Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1 | /* |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 2 | * builtin-top.c |
| 3 | * |
| 4 | * Builtin top command: Display a continuously updated profile of |
| 5 | * any workload, CPU or specific PID. |
| 6 | * |
| 7 | * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 8 | * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 9 | * |
| 10 | * Improvements and fixes by: |
| 11 | * |
| 12 | * Arjan van de Ven <arjan@linux.intel.com> |
| 13 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 14 | * Wu Fengguang <fengguang.wu@intel.com> |
| 15 | * Mike Galbraith <efault@gmx.de> |
| 16 | * Paul Mackerras <paulus@samba.org> |
| 17 | * |
| 18 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 19 | */ |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 20 | #include "builtin.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 21 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 22 | #include "perf.h" |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 23 | |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 24 | #include "util/annotate.h" |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 25 | #include "util/cache.h" |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 26 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 27 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 28 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 29 | #include "util/session.h" |
| 30 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 31 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 32 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 33 | #include "util/top.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 34 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 35 | #include <linux/rbtree.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 36 | #include "util/parse-options.h" |
| 37 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 38 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 39 | #include "util/xyarray.h" |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 40 | #include "util/sort.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 41 | |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 42 | #include "util/debug.h" |
| 43 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 44 | #include <assert.h> |
| 45 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 46 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 47 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 48 | #include <termios.h> |
| 49 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 50 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 51 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 52 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 53 | #include <time.h> |
| 54 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 55 | |
| 56 | #include <sys/syscall.h> |
| 57 | #include <sys/ioctl.h> |
| 58 | #include <sys/poll.h> |
| 59 | #include <sys/prctl.h> |
| 60 | #include <sys/wait.h> |
| 61 | #include <sys/uio.h> |
| 62 | #include <sys/mman.h> |
| 63 | |
| 64 | #include <linux/unistd.h> |
| 65 | #include <linux/types.h> |
| 66 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 67 | |
Arnaldo Carvalho de Melo | 895f0ed | 2010-03-11 20:12:41 -0300 | [diff] [blame] | 68 | void get_term_dimensions(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 69 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 70 | char *s = getenv("LINES"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 71 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 72 | if (s != NULL) { |
| 73 | ws->ws_row = atoi(s); |
| 74 | s = getenv("COLUMNS"); |
| 75 | if (s != NULL) { |
| 76 | ws->ws_col = atoi(s); |
| 77 | if (ws->ws_row && ws->ws_col) |
| 78 | return; |
| 79 | } |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 80 | } |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 81 | #ifdef TIOCGWINSZ |
| 82 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 83 | ws->ws_row && ws->ws_col) |
| 84 | return; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 85 | #endif |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 86 | ws->ws_row = 25; |
| 87 | ws->ws_col = 80; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 88 | } |
| 89 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 90 | static void perf_top__update_print_entries(struct perf_top *top) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 91 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 92 | if (top->print_entries > 9) |
| 93 | top->print_entries -= 9; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 94 | } |
| 95 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 96 | static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *arg) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 97 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 98 | struct perf_top *top = arg; |
| 99 | |
| 100 | get_term_dimensions(&top->winsize); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 101 | if (!top->print_entries |
| 102 | || (top->print_entries+4) > top->winsize.ws_row) { |
| 103 | top->print_entries = top->winsize.ws_row; |
| 104 | } else { |
| 105 | top->print_entries += 4; |
| 106 | top->winsize.ws_row = top->print_entries; |
| 107 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 108 | perf_top__update_print_entries(top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 109 | } |
| 110 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 111 | static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 112 | { |
| 113 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 114 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 115 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 116 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 117 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 118 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 119 | return -1; |
| 120 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 121 | sym = he->ms.sym; |
| 122 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 123 | |
| 124 | /* |
| 125 | * We can't annotate with just /proc/kallsyms |
| 126 | */ |
Arnaldo Carvalho de Melo | 878b439 | 2011-03-11 13:13:36 -0300 | [diff] [blame] | 127 | if (map->dso->symtab_type == SYMTAB__KALLSYMS) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 128 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 129 | "path\n", sym->name); |
| 130 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 131 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 132 | } |
| 133 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 134 | notes = symbol__annotation(sym); |
| 135 | if (notes->src != NULL) { |
| 136 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 137 | goto out_assign; |
| 138 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 139 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 140 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 141 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 142 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 143 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 144 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 145 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 146 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 147 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 148 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 149 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 150 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 151 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 152 | out_assign: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 153 | top->sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 154 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 155 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 156 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 157 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 158 | } |
| 159 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 160 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 161 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 162 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 163 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 164 | } |
