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> |
| 8 | * |
| 9 | * Improvements and fixes by: |
| 10 | * |
| 11 | * Arjan van de Ven <arjan@linux.intel.com> |
| 12 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 13 | * Wu Fengguang <fengguang.wu@intel.com> |
| 14 | * Mike Galbraith <efault@gmx.de> |
| 15 | * Paul Mackerras <paulus@samba.org> |
| 16 | * |
| 17 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 18 | */ |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 19 | #include "builtin.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 20 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 21 | #include "perf.h" |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 22 | |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 23 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 24 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 25 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 26 | #include "util/session.h" |
| 27 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 28 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 29 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 30 | #include "util/top.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 31 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 32 | #include <linux/rbtree.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 33 | #include "util/parse-options.h" |
| 34 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 35 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 36 | #include "util/xyarray.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 37 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 38 | #include "util/debug.h" |
| 39 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 40 | #include <assert.h> |
| 41 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 42 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 43 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 44 | #include <termios.h> |
| 45 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 46 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 47 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 49 | #include <time.h> |
| 50 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 51 | |
| 52 | #include <sys/syscall.h> |
| 53 | #include <sys/ioctl.h> |
| 54 | #include <sys/poll.h> |
| 55 | #include <sys/prctl.h> |
| 56 | #include <sys/wait.h> |
| 57 | #include <sys/uio.h> |
| 58 | #include <sys/mman.h> |
| 59 | |
| 60 | #include <linux/unistd.h> |
| 61 | #include <linux/types.h> |
| 62 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 63 | #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 64 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 65 | static struct perf_top top = { |
| 66 | .count_filter = 5, |
| 67 | .delay_secs = 2, |
| 68 | .display_weighted = -1, |
| 69 | .target_pid = -1, |
| 70 | .target_tid = -1, |
| 71 | .active_symbols = LIST_HEAD_INIT(top.active_symbols), |
| 72 | .active_symbols_lock = PTHREAD_MUTEX_INITIALIZER, |
| 73 | .freq = 1000, /* 1 KHz */ |
| 74 | }; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 75 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 76 | static bool system_wide = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 77 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 78 | static int default_interval = 0; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 79 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 80 | static bool inherit = false; |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 81 | static int realtime_prio = 0; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 82 | static bool group = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 83 | static unsigned int page_size; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 84 | static unsigned int mmap_pages = 128; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 85 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 86 | static bool dump_symtab = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 87 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 88 | static struct winsize winsize; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 89 | |
Arnaldo Carvalho de Melo | edb7c60 | 2010-05-17 16:22:41 -0300 | [diff] [blame] | 90 | static const char *sym_filter = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 91 | struct sym_entry *sym_filter_entry = NULL; |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 92 | struct sym_entry *sym_filter_entry_sched = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 93 | static int sym_pcnt_filter = 5; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 94 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 95 | /* |
| 96 | * Source functions |
| 97 | */ |
| 98 | |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 99 | static inline struct symbol *sym_entry__symbol(struct sym_entry *self) |
| 100 | { |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 101 | return ((void *)self) + symbol_conf.priv_size; |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 102 | } |
| 103 | |
Arnaldo Carvalho de Melo | 895f0ed | 2010-03-11 20:12:41 -0300 | [diff] [blame] | 104 | void get_term_dimensions(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 105 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 106 | char *s = getenv("LINES"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 107 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 108 | if (s != NULL) { |
| 109 | ws->ws_row = atoi(s); |
| 110 | s = getenv("COLUMNS"); |
| 111 | if (s != NULL) { |
| 112 | ws->ws_col = atoi(s); |
| 113 | if (ws->ws_row && ws->ws_col) |
| 114 | return; |
| 115 | } |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 116 | } |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 117 | #ifdef TIOCGWINSZ |
| 118 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 119 | ws->ws_row && ws->ws_col) |
| 120 | return; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 121 | #endif |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 122 | ws->ws_row = 25; |
| 123 | ws->ws_col = 80; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 124 | } |
| 125 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 126 | static void update_print_entries(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 127 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 128 | top.print_entries = ws->ws_row; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 129 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 130 | if (top.print_entries > 9) |
| 131 | top.print_entries -= 9; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | static void sig_winch_handler(int sig __used) |
| 135 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 136 | get_term_dimensions(&winsize); |
| 137 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 138 | } |
| 139 | |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 140 | static int parse_source(struct sym_entry *syme) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 141 | { |
| 142 | struct symbol *sym; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 143 | struct sym_entry_source *source; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 144 | struct map *map; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 145 | FILE *file; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 146 | char command[PATH_MAX*2]; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 147 | const char *path; |
| 148 | u64 len; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 149 | |
| 150 | if (!syme) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 151 | return -1; |
