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" 29b0a7d1a0SArnaldo Carvalho de Melo #include "util/machine.h" 30b3165f41SArnaldo Carvalho de Melo #include "util/session.h" 31b3165f41SArnaldo Carvalho de Melo #include "util/symbol.h" 32439d473bSArnaldo Carvalho de Melo #include "util/thread.h" 33fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 348c3e10ebSArnaldo Carvalho de Melo #include "util/top.h" 3586470930SIngo Molnar #include "util/util.h" 3643cbcd8aSArnaldo Carvalho de Melo #include <linux/rbtree.h> 3786470930SIngo Molnar #include "util/parse-options.h" 3886470930SIngo Molnar #include "util/parse-events.h" 39a12b51c4SPaul Mackerras #include "util/cpumap.h" 4069aad6f1SArnaldo Carvalho de Melo #include "util/xyarray.h" 41ab81f3fdSArnaldo Carvalho de Melo #include "util/sort.h" 426b118e92SDavid Ahern #include "util/intlist.h" 4386470930SIngo Molnar 448f28827aSFrederic Weisbecker #include "util/debug.h" 458f28827aSFrederic Weisbecker 4686470930SIngo Molnar #include <assert.h> 4731d68e7bSArnaldo Carvalho de Melo #include <elf.h> 4886470930SIngo Molnar #include <fcntl.h> 4986470930SIngo Molnar 5086470930SIngo Molnar #include <stdio.h> 51923c42c1SMike Galbraith #include <termios.h> 52923c42c1SMike Galbraith #include <unistd.h> 539486aa38SArnaldo Carvalho de Melo #include <inttypes.h> 5486470930SIngo Molnar 5586470930SIngo Molnar #include <errno.h> 5686470930SIngo Molnar #include <time.h> 5786470930SIngo Molnar #include <sched.h> 5886470930SIngo Molnar 5986470930SIngo Molnar #include <sys/syscall.h> 6086470930SIngo Molnar #include <sys/ioctl.h> 6186470930SIngo Molnar #include <sys/poll.h> 6286470930SIngo Molnar #include <sys/prctl.h> 6386470930SIngo Molnar #include <sys/wait.h> 6486470930SIngo Molnar #include <sys/uio.h> 6531d68e7bSArnaldo Carvalho de Melo #include <sys/utsname.h> 6686470930SIngo Molnar #include <sys/mman.h> 6786470930SIngo Molnar 6886470930SIngo Molnar #include <linux/unistd.h> 6986470930SIngo Molnar #include <linux/types.h> 7086470930SIngo Molnar 7111859e82SArnaldo Carvalho de Melo static volatile int done; 7211859e82SArnaldo Carvalho de Melo 731758af10SArnaldo Carvalho de Melo static void perf_top__update_print_entries(struct perf_top *top) 743b6ed988SArnaldo Carvalho de Melo { 751758af10SArnaldo Carvalho de Melo if (top->print_entries > 9) 761758af10SArnaldo Carvalho de Melo top->print_entries -= 9; 773b6ed988SArnaldo Carvalho de Melo } 783b6ed988SArnaldo Carvalho de Melo 791d037ca1SIrina Tirdea static void perf_top__sig_winch(int sig __maybe_unused, 801d037ca1SIrina Tirdea siginfo_t *info __maybe_unused, void *arg) 813b6ed988SArnaldo Carvalho de Melo { 821758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 831758af10SArnaldo Carvalho de Melo 841758af10SArnaldo Carvalho de Melo get_term_dimensions(&top->winsize); 85509605dbSStephane Eranian if (!top->print_entries 86509605dbSStephane Eranian || (top->print_entries+4) > top->winsize.ws_row) { 87509605dbSStephane Eranian top->print_entries = top->winsize.ws_row; 88509605dbSStephane Eranian } else { 89509605dbSStephane Eranian top->print_entries += 4; 90509605dbSStephane Eranian top->winsize.ws_row = top->print_entries; 91509605dbSStephane Eranian } 921758af10SArnaldo Carvalho de Melo perf_top__update_print_entries(top); 933b6ed988SArnaldo Carvalho de Melo } 943b6ed988SArnaldo Carvalho de Melo 951758af10SArnaldo Carvalho de Melo static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) 96923c42c1SMike Galbraith { 97923c42c1SMike Galbraith struct symbol *sym; 98ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 99439d473bSArnaldo Carvalho de Melo struct map *map; 10036532461SArnaldo Carvalho de Melo int err = -1; 101923c42c1SMike Galbraith 102ab81f3fdSArnaldo Carvalho de Melo if (!he || !he->ms.sym) 103b0a9ab62SArnaldo Carvalho de Melo return -1; 104b0a9ab62SArnaldo Carvalho de Melo 105ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 106ab81f3fdSArnaldo Carvalho de Melo map = he->ms.map; 107b0a9ab62SArnaldo Carvalho de Melo 108b0a9ab62SArnaldo Carvalho de Melo /* 109b0a9ab62SArnaldo Carvalho de Melo * We can't annotate with just /proc/kallsyms 110b0a9ab62SArnaldo Carvalho de Melo */ 11144f24cb3SJiri Olsa if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { 112ce6f4fabSArnaldo Carvalho de Melo pr_err("Can't annotate %s: No vmlinux file was found in the " 113ce6f4fabSArnaldo Carvalho de Melo "path\n", sym->name); 114ce6f4fabSArnaldo Carvalho de Melo sleep(1); 115b0a9ab62SArnaldo Carvalho de Melo return -1; 116b269876cSArnaldo Carvalho de Melo } 117b269876cSArnaldo Carvalho de Melo 118ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 119ce6f4fabSArnaldo Carvalho de Melo if (notes->src != NULL) { 120ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 121923c42c1SMike Galbraith goto out_assign; 122923c42c1SMike Galbraith } 123923c42c1SMike Galbraith 124ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 125923c42c1SMike Galbraith 126d04b35f8SArnaldo Carvalho de Melo if (symbol__alloc_hist(sym) < 0) { 127c97cf422SArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 12836532461SArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 12936532461SArnaldo Carvalho de Melo sym->name); 130ce6f4fabSArnaldo Carvalho de Melo sleep(1); 131c97cf422SArnaldo Carvalho de Melo return err; 132923c42c1SMike Galbraith } 13336532461SArnaldo Carvalho de Melo 134ab81f3fdSArnaldo Carvalho de Melo err = symbol__annotate(sym, map, 0); 13536532461SArnaldo Carvalho de Melo if (err == 0) { 136923c42c1SMike Galbraith out_assign: 1371758af10SArnaldo Carvalho de Melo top->sym_filter_entry = he; 13836532461SArnaldo Carvalho de Melo } 139c97cf422SArnaldo Carvalho de Melo 140ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 14136532461SArnaldo Carvalho de Melo return err; 142923c42c1SMike Galbraith } 143923c42c1SMike Galbraith 144ab81f3fdSArnaldo Carvalho de Melo static void __zero_source_counters(struct hist_entry *he) 145923c42c1SMike Galbraith { 146ab81f3fdSArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 14736532461SArnaldo Carvalho de Melo symbol__annotate_zero_histograms(sym); 148923c42c1SMike Galbraith } 149923c42c1SMike Galbraith 15031d68e7bSArnaldo Carvalho de Melo static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) 15131d68e7bSArnaldo Carvalho de Melo { 15231d68e7bSArnaldo Carvalho de Melo struct utsname uts; 15331d68e7bSArnaldo Carvalho de Melo int err = uname(&uts); 15431d68e7bSArnaldo Carvalho de Melo 15531d68e7bSArnaldo Carvalho de Melo ui__warning("Out of bounds address found:\n\n" 15631d68e7bSArnaldo Carvalho de Melo "Addr: %" PRIx64 "\n" 15731d68e7bSArnaldo Carvalho de Melo "DSO: %s %c\n" 15831d68e7bSArnaldo Carvalho de Melo "Map: %" PRIx64 "-%" PRIx64 "\n" 15931d68e7bSArnaldo Carvalho de Melo "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" 16031d68e7bSArnaldo Carvalho de Melo "Arch: %s\n" 16131d68e7bSArnaldo Carvalho de Melo "Kernel: %s\n" 16231d68e7bSArnaldo Carvalho de Melo "Tools: %s\n\n" 16331d68e7bSArnaldo Carvalho de Melo "Not all samples will be on the annotation output.\n\n" 16431d68e7bSArnaldo Carvalho de Melo "Please report to linux-kernel@vger.kernel.org\n", 16531d68e7bSArnaldo Carvalho de Melo ip, map->dso->long_name, dso__symtab_origin(map->dso), 16631d68e7bSArnaldo Carvalho de Melo map->start, map->end, sym->start, sym->end, 16731d68e7bSArnaldo Carvalho de Melo sym->binding == STB_GLOBAL ? 'g' : 16831d68e7bSArnaldo Carvalho de Melo sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, 16931d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.machine, 17031d68e7bSArnaldo Carvalho de Melo err ? "[unknown]" : uts.release, perf_version_string); 17131d68e7bSArnaldo Carvalho de Melo if (use_browser <= 0) 17231d68e7bSArnaldo Carvalho de Melo sleep(5); 17331d68e7bSArnaldo Carvalho de Melo 17431d68e7bSArnaldo Carvalho de Melo map->erange_warned = true; 17531d68e7bSArnaldo Carvalho de Melo } 17631d68e7bSArnaldo Carvalho de Melo 1771758af10SArnaldo Carvalho de Melo static void perf_top__record_precise_ip(struct perf_top *top, 1781758af10SArnaldo Carvalho de Melo struct hist_entry *he, 1791758af10SArnaldo Carvalho de Melo int counter, u64 ip) 180923c42c1SMike Galbraith { 181ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 182ce6f4fabSArnaldo Carvalho de Melo struct symbol *sym; 18331d68e7bSArnaldo Carvalho de Melo int err; 184ce6f4fabSArnaldo Carvalho de Melo 185ab81f3fdSArnaldo Carvalho de Melo if (he == NULL || he->ms.sym == NULL || 1861758af10SArnaldo Carvalho de Melo ((top->sym_filter_entry == NULL || 1871758af10SArnaldo Carvalho de Melo top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) 188923c42c1SMike Galbraith return; 189923c42c1SMike Galbraith 190ab81f3fdSArnaldo Carvalho de Melo sym = he->ms.sym; 191ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(sym); 192ce6f4fabSArnaldo Carvalho de Melo 193ce6f4fabSArnaldo Carvalho de Melo if (pthread_mutex_trylock(¬es->lock)) 194923c42c1SMike Galbraith return; 195923c42c1SMike Galbraith 196d04b35f8SArnaldo Carvalho de Melo if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { 197ab81f3fdSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 198ab81f3fdSArnaldo Carvalho de Melo pr_err("Not enough memory for annotating '%s' symbol!