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 981758af10SArnaldo Carvalho de Melo static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *arg) 993b6ed988SArnaldo Carvalho de Melo { 1001758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 1011758af10SArnaldo Carvalho de Melo 1021758af10SArnaldo Carvalho de Melo get_term_dimensions(&top->winsize); 103509605dbSStephane Eranian if (!top->print_entries 104509605dbSStephane Eranian || (top->print_entries+4) > top->winsize.ws_row) { 105509605dbSStephane Eranian top->print_entries = top->winsize.ws_row; 106509605dbSStephane Eranian } else { 107509605dbSStephane Eranian top->print_entries += 4; 108509605dbSStephane Eranian top->winsize.ws_row = top->print_entries; 109509605dbSStephane Eranian } 1101758af10SArnaldo Carvalho de Melo perf_top__update_print_entries(top); 1113b6ed988SArnaldo Carvalho de Melo } 1123b6ed988SArnaldo Carvalho de Melo 1131758af10SArnaldo Carvalho de Melo static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) 114923c42c1SMike Galbraith { 115923c42c1SMike Galbraith struct symbol *sym; 116ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 117439d473bSArnaldo Carvalho de Melo struct map *map; 11836532461SArnaldo Carvalho de Melo int err = -1; 119923c42c1SMike Galbraith 120ab81f3fdSArnaldo Carvalho de Melo if (!he || !he->ms.sym) 121b0a9ab62SArnaldo Carvalho de Melo return -1; 122b0a9ab62SArnaldo Carvalho de Melo 123ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 124ab81f3fdSArnaldo Carvalho de Melo map = he->ms.map; 125b0a9ab62SArnaldo Carvalho de Melo 126b0a9ab62SArnaldo Carvalho de Melo /* 127b0a9ab62SArnaldo Carvalho de Melo * We can't annotate with just /proc/kallsyms 128b0a9ab62SArnaldo Carvalho de Melo */ 12944f24cb3SJiri Olsa if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { 130ce6f4fabSArnaldo Carvalho de Melo pr_err("Can't annotate %s: No vmlinux file was found in the " 131ce6f4fabSArnaldo Carvalho de Melo "path\n", sym->name); 132ce6f4fabSArnaldo Carvalho de Melo sleep(1); 133b0a9ab62SArnaldo Carvalho de Melo return -1; 134b269876cSArnaldo Carvalho de Melo } 135b269876cSArnaldo Carvalho de Melo 136ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 137ce6f4fabSArnaldo Carvalho de Melo if (notes->src != NULL) { 138ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 139923c42c1SMike Galbraith goto out_assign; 140923c42c1SMike Galbraith } 141923c42c1SMike Galbraith 142ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 143923c42c1SMike Galbraith 144d04b35f8SArnaldo Carvalho de Melo if (symbol__alloc_hist(sym) < 0) { 145c97cf422SArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 14636532461SArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 14736532461SArnaldo Carvalho de Melo sym->name); 148ce6f4fabSArnaldo Carvalho de Melo sleep(1); 149c97cf422SArnaldo Carvalho de Melo return err; 150923c42c1SMike Galbraith } 15136532461SArnaldo Carvalho de Melo 152ab81f3fdSArnaldo Carvalho de Melo err = symbol__annotate(sym, map, 0); 15336532461SArnaldo Carvalho de Melo if (err == 0) { 154923c42c1SMike Galbraith out_assign: 1551758af10SArnaldo Carvalho de Melo top->sym_filter_entry = he; 15636532461SArnaldo Carvalho de Melo } 157c97cf422SArnaldo Carvalho de Melo 158ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 15936532461SArnaldo Carvalho de Melo return err; 160923c42c1SMike Galbraith } 161923c42c1SMike Galbraith 162ab81f3fdSArnaldo Carvalho de Melo static void __zero_source_counters(struct hist_entry *he) 163923c42c1SMike Galbraith { 164ab81f3fdSArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 16536532461SArnaldo Carvalho de Melo symbol__annotate_zero_histograms(sym); 166923c42c1SMike Galbraith } 167923c42c1SMike Galbraith 16831d68e7bSArnaldo Carvalho de Melo static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) 16931d68e7bSArnaldo Carvalho de Melo { 17031d68e7bSArnaldo Carvalho de Melo struct utsname uts; 17131d68e7bSArnaldo Carvalho de Melo int err = uname(&uts); 17231d68e7bSArnaldo Carvalho de Melo 17331d68e7bSArnaldo Carvalho de Melo ui__warning("Out of bounds address found:\n\n" 17431d68e7bSArnaldo Carvalho de Melo "Addr: %" PRIx64 "\n" 17531d68e7bSArnaldo Carvalho de Melo "DSO: %s %c\n" 17631d68e7bSArnaldo Carvalho de Melo "Map: %" PRIx64 "-%" PRIx64 "\n" 17731d68e7bSArnaldo Carvalho de Melo "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" 17831d68e7bSArnaldo Carvalho de Melo "Arch: %s\n" 17931d68e7bSArnaldo Carvalho de Melo "Kernel: %s\n" 18031d68e7bSArnaldo Carvalho de Melo "Tools: %s\n\n" 18131d68e7bSArnaldo Carvalho de Melo "Not all samples will be on the annotation output.\n\n" 18231d68e7bSArnaldo Carvalho de Melo "Please report to linux-kernel@vger.kernel.org\n", 18331d68e7bSArnaldo Carvalho de Melo ip, map->dso->long_name, dso__symtab_origin(map->dso), 18431d68e7bSArnaldo Carvalho de Melo map->start, map->end, sym->start, sym->end, 18531d68e7bSArnaldo Carvalho de Melo sym->binding == STB_GLOBAL ? 'g' : 18631d68e7bSArnaldo Carvalho de Melo sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, 18731d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.machine, 18831d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.release, perf_version_string); 18931d68e7bSArnaldo Carvalho de Melo if (use_browser <= 0) 19031d68e7bSArnaldo Carvalho de Melo sleep(5); 19131d68e7bSArnaldo Carvalho de Melo 19231d68e7bSArnaldo Carvalho de Melo map->erange_warned = true; 19331d68e7bSArnaldo Carvalho de Melo } 19431d68e7bSArnaldo Carvalho de Melo 1951758af10SArnaldo Carvalho de Melo static void perf_top__record_precise_ip(struct perf_top *top, 1961758af10SArnaldo Carvalho de Melo struct hist_entry *he, 1971758af10SArnaldo Carvalho de Melo int counter, u64 ip) 198923c42c1SMike Galbraith { 199ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 200ce6f4fabSArnaldo Carvalho de Melo struct symbol *sym; 20131d68e7bSArnaldo Carvalho de Melo int err; 202ce6f4fabSArnaldo Carvalho de Melo 203ab81f3fdSArnaldo Carvalho de Melo if (he == NULL || he->ms.sym == NULL || 2041758af10SArnaldo Carvalho de Melo ((top->sym_filter_entry == NULL || 2051758af10SArnaldo Carvalho de Melo top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) 206923c42c1SMike Galbraith return; 207923c42c1SMike Galbraith 208ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 209ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 210ce6f4fabSArnaldo Carvalho de Melo 211ce6f4fabSArnaldo Carvalho de Melo if (pthread_mutex_trylock(¬es->lock)) 212923c42c1SMike Galbraith return; 213923c42c1SMike Galbraith 214d04b35f8SArnaldo Carvalho de Melo if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { 215ab81f3fdSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 216ab81f3fdSArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 217ab81f3fdSArnaldo Carvalho de Melo sym->name); 218ab81f3fdSArnaldo Carvalho de Melo sleep(1); 219ab81f3fdSArnaldo Carvalho de Melo return; 220ab81f3fdSArnaldo Carvalho de Melo } 221ab81f3fdSArnaldo Carvalho de Melo 222ab81f3fdSArnaldo Carvalho de Melo ip = he->ms.map->map_ip(he->ms.map, ip); 22331d68e7bSArnaldo Carvalho de Melo err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); 224923c42c1SMike Galbraith 225ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 22631d68e7bSArnaldo Carvalho de Melo 22731d68e7bSArnaldo Carvalho de Melo if (err == -ERANGE && !he->ms.map->erange_warned) 22831d68e7bSArnaldo Carvalho de Melo ui__warn_map_erange(he->ms.map, sym, ip); 229923c42c1SMike Galbraith } 230923c42c1SMike Galbraith 2311758af10SArnaldo Carvalho de Melo static void perf_top__show_details(struct perf_top *top) 232923c42c1SMike Galbraith { 2331758af10SArnaldo Carvalho de Melo struct hist_entry *he = top->sym_filter_entry; 234ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 235923c42c1SMike Galbraith struct symbol *symbol; 23636532461SArnaldo Carvalho de Melo int more; 237923c42c1SMike Galbraith 238ab81f3fdSArnaldo Carvalho de Melo if (!he) 239923c42c1SMike Galbraith return; 240923c42c1SMike Galbraith 241ab81f3fdSArnaldo Carvalho de Melo symbol = he->ms.sym; 242ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(symbol); 243ce6f4fabSArnaldo Carvalho de Melo 244ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 245ce6f4fabSArnaldo Carvalho de Melo 246ce6f4fabSArnaldo Carvalho de Melo if (notes->src == NULL) 247ce6f4fabSArnaldo Carvalho de Melo goto out_unlock; 248923c42c1SMike Galbraith 2497289f83cSArnaldo Carvalho de Melo printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); 2501758af10SArnaldo Carvalho de Melo printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); 251923c42c1SMike Galbraith 2521758af10SArnaldo Carvalho de Melo more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, 2531758af10SArnaldo Carvalho de Melo 0, top->sym_pcnt_filter, top->print_entries, 4); 2541758af10SArnaldo Carvalho de Melo if (top->zero) 2551758af10SArnaldo Carvalho de Melo symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); 25636532461SArnaldo Carvalho de Melo else 2571758af10SArnaldo Carvalho de Melo symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); 25836532461SArnaldo Carvalho de Melo if (more != 0) 259923c42c1SMike Galbraith printf("%d lines not displayed, maybe increase display entries [e]\n", more); 260ce6f4fabSArnaldo Carvalho de Melo out_unlock: 261ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 262923c42c1SMike Galbraith } 26386470930SIngo Molnar 26486470930SIngo Molnar static const char CONSOLE_CLEAR[] = "[H[2J"; 26586470930SIngo Molnar 266743eb868SArnaldo Carvalho de Melo static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, 267ab81f3fdSArnaldo Carvalho de Melo struct addr_location *al, 268743eb868SArnaldo Carvalho de Melo struct perf_sample *sample) 26986470930SIngo Molnar { 270ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 271ab81f3fdSArnaldo Carvalho de Melo 272ab81f3fdSArnaldo Carvalho de Melo he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); 273ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) 274ab81f3fdSArnaldo Carvalho de Melo return NULL; 275ab81f3fdSArnaldo Carvalho de Melo 276ab81f3fdSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 277ab81f3fdSArnaldo Carvalho de Melo return he; 27886470930SIngo Molnar } 27986470930SIngo Molnar 2801758af10SArnaldo Carvalho de Melo static void perf_top__print_sym_table(struct perf_top *top) 28186470930SIngo Molnar { 2828c3e10ebSArnaldo Carvalho de Melo char bf[160]; 2838c3e10ebSArnaldo Carvalho de Melo int printed = 0; 2841758af10SArnaldo Carvalho de Melo const int win_width = top->winsize.ws_col - 1; 28586470930SIngo Molnar 28686470930SIngo Molnar puts(CONSOLE_CLEAR); 28786470930SIngo Molnar 2881758af10SArnaldo Carvalho de Melo perf_top__header_snprintf(top, bf, sizeof(bf)); 2898c3e10ebSArnaldo Carvalho de Melo printf("%s\n", bf); 29086470930SIngo Molnar 2911758af10SArnaldo Carvalho de Melo perf_top__reset_sample_counters(top); 29286470930SIngo Molnar 2931a105f74SArnaldo Carvalho de Melo printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 29486470930SIngo Molnar 2951758af10SArnaldo Carvalho de Melo if (top->sym_evsel->hists.stats.nr_lost_warned != 2961758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { 2971758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned = 2981758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; 2997b27509fSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_RED, 3007b27509fSArnaldo Carvalho de Melo "WARNING: LOST %d chunks, Check IO/CPU overload", 3011758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned); 302ab81f3fdSArnaldo Carvalho de Melo ++printed; 30393fc64f1SArnaldo Carvalho de Melo } 30493fc64f1SArnaldo Carvalho de Melo 3051758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 3061758af10SArnaldo Carvalho de Melo perf_top__show_details(top); 307923c42c1SMike Galbraith return; 308923c42c1SMike Galbraith } 309923c42c1SMike Galbraith 3101758af10SArnaldo Carvalho de Melo hists__collapse_resort_threaded(&top->sym_evsel->hists); 3111758af10SArnaldo Carvalho de Melo hists__output_resort_threaded(&top->sym_evsel->hists); 3121758af10SArnaldo Carvalho de Melo hists__decay_entries_threaded(&top->sym_evsel->hists, 3131758af10SArnaldo Carvalho de Melo top->hide_user_symbols, 3141758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols); 3151758af10SArnaldo Carvalho de Melo hists__output_recalc_col_len(&top->sym_evsel->hists, 3161758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 3); 3171a105f74SArnaldo Carvalho de Melo putchar('\n'); 3181758af10SArnaldo Carvalho de Melo hists__fprintf(&top->sym_evsel->hists, NULL, false, false, 3191758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 4 - printed, win_width, stdout); 32086470930SIngo Molnar } 32186470930SIngo Molnar 322923c42c1SMike Galbraith static void prompt_integer(int *target, const char *msg) 323923c42c1SMike Galbraith { 324923c42c1SMike Galbraith char *buf = malloc(0), *p; 325923c42c1SMike Galbraith size_t dummy = 0; 326923c42c1SMike Galbraith int tmp; 327923c42c1SMike Galbraith 328923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 329923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 330923c42c1SMike Galbraith return; 331923c42c1SMike Galbraith 332923c42c1SMike Galbraith p = strchr(buf, '\n'); 333923c42c1SMike Galbraith if (p) 334923c42c1SMike Galbraith *p = 0; 335923c42c1SMike Galbraith 336923c42c1SMike Galbraith p = buf; 337923c42c1SMike Galbraith while(*p) { 338923c42c1SMike Galbraith if (!isdigit(*p)) 339923c42c1SMike Galbraith goto out_free; 340923c42c1SMike Galbraith p++; 341923c42c1SMike Galbraith } 342923c42c1SMike Galbraith tmp = strtoul(buf, NULL, 10); 343923c42c1SMike Galbraith *target = tmp; 344923c42c1SMike Galbraith out_free: 345923c42c1SMike Galbraith free(buf); 346923c42c1SMike Galbraith } 347923c42c1SMike Galbraith 348923c42c1SMike Galbraith static void prompt_percent(int *target, const char *msg) 349923c42c1SMike Galbraith { 350923c42c1SMike Galbraith int tmp = 0; 351923c42c1SMike Galbraith 352923c42c1SMike Galbraith prompt_integer(&tmp, msg); 353923c42c1SMike Galbraith if (tmp >= 0 && tmp <= 100) 354923c42c1SMike Galbraith *target = tmp; 355923c42c1SMike Galbraith } 356923c42c1SMike Galbraith 3571758af10SArnaldo Carvalho de Melo static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) 358923c42c1SMike Galbraith { 359923c42c1SMike Galbraith char *buf = malloc(0), *p; 3601758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; 361ab81f3fdSArnaldo Carvalho de Melo struct rb_node *next; 362923c42c1SMike Galbraith size_t dummy = 0; 363923c42c1SMike Galbraith 364923c42c1SMike Galbraith /* zero counters of active symbol */ 365923c42c1SMike Galbraith if (syme) { 366923c42c1SMike Galbraith __zero_source_counters(syme); 3671758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 368923c42c1SMike Galbraith } 369923c42c1SMike Galbraith 370923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 371923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 372923c42c1SMike Galbraith goto out_free; 373923c42c1SMike Galbraith 374923c42c1SMike Galbraith p = strchr(buf, '\n'); 375923c42c1SMike Galbraith if (p) 376923c42c1SMike Galbraith *p = 0; 377923c42c1SMike Galbraith 3781758af10SArnaldo Carvalho de Melo next = rb_first(&top->sym_evsel->hists.entries); 379ab81f3fdSArnaldo Carvalho de Melo while (next) { 380ab81f3fdSArnaldo Carvalho de Melo n = rb_entry(next, struct hist_entry, rb_node); 381ab81f3fdSArnaldo Carvalho de Melo if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { 382ab81f3fdSArnaldo Carvalho de Melo found = n; 383923c42c1SMike Galbraith break; 384923c42c1SMike Galbraith } 385ab81f3fdSArnaldo Carvalho de Melo next = rb_next(&n->rb_node); 386923c42c1SMike Galbraith } 387923c42c1SMike Galbraith 388923c42c1SMike Galbraith if (!found) { 38966aeb6d5SKirill Smelkov fprintf(stderr, "Sorry, %s is not active.