| 152 | |
| 153 | sym = sym_entry__symbol(syme); |
| 154 | map = syme->map; |
| 155 | |
| 156 | /* |
| 157 | * We can't annotate with just /proc/kallsyms |
| 158 | */ |
| 159 | if (map->dso->origin == DSO__ORIG_KERNEL) |
| 160 | return -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 161 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 162 | if (syme->src == NULL) { |
Arnaldo Carvalho de Melo | 3647948 | 2009-11-24 12:05:16 -0200 | [diff] [blame] | 163 | syme->src = zalloc(sizeof(*source)); |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 164 | if (syme->src == NULL) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 165 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 166 | pthread_mutex_init(&syme->src->lock, NULL); |
| 167 | } |
| 168 | |
| 169 | source = syme->src; |
| 170 | |
| 171 | if (source->lines) { |
| 172 | pthread_mutex_lock(&source->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 173 | goto out_assign; |
| 174 | } |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 175 | path = map->dso->long_name; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 176 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 177 | len = sym->end - sym->start; |
| 178 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 179 | sprintf(command, |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 180 | "objdump --start-address=%#0*" PRIx64 " --stop-address=%#0*" PRIx64 " -dS %s", |
Arnaldo Carvalho de Melo | 5f48536 | 2010-02-07 11:46:16 -0200 | [diff] [blame] | 181 | BITS_PER_LONG / 4, map__rip_2objdump(map, sym->start), |
| 182 | BITS_PER_LONG / 4, map__rip_2objdump(map, sym->end), path); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 183 | |
| 184 | file = popen(command, "r"); |
| 185 | if (!file) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 186 | return -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 187 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 188 | pthread_mutex_lock(&source->lock); |
| 189 | source->lines_tail = &source->lines; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 190 | while (!feof(file)) { |
| 191 | struct source_line *src; |
| 192 | size_t dummy = 0; |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 193 | char *c, *sep; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 194 | |
| 195 | src = malloc(sizeof(struct source_line)); |
| 196 | assert(src != NULL); |
| 197 | memset(src, 0, sizeof(struct source_line)); |
| 198 | |
| 199 | if (getline(&src->line, &dummy, file) < 0) |
| 200 | break; |
| 201 | if (!src->line) |
| 202 | break; |
| 203 | |
| 204 | c = strchr(src->line, '\n'); |
| 205 | if (c) |
| 206 | *c = 0; |
| 207 | |
| 208 | src->next = NULL; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 209 | *source->lines_tail = src; |
| 210 | source->lines_tail = &src->next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 211 | |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 212 | src->eip = strtoull(src->line, &sep, 16); |
| 213 | if (*sep == ':') |
| 214 | src->eip = map__objdump_2ip(map, src->eip); |
| 215 | else /* this line has no ip info (e.g. source line) */ |
| 216 | src->eip = 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 217 | } |
| 218 | pclose(file); |
| 219 | out_assign: |
| 220 | sym_filter_entry = syme; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 221 | pthread_mutex_unlock(&source->lock); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 222 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | static void __zero_source_counters(struct sym_entry *syme) |
| 226 | { |
| 227 | int i; |
| 228 | struct source_line *line; |
| 229 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 230 | line = syme->src->lines; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 231 | while (line) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 232 | for (i = 0; i < top.evlist->nr_entries; i++) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 233 | line->count[i] = 0; |
| 234 | line = line->next; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) |
| 239 | { |
| 240 | struct source_line *line; |
| 241 | |
| 242 | if (syme != sym_filter_entry) |
| 243 | return; |
| 244 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 245 | if (pthread_mutex_trylock(&syme->src->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 246 | return; |
| 247 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 248 | if (syme->src == NULL || syme->src->source == NULL) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 249 | goto out_unlock; |
| 250 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 251 | for (line = syme->src->lines; line; line = line->next) { |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 252 | /* skip lines without IP info */ |
| 253 | if (line->eip == 0) |
| 254 | continue; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 255 | if (line->eip == ip) { |
| 256 | line->count[counter]++; |
| 257 | break; |
| 258 | } |
| 259 | if (line->eip > ip) |
| 260 | break; |
| 261 | } |
| 262 | out_unlock: |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 263 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 264 | } |
| 265 | |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 266 | #define PATTERN_LEN (BITS_PER_LONG / 4 + 2) |
| 267 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 268 | static void lookup_sym_source(struct sym_entry *syme) |
| 269 | { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 270 | struct symbol *symbol = sym_entry__symbol(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 271 | struct source_line *line; |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 272 | char pattern[PATTERN_LEN + 1]; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 273 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 274 | sprintf(pattern, "%0*" PRIx64 " <", BITS_PER_LONG / 4, |
Arnaldo Carvalho de Melo | 5f48536 | 2010-02-07 11:46:16 -0200 | [diff] [blame] | 275 | map__rip_2objdump(syme->map, symbol->start)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 276 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 277 | pthread_mutex_lock(&syme->src->lock); |
| 278 | for (line = syme->src->lines; line; line = line->next) { |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 279 | if (memcmp(line->line, pattern, PATTERN_LEN) == 0) { |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 280 | syme->src->source = line; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 281 | break; |
| 282 | } |
| 283 | } |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 284 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | static void show_lines(struct source_line *queue, int count, int total) |
| 288 | { |
| 289 | int i; |
| 290 | struct source_line *line; |
| 291 | |
| 292 | line = queue; |
| 293 | for (i = 0; i < count; i++) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 294 | float pcnt = 100.0*(float)line->count[top.sym_counter]/(float)total; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 295 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 296 | printf("%8li %4.1f%%\t%s\n", line->count[top.sym_counter], pcnt, line->line); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 297 | line = line->next; |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | #define TRACE_COUNT 3 |
| 302 | |
| 303 | static void show_details(struct sym_entry *syme) |
| 304 | { |
| 305 | struct symbol *symbol; |
| 306 | struct source_line *line; |
| 307 | struct source_line *line_queue = NULL; |
| 308 | int displayed = 0; |
| 309 | int line_queue_count = 0, total = 0, more = 0; |