\n", 199ab81f3fdSArnaldo Carvalho de Melo sym->name); 200ab81f3fdSArnaldo Carvalho de Melo sleep(1); 201ab81f3fdSArnaldo Carvalho de Melo return; 202ab81f3fdSArnaldo Carvalho de Melo } 203ab81f3fdSArnaldo Carvalho de Melo 204ab81f3fdSArnaldo Carvalho de Melo ip = he->ms.map->map_ip(he->ms.map, ip); 20531d68e7bSArnaldo Carvalho de Melo err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); 206923c42c1SMike Galbraith 207ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 20831d68e7bSArnaldo Carvalho de Melo 20931d68e7bSArnaldo Carvalho de Melo if (err == -ERANGE && !he->ms.map->erange_warned) 21031d68e7bSArnaldo Carvalho de Melo ui__warn_map_erange(he->ms.map, sym, ip); 211923c42c1SMike Galbraith } 212923c42c1SMike Galbraith 2131758af10SArnaldo Carvalho de Melo static void perf_top__show_details(struct perf_top *top) 214923c42c1SMike Galbraith { 2151758af10SArnaldo Carvalho de Melo struct hist_entry *he = top->sym_filter_entry; 216ce6f4fabSArnaldo Carvalho de Melo struct annotation *notes; 217923c42c1SMike Galbraith struct symbol *symbol; 21836532461SArnaldo Carvalho de Melo int more; 219923c42c1SMike Galbraith 220ab81f3fdSArnaldo Carvalho de Melo if (!he) 221923c42c1SMike Galbraith return; 222923c42c1SMike Galbraith 223ab81f3fdSArnaldo Carvalho de Melo symbol = he->ms.sym; 224ce6f4fabSArnaldo Carvalho de Melo notes = symbol__annotation(symbol); 225ce6f4fabSArnaldo Carvalho de Melo 226ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_lock(¬es->lock); 227ce6f4fabSArnaldo Carvalho de Melo 228ce6f4fabSArnaldo Carvalho de Melo if (notes->src == NULL) 229ce6f4fabSArnaldo Carvalho de Melo goto out_unlock; 230923c42c1SMike Galbraith 2317289f83cSArnaldo Carvalho de Melo printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); 2321758af10SArnaldo Carvalho de Melo printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); 233923c42c1SMike Galbraith 2341758af10SArnaldo Carvalho de Melo more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, 2351758af10SArnaldo Carvalho de Melo 0, top->sym_pcnt_filter, top->print_entries, 4); 2361758af10SArnaldo Carvalho de Melo if (top->zero) 2371758af10SArnaldo Carvalho de Melo symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); 23836532461SArnaldo Carvalho de Melo else 2391758af10SArnaldo Carvalho de Melo symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); 24036532461SArnaldo Carvalho de Melo if (more != 0) 241923c42c1SMike Galbraith printf("%d lines not displayed, maybe increase display entries [e]\n", more); 242ce6f4fabSArnaldo Carvalho de Melo out_unlock: 243ce6f4fabSArnaldo Carvalho de Melo pthread_mutex_unlock(¬es->lock); 244923c42c1SMike Galbraith } 24586470930SIngo Molnar 24686470930SIngo Molnar static const char CONSOLE_CLEAR[] = "[H[2J"; 24786470930SIngo Molnar 248743eb868SArnaldo Carvalho de Melo static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, 249ab81f3fdSArnaldo Carvalho de Melo struct addr_location *al, 250743eb868SArnaldo Carvalho de Melo struct perf_sample *sample) 25186470930SIngo Molnar { 252ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 253ab81f3fdSArnaldo Carvalho de Melo 254ab81f3fdSArnaldo Carvalho de Melo he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); 255ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) 256ab81f3fdSArnaldo Carvalho de Melo return NULL; 257ab81f3fdSArnaldo Carvalho de Melo 258ab81f3fdSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 259ab81f3fdSArnaldo Carvalho de Melo return he; 26086470930SIngo Molnar } 26186470930SIngo Molnar 2621758af10SArnaldo Carvalho de Melo static void perf_top__print_sym_table(struct perf_top *top) 26386470930SIngo Molnar { 2648c3e10ebSArnaldo Carvalho de Melo char bf[160]; 2658c3e10ebSArnaldo Carvalho de Melo int printed = 0; 2661758af10SArnaldo Carvalho de Melo const int win_width = top->winsize.ws_col - 1; 26786470930SIngo Molnar 26886470930SIngo Molnar puts(CONSOLE_CLEAR); 26986470930SIngo Molnar 2701758af10SArnaldo Carvalho de Melo perf_top__header_snprintf(top, bf, sizeof(bf)); 2718c3e10ebSArnaldo Carvalho de Melo printf("%s\n", bf); 27286470930SIngo Molnar 2731758af10SArnaldo Carvalho de Melo perf_top__reset_sample_counters(top); 27486470930SIngo Molnar 2751a105f74SArnaldo Carvalho de Melo printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 27686470930SIngo Molnar 2771758af10SArnaldo Carvalho de Melo if (top->sym_evsel->hists.stats.nr_lost_warned != 2781758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { 2791758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned = 2801758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; 2817b27509fSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_RED, 2827b27509fSArnaldo Carvalho de Melo "WARNING: LOST %d chunks, Check IO/CPU overload", 2831758af10SArnaldo Carvalho de Melo top->sym_evsel->hists.stats.nr_lost_warned); 284ab81f3fdSArnaldo Carvalho de Melo ++printed; 28593fc64f1SArnaldo Carvalho de Melo } 28693fc64f1SArnaldo Carvalho de Melo 2871758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 2881758af10SArnaldo Carvalho de Melo perf_top__show_details(top); 289923c42c1SMike Galbraith return; 290923c42c1SMike Galbraith } 291923c42c1SMike Galbraith 2921758af10SArnaldo Carvalho de Melo hists__collapse_resort_threaded(&top->sym_evsel->hists); 2931758af10SArnaldo Carvalho de Melo hists__output_resort_threaded(&top->sym_evsel->hists); 2941758af10SArnaldo Carvalho de Melo hists__decay_entries_threaded(&top->sym_evsel->hists, 2951758af10SArnaldo Carvalho de Melo top->hide_user_symbols, 2961758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols); 2971758af10SArnaldo Carvalho de Melo hists__output_recalc_col_len(&top->sym_evsel->hists, 2981758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 3); 2991a105f74SArnaldo Carvalho de Melo putchar('\n'); 30041724e4cSJiri Olsa hists__fprintf(&top->sym_evsel->hists, false, 3011758af10SArnaldo Carvalho de Melo top->winsize.ws_row - 4 - printed, win_width, stdout); 30286470930SIngo Molnar } 30386470930SIngo Molnar 304923c42c1SMike Galbraith static void prompt_integer(int *target, const char *msg) 305923c42c1SMike Galbraith { 306923c42c1SMike Galbraith char *buf = malloc(0), *p; 307923c42c1SMike Galbraith size_t dummy = 0; 308923c42c1SMike Galbraith int tmp; 309923c42c1SMike Galbraith 310923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 311923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 312923c42c1SMike Galbraith return; 313923c42c1SMike Galbraith 314923c42c1SMike Galbraith p = strchr(buf, '\n'); 315923c42c1SMike Galbraith if (p) 316923c42c1SMike Galbraith *p = 0; 317923c42c1SMike Galbraith 318923c42c1SMike Galbraith p = buf; 319923c42c1SMike Galbraith while(*p) { 320923c42c1SMike Galbraith if (!isdigit(*p)) 321923c42c1SMike Galbraith goto out_free; 322923c42c1SMike Galbraith p++; 323923c42c1SMike Galbraith } 324923c42c1SMike Galbraith tmp = strtoul(buf, NULL, 10); 325923c42c1SMike Galbraith *target = tmp; 326923c42c1SMike Galbraith out_free: 327923c42c1SMike Galbraith free(buf); 328923c42c1SMike Galbraith } 329923c42c1SMike Galbraith 330923c42c1SMike Galbraith static void prompt_percent(int *target, const char *msg) 331923c42c1SMike Galbraith { 332923c42c1SMike Galbraith int tmp = 0; 333923c42c1SMike Galbraith 334923c42c1SMike Galbraith prompt_integer(&tmp, msg); 335923c42c1SMike Galbraith if (tmp >= 0 && tmp <= 100) 336923c42c1SMike Galbraith *target = tmp; 337923c42c1SMike Galbraith } 338923c42c1SMike Galbraith 3391758af10SArnaldo Carvalho de Melo static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) 