\n", buf); 390923c42c1SMike Galbraith sleep(1); 391923c42c1SMike Galbraith } else 3921758af10SArnaldo Carvalho de Melo perf_top__parse_source(top, found); 393923c42c1SMike Galbraith 394923c42c1SMike Galbraith out_free: 395923c42c1SMike Galbraith free(buf); 396923c42c1SMike Galbraith } 397923c42c1SMike Galbraith 3981758af10SArnaldo Carvalho de Melo static void perf_top__print_mapped_keys(struct perf_top *top) 399923c42c1SMike Galbraith { 400091bd2e9SMike Galbraith char *name = NULL; 401091bd2e9SMike Galbraith 4021758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 4031758af10SArnaldo Carvalho de Melo struct symbol *sym = top->sym_filter_entry->ms.sym; 404091bd2e9SMike Galbraith name = sym->name; 405091bd2e9SMike Galbraith } 406091bd2e9SMike Galbraith 407091bd2e9SMike Galbraith fprintf(stdout, "\nMapped keys:\n"); 4081758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); 4091758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); 410091bd2e9SMike Galbraith 4111758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) 4127289f83cSArnaldo Carvalho de Melo fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); 413091bd2e9SMike Galbraith 4141758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); 415091bd2e9SMike Galbraith 4161758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); 417091bd2e9SMike Galbraith fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); 418091bd2e9SMike Galbraith fprintf(stdout, "\t[S] stop annotation.\n"); 419091bd2e9SMike Galbraith 4208ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4218ffcda17SArnaldo Carvalho de Melo "\t[K] hide kernel_symbols symbols. \t(%s)\n", 4221758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols ? "yes" : "no"); 4238ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4248ffcda17SArnaldo Carvalho de Melo "\t[U] hide user symbols. \t(%s)\n", 4251758af10SArnaldo Carvalho de Melo top->hide_user_symbols ? "yes" : "no"); 4261758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); 427091bd2e9SMike Galbraith fprintf(stdout, "\t[qQ] quit.\n"); 428091bd2e9SMike Galbraith } 429091bd2e9SMike Galbraith 4301758af10SArnaldo Carvalho de Melo static int perf_top__key_mapped(struct perf_top *top, int c) 431091bd2e9SMike Galbraith { 432091bd2e9SMike Galbraith switch (c) { 433091bd2e9SMike Galbraith case 'd': 434091bd2e9SMike Galbraith case 'e': 435091bd2e9SMike Galbraith case 'f': 436091bd2e9SMike Galbraith case 'z': 437091bd2e9SMike Galbraith case 'q': 438091bd2e9SMike Galbraith case 'Q': 4398ffcda17SArnaldo Carvalho de Melo case 'K': 4408ffcda17SArnaldo Carvalho de Melo case 'U': 4416cff0e8dSKirill Smelkov case 'F': 4426cff0e8dSKirill Smelkov case 's': 4436cff0e8dSKirill Smelkov case 'S': 444091bd2e9SMike Galbraith return 1; 445091bd2e9SMike Galbraith case 'E': 4461758af10SArnaldo Carvalho de Melo return top->evlist->nr_entries > 1 ? 1 : 0; 44783a0944fSIngo Molnar default: 44883a0944fSIngo Molnar break; 449091bd2e9SMike Galbraith } 450091bd2e9SMike Galbraith 451091bd2e9SMike Galbraith return 0; 452923c42c1SMike Galbraith } 453923c42c1SMike Galbraith 4541758af10SArnaldo Carvalho de Melo static void perf_top__handle_keypress(struct perf_top *top, int c) 455923c42c1SMike Galbraith { 4561758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) { 457091bd2e9SMike Galbraith struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 458091bd2e9SMike Galbraith struct termios tc, save; 459091bd2e9SMike Galbraith 4601758af10SArnaldo Carvalho de Melo perf_top__print_mapped_keys(top); 461091bd2e9SMike Galbraith fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); 462091bd2e9SMike Galbraith fflush(stdout); 463091bd2e9SMike Galbraith 464091bd2e9SMike Galbraith tcgetattr(0, &save); 465091bd2e9SMike Galbraith tc = save; 466091bd2e9SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 467091bd2e9SMike Galbraith tc.c_cc[VMIN] = 0; 468091bd2e9SMike Galbraith tc.c_cc[VTIME] = 0; 469091bd2e9SMike Galbraith tcsetattr(0, TCSANOW, &tc); 470091bd2e9SMike Galbraith 471091bd2e9SMike Galbraith poll(&stdin_poll, 1, -1); 472091bd2e9SMike Galbraith c = getc(stdin); 473091bd2e9SMike Galbraith 474091bd2e9SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 4751758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) 476091bd2e9SMike Galbraith return; 477091bd2e9SMike Galbraith } 478091bd2e9SMike Galbraith 479923c42c1SMike Galbraith switch (c) { 480923c42c1SMike Galbraith case 'd': 4811758af10SArnaldo Carvalho de Melo prompt_integer(&top->delay_secs, "Enter display delay"); 4821758af10SArnaldo Carvalho de Melo if (top->delay_secs < 1) 4831758af10SArnaldo Carvalho de Melo top->delay_secs = 1; 484923c42c1SMike Galbraith break; 485923c42c1SMike Galbraith case 'e': 4861758af10SArnaldo Carvalho de Melo prompt_integer(&top->print_entries, "Enter display entries (lines)"); 4871758af10SArnaldo Carvalho de Melo if (top->print_entries == 0) { 4881758af10SArnaldo Carvalho de Melo struct sigaction act = { 4891758af10SArnaldo Carvalho de Melo .sa_sigaction = perf_top__sig_winch, 4901758af10SArnaldo Carvalho de Melo .sa_flags = SA_SIGINFO, 4911758af10SArnaldo Carvalho de Melo }; 4921758af10SArnaldo Carvalho de Melo perf_top__sig_winch(SIGWINCH, NULL, top); 4931758af10SArnaldo Carvalho de Melo sigaction(SIGWINCH, &act, NULL); 494509605dbSStephane Eranian } else { 495509605dbSStephane Eranian perf_top__sig_winch(SIGWINCH, NULL, top); 4963b6ed988SArnaldo Carvalho de Melo signal(SIGWINCH, SIG_DFL); 497509605dbSStephane Eranian } 498923c42c1SMike Galbraith break; 499923c42c1SMike Galbraith case 'E': 5001758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) { 501ce2d17caSAkihiro Nagai /* Select 0 as the default event: */ 502ce2d17caSAkihiro Nagai int counter = 0; 503ce2d17caSAkihiro Nagai 504923c42c1SMike Galbraith fprintf(stderr, "\nAvailable events:"); 50569aad6f1SArnaldo Carvalho de Melo 5061758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 5077289f83cSArnaldo Carvalho de Melo fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); 508923c42c1SMike Galbraith 509ec52d976SArnaldo Carvalho de Melo prompt_integer(&counter, "Enter details event counter"); 510923c42c1SMike Galbraith 5111758af10SArnaldo Carvalho de Melo if (counter >= top->evlist->nr_entries) { 5120c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 5137289f83cSArnaldo Carvalho de Melo fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); 514923c42c1SMike Galbraith sleep(1); 51569aad6f1SArnaldo Carvalho de Melo break; 516923c42c1SMike Galbraith } 5171758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 5181758af10SArnaldo Carvalho de Melo if (top->sym_evsel->idx == counter) 51969aad6f1SArnaldo Carvalho de Melo break; 520ec52d976SArnaldo Carvalho de Melo } else 5210c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 522923c42c1SMike Galbraith break; 523923c42c1SMike Galbraith case 'f': 5241758af10SArnaldo Carvalho de Melo prompt_integer(&top->count_filter, "Enter display event count filter"); 525923c42c1SMike Galbraith break; 526923c42c1SMike Galbraith case 'F': 5271758af10SArnaldo Carvalho de Melo prompt_percent(&top->sym_pcnt_filter, 5281758af10SArnaldo Carvalho de Melo "Enter details display event filter (percent)"); 529923c42c1SMike Galbraith break; 5308ffcda17SArnaldo Carvalho de Melo case 'K': 5311758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols = !top->hide_kernel_symbols; 5328ffcda17SArnaldo Carvalho de Melo break; 533923c42c1SMike Galbraith case 'q': 534923c42c1SMike Galbraith case 'Q': 535923c42c1SMike Galbraith printf("exiting.