| 165 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 166 | static void perf_top__record_precise_ip(struct perf_top *top, |
| 167 | struct hist_entry *he, |
| 168 | int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 169 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 170 | struct annotation *notes; |
| 171 | struct symbol *sym; |
| 172 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 173 | if (he == NULL || he->ms.sym == NULL || |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 174 | ((top->sym_filter_entry == NULL || |
| 175 | top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 176 | return; |
| 177 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 178 | sym = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 179 | notes = symbol__annotation(sym); |
| 180 | |
| 181 | if (pthread_mutex_trylock(¬es->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 182 | return; |
| 183 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 184 | if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 185 | pthread_mutex_unlock(¬es->lock); |
| 186 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 187 | sym->name); |
| 188 | sleep(1); |
| 189 | return; |
| 190 | } |
| 191 | |
| 192 | ip = he->ms.map->map_ip(he->ms.map, ip); |
| 193 | symbol__inc_addr_samples(sym, he->ms.map, counter, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 194 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 195 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 196 | } |
| 197 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 198 | static void perf_top__show_details(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 199 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 200 | struct hist_entry *he = top->sym_filter_entry; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 201 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 202 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 203 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 204 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 205 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 206 | return; |
| 207 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 208 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 209 | notes = symbol__annotation(symbol); |
| 210 | |
| 211 | pthread_mutex_lock(¬es->lock); |
| 212 | |
| 213 | if (notes->src == NULL) |
| 214 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 215 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 216 | printf("Showing %s for %s\n", event_name(top->sym_evsel), symbol->name); |
| 217 | printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 218 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 219 | more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, |
| 220 | 0, top->sym_pcnt_filter, top->print_entries, 4); |
| 221 | if (top->zero) |
| 222 | symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 223 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 224 | symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 225 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 226 | printf("%d lines not displayed, maybe increase display entries [e]\n", more); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 227 | out_unlock: |
| 228 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 229 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 230 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 231 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 232 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 233 | static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
| 234 | struct addr_location *al, |
| 235 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 236 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 237 | struct hist_entry *he; |
| 238 | |
| 239 | he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); |
| 240 | if (he == NULL) |
| 241 | return NULL; |
| 242 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 243 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 244 | return he; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 245 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 246 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 247 | static void perf_top__print_sym_table(struct perf_top *top) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 248 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 249 | char bf[160]; |
| 250 | int printed = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 251 | const int win_width = top->winsize.ws_col - 1; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 252 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 253 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 254 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 255 | perf_top__header_snprintf(top, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 256 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 257 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 258 | perf_top__reset_sample_counters(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 259 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 260 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 261 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 262 | if (top->sym_evsel->hists.stats.nr_lost_warned != |
| 263 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { |
| 264 | top->sym_evsel->hists.stats.nr_lost_warned = |
| 265 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 266 | color_fprintf(stdout, PERF_COLOR_RED, |
| 267 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 268 | top->sym_evsel->hists.stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 269 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 270 | } |
| 271 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 272 | if (top->sym_filter_entry) { |
| 273 | perf_top__show_details(top); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 274 | return; |
| 275 | } |
| 276 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 277 | hists__collapse_resort_threaded(&top->sym_evsel->hists); |
| 278 | hists__output_resort_threaded(&top->sym_evsel->hists); |
| 279 | hists__decay_entries_threaded(&top->sym_evsel->hists, |
| 280 | top->hide_user_symbols, |
| 281 | top->hide_kernel_symbols); |
| 282 | hists__output_recalc_col_len(&top->sym_evsel->hists, |
| 283 | top->winsize.ws_row - 3); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 284 | putchar('\n'); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 285 | hists__fprintf(&top->sym_evsel->hists, NULL, false, false, |
| 286 | top->winsize.ws_row - 4 - printed, win_width, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 287 | } |
| 288 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 289 | static void prompt_integer(int *target, const char *msg) |
| 290 | { |
| 291 | char *buf = malloc(0), *p; |
| 292 | size_t dummy = 0; |
| 293 | int tmp; |
| 294 | |
| 295 | fprintf(stdout, "\n%s: ", msg); |
| 296 | if (getline(&buf, &dummy, stdin) < 0) |
| 297 | return; |
| 298 | |
| 299 | p = strchr(buf, '\n'); |
| 300 | if (p) |
| 301 | *p = 0; |
| 302 | |
| 303 | p = buf; |
| 304 | while(*p) { |
| 305 | if (!isdigit(*p)) |
| 306 | goto out_free; |
| 307 | p++; |
| 308 | } |
| 309 | tmp = strtoul(buf, NULL, 10); |
| 310 | *target = tmp; |
| 311 | out_free: |
| 312 | free(buf); |
| 313 | } |
| 314 | |
| 315 | static void prompt_percent(int *target, const char *msg) |
| 316 | { |
| 317 | int tmp = 0; |
| 318 | |
| 319 | prompt_integer(&tmp, msg); |
| 320 | if (tmp >= 0 && tmp <= 100) |
| 321 | *target = tmp; |
| 322 | } |
| 323 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 324 | static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 325 | { |
| 326 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 327 | struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 328 | struct rb_node *next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 329 | size_t dummy = 0; |
| 330 | |
| 331 | /* zero counters of active symbol */ |
