186470930SIngo Molnar /* 286470930SIngo Molnar * builtin-top.c 386470930SIngo Molnar * 486470930SIngo Molnar * Builtin top command: Display a continuously updated profile of 586470930SIngo Molnar * any workload, CPU or specific PID. 686470930SIngo Molnar * 786470930SIngo Molnar * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com> 8ab81f3fdSArnaldo Carvalho de Melo * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> 986470930SIngo Molnar * 1086470930SIngo Molnar * Improvements and fixes by: 1186470930SIngo Molnar * 1286470930SIngo Molnar * Arjan van de Ven <arjan@linux.intel.com> 1386470930SIngo Molnar * Yanmin Zhang <yanmin.zhang@intel.com> 1486470930SIngo Molnar * Wu Fengguang <fengguang.wu@intel.com> 1586470930SIngo Molnar * Mike Galbraith <efault@gmx.de> 1686470930SIngo Molnar * Paul Mackerras <paulus@samba.org> 1786470930SIngo Molnar * 1886470930SIngo Molnar * Released under the GPL v2. (and only v2, not any later version) 1986470930SIngo Molnar */ 2086470930SIngo Molnar #include "builtin.h" 2186470930SIngo Molnar 2286470930SIngo Molnar #include "perf.h" 2386470930SIngo Molnar 2436532461SArnaldo Carvalho de Melo #include "util/annotate.h" 25c0443df1SArnaldo Carvalho de Melo #include "util/cache.h" 2686470930SIngo Molnar #include "util/color.h" 27361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 2869aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 29b3165f41SArnaldo Carvalho de Melo #include "util/session.h" 30b3165f41SArnaldo Carvalho de Melo #include "util/symbol.h" 31439d473bSArnaldo Carvalho de Melo #include "util/thread.h" 32fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 338c3e10ebSArnaldo Carvalho de Melo #include "util/top.h" 3486470930SIngo Molnar #include "util/util.h" 3543cbcd8aSArnaldo Carvalho de Melo #include <linux/rbtree.h> 3686470930SIngo Molnar #include "util/parse-options.h" 3786470930SIngo Molnar #include "util/parse-events.h" 38a12b51c4SPaul Mackerras #include "util/cpumap.h" 3969aad6f1SArnaldo Carvalho de Melo #include "util/xyarray.h" 40ab81f3fdSArnaldo Carvalho de Melo #include "util/sort.h" 416b118e92SDavid Ahern #include "util/intlist.h" 4286470930SIngo Molnar 438f28827aSFrederic Weisbecker #include "util/debug.h" 448f28827aSFrederic Weisbecker 4586470930SIngo Molnar #include <assert.h> 4631d68e7bSArnaldo Carvalho de Melo #include <elf.h> 4786470930SIngo Molnar #include <fcntl.h> 4886470930SIngo Molnar 4986470930SIngo Molnar #include <stdio.h> 50923c42c1SMike Galbraith #include <termios.h> 51923c42c1SMike Galbraith #include <unistd.h> 529486aa38SArnaldo Carvalho de Melo #include <inttypes.h> 5386470930SIngo Molnar 5486470930SIngo Molnar #include <errno.h> 5586470930SIngo Molnar #include <time.h> 5686470930SIngo Molnar #include <sched.h> 5786470930SIngo Molnar 5886470930SIngo Molnar #include <sys/syscall.h> 5986470930SIngo Molnar #include <sys/ioctl.h> 6086470930SIngo Molnar #include <sys/poll.h> 6186470930SIngo Molnar #include <sys/prctl.h> 6286470930SIngo Molnar #include <sys/wait.h> 6386470930SIngo Molnar #include <sys/uio.h> 6431d68e7bSArnaldo Carvalho de Melo #include <sys/utsname.h> 6586470930SIngo Molnar #include <sys/mman.h> 6686470930SIngo Molnar 6786470930SIngo Molnar #include <linux/unistd.h> 6886470930SIngo Molnar #include <linux/types.h> 6986470930SIngo Molnar 70895f0edcSArnaldo Carvalho de Melo void get_term_dimensions(struct winsize *ws) 713b6ed988SArnaldo Carvalho de Melo { 7213cc5079SArnaldo Carvalho de Melo char *s = getenv("LINES"); 733b6ed988SArnaldo Carvalho de Melo 7413cc5079SArnaldo Carvalho de Melo if (s != NULL) { 7513cc5079SArnaldo Carvalho de Melo ws->ws_row = atoi(s); 7613cc5079SArnaldo Carvalho de Melo s = getenv("COLUMNS"); 7713cc5079SArnaldo Carvalho de Melo if (s != NULL) { 7813cc5079SArnaldo Carvalho de Melo ws->ws_col = atoi(s); 7913cc5079SArnaldo Carvalho de Melo if (ws->ws_row && ws->ws_col) 8013cc5079SArnaldo Carvalho de Melo return; 8113cc5079SArnaldo Carvalho de Melo } 8213cc5079SArnaldo Carvalho de Melo } 833b6ed988SArnaldo Carvalho de Melo #ifdef TIOCGWINSZ 8413cc5079SArnaldo Carvalho de Melo if (ioctl(1, TIOCGWINSZ, ws) == 0 && 8513cc5079SArnaldo Carvalho de Melo ws->ws_row && ws->ws_col) 8613cc5079SArnaldo Carvalho de Melo return; 873b6ed988SArnaldo Carvalho de Melo #endif 8813cc5079SArnaldo Carvalho de Melo ws->ws_row = 25; 8913cc5079SArnaldo Carvalho de Melo ws->ws_col = 80; 903b6ed988SArnaldo Carvalho de Melo } 913b6ed988SArnaldo Carvalho de Melo 921758af10SArnaldo Carvalho de Melo static void perf_top__update_print_entries(struct perf_top *top) 933b6ed988SArnaldo Carvalho de Melo { 941758af10SArnaldo Carvalho de Melo if (top->print_entries > 9) 951758af10SArnaldo Carvalho de Melo top->print_entries -= 9; 963b6ed988SArnaldo Carvalho de Melo } 973b6ed988SArnaldo Carvalho de Melo 981d037ca1SIrina Tirdea static void perf_top__sig_winch(int sig __maybe_unused, 991d037ca1SIrina Tirdea siginfo_t *info __maybe_unused, void *arg) 1003b6ed988SArnaldo Carvalho de Melo { 1011758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 1021758af10SArnaldo Carvalho de Melo 1031758af10SArnaldo Carvalho de Melo get_term_dimensions(&top->winsize); 104509605dbSStephane Eranian if (!top->print_entries 105509605dbSStephane Eranian || (top->print_entries+4) > top->winsize.ws_row) { 106509605dbSStephane Eranian top->print_entries = top->winsize.ws_row; 107509605dbSStephane Eranian } else { 108509605dbSStephane Eranian top->print_entries += 4; 109509605dbSStephane Eranian top->winsize.ws_row = top->print_entries; 110509605dbSStephane Eranian } 1111758af10SArnaldo Carvalho de Melo perf_top__update_print_entries(top); 1123b6ed988SArnaldo Carvalho de Melo } 1133b6ed988SArnaldo Carvalho de Melo 1141758af10SArnaldo Carvalho de Melo static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) 115923c42c1SMike Galbraith { 116923c42c1SMike Galbraith struct symbol *sym; 117ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 118439d473bSArnaldo Carvalho de Melo struct map *map; 11936532461SArnaldo Carvalho de Melo int err = -1; 120923c42c1SMike Galbraith 121ab81f3fdSArnaldo Carvalho de Melo if (!he || !he->ms.sym) 122b0a9ab62SArnaldo Carvalho de Melo return -1; 123b0a9ab62SArnaldo Carvalho de Melo 124ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 125ab81f3fdSArnaldo Carvalho de Melo map = he->ms.map; 126b0a9ab62SArnaldo Carvalho de Melo 127b0a9ab62SArnaldo Carvalho de Melo /* 128b0a9ab62SArnaldo Carvalho de Melo * We can't annotate with just /proc/kallsyms 129b0a9ab62SArnaldo Carvalho de Melo */ 13044f24cb3SJiri Olsa if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { 131ce6f4fabSArnaldo Carvalho de Melo pr_err("Can't annotate %s: No vmlinux file was found in the " 132ce6f4fabSArnaldo Carvalho de Melo "path\n", sym->name); 133ce6f4fabSArnaldo Carvalho de Melo sleep(1); 134b0a9ab62SArnaldo Carvalho de Melo return -1; 135b269876cSArnaldo Carvalho de Melo } 136b269876cSArnaldo Carvalho de Melo 137ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 138ce6f4fabSArnaldo Carvalho de Melo if (notes->src != NULL) { 139ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 140923c42c1SMike Galbraith goto out_assign; 141923c42c1SMike Galbraith } 142923c42c1SMike Galbraith 143ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 144923c42c1SMike Galbraith 145d04b35f8SArnaldo Carvalho de Melo if (symbol__alloc_hist(sym) < 0) { 146c97cf422SArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 14736532461SArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 14836532461SArnaldo Carvalho de Melo sym->name); 149ce6f4fabSArnaldo Carvalho de Melo sleep(1); 150c97cf422SArnaldo Carvalho de Melo return err; 151923c42c1SMike Galbraith } 15236532461SArnaldo Carvalho de Melo 153ab81f3fdSArnaldo Carvalho de Melo err = symbol__annotate(sym, map, 0); 15436532461SArnaldo Carvalho de Melo if (err == 0) { 155923c42c1SMike Galbraith out_assign: 1561758af10SArnaldo Carvalho de Melo top->sym_filter_entry = he; 15736532461SArnaldo Carvalho de Melo } 158c97cf422SArnaldo Carvalho de Melo 159ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 16036532461SArnaldo Carvalho de Melo return err; 161923c42c1SMike Galbraith } 162923c42c1SMike Galbraith 163ab81f3fdSArnaldo Carvalho de Melo static void __zero_source_counters(struct hist_entry *he) 164923c42c1SMike Galbraith { 165ab81f3fdSArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 16636532461SArnaldo Carvalho de Melo symbol__annotate_zero_histograms(sym); 167923c42c1SMike Galbraith } 168923c42c1SMike Galbraith 16931d68e7bSArnaldo Carvalho de Melo static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) 17031d68e7bSArnaldo Carvalho de Melo { 17131d68e7bSArnaldo Carvalho de Melo struct utsname uts; 17231d68e7bSArnaldo Carvalho de Melo int err = uname(&uts); 17331d68e7bSArnaldo Carvalho de Melo 17431d68e7bSArnaldo Carvalho de Melo ui__warning("Out of bounds address found:\n\n" 17531d68e7bSArnaldo Carvalho de Melo "Addr: %" PRIx64 "\n" 17631d68e7bSArnaldo Carvalho de Melo "DSO: %s %c\n" 17731d68e7bSArnaldo Carvalho de Melo "Map: %" PRIx64 "-%" PRIx64 "\n" 17831d68e7bSArnaldo Carvalho de Melo "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" 17931d68e7bSArnaldo Carvalho de Melo "Arch: %s\n" 18031d68e7bSArnaldo Carvalho de Melo "Kernel: %s\n" 18131d68e7bSArnaldo Carvalho de Melo "Tools: %s\n\n" 18231d68e7bSArnaldo Carvalho de Melo "Not all samples will be on the annotation output.