\n"); 5361758af10SArnaldo Carvalho de Melo if (top->dump_symtab) 5371758af10SArnaldo Carvalho de Melo perf_session__fprintf_dsos(top->session, stderr); 538923c42c1SMike Galbraith exit(0); 539923c42c1SMike Galbraith case 's': 5401758af10SArnaldo Carvalho de Melo perf_top__prompt_symbol(top, "Enter details symbol"); 541923c42c1SMike Galbraith break; 542923c42c1SMike Galbraith case 'S': 5431758af10SArnaldo Carvalho de Melo if (!top->sym_filter_entry) 544923c42c1SMike Galbraith break; 545923c42c1SMike Galbraith else { 5461758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry; 547923c42c1SMike Galbraith 5481758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 549923c42c1SMike Galbraith __zero_source_counters(syme); 550923c42c1SMike Galbraith } 551923c42c1SMike Galbraith break; 5528ffcda17SArnaldo Carvalho de Melo case 'U': 5531758af10SArnaldo Carvalho de Melo top->hide_user_symbols = !top->hide_user_symbols; 5548ffcda17SArnaldo Carvalho de Melo break; 555923c42c1SMike Galbraith case 'z': 5561758af10SArnaldo Carvalho de Melo top->zero = !top->zero; 557923c42c1SMike Galbraith break; 55883a0944fSIngo Molnar default: 55983a0944fSIngo Molnar break; 560923c42c1SMike Galbraith } 561923c42c1SMike Galbraith } 562923c42c1SMike Galbraith 563ab81f3fdSArnaldo Carvalho de Melo static void perf_top__sort_new_samples(void *arg) 564ab81f3fdSArnaldo Carvalho de Melo { 565ab81f3fdSArnaldo Carvalho de Melo struct perf_top *t = arg; 566ab81f3fdSArnaldo Carvalho de Melo perf_top__reset_sample_counters(t); 567ab81f3fdSArnaldo Carvalho de Melo 568ab81f3fdSArnaldo Carvalho de Melo if (t->evlist->selected != NULL) 569ab81f3fdSArnaldo Carvalho de Melo t->sym_evsel = t->evlist->selected; 570ab81f3fdSArnaldo Carvalho de Melo 571ab81f3fdSArnaldo Carvalho de Melo hists__collapse_resort_threaded(&t->sym_evsel->hists); 572ab81f3fdSArnaldo Carvalho de Melo hists__output_resort_threaded(&t->sym_evsel->hists); 573b079d4e9SArnaldo Carvalho de Melo hists__decay_entries_threaded(&t->sym_evsel->hists, 5741758af10SArnaldo Carvalho de Melo t->hide_user_symbols, 5751758af10SArnaldo Carvalho de Melo t->hide_kernel_symbols); 576ab81f3fdSArnaldo Carvalho de Melo } 577ab81f3fdSArnaldo Carvalho de Melo 5781758af10SArnaldo Carvalho de Melo static void *display_thread_tui(void *arg) 579c0443df1SArnaldo Carvalho de Melo { 5800d37aa34SArnaldo Carvalho de Melo struct perf_evsel *pos; 5811758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 582ab81f3fdSArnaldo Carvalho de Melo const char *help = "For a higher level overview, try: perf top --sort comm,dso"; 583ab81f3fdSArnaldo Carvalho de Melo 5841758af10SArnaldo Carvalho de Melo perf_top__sort_new_samples(top); 5850d37aa34SArnaldo Carvalho de Melo 5860d37aa34SArnaldo Carvalho de Melo /* 5870d37aa34SArnaldo Carvalho de Melo * Initialize the uid_filter_str, in the future the TUI will allow 5880d37aa34SArnaldo Carvalho de Melo * Zooming in/out UIDs. For now juse use whatever the user passed 5890d37aa34SArnaldo Carvalho de Melo * via --uid. 5900d37aa34SArnaldo Carvalho de Melo */ 5910d37aa34SArnaldo Carvalho de Melo list_for_each_entry(pos, &top->evlist->entries, node) 592fe9d18a7SNamhyung Kim pos->hists.uid_filter_str = top->target.uid_str; 5930d37aa34SArnaldo Carvalho de Melo 5941758af10SArnaldo Carvalho de Melo perf_evlist__tui_browse_hists(top->evlist, help, 595ab81f3fdSArnaldo Carvalho de Melo perf_top__sort_new_samples, 5961758af10SArnaldo Carvalho de Melo top, top->delay_secs); 597ab81f3fdSArnaldo Carvalho de Melo 598c0443df1SArnaldo Carvalho de Melo exit_browser(0); 599c0443df1SArnaldo Carvalho de Melo exit(0); 600c0443df1SArnaldo Carvalho de Melo return NULL; 601c0443df1SArnaldo Carvalho de Melo } 602c0443df1SArnaldo Carvalho de Melo 6031758af10SArnaldo Carvalho de Melo static void *display_thread(void *arg) 60486470930SIngo Molnar { 60586470930SIngo Molnar struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 606923c42c1SMike Galbraith struct termios tc, save; 6071758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 608923c42c1SMike Galbraith int delay_msecs, c; 60986470930SIngo Molnar 610923c42c1SMike Galbraith tcgetattr(0, &save); 611923c42c1SMike Galbraith tc = save; 612923c42c1SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 613923c42c1SMike Galbraith tc.c_cc[VMIN] = 0; 614923c42c1SMike Galbraith tc.c_cc[VTIME] = 0; 615091bd2e9SMike Galbraith 6163af6e338SArnaldo Carvalho de Melo pthread__unblock_sigwinch(); 617923c42c1SMike Galbraith repeat: 6181758af10SArnaldo Carvalho de Melo delay_msecs = top->delay_secs * 1000; 619923c42c1SMike Galbraith tcsetattr(0, TCSANOW, &tc); 620923c42c1SMike Galbraith /* trash return*/ 621923c42c1SMike Galbraith getc(stdin); 62286470930SIngo Molnar 6233af6e338SArnaldo Carvalho de Melo while (1) { 6241758af10SArnaldo Carvalho de Melo perf_top__print_sym_table(top); 6253af6e338SArnaldo Carvalho de Melo /* 6263af6e338SArnaldo Carvalho de Melo * Either timeout expired or we got an EINTR due to SIGWINCH, 6273af6e338SArnaldo Carvalho de Melo * refresh screen in both cases. 6283af6e338SArnaldo Carvalho de Melo */ 6293af6e338SArnaldo Carvalho de Melo switch (poll(&stdin_poll, 1, delay_msecs)) { 6303af6e338SArnaldo Carvalho de Melo case 0: 6313af6e338SArnaldo Carvalho de Melo continue; 6323af6e338SArnaldo Carvalho de Melo case -1: 6333af6e338SArnaldo Carvalho de Melo if (errno == EINTR) 6343af6e338SArnaldo Carvalho de Melo continue; 6353af6e338SArnaldo Carvalho de Melo /* Fall trhu */ 6363af6e338SArnaldo Carvalho de Melo default: 6373af6e338SArnaldo Carvalho de Melo goto process_hotkey; 6383af6e338SArnaldo Carvalho de Melo } 6393af6e338SArnaldo Carvalho de Melo } 6403af6e338SArnaldo Carvalho de Melo process_hotkey: 641923c42c1SMike Galbraith c = getc(stdin); 642923c42c1SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 643923c42c1SMike Galbraith 6441758af10SArnaldo Carvalho de Melo perf_top__handle_keypress(top, c); 645923c42c1SMike Galbraith goto repeat; 64686470930SIngo Molnar 64786470930SIngo Molnar return NULL; 64886470930SIngo Molnar } 64986470930SIngo Molnar 6502ab52083SAnton Blanchard /* Tag samples to be skipped. */ 651f37a291cSIngo Molnar static const char *skip_symbols[] = { 6524bea8b5cSArnaldo Carvalho de Melo "intel_idle", 6532ab52083SAnton Blanchard "default_idle", 654b0e8572fSArnaldo Carvalho de Melo "native_safe_halt", 6552ab52083SAnton Blanchard "cpu_idle", 6562ab52083SAnton Blanchard "enter_idle", 6572ab52083SAnton Blanchard "exit_idle", 6582ab52083SAnton Blanchard "mwait_idle", 65959b90056SArnaldo Carvalho de Melo "mwait_idle_with_hints", 6608357275bSArnaldo Carvalho de Melo "poll_idle", 6613a3393efSAnton Blanchard "ppc64_runlatch_off", 6623a3393efSAnton Blanchard "pseries_dedicated_idle_sleep", 6632ab52083SAnton Blanchard NULL 6642ab52083SAnton Blanchard }; 6652ab52083SAnton Blanchard 666ab81f3fdSArnaldo Carvalho de Melo static int symbol_filter(struct map *map __used, struct symbol *sym) 66786470930SIngo Molnar { 66886470930SIngo Molnar const char *name = sym->name; 6692ab52083SAnton Blanchard int i; 67086470930SIngo Molnar 6713a3393efSAnton Blanchard /* 6723a3393efSAnton Blanchard * ppc64 uses function descriptors and appends a '.' to the 6733a3393efSAnton Blanchard * start of every instruction address. Remove it. 6743a3393efSAnton Blanchard */ 6753a3393efSAnton Blanchard if (name[0] == '.') 6763a3393efSAnton Blanchard name++; 6773a3393efSAnton Blanchard 67886470930SIngo Molnar if (!strcmp(name, "_text") || 67986470930SIngo Molnar !strcmp(name, "_etext") || 68086470930SIngo Molnar !strcmp(name, "_sinittext") || 68186470930SIngo Molnar !strncmp("init_module", name, 11) || 68286470930SIngo Molnar !strncmp("cleanup_module", name, 14) || 68386470930SIngo Molnar strstr(name, "_text_start") || 68486470930SIngo Molnar strstr(name, "_text_end")) 68586470930SIngo Molnar return 1; 68686470930SIngo Molnar 6872ab52083SAnton Blanchard for (i = 0; skip_symbols[i]; i++) { 6882ab52083SAnton Blanchard if (!strcmp(skip_symbols[i], name)) { 689171b3be9SArnaldo Carvalho de Melo sym->ignore = true; 6902ab52083SAnton Blanchard break; 6912ab52083SAnton Blanchard } 6922ab52083SAnton Blanchard } 69386470930SIngo Molnar 69486470930SIngo Molnar return 0; 69586470930SIngo Molnar } 69686470930SIngo Molnar 6971758af10SArnaldo Carvalho de Melo static void perf_event__process_sample(struct perf_tool *tool, 6981758af10SArnaldo Carvalho de Melo const union perf_event *event, 6997b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel, 7008d50e5b4SArnaldo Carvalho de Melo struct perf_sample *sample, 701743eb868SArnaldo Carvalho de Melo struct machine *machine) 70286470930SIngo Molnar { 7031758af10SArnaldo Carvalho de Melo struct perf_top *top = container_of(tool, struct perf_top, tool); 70419d4ac3cSArnaldo Carvalho de Melo struct symbol *parent = NULL; 7058115d60cSArnaldo Carvalho de Melo u64 ip = event->ip.ip; 7061ed091c4SArnaldo Carvalho de Melo struct addr_location al; 70719d4ac3cSArnaldo Carvalho de Melo int err; 7085b2bb75aSArnaldo