| 332 | if (syme) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 333 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 334 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | fprintf(stdout, "\n%s: ", msg); |
| 338 | if (getline(&buf, &dummy, stdin) < 0) |
| 339 | goto out_free; |
| 340 | |
| 341 | p = strchr(buf, '\n'); |
| 342 | if (p) |
| 343 | *p = 0; |
| 344 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 345 | next = rb_first(&top->sym_evsel->hists.entries); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 346 | while (next) { |
| 347 | n = rb_entry(next, struct hist_entry, rb_node); |
| 348 | if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { |
| 349 | found = n; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 350 | break; |
| 351 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 352 | next = rb_next(&n->rb_node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 356 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 357 | sleep(1); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 358 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 359 | perf_top__parse_source(top, found); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 360 | |
| 361 | out_free: |
| 362 | free(buf); |
| 363 | } |
| 364 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 365 | static void perf_top__print_mapped_keys(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 366 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 367 | char *name = NULL; |
| 368 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 369 | if (top->sym_filter_entry) { |
| 370 | struct symbol *sym = top->sym_filter_entry->ms.sym; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 371 | name = sym->name; |
| 372 | } |
| 373 | |
| 374 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 375 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); |
| 376 | fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 377 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 378 | if (top->evlist->nr_entries > 1) |
| 379 | fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top->sym_evsel)); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 380 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 381 | fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 382 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 383 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 384 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 385 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 386 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 387 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 388 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 389 | top->hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 390 | fprintf(stdout, |
| 391 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 392 | top->hide_user_symbols ? "yes" : "no"); |
| 393 | fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 394 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 395 | } |
| 396 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 397 | static int perf_top__key_mapped(struct perf_top *top, int c) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 398 | { |
| 399 | switch (c) { |
| 400 | case 'd': |
| 401 | case 'e': |
| 402 | case 'f': |
| 403 | case 'z': |
| 404 | case 'q': |
| 405 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 406 | case 'K': |
| 407 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 408 | case 'F': |
| 409 | case 's': |
| 410 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 411 | return 1; |
| 412 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 413 | return top->evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 414 | default: |
| 415 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 419 | } |
| 420 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 421 | static void perf_top__handle_keypress(struct perf_top *top, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 422 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 423 | if (!perf_top__key_mapped(top, c)) { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 424 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 425 | struct termios tc, save; |
| 426 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 427 | perf_top__print_mapped_keys(top); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 428 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 429 | fflush(stdout); |
| 430 | |
| 431 | tcgetattr(0, &save); |
| 432 | tc = save; |
| 433 | tc.c_lflag &= ~(ICANON | ECHO); |
| 434 | tc.c_cc[VMIN] = 0; |
| 435 | tc.c_cc[VTIME] = 0; |
| 436 | tcsetattr(0, TCSANOW, &tc); |
| 437 | |
| 438 | poll(&stdin_poll, 1, -1); |
| 439 | c = getc(stdin); |
| 440 | |
| 441 | tcsetattr(0, TCSAFLUSH, &save); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 442 | if (!perf_top__key_mapped(top, c)) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 443 | return; |
| 444 | } |
| 445 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 446 | switch (c) { |
| 447 | case 'd': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 448 | prompt_integer(&top->delay_secs, "Enter display delay"); |
| 449 | if (top->delay_secs < 1) |
| 450 | top->delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 451 | break; |
| 452 | case 'e': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 453 | prompt_integer(&top->print_entries, "Enter display entries (lines)"); |
| 454 | if (top->print_entries == 0) { |
| 455 | struct sigaction act = { |
| 456 | .sa_sigaction = perf_top__sig_winch, |
| 457 | .sa_flags = SA_SIGINFO, |
| 458 | }; |
| 459 | perf_top__sig_winch(SIGWINCH, NULL, top); |
| 460 | sigaction(SIGWINCH, &act, NULL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 461 | } else { |
| 462 | perf_top__sig_winch(SIGWINCH, NULL, top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 463 | signal(SIGWINCH, SIG_DFL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 464 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 465 | break; |
| 466 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 467 | if (top->evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 468 | /* Select 0 as the default event: */ |
| 469 | int counter = 0; |
| 470 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 471 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 472 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 473 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
| 474 | fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, event_name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 475 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 476 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 477 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 478 | if (counter >= top->evlist->nr_entries) { |
| 479 | top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node); |
| 480 | fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 481 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 482 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 483 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 484 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
| 485 | if (top->sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 486 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 487 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 488 | top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 489 | break; |
| 490 | case 'f': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 491 | prompt_integer(&top->count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 492 | break; |
| 493 | case 'F': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 494 | prompt_percent(&top->sym_pcnt_filter, |
| 495 | "Enter details display event filter (percent)"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 496 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 497 | case 'K': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 498 | top->hide_kernel_symbols = !top->hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 499 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 500 | case 'q': |
| 501 | case 'Q': |
| 502 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 503 | if (top->dump_symtab) |