\n\n" 18331d68e7bSArnaldo Carvalho de Melo "Please report to linux-kernel@vger.kernel.org\n", 18431d68e7bSArnaldo Carvalho de Melo ip, map->dso->long_name, dso__symtab_origin(map->dso), 18531d68e7bSArnaldo Carvalho de Melo map->start, map->end, sym->start, sym->end, 18631d68e7bSArnaldo Carvalho de Melo sym->binding == STB_GLOBAL ? 'g' : 18731d68e7bSArnaldo Carvalho de Melo sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, 18831d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.machine, 18931d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.release, perf_version_string); 19031d68e7bSArnaldo Carvalho de Melo if (use_browser <= 0) 19131d68e7bSArnaldo Carvalho de Melo sleep(5); 19231d68e7bSArnaldo Carvalho de Melo 19331d68e7bSArnaldo Carvalho de Melo map->erange_warned = true; 19431d68e7bSArnaldo Carvalho de Melo } 19531d68e7bSArnaldo Carvalho de Melo 1961758af10SArnaldo Carvalho de Melo static void perf_top__record_precise_ip(struct perf_top *top, 1971758af10SArnaldo Carvalho de Melo struct hist_entry *he, 1981758af10SArnaldo Carvalho de Melo int counter, u64 ip) 199923c42c1SMike Galbraith { 200ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 201ce6f4fabSArnaldo Carvalho de Melo struct symbol *sym; 20231d68e7bSArnaldo Carvalho de Melo int err; 203ce6f4fabSArnaldo Carvalho de Melo 204ab81f3fdSArnaldo Carvalho de Melo if (he == NULL || he->ms.sym == NULL || 2051758af10SArnaldo Carvalho de Melo ((top->sym_filter_entry == NULL || 2061758af10SArnaldo Carvalho de Melo top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) 207923c42c1SMike Galbraith return; 208923c42c1SMike Galbraith 209ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 210ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 211ce6f4fabSArnaldo Carvalho de Melo 212ce6f4fabSArnaldo Carvalho de Melo if (pthread_mutex_trylock(¬es->lock)) 213923c42c1SMike Galbraith return; 214923c42c1SMike Galbraith 215d04b35f8SArnaldo Carvalho de Melo if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { 216ab81f3fdSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 217ab81f3fdSArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 218ab81f3fdSArnaldo Carvalho de Melo sym->name); 219ab81f3fdSArnaldo Carvalho de Melo sleep(1); 220ab81f3fdSArnaldo Carvalho de Melo return; 221ab81f3fdSArnaldo Carvalho de Melo } 222ab81f3fdSArnaldo Carvalho de Melo 223ab81f3fdSArnaldo Carvalho de Melo ip = he->ms.map->map_ip(he->ms.map, ip); 22431d68e7bSArnaldo Carvalho de Melo err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); 225923c42c1SMike Galbraith 226ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 22731d68e7bSArnaldo Carvalho de Melo 22831d68e7bSArnaldo Carvalho de Melo if (err == -ERANGE && !he->ms.map->erange_warned) 22931d68e7bSArnaldo Carvalho de Melo ui__warn_map_erange(he->ms.map, sym, ip); 230923c42c1SMike Galbraith } 231923c42c1SMike Galbraith 2321758af10SArnaldo Carvalho de Melo static void perf_top__show_details(struct perf_top *top) 233923c42c1SMike Galbraith { 2341758af10SArnaldo Carvalho de Melo struct hist_entry *he = top->sym_filter_entry; 235ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 236923c42c1SMike Galbraith struct symbol *symbol; 23736532461SArnaldo Carvalho de Melo int more; 238923c42c1SMike Galbraith 239ab81f3fdSArnaldo Carvalho de Melo if (!he) 240923c42c1SMike Galbraith return; 241923c42c1SMike Galbraith 242ab81f3fdSArnaldo Carvalho de Melo symbol = he->ms.sym; 243ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(symbol); 244ce6f4fabSArnaldo Carvalho de Melo 245ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 246ce6f4fabSArnaldo Carvalho de Melo 247ce6f4fabSArnaldo Carvalho de Melo if (notes->src == NULL) 248ce6f4fabSArnaldo Carvalho de Melo goto out_unlock; 249923c42c1SMike Galbraith 2507289f83cSArnaldo Carvalho de Melo printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); 2511758af10SArnaldo Carvalho de Melo printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); 252923c42c1SMike Galbraith 2531758af10SArnaldo Carvalho de Melo more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, 2541758af10SArnaldo Carvalho de Melo 0, top->sym_pcnt_filter, top->print_entries, 4); 2551758af10SArnaldo Carvalho de Melo if (top->zero) 2561758af10SArnaldo Carvalho de Melo symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); 25736532461SArnaldo Carvalho de Melo else 2581758af10SArnaldo Carvalho de Melo symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); 25936532461SArnaldo Carvalho de Melo if (more != 0) 260923c42c1SMike Galbraith printf("%d lines not displayed, maybe increase display entries [e]\n", more); 261ce6f4fabSArnaldo Carvalho de Melo out_unlock: 262ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 263923c42c1SMike Galbraith } 26486470930SIngo Molnar 26586470930SIngo Molnar static const char CONSOLE_CLEAR[] = "[H[2J"; 26686470930SIngo Molnar 267743eb868SArnaldo Carvalho de Melo static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, 268ab81f3fdSArnaldo Carvalho de Melo struct addr_location *al, 269743eb868SArnaldo Carvalho de Melo struct perf_sample *sample) 27086470930SIngo Molnar { 271ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 272ab81f3fdSArnaldo Carvalho de Melo 273ab81f3fdSArnaldo Carvalho de Melo he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); 274ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) 275ab81f3fdSArnaldo Carvalho de Melo return NULL; 276ab81f3fdSArnaldo Carvalho de Melo 277ab81f3fdSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 278ab81f3fdSArnaldo Carvalho de Melo return he; 27986470930SIngo Molnar } 28086470930SIngo Molnar 2811758af10SArnaldo Carvalho de Melo static void perf_top__print_sym_table(struct perf_top *top) 28286470930SIngo Molnar { 2838c3e10ebSArnaldo Carvalho de Melo char bf[160]; 2848c3e10ebSArnaldo Carvalho de Melo int printed = 0; 2851758af10SArnaldo Carvalho de Melo const int win_width = top->winsize.ws_col - 1; 28686470930SIngo Molnar 28786470930SIngo Molnar puts(CONSOLE_CLEAR); 28886470930SIngo Molnar 2891758af10SArnaldo Carvalho de Melo perf_top__header_snprintf(top, bf, sizeof(bf)); 2908c3e10ebSArnaldo Carvalho de Melo printf("%s\n", bf); 29186470930SIngo Molnar 2921758af10SArnaldo Carvalho de Melo perf_top__reset_sample_counters(top); 29386470930SIngo Molnar 2941a105f74SArnaldo Carvalho de Melo printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 29586470930SIngo Molnar 2961758af10SArnaldo Carvalho de Melo if (top->sym_evsel->hists.stats.nr_lost_warned != 2971758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { 2981758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned = 2991758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; 3007b27509fSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_RED, 3017b27509fSArnaldo Carvalho de Melo "WARNING: LOST %d chunks, Check IO/CPU overload", 3021758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned); 303ab81f3fdSArnaldo Carvalho de Melo ++printed; 30493fc64f1SArnaldo Carvalho de Melo } 30593fc64f1SArnaldo Carvalho de Melo 3061758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 3071758af10SArnaldo Carvalho de Melo perf_top__show_details(top); 308923c42c1SMike Galbraith return; 309923c42c1SMike Galbraith } 310923c42c1SMike Galbraith 3111758af10SArnaldo Carvalho de Melo hists__collapse_resort_threaded(&top->sym_evsel->hists); 3121758af10SArnaldo Carvalho de Melo hists__output_resort_threaded(&top->sym_evsel->hists); 3131758af10SArnaldo Carvalho de Melo hists__decay_entries_threaded(&top->sym_evsel->hists, 3141758af10SArnaldo Carvalho de Melo top->hide_user_symbols, 3151758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols); 3161758af10SArnaldo Carvalho de Melo hists__output_recalc_col_len(&top->sym_evsel->hists, 3171758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 3); 3181a105f74SArnaldo Carvalho de Melo putchar('\n'); 31941724e4cSJiri Olsa hists__fprintf(&top->sym_evsel->hists, false, 3201758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 4 - printed, win_width, stdout); 32186470930SIngo Molnar } 32286470930SIngo Molnar 323923c42c1SMike Galbraith static void prompt_integer(int *target, const char *msg) 324923c42c1SMike Galbraith { 325923c42c1SMike Galbraith char *buf = malloc(0), *p; 326923c42c1SMike Galbraith size_t dummy = 0; 327923c42c1SMike Galbraith int tmp; 328923c42c1SMike Galbraith 329923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 330923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 331923c42c1SMike Galbraith return; 332923c42c1SMike Galbraith 333923c42c1SMike Galbraith p = strchr(buf, '\n'); 334923c42c1SMike Galbraith if (p) 335923c42c1SMike Galbraith *p = 0; 336923c42c1SMike Galbraith 337923c42c1SMike Galbraith p = buf; 338923c42c1SMike Galbraith while(*p) { 339923c42c1SMike Galbraith if (!isdigit(*p)) 340923c42c1SMike Galbraith goto out_free; 341923c42c1SMike Galbraith p++; 342923c42c1SMike Galbraith } 343923c42c1SMike Galbraith tmp = strtoul(buf, NULL, 10); 344923c42c1SMike Galbraith *target = tmp; 345923c42c1SMike Galbraith out_free: 346923c42c1SMike Galbraith free(buf); 347923c42c1SMike Galbraith } 348923c42c1SMike Galbraith 349923c42c1SMike Galbraith static void prompt_percent(int *target, const char *msg) 350923c42c1SMike Galbraith { 351923c42c1SMike Galbraith int tmp = 0; 352923c42c1SMike Galbraith 353923c42c1SMike Galbraith prompt_integer(&tmp, msg); 354923c42c1SMike Galbraith if (tmp >= 0 && tmp <= 100) 355923c42c1SMike Galbraith *target = tmp; 