Carvalho de Melo 70923346f21SArnaldo Carvalho de Melo if (!machine && perf_guest) { 7106b118e92SDavid Ahern static struct intlist *seen; 7116b118e92SDavid Ahern 7126b118e92SDavid Ahern if (!seen) 7136b118e92SDavid Ahern seen = intlist__new(); 7146b118e92SDavid Ahern 7156b118e92SDavid Ahern if (!intlist__has_entry(seen, event->ip.pid)) { 716a1645ce1SZhang, Yanmin pr_err("Can't find guest [%d]'s kernel information\n", 7178115d60cSArnaldo Carvalho de Melo event->ip.pid); 7186b118e92SDavid Ahern intlist__add(seen, event->ip.pid); 7196b118e92SDavid Ahern } 720a1645ce1SZhang, Yanmin return; 721a1645ce1SZhang, Yanmin } 722a1645ce1SZhang, Yanmin 7230c095715SJoerg Roedel if (!machine) { 7240c095715SJoerg Roedel pr_err("%u unprocessable samples recorded.", 7250c095715SJoerg Roedel top->session->hists.stats.nr_unprocessable_samples++); 7260c095715SJoerg Roedel return; 7270c095715SJoerg Roedel } 7280c095715SJoerg Roedel 7298115d60cSArnaldo Carvalho de Melo if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) 7301758af10SArnaldo Carvalho de Melo top->exact_samples++; 7311676b8a0SPeter Zijlstra 732743eb868SArnaldo Carvalho de Melo if (perf_event__preprocess_sample(event, machine, &al, sample, 73341a37e20SArnaldo Carvalho de Melo symbol_filter) < 0 || 73472b8fa17SArnaldo Carvalho de Melo al.filtered) 7351ed091c4SArnaldo Carvalho de Melo return; 73686470930SIngo Molnar 7371758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && 7385f6f5580SArnaldo Carvalho de Melo symbol_conf.kptr_restrict && 7395f6f5580SArnaldo Carvalho de Melo al.cpumode == PERF_RECORD_MISC_KERNEL) { 7405f6f5580SArnaldo Carvalho de Melo ui__warning( 7415f6f5580SArnaldo Carvalho de Melo "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" 7425f6f5580SArnaldo Carvalho de Melo "Check /proc/sys/kernel/kptr_restrict.\n\n" 7435f6f5580SArnaldo Carvalho de Melo "Kernel%s samples will not be resolved.\n", 7445f6f5580SArnaldo Carvalho de Melo !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? 7455f6f5580SArnaldo Carvalho de Melo " modules" : ""); 7465f6f5580SArnaldo Carvalho de Melo if (use_browser <= 0) 7475f6f5580SArnaldo Carvalho de Melo sleep(5); 7481758af10SArnaldo Carvalho de Melo top->kptr_restrict_warned = true; 7495f6f5580SArnaldo Carvalho de Melo } 7505f6f5580SArnaldo Carvalho de Melo 75172b8fa17SArnaldo Carvalho de Melo if (al.sym == NULL) { 752e4a338d0SArnaldo Carvalho de Melo const char *msg = "Kernel samples will not be resolved.\n"; 75372b8fa17SArnaldo Carvalho de Melo /* 75472b8fa17SArnaldo Carvalho de Melo * As we do lazy loading of symtabs we only will know if the 75572b8fa17SArnaldo Carvalho de Melo * specified vmlinux file is invalid when we actually have a 75672b8fa17SArnaldo Carvalho de Melo * hit in kernel space and then try to load it. So if we get 75772b8fa17SArnaldo Carvalho de Melo * here and there are _no_ symbols in the DSO backing the 75872b8fa17SArnaldo Carvalho de Melo * kernel map, bail out. 75972b8fa17SArnaldo Carvalho de Melo * 76072b8fa17SArnaldo Carvalho de Melo * We may never get here, for instance, if we use -K/ 76172b8fa17SArnaldo Carvalho de Melo * --hide-kernel-symbols, even if the user specifies an 76272b8fa17SArnaldo Carvalho de Melo * invalid --vmlinux ;-) 76372b8fa17SArnaldo Carvalho de Melo */ 7641758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && !top->vmlinux_warned && 765e4a338d0SArnaldo Carvalho de Melo al.map == machine->vmlinux_maps[MAP__FUNCTION] && 76672b8fa17SArnaldo Carvalho de Melo RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { 767e4a338d0SArnaldo Carvalho de Melo if (symbol_conf.vmlinux_name) { 768e4a338d0SArnaldo Carvalho de Melo ui__warning("The %s file can't be used.\n%s", 769e4a338d0SArnaldo Carvalho de Melo symbol_conf.vmlinux_name, msg); 770e4a338d0SArnaldo Carvalho de Melo } else { 771e4a338d0SArnaldo Carvalho de Melo ui__warning("A vmlinux file was not found.\n%s", 772e4a338d0SArnaldo Carvalho de Melo msg); 773e4a338d0SArnaldo Carvalho de Melo } 774e4a338d0SArnaldo Carvalho de Melo 775e4a338d0SArnaldo Carvalho de Melo if (use_browser <= 0) 776e4a338d0SArnaldo Carvalho de Melo sleep(5); 7771758af10SArnaldo Carvalho de Melo top->vmlinux_warned = true; 77872b8fa17SArnaldo Carvalho de Melo } 77972b8fa17SArnaldo Carvalho de Melo } 78072b8fa17SArnaldo Carvalho de Melo 781ab81f3fdSArnaldo Carvalho de Melo if (al.sym == NULL || !al.sym->ignore) { 782ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 78370db7533SArnaldo Carvalho de Melo 78419d4ac3cSArnaldo Carvalho de Melo if ((sort__has_parent || symbol_conf.use_callchain) && 78519d4ac3cSArnaldo Carvalho de Melo sample->callchain) { 78671ad0f5eSJiri Olsa err = machine__resolve_callchain(machine, evsel, 78771ad0f5eSJiri Olsa al.thread, sample, 78871ad0f5eSJiri Olsa &parent); 78971ad0f5eSJiri Olsa 79019d4ac3cSArnaldo Carvalho de Melo if (err) 79119d4ac3cSArnaldo Carvalho de Melo return; 79219d4ac3cSArnaldo Carvalho de Melo } 79319d4ac3cSArnaldo Carvalho de Melo 794743eb868SArnaldo Carvalho de Melo he = perf_evsel__add_hist_entry(evsel, &al, sample); 795ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) { 796ab81f3fdSArnaldo Carvalho de Melo pr_err("Problem incrementing symbol period, skipping event\n"); 797ab81f3fdSArnaldo Carvalho de Melo return; 7985807806aSArnaldo Carvalho de Melo } 799ab81f3fdSArnaldo Carvalho de Melo 80019d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 80147260645SNamhyung Kim err = callchain_append(he->callchain, &callchain_cursor, 80219d4ac3cSArnaldo Carvalho de Melo sample->period); 80319d4ac3cSArnaldo Carvalho de Melo if (err) 80419d4ac3cSArnaldo Carvalho de Melo return; 80519d4ac3cSArnaldo Carvalho de Melo } 80619d4ac3cSArnaldo Carvalho de Melo 8071758af10SArnaldo Carvalho de Melo if (top->sort_has_symbols) 8081758af10SArnaldo Carvalho de Melo perf_top__record_precise_ip(top, he, evsel->idx, ip); 8095807806aSArnaldo Carvalho de Melo } 810ab81f3fdSArnaldo Carvalho de Melo 811ab81f3fdSArnaldo Carvalho de Melo return; 81286470930SIngo Molnar } 81386470930SIngo Molnar 8141758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read_idx(struct perf_top *top, int idx) 81586470930SIngo Molnar { 8168d50e5b4SArnaldo Carvalho de Melo struct perf_sample sample; 8177b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel; 8181758af10SArnaldo Carvalho de Melo struct perf_session *session = top->session; 8198115d60cSArnaldo Carvalho de Melo union perf_event *event; 820743eb868SArnaldo Carvalho de Melo struct machine *machine; 821743eb868SArnaldo Carvalho de Melo u8 origin; 8225538becaSFrederic Weisbecker int ret; 82386470930SIngo Molnar 8241758af10SArnaldo Carvalho de Melo while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { 825cb0b29e0SArnaldo Carvalho de Melo ret = perf_evlist__parse_sample(top->evlist, event, &sample, false); 8265538becaSFrederic Weisbecker if (ret) { 8275538becaSFrederic Weisbecker pr_err("Can't parse sample, err = %d\n", ret); 8285538becaSFrederic Weisbecker continue; 8295538becaSFrederic Weisbecker } 83004391debSArnaldo Carvalho de Melo 8311758af10SArnaldo Carvalho de Melo evsel = perf_evlist__id2evsel(session->evlist, sample.id); 8327b27509fSArnaldo Carvalho de Melo assert(evsel != NULL); 8337b27509fSArnaldo Carvalho de Melo 834743eb868SArnaldo Carvalho de Melo origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; 835743eb868SArnaldo Carvalho de Melo 8365b2bb75aSArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) 8371758af10SArnaldo Carvalho de Melo ++top->samples; 838743eb868SArnaldo Carvalho de Melo 839743eb868SArnaldo Carvalho de Melo switch (origin) { 840743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_USER: 8411758af10SArnaldo Carvalho de Melo ++top->us_samples; 8421758af10SArnaldo Carvalho de Melo if (top->hide_user_symbols) 843743eb868SArnaldo Carvalho de Melo continue; 8441758af10SArnaldo Carvalho de Melo machine = perf_session__find_host_machine(session); 845743eb868SArnaldo Carvalho de Melo break; 846743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_KERNEL: 8471758af10SArnaldo Carvalho de Melo ++top->kernel_samples; 8481758af10SArnaldo Carvalho de Melo if (top->hide_kernel_symbols) 849743eb868SArnaldo Carvalho de Melo continue; 8501758af10SArnaldo Carvalho de Melo machine = perf_session__find_host_machine(session); 851743eb868SArnaldo Carvalho de Melo break; 852743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_KERNEL: 8531758af10SArnaldo Carvalho de Melo ++top->guest_kernel_samples; 8541758af10SArnaldo Carvalho de Melo machine = perf_session__find_machine(session, event->ip.pid); 855743eb868SArnaldo Carvalho de Melo break; 856743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_USER: 8571758af10SArnaldo Carvalho de Melo ++top->guest_us_samples; 858743eb868SArnaldo Carvalho de Melo /* 859743eb868SArnaldo Carvalho de Melo * TODO: we don't process guest user from host side 860743eb868SArnaldo Carvalho de Melo * except simple counting. 