| 504 | perf_session__fprintf_dsos(top->session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 505 | exit(0); |
| 506 | case 's': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 507 | perf_top__prompt_symbol(top, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 508 | break; |
| 509 | case 'S': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 510 | if (!top->sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 511 | break; |
| 512 | else { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 513 | struct hist_entry *syme = top->sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 514 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 515 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 516 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 517 | } |
| 518 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 519 | case 'U': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 520 | top->hide_user_symbols = !top->hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 521 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 522 | case 'z': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 523 | top->zero = !top->zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 524 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 525 | default: |
| 526 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 527 | } |
| 528 | } |
| 529 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 530 | static void perf_top__sort_new_samples(void *arg) |
| 531 | { |
| 532 | struct perf_top *t = arg; |
| 533 | perf_top__reset_sample_counters(t); |
| 534 | |
| 535 | if (t->evlist->selected != NULL) |
| 536 | t->sym_evsel = t->evlist->selected; |
| 537 | |
| 538 | hists__collapse_resort_threaded(&t->sym_evsel->hists); |
| 539 | hists__output_resort_threaded(&t->sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 540 | hists__decay_entries_threaded(&t->sym_evsel->hists, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 541 | t->hide_user_symbols, |
| 542 | t->hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 543 | } |
| 544 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 545 | static void *display_thread_tui(void *arg) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 546 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 547 | struct perf_top *top = arg; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 548 | const char *help = "For a higher level overview, try: perf top --sort comm,dso"; |
| 549 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 550 | perf_top__sort_new_samples(top); |
| 551 | perf_evlist__tui_browse_hists(top->evlist, help, |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 552 | perf_top__sort_new_samples, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 553 | top, top->delay_secs); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 554 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 555 | exit_browser(0); |
| 556 | exit(0); |
| 557 | return NULL; |
| 558 | } |
| 559 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 560 | static void *display_thread(void *arg) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 561 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 562 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 563 | struct termios tc, save; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 564 | struct perf_top *top = arg; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 565 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 566 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 567 | tcgetattr(0, &save); |
| 568 | tc = save; |
| 569 | tc.c_lflag &= ~(ICANON | ECHO); |
| 570 | tc.c_cc[VMIN] = 0; |
| 571 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 572 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 573 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 574 | repeat: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 575 | delay_msecs = top->delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 576 | tcsetattr(0, TCSANOW, &tc); |
| 577 | /* trash return*/ |
| 578 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 579 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 580 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 581 | perf_top__print_sym_table(top); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 582 | /* |
| 583 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 584 | * refresh screen in both cases. |
| 585 | */ |
| 586 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 587 | case 0: |
| 588 | continue; |
| 589 | case -1: |
| 590 | if (errno == EINTR) |
| 591 | continue; |
| 592 | /* Fall trhu */ |
| 593 | default: |
| 594 | goto process_hotkey; |
| 595 | } |
| 596 | } |
| 597 | process_hotkey: |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 598 | c = getc(stdin); |
| 599 | tcsetattr(0, TCSAFLUSH, &save); |
| 600 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 601 | perf_top__handle_keypress(top, c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 602 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 603 | |
| 604 | return NULL; |
| 605 | } |
| 606 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 607 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 608 | static const char *skip_symbols[] = { |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 609 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 610 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 611 | "cpu_idle", |
| 612 | "enter_idle", |
| 613 | "exit_idle", |
| 614 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 615 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 616 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 617 | "ppc64_runlatch_off", |
| 618 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 619 | NULL |
| 620 | }; |
| 621 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 622 | static int symbol_filter(struct map *map __used, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 623 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 624 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 625 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 626 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 627 | /* |
| 628 | * ppc64 uses function descriptors and appends a '.' to the |
| 629 | * start of every instruction address. Remove it. |
| 630 | */ |
| 631 | if (name[0] == '.') |
| 632 | name++; |
| 633 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 634 | if (!strcmp(name, "_text") || |
| 635 | !strcmp(name, "_etext") || |
| 636 | !strcmp(name, "_sinittext") || |
| 637 | !strncmp("init_module", name, 11) || |
| 638 | !strncmp("cleanup_module", name, 14) || |
| 639 | strstr(name, "_text_start") || |
| 640 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 641 | return 1; |
| 642 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 643 | for (i = 0; skip_symbols[i]; i++) { |
| 644 | if (!strcmp(skip_symbols[i], name)) { |
Arnaldo Carvalho de Melo | 171b3be | 2011-03-11 13:36:01 -0300 | [diff] [blame] | 645 | sym->ignore = true; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 646 | break; |
| 647 | } |
| 648 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 649 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 650 | return 0; |
| 651 | } |
| 652 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 653 | static void perf_event__process_sample(struct perf_tool *tool, |
| 654 | const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 655 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 656 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 657 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 658 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 659 | struct perf_top *top = container_of(tool, struct perf_top, tool); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 660 | struct symbol *parent = NULL; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 661 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 662 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 663 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 664 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 665 | if (!machine && perf_guest) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 666 | pr_err("Can't find guest [%d]'s kernel information\n", |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 667 | event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 668 | return; |