340923c42c1SMike Galbraith { 341923c42c1SMike Galbraith char *buf = malloc(0), *p; 3421758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; 343ab81f3fdSArnaldo Carvalho de Melo struct rb_node *next; 344923c42c1SMike Galbraith size_t dummy = 0; 345923c42c1SMike Galbraith 346923c42c1SMike Galbraith /* zero counters of active symbol */ 347923c42c1SMike Galbraith if (syme) { 348923c42c1SMike Galbraith __zero_source_counters(syme); 3491758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 350923c42c1SMike Galbraith } 351923c42c1SMike Galbraith 352923c42c1SMike Galbraith fprintf(stdout, "\n%s: ", msg); 353923c42c1SMike Galbraith if (getline(&buf, &dummy, stdin) < 0) 354923c42c1SMike Galbraith goto out_free; 355923c42c1SMike Galbraith 356923c42c1SMike Galbraith p = strchr(buf, '\n'); 357923c42c1SMike Galbraith if (p) 358923c42c1SMike Galbraith *p = 0; 359923c42c1SMike Galbraith 3601758af10SArnaldo Carvalho de Melo next = rb_first(&top->sym_evsel->hists.entries); 361ab81f3fdSArnaldo Carvalho de Melo while (next) { 362ab81f3fdSArnaldo Carvalho de Melo n = rb_entry(next, struct hist_entry, rb_node); 363ab81f3fdSArnaldo Carvalho de Melo if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { 364ab81f3fdSArnaldo Carvalho de Melo found = n; 365923c42c1SMike Galbraith break; 366923c42c1SMike Galbraith } 367ab81f3fdSArnaldo Carvalho de Melo next = rb_next(&n->rb_node); 368923c42c1SMike Galbraith } 369923c42c1SMike Galbraith 370923c42c1SMike Galbraith if (!found) { 37166aeb6d5SKirill Smelkov fprintf(stderr, "Sorry, %s is not active.\n", buf); 372923c42c1SMike Galbraith sleep(1); 373923c42c1SMike Galbraith } else 3741758af10SArnaldo Carvalho de Melo perf_top__parse_source(top, found); 375923c42c1SMike Galbraith 376923c42c1SMike Galbraith out_free: 377923c42c1SMike Galbraith free(buf); 378923c42c1SMike Galbraith } 379923c42c1SMike Galbraith 3801758af10SArnaldo Carvalho de Melo static void perf_top__print_mapped_keys(struct perf_top *top) 381923c42c1SMike Galbraith { 382091bd2e9SMike Galbraith char *name = NULL; 383091bd2e9SMike Galbraith 3841758af10SArnaldo Carvalho de Melo if (top->sym_filter_entry) { 3851758af10SArnaldo Carvalho de Melo struct symbol *sym = top->sym_filter_entry->ms.sym; 386091bd2e9SMike Galbraith name = sym->name; 387091bd2e9SMike Galbraith } 388091bd2e9SMike Galbraith 389091bd2e9SMike Galbraith fprintf(stdout, "\nMapped keys:\n"); 3901758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); 3911758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); 392091bd2e9SMike Galbraith 3931758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) 3947289f83cSArnaldo Carvalho de Melo fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); 395091bd2e9SMike Galbraith 3961758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); 397091bd2e9SMike Galbraith 3981758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); 399091bd2e9SMike Galbraith fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); 400091bd2e9SMike Galbraith fprintf(stdout, "\t[S] stop annotation.\n"); 401091bd2e9SMike Galbraith 4028ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4038ffcda17SArnaldo Carvalho de Melo "\t[K] hide kernel_symbols symbols. \t(%s)\n", 4041758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols ? "yes" : "no"); 4058ffcda17SArnaldo Carvalho de Melo fprintf(stdout, 4068ffcda17SArnaldo Carvalho de Melo "\t[U] hide user symbols. \t(%s)\n", 4071758af10SArnaldo Carvalho de Melo top->hide_user_symbols ? "yes" : "no"); 4081758af10SArnaldo Carvalho de Melo fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); 409091bd2e9SMike Galbraith fprintf(stdout, "\t[qQ] quit.\n"); 410091bd2e9SMike Galbraith } 411091bd2e9SMike Galbraith 4121758af10SArnaldo Carvalho de Melo static int perf_top__key_mapped(struct perf_top *top, int c) 413091bd2e9SMike Galbraith { 414091bd2e9SMike Galbraith switch (c) { 415091bd2e9SMike Galbraith case 'd': 416091bd2e9SMike Galbraith case 'e': 417091bd2e9SMike Galbraith case 'f': 418091bd2e9SMike Galbraith case 'z': 419091bd2e9SMike Galbraith case 'q': 420091bd2e9SMike Galbraith case 'Q': 4218ffcda17SArnaldo Carvalho de Melo case 'K': 4228ffcda17SArnaldo Carvalho de Melo case 'U': 4236cff0e8dSKirill Smelkov case 'F': 4246cff0e8dSKirill Smelkov case 's': 4256cff0e8dSKirill Smelkov case 'S': 426091bd2e9SMike Galbraith return 1; 427091bd2e9SMike Galbraith case 'E': 4281758af10SArnaldo Carvalho de Melo return top->evlist->nr_entries > 1 ? 1 : 0; 42983a0944fSIngo Molnar default: 43083a0944fSIngo Molnar break; 431091bd2e9SMike Galbraith } 432091bd2e9SMike Galbraith 433091bd2e9SMike Galbraith return 0; 434923c42c1SMike Galbraith } 435923c42c1SMike Galbraith 43611859e82SArnaldo Carvalho de Melo static bool perf_top__handle_keypress(struct perf_top *top, int c) 437923c42c1SMike Galbraith { 43811859e82SArnaldo Carvalho de Melo bool ret = true; 43911859e82SArnaldo Carvalho de Melo 4401758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) { 441091bd2e9SMike Galbraith struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 442091bd2e9SMike Galbraith struct termios tc, save; 443091bd2e9SMike Galbraith 4441758af10SArnaldo Carvalho de Melo perf_top__print_mapped_keys(top); 445091bd2e9SMike Galbraith fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); 446091bd2e9SMike Galbraith fflush(stdout); 447091bd2e9SMike Galbraith 448091bd2e9SMike Galbraith tcgetattr(0, &save); 449091bd2e9SMike Galbraith tc = save; 450091bd2e9SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 451091bd2e9SMike Galbraith tc.c_cc[VMIN] = 0; 452091bd2e9SMike Galbraith tc.c_cc[VTIME] = 0; 453091bd2e9SMike Galbraith tcsetattr(0, TCSANOW, &tc); 454091bd2e9SMike Galbraith 455091bd2e9SMike Galbraith poll(&stdin_poll, 1, -1); 456091bd2e9SMike Galbraith c = getc(stdin); 457091bd2e9SMike Galbraith 458091bd2e9SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 4591758af10SArnaldo Carvalho de Melo if (!perf_top__key_mapped(top, c)) 46011859e82SArnaldo Carvalho de Melo return ret; 461091bd2e9SMike Galbraith } 462091bd2e9SMike Galbraith 463923c42c1SMike Galbraith switch (c) { 464923c42c1SMike Galbraith case 'd': 4651758af10SArnaldo Carvalho de Melo prompt_integer(&top->delay_secs, "Enter display delay"); 4661758af10SArnaldo Carvalho de Melo if (top->delay_secs < 1) 4671758af10SArnaldo Carvalho de Melo top->delay_secs = 1; 468923c42c1SMike Galbraith break; 469923c42c1SMike Galbraith case 'e': 4701758af10SArnaldo Carvalho de Melo prompt_integer(&top->print_entries, "Enter display entries (lines)"); 4711758af10SArnaldo Carvalho de Melo if (top->print_entries == 0) { 4721758af10SArnaldo Carvalho de Melo struct sigaction act = { 4731758af10SArnaldo Carvalho de Melo .sa_sigaction = perf_top__sig_winch, 4741758af10SArnaldo Carvalho de Melo .sa_flags = SA_SIGINFO, 4751758af10SArnaldo Carvalho de Melo }; 4761758af10SArnaldo Carvalho de Melo perf_top__sig_winch(SIGWINCH, NULL, top); 4771758af10SArnaldo Carvalho de Melo sigaction(SIGWINCH, &act, NULL); 478509605dbSStephane Eranian } else { 479509605dbSStephane Eranian perf_top__sig_winch(SIGWINCH, NULL, top); 4803b6ed988SArnaldo Carvalho de Melo signal(SIGWINCH, SIG_DFL); 481509605dbSStephane Eranian } 482923c42c1SMike Galbraith break; 483923c42c1SMike Galbraith case 'E': 4841758af10SArnaldo Carvalho de Melo if (top->evlist->nr_entries > 1) { 485ce2d17caSAkihiro Nagai /* Select 0 as the default event: */ 486ce2d17caSAkihiro Nagai int counter = 0; 487ce2d17caSAkihiro Nagai 488923c42c1SMike Galbraith fprintf(stderr, "\nAvailable events:"); 48969aad6f1SArnaldo Carvalho de Melo 4901758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 4917289f83cSArnaldo Carvalho de Melo fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); 492923c42c1SMike Galbraith 493ec52d976SArnaldo Carvalho de Melo prompt_integer(&counter, "Enter details event counter"); 494923c42c1SMike Galbraith 4951758af10SArnaldo Carvalho de Melo if (counter >= top->evlist->nr_entries) { 4960c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 4977289f83cSArnaldo Carvalho de Melo fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); 498923c42c1SMike Galbraith sleep(1); 49969aad6f1SArnaldo Carvalho de Melo break; 500923c42c1SMike Galbraith } 5011758af10SArnaldo Carvalho de Melo list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) 5021758af10SArnaldo Carvalho de Melo if (top->sym_evsel->idx == counter) 50369aad6f1SArnaldo Carvalho de Melo break; 504ec52d976SArnaldo Carvalho de Melo } else 5050c21f736SArnaldo Carvalho de Melo top->sym_evsel = perf_evlist__first(top->evlist); 506923c42c1SMike Galbraith break; 507923c42c1SMike Galbraith case 'f': 5081758af10SArnaldo Carvalho de Melo prompt_integer(&top->count_filter, "Enter display event count filter"); 509923c42c1SMike Galbraith break; 510923c42c1SMike Galbraith case 'F': 5111758af10SArnaldo Carvalho de Melo prompt_percent(&top->sym_pcnt_filter, 5121758af10SArnaldo Carvalho de Melo "Enter details display event filter (percent)"); 513923c42c1SMike Galbraith break; 5148ffcda17SArnaldo Carvalho de Melo case 'K': 5151758af10SArnaldo Carvalho de Melo top->hide_kernel_symbols = !top->hide_kernel_symbols; 5168ffcda17SArnaldo Carvalho de Melo break; 517923c42c1SMike Galbraith case 'q': 518923c42c1SMike Galbraith case 'Q': 519923c42c1SMike Galbraith printf("exiting.