861743eb868SArnaldo Carvalho de Melo */ 862743eb868SArnaldo Carvalho de Melo /* Fall thru */ 863743eb868SArnaldo Carvalho de Melo default: 864743eb868SArnaldo Carvalho de Melo continue; 865743eb868SArnaldo Carvalho de Melo } 866743eb868SArnaldo Carvalho de Melo 867743eb868SArnaldo Carvalho de Melo 8681758af10SArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) { 8691758af10SArnaldo Carvalho de Melo perf_event__process_sample(&top->tool, event, evsel, 8701758af10SArnaldo Carvalho de Melo &sample, machine); 8711758af10SArnaldo Carvalho de Melo } else if (event->header.type < PERF_RECORD_MAX) { 8727b27509fSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, event->header.type); 8731758af10SArnaldo Carvalho de Melo perf_event__process(&top->tool, event, &sample, machine); 8747b27509fSArnaldo Carvalho de Melo } else 8751758af10SArnaldo Carvalho de Melo ++session->hists.stats.nr_unknown_events; 87686470930SIngo Molnar } 87786470930SIngo Molnar } 87886470930SIngo Molnar 8791758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read(struct perf_top *top) 8802f01190aSFrederic Weisbecker { 88170db7533SArnaldo Carvalho de Melo int i; 8822f01190aSFrederic Weisbecker 8831758af10SArnaldo Carvalho de Melo for (i = 0; i < top->evlist->nr_mmaps; i++) 8841758af10SArnaldo Carvalho de Melo perf_top__mmap_read_idx(top, i); 8852f01190aSFrederic Weisbecker } 8862f01190aSFrederic Weisbecker 8871758af10SArnaldo Carvalho de Melo static void perf_top__start_counters(struct perf_top *top) 88872cb7013SArnaldo Carvalho de Melo { 8896a4bb04cSJiri Olsa struct perf_evsel *counter; 8901758af10SArnaldo Carvalho de Melo struct perf_evlist *evlist = top->evlist; 891727ab04eSArnaldo Carvalho de Melo 8926a4bb04cSJiri Olsa if (top->group) 89363dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evlist); 89472cb7013SArnaldo Carvalho de Melo 89572cb7013SArnaldo Carvalho de Melo list_for_each_entry(counter, &evlist->entries, node) { 89672cb7013SArnaldo Carvalho de Melo struct perf_event_attr *attr = &counter->attr; 89772cb7013SArnaldo Carvalho de Melo 89872cb7013SArnaldo Carvalho de Melo attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; 89972cb7013SArnaldo Carvalho de Melo 9001758af10SArnaldo Carvalho de Melo if (top->freq) { 90172cb7013SArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_PERIOD; 90272cb7013SArnaldo Carvalho de Melo attr->freq = 1; 9031758af10SArnaldo Carvalho de Melo attr->sample_freq = top->freq; 90472cb7013SArnaldo Carvalho de Melo } 90572cb7013SArnaldo Carvalho de Melo 90670db7533SArnaldo Carvalho de Melo if (evlist->nr_entries > 1) { 90770db7533SArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_ID; 90870db7533SArnaldo Carvalho de Melo attr->read_format |= PERF_FORMAT_ID; 90970db7533SArnaldo Carvalho de Melo } 91070db7533SArnaldo Carvalho de Melo 911e40ee742SNamhyung Kim if (perf_target__has_cpu(&top->target)) 912e40ee742SNamhyung Kim attr->sample_type |= PERF_SAMPLE_CPU; 913e40ee742SNamhyung Kim 91419d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) 91519d4ac3cSArnaldo Carvalho de Melo attr->sample_type |= PERF_SAMPLE_CALLCHAIN; 91619d4ac3cSArnaldo Carvalho de Melo 91772cb7013SArnaldo Carvalho de Melo attr->mmap = 1; 918ab81f3fdSArnaldo Carvalho de Melo attr->comm = 1; 9191758af10SArnaldo Carvalho de Melo attr->inherit = top->inherit; 9200c978128SArnaldo Carvalho de Melo fallback_missing_features: 9210c978128SArnaldo Carvalho de Melo if (top->exclude_guest_missing) 9220c978128SArnaldo Carvalho de Melo attr->exclude_guest = attr->exclude_host = 0; 9237b27509fSArnaldo Carvalho de Melo retry_sample_id: 924808e1226SArnaldo Carvalho de Melo attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; 92572cb7013SArnaldo Carvalho de Melo try_again: 9261758af10SArnaldo Carvalho de Melo if (perf_evsel__open(counter, top->evlist->cpus, 9276a4bb04cSJiri Olsa top->evlist->threads) < 0) { 92872cb7013SArnaldo Carvalho de Melo int err = errno; 92972cb7013SArnaldo Carvalho de Melo 930c286c419SArnaldo Carvalho de Melo if (err == EPERM || err == EACCES) { 931b8631e6eSArnaldo Carvalho de Melo ui__error_paranoid(); 932c286c419SArnaldo Carvalho de Melo goto out_err; 9330c978128SArnaldo Carvalho de Melo } else if (err == EINVAL) { 9340c978128SArnaldo Carvalho de Melo if (!top->exclude_guest_missing && 9350c978128SArnaldo Carvalho de Melo (attr->exclude_guest || attr->exclude_host)) { 9360c978128SArnaldo Carvalho de Melo pr_debug("Old kernel, cannot exclude " 9370c978128SArnaldo Carvalho de Melo "guest or host samples.\n"); 9380c978128SArnaldo Carvalho de Melo top->exclude_guest_missing = true; 9390c978128SArnaldo Carvalho de Melo goto fallback_missing_features; 940808e1226SArnaldo Carvalho de Melo } else if (!top->sample_id_all_missing) { 9417b27509fSArnaldo Carvalho de Melo /* 9427b27509fSArnaldo Carvalho de Melo * Old kernel, no attr->sample_id_type_all field 9437b27509fSArnaldo Carvalho de Melo */ 944808e1226SArnaldo Carvalho de Melo top->sample_id_all_missing = true; 9457b27509fSArnaldo Carvalho de Melo goto retry_sample_id; 946c286c419SArnaldo Carvalho de Melo } 9470c978128SArnaldo Carvalho de Melo } 94872cb7013SArnaldo Carvalho de Melo /* 94972cb7013SArnaldo Carvalho de Melo * If it's cycles then fall back to hrtimer 95072cb7013SArnaldo Carvalho de Melo * based cpu-clock-tick sw counter, which 95172cb7013SArnaldo Carvalho de Melo * is always available even if no PMU support: 95272cb7013SArnaldo Carvalho de Melo */ 9531a31fc90SDavid Ahern if ((err == ENOENT || err == ENXIO) && 9541a31fc90SDavid Ahern (attr->type == PERF_TYPE_HARDWARE) && 9551a31fc90SDavid Ahern (attr->config == PERF_COUNT_HW_CPU_CYCLES)) { 9561a31fc90SDavid Ahern 95772cb7013SArnaldo Carvalho de Melo if (verbose) 958c286c419SArnaldo Carvalho de Melo ui__warning("Cycles event not supported,\n" 959c286c419SArnaldo Carvalho de Melo "trying to fall back to cpu-clock-ticks\n"); 96072cb7013SArnaldo Carvalho de Melo 96172cb7013SArnaldo Carvalho de Melo attr->type = PERF_TYPE_SOFTWARE; 96272cb7013SArnaldo Carvalho de Melo attr->config = PERF_COUNT_SW_CPU_CLOCK; 96340491eaaSDavid Ahern if (counter->name) { 96440491eaaSDavid Ahern free(counter->name); 965895d9766SArnaldo Carvalho de Melo counter->name = NULL; 96640491eaaSDavid Ahern } 96772cb7013SArnaldo Carvalho de Melo goto try_again; 96872cb7013SArnaldo Carvalho de Melo } 969c286c419SArnaldo Carvalho de Melo 970ca6a4258SDavid Ahern if (err == ENOENT) { 9713780f488SNamhyung Kim ui__error("The %s event is not supported.\n", 9727289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 973ca6a4258SDavid Ahern goto out_err; 974cdce4459SNamhyung Kim } else if (err == EMFILE) { 9753780f488SNamhyung Kim ui__error("Too many events are opened.\n" 976cdce4459SNamhyung Kim "Try again after reducing the number of events\n"); 977cdce4459SNamhyung Kim goto out_err; 978ca6a4258SDavid Ahern } 979ca6a4258SDavid Ahern 9803780f488SNamhyung Kim ui__error("The sys_perf_event_open() syscall " 981c286c419SArnaldo Carvalho de Melo "returned with %d (%s). /bin/dmesg " 982c286c419SArnaldo Carvalho de Melo "may provide additional information.\n" 983c286c419SArnaldo Carvalho de Melo "No CONFIG_PERF_EVENTS=y kernel support " 984c286c419SArnaldo Carvalho de Melo "configured?