356923c42c1SMike Galbraith } 357923c42c1SMike Galbraith 3581758af10SArnaldo Carvalho de Melo static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) 359923c42c1SMike Galbraith { 360923c42c1SMike Galbraith char *buf = malloc(0), *p; 3611758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; 362ab81f3fdSArnaldo Carvalho de Melo struct rb_node *next; 363923c42c1SMike Galbraith size_t dummy = 0; 364923c42c1SMike Galbraith 365923c42c1SMike Galbraith /* zero counters of active symbol */ 366923c42c1SMike Galbraith if (syme) { 367923c42c1SMike Galbraith __zero_source_counters(syme); 3681758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 369923c42c1SMike Galbraith } 370923c42c1SMike Galbraith 371923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 372923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 373923c42c1SMike Galbraith goto out_free; 374923c42c1SMike Galbraith 375923c42c1SMike Galbraith p = strchr(buf, '\n'); 376923c42c1SMike Galbraith if (p) 377923c42c1SMike Galbraith *p = 0; 378923c42c1SMike Galbraith 3791758af10SArnaldo Carvalho de Melo next = rb_first(&top->sym_evsel->hists.entries); 380ab81f3fdSArnaldo Carvalho de Melo while (next) { 381ab81f3fdSArnaldo Carvalho de Melo n = rb_entry(next, struct hist_entry, rb_node); 382ab81f3fdSArnaldo Carvalho de Melo if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { 383ab81f3fdSArnaldo Carvalho de Melo found = n; 384923c42c1SMike Galbraith break; 385923c42c1SMike Galbraith } 386ab81f3fdSArnaldo Carvalho de Melo next = rb_next(&n->rb_node); 387923c42c1SMike Galbraith } 388923c42c1SMike Galbraith 389923c42c1SMike Galbraith if (!found) { 39066aeb6d5SKirill Smelkov fprintf(stderr, "Sorry, %s is not active.\n", buf); 391923c42c1SMike Galbraith sleep(1); 392923c42c1SMike Galbraith } else 3931758af10SArnaldo Carvalho de Melo perf_top__parse_source(top, found); 394923c42c1SMike Galbraith 395923c42c1SMike Galbraith out_free: 396923c42c1SMike Galbraith free(buf); 397923c42c1SMike Galbraith } 398923c42c1SMike Galbraith 3991758af10SArnaldo Carvalho de Melo static void perf_top__print_mapped_keys(struct perf_top *top) 400923c42c1SMike Galbraith { 401091bd2e9SMike Galbraith char *name = NULL; 402091bd2e9SMike Galbraith 4031758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 4041758af10SArnaldo Carvalho de Melo struct symbol *sym = top->sym_filter_entry->ms.sym; 405091bd2e9SMike Galbraith name = sym->name; 406091bd2e9SMike Galbraith } 407091bd2e9SMike Galbraith 408091bd2e9SMike Galbraith fprintf(stdout, "\nMapped keys:\n"); 4091758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); 4101758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); 411091bd2e9SMike Galbraith 4121758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) 4137289f83cSArnaldo Carvalho de Melo fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); 414091bd2e9SMike Galbraith 4151758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); 416091bd2e9SMike Galbraith 4171758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); 418091bd2e9SMike Galbraith fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); 419091bd2e9SMike Galbraith fprintf(stdout, "\t[S] stop annotation.\n"); 420091bd2e9SMike Galbraith 4218ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4228ffcda17SArnaldo Carvalho de Melo "\t[K] hide kernel_symbols symbols. \t(%s)\n", 4231758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols ? "yes" : "no"); 4248ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4258ffcda17SArnaldo Carvalho de Melo "\t[U] hide user symbols. \t(%s)\n", 4261758af10SArnaldo Carvalho de Melo top->hide_user_symbols ? "yes" : "no"); 4271758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); 428091bd2e9SMike Galbraith fprintf(stdout, "\t[qQ] quit.\n"); 429091bd2e9SMike Galbraith } 430091bd2e9SMike Galbraith 4311758af10SArnaldo Carvalho de Melo static int perf_top__key_mapped(struct perf_top *top, int c) 432091bd2e9SMike Galbraith { 433091bd2e9SMike Galbraith switch (c) { 434091bd2e9SMike Galbraith case 'd': 435091bd2e9SMike Galbraith case 'e': 436091bd2e9SMike Galbraith case 'f': 437091bd2e9SMike Galbraith case 'z': 438091bd2e9SMike Galbraith case 'q': 439091bd2e9SMike Galbraith case 'Q': 4408ffcda17SArnaldo Carvalho de Melo case 'K': 4418ffcda17SArnaldo Carvalho de Melo case 'U': 4426cff0e8dSKirill Smelkov case 'F': 4436cff0e8dSKirill Smelkov case 's': 4446cff0e8dSKirill Smelkov case 'S': 445091bd2e9SMike Galbraith return 1; 446091bd2e9SMike Galbraith case 'E': 4471758af10SArnaldo Carvalho de Melo return top->evlist->nr_entries > 1 ? 1 : 0; 44883a0944fSIngo Molnar default: 44983a0944fSIngo Molnar break; 450091bd2e9SMike Galbraith } 451091bd2e9SMike Galbraith 452091bd2e9SMike Galbraith return 0; 453923c42c1SMike Galbraith } 454923c42c1SMike Galbraith 4551758af10SArnaldo Carvalho de Melo static void perf_top__handle_keypress(struct perf_top *top, int c) 456923c42c1SMike Galbraith { 4571758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) { 458091bd2e9SMike Galbraith struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 459091bd2e9SMike Galbraith struct termios tc, save; 460091bd2e9SMike Galbraith 4611758af10SArnaldo Carvalho de Melo perf_top__print_mapped_keys(top); 462091bd2e9SMike Galbraith fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); 463091bd2e9SMike Galbraith fflush(stdout); 464091bd2e9SMike Galbraith 465091bd2e9SMike Galbraith tcgetattr(0, &save); 466091bd2e9SMike Galbraith tc = save; 467091bd2e9SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 468091bd2e9SMike Galbraith tc.c_cc[VMIN] = 0; 469091bd2e9SMike Galbraith tc.c_cc[VTIME] = 0; 470091bd2e9SMike Galbraith tcsetattr(0, TCSANOW, &tc); 471091bd2e9SMike Galbraith 472091bd2e9SMike Galbraith poll(&stdin_poll, 1, -1); 473091bd2e9SMike Galbraith c = getc(stdin); 474091bd2e9SMike Galbraith 475091bd2e9SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 4761758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) 477091bd2e9SMike Galbraith return; 478091bd2e9SMike Galbraith } 479091bd2e9SMike Galbraith 480923c42c1SMike Galbraith switch (c) { 481923c42c1SMike Galbraith case 'd': 4821758af10SArnaldo Carvalho de Melo prompt_integer(&top->delay_secs, "Enter display delay"); 4831758af10SArnaldo Carvalho de Melo if (top->delay_secs < 1) 4841758af10SArnaldo Carvalho de Melo top->delay_secs = 1; 485923c42c1SMike Galbraith break; 486923c42c1SMike Galbraith case 'e': 4871758af10SArnaldo Carvalho de Melo prompt_integer(&top->print_entries, "Enter display entries (lines)"); 4881758af10SArnaldo Carvalho de Melo if (top->print_entries == 0) { 4891758af10SArnaldo Carvalho de Melo struct sigaction act = { 4901758af10SArnaldo Carvalho de Melo .sa_sigaction = perf_top__sig_winch, 4911758af10SArnaldo Carvalho de Melo .sa_flags = SA_SIGINFO, 4921758af10SArnaldo Carvalho de Melo }; 4931758af10SArnaldo Carvalho de Melo perf_top__sig_winch(SIGWINCH, NULL, top); 4941758af10SArnaldo Carvalho de Melo sigaction(SIGWINCH, &act, NULL); 495509605dbSStephane Eranian } else { 496509605dbSStephane Eranian perf_top__sig_winch(SIGWINCH, NULL, top); 4973b6ed988SArnaldo Carvalho de Melo signal(SIGWINCH, SIG_DFL); 498509605dbSStephane Eranian } 499923c42c1SMike Galbraith break; 500923c42c1SMike Galbraith case 'E': 5011758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) { 502ce2d17caSAkihiro Nagai /* Select 0 as the default event: */ 503ce2d17caSAkihiro Nagai int counter = 0; 504ce2d17caSAkihiro Nagai 505923c42c1SMike Galbraith fprintf(stderr, "\nAvailable events:"); 50669aad6f1SArnaldo Carvalho de Melo 5071758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 5087289f83cSArnaldo Carvalho de Melo fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); 509923c42c1SMike Galbraith 510ec52d976SArnaldo Carvalho de Melo prompt_integer(&counter, "Enter details event counter"); 511923c42c1SMike Galbraith 5121758af10SArnaldo Carvalho de Melo if (counter >= top->evlist->nr_entries) { 5130c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 5147289f83cSArnaldo Carvalho de Melo fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); 515923c42c1SMike Galbraith sleep(1); 51669aad6f1SArnaldo Carvalho de Melo break; 517923c42c1SMike Galbraith } 5181758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 5191758af10SArnaldo Carvalho de Melo if (top->sym_evsel->idx == counter) 52069aad6f1SArnaldo Carvalho de Melo break; 521ec52d976SArnaldo Carvalho de Melo } else 5220c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 523923c42c1SMike Galbraith break; 524923c42c1SMike Galbraith case 'f': 5251758af10SArnaldo Carvalho de Melo prompt_integer(&top->count_filter, "Enter display event count filter"); 526923c42c1SMike Galbraith break; 527923c42c1SMike Galbraith case 'F': 5281758af10SArnaldo Carvalho de Melo prompt_percent(&top->sym_pcnt_filter, 5291758af10SArnaldo Carvalho de Melo "Enter details display event filter (percent)"); 530923c42c1SMike Galbraith break; 5318ffcda17SArnaldo Carvalho de Melo case 'K': 5321758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols = !top->hide_kernel_symbols; 5338ffcda17SArnaldo Carvalho de Melo break; 534923c42c1SMike Galbraith case 'q': 535923c42c1SMike Galbraith case 'Q': 536923c42c1SMike Galbraith printf("exiting.