| 669 | } |
| 670 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 671 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 672 | top->exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 673 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 674 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 675 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 676 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 677 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 678 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 679 | if (!top->kptr_restrict_warned && |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 680 | symbol_conf.kptr_restrict && |
| 681 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 682 | ui__warning( |
| 683 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 684 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 685 | "Kernel%s samples will not be resolved.\n", |
| 686 | !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
| 687 | " modules" : ""); |
| 688 | if (use_browser <= 0) |
| 689 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 690 | top->kptr_restrict_warned = true; |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 691 | } |
| 692 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 693 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 694 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 695 | /* |
| 696 | * As we do lazy loading of symtabs we only will know if the |
| 697 | * specified vmlinux file is invalid when we actually have a |
| 698 | * hit in kernel space and then try to load it. So if we get |
| 699 | * here and there are _no_ symbols in the DSO backing the |
| 700 | * kernel map, bail out. |
| 701 | * |
| 702 | * We may never get here, for instance, if we use -K/ |
| 703 | * --hide-kernel-symbols, even if the user specifies an |
| 704 | * invalid --vmlinux ;-) |
| 705 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 706 | if (!top->kptr_restrict_warned && !top->vmlinux_warned && |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 707 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 708 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 709 | if (symbol_conf.vmlinux_name) { |
| 710 | ui__warning("The %s file can't be used.\n%s", |
| 711 | symbol_conf.vmlinux_name, msg); |
| 712 | } else { |
| 713 | ui__warning("A vmlinux file was not found.\n%s", |
| 714 | msg); |
| 715 | } |
| 716 | |
| 717 | if (use_browser <= 0) |
| 718 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 719 | top->vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 720 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 721 | } |
| 722 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 723 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 724 | struct hist_entry *he; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 725 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 726 | if ((sort__has_parent || symbol_conf.use_callchain) && |
| 727 | sample->callchain) { |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 728 | err = machine__resolve_callchain(machine, evsel, al.thread, |
| 729 | sample->callchain, &parent); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 730 | if (err) |
| 731 | return; |
| 732 | } |
| 733 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 734 | he = perf_evsel__add_hist_entry(evsel, &al, sample); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 735 | if (he == NULL) { |
| 736 | pr_err("Problem incrementing symbol period, skipping event\n"); |
| 737 | return; |
Arnaldo Carvalho de Melo | 5807806 | 2011-03-01 10:43:03 -0300 | [diff] [blame] | 738 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 739 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 740 | if (symbol_conf.use_callchain) { |
Arnaldo Carvalho de Melo | 246d4ce | 2011-11-11 23:10:26 -0200 | [diff] [blame] | 741 | err = callchain_append(he->callchain, &evsel->hists.callchain_cursor, |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 742 | sample->period); |
| 743 | if (err) |
| 744 | return; |
| 745 | } |
| 746 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 747 | if (top->sort_has_symbols) |
| 748 | perf_top__record_precise_ip(top, he, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 749 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 750 | |
| 751 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 752 | } |
| 753 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 754 | static void perf_top__mmap_read_idx(struct perf_top *top, int idx) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 755 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 756 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 757 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 758 | struct perf_session *session = top->session; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 759 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 760 | struct machine *machine; |
| 761 | u8 origin; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 762 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 763 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 764 | while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { |
| 765 | ret = perf_session__parse_sample(session, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 766 | if (ret) { |
| 767 | pr_err("Can't parse sample, err = %d\n", ret); |
| 768 | continue; |
| 769 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 770 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 771 | evsel = perf_evlist__id2evsel(session->evlist, sample.id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 772 | assert(evsel != NULL); |
| 773 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 774 | origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 775 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 776 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 777 | ++top->samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 778 | |
| 779 | switch (origin) { |
| 780 | case PERF_RECORD_MISC_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 781 | ++top->us_samples; |
| 782 | if (top->hide_user_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 783 | continue; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 784 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 785 | break; |
| 786 | case PERF_RECORD_MISC_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 787 | ++top->kernel_samples; |
| 788 | if (top->hide_kernel_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 789 | continue; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 790 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 791 | break; |
| 792 | case PERF_RECORD_MISC_GUEST_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 793 | ++top->guest_kernel_samples; |
| 794 | machine = perf_session__find_machine(session, event->ip.pid); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 795 | break; |
| 796 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 797 | ++top->guest_us_samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 798 | /* |
| 799 | * TODO: we don't process guest user from host side |
| 800 | * except simple counting. |
| 801 | */ |
| 802 | /* Fall thru */ |
| 803 | default: |
| 804 | continue; |
| 805 | } |
| 806 | |
| 807 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 808 | if (event->header.type == PERF_RECORD_SAMPLE) { |
| 809 | perf_event__process_sample(&top->tool, event, evsel, |
| 810 | &sample, machine); |
| 811 | } else if (event->header.type < PERF_RECORD_MAX) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 812 | hists__inc_nr_events(&evsel->hists, event->header.type); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 813 | perf_event__process(&top->tool, event, &sample, machine); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 814 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 815 | ++session->hists.stats.nr_unknown_events; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 816 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 817 | } |