\n", err, strerror(err)); 985c286c419SArnaldo Carvalho de Melo goto out_err; 98672cb7013SArnaldo Carvalho de Melo } 98772cb7013SArnaldo Carvalho de Melo } 98870db7533SArnaldo Carvalho de Melo 9891758af10SArnaldo Carvalho de Melo if (perf_evlist__mmap(evlist, top->mmap_pages, false) < 0) { 9903780f488SNamhyung Kim ui__error("Failed to mmap with %d (%s)\n", 991c286c419SArnaldo Carvalho de Melo errno, strerror(errno)); 992c286c419SArnaldo Carvalho de Melo goto out_err; 993c286c419SArnaldo Carvalho de Melo } 994c286c419SArnaldo Carvalho de Melo 995c286c419SArnaldo Carvalho de Melo return; 996c286c419SArnaldo Carvalho de Melo 997c286c419SArnaldo Carvalho de Melo out_err: 998c286c419SArnaldo Carvalho de Melo exit_browser(0); 999c286c419SArnaldo Carvalho de Melo exit(0); 100072cb7013SArnaldo Carvalho de Melo } 100172cb7013SArnaldo Carvalho de Melo 10021758af10SArnaldo Carvalho de Melo static int perf_top__setup_sample_type(struct perf_top *top) 100319d4ac3cSArnaldo Carvalho de Melo { 10041758af10SArnaldo Carvalho de Melo if (!top->sort_has_symbols) { 100519d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 10063780f488SNamhyung Kim ui__error("Selected -g but \"sym\" not present in --sort/-s."); 100719d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 100819d4ac3cSArnaldo Carvalho de Melo } 10091758af10SArnaldo Carvalho de Melo } else if (!top->dont_use_callchains && callchain_param.mode != CHAIN_NONE) { 101019d4ac3cSArnaldo Carvalho de Melo if (callchain_register_param(&callchain_param) < 0) { 10113780f488SNamhyung Kim ui__error("Can't register callchain params.\n"); 101219d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 101319d4ac3cSArnaldo Carvalho de Melo } 101419d4ac3cSArnaldo Carvalho de Melo } 101519d4ac3cSArnaldo Carvalho de Melo 101619d4ac3cSArnaldo Carvalho de Melo return 0; 101719d4ac3cSArnaldo Carvalho de Melo } 101819d4ac3cSArnaldo Carvalho de Melo 10191758af10SArnaldo Carvalho de Melo static int __cmd_top(struct perf_top *top) 1020716c69feSIngo Molnar { 1021716c69feSIngo Molnar pthread_t thread; 102219d4ac3cSArnaldo Carvalho de Melo int ret; 1023d8f66248SArnaldo Carvalho de Melo /* 1024b3165f41SArnaldo Carvalho de Melo * FIXME: perf_session__new should allow passing a O_MMAP, so that all this 1025b3165f41SArnaldo Carvalho de Melo * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. 1026d8f66248SArnaldo Carvalho de Melo */ 10271758af10SArnaldo Carvalho de Melo top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); 10281758af10SArnaldo Carvalho de Melo if (top->session == NULL) 1029b3165f41SArnaldo Carvalho de Melo return -ENOMEM; 1030716c69feSIngo Molnar 10311758af10SArnaldo Carvalho de Melo ret = perf_top__setup_sample_type(top); 103219d4ac3cSArnaldo Carvalho de Melo if (ret) 103319d4ac3cSArnaldo Carvalho de Melo goto out_delete; 103419d4ac3cSArnaldo Carvalho de Melo 1035aa22dd49SNamhyung Kim if (perf_target__has_task(&top->target)) 10361758af10SArnaldo Carvalho de Melo perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, 1037743eb868SArnaldo Carvalho de Melo perf_event__process, 10381758af10SArnaldo Carvalho de Melo &top->session->host_machine); 10395b2bb75aSArnaldo Carvalho de Melo else 10401758af10SArnaldo Carvalho de Melo perf_event__synthesize_threads(&top->tool, perf_event__process, 10411758af10SArnaldo Carvalho de Melo &top->session->host_machine); 10421758af10SArnaldo Carvalho de Melo perf_top__start_counters(top); 10431758af10SArnaldo Carvalho de Melo top->session->evlist = top->evlist; 10447b56cce2SArnaldo Carvalho de Melo perf_session__set_id_hdr_size(top->session); 104586470930SIngo Molnar 10462f01190aSFrederic Weisbecker /* Wait for a minimal set of events before starting the snapshot */ 10471758af10SArnaldo Carvalho de Melo poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 10482f01190aSFrederic Weisbecker 10491758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 10502f01190aSFrederic Weisbecker 1051c0443df1SArnaldo Carvalho de Melo if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : 10521758af10SArnaldo Carvalho de Melo display_thread), top)) { 10533780f488SNamhyung Kim ui__error("Could not create display thread.\n"); 105486470930SIngo Molnar exit(-1); 105586470930SIngo Molnar } 105686470930SIngo Molnar 10571758af10SArnaldo Carvalho de Melo if (top->realtime_prio) { 105886470930SIngo Molnar struct sched_param param; 105986470930SIngo Molnar 10601758af10SArnaldo Carvalho de Melo param.sched_priority = top->realtime_prio; 106186470930SIngo Molnar if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { 10623780f488SNamhyung Kim ui__error("Could not set realtime priority.\n"); 106386470930SIngo Molnar exit(-1); 106486470930SIngo Molnar } 106586470930SIngo Molnar } 106686470930SIngo Molnar 106786470930SIngo Molnar while (1) { 10681758af10SArnaldo Carvalho de Melo u64 hits = top->samples; 106986470930SIngo Molnar 10701758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 107186470930SIngo Molnar 10721758af10SArnaldo Carvalho de Melo if (hits == top->samples) 10731758af10SArnaldo Carvalho de Melo ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 107486470930SIngo Molnar } 107586470930SIngo Molnar 107619d4ac3cSArnaldo Carvalho de Melo out_delete: 10771758af10SArnaldo Carvalho de Melo perf_session__delete(top->session); 10781758af10SArnaldo Carvalho de Melo top->session = NULL; 107919d4ac3cSArnaldo Carvalho de Melo 108019d4ac3cSArnaldo Carvalho de Melo return 0; 108119d4ac3cSArnaldo Carvalho de Melo } 108219d4ac3cSArnaldo Carvalho de Melo 108319d4ac3cSArnaldo Carvalho de Melo static int 10841758af10SArnaldo Carvalho de Melo parse_callchain_opt(const struct option *opt, const char *arg, int unset) 108519d4ac3cSArnaldo Carvalho de Melo { 10861758af10SArnaldo Carvalho de Melo struct perf_top *top = (struct perf_top *)opt->value; 108719d4ac3cSArnaldo Carvalho de Melo char *tok, *tok2; 108819d4ac3cSArnaldo Carvalho de Melo char *endptr; 108919d4ac3cSArnaldo Carvalho de Melo 109019d4ac3cSArnaldo Carvalho de Melo /* 109119d4ac3cSArnaldo Carvalho de Melo * --no-call-graph 109219d4ac3cSArnaldo Carvalho de Melo */ 109319d4ac3cSArnaldo Carvalho de Melo if (unset) { 10941758af10SArnaldo Carvalho de Melo top->dont_use_callchains = true; 109519d4ac3cSArnaldo Carvalho de Melo return 0; 109619d4ac3cSArnaldo Carvalho de Melo } 109719d4ac3cSArnaldo Carvalho de Melo 109819d4ac3cSArnaldo Carvalho de Melo symbol_conf.use_callchain = true; 109919d4ac3cSArnaldo Carvalho de Melo 110019d4ac3cSArnaldo Carvalho de Melo if (!arg) 110119d4ac3cSArnaldo Carvalho de Melo return 0; 110219d4ac3cSArnaldo Carvalho de Melo 110319d4ac3cSArnaldo Carvalho de Melo tok = strtok((char *)arg, ","); 110419d4ac3cSArnaldo Carvalho de Melo if (!tok) 110519d4ac3cSArnaldo Carvalho de Melo return -1; 110619d4ac3cSArnaldo Carvalho de Melo 110719d4ac3cSArnaldo Carvalho de Melo /* get the output mode */ 110819d4ac3cSArnaldo Carvalho de Melo if (!strncmp(tok, "graph", strlen(arg))) 110919d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_GRAPH_ABS; 111019d4ac3cSArnaldo Carvalho de Melo 111119d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "flat", strlen(arg))) 111219d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_FLAT; 111319d4ac3cSArnaldo Carvalho de Melo 111419d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "fractal", strlen(arg))) 111519d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_GRAPH_REL; 111619d4ac3cSArnaldo Carvalho de Melo 111719d4ac3cSArnaldo Carvalho de Melo else if (!strncmp(tok, "none", strlen(arg))) { 111819d4ac3cSArnaldo Carvalho de Melo callchain_param.mode = CHAIN_NONE; 111919d4ac3cSArnaldo Carvalho de Melo symbol_conf.use_callchain = false; 112019d4ac3cSArnaldo Carvalho de Melo 112119d4ac3cSArnaldo Carvalho de Melo return 0; 1122806fb630SArnaldo Carvalho de Melo } else 112319d4ac3cSArnaldo Carvalho de Melo return -1; 112419d4ac3cSArnaldo Carvalho de Melo 112519d4ac3cSArnaldo Carvalho de Melo /* get the min percentage */ 112619d4ac3cSArnaldo Carvalho de Melo tok = strtok(NULL, ","); 112719d4ac3cSArnaldo Carvalho de Melo if (!tok) 112819d4ac3cSArnaldo Carvalho de Melo goto setup; 112919d4ac3cSArnaldo