| 310 | |
| 311 | if (!syme) |
| 312 | return; |
| 313 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 314 | if (!syme->src->source) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 315 | lookup_sym_source(syme); |
| 316 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 317 | if (!syme->src->source) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 318 | return; |
| 319 | |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 320 | symbol = sym_entry__symbol(syme); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 321 | printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 322 | printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter); |
| 323 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 324 | pthread_mutex_lock(&syme->src->lock); |
| 325 | line = syme->src->source; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 326 | while (line) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 327 | total += line->count[top.sym_counter]; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 328 | line = line->next; |
| 329 | } |
| 330 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 331 | line = syme->src->source; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 332 | while (line) { |
| 333 | float pcnt = 0.0; |
| 334 | |
| 335 | if (!line_queue_count) |
| 336 | line_queue = line; |
| 337 | line_queue_count++; |
| 338 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 339 | if (line->count[top.sym_counter]) |
| 340 | pcnt = 100.0 * line->count[top.sym_counter] / (float)total; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 341 | if (pcnt >= (float)sym_pcnt_filter) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 342 | if (displayed <= top.print_entries) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 343 | show_lines(line_queue, line_queue_count, total); |
| 344 | else more++; |
| 345 | displayed += line_queue_count; |
| 346 | line_queue_count = 0; |
| 347 | line_queue = NULL; |
| 348 | } else if (line_queue_count > TRACE_COUNT) { |
| 349 | line_queue = line_queue->next; |
| 350 | line_queue_count--; |
| 351 | } |
| 352 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 353 | line->count[top.sym_counter] = top.zero ? 0 : line->count[top.sym_counter] * 7 / 8; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 354 | line = line->next; |
| 355 | } |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 356 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 357 | if (more) |
| 358 | printf("%d lines not displayed, maybe increase display entries [e]\n", more); |
| 359 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 360 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 361 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 362 | |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 363 | static void __list_insert_active_sym(struct sym_entry *syme) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 364 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 365 | list_add(&syme->node, &top.active_symbols); |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 366 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 367 | |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 368 | static void print_sym_table(struct perf_session *session) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 369 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 370 | char bf[160]; |
| 371 | int printed = 0; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 372 | struct rb_node *nd; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 373 | struct sym_entry *syme; |
| 374 | struct rb_root tmp = RB_ROOT; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 375 | const int win_width = winsize.ws_col - 1; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 376 | int sym_width, dso_width, dso_short_width; |
| 377 | float sum_ksamples = perf_top__decay_samples(&top, &tmp); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 378 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 379 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 380 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 381 | perf_top__header_snprintf(&top, bf, sizeof(bf)); |
| 382 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 383 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 384 | perf_top__reset_sample_counters(&top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 385 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 386 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 387 | |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 388 | if (session->hists.stats.total_lost != 0) { |
| 389 | color_fprintf(stdout, PERF_COLOR_RED, "WARNING:"); |
| 390 | printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n", |
| 391 | session->hists.stats.total_lost); |
| 392 | } |
| 393 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 394 | if (sym_filter_entry) { |
| 395 | show_details(sym_filter_entry); |
| 396 | return; |
| 397 | } |
| 398 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 399 | perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width, |
| 400 | &sym_width); |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 401 | |
Arnaldo Carvalho de Melo | b63be8d | 2010-03-15 15:03:50 -0300 | [diff] [blame] | 402 | if (sym_width + dso_width > winsize.ws_col - 29) { |
| 403 | dso_width = dso_short_width; |
| 404 | if (sym_width + dso_width > winsize.ws_col - 29) |
| 405 | sym_width = winsize.ws_col - dso_width - 29; |
| 406 | } |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 407 | putchar('\n'); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 408 | if (top.evlist->nr_entries == 1) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 409 | printf(" samples pcnt"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 410 | else |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 411 | printf(" weight samples pcnt"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 412 | |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 413 | if (verbose) |
| 414 | printf(" RIP "); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 415 | printf(" %-*.*s DSO\n", sym_width, sym_width, "function"); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 416 | printf(" %s _______ _____", |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 417 | top.evlist->nr_entries == 1 ? " " : "______"); |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 418 | if (verbose) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 419 | printf(" ________________"); |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 420 | printf(" %-*.*s", sym_width, sym_width, graph_line); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 421 | printf(" %-*.*s", dso_width, dso_width, graph_line); |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 422 | puts("\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 423 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 424 | for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 425 | struct symbol *sym; |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 426 | double pcnt; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 427 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 428 | syme = rb_entry(nd, struct sym_entry, rb_node); |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 429 | sym = sym_entry__symbol(syme); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 430 | if (++printed > top.print_entries || |
| 431 | (int)syme->snap_count < top.count_filter) |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 432 | continue; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 433 | |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 434 | pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) / |