\n"); 5201758af10SArnaldo Carvalho de Melo if (top->dump_symtab) 5211758af10SArnaldo Carvalho de Melo perf_session__fprintf_dsos(top->session, stderr); 52211859e82SArnaldo Carvalho de Melo ret = false; 52311859e82SArnaldo Carvalho de Melo break; 524923c42c1SMike Galbraith case 's': 5251758af10SArnaldo Carvalho de Melo perf_top__prompt_symbol(top, "Enter details symbol"); 526923c42c1SMike Galbraith break; 527923c42c1SMike Galbraith case 'S': 5281758af10SArnaldo Carvalho de Melo if (!top->sym_filter_entry) 529923c42c1SMike Galbraith break; 530923c42c1SMike Galbraith else { 5311758af10SArnaldo Carvalho de Melo struct hist_entry *syme = top->sym_filter_entry; 532923c42c1SMike Galbraith 5331758af10SArnaldo Carvalho de Melo top->sym_filter_entry = NULL; 534923c42c1SMike Galbraith __zero_source_counters(syme); 535923c42c1SMike Galbraith } 536923c42c1SMike Galbraith break; 5378ffcda17SArnaldo Carvalho de Melo case 'U': 5381758af10SArnaldo Carvalho de Melo top->hide_user_symbols = !top->hide_user_symbols; 5398ffcda17SArnaldo Carvalho de Melo break; 540923c42c1SMike Galbraith case 'z': 5411758af10SArnaldo Carvalho de Melo top->zero = !top->zero; 542923c42c1SMike Galbraith break; 54383a0944fSIngo Molnar default: 54483a0944fSIngo Molnar break; 545923c42c1SMike Galbraith } 54611859e82SArnaldo Carvalho de Melo 54711859e82SArnaldo Carvalho de Melo return ret; 548923c42c1SMike Galbraith } 549923c42c1SMike Galbraith 550ab81f3fdSArnaldo Carvalho de Melo static void perf_top__sort_new_samples(void *arg) 551ab81f3fdSArnaldo Carvalho de Melo { 552ab81f3fdSArnaldo Carvalho de Melo struct perf_top *t = arg; 553ab81f3fdSArnaldo Carvalho de Melo perf_top__reset_sample_counters(t); 554ab81f3fdSArnaldo Carvalho de Melo 555ab81f3fdSArnaldo Carvalho de Melo if (t->evlist->selected != NULL) 556ab81f3fdSArnaldo Carvalho de Melo t->sym_evsel = t->evlist->selected; 557ab81f3fdSArnaldo Carvalho de Melo 558ab81f3fdSArnaldo Carvalho de Melo hists__collapse_resort_threaded(&t->sym_evsel->hists); 559ab81f3fdSArnaldo Carvalho de Melo hists__output_resort_threaded(&t->sym_evsel->hists); 560b079d4e9SArnaldo Carvalho de Melo hists__decay_entries_threaded(&t->sym_evsel->hists, 5611758af10SArnaldo Carvalho de Melo t->hide_user_symbols, 5621758af10SArnaldo Carvalho de Melo t->hide_kernel_symbols); 563ab81f3fdSArnaldo Carvalho de Melo } 564ab81f3fdSArnaldo Carvalho de Melo 5651758af10SArnaldo Carvalho de Melo static void *display_thread_tui(void *arg) 566c0443df1SArnaldo Carvalho de Melo { 5670d37aa34SArnaldo Carvalho de Melo struct perf_evsel *pos; 5681758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 569ab81f3fdSArnaldo Carvalho de Melo const char *help = "For a higher level overview, try: perf top --sort comm,dso"; 5709783adf7SNamhyung Kim struct hist_browser_timer hbt = { 5719783adf7SNamhyung Kim .timer = perf_top__sort_new_samples, 5729783adf7SNamhyung Kim .arg = top, 5739783adf7SNamhyung Kim .refresh = top->delay_secs, 5749783adf7SNamhyung Kim }; 575ab81f3fdSArnaldo Carvalho de Melo 5761758af10SArnaldo Carvalho de Melo perf_top__sort_new_samples(top); 5770d37aa34SArnaldo Carvalho de Melo 5780d37aa34SArnaldo Carvalho de Melo /* 5790d37aa34SArnaldo Carvalho de Melo * Initialize the uid_filter_str, in the future the TUI will allow 5800d37aa34SArnaldo Carvalho de Melo * Zooming in/out UIDs. For now juse use whatever the user passed 5810d37aa34SArnaldo Carvalho de Melo * via --uid. 5820d37aa34SArnaldo Carvalho de Melo */ 5830d37aa34SArnaldo Carvalho de Melo list_for_each_entry(pos, &top->evlist->entries, node) 5842376c67aSArnaldo Carvalho de Melo pos->hists.uid_filter_str = top->record_opts.target.uid_str; 5850d37aa34SArnaldo Carvalho de Melo 58668d80758SNamhyung Kim perf_evlist__tui_browse_hists(top->evlist, help, &hbt, 58768d80758SNamhyung Kim &top->session->header.env); 588ab81f3fdSArnaldo Carvalho de Melo 58911859e82SArnaldo Carvalho de Melo done = 1; 590c0443df1SArnaldo Carvalho de Melo return NULL; 591c0443df1SArnaldo Carvalho de Melo } 592c0443df1SArnaldo Carvalho de Melo 5931758af10SArnaldo Carvalho de Melo static void *display_thread(void *arg) 59486470930SIngo Molnar { 59586470930SIngo Molnar struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 596923c42c1SMike Galbraith struct termios tc, save; 5971758af10SArnaldo Carvalho de Melo struct perf_top *top = arg; 598923c42c1SMike Galbraith int delay_msecs, c; 59986470930SIngo Molnar 600923c42c1SMike Galbraith tcgetattr(0, &save); 601923c42c1SMike Galbraith tc = save; 602923c42c1SMike Galbraith tc.c_lflag &= ~(ICANON | ECHO); 603923c42c1SMike Galbraith tc.c_cc[VMIN] = 0; 604923c42c1SMike Galbraith tc.c_cc[VTIME] = 0; 605091bd2e9SMike Galbraith 6063af6e338SArnaldo Carvalho de Melo pthread__unblock_sigwinch(); 607923c42c1SMike Galbraith repeat: 6081758af10SArnaldo Carvalho de Melo delay_msecs = top->delay_secs * 1000; 609923c42c1SMike Galbraith tcsetattr(0, TCSANOW, &tc); 610923c42c1SMike Galbraith /* trash return*/ 611923c42c1SMike Galbraith getc(stdin); 61286470930SIngo Molnar 61311859e82SArnaldo Carvalho de Melo while (!done) { 6141758af10SArnaldo Carvalho de Melo perf_top__print_sym_table(top); 6153af6e338SArnaldo Carvalho de Melo /* 6163af6e338SArnaldo Carvalho de Melo * Either timeout expired or we got an EINTR due to SIGWINCH, 6173af6e338SArnaldo Carvalho de Melo * refresh screen in both cases. 6183af6e338SArnaldo Carvalho de Melo */ 6193af6e338SArnaldo Carvalho de Melo switch (poll(&stdin_poll, 1, delay_msecs)) { 6203af6e338SArnaldo Carvalho de Melo case 0: 6213af6e338SArnaldo Carvalho de Melo continue; 6223af6e338SArnaldo Carvalho de Melo case -1: 6233af6e338SArnaldo Carvalho de Melo if (errno == EINTR) 6243af6e338SArnaldo Carvalho de Melo continue; 6253af6e338SArnaldo Carvalho de Melo /* Fall trhu */ 6263af6e338SArnaldo Carvalho de Melo default: 627923c42c1SMike Galbraith c = getc(stdin); 628923c42c1SMike Galbraith tcsetattr(0, TCSAFLUSH, &save); 629923c42c1SMike Galbraith 63011859e82SArnaldo Carvalho de Melo if (perf_top__handle_keypress(top, c)) 631923c42c1SMike Galbraith goto repeat; 63211859e82SArnaldo Carvalho de Melo done = 1; 63311859e82SArnaldo Carvalho de Melo } 63411859e82SArnaldo Carvalho de Melo } 63586470930SIngo Molnar 63686470930SIngo Molnar return NULL; 63786470930SIngo Molnar } 63886470930SIngo Molnar 6392ab52083SAnton Blanchard /* Tag samples to be skipped. */ 640f37a291cSIngo Molnar static const char *skip_symbols[] = { 6414bea8b5cSArnaldo Carvalho de Melo "intel_idle", 6422ab52083SAnton Blanchard "default_idle", 643b0e8572fSArnaldo Carvalho de Melo "native_safe_halt", 6442ab52083SAnton Blanchard "cpu_idle", 6452ab52083SAnton Blanchard "enter_idle", 6462ab52083SAnton Blanchard "exit_idle", 6472ab52083SAnton Blanchard "mwait_idle", 64859b90056SArnaldo Carvalho de Melo "mwait_idle_with_hints", 6498357275bSArnaldo Carvalho de Melo "poll_idle", 6503a3393efSAnton Blanchard "ppc64_runlatch_off", 6513a3393efSAnton Blanchard "pseries_dedicated_idle_sleep", 6522ab52083SAnton Blanchard NULL 6532ab52083SAnton Blanchard }; 6542ab52083SAnton Blanchard 6551d037ca1SIrina Tirdea static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) 65686470930SIngo Molnar { 65786470930SIngo Molnar const char *name = sym->name; 6582ab52083SAnton Blanchard int i; 65986470930SIngo Molnar 6603a3393efSAnton Blanchard /* 6613a3393efSAnton Blanchard * ppc64 uses function descriptors and appends a '.' to the 6623a3393efSAnton Blanchard * start of every instruction address. Remove it. 6633a3393efSAnton Blanchard */ 6643a3393efSAnton Blanchard if (name[0] == '.') 