Carvalho de Melo 113019d4ac3cSArnaldo Carvalho de Melo callchain_param.min_percent = strtod(tok, &endptr); 113119d4ac3cSArnaldo Carvalho de Melo if (tok == endptr) 113219d4ac3cSArnaldo Carvalho de Melo return -1; 113319d4ac3cSArnaldo Carvalho de Melo 113419d4ac3cSArnaldo Carvalho de Melo /* get the print limit */ 113519d4ac3cSArnaldo Carvalho de Melo tok2 = strtok(NULL, ","); 113619d4ac3cSArnaldo Carvalho de Melo if (!tok2) 113719d4ac3cSArnaldo Carvalho de Melo goto setup; 113819d4ac3cSArnaldo Carvalho de Melo 113919d4ac3cSArnaldo Carvalho de Melo if (tok2[0] != 'c') { 114019d4ac3cSArnaldo Carvalho de Melo callchain_param.print_limit = strtod(tok2, &endptr); 114119d4ac3cSArnaldo Carvalho de Melo tok2 = strtok(NULL, ","); 114219d4ac3cSArnaldo Carvalho de Melo if (!tok2) 114319d4ac3cSArnaldo Carvalho de Melo goto setup; 114419d4ac3cSArnaldo Carvalho de Melo } 114519d4ac3cSArnaldo Carvalho de Melo 114619d4ac3cSArnaldo Carvalho de Melo /* get the call chain order */ 114719d4ac3cSArnaldo Carvalho de Melo if (!strcmp(tok2, "caller")) 114819d4ac3cSArnaldo Carvalho de Melo callchain_param.order = ORDER_CALLER; 114919d4ac3cSArnaldo Carvalho de Melo else if (!strcmp(tok2, "callee")) 115019d4ac3cSArnaldo Carvalho de Melo callchain_param.order = ORDER_CALLEE; 115119d4ac3cSArnaldo Carvalho de Melo else 115219d4ac3cSArnaldo Carvalho de Melo return -1; 115319d4ac3cSArnaldo Carvalho de Melo setup: 115419d4ac3cSArnaldo Carvalho de Melo if (callchain_register_param(&callchain_param) < 0) { 115519d4ac3cSArnaldo Carvalho de Melo fprintf(stderr, "Can't register callchain params\n"); 115619d4ac3cSArnaldo Carvalho de Melo return -1; 115719d4ac3cSArnaldo Carvalho de Melo } 115886470930SIngo Molnar return 0; 115986470930SIngo Molnar } 116086470930SIngo Molnar 116186470930SIngo Molnar static const char * const top_usage[] = { 116286470930SIngo Molnar "perf top [<options>]", 116386470930SIngo Molnar NULL 116486470930SIngo Molnar }; 116586470930SIngo Molnar 11661758af10SArnaldo Carvalho de Melo int cmd_top(int argc, const char **argv, const char *prefix __used) 11671758af10SArnaldo Carvalho de Melo { 11681758af10SArnaldo Carvalho de Melo struct perf_evsel *pos; 116916ad2ffbSNamhyung Kim int status; 117016ad2ffbSNamhyung Kim char errbuf[BUFSIZ]; 11711758af10SArnaldo Carvalho de Melo struct perf_top top = { 11721758af10SArnaldo Carvalho de Melo .count_filter = 5, 11731758af10SArnaldo Carvalho de Melo .delay_secs = 2, 1174447a6013SArnaldo Carvalho de Melo .freq = 4000, /* 4 KHz */ 11751758af10SArnaldo Carvalho de Melo .mmap_pages = 128, 11761758af10SArnaldo Carvalho de Melo .sym_pcnt_filter = 5, 1177d1cb9fceSNamhyung Kim .target = { 1178d1cb9fceSNamhyung Kim .uses_mmap = true, 1179d1cb9fceSNamhyung Kim }, 11801758af10SArnaldo Carvalho de Melo }; 11811758af10SArnaldo Carvalho de Melo char callchain_default_opt[] = "fractal,0.5,callee"; 11821758af10SArnaldo Carvalho de Melo const struct option options[] = { 11838c3e10ebSArnaldo Carvalho de Melo OPT_CALLBACK('e', "event", &top.evlist, "event", 118486470930SIngo Molnar "event selector. use 'perf list' to list available events", 1185f120f9d5SJiri Olsa parse_events_option), 11861758af10SArnaldo Carvalho de Melo OPT_INTEGER('c', "count", &top.default_interval, 118786470930SIngo Molnar "event period to sample"), 1188fe9d18a7SNamhyung Kim OPT_STRING('p', "pid", &top.target.pid, "pid", 1189d6d901c2SZhang, Yanmin "profile events on existing process id"), 1190fe9d18a7SNamhyung Kim OPT_STRING('t', "tid", &top.target.tid, "tid", 1191d6d901c2SZhang, Yanmin "profile events on existing thread id"), 1192fe9d18a7SNamhyung Kim OPT_BOOLEAN('a', "all-cpus", &top.target.system_wide, 119386470930SIngo Molnar "system-wide collection from all CPUs"), 1194fe9d18a7SNamhyung Kim OPT_STRING('C', "cpu", &top.target.cpu_list, "cpu", 1195c45c6ea2SStephane Eranian "list of cpus to monitor"), 1196b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1197b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 11988c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, 11998ffcda17SArnaldo Carvalho de Melo "hide kernel symbols"), 12001758af10SArnaldo Carvalho de Melo OPT_UINTEGER('m', "mmap-pages", &top.mmap_pages, "number of mmap data pages"), 12011758af10SArnaldo Carvalho de Melo OPT_INTEGER('r', "realtime", &top.realtime_prio, 120286470930SIngo Molnar "collect data with this RT SCHED_FIFO priority"), 12038c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('d', "delay", &top.delay_secs, 120486470930SIngo Molnar "number of seconds to delay between refreshes"), 12051758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, 120686470930SIngo Molnar "dump the symbol table used for profiling"), 12078c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('f', "count-filter", &top.count_filter, 120886470930SIngo Molnar "only display functions with more events than this"), 12091758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('g', "group", &top.group, 121086470930SIngo Molnar "put the counters into a counter group"), 12111758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('i', "inherit", &top.inherit, 12120fdc7e67SMike Galbraith "child tasks inherit counters"), 12131758af10SArnaldo Carvalho de Melo OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", 12146cff0e8dSKirill Smelkov "symbol to annotate"), 12158c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('z', "zero", &top.zero, 121686470930SIngo Molnar "zero history across updates"), 12178c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('F', "freq", &top.freq, 121886470930SIngo Molnar "profile at this frequency"), 12198c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('E', "entries", &top.print_entries, 122086470930SIngo Molnar "display this many functions"), 12218c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, 12228ffcda17SArnaldo Carvalho de Melo "hide user symbols"), 12231758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), 12241758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), 1225c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 12263da297a6SIngo Molnar "be more verbose (show counter open errors, etc)"), 1227ab81f3fdSArnaldo Carvalho de Melo OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1228ab81f3fdSArnaldo Carvalho de Melo "sort by key(s): pid, comm, dso, symbol, parent"), 1229ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1230ab81f3fdSArnaldo Carvalho de Melo "Show a column with the number of samples"), 12311758af10SArnaldo Carvalho de Melo OPT_CALLBACK_DEFAULT('G', "call-graph", &top, "output_type,min_percent, call_order", 123219d4ac3cSArnaldo Carvalho de Melo "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " 123319d4ac3cSArnaldo Carvalho de Melo "Default: fractal,0.5,callee", &parse_callchain_opt, 123419d4ac3cSArnaldo Carvalho de Melo callchain_default_opt), 1235ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1236ab81f3fdSArnaldo Carvalho de Melo "Show a column with the sum of periods"), 1237ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1238ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these dsos"), 1239ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1240ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these comms"), 1241ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1242ab81f3fdSArnaldo Carvalho de Melo "only consider these symbols"), 124364c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 124464c6f0c7SArnaldo Carvalho de Melo "Interleave source code with assembly code (default)"), 124564c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 124664c6f0c7SArnaldo Carvalho de Melo "Display raw encoding of assembly instructions (default)"), 124764c6f0c7SArnaldo Carvalho de Melo OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 124864c6f0c7SArnaldo Carvalho de Melo "Specify disassembler style (e.g. -M intel for intel syntax)"), 1249fe9d18a7SNamhyung Kim OPT_STRING('u', "uid", &top.target.uid_str, "user", "user to profile"), 125086470930SIngo Molnar OPT_END() 125186470930SIngo Molnar }; 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