\n"); 5371758af10SArnaldo Carvalho de Melo if (top->dump_symtab) 5381758af10SArnaldo Carvalho de Melo perf_session__fprintf_dsos(top->session, stderr); 539923c42c1SMike Galbraith exit(0); 540923c42c1SMike Galbraith case 's': 5411758af10SArnaldo Carvalho de Melo perf_top__prompt_symbol(top, "Enter details symbol"); 542923c42c1SMike Galbraith break; 543923c42c1SMike Galbraith case 'S': 5441758af10SArnaldo Carvalho de Melo if (!top->sym_filter_entry) 545923c42c1SMike Galbraith break; 546923c42c1SMike Galbraith else { 5471758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry; 548923c42c1SMike Galbraith 5491758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 550923c42c1SMike Galbraith __zero_source_counters(syme); 551923c42c1SMike Galbraith } 552923c42c1SMike Galbraith break; 5538ffcda17SArnaldo Carvalho de Melo case 'U': 5541758af10SArnaldo Carvalho de Melo top->hide_user_symbols = !top->hide_user_symbols; 5558ffcda17SArnaldo Carvalho de Melo break; 556923c42c1SMike Galbraith case 'z': 5571758af10SArnaldo Carvalho de Melo top->zero = !top->zero; 558923c42c1SMike Galbraith break; 55983a0944fSIngo Molnar default: 56083a0944fSIngo Molnar break; 561923c42c1SMike Galbraith } 562923c42c1SMike Galbraith } 563923c42c1SMike Galbraith 564ab81f3fdSArnaldo Carvalho de Melo static void perf_top__sort_new_samples(void *arg) 565ab81f3fdSArnaldo Carvalho de Melo { 566ab81f3fdSArnaldo Carvalho de Melo struct perf_top *t = arg; 567ab81f3fdSArnaldo Carvalho de Melo perf_top__reset_sample_counters(t); 568ab81f3fdSArnaldo Carvalho de Melo 569ab81f3fdSArnaldo Carvalho de Melo if (t->evlist->selected != NULL) 570ab81f3fdSArnaldo Carvalho de Melo t->sym_evsel = t->evlist->selected; 571ab81f3fdSArnaldo Carvalho de Melo 572ab81f3fdSArnaldo Carvalho de Melo hists__collapse_resort_threaded(&t->sym_evsel->hists); 573ab81f3fdSArnaldo Carvalho de Melo hists__output_resort_threaded(&t->sym_evsel->hists); 574b079d4e9SArnaldo Carvalho de Melo hists__decay_entries_threaded(&t->sym_evsel->hists, 5751758af10SArnaldo Carvalho de Melo t->hide_user_symbols, 5761758af10SArnaldo Carvalho de Melo t->hide_kernel_symbols); 577ab81f3fdSArnaldo Carvalho de Melo } 578ab81f3fdSArnaldo Carvalho de Melo 5791758af10SArnaldo Carvalho de Melo static void *display_thread_tui(void *arg) 580c0443df1SArnaldo Carvalho de Melo { 5810d37aa34SArnaldo Carvalho de Melo struct perf_evsel *pos; 5821758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 583ab81f3fdSArnaldo Carvalho de Melo const char *help = "For a higher level overview, try: perf top --sort comm,dso"; 584ab81f3fdSArnaldo Carvalho de Melo 5851758af10SArnaldo Carvalho de Melo perf_top__sort_new_samples(top); 5860d37aa34SArnaldo Carvalho de Melo 5870d37aa34SArnaldo Carvalho de Melo /* 5880d37aa34SArnaldo Carvalho de Melo * Initialize the uid_filter_str, in the future the TUI will allow 5890d37aa34SArnaldo Carvalho de Melo * Zooming in/out UIDs. For now juse use whatever the user passed 5900d37aa34SArnaldo Carvalho de Melo * via --uid. 5910d37aa34SArnaldo Carvalho de Melo */ 5920d37aa34SArnaldo Carvalho de Melo list_for_each_entry(pos, &top->evlist->entries, node) 593fe9d18a7SNamhyung Kim pos->hists.uid_filter_str = top->target.uid_str; 5940d37aa34SArnaldo Carvalho de Melo 5951758af10SArnaldo Carvalho de Melo perf_evlist__tui_browse_hists(top->evlist, help, 596ab81f3fdSArnaldo Carvalho de Melo perf_top__sort_new_samples, 5971758af10SArnaldo Carvalho de Melo top, top->delay_secs); 598ab81f3fdSArnaldo Carvalho de Melo 599c0443df1SArnaldo Carvalho de Melo exit_browser(0); 600c0443df1SArnaldo Carvalho de Melo exit(0); 601c0443df1SArnaldo Carvalho de Melo return NULL; 602c0443df1SArnaldo Carvalho de Melo } 603c0443df1SArnaldo Carvalho de Melo 6041758af10SArnaldo Carvalho de Melo static void *display_thread(void *arg) 60586470930SIngo Molnar { 60686470930SIngo Molnar struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 607923c42c1SMike Galbraith struct termios tc, save; 6081758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 609923c42c1SMike Galbraith int delay_msecs, c; 61086470930SIngo Molnar 611923c42c1SMike Galbraith tcgetattr(0, &save); 612923c42c1SMike Galbraith tc = save; 613923c42c1SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 614923c42c1SMike Galbraith tc.c_cc[VMIN] = 0; 615923c42c1SMike Galbraith tc.c_cc[VTIME] = 0; 616091bd2e9SMike Galbraith 6173af6e338SArnaldo Carvalho de Melo pthread__unblock_sigwinch(); 618923c42c1SMike Galbraith repeat: 6191758af10SArnaldo Carvalho de Melo delay_msecs = top->delay_secs * 1000; 620923c42c1SMike Galbraith tcsetattr(0, TCSANOW, &tc); 621923c42c1SMike Galbraith /* trash return*/ 622923c42c1SMike Galbraith getc(stdin); 62386470930SIngo Molnar 6243af6e338SArnaldo Carvalho de Melo while (1) { 6251758af10SArnaldo Carvalho de Melo perf_top__print_sym_table(top); 6263af6e338SArnaldo Carvalho de Melo /* 6273af6e338SArnaldo Carvalho de Melo * Either timeout expired or we got an EINTR due to SIGWINCH, 6283af6e338SArnaldo Carvalho de Melo * refresh screen in both cases. 6293af6e338SArnaldo Carvalho de Melo */ 6303af6e338SArnaldo Carvalho de Melo switch (poll(&stdin_poll, 1, delay_msecs)) { 6313af6e338SArnaldo Carvalho de Melo case 0: 6323af6e338SArnaldo Carvalho de Melo continue; 6333af6e338SArnaldo Carvalho de Melo case -1: 6343af6e338SArnaldo Carvalho de Melo if (errno == EINTR) 6353af6e338SArnaldo Carvalho de Melo continue; 6363af6e338SArnaldo Carvalho de Melo /* Fall trhu */ 6373af6e338SArnaldo Carvalho de Melo default: 6383af6e338SArnaldo Carvalho de Melo goto process_hotkey; 6393af6e338SArnaldo Carvalho de Melo } 6403af6e338SArnaldo Carvalho de Melo } 6413af6e338SArnaldo Carvalho de Melo process_hotkey: 642923c42c1SMike Galbraith c = getc(stdin); 643923c42c1SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 644923c42c1SMike Galbraith 6451758af10SArnaldo Carvalho de Melo perf_top__handle_keypress(top, c); 646923c42c1SMike Galbraith goto repeat; 64786470930SIngo Molnar 64886470930SIngo Molnar return NULL; 64986470930SIngo Molnar } 65086470930SIngo Molnar 6512ab52083SAnton Blanchard /* Tag samples to be skipped. */ 652f37a291cSIngo Molnar static const char *skip_symbols[] = { 6534bea8b5cSArnaldo Carvalho de Melo "intel_idle", 6542ab52083SAnton Blanchard "default_idle", 655b0e8572fSArnaldo Carvalho de Melo "native_safe_halt", 6562ab52083SAnton Blanchard "cpu_idle", 6572ab52083SAnton Blanchard "enter_idle", 6582ab52083SAnton Blanchard "exit_idle", 6592ab52083SAnton Blanchard "mwait_idle", 66059b90056SArnaldo Carvalho de Melo "mwait_idle_with_hints", 6618357275bSArnaldo Carvalho de Melo "poll_idle", 6623a3393efSAnton Blanchard "ppc64_runlatch_off", 6633a3393efSAnton Blanchard "pseries_dedicated_idle_sleep", 6642ab52083SAnton Blanchard NULL 6652ab52083SAnton Blanchard }; 6662ab52083SAnton Blanchard 6671d037ca1SIrina Tirdea static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) 66886470930SIngo Molnar { 66986470930SIngo Molnar const char *name = sym->name; 6702ab52083SAnton Blanchard int i; 67186470930SIngo Molnar 6723a3393efSAnton Blanchard /* 6733a3393efSAnton Blanchard * ppc64 uses function descriptors and appends a '.' to the 6743a3393efSAnton Blanchard * start of every instruction address. Remove it. 6753a3393efSAnton Blanchard */ 6763a3393efSAnton Blanchard if (name[0] == '.') 6773a3393efSAnton Blanchard name++; 6783a3393efSAnton Blanchard 67986470930SIngo Molnar if (!strcmp(name, "_text") || 68086470930SIngo Molnar !strcmp(name, "_etext") || 68186470930SIngo Molnar !strcmp(name, "_sinittext") || 68286470930SIngo Molnar !strncmp("init_module", name, 11) || 68386470930SIngo Molnar !strncmp("cleanup_module", name, 14) || 68486470930SIngo Molnar strstr(name, "_text_start") || 68586470930SIngo Molnar strstr(name, "_text_end")) 68686470930SIngo Molnar return 1; 68786470930SIngo Molnar 6882ab52083SAnton Blanchard for (i = 0; skip_symbols[i]; i++) { 6892ab52083SAnton Blanchard if (!strcmp(skip_symbols[i], name)) { 690171b3be9SArnaldo Carvalho de Melo sym->ignore = true; 6912ab52083SAnton Blanchard break; 6922ab52083SAnton Blanchard } 6932ab52083SAnton Blanchard } 69486470930SIngo Molnar 69586470930SIngo Molnar return 0; 69686470930SIngo Molnar } 69786470930SIngo Molnar 6981758af10SArnaldo Carvalho de Melo static void perf_event__process_sample(struct perf_tool *tool, 6991758af10SArnaldo Carvalho de Melo const union perf_event *event, 7007b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel, 7018d50e5b4SArnaldo Carvalho de Melo struct perf_sample *sample, 702743eb868SArnaldo Carvalho de Melo struct machine *machine) 70386470930SIngo Molnar { 7041758af10SArnaldo Carvalho de Melo struct perf_top *top = container_of(tool, struct perf_top, tool); 70519d4ac3cSArnaldo Carvalho de Melo struct symbol *parent = NULL; 7068115d60cSArnaldo Carvalho de Melo u64 ip = event->ip.ip; 7071ed091c4SArnaldo Carvalho de Melo struct addr_location al; 70819d4ac3cSArnaldo Carvalho de Melo int err; 7095b2bb75aSArnaldo Carvalho de Melo 71023346f21SArnaldo Carvalho de Melo if (!machine && perf_guest) { 7116b118e92SDavid Ahern static struct intlist *seen; 7126b118e92SDavid Ahern 7136b118e92SDavid Ahern if (!seen) 7146b118e92SDavid Ahern seen = intlist__new(); 7156b118e92SDavid Ahern 7166b118e92SDavid Ahern if (!intlist__has_entry(seen, event->ip.pid)) { 717a1645ce1SZhang, Yanmin pr_err("Can't find guest [%d]'s kernel information\n", 7188115d60cSArnaldo Carvalho de Melo event->ip.pid); 7196b118e92SDavid Ahern intlist__add(seen, event->ip.pid); 7206b118e92SDavid Ahern } 721a1645ce1SZhang, Yanmin return; 722a1645ce1SZhang, Yanmin } 723a1645ce1SZhang, Yanmin 7240c095715SJoerg Roedel if (!machine) { 7250c095715SJoerg Roedel pr_err("%u unprocessable samples recorded.", 7260c095715SJoerg Roedel top->session->hists.stats.nr_unprocessable_samples++); 7270c095715SJoerg Roedel return; 7280c095715SJoerg Roedel } 7290c095715SJoerg Roedel 7308115d60cSArnaldo Carvalho de Melo if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) 7311758af10SArnaldo Carvalho de Melo top->exact_samples++; 7321676b8a0SPeter Zijlstra 733743eb868SArnaldo Carvalho de Melo if (perf_event__preprocess_sample(event, machine, &al, sample, 73441a37e20SArnaldo Carvalho de Melo symbol_filter) < 0 || 73572b8fa17SArnaldo Carvalho de Melo al.filtered) 7361ed091c4SArnaldo Carvalho de Melo return; 73786470930SIngo Molnar 7381758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && 7395f6f5580SArnaldo Carvalho de Melo symbol_conf.kptr_restrict && 7405f6f5580SArnaldo Carvalho de Melo al.cpumode == PERF_RECORD_MISC_KERNEL) { 7415f6f5580SArnaldo Carvalho de Melo ui__warning( 7425f6f5580SArnaldo Carvalho de Melo "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" 7435f6f5580SArnaldo Carvalho de Melo "Check /proc/sys/kernel/kptr_restrict.