6653a3393efSAnton Blanchard name++; 6663a3393efSAnton Blanchard 66786470930SIngo Molnar if (!strcmp(name, "_text") || 66886470930SIngo Molnar !strcmp(name, "_etext") || 66986470930SIngo Molnar !strcmp(name, "_sinittext") || 67086470930SIngo Molnar !strncmp("init_module", name, 11) || 67186470930SIngo Molnar !strncmp("cleanup_module", name, 14) || 67286470930SIngo Molnar strstr(name, "_text_start") || 67386470930SIngo Molnar strstr(name, "_text_end")) 67486470930SIngo Molnar return 1; 67586470930SIngo Molnar 6762ab52083SAnton Blanchard for (i = 0; skip_symbols[i]; i++) { 6772ab52083SAnton Blanchard if (!strcmp(skip_symbols[i], name)) { 678171b3be9SArnaldo Carvalho de Melo sym->ignore = true; 6792ab52083SAnton Blanchard break; 6802ab52083SAnton Blanchard } 6812ab52083SAnton Blanchard } 68286470930SIngo Molnar 68386470930SIngo Molnar return 0; 68486470930SIngo Molnar } 68586470930SIngo Molnar 6861758af10SArnaldo Carvalho de Melo static void perf_event__process_sample(struct perf_tool *tool, 6871758af10SArnaldo Carvalho de Melo const union perf_event *event, 6887b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel, 6898d50e5b4SArnaldo Carvalho de Melo struct perf_sample *sample, 690743eb868SArnaldo Carvalho de Melo struct machine *machine) 69186470930SIngo Molnar { 6921758af10SArnaldo Carvalho de Melo struct perf_top *top = container_of(tool, struct perf_top, tool); 69319d4ac3cSArnaldo Carvalho de Melo struct symbol *parent = NULL; 6948115d60cSArnaldo Carvalho de Melo u64 ip = event->ip.ip; 6951ed091c4SArnaldo Carvalho de Melo struct addr_location al; 69619d4ac3cSArnaldo Carvalho de Melo int err; 6975b2bb75aSArnaldo Carvalho de Melo 69823346f21SArnaldo Carvalho de Melo if (!machine && perf_guest) { 6996b118e92SDavid Ahern static struct intlist *seen; 7006b118e92SDavid Ahern 7016b118e92SDavid Ahern if (!seen) 702ffe0fb76SArnaldo Carvalho de Melo seen = intlist__new(NULL); 7036b118e92SDavid Ahern 7046b118e92SDavid Ahern if (!intlist__has_entry(seen, event->ip.pid)) { 705a1645ce1SZhang, Yanmin pr_err("Can't find guest [%d]'s kernel information\n", 7068115d60cSArnaldo Carvalho de Melo event->ip.pid); 7076b118e92SDavid Ahern intlist__add(seen, event->ip.pid); 7086b118e92SDavid Ahern } 709a1645ce1SZhang, Yanmin return; 710a1645ce1SZhang, Yanmin } 711a1645ce1SZhang, Yanmin 7120c095715SJoerg Roedel if (!machine) { 71311859e82SArnaldo Carvalho de Melo pr_err("%u unprocessable samples recorded.\r", 71428a6b6aaSArnaldo Carvalho de Melo top->session->stats.nr_unprocessable_samples++); 7150c095715SJoerg Roedel return; 7160c095715SJoerg Roedel } 7170c095715SJoerg Roedel 7188115d60cSArnaldo Carvalho de Melo if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) 7191758af10SArnaldo Carvalho de Melo top->exact_samples++; 7201676b8a0SPeter Zijlstra 721743eb868SArnaldo Carvalho de Melo if (perf_event__preprocess_sample(event, machine, &al, sample, 72241a37e20SArnaldo Carvalho de Melo symbol_filter) < 0 || 72372b8fa17SArnaldo Carvalho de Melo al.filtered) 7241ed091c4SArnaldo Carvalho de Melo return; 72586470930SIngo Molnar 7261758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && 7275f6f5580SArnaldo Carvalho de Melo symbol_conf.kptr_restrict && 7285f6f5580SArnaldo Carvalho de Melo al.cpumode == PERF_RECORD_MISC_KERNEL) { 7295f6f5580SArnaldo Carvalho de Melo ui__warning( 7305f6f5580SArnaldo Carvalho de Melo "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" 7315f6f5580SArnaldo Carvalho de Melo "Check /proc/sys/kernel/kptr_restrict.\n\n" 7325f6f5580SArnaldo Carvalho de Melo "Kernel%s samples will not be resolved.\n", 7335f6f5580SArnaldo Carvalho de Melo !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? 7345f6f5580SArnaldo Carvalho de Melo " modules" : ""); 7355f6f5580SArnaldo Carvalho de Melo if (use_browser <= 0) 7365f6f5580SArnaldo Carvalho de Melo sleep(5); 7371758af10SArnaldo Carvalho de Melo top->kptr_restrict_warned = true; 7385f6f5580SArnaldo Carvalho de Melo } 7395f6f5580SArnaldo Carvalho de Melo 74072b8fa17SArnaldo Carvalho de Melo if (al.sym == NULL) { 741e4a338d0SArnaldo Carvalho de Melo const char *msg = "Kernel samples will not be resolved.\n"; 74272b8fa17SArnaldo Carvalho de Melo /* 74372b8fa17SArnaldo Carvalho de Melo * As we do lazy loading of symtabs we only will know if the 74472b8fa17SArnaldo Carvalho de Melo * specified vmlinux file is invalid when we actually have a 74572b8fa17SArnaldo Carvalho de Melo * hit in kernel space and then try to load it. So if we get 74672b8fa17SArnaldo Carvalho de Melo * here and there are _no_ symbols in the DSO backing the 74772b8fa17SArnaldo Carvalho de Melo * kernel map, bail out. 74872b8fa17SArnaldo Carvalho de Melo * 74972b8fa17SArnaldo Carvalho de Melo * We may never get here, for instance, if we use -K/ 75072b8fa17SArnaldo Carvalho de Melo * --hide-kernel-symbols, even if the user specifies an 75172b8fa17SArnaldo Carvalho de Melo * invalid --vmlinux ;-) 75272b8fa17SArnaldo Carvalho de Melo */ 7531758af10SArnaldo Carvalho de Melo if (!top->kptr_restrict_warned && !top->vmlinux_warned && 754e4a338d0SArnaldo Carvalho de Melo al.map == machine->vmlinux_maps[MAP__FUNCTION] && 75572b8fa17SArnaldo Carvalho de Melo RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { 756e4a338d0SArnaldo Carvalho de Melo if (symbol_conf.vmlinux_name) { 757e4a338d0SArnaldo Carvalho de Melo ui__warning("The %s file can't be used.\n%s", 758e4a338d0SArnaldo Carvalho de Melo symbol_conf.vmlinux_name, msg); 759e4a338d0SArnaldo Carvalho de Melo } else { 760e4a338d0SArnaldo Carvalho de Melo ui__warning("A vmlinux file was not found.\n%s", 761e4a338d0SArnaldo Carvalho de Melo msg); 762e4a338d0SArnaldo Carvalho de Melo } 763e4a338d0SArnaldo Carvalho de Melo 764e4a338d0SArnaldo Carvalho de Melo if (use_browser <= 0) 765e4a338d0SArnaldo Carvalho de Melo sleep(5); 7661758af10SArnaldo Carvalho de Melo top->vmlinux_warned = true; 76772b8fa17SArnaldo Carvalho de Melo } 76872b8fa17SArnaldo Carvalho de Melo } 76972b8fa17SArnaldo Carvalho de Melo 770ab81f3fdSArnaldo Carvalho de Melo if (al.sym == NULL || !al.sym->ignore) { 771ab81f3fdSArnaldo Carvalho de Melo struct hist_entry *he; 77270db7533SArnaldo Carvalho de Melo 77319d4ac3cSArnaldo Carvalho de Melo if ((sort__has_parent || symbol_conf.use_callchain) && 77419d4ac3cSArnaldo Carvalho de Melo sample->callchain) { 77571ad0f5eSJiri Olsa err = machine__resolve_callchain(machine, evsel, 77671ad0f5eSJiri Olsa al.thread, sample, 77771ad0f5eSJiri Olsa &parent); 77871ad0f5eSJiri Olsa 77919d4ac3cSArnaldo Carvalho de Melo if (err) 78019d4ac3cSArnaldo Carvalho de Melo return; 78119d4ac3cSArnaldo Carvalho de Melo } 78219d4ac3cSArnaldo Carvalho de Melo 783743eb868SArnaldo Carvalho de Melo he = perf_evsel__add_hist_entry(evsel, &al, sample); 784ab81f3fdSArnaldo Carvalho de Melo if (he == NULL) { 785ab81f3fdSArnaldo Carvalho de Melo pr_err("Problem incrementing symbol period, skipping event\n"); 786ab81f3fdSArnaldo Carvalho de Melo return; 7875807806aSArnaldo Carvalho de Melo } 788ab81f3fdSArnaldo Carvalho de Melo 78919d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 79047260645SNamhyung Kim err = callchain_append(he->callchain, &callchain_cursor, 79119d4ac3cSArnaldo Carvalho de Melo sample->period); 79219d4ac3cSArnaldo Carvalho de Melo if (err) 79319d4ac3cSArnaldo Carvalho de Melo return; 79419d4ac3cSArnaldo Carvalho de Melo } 79519d4ac3cSArnaldo Carvalho de Melo 7961758af10SArnaldo Carvalho de Melo if (top->sort_has_symbols) 7971758af10SArnaldo Carvalho de Melo perf_top__record_precise_ip(top, he, evsel->idx, ip); 7985807806aSArnaldo Carvalho de Melo } 799ab81f3fdSArnaldo Carvalho de Melo 800ab81f3fdSArnaldo Carvalho de Melo return; 80186470930SIngo Molnar } 80286470930SIngo Molnar 8031758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read_idx(struct perf_top *top, int idx) 80486470930SIngo Molnar { 8058d50e5b4SArnaldo Carvalho de Melo struct perf_sample sample; 8067b27509fSArnaldo Carvalho de Melo struct perf_evsel *evsel; 8071758af10SArnaldo Carvalho de Melo struct perf_session *session = top->session; 8088115d60cSArnaldo Carvalho de Melo union perf_event *event; 809743eb868SArnaldo Carvalho de Melo struct machine *machine; 810743eb868SArnaldo Carvalho de Melo u8 origin; 8115538becaSFrederic Weisbecker int ret; 81286470930SIngo Molnar 8131758af10SArnaldo Carvalho de Melo