| 435 | sum_ksamples)); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 436 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 437 | if (top.evlist->nr_entries == 1 || !top.display_weighted) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 438 | printf("%20.2f ", syme->weight); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 439 | else |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 440 | printf("%9.1f %10ld ", syme->weight, syme->snap_count); |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 441 | |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 442 | percent_color_fprintf(stdout, "%4.1f%%", pcnt); |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 443 | if (verbose) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 444 | printf(" %016" PRIx64, sym->start); |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 445 | printf(" %-*.*s", sym_width, sym_width, sym->name); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 446 | printf(" %-*.*s\n", dso_width, dso_width, |
| 447 | dso_width >= syme->map->dso->long_name_len ? |
| 448 | syme->map->dso->long_name : |
| 449 | syme->map->dso->short_name); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 450 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 451 | } |
| 452 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 453 | static void prompt_integer(int *target, const char *msg) |
| 454 | { |
| 455 | char *buf = malloc(0), *p; |
| 456 | size_t dummy = 0; |
| 457 | int tmp; |
| 458 | |
| 459 | fprintf(stdout, "\n%s: ", msg); |
| 460 | if (getline(&buf, &dummy, stdin) < 0) |
| 461 | return; |
| 462 | |
| 463 | p = strchr(buf, '\n'); |
| 464 | if (p) |
| 465 | *p = 0; |
| 466 | |
| 467 | p = buf; |
| 468 | while(*p) { |
| 469 | if (!isdigit(*p)) |
| 470 | goto out_free; |
| 471 | p++; |
| 472 | } |
| 473 | tmp = strtoul(buf, NULL, 10); |
| 474 | *target = tmp; |
| 475 | out_free: |
| 476 | free(buf); |
| 477 | } |
| 478 | |
| 479 | static void prompt_percent(int *target, const char *msg) |
| 480 | { |
| 481 | int tmp = 0; |
| 482 | |
| 483 | prompt_integer(&tmp, msg); |
| 484 | if (tmp >= 0 && tmp <= 100) |
| 485 | *target = tmp; |
| 486 | } |
| 487 | |
| 488 | static void prompt_symbol(struct sym_entry **target, const char *msg) |
| 489 | { |
| 490 | char *buf = malloc(0), *p; |
| 491 | struct sym_entry *syme = *target, *n, *found = NULL; |
| 492 | size_t dummy = 0; |
| 493 | |
| 494 | /* zero counters of active symbol */ |
| 495 | if (syme) { |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 496 | pthread_mutex_lock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 497 | __zero_source_counters(syme); |
| 498 | *target = NULL; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 499 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | fprintf(stdout, "\n%s: ", msg); |
| 503 | if (getline(&buf, &dummy, stdin) < 0) |
| 504 | goto out_free; |
| 505 | |
| 506 | p = strchr(buf, '\n'); |
| 507 | if (p) |
| 508 | *p = 0; |
| 509 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 510 | pthread_mutex_lock(&top.active_symbols_lock); |
| 511 | syme = list_entry(top.active_symbols.next, struct sym_entry, node); |
| 512 | pthread_mutex_unlock(&top.active_symbols_lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 513 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 514 | list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 515 | struct symbol *sym = sym_entry__symbol(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 516 | |
| 517 | if (!strcmp(buf, sym->name)) { |
| 518 | found = syme; |
| 519 | break; |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 524 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 525 | sleep(1); |
| 526 | return; |
| 527 | } else |
| 528 | parse_source(found); |
| 529 | |
| 530 | out_free: |
| 531 | free(buf); |
| 532 | } |
| 533 | |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 534 | static void print_mapped_keys(void) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 535 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 536 | char *name = NULL; |
| 537 | |
| 538 | if (sym_filter_entry) { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 539 | struct symbol *sym = sym_entry__symbol(sym_filter_entry); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 540 | name = sym->name; |
| 541 | } |
| 542 | |
| 543 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 544 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top.delay_secs); |
| 545 | 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] | 546 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 547 | if (top.evlist->nr_entries > 1) |
| 548 | 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] | 549 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 550 | 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] | 551 | |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 552 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter); |
| 553 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 554 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 555 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 556 | if (top.evlist->nr_entries > 1) |
| 557 | fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 558 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 559 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 560 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 561 | top.hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 562 | fprintf(stdout, |
| 563 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 564 | top.hide_user_symbols ? "yes" : "no"); |
| 565 | 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] | 566 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 567 | } |
| 568 | |
| 569 | static int key_mapped(int c) |
| 570 | { |
| 571 | switch (c) { |
| 572 | case 'd': |
| 573 | case 'e': |
| 574 | case 'f': |
| 575 | case 'z': |
| 576 | case 'q': |
| 577 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 578 | case 'K': |
| 579 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 580 | case 'F': |
| 581 | case 's': |
| 582 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 583 | return 1; |
| 584 | case 'E': |
| 585 | case 'w': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 586 | return top.evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 587 | default: |
| 588 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 589 | } |
| 590 | |
| 591 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 592 | } |
| 593 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 594 | static void handle_keypress(struct perf_session *session, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 595 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 596 | if (!key_mapped(c)) { |
| 597 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 598 | struct termios tc, save; |
| 599 | |
| 600 | print_mapped_keys(); |
| 601 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 602 | fflush(stdout); |
| 603 | |
| 604 | tcgetattr(0, &save); |
| 605 | tc = save; |
| 606 | tc.c_lflag &= ~(ICANON | ECHO); |
| 607 | tc.c_cc[VMIN] = 0; |
| 608 | tc.c_cc[VTIME] = 0; |
| 609 | tcsetattr(0, TCSANOW, &tc); |
| 610 | |
| 611 | poll(&stdin_poll, 1, -1); |
| 612 | c = getc(stdin); |
| 613 | |
| 614 | tcsetattr(0, TCSAFLUSH, &save); |
| 615 | if (!key_mapped(c)) |
| 616 | return; |
| 617 | } |
| 618 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 619 | switch (c) { |