\n\n" 7445f6f5580SArnaldo Carvalho de Melo "Kernel%s samples will not be resolved.\n", 7455f6f5580SArnaldo Carvalho de Melo !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? 7465f6f5580SArnaldo Carvalho de Melo " modules" : ""); 7475f6f5580SArnaldo Carvalho de Melo if (use_browser <= 0) 7485f6f5580SArnaldo Carvalho de Melo sleep(5); 7491758af10SArnaldo Carvalho de Melo top->kptr_restrict_warned = true; 7505f6f5580SArnaldo Carvalho de Melo } 7515f6f5580SArnaldo Carvalho de Melo 75272b8fa17SArnaldo Carvalho de Melo if (al.sym == NULL) { 753e4a338d0SArnaldo Carvalho de Melo const char *msg = "Kernel samples will not be resolved.\n"; 75472b8fa17SArnaldo Carvalho de Melo /* 75572b8fa17SArnaldo Carvalho de Melo * As we do lazy loading of symtabs we only will know if the 75672b8fa17SArnaldo Carvalho de Melo * specified vmlinux file is invalid when we actually have a 75772b8fa17SArnaldo Carvalho de Melo * hit in kernel space and then try to load it. So if we get 75872b8fa17SArnaldo Carvalho de Melo * here and there are _no_ symbols in the DSO backing the 75972b8fa17SArnaldo Carvalho de Melo * kernel map, bail out. 76072b8fa17SArnaldo Carvalho de Melo * 76172b8fa17SArnaldo Carvalho de Melo * We may never get here, for instance, if we use -K/ 76272b8fa17SArnaldo Carvalho de Melo * --hide-kernel-symbols, even if the user specifies an 76372b8fa17SArnaldo Carvalho de Melo * invalid --vmlinux ;-) 76472b8fa17SArnaldo Carvalho de Melo */ 7651758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && !top->vmlinux_warned && 766e4a338d0SArnaldo Carvalho de Melo al.map == machine->vmlinux_maps[MAP__FUNCTION] && 76772b8fa17SArnaldo Carvalho de Melo RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { 768e4a338d0SArnaldo Carvalho de Melo if (symbol_conf.vmlinux_name) { 769e4a338d0SArnaldo Carvalho de Melo ui__warning("The %s file can't be used.\n%s", 770e4a338d0SArnaldo Carvalho de Melo symbol_conf.vmlinux_name, msg); 771e4a338d0SArnaldo Carvalho de Melo } else { 772e4a338d0SArnaldo Carvalho de Melo ui__warning("A vmlinux file was not found.\n%s", 773e4a338d0SArnaldo Carvalho de Melo msg); 774e4a338d0SArnaldo Carvalho de Melo } 775e4a338d0SArnaldo Carvalho de Melo 776e4a338d0SArnaldo Carvalho de Melo if (use_browser <= 0) 777e4a338d0SArnaldo Carvalho de Melo sleep(5); 7781758af10SArnaldo Carvalho de Melo top->vmlinux_warned = true; 77972b8fa17SArnaldo Carvalho de Melo } 78072b8fa17SArnaldo Carvalho de Melo } 78172b8fa17SArnaldo Carvalho de Melo 782ab81f3fdSArnaldo Carvalho de Melo if (al.sym == NULL || !al.sym->ignore) { 783ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 78470db7533SArnaldo Carvalho de Melo 78519d4ac3cSArnaldo Carvalho de Melo if ((sort__has_parent || symbol_conf.use_callchain) && 78619d4ac3cSArnaldo Carvalho de Melo sample->callchain) { 78771ad0f5eSJiri Olsa err = machine__resolve_callchain(machine, evsel, 78871ad0f5eSJiri Olsa al.thread, sample, 78971ad0f5eSJiri Olsa &parent); 79071ad0f5eSJiri Olsa 79119d4ac3cSArnaldo Carvalho de Melo if (err) 79219d4ac3cSArnaldo Carvalho de Melo return; 79319d4ac3cSArnaldo Carvalho de Melo } 79419d4ac3cSArnaldo Carvalho de Melo 795743eb868SArnaldo Carvalho de Melo he = perf_evsel__add_hist_entry(evsel, &al, sample); 796ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) { 797ab81f3fdSArnaldo Carvalho de Melo pr_err("Problem incrementing symbol period, skipping event\n"); 798ab81f3fdSArnaldo Carvalho de Melo return; 7995807806aSArnaldo Carvalho de Melo } 800ab81f3fdSArnaldo Carvalho de Melo 80119d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 80247260645SNamhyung Kim err = callchain_append(he->callchain, &callchain_cursor, 80319d4ac3cSArnaldo Carvalho de Melo sample->period); 80419d4ac3cSArnaldo Carvalho de Melo if (err) 80519d4ac3cSArnaldo Carvalho de Melo return; 80619d4ac3cSArnaldo Carvalho de Melo } 80719d4ac3cSArnaldo Carvalho de Melo 8081758af10SArnaldo Carvalho de Melo if (top->sort_has_symbols) 8091758af10SArnaldo Carvalho de Melo perf_top__record_precise_ip(top, he, evsel->idx, ip); 8105807806aSArnaldo Carvalho de Melo } 811ab81f3fdSArnaldo Carvalho de Melo 812ab81f3fdSArnaldo Carvalho de Melo return; 81386470930SIngo Molnar } 81486470930SIngo Molnar 8151758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read_idx(struct perf_top *top, int idx) 81686470930SIngo Molnar { 8178d50e5b4SArnaldo Carvalho de Melo struct perf_sample sample; 8187b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel; 8191758af10SArnaldo Carvalho de Melo struct perf_session *session = top->session; 8208115d60cSArnaldo Carvalho de Melo union perf_event *event; 821743eb868SArnaldo Carvalho de Melo struct machine *machine; 822743eb868SArnaldo Carvalho de Melo u8 origin; 8235538becaSFrederic Weisbecker int ret; 82486470930SIngo Molnar 8251758af10SArnaldo Carvalho de Melo while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { 8260807d2d8SArnaldo Carvalho de Melo ret = perf_evlist__parse_sample(top->evlist, event, &sample); 8275538becaSFrederic Weisbecker if (ret) { 8285538becaSFrederic Weisbecker pr_err("Can't parse sample, err = %d\n", ret); 8295538becaSFrederic Weisbecker continue; 8305538becaSFrederic Weisbecker } 83104391debSArnaldo Carvalho de Melo 8321758af10SArnaldo Carvalho de Melo evsel = perf_evlist__id2evsel(session->evlist, sample.id); 8337b27509fSArnaldo Carvalho de Melo assert(evsel != NULL); 8347b27509fSArnaldo Carvalho de Melo 835743eb868SArnaldo Carvalho de Melo origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; 836743eb868SArnaldo Carvalho de Melo 8375b2bb75aSArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) 8381758af10SArnaldo Carvalho de Melo ++top->samples; 839743eb868SArnaldo Carvalho de Melo 840743eb868SArnaldo Carvalho de Melo switch (origin) { 841743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_USER: 8421758af10SArnaldo Carvalho de Melo ++top->us_samples; 8431758af10SArnaldo Carvalho de Melo if (top->hide_user_symbols) 844743eb868SArnaldo Carvalho de Melo continue; 8451758af10SArnaldo Carvalho de Melo machine = perf_session__find_host_machine(session); 846743eb868SArnaldo Carvalho de Melo break; 847743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_KERNEL: 8481758af10SArnaldo Carvalho de Melo ++top->kernel_samples; 8491758af10SArnaldo Carvalho de Melo if (top->hide_kernel_symbols) 850743eb868SArnaldo Carvalho de Melo continue; 8511758af10SArnaldo Carvalho de Melo machine = perf_session__find_host_machine(session); 852743eb868SArnaldo Carvalho de Melo break; 853743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_KERNEL: 8541758af10SArnaldo Carvalho de Melo ++top->guest_kernel_samples; 8551758af10SArnaldo Carvalho de Melo machine = perf_session__find_machine(session, event->ip.pid); 856743eb868SArnaldo Carvalho de Melo break; 857743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_USER: 8581758af10SArnaldo Carvalho de Melo ++top->guest_us_samples; 859743eb868SArnaldo Carvalho de Melo /* 860743eb868SArnaldo Carvalho de Melo * TODO: we don't process guest user from host side 861743eb868SArnaldo Carvalho de Melo * except simple counting. 