| 818 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 819 | static void perf_top__mmap_read(struct perf_top *top) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 820 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 821 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 822 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 823 | for (i = 0; i < top->evlist->nr_mmaps; i++) |
| 824 | perf_top__mmap_read_idx(top, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 825 | } |
| 826 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 827 | static void perf_top__start_counters(struct perf_top *top) |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 828 | { |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 829 | struct perf_evsel *counter, *first; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 830 | struct perf_evlist *evlist = top->evlist; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 831 | |
| 832 | first = list_entry(evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 833 | |
| 834 | list_for_each_entry(counter, &evlist->entries, node) { |
| 835 | struct perf_event_attr *attr = &counter->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 836 | struct xyarray *group_fd = NULL; |
| 837 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 838 | if (top->group && counter != first) |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 839 | group_fd = first->fd; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 840 | |
| 841 | attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; |
| 842 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 843 | if (top->freq) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 844 | attr->sample_type |= PERF_SAMPLE_PERIOD; |
| 845 | attr->freq = 1; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 846 | attr->sample_freq = top->freq; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 847 | } |
| 848 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 849 | if (evlist->nr_entries > 1) { |
| 850 | attr->sample_type |= PERF_SAMPLE_ID; |
| 851 | attr->read_format |= PERF_FORMAT_ID; |
| 852 | } |
| 853 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 854 | if (symbol_conf.use_callchain) |
| 855 | attr->sample_type |= PERF_SAMPLE_CALLCHAIN; |
| 856 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 857 | attr->mmap = 1; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 858 | attr->comm = 1; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 859 | attr->inherit = top->inherit; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 860 | retry_sample_id: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 861 | attr->sample_id_all = top->sample_id_all_avail ? 1 : 0; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 862 | try_again: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 863 | if (perf_evsel__open(counter, top->evlist->cpus, |
| 864 | top->evlist->threads, top->group, |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 865 | group_fd) < 0) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 866 | int err = errno; |
| 867 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 868 | if (err == EPERM || err == EACCES) { |
Arnaldo Carvalho de Melo | b8631e6 | 2011-10-26 08:02:55 -0200 | [diff] [blame] | 869 | ui__error_paranoid(); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 870 | goto out_err; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 871 | } else if (err == EINVAL && top->sample_id_all_avail) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 872 | /* |
| 873 | * Old kernel, no attr->sample_id_type_all field |
| 874 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 875 | top->sample_id_all_avail = false; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 876 | goto retry_sample_id; |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 877 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 878 | /* |
| 879 | * If it's cycles then fall back to hrtimer |
| 880 | * based cpu-clock-tick sw counter, which |
| 881 | * is always available even if no PMU support: |
| 882 | */ |
| 883 | if (attr->type == PERF_TYPE_HARDWARE && |
| 884 | attr->config == PERF_COUNT_HW_CPU_CYCLES) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 885 | if (verbose) |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 886 | ui__warning("Cycles event not supported,\n" |
| 887 | "trying to fall back to cpu-clock-ticks\n"); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 888 | |
| 889 | attr->type = PERF_TYPE_SOFTWARE; |
| 890 | attr->config = PERF_COUNT_SW_CPU_CLOCK; |
| 891 | goto try_again; |
| 892 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 893 | |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 894 | if (err == ENOENT) { |
| 895 | ui__warning("The %s event is not supported.\n", |
| 896 | event_name(counter)); |
| 897 | goto out_err; |
Namhyung Kim | cdce445 | 2012-01-08 02:25:27 +0900 | [diff] [blame] | 898 | } else if (err == EMFILE) { |
| 899 | ui__warning("Too many events are opened.\n" |
| 900 | "Try again after reducing the number of events\n"); |
| 901 | goto out_err; |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 902 | } |
| 903 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 904 | ui__warning("The sys_perf_event_open() syscall " |
| 905 | "returned with %d (%s). /bin/dmesg " |
| 906 | "may provide additional information.\n" |
| 907 | "No CONFIG_PERF_EVENTS=y kernel support " |
| 908 | "configured?\n", err, strerror(err)); |
| 909 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 910 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 911 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 912 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 913 | if (perf_evlist__mmap(evlist, top->mmap_pages, false) < 0) { |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 914 | ui__warning("Failed to mmap with %d (%s)\n", |
| 915 | errno, strerror(errno)); |
| 916 | goto out_err; |
| 917 | } |
| 918 | |
| 919 | return; |
| 920 | |
| 921 | out_err: |
| 922 | exit_browser(0); |
| 923 | exit(0); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 924 | } |
| 925 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 926 | static int perf_top__setup_sample_type(struct perf_top *top) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 927 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 928 | if (!top->sort_has_symbols) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 929 | if (symbol_conf.use_callchain) { |
| 930 | ui__warning("Selected -g but \"sym\" not present in --sort/-s."); |
| 931 | return -EINVAL; |
| 932 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 933 | } else if (!top->dont_use_callchains && callchain_param.mode != CHAIN_NONE) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 934 | if (callchain_register_param(&callchain_param) < 0) { |
| 935 | ui__warning("Can't register callchain params.\n"); |
| 936 | return -EINVAL; |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | return 0; |
| 941 | } |
| 942 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 943 | static int __cmd_top(struct perf_top *top) |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 944 | { |
| 945 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 946 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 947 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 948 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 949 | * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 950 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 951 | top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
| 952 | if (top->session == NULL) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 953 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 954 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 955 | ret = perf_top__setup_sample_type(top); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 956 | if (ret) |
| 957 | goto out_delete; |
| 958 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 959 | if (top->target_tid != -1) |