| 620 | case 'd': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 621 | prompt_integer(&top.delay_secs, "Enter display delay"); |
| 622 | if (top.delay_secs < 1) |
| 623 | top.delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 624 | break; |
| 625 | case 'e': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 626 | prompt_integer(&top.print_entries, "Enter display entries (lines)"); |
| 627 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 628 | sig_winch_handler(SIGWINCH); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 629 | signal(SIGWINCH, sig_winch_handler); |
| 630 | } else |
| 631 | signal(SIGWINCH, SIG_DFL); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 632 | break; |
| 633 | case 'E': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 634 | if (top.evlist->nr_entries > 1) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 635 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 636 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 637 | list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) |
| 638 | 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] | 639 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 640 | prompt_integer(&top.sym_counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 641 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 642 | if (top.sym_counter >= top.evlist->nr_entries) { |
| 643 | top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); |
| 644 | top.sym_counter = 0; |
| 645 | 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] | 646 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 647 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 648 | } |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 649 | list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) |
| 650 | if (top.sym_evsel->idx == top.sym_counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 651 | break; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 652 | } else top.sym_counter = 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 653 | break; |
| 654 | case 'f': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 655 | prompt_integer(&top.count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 656 | break; |
| 657 | case 'F': |
| 658 | prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)"); |
| 659 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 660 | case 'K': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 661 | top.hide_kernel_symbols = !top.hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 662 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 663 | case 'q': |
| 664 | case 'Q': |
| 665 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | c338aee | 2009-11-20 20:51:27 -0200 | [diff] [blame] | 666 | if (dump_symtab) |
Arnaldo Carvalho de Melo | cbf6968 | 2010-04-27 21:22:44 -0300 | [diff] [blame] | 667 | perf_session__fprintf_dsos(session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 668 | exit(0); |
| 669 | case 's': |
| 670 | prompt_symbol(&sym_filter_entry, "Enter details symbol"); |
| 671 | break; |
| 672 | case 'S': |
| 673 | if (!sym_filter_entry) |
| 674 | break; |
| 675 | else { |
| 676 | struct sym_entry *syme = sym_filter_entry; |
| 677 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 678 | pthread_mutex_lock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 679 | sym_filter_entry = NULL; |
| 680 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 681 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 682 | } |
| 683 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 684 | case 'U': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 685 | top.hide_user_symbols = !top.hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 686 | break; |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 687 | case 'w': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 688 | top.display_weighted = ~top.display_weighted; |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 689 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 690 | case 'z': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 691 | top.zero = !top.zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 692 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 693 | default: |
| 694 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 695 | } |
| 696 | } |
| 697 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 698 | static void *display_thread(void *arg __used) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 699 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 700 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 701 | struct termios tc, save; |
| 702 | int delay_msecs, c; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 703 | struct perf_session *session = (struct perf_session *) arg; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 704 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 705 | tcgetattr(0, &save); |
| 706 | tc = save; |
| 707 | tc.c_lflag &= ~(ICANON | ECHO); |
| 708 | tc.c_cc[VMIN] = 0; |
| 709 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 710 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 711 | repeat: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 712 | delay_msecs = top.delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 713 | tcsetattr(0, TCSANOW, &tc); |
| 714 | /* trash return*/ |
| 715 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 716 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 717 | do { |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 718 | print_sym_table(session); |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 719 | } while (!poll(&stdin_poll, 1, delay_msecs) == 1); |
| 720 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 721 | c = getc(stdin); |
| 722 | tcsetattr(0, TCSAFLUSH, &save); |
| 723 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 724 | handle_keypress(session, c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 725 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 726 | |
| 727 | return NULL; |
| 728 | } |
| 729 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 730 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 731 | static const char *skip_symbols[] = { |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 732 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 733 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 734 | "cpu_idle", |
| 735 | "enter_idle", |
| 736 | "exit_idle", |
| 737 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 738 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 739 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 740 | "ppc64_runlatch_off", |
| 741 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 742 | NULL |
| 743 | }; |
| 744 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 745 | static int symbol_filter(struct map *map, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 746 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 747 | struct sym_entry *syme; |
| 748 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 749 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 750 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 751 | /* |
| 752 | * ppc64 uses function descriptors and appends a '.' to the |
| 753 | * start of every instruction address. Remove it. |
| 754 | */ |
| 755 | if (name[0] == '.') |
| 756 | name++; |
| 757 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 758 | if (!strcmp(name, "_text") || |
| 759 | !strcmp(name, "_etext") || |
| 760 | !strcmp(name, "_sinittext") || |
| 761 | !strncmp("init_module", name, 11) || |