while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { 8140807d2d8SArnaldo Carvalho de Melo ret = perf_evlist__parse_sample(top->evlist, event, &sample); 8155538becaSFrederic Weisbecker if (ret) { 8165538becaSFrederic Weisbecker pr_err("Can't parse sample, err = %d\n", ret); 8175538becaSFrederic Weisbecker continue; 8185538becaSFrederic Weisbecker } 81904391debSArnaldo Carvalho de Melo 8201758af10SArnaldo Carvalho de Melo evsel = perf_evlist__id2evsel(session->evlist, sample.id); 8217b27509fSArnaldo Carvalho de Melo assert(evsel != NULL); 8227b27509fSArnaldo Carvalho de Melo 823743eb868SArnaldo Carvalho de Melo origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; 824743eb868SArnaldo Carvalho de Melo 8255b2bb75aSArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) 8261758af10SArnaldo Carvalho de Melo ++top->samples; 827743eb868SArnaldo Carvalho de Melo 828743eb868SArnaldo Carvalho de Melo switch (origin) { 829743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_USER: 8301758af10SArnaldo Carvalho de Melo ++top->us_samples; 8311758af10SArnaldo Carvalho de Melo if (top->hide_user_symbols) 832743eb868SArnaldo Carvalho de Melo continue; 83334ba5122SArnaldo Carvalho de Melo machine = &session->machines.host; 834743eb868SArnaldo Carvalho de Melo break; 835743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_KERNEL: 8361758af10SArnaldo Carvalho de Melo ++top->kernel_samples; 8371758af10SArnaldo Carvalho de Melo if (top->hide_kernel_symbols) 838743eb868SArnaldo Carvalho de Melo continue; 83934ba5122SArnaldo Carvalho de Melo machine = &session->machines.host; 840743eb868SArnaldo Carvalho de Melo break; 841743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_KERNEL: 8421758af10SArnaldo Carvalho de Melo ++top->guest_kernel_samples; 8431758af10SArnaldo Carvalho de Melo machine = perf_session__find_machine(session, event->ip.pid); 844743eb868SArnaldo Carvalho de Melo break; 845743eb868SArnaldo Carvalho de Melo case PERF_RECORD_MISC_GUEST_USER: 8461758af10SArnaldo Carvalho de Melo ++top->guest_us_samples; 847743eb868SArnaldo Carvalho de Melo /* 848743eb868SArnaldo Carvalho de Melo * TODO: we don't process guest user from host side 849743eb868SArnaldo Carvalho de Melo * except simple counting. 850743eb868SArnaldo Carvalho de Melo */ 851743eb868SArnaldo Carvalho de Melo /* Fall thru */ 852743eb868SArnaldo Carvalho de Melo default: 853743eb868SArnaldo Carvalho de Melo continue; 854743eb868SArnaldo Carvalho de Melo } 855743eb868SArnaldo Carvalho de Melo 856743eb868SArnaldo Carvalho de Melo 8571758af10SArnaldo Carvalho de Melo if (event->header.type == PERF_RECORD_SAMPLE) { 8581758af10SArnaldo Carvalho de Melo perf_event__process_sample(&top->tool, event, evsel, 8591758af10SArnaldo Carvalho de Melo &sample, machine); 8601758af10SArnaldo Carvalho de Melo } else if (event->header.type < PERF_RECORD_MAX) { 8617b27509fSArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, event->header.type); 862b0a7d1a0SArnaldo Carvalho de Melo machine__process_event(machine, event); 8637b27509fSArnaldo Carvalho de Melo } else 86428a6b6aaSArnaldo Carvalho de Melo ++session->stats.nr_unknown_events; 86586470930SIngo Molnar } 86686470930SIngo Molnar } 86786470930SIngo Molnar 8681758af10SArnaldo Carvalho de Melo static void perf_top__mmap_read(struct perf_top *top) 8692f01190aSFrederic Weisbecker { 87070db7533SArnaldo Carvalho de Melo int i; 8712f01190aSFrederic Weisbecker 8721758af10SArnaldo Carvalho de Melo for (i = 0; i < top->evlist->nr_mmaps; i++) 8731758af10SArnaldo Carvalho de Melo perf_top__mmap_read_idx(top, i); 8742f01190aSFrederic Weisbecker } 8752f01190aSFrederic Weisbecker 87611859e82SArnaldo Carvalho de Melo static int perf_top__start_counters(struct perf_top *top) 87772cb7013SArnaldo Carvalho de Melo { 87856e52e85SArnaldo Carvalho de Melo char msg[512]; 8796a4bb04cSJiri Olsa struct perf_evsel *counter; 8801758af10SArnaldo Carvalho de Melo struct perf_evlist *evlist = top->evlist; 8812376c67aSArnaldo Carvalho de Melo struct perf_record_opts *opts = &top->record_opts; 882727ab04eSArnaldo Carvalho de Melo 8832376c67aSArnaldo Carvalho de Melo perf_evlist__config(evlist, opts); 88472cb7013SArnaldo Carvalho de Melo 88572cb7013SArnaldo Carvalho de Melo list_for_each_entry(counter, &evlist->entries, node) { 88672cb7013SArnaldo Carvalho de Melo try_again: 8871758af10SArnaldo Carvalho de Melo if (perf_evsel__open(counter, top->evlist->cpus, 8886a4bb04cSJiri Olsa top->evlist->threads) < 0) { 88956e52e85SArnaldo Carvalho de Melo if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 89072cb7013SArnaldo Carvalho de Melo if (verbose) 891c0a54341SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 89272cb7013SArnaldo Carvalho de Melo goto try_again; 89372cb7013SArnaldo Carvalho de Melo } 894c286c419SArnaldo Carvalho de Melo 89556e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &opts->target, 89656e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 89756e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 898c286c419SArnaldo Carvalho de Melo goto out_err; 89972cb7013SArnaldo Carvalho de Melo } 90072cb7013SArnaldo Carvalho de Melo } 90170db7533SArnaldo Carvalho de Melo 9022376c67aSArnaldo Carvalho de Melo if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { 9033780f488SNamhyung Kim ui__error("Failed to mmap with %d (%s)\n", 904c286c419SArnaldo Carvalho de Melo errno, strerror(errno)); 905c286c419SArnaldo Carvalho de Melo goto out_err; 906c286c419SArnaldo Carvalho de Melo } 907c286c419SArnaldo Carvalho de Melo 90811859e82SArnaldo Carvalho de Melo return 0; 909c286c419SArnaldo Carvalho de Melo 910c286c419SArnaldo Carvalho de Melo out_err: 91111859e82SArnaldo Carvalho de Melo return -1; 91272cb7013SArnaldo Carvalho de Melo } 91372cb7013SArnaldo Carvalho de Melo 9141758af10SArnaldo Carvalho de Melo static int perf_top__setup_sample_type(struct perf_top *top) 91519d4ac3cSArnaldo Carvalho de Melo { 9161758af10SArnaldo Carvalho de Melo if (!top->sort_has_symbols) { 91719d4ac3cSArnaldo Carvalho de Melo if (symbol_conf.use_callchain) { 9183780f488SNamhyung Kim ui__error("Selected -g but \"sym\" not present in --sort/-s."); 91919d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 92019d4ac3cSArnaldo Carvalho de Melo } 9212376c67aSArnaldo Carvalho de Melo } else if (callchain_param.mode != CHAIN_NONE) { 92219d4ac3cSArnaldo Carvalho de Melo if (callchain_register_param(&callchain_param) < 0) { 9233780f488SNamhyung Kim ui__error("Can't register callchain params.\n"); 92419d4ac3cSArnaldo Carvalho de Melo return -EINVAL; 92519d4ac3cSArnaldo Carvalho de Melo } 92619d4ac3cSArnaldo Carvalho de Melo } 92719d4ac3cSArnaldo Carvalho de Melo 92819d4ac3cSArnaldo Carvalho de Melo return 0; 92919d4ac3cSArnaldo Carvalho de Melo } 93019d4ac3cSArnaldo Carvalho de Melo 9311758af10SArnaldo Carvalho de Melo static int __cmd_top(struct perf_top *top) 932716c69feSIngo Molnar { 9332376c67aSArnaldo Carvalho de Melo struct perf_record_opts *opts = &top->record_opts; 934716c69feSIngo Molnar pthread_t thread; 93519d4ac3cSArnaldo Carvalho de Melo int ret; 936d8f66248SArnaldo Carvalho de Melo /* 937b3165f41SArnaldo Carvalho de Melo * FIXME: perf_session__new should allow passing a O_MMAP, so that all this 938b3165f41SArnaldo Carvalho de Melo * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. 