| 960 | perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 961 | perf_event__process, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 962 | &top->session->host_machine); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 963 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 964 | perf_event__synthesize_threads(&top->tool, perf_event__process, |
| 965 | &top->session->host_machine); |
| 966 | perf_top__start_counters(top); |
| 967 | top->session->evlist = top->evlist; |
| 968 | perf_session__update_sample_type(top->session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 969 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 970 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 971 | poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 972 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 973 | perf_top__mmap_read(top); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 974 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 975 | if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 976 | display_thread), top)) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 977 | printf("Could not create display thread.\n"); |
| 978 | exit(-1); |
| 979 | } |
| 980 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 981 | if (top->realtime_prio) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 982 | struct sched_param param; |
| 983 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 984 | param.sched_priority = top->realtime_prio; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 985 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
| 986 | printf("Could not set realtime priority.\n"); |
| 987 | exit(-1); |
| 988 | } |
| 989 | } |
| 990 | |
| 991 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 992 | u64 hits = top->samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 993 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 994 | perf_top__mmap_read(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 995 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 996 | if (hits == top->samples) |
| 997 | ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 998 | } |
| 999 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1000 | out_delete: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1001 | perf_session__delete(top->session); |
| 1002 | top->session = NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1003 | |
| 1004 | return 0; |
| 1005 | } |
| 1006 | |
| 1007 | static int |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1008 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1009 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1010 | struct perf_top *top = (struct perf_top *)opt->value; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1011 | char *tok, *tok2; |
| 1012 | char *endptr; |
| 1013 | |
| 1014 | /* |
| 1015 | * --no-call-graph |
| 1016 | */ |
| 1017 | if (unset) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1018 | top->dont_use_callchains = true; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1019 | return 0; |
| 1020 | } |
| 1021 | |
| 1022 | symbol_conf.use_callchain = true; |
| 1023 | |
| 1024 | if (!arg) |
| 1025 | return 0; |
| 1026 | |
| 1027 | tok = strtok((char *)arg, ","); |
| 1028 | if (!tok) |
| 1029 | return -1; |
| 1030 | |
| 1031 | /* get the output mode */ |
| 1032 | if (!strncmp(tok, "graph", strlen(arg))) |
| 1033 | callchain_param.mode = CHAIN_GRAPH_ABS; |
| 1034 | |
| 1035 | else if (!strncmp(tok, "flat", strlen(arg))) |
| 1036 | callchain_param.mode = CHAIN_FLAT; |
| 1037 | |
| 1038 | else if (!strncmp(tok, "fractal", strlen(arg))) |
| 1039 | callchain_param.mode = CHAIN_GRAPH_REL; |
| 1040 | |
| 1041 | else if (!strncmp(tok, "none", strlen(arg))) { |
| 1042 | callchain_param.mode = CHAIN_NONE; |
| 1043 | symbol_conf.use_callchain = false; |
| 1044 | |
| 1045 | return 0; |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1046 | } else |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1047 | return -1; |
| 1048 | |
| 1049 | /* get the min percentage */ |
| 1050 | tok = strtok(NULL, ","); |
| 1051 | if (!tok) |
| 1052 | goto setup; |
| 1053 | |
| 1054 | callchain_param.min_percent = strtod(tok, &endptr); |
| 1055 | if (tok == endptr) |
| 1056 | return -1; |
| 1057 | |
| 1058 | /* get the print limit */ |
| 1059 | tok2 = strtok(NULL, ","); |
| 1060 | if (!tok2) |
| 1061 | goto setup; |
| 1062 | |
| 1063 | if (tok2[0] != 'c') { |
| 1064 | callchain_param.print_limit = strtod(tok2, &endptr); |
| 1065 | tok2 = strtok(NULL, ","); |
| 1066 | if (!tok2) |
| 1067 | goto setup; |
| 1068 | } |
| 1069 | |
| 1070 | /* get the call chain order */ |
| 1071 | if (!strcmp(tok2, "caller")) |
| 1072 | callchain_param.order = ORDER_CALLER; |
| 1073 | else if (!strcmp(tok2, "callee")) |
| 1074 | callchain_param.order = ORDER_CALLEE; |
| 1075 | else |
| 1076 | return -1; |
| 1077 | setup: |
| 1078 | if (callchain_register_param(&callchain_param) < 0) { |
| 1079 | fprintf(stderr, "Can't register callchain params\n"); |
| 1080 | return -1; |
| 1081 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1082 | return 0; |
| 1083 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1084 | |
| 1085 | static const char * const top_usage[] = { |
| 1086 | "perf top [<options>]", |
| 1087 | NULL |
| 1088 | }; |
| 1089 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1090 | int cmd_top(int argc, const char **argv, const char *prefix __used) |
| 1091 | { |
| 1092 | struct perf_evsel *pos; |
| 1093 | int status = -ENOMEM; |
| 1094 | struct perf_top top = { |
| 1095 | .count_filter = 5, |
| 1096 | .delay_secs = 2, |
| 1097 | .target_pid = -1, |
| 1098 | .target_tid = -1, |
| 1099 | .freq = 1000, /* 1 KHz */ |
| 1100 | .sample_id_all_avail = true, |
| 1101 | .mmap_pages = 128, |
| 1102 | .sym_pcnt_filter = 5, |
| 1103 | }; |
| 1104 | char callchain_default_opt[] = "fractal,0.5,callee"; |
| 1105 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1106 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1107 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1108 | parse_events_option), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1109 | OPT_INTEGER('c', "count", &top.default_interval, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1110 | "event period to sample"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1111 | OPT_INTEGER('p', "pid", &top.target_pid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1112 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1113 | OPT_INTEGER('t', "tid", &top.target_tid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1114 | "profile events on existing thread id"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1115 | OPT_BOOLEAN('a', "all-cpus", &top.system_wide, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1116 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1117 | OPT_STRING('C', "cpu", &top.cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1118 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1119 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1120 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1121 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1122 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1123 | OPT_UINTEGER('m', "mmap-pages", &top.mmap_pages, "number of mmap data pages"), |
| 1124 | OPT_INTEGER('r', "realtime", &top.realtime_prio, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1125 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1126 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1127 | "number of seconds to delay between refreshes"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1128 | OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1129 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1130 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1131 | "only display functions with more events than this"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1132 | OPT_BOOLEAN('g', "group", &top.group, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1133 | "put the counters into a counter group"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1134 | OPT_BOOLEAN('i', "inherit", &top.inherit, |