| 762 | !strncmp("cleanup_module", name, 14) || |
| 763 | strstr(name, "_text_start") || |
| 764 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 765 | return 1; |
| 766 | |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 767 | syme = symbol__priv(sym); |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 768 | syme->map = map; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 769 | syme->src = NULL; |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 770 | |
| 771 | if (!sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) { |
| 772 | /* schedule initial sym_filter_entry setup */ |
| 773 | sym_filter_entry_sched = syme; |
| 774 | sym_filter = NULL; |
| 775 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 776 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 777 | for (i = 0; skip_symbols[i]; i++) { |
| 778 | if (!strcmp(skip_symbols[i], name)) { |
| 779 | syme->skip = 1; |
| 780 | break; |
| 781 | } |
| 782 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 783 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 784 | if (!syme->skip) |
| 785 | syme->name_len = strlen(sym->name); |
| 786 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 787 | return 0; |
| 788 | } |
| 789 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 790 | static void perf_event__process_sample(const union perf_event *event, |
| 791 | struct perf_sample *sample, |
| 792 | struct perf_session *session) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 793 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 794 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 795 | struct sym_entry *syme; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 796 | struct addr_location al; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 797 | struct machine *machine; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 798 | u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 799 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 800 | ++top.samples; |
Arnaldo Carvalho de Melo | 24bfef0 | 2010-01-21 13:04:43 -0200 | [diff] [blame] | 801 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 802 | switch (origin) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 803 | case PERF_RECORD_MISC_USER: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 804 | ++top.us_samples; |
| 805 | if (top.hide_user_symbols) |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 806 | return; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 807 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 808 | break; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 809 | case PERF_RECORD_MISC_KERNEL: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 810 | ++top.kernel_samples; |
| 811 | if (top.hide_kernel_symbols) |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 812 | return; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 813 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 814 | break; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 815 | case PERF_RECORD_MISC_GUEST_KERNEL: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 816 | ++top.guest_kernel_samples; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 817 | machine = perf_session__find_machine(session, event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 818 | break; |
| 819 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 820 | ++top.guest_us_samples; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 821 | /* |
| 822 | * TODO: we don't process guest user from host side |
| 823 | * except simple counting. |
| 824 | */ |
| 825 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 826 | default: |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 827 | return; |
| 828 | } |
| 829 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 830 | if (!machine && perf_guest) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 831 | 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] | 832 | event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 833 | return; |
| 834 | } |
| 835 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 836 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 837 | top.exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 838 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 839 | if (perf_event__preprocess_sample(event, session, &al, sample, |
| 840 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 841 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 842 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 843 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 844 | if (al.sym == NULL) { |
| 845 | /* |
| 846 | * As we do lazy loading of symtabs we only will know if the |
| 847 | * specified vmlinux file is invalid when we actually have a |
| 848 | * hit in kernel space and then try to load it. So if we get |
| 849 | * here and there are _no_ symbols in the DSO backing the |
| 850 | * kernel map, bail out. |
| 851 | * |
| 852 | * We may never get here, for instance, if we use -K/ |
| 853 | * --hide-kernel-symbols, even if the user specifies an |
| 854 | * invalid --vmlinux ;-) |
| 855 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 856 | if (al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 857 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
| 858 | pr_err("The %s file can't be used\n", |
| 859 | symbol_conf.vmlinux_name); |
| 860 | exit(1); |
| 861 | } |
| 862 | |
| 863 | return; |
| 864 | } |
| 865 | |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 866 | /* let's see, whether we need to install initial sym_filter_entry */ |
| 867 | if (sym_filter_entry_sched) { |
| 868 | sym_filter_entry = sym_filter_entry_sched; |
| 869 | sym_filter_entry_sched = NULL; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 870 | if (parse_source(sym_filter_entry) < 0) { |
| 871 | struct symbol *sym = sym_entry__symbol(sym_filter_entry); |
| 872 | |
| 873 | pr_err("Can't annotate %s", sym->name); |
| 874 | if (sym_filter_entry->map->dso->origin == DSO__ORIG_KERNEL) { |
| 875 | pr_err(": No vmlinux file was found in the path:\n"); |
Arnaldo Carvalho de Melo | 5ad90e4 | 2010-05-26 13:26:02 -0300 | [diff] [blame] | 876 | machine__fprintf_vmlinux_path(machine, stderr); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 877 | } else |
| 878 | pr_err(".\n"); |
| 879 | exit(1); |
| 880 | } |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 881 | } |
| 882 | |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 883 | syme = symbol__priv(al.sym); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 884 | if (!syme->skip) { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 885 | struct perf_evsel *evsel; |
| 886 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 887 | syme->origin = origin; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 888 | evsel = perf_evlist__id2evsel(top.evlist, sample->id); |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 889 | assert(evsel != NULL); |
| 890 | syme->count[evsel->idx]++; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 891 | record_precise_ip(syme, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 892 | pthread_mutex_lock(&top.active_symbols_lock); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 893 | if (list_empty(&syme->node) || !syme->node.next) |
| 894 | __list_insert_active_sym(syme); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 895 | pthread_mutex_unlock(&top.active_symbols_lock); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 896 | } |
| 897 | } |