862743eb868SArnaldo Carvalho de Melo */ 863743eb868SArnaldo Carvalho de Melo /* Fall thru */ 864743eb868SArnaldo Carvalho de Melo default: 865743eb868SArnaldo Carvalho de Melo continue; 866743eb868SArnaldo Carvalho de Melo } 867743eb868SArnaldo Carvalho de Melo 868743eb868SArnaldo Carvalho de Melo 8691758af10SArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) { 8701758af10SArnaldo Carvalho de Melo perf_event__process_sample(&top->tool, event, evsel, 8711758af10SArnaldo Carvalho de Melo &sample, machine); 8721758af10SArnaldo Carvalho de Melo } else if (event->header.type < PERF_RECORD_MAX) { 8737b27509fSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, event->header.type); 8741758af10SArnaldo Carvalho de Melo perf_event__process(&top->tool, event, &sample, machine); 8757b27509fSArnaldo Carvalho de Melo } else 8761758af10SArnaldo Carvalho de Melo ++session->hists.stats.nr_unknown_events; 87786470930SIngo Molnar } 87886470930SIngo Molnar } 87986470930SIngo Molnar 8801758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read(struct perf_top *top) 8812f01190aSFrederic Weisbecker { 88270db7533SArnaldo Carvalho de Melo int i; 8832f01190aSFrederic Weisbecker 8841758af10SArnaldo Carvalho de Melo for (i = 0; i < top->evlist->nr_mmaps; i++) 8851758af10SArnaldo Carvalho de Melo perf_top__mmap_read_idx(top, i); 8862f01190aSFrederic Weisbecker } 8872f01190aSFrederic Weisbecker 8881758af10SArnaldo Carvalho de Melo static void perf_top__start_counters(struct perf_top *top) 88972cb7013SArnaldo Carvalho de Melo { 8906a4bb04cSJiri Olsa struct perf_evsel *counter; 8911758af10SArnaldo Carvalho de Melo struct perf_evlist *evlist = top->evlist; 892727ab04eSArnaldo Carvalho de Melo 8936a4bb04cSJiri Olsa if (top->group) 89463dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evlist); 89572cb7013SArnaldo Carvalho de Melo 89672cb7013SArnaldo Carvalho de Melo list_for_each_entry(counter, &evlist->entries, node) { 89772cb7013SArnaldo Carvalho de Melo struct perf_event_attr *attr = &counter->attr; 89872cb7013SArnaldo Carvalho de Melo 89972cb7013SArnaldo Carvalho de Melo attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; 90072cb7013SArnaldo Carvalho de Melo 9011758af10SArnaldo Carvalho de Melo if (top->freq) { 90272cb7013SArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_PERIOD; 90372cb7013SArnaldo Carvalho de Melo attr->freq = 1; 9041758af10SArnaldo Carvalho de Melo attr->sample_freq = top->freq; 90572cb7013SArnaldo Carvalho de Melo } 90672cb7013SArnaldo Carvalho de Melo 90770db7533SArnaldo Carvalho de Melo if (evlist->nr_entries > 1) { 90870db7533SArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_ID; 90970db7533SArnaldo Carvalho de Melo attr->read_format |= PERF_FORMAT_ID; 91070db7533SArnaldo Carvalho de Melo } 91170db7533SArnaldo Carvalho de Melo 912e40ee742SNamhyung Kim if (perf_target__has_cpu(&top->target)) 913e40ee742SNamhyung Kim attr->sample_type |= PERF_SAMPLE_CPU; 914e40ee742SNamhyung Kim 91519d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) 91619d4ac3cSArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_CALLCHAIN; 91719d4ac3cSArnaldo Carvalho de Melo 91872cb7013SArnaldo Carvalho de Melo attr->mmap = 1; 919ab81f3fdSArnaldo Carvalho de Melo attr->comm = 1; 9201758af10SArnaldo Carvalho de Melo attr->inherit = top->inherit; 9210c978128SArnaldo Carvalho de Melo fallback_missing_features: 9220c978128SArnaldo Carvalho de Melo if (top->exclude_guest_missing) 9230c978128SArnaldo Carvalho de Melo attr->exclude_guest = attr->exclude_host = 0; 9247b27509fSArnaldo Carvalho de Melo retry_sample_id: 925808e1226SArnaldo Carvalho de Melo attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; 92672cb7013SArnaldo Carvalho de Melo try_again: 9271758af10SArnaldo Carvalho de Melo if (perf_evsel__open(counter, top->evlist->cpus, 9286a4bb04cSJiri Olsa top->evlist->threads) < 0) { 92972cb7013SArnaldo Carvalho de Melo int err = errno; 93072cb7013SArnaldo Carvalho de Melo 931c286c419SArnaldo Carvalho de Melo if (err == EPERM || err == EACCES) { 932b8631e6eSArnaldo Carvalho de Melo ui__error_paranoid(); 933c286c419SArnaldo Carvalho de Melo goto out_err; 9340c978128SArnaldo Carvalho de Melo } else if (err == EINVAL) { 9350c978128SArnaldo Carvalho de Melo if (!top->exclude_guest_missing && 9360c978128SArnaldo Carvalho de Melo (attr->exclude_guest || attr->exclude_host)) { 9370c978128SArnaldo Carvalho de Melo pr_debug("Old kernel, cannot exclude " 9380c978128SArnaldo Carvalho de Melo "guest or host samples.\n"); 9390c978128SArnaldo Carvalho de Melo top->exclude_guest_missing = true; 9400c978128SArnaldo Carvalho de Melo goto fallback_missing_features; 941808e1226SArnaldo Carvalho de Melo } else if (!top->sample_id_all_missing) { 9427b27509fSArnaldo Carvalho de Melo /* 9437b27509fSArnaldo Carvalho de Melo * Old kernel, no attr->sample_id_type_all field 9447b27509fSArnaldo Carvalho de Melo */ 945808e1226SArnaldo Carvalho de Melo top->sample_id_all_missing = true; 9467b27509fSArnaldo Carvalho de Melo goto retry_sample_id; 947c286c419SArnaldo Carvalho de Melo } 9480c978128SArnaldo Carvalho de Melo } 94972cb7013SArnaldo Carvalho de Melo /* 95072cb7013SArnaldo Carvalho de Melo * If it's cycles then fall back to hrtimer 95172cb7013SArnaldo Carvalho de Melo * based cpu-clock-tick sw counter, which 95272cb7013SArnaldo Carvalho de Melo * is always available even if no PMU support: 95372cb7013SArnaldo Carvalho de Melo */ 9541a31fc90SDavid Ahern if ((err == ENOENT || err == ENXIO) && 9551a31fc90SDavid Ahern (attr->type == PERF_TYPE_HARDWARE) && 9561a31fc90SDavid Ahern (attr->config == PERF_COUNT_HW_CPU_CYCLES)) { 9571a31fc90SDavid Ahern 95872cb7013SArnaldo Carvalho de Melo if (verbose) 959c286c419SArnaldo Carvalho de Melo ui__warning("Cycles event not supported,\n" 960c286c419SArnaldo Carvalho de Melo "trying to fall back to cpu-clock-ticks\n"); 96172cb7013SArnaldo Carvalho de Melo 96272cb7013SArnaldo Carvalho de Melo attr->type = PERF_TYPE_SOFTWARE; 96372cb7013SArnaldo Carvalho de Melo attr->config = PERF_COUNT_SW_CPU_CLOCK; 96440491eaaSDavid Ahern if (counter->name) { 96540491eaaSDavid Ahern free(counter->name); 966895d9766SArnaldo Carvalho de Melo counter->name = NULL; 96740491eaaSDavid Ahern } 96872cb7013SArnaldo Carvalho de Melo goto try_again; 96972cb7013SArnaldo Carvalho de Melo } 970c286c419SArnaldo Carvalho de Melo 971ca6a4258SDavid Ahern if (err == ENOENT) { 9723780f488SNamhyung Kim ui__error("The %s event is not supported.\n", 9737289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 974ca6a4258SDavid Ahern goto out_err; 975cdce4459SNamhyung Kim } else if (err == EMFILE) { 9763780f488SNamhyung Kim ui__error("Too many events are opened.\n" 977cdce4459SNamhyung Kim "Try again after reducing the number of events\n"); 978cdce4459SNamhyung Kim goto out_err; 979ca6a4258SDavid Ahern } 980ca6a4258SDavid Ahern 9813780f488SNamhyung Kim ui__error("The sys_perf_event_open() syscall " 982c286c419SArnaldo Carvalho de Melo "returned with %d (%s). /bin/dmesg " 983c286c419SArnaldo Carvalho de Melo "may provide additional information.\n" 984c286c419SArnaldo Carvalho de Melo "No CONFIG_PERF_EVENTS=y kernel support " 985c286c419SArnaldo Carvalho de Melo "configured?\n", err, strerror(err)); 986c286c419SArnaldo Carvalho de Melo goto out_err; 98772cb7013SArnaldo Carvalho de Melo } 98872cb7013SArnaldo Carvalho de Melo } 98970db7533SArnaldo Carvalho de Melo 9901758af10SArnaldo Carvalho de Melo if (perf_evlist__mmap(evlist, top->mmap_pages, false) < 0) { 9913780f488SNamhyung Kim ui__error("Failed to mmap with %d (%s)\n", 992c286c419SArnaldo Carvalho de Melo errno, strerror(errno)); 993c286c419SArnaldo Carvalho de Melo goto out_err; 994c286c419SArnaldo Carvalho de Melo } 995c286c419SArnaldo Carvalho de Melo 996c286c419SArnaldo Carvalho de Melo return; 997c286c419SArnaldo Carvalho de Melo 998c286c419SArnaldo Carvalho de Melo out_err: 999c286c419SArnaldo Carvalho de Melo exit_browser(0); 1000c286c419SArnaldo Carvalho de Melo exit(0); 100172cb7013SArnaldo Carvalho de Melo } 100272cb7013SArnaldo Carvalho de Melo 10031758af10SArnaldo Carvalho de Melo static int perf_top__setup_sample_type(struct perf_top *top) 100419d4ac3cSArnaldo Carvalho de Melo { 10051758af10SArnaldo Carvalho de Melo if (!top->sort_has_symbols) { 100619d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 10073780f488SNamhyung Kim ui__error("Selected -g but \"sym\" not present in --sort/-s."); 100819d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 100919d4ac3cSArnaldo Carvalho de Melo } 10101758af10SArnaldo Carvalho de Melo } else if (!top->dont_use_callchains && callchain_param.mode != CHAIN_NONE) { 101119d4ac3cSArnaldo Carvalho de Melo if (callchain_register_param(&callchain_param) < 0) { 10123780f488SNamhyung Kim ui__error("Can't register callchain params.\n"); 101319d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 101419d4ac3cSArnaldo Carvalho de Melo } 101519d4ac3cSArnaldo Carvalho de Melo } 101619d4ac3cSArnaldo Carvalho de Melo 101719d4ac3cSArnaldo Carvalho de Melo return 0; 101819d4ac3cSArnaldo Carvalho de Melo } 101919d4ac3cSArnaldo Carvalho de Melo 10201758af10SArnaldo Carvalho de Melo static int __cmd_top(struct perf_top *top) 1021716c69feSIngo Molnar { 1022716c69feSIngo Molnar pthread_t thread; 102319d4ac3cSArnaldo Carvalho de Melo int ret; 1024d8f66248SArnaldo Carvalho de Melo /* 1025b3165f41SArnaldo Carvalho de Melo * FIXME: perf_session__new should allow passing a O_MMAP, so that all this 1026b3165f41SArnaldo Carvalho de Melo * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. 1027d8f66248SArnaldo Carvalho de Melo */ 10281758af10SArnaldo Carvalho de Melo top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); 10291758af10SArnaldo Carvalho de Melo if (top->session == NULL) 1030b3165f41SArnaldo Carvalho de Melo return -ENOMEM; 1031716c69feSIngo Molnar 10321758af10SArnaldo Carvalho de Melo ret = perf_top__setup_sample_type(top); 103319d4ac3cSArnaldo Carvalho de Melo if (ret) 103419d4ac3cSArnaldo Carvalho de Melo goto out_delete; 103519d4ac3cSArnaldo Carvalho de Melo 1036aa22dd49SNamhyung Kim if (perf_target__has_task(&top->target)) 10371758af10SArnaldo Carvalho de Melo perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, 1038743eb868SArnaldo Carvalho de Melo perf_event__process, 10391758af10SArnaldo Carvalho de Melo &top->session->host_machine); 10405b2bb75aSArnaldo Carvalho de Melo else 10411758af10SArnaldo Carvalho de Melo perf_event__synthesize_threads(&top->tool, perf_event__process, 10421758af10SArnaldo Carvalho de Melo &top->session->host_machine); 10431758af10SArnaldo Carvalho de Melo perf_top__start_counters(top); 10441758af10SArnaldo Carvalho de Melo top->session->evlist = top->evlist; 10457b56cce2SArnaldo Carvalho de Melo perf_session__set_id_hdr_size(top->session); 104686470930SIngo Molnar 10472f01190aSFrederic Weisbecker /* Wait for a minimal set of events before starting the snapshot */ 10481758af10SArnaldo Carvalho de Melo poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 10492f01190aSFrederic Weisbecker 10501758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 10512f01190aSFrederic Weisbecker 1052c0443df1SArnaldo Carvalho de Melo if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : 10531758af10SArnaldo Carvalho de Melo display_thread), top)) { 10543780f488SNamhyung Kim ui__error("Could not create display thread.