939d8f66248SArnaldo Carvalho de Melo */ 9401758af10SArnaldo Carvalho de Melo top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); 9411758af10SArnaldo Carvalho de Melo if (top->session == NULL) 942b3165f41SArnaldo Carvalho de Melo return -ENOMEM; 943716c69feSIngo Molnar 9441758af10SArnaldo Carvalho de Melo ret = perf_top__setup_sample_type(top); 94519d4ac3cSArnaldo Carvalho de Melo if (ret) 94619d4ac3cSArnaldo Carvalho de Melo goto out_delete; 94719d4ac3cSArnaldo Carvalho de Melo 9482376c67aSArnaldo Carvalho de Melo if (perf_target__has_task(&opts->target)) 9491758af10SArnaldo Carvalho de Melo perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, 950743eb868SArnaldo Carvalho de Melo perf_event__process, 951876650e6SArnaldo Carvalho de Melo &top->session->machines.host); 9525b2bb75aSArnaldo Carvalho de Melo else 9531758af10SArnaldo Carvalho de Melo perf_event__synthesize_threads(&top->tool, perf_event__process, 954876650e6SArnaldo Carvalho de Melo &top->session->machines.host); 95511859e82SArnaldo Carvalho de Melo 95611859e82SArnaldo Carvalho de Melo ret = perf_top__start_counters(top); 95711859e82SArnaldo Carvalho de Melo if (ret) 95811859e82SArnaldo Carvalho de Melo goto out_delete; 95911859e82SArnaldo Carvalho de Melo 9601758af10SArnaldo Carvalho de Melo top->session->evlist = top->evlist; 9617b56cce2SArnaldo Carvalho de Melo perf_session__set_id_hdr_size(top->session); 96286470930SIngo Molnar 9632376c67aSArnaldo Carvalho de Melo /* 9642376c67aSArnaldo Carvalho de Melo * When perf is starting the traced process, all the events (apart from 9652376c67aSArnaldo Carvalho de Melo * group members) have enable_on_exec=1 set, so don't spoil it by 9662376c67aSArnaldo Carvalho de Melo * prematurely enabling them. 9672376c67aSArnaldo Carvalho de Melo * 9682376c67aSArnaldo Carvalho de Melo * XXX 'top' still doesn't start workloads like record, trace, but should, 9692376c67aSArnaldo Carvalho de Melo * so leave the check here. 9702376c67aSArnaldo Carvalho de Melo */ 9712376c67aSArnaldo Carvalho de Melo if (!perf_target__none(&opts->target)) 9722376c67aSArnaldo Carvalho de Melo perf_evlist__enable(top->evlist); 9732376c67aSArnaldo Carvalho de Melo 9742f01190aSFrederic Weisbecker /* Wait for a minimal set of events before starting the snapshot */ 9751758af10SArnaldo Carvalho de Melo poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 9762f01190aSFrederic Weisbecker 9771758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 9782f01190aSFrederic Weisbecker 97911859e82SArnaldo Carvalho de Melo ret = -1; 980c0443df1SArnaldo Carvalho de Melo if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : 9811758af10SArnaldo Carvalho de Melo display_thread), top)) { 9823780f488SNamhyung Kim ui__error("Could not create display thread.\n"); 98311859e82SArnaldo Carvalho de Melo goto out_delete; 98486470930SIngo Molnar } 98586470930SIngo Molnar 9861758af10SArnaldo Carvalho de Melo if (top->realtime_prio) { 98786470930SIngo Molnar struct sched_param param; 98886470930SIngo Molnar 9891758af10SArnaldo Carvalho de Melo param.sched_priority = top->realtime_prio; 99086470930SIngo Molnar if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { 9913780f488SNamhyung Kim ui__error("Could not set realtime priority.\n"); 99211859e82SArnaldo Carvalho de Melo goto out_delete; 99386470930SIngo Molnar } 99486470930SIngo Molnar } 99586470930SIngo Molnar 99611859e82SArnaldo Carvalho de Melo while (!done) { 9971758af10SArnaldo Carvalho de Melo u64 hits = top->samples; 99886470930SIngo Molnar 9991758af10SArnaldo Carvalho de Melo perf_top__mmap_read(top); 100086470930SIngo Molnar 10011758af10SArnaldo Carvalho de Melo if (hits == top->samples) 10021758af10SArnaldo Carvalho de Melo ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); 100386470930SIngo Molnar } 100486470930SIngo Molnar 100511859e82SArnaldo Carvalho de Melo ret = 0; 100619d4ac3cSArnaldo Carvalho de Melo out_delete: 10071758af10SArnaldo Carvalho de Melo perf_session__delete(top->session); 10081758af10SArnaldo Carvalho de Melo top->session = NULL; 100919d4ac3cSArnaldo Carvalho de Melo 101011859e82SArnaldo Carvalho de Melo return ret; 101119d4ac3cSArnaldo Carvalho de Melo } 101219d4ac3cSArnaldo Carvalho de Melo 101319d4ac3cSArnaldo Carvalho de Melo static int 10141758af10SArnaldo Carvalho de Melo parse_callchain_opt(const struct option *opt, const char *arg, int unset) 101519d4ac3cSArnaldo Carvalho de Melo { 101619d4ac3cSArnaldo Carvalho de Melo /* 101719d4ac3cSArnaldo Carvalho de Melo * --no-call-graph 101819d4ac3cSArnaldo Carvalho de Melo */ 10192376c67aSArnaldo Carvalho de Melo if (unset) 102019d4ac3cSArnaldo Carvalho de Melo return 0; 102119d4ac3cSArnaldo Carvalho de Melo 102219d4ac3cSArnaldo Carvalho de Melo symbol_conf.use_callchain = true; 102319d4ac3cSArnaldo Carvalho de Melo 10242376c67aSArnaldo Carvalho de Melo return record_parse_callchain_opt(opt, arg, unset); 102586470930SIngo Molnar } 102686470930SIngo Molnar 10271d037ca1SIrina Tirdea int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) 10281758af10SArnaldo Carvalho de Melo { 102916ad2ffbSNamhyung Kim int status; 103016ad2ffbSNamhyung Kim char errbuf[BUFSIZ]; 10311758af10SArnaldo Carvalho de Melo struct perf_top top = { 10321758af10SArnaldo Carvalho de Melo .count_filter = 5, 10331758af10SArnaldo Carvalho de Melo .delay_secs = 2, 10342376c67aSArnaldo Carvalho de Melo .record_opts = { 10352376c67aSArnaldo Carvalho de Melo .mmap_pages = UINT_MAX, 10362376c67aSArnaldo Carvalho de Melo .user_freq = UINT_MAX, 10372376c67aSArnaldo Carvalho de Melo .user_interval = ULLONG_MAX, 1038447a6013SArnaldo Carvalho de Melo .freq = 4000, /* 4 KHz */ 1039d1cb9fceSNamhyung Kim .target = { 1040d1cb9fceSNamhyung Kim .uses_mmap = true, 1041d1cb9fceSNamhyung Kim }, 10422376c67aSArnaldo Carvalho de Melo }, 10432376c67aSArnaldo Carvalho de Melo .sym_pcnt_filter = 5, 10441758af10SArnaldo Carvalho de Melo }; 10452376c67aSArnaldo Carvalho de Melo struct perf_record_opts *opts = &top.record_opts; 10462376c67aSArnaldo Carvalho de Melo struct perf_target *target = &opts->target; 10471758af10SArnaldo Carvalho de Melo const struct option options[] = { 10488c3e10ebSArnaldo Carvalho de Melo OPT_CALLBACK('e', "event", &top.evlist, "event", 104986470930SIngo Molnar "event selector. use 'perf list' to list available events", 1050f120f9d5SJiri Olsa parse_events_option), 10512376c67aSArnaldo Carvalho de Melo OPT_U64('c', "count", &opts->user_interval, "event period to sample"), 10522376c67aSArnaldo Carvalho de Melo OPT_STRING('p', "pid", &target->pid, "pid", 1053d6d901c2SZhang, Yanmin "profile events on existing process id"), 10542376c67aSArnaldo Carvalho de Melo OPT_STRING('t', "tid", &target->tid, "tid", 1055d6d901c2SZhang, Yanmin "profile events on existing thread id"), 10562376c67aSArnaldo Carvalho de Melo OPT_BOOLEAN('a', "all-cpus", &target->system_wide, 105786470930SIngo Molnar "system-wide collection from all CPUs"), 10582376c67aSArnaldo Carvalho de Melo OPT_STRING('C', "cpu", &target->cpu_list, "cpu", 1059c45c6ea2SStephane Eranian "list of cpus to monitor"), 1060b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1061b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 10628c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, 10638ffcda17SArnaldo Carvalho de Melo "hide kernel symbols"), 10642376c67aSArnaldo Carvalho de Melo OPT_UINTEGER('m', "mmap-pages", &opts->mmap_pages, 10652376c67aSArnaldo Carvalho de Melo "number of mmap data pages"), 10661758af10SArnaldo Carvalho de Melo OPT_INTEGER('r', "realtime", &top.realtime_prio, 106786470930SIngo Molnar "collect data with this RT SCHED_FIFO priority"), 10688c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('d', "delay", &top.delay_secs, 106986470930SIngo Molnar "number of seconds to delay between refreshes"), 10701758af10SArnaldo Carvalho de Melo OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, 107186470930SIngo Molnar "dump the symbol table used for profiling"), 10728c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('f', "count-filter", &top.count_filter, 107386470930SIngo Molnar "only display functions with more events than this"), 10742376c67aSArnaldo Carvalho de Melo OPT_BOOLEAN('g', "group", &opts->group, 107586470930SIngo Molnar "put the counters into a counter group"), 10762376c67aSArnaldo Carvalho de Melo OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit, 10772376c67aSArnaldo Carvalho de Melo "child tasks do not inherit counters"), 10781758af10SArnaldo Carvalho de Melo OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", 10796cff0e8dSKirill Smelkov "symbol to annotate"), 10802376c67aSArnaldo Carvalho de Melo OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"), 10812376c67aSArnaldo Carvalho de Melo OPT_UINTEGER('F', "freq", &opts->user_freq, "profile at this frequency"), 10828c3e10ebSArnaldo Carvalho de Melo OPT_INTEGER('E', "entries", &top.print_entries, 108386470930SIngo Molnar "display this many functions"), 10848c3e10ebSArnaldo Carvalho de Melo OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, 10858ffcda17SArnaldo Carvalho de Melo "hide user symbols"), 10861758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), 10871758af10SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), 1088c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 10893da297a6SIngo Molnar "be more verbose (show counter open errors, etc)"), 1090ab81f3fdSArnaldo Carvalho de Melo OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1091ab81f3fdSArnaldo Carvalho de Melo "sort by key(s): pid, comm, dso, symbol, parent"), 1092ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1093ab81f3fdSArnaldo Carvalho de Melo "Show a column with the number of samples"), 10942376c67aSArnaldo Carvalho de Melo OPT_CALLBACK_DEFAULT('G', "call-graph", &top.record_opts, 10952376c67aSArnaldo Carvalho de Melo "mode[,dump_size]", record_callchain_help, 10962376c67aSArnaldo Carvalho de Melo &parse_callchain_opt, "fp"), 1097ab81f3fdSArnaldo Carvalho de Melo OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1098ab81f3fdSArnaldo Carvalho de Melo "Show a column with the sum of periods"), 1099ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1100ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these dsos"), 1101ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1102ab81f3fdSArnaldo Carvalho de Melo "only consider symbols in these comms"), 1103ab81f3fdSArnaldo Carvalho de Melo OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1104ab81f3fdSArnaldo Carvalho de Melo "only consider these symbols"), 110564c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 110664c6f0c7SArnaldo Carvalho de Melo "Interleave source code with assembly code (default)"), 110764c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 110864c6f0c7SArnaldo Carvalho de Melo "Display raw encoding of assembly instructions (default)"), 110964c6f0c7SArnaldo Carvalho de Melo OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 111064c6f0c7SArnaldo Carvalho de Melo "Specify disassembler style (e.g. -M intel for intel syntax)"), 11112376c67aSArnaldo Carvalho de Melo OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), 111286470930SIngo Molnar OPT_END() 111386470930SIngo Molnar }; 1114be772842SArnaldo Carvalho de Melo const char * const top_usage[] = { 1115be772842SArnaldo Carvalho de Melo "perf top [<options>]", 1116be772842SArnaldo Carvalho de Melo NULL 1117be772842SArnaldo Carvalho de Melo }; 111886470930SIngo Molnar 11198c3e10ebSArnaldo Carvalho de Melo top.evlist = perf_evlist__new(NULL, NULL); 11208c3e10ebSArnaldo Carvalho de Melo if (top.evlist == NULL) 1121361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1122361c99a6SArnaldo Carvalho de Melo 1123ab81f3fdSArnaldo Carvalho de Melo symbol_conf.exclude_other = false; 112486470930SIngo Molnar 112586470930SIngo Molnar argc = parse_options(argc, argv, options, top_usage, 0); 112686470930SIngo Molnar if (argc) 112786470930SIngo Molnar usage_with_options(top_usage, options); 112886470930SIngo Molnar 1129ab81f3fdSArnaldo Carvalho de Melo if (sort_order == default_sort_order) 1130ab81f3fdSArnaldo Carvalho de Melo sort_order = "dso,symbol"; 1131ab81f3fdSArnaldo Carvalho de Melo 113255309985SNamhyung Kim if (setup_sorting() < 0) 113355309985SNamhyung Kim usage_with_options(top_usage, options); 1134ab81f3fdSArnaldo Carvalho de Melo 11351758af10SArnaldo Carvalho de Melo if (top.use_stdio) 1136c0443df1SArnaldo Carvalho de Melo use_browser = 0; 11371758af10SArnaldo Carvalho de Melo else if (top.use_tui) 1138c0443df1SArnaldo Carvalho de Melo use_browser = 1; 1139c0443df1SArnaldo Carvalho de Melo 1140c0443df1SArnaldo Carvalho de Melo setup_browser(false); 1141c0443df1SArnaldo Carvalho de Melo 11422376c67aSArnaldo Carvalho de Melo status = perf_target__validate(target); 114316ad2ffbSNamhyung Kim if (status) { 11442376c67aSArnaldo Carvalho de Melo perf_target__strerror(target, status, errbuf, BUFSIZ); 114516ad2ffbSNamhyung Kim ui__warning("%s", errbuf); 114616ad2ffbSNamhyung Kim } 11474bd0f2d2SNamhyung Kim 11482376c67aSArnaldo Carvalho de Melo status = perf_target__parse_uid(target); 114916ad2ffbSNamhyung Kim if (status) { 115016ad2ffbSNamhyung Kim int saved_errno = errno; 115116ad2ffbSNamhyung Kim 11522376c67aSArnaldo Carvalho de Melo perf_target__strerror(target, status, errbuf, BUFSIZ); 11533780f488SNamhyung Kim ui__error("%s", errbuf); 115416ad2ffbSNamhyung Kim 115516ad2ffbSNamhyung Kim status = -saved_errno; 11560d37aa34SArnaldo Carvalho de Melo goto out_delete_evlist; 115716ad2ffbSNamhyung Kim } 11580d37aa34SArnaldo Carvalho de Melo 11592376c67aSArnaldo Carvalho de Melo if (perf_target__none(target)) 11602376c67aSArnaldo Carvalho de Melo target->system_wide = true; 116110b47d54SArnaldo Carvalho de Melo 11622376c67aSArnaldo Carvalho de Melo if (perf_evlist__create_maps(top.evlist, target) < 0) 11637e2ed097SArnaldo Carvalho de Melo usage_with_options(top_usage, options); 11647e2ed097SArnaldo Carvalho de Melo 11658c3e10ebSArnaldo Carvalho de Melo if (!top.evlist->nr_entries && 11668c3e10ebSArnaldo Carvalho de Melo perf_evlist__add_default(top.evlist) < 0) { 11673780f488SNamhyung Kim ui__error("Not enough memory for event selector list\n"); 11680de233b9SArnaldo Carvalho de Melo goto out_delete_maps; 116969aad6f1SArnaldo Carvalho de Melo } 11705a8e5a30SArnaldo Carvalho de Melo 1171d04b35f8SArnaldo Carvalho de Melo symbol_conf.nr_events = top.evlist->nr_entries; 1172d04b35f8SArnaldo Carvalho de Melo 11738c3e10ebSArnaldo Carvalho de Melo if (top.delay_secs < 1) 11748c3e10ebSArnaldo Carvalho de Melo top.delay_secs = 1; 117586470930SIngo Molnar 11762376c67aSArnaldo Carvalho de Melo if (opts->user_interval != ULLONG_MAX) 11772376c67aSArnaldo Carvalho de Melo opts->default_interval = opts->user_interval; 11782376c67aSArnaldo Carvalho de Melo if (opts->user_freq != UINT_MAX) 11792376c67aSArnaldo Carvalho de Melo opts->freq = opts->user_freq; 11802376c67aSArnaldo Carvalho de Melo 11817e4ff9e3SMike Galbraith /* 11827e4ff9e3SMike Galbraith * User specified count overrides default frequency. 11837e4ff9e3SMike Galbraith */ 11842376c67aSArnaldo Carvalho de Melo if (opts->default_interval) 11852376c67aSArnaldo Carvalho de Melo opts->freq = 0; 11862376c67aSArnaldo Carvalho de Melo else if (opts->freq) { 11872376c67aSArnaldo Carvalho de Melo opts->default_interval = opts->freq; 11887e4ff9e3SMike Galbraith } else { 11893780f488SNamhyung Kim ui__error("frequency and count are zero, aborting\n"); 11902376c67aSArnaldo Carvalho de Melo status = -EINVAL; 11910de233b9SArnaldo Carvalho de Melo goto out_delete_maps; 119269aad6f1SArnaldo Carvalho de Melo } 119369aad6f1SArnaldo Carvalho de Melo 11940c21f736SArnaldo Carvalho de Melo top.sym_evsel = perf_evlist__first(top.evlist); 1195cc841580SArnaldo Carvalho de Melo 1196ab81f3fdSArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct annotation); 119769aad6f1SArnaldo Carvalho de Melo 119869aad6f1SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); 119969aad6f1SArnaldo Carvalho de Melo if (symbol__init() < 0) 120069aad6f1SArnaldo Carvalho de Melo return -1; 120169aad6f1SArnaldo Carvalho de Melo 1202ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); 1203ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); 1204ab81f3fdSArnaldo Carvalho de Melo sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); 1205ab81f3fdSArnaldo Carvalho de Melo 120619d4ac3cSArnaldo Carvalho de Melo /* 120719d4ac3cSArnaldo Carvalho de Melo * Avoid annotation data structures overhead when symbols aren't on the 120819d4ac3cSArnaldo Carvalho de Melo * sort list. 120919d4ac3cSArnaldo Carvalho de Melo */ 12101758af10SArnaldo Carvalho de Melo top.sort_has_symbols = sort_sym.list.next != NULL; 121119d4ac3cSArnaldo Carvalho de Melo 12121758af10SArnaldo Carvalho de Melo get_term_dimensions(&top.winsize); 12138c3e10ebSArnaldo Carvalho de Melo if (top.print_entries == 0) { 12141758af10SArnaldo Carvalho de Melo struct sigaction act = { 12151758af10SArnaldo Carvalho de Melo .sa_sigaction = perf_top__sig_winch, 12161758af10SArnaldo Carvalho de Melo .sa_flags = SA_SIGINFO, 12171758af10SArnaldo Carvalho de Melo }; 12181758af10SArnaldo Carvalho de Melo perf_top__update_print_entries(&top); 12191758af10SArnaldo Carvalho de Melo sigaction(SIGWINCH, &act, NULL); 12203b6ed988SArnaldo Carvalho de Melo } 12213b6ed988SArnaldo Carvalho de Melo 12221758af10SArnaldo Carvalho de Melo status = __cmd_top(&top); 1223806fb630SArnaldo Carvalho de Melo 12240de233b9SArnaldo Carvalho de Melo out_delete_maps: 12250de233b9SArnaldo Carvalho de Melo perf_evlist__delete_maps(top.evlist); 12260d37aa34SArnaldo Carvalho de Melo out_delete_evlist: 12278c3e10ebSArnaldo Carvalho de Melo perf_evlist__delete(top.evlist); 122869aad6f1SArnaldo Carvalho de Melo 122969aad6f1SArnaldo Carvalho de Melo return status; 123086470930SIngo Molnar } 1231