| 898 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 899 | static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 900 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 901 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 902 | union perf_event *event; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 903 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 904 | while ((event = perf_evlist__read_on_cpu(top.evlist, cpu)) != NULL) { |
Arnaldo Carvalho de Melo | d0dd74e | 2011-01-21 13:46:41 -0200 | [diff] [blame] | 905 | perf_session__parse_sample(self, event, &sample); |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 906 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 907 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 908 | perf_event__process_sample(event, &sample, self); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 909 | else |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 910 | perf_event__process(event, &sample, self); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 911 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 912 | } |
| 913 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 914 | static void perf_session__mmap_read(struct perf_session *self) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 915 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 916 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 917 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 918 | for (i = 0; i < top.evlist->cpus->nr; i++) |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 919 | perf_session__mmap_read_cpu(self, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 920 | } |
| 921 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 922 | static void start_counters(struct perf_evlist *evlist) |
| 923 | { |
| 924 | struct perf_evsel *counter; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 925 | |
| 926 | list_for_each_entry(counter, &evlist->entries, node) { |
| 927 | struct perf_event_attr *attr = &counter->attr; |
| 928 | |
| 929 | attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; |
| 930 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 931 | if (top.freq) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 932 | attr->sample_type |= PERF_SAMPLE_PERIOD; |
| 933 | attr->freq = 1; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 934 | attr->sample_freq = top.freq; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 935 | } |
| 936 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 937 | if (evlist->nr_entries > 1) { |
| 938 | attr->sample_type |= PERF_SAMPLE_ID; |
| 939 | attr->read_format |= PERF_FORMAT_ID; |
| 940 | } |
| 941 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 942 | attr->mmap = 1; |
| 943 | try_again: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 944 | if (perf_evsel__open(counter, top.evlist->cpus, |
| 945 | top.evlist->threads, group, inherit) < 0) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 946 | int err = errno; |
| 947 | |
| 948 | if (err == EPERM || err == EACCES) |
| 949 | die("Permission error - are you root?\n" |
| 950 | "\t Consider tweaking" |
| 951 | " /proc/sys/kernel/perf_event_paranoid.\n"); |
| 952 | /* |
| 953 | * If it's cycles then fall back to hrtimer |
| 954 | * based cpu-clock-tick sw counter, which |
| 955 | * is always available even if no PMU support: |
| 956 | */ |
| 957 | if (attr->type == PERF_TYPE_HARDWARE && |
| 958 | attr->config == PERF_COUNT_HW_CPU_CYCLES) { |
| 959 | |
| 960 | if (verbose) |
| 961 | warning(" ... trying to fall back to cpu-clock-ticks\n"); |
| 962 | |
| 963 | attr->type = PERF_TYPE_SOFTWARE; |
| 964 | attr->config = PERF_COUNT_SW_CPU_CLOCK; |
| 965 | goto try_again; |
| 966 | } |
| 967 | printf("\n"); |
| 968 | error("sys_perf_event_open() syscall returned with %d " |
| 969 | "(%s). /bin/dmesg may provide additional information.\n", |
| 970 | err, strerror(err)); |
| 971 | die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); |
| 972 | exit(-1); |
| 973 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 974 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 975 | |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 976 | if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 977 | die("failed to mmap with %d (%s)\n", errno, strerror(errno)); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 978 | } |
| 979 | |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 980 | static int __cmd_top(void) |
| 981 | { |
| 982 | pthread_t thread; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 983 | struct perf_evsel *first; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 984 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 985 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 986 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 987 | * 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] | 988 | */ |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 989 | struct perf_session *session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 990 | if (session == NULL) |
| 991 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 992 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 993 | if (top.target_tid != -1) |
| 994 | perf_event__synthesize_thread(top.target_tid, perf_event__process, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 995 | session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 996 | else |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 997 | perf_event__synthesize_threads(perf_event__process, session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 998 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 999 | start_counters(top.evlist); |
| 1000 | first = list_entry(top.evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1001 | perf_session__set_sample_type(session, first->attr.sample_type); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1002 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1003 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1004 | poll(top.evlist->pollfd, top.evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1005 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1006 | perf_session__mmap_read(session); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1007 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1008 | if (pthread_create(&thread, NULL, display_thread, session)) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1009 | printf("Could not create display thread.\n"); |
| 1010 | exit(-1); |
| 1011 | } |
| 1012 | |
| 1013 | if (realtime_prio) { |
| 1014 | struct sched_param param; |
| 1015 | |
| 1016 | param.sched_priority = realtime_prio; |
| 1017 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
| 1018 | printf("Could not set realtime priority.\n"); |
| 1019 | exit(-1); |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | while (1) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1024 | u64 hits = top.samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1025 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1026 | perf_session__mmap_read(session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1027 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1028 | if (hits == top.samples) |
| 1029 | ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1030 | } |
| 1031 | |
| 1032 | return 0; |
| 1033 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1034 | |
| 1035 | static const char * const top_usage[] = { |
| 1036 | "perf top [<options>]", |
| 1037 | NULL |
| 1038 | }; |
| 1039 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1040 | static const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1041 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1042 | "event selector. use 'perf list' to list available events", |