Mike Galbraith | 0fdc7e6 | 2009-07-21 10:30:36 +0200 | [diff] [blame] | 1135 | "child tasks inherit counters"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1136 | OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1137 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1138 | OPT_BOOLEAN('z', "zero", &top.zero, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1139 | "zero history across updates"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1140 | OPT_INTEGER('F', "freq", &top.freq, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1141 | "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1142 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1143 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1144 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1145 | "hide user symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1146 | OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), |
| 1147 | OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1148 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1149 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1150 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
| 1151 | "sort by key(s): pid, comm, dso, symbol, parent"), |
| 1152 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1153 | "Show a column with the number of samples"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1154 | OPT_CALLBACK_DEFAULT('G', "call-graph", &top, "output_type,min_percent, call_order", |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1155 | "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " |
| 1156 | "Default: fractal,0.5,callee", &parse_callchain_opt, |
| 1157 | callchain_default_opt), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1158 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1159 | "Show a column with the sum of periods"), |
| 1160 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1161 | "only consider symbols in these dsos"), |
| 1162 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1163 | "only consider symbols in these comms"), |
| 1164 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1165 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1166 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1167 | "Interleave source code with assembly code (default)"), |
| 1168 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1169 | "Display raw encoding of assembly instructions (default)"), |
| 1170 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1171 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1172 | OPT_END() |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1173 | }; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1174 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1175 | top.evlist = perf_evlist__new(NULL, NULL); |
| 1176 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1177 | return -ENOMEM; |
| 1178 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1179 | symbol_conf.exclude_other = false; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1180 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1181 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1182 | if (argc) |
| 1183 | usage_with_options(top_usage, options); |
| 1184 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1185 | if (sort_order == default_sort_order) |
| 1186 | sort_order = "dso,symbol"; |
| 1187 | |
| 1188 | setup_sorting(top_usage, options); |
| 1189 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1190 | if (top.use_stdio) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1191 | use_browser = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1192 | else if (top.use_tui) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1193 | use_browser = 1; |
| 1194 | |
| 1195 | setup_browser(false); |
| 1196 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1197 | /* CPU and PID are mutually exclusive */ |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1198 | if (top.target_tid > 0 && top.cpu_list) { |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1199 | printf("WARNING: PID switch overriding CPU\n"); |
| 1200 | sleep(1); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1201 | top.cpu_list = NULL; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1202 | } |
| 1203 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1204 | if (top.target_pid != -1) |
| 1205 | top.target_tid = top.target_pid; |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1206 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1207 | if (perf_evlist__create_maps(top.evlist, top.target_pid, |
| 1208 | top.target_tid, top.cpu_list) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1209 | usage_with_options(top_usage, options); |
| 1210 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1211 | if (!top.evlist->nr_entries && |
| 1212 | perf_evlist__add_default(top.evlist) < 0) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1213 | pr_err("Not enough memory for event selector list\n"); |
| 1214 | return -ENOMEM; |
| 1215 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1216 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1217 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1218 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1219 | if (top.delay_secs < 1) |
| 1220 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1221 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1222 | /* |
| 1223 | * User specified count overrides default frequency. |
| 1224 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1225 | if (top.default_interval) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1226 | top.freq = 0; |
| 1227 | else if (top.freq) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1228 | top.default_interval = top.freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1229 | } else { |
| 1230 | fprintf(stderr, "frequency and count are zero, aborting\n"); |
| 1231 | exit(EXIT_FAILURE); |
| 1232 | } |
| 1233 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1234 | list_for_each_entry(pos, &top.evlist->entries, node) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1235 | /* |
| 1236 | * Fill in the ones not specifically initialized via -c: |
| 1237 | */ |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1238 | if (!pos->attr.sample_period) |
| 1239 | pos->attr.sample_period = top.default_interval; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1240 | } |
| 1241 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1242 | top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1243 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1244 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1245 | |
| 1246 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1247 | if (symbol__init() < 0) |
| 1248 | return -1; |
| 1249 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1250 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); |
| 1251 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
| 1252 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); |
| 1253 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1254 | /* |
| 1255 | * Avoid annotation data structures overhead when symbols aren't on the |
| 1256 | * sort list. |
| 1257 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1258 | top.sort_has_symbols = sort_sym.list.next != NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1259 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1260 | get_term_dimensions(&top.winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1261 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1262 | struct sigaction act = { |
| 1263 | .sa_sigaction = perf_top__sig_winch, |
| 1264 | .sa_flags = SA_SIGINFO, |
| 1265 | }; |
| 1266 | perf_top__update_print_entries(&top); |
| 1267 | sigaction(SIGWINCH, &act, NULL); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1268 | } |
| 1269 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1270 | status = __cmd_top(&top); |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1271 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1272 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1273 | |
| 1274 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1275 | } |