\n"); 105586470930SIngo Molnar exit(-1); 105686470930SIngo Molnar } 105786470930SIngo Molnar 10581758af10SArnaldo Carvalho de Melo if (top->realtime_prio) { 105986470930SIngo Molnar struct sched_param param; 106086470930SIngo Molnar 10611758af10SArnaldo Carvalho de Melo param.sched_priority = top->realtime_prio; 106286470930SIngo Molnar if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { 10633780f488SNamhyung Kim ui__error("Could not set realtime priority.\n"); 106486470930SIngo Molnar exit(-1); 106586470930SIngo Molnar } 106686470930SIngo Molnar } 106786470930SIngo Molnar 106886470930SIngo Molnar while (1) { 10691758af10SArnaldo Carvalho de Melo u64 hits = top->samples; 107086470930SIngo Molnar 10711758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 107286470930SIngo Molnar 10731758af10SArnaldo Carvalho de Melo if (hits == top->samples) 10741758af10SArnaldo Carvalho de Melo ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 107586470930SIngo Molnar } 107686470930SIngo Molnar 107719d4ac3cSArnaldo Carvalho de Melo out_delete: 10781758af10SArnaldo Carvalho de Melo perf_session__delete(top->session); 10791758af10SArnaldo Carvalho de Melo top->session = NULL; 108019d4ac3cSArnaldo Carvalho de Melo 108119d4ac3cSArnaldo Carvalho de Melo return 0; 108219d4ac3cSArnaldo Carvalho de Melo } 108319d4ac3cSArnaldo Carvalho de Melo 108419d4ac3cSArnaldo Carvalho de Melo static int 10851758af10SArnaldo Carvalho de Melo parse_callchain_opt(const struct option *opt, const char *arg, int unset) 108619d4ac3cSArnaldo Carvalho de Melo { 10871758af10SArnaldo Carvalho de Melo struct perf_top *top = (struct perf_top *)opt->value; 108819d4ac3cSArnaldo Carvalho de Melo char *tok, *tok2; 108919d4ac3cSArnaldo Carvalho de Melo char *endptr; 109019d4ac3cSArnaldo Carvalho de Melo 109119d4ac3cSArnaldo Carvalho de Melo /* 109219d4ac3cSArnaldo Carvalho de Melo * --no-call-graph 109319d4ac3cSArnaldo Carvalho de Melo */ 109419d4ac3cSArnaldo Carvalho de Melo if (unset) { 10951758af10SArnaldo Carvalho de Melo top->dont_use_callchains = true; 109619d4ac3cSArnaldo Carvalho de Melo return 0; 109719d4ac3cSArnaldo Carvalho de Melo } 109819d4ac3cSArnaldo Carvalho de Melo 109919d4ac3cSArnaldo Carvalho de Melo symbol_conf.use_callchain = true; 110019d4ac3cSArnaldo Carvalho de Melo 110119d4ac3cSArnaldo Carvalho de Melo if (!arg) 110219d4ac3cSArnaldo Carvalho de Melo return 0; 110319d4ac3cSArnaldo Carvalho de Melo 110419d4ac3cSArnaldo Carvalho de Melo tok = strtok((char *)arg, ","); 110519d4ac3cSArnaldo Carvalho de Melo if (!tok) 110619d4ac3cSArnaldo Carvalho de Melo return -1; 110719d4ac3cSArnaldo Carvalho de Melo 110819d4ac3cSArnaldo Carvalho de Melo /* get the output mode */ 110919d4ac3cSArnaldo Carvalho de Melo if (!strncmp(tok, "graph", strlen(arg))) 111019d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_GRAPH_ABS; 111119d4ac3cSArnaldo Carvalho de Melo 111219d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "flat", strlen(arg))) 111319d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_FLAT; 111419d4ac3cSArnaldo Carvalho de Melo 111519d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "fractal", strlen(arg))) 111619d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_GRAPH_REL; 111719d4ac3cSArnaldo Carvalho de Melo 111819d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "none", strlen(arg))) { 111919d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_NONE; 112019d4ac3cSArnaldo Carvalho de Melo symbol_conf.use_callchain = false; 112119d4ac3cSArnaldo Carvalho de Melo 112219d4ac3cSArnaldo Carvalho de Melo return 0; 1123806fb630SArnaldo Carvalho de Melo } else 112419d4ac3cSArnaldo Carvalho de Melo return -1; 112519d4ac3cSArnaldo Carvalho de Melo 112619d4ac3cSArnaldo Carvalho de Melo /* get the min percentage */ 112719d4ac3cSArnaldo Carvalho de Melo tok = strtok(NULL, ","); 112819d4ac3cSArnaldo Carvalho de Melo if (!tok) 112919d4ac3cSArnaldo Carvalho de Melo goto setup; 113019d4ac3cSArnaldo Carvalho de Melo 113119d4ac3cSArnaldo Carvalho de Melo callchain_param.min_percent = strtod(tok, &endptr); 113219d4ac3cSArnaldo Carvalho de Melo if (tok == endptr) 113319d4ac3cSArnaldo Carvalho de Melo return -1; 113419d4ac3cSArnaldo Carvalho de Melo 113519d4ac3cSArnaldo Carvalho de Melo /* get the print limit */ 113619d4ac3cSArnaldo Carvalho de Melo tok2 = strtok(NULL, ","); 113719d4ac3cSArnaldo Carvalho de Melo if (!tok2) 113819d4ac3cSArnaldo Carvalho de Melo goto setup; 113919d4ac3cSArnaldo Carvalho de Melo 114019d4ac3cSArnaldo Carvalho de Melo if (tok2[0] != 'c') { 114119d4ac3cSArnaldo Carvalho de Melo callchain_param.print_limit = strtod(tok2, &endptr); 114219d4ac3cSArnaldo Carvalho de Melo tok2 = strtok(NULL, ","); 114319d4ac3cSArnaldo Carvalho de Melo if (!tok2) 114419d4ac3cSArnaldo Carvalho de Melo goto setup; 114519d4ac3cSArnaldo Carvalho de Melo } 114619d4ac3cSArnaldo Carvalho de Melo 114719d4ac3cSArnaldo Carvalho de Melo /* get the call chain order */ 114819d4ac3cSArnaldo Carvalho de Melo if (!strcmp(tok2, "caller")) 114919d4ac3cSArnaldo Carvalho de Melo callchain_param.order = ORDER_CALLER; 115019d4ac3cSArnaldo Carvalho de Melo else if (!strcmp(tok2, "callee")) 115119d4ac3cSArnaldo Carvalho de Melo callchain_param.order = ORDER_CALLEE; 115219d4ac3cSArnaldo Carvalho de Melo else 115319d4ac3cSArnaldo Carvalho de Melo return -1; 115419d4ac3cSArnaldo Carvalho de Melo setup: 115519d4ac3cSArnaldo Carvalho de Melo if (callchain_register_param(&callchain_param) < 0) { 115619d4ac3cSArnaldo Carvalho de Melo fprintf(stderr, "Can't register callchain params\n"); 115719d4ac3cSArnaldo Carvalho de Melo return -1; 115819d4ac3cSArnaldo Carvalho de Melo } 115986470930SIngo Molnar return 0; 116086470930SIngo Molnar } 116186470930SIngo Molnar 11621d037ca1SIrina Tirdea int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) 11631758af10SArnaldo Carvalho de Melo { 11641758af10SArnaldo Carvalho de Melo struct perf_evsel *pos; 116516ad2ffbSNamhyung Kim int status; 116616ad2ffbSNamhyung Kim char errbuf[BUFSIZ]; 11671758af10SArnaldo Carvalho de Melo struct perf_top top = { 11681758af10SArnaldo Carvalho de Melo .count_filter = 5, 11691758af10SArnaldo Carvalho de Melo .delay_secs = 2, 1170447a6013SArnaldo Carvalho de Melo .freq = 4000, /* 4 KHz */ 11711758af10SArnaldo Carvalho de Melo .mmap_pages = 128, 11721758af10SArnaldo Carvalho de Melo .sym_pcnt_filter = 5, 1173d1cb9fceSNamhyung Kim .target = { 1174d1cb9fceSNamhyung Kim .uses_mmap = true, 1175d1cb9fceSNamhyung Kim }, 11761758af10SArnaldo Carvalho de Melo }; 11771758af10SArnaldo Carvalho de Melo char callchain_default_opt[] = "fractal,0.5,callee"; 11781758af10SArnaldo Carvalho de Melo const struct option options[] = { 11798c3e10ebSArnaldo Carvalho de Melo OPT_CALLBACK('e', "event", &top.evlist, "event", 118086470930SIngo Molnar "event selector. use 'perf list' to list available events", 1181f120f9d5SJiri Olsa parse_events_option), 11821758af10SArnaldo Carvalho de Melo OPT_INTEGER('c', "count", &top.default_interval, 118386470930SIngo Molnar "event period to sample"), 1184fe9d18a7SNamhyung Kim OPT_STRING('p', "pid", &top.target.pid, "pid", 1185d6d901c2SZhang, Yanmin "profile events on existing process id"), 1186fe9d18a7SNamhyung Kim OPT_STRING('t', "tid", &top.target.tid, "tid", 1187d6d901c2SZhang, Yanmin "profile events on existing thread id"), 1188fe9d18a7SNamhyung Kim OPT_BOOLEAN('a', "all-cpus", &top.target.system_wide, 118986470930SIngo Molnar "system-wide collection from all CPUs"), 1190fe9d18a7SNamhyung Kim OPT_STRING('C', "cpu", &top.target.cpu_list, "cpu", 1191c45c6ea2SStephane Eranian "list of cpus to monitor"), 1192b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1193b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 11948c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, 11958ffcda17SArnaldo Carvalho de Melo "hide kernel symbols"), 11961758af10SArnaldo Carvalho de Melo OPT_UINTEGER('m', "mmap-pages", &top.mmap_pages, "number of mmap data pages"), 11971758af10SArnaldo Carvalho de Melo OPT_INTEGER('r', "realtime", &top.realtime_prio, 119886470930SIngo Molnar "collect data with this RT SCHED_FIFO priority"), 11998c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('d', "delay", &top.delay_secs, 120086470930SIngo Molnar "number of seconds to delay between refreshes"), 12011758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, 120286470930SIngo Molnar "dump the symbol table used for profiling"), 12038c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('f', "count-filter", &top.count_filter, 120486470930SIngo Molnar "only display functions with more events than this"), 12051758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('g', "group", &top.group, 120686470930SIngo Molnar "put the counters into a counter group"), 