| 1043 | parse_events), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1044 | OPT_INTEGER('c', "count", &default_interval, |
| 1045 | "event period to sample"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1046 | OPT_INTEGER('p', "pid", &top.target_pid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1047 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1048 | OPT_INTEGER('t', "tid", &top.target_tid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1049 | "profile events on existing thread id"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1050 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
| 1051 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1052 | OPT_STRING('C', "cpu", &top.cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1053 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1054 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1055 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1056 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1057 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 1058 | OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1059 | OPT_INTEGER('r', "realtime", &realtime_prio, |
| 1060 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1061 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1062 | "number of seconds to delay between refreshes"), |
| 1063 | OPT_BOOLEAN('D', "dump-symtab", &dump_symtab, |
| 1064 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1065 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1066 | "only display functions with more events than this"), |
| 1067 | OPT_BOOLEAN('g', "group", &group, |
| 1068 | "put the counters into a counter group"), |
Mike Galbraith | 0fdc7e6 | 2009-07-21 10:30:36 +0200 | [diff] [blame] | 1069 | OPT_BOOLEAN('i', "inherit", &inherit, |
| 1070 | "child tasks inherit counters"), |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 1071 | OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1072 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1073 | OPT_BOOLEAN('z', "zero", &top.zero, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1074 | "zero history across updates"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1075 | OPT_INTEGER('F', "freq", &top.freq, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1076 | "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1077 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1078 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1079 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1080 | "hide user symbols"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1081 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1082 | "be more verbose (show counter open errors, etc)"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1083 | OPT_END() |
| 1084 | }; |
| 1085 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 1086 | int cmd_top(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1087 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1088 | struct perf_evsel *pos; |
| 1089 | int status = -ENOMEM; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1090 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1091 | top.evlist = perf_evlist__new(NULL, NULL); |
| 1092 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1093 | return -ENOMEM; |
| 1094 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1095 | page_size = sysconf(_SC_PAGE_SIZE); |
| 1096 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1097 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1098 | if (argc) |
| 1099 | usage_with_options(top_usage, options); |
| 1100 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1101 | /* CPU and PID are mutually exclusive */ |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1102 | if (top.target_tid > 0 && top.cpu_list) { |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1103 | printf("WARNING: PID switch overriding CPU\n"); |
| 1104 | sleep(1); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1105 | top.cpu_list = NULL; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1106 | } |
| 1107 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1108 | if (top.target_pid != -1) |
| 1109 | top.target_tid = top.target_pid; |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1110 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1111 | if (perf_evlist__create_maps(top.evlist, top.target_pid, |
| 1112 | top.target_tid, top.cpu_list) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1113 | usage_with_options(top_usage, options); |
| 1114 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1115 | if (!top.evlist->nr_entries && |
| 1116 | perf_evlist__add_default(top.evlist) < 0) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1117 | pr_err("Not enough memory for event selector list\n"); |
| 1118 | return -ENOMEM; |
| 1119 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1120 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1121 | if (top.delay_secs < 1) |
| 1122 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1123 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1124 | /* |
| 1125 | * User specified count overrides default frequency. |
| 1126 | */ |
| 1127 | if (default_interval) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1128 | top.freq = 0; |
| 1129 | else if (top.freq) { |
| 1130 | default_interval = top.freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1131 | } else { |
| 1132 | fprintf(stderr, "frequency and count are zero, aborting\n"); |
| 1133 | exit(EXIT_FAILURE); |
| 1134 | } |
| 1135 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1136 | list_for_each_entry(pos, &top.evlist->entries, node) { |
| 1137 | if (perf_evsel__alloc_fd(pos, top.evlist->cpus->nr, |
| 1138 | top.evlist->threads->nr) < 0) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1139 | goto out_free_fd; |
| 1140 | /* |
| 1141 | * Fill in the ones not specifically initialized via -c: |
| 1142 | */ |
| 1143 | if (pos->attr.sample_period) |
| 1144 | continue; |
| 1145 | |
| 1146 | pos->attr.sample_period = default_interval; |
| 1147 | } |
| 1148 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1149 | if (perf_evlist__alloc_pollfd(top.evlist) < 0 || |
| 1150 | perf_evlist__alloc_mmap(top.evlist) < 0) |
Arnaldo Carvalho de Melo | 5c58104 | 2011-01-11 22:30:02 -0200 | [diff] [blame] | 1151 | goto out_free_fd; |
| 1152 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1153 | 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] | 1154 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1155 | symbol_conf.priv_size = (sizeof(struct sym_entry) + |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1156 | (top.evlist->nr_entries + 1) * sizeof(unsigned long)); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1157 | |
| 1158 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1159 | if (symbol__init() < 0) |
| 1160 | return -1; |
| 1161 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1162 | get_term_dimensions(&winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1163 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1164 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1165 | signal(SIGWINCH, sig_winch_handler); |
| 1166 | } |
| 1167 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1168 | status = __cmd_top(); |
| 1169 | out_free_fd: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1170 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1171 | |
| 1172 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1173 | } |