12071758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('i', "inherit", &top.inherit, 12080fdc7e67SMike Galbraith "child tasks inherit counters"), 12091758af10SArnaldo Carvalho de Melo OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", 12106cff0e8dSKirill Smelkov "symbol to annotate"), 12118c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('z', "zero", &top.zero, 121286470930SIngo Molnar "zero history across updates"), 12138c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('F', "freq", &top.freq, 121486470930SIngo Molnar "profile at this frequency"), 12158c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('E', "entries", &top.print_entries, 121686470930SIngo Molnar "display this many functions"), 12178c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, 12188ffcda17SArnaldo Carvalho de Melo "hide user symbols"), 12191758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), 12201758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), 1221c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 12223da297a6SIngo Molnar "be more verbose (show counter open errors, etc)"), 1223ab81f3fdSArnaldo Carvalho de Melo OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1224ab81f3fdSArnaldo Carvalho de Melo "sort by key(s): pid, comm, dso, symbol, parent"), 1225ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1226ab81f3fdSArnaldo Carvalho de Melo "Show a column with the number of samples"), 12271758af10SArnaldo Carvalho de Melo OPT_CALLBACK_DEFAULT('G', "call-graph", &top, "output_type,min_percent, call_order", 122819d4ac3cSArnaldo Carvalho de Melo "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " 122919d4ac3cSArnaldo Carvalho de Melo "Default: fractal,0.5,callee", &parse_callchain_opt, 123019d4ac3cSArnaldo Carvalho de Melo callchain_default_opt), 1231ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1232ab81f3fdSArnaldo Carvalho de Melo "Show a column with the sum of periods"), 1233ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1234ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these dsos"), 1235ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1236ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these comms"), 1237ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1238ab81f3fdSArnaldo Carvalho de Melo "only consider these symbols"), 123964c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 124064c6f0c7SArnaldo Carvalho de Melo "Interleave source code with assembly code (default)"), 124164c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 124264c6f0c7SArnaldo Carvalho de Melo "Display raw encoding of assembly instructions (default)"), 124364c6f0c7SArnaldo Carvalho de Melo OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 124464c6f0c7SArnaldo Carvalho de Melo "Specify disassembler style (e.g. -M intel for intel syntax)"), 1245fe9d18a7SNamhyung Kim OPT_STRING('u', "uid", &top.target.uid_str, "user", "user to profile"), 124686470930SIngo Molnar OPT_END() 124786470930SIngo Molnar }; 1248be772842SArnaldo Carvalho de Melo const char * const top_usage[] = { 1249be772842SArnaldo Carvalho de Melo "perf top [<options>]", 1250be772842SArnaldo Carvalho de Melo NULL 1251be772842SArnaldo Carvalho de Melo }; 125286470930SIngo Molnar 12538c3e10ebSArnaldo Carvalho de Melo top.evlist = perf_evlist__new(NULL, NULL); 12548c3e10ebSArnaldo Carvalho de Melo if (top.evlist == NULL) 1255361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1256361c99a6SArnaldo Carvalho de Melo 1257ab81f3fdSArnaldo Carvalho de Melo symbol_conf.exclude_other = false; 125886470930SIngo Molnar 125986470930SIngo Molnar argc = parse_options(argc, argv, options, top_usage, 0); 126086470930SIngo Molnar if (argc) 126186470930SIngo Molnar usage_with_options(top_usage, options); 126286470930SIngo Molnar 1263ab81f3fdSArnaldo Carvalho de Melo if (sort_order == default_sort_order) 1264ab81f3fdSArnaldo Carvalho de Melo sort_order = "dso,symbol"; 1265ab81f3fdSArnaldo Carvalho de Melo 1266ab81f3fdSArnaldo Carvalho de Melo setup_sorting(top_usage, options); 1267ab81f3fdSArnaldo Carvalho de Melo 12681758af10SArnaldo Carvalho de Melo if (top.use_stdio) 1269c0443df1SArnaldo Carvalho de Melo use_browser = 0; 12701758af10SArnaldo Carvalho de Melo else if (top.use_tui) 1271c0443df1SArnaldo Carvalho de Melo use_browser = 1; 1272c0443df1SArnaldo Carvalho de Melo 1273c0443df1SArnaldo Carvalho de Melo setup_browser(false); 1274c0443df1SArnaldo Carvalho de Melo 127516ad2ffbSNamhyung Kim status = perf_target__validate(&top.target); 127616ad2ffbSNamhyung Kim if (status) { 127716ad2ffbSNamhyung Kim perf_target__strerror(&top.target, status, errbuf, BUFSIZ); 127816ad2ffbSNamhyung Kim ui__warning("%s", errbuf); 127916ad2ffbSNamhyung Kim } 12804bd0f2d2SNamhyung Kim 128116ad2ffbSNamhyung Kim status = perf_target__parse_uid(&top.target); 128216ad2ffbSNamhyung Kim if (status) { 128316ad2ffbSNamhyung Kim int saved_errno = errno; 128416ad2ffbSNamhyung Kim 128516ad2ffbSNamhyung Kim perf_target__strerror(&top.target, status, errbuf, BUFSIZ); 12863780f488SNamhyung Kim ui__error("%s", errbuf); 128716ad2ffbSNamhyung Kim 128816ad2ffbSNamhyung Kim status = -saved_errno; 12890d37aa34SArnaldo Carvalho de Melo goto out_delete_evlist; 129016ad2ffbSNamhyung Kim } 12910d37aa34SArnaldo Carvalho de Melo 129280eebd94SArnaldo Carvalho de Melo if (perf_target__none(&top.target)) 129310b47d54SArnaldo Carvalho de Melo top.target.system_wide = true; 129410b47d54SArnaldo Carvalho de Melo 1295b809ac10SNamhyung Kim if (perf_evlist__create_maps(top.evlist, &top.target) < 0) 12967e2ed097SArnaldo Carvalho de Melo usage_with_options(top_usage, options); 12977e2ed097SArnaldo Carvalho de Melo 12988c3e10ebSArnaldo Carvalho de Melo if (!top.evlist->nr_entries && 12998c3e10ebSArnaldo Carvalho de Melo perf_evlist__add_default(top.evlist) < 0) { 13003780f488SNamhyung Kim ui__error("Not enough memory for event selector list\n"); 130169aad6f1SArnaldo Carvalho de Melo return -ENOMEM; 130269aad6f1SArnaldo Carvalho de Melo } 13035a8e5a30SArnaldo Carvalho de Melo 1304d04b35f8SArnaldo Carvalho de Melo symbol_conf.nr_events = top.evlist->nr_entries; 1305d04b35f8SArnaldo Carvalho de Melo 13068c3e10ebSArnaldo Carvalho de Melo if (top.delay_secs < 1) 13078c3e10ebSArnaldo Carvalho de Melo top.delay_secs = 1; 130886470930SIngo Molnar 13097e4ff9e3SMike Galbraith /* 13107e4ff9e3SMike Galbraith * User specified count overrides default frequency. 13117e4ff9e3SMike Galbraith */ 13121758af10SArnaldo Carvalho de Melo if (top.default_interval) 13138c3e10ebSArnaldo Carvalho de Melo top.freq = 0; 13148c3e10ebSArnaldo Carvalho de Melo else if (top.freq) { 13151758af10SArnaldo Carvalho de Melo top.default_interval = top.freq; 13167e4ff9e3SMike Galbraith } else { 13173780f488SNamhyung Kim ui__error("frequency and count are zero, aborting\n"); 13187e4ff9e3SMike Galbraith exit(EXIT_FAILURE); 13197e4ff9e3SMike Galbraith } 13207e4ff9e3SMike Galbraith 13218c3e10ebSArnaldo Carvalho de Melo list_for_each_entry(pos, &top.evlist->entries, node) { 132269aad6f1SArnaldo Carvalho de Melo /* 132369aad6f1SArnaldo Carvalho de Melo * Fill in the ones not specifically initialized via -c: 132469aad6f1SArnaldo Carvalho de Melo */ 1325806fb630SArnaldo Carvalho de Melo if (!pos->attr.sample_period) 13261758af10SArnaldo Carvalho de Melo pos->attr.sample_period = top.default_interval; 132769aad6f1SArnaldo Carvalho de Melo } 132869aad6f1SArnaldo Carvalho de Melo 13290c21f736SArnaldo Carvalho de Melo top.sym_evsel = perf_evlist__first(top.evlist); 1330cc841580SArnaldo Carvalho de Melo 1331ab81f3fdSArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct annotation); 133269aad6f1SArnaldo Carvalho de Melo 133369aad6f1SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); 133469aad6f1SArnaldo Carvalho de Melo if (symbol__init() < 0) 133569aad6f1SArnaldo Carvalho de Melo return -1; 133669aad6f1SArnaldo Carvalho de Melo 1337ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); 1338ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); 1339ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); 1340ab81f3fdSArnaldo Carvalho de Melo 134119d4ac3cSArnaldo Carvalho de Melo /* 134219d4ac3cSArnaldo Carvalho de Melo * Avoid annotation data structures overhead when symbols aren't on the 134319d4ac3cSArnaldo Carvalho de Melo * sort list. 134419d4ac3cSArnaldo Carvalho de Melo */ 13451758af10SArnaldo Carvalho de Melo top.sort_has_symbols = sort_sym.list.next != NULL; 134619d4ac3cSArnaldo Carvalho de Melo 13471758af10SArnaldo Carvalho de Melo get_term_dimensions(&top.winsize); 13488c3e10ebSArnaldo Carvalho de Melo if (top.print_entries == 0) { 13491758af10SArnaldo Carvalho de Melo struct sigaction act = { 13501758af10SArnaldo Carvalho de Melo .sa_sigaction = perf_top__sig_winch, 13511758af10SArnaldo Carvalho de Melo .sa_flags = SA_SIGINFO, 13521758af10SArnaldo Carvalho de Melo }; 13531758af10SArnaldo Carvalho de Melo perf_top__update_print_entries(&top); 13541758af10SArnaldo Carvalho de Melo sigaction(SIGWINCH, &act, NULL); 13553b6ed988SArnaldo Carvalho de Melo } 13563b6ed988SArnaldo Carvalho de Melo 13571758af10SArnaldo Carvalho de Melo status = __cmd_top(&top); 1358806fb630SArnaldo Carvalho de Melo 13590d37aa34SArnaldo Carvalho de Melo out_delete_evlist: 13608c3e10ebSArnaldo Carvalho de Melo perf_evlist__delete(top.evlist); 136169aad6f1SArnaldo Carvalho de Melo 136269aad6f1SArnaldo Carvalho de Melo return status; 136386470930SIngo Molnar } 1364