diff options
Diffstat (limited to 'Documentation/perf_counter/builtin-top.c')
-rw-r--r-- | Documentation/perf_counter/builtin-top.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c index 2fee5951b231..ff7e13c4647c 100644 --- a/Documentation/perf_counter/builtin-top.c +++ b/Documentation/perf_counter/builtin-top.c | |||
@@ -137,8 +137,8 @@ static double sym_weight(const struct sym_entry *sym) | |||
137 | return weight; | 137 | return weight; |
138 | } | 138 | } |
139 | 139 | ||
140 | static long events; | 140 | static long samples; |
141 | static long userspace_events; | 141 | static long userspace_samples; |
142 | static const char CONSOLE_CLEAR[] = "[H[2J"; | 142 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
143 | 143 | ||
144 | static void __list_insert_active_sym(struct sym_entry *syme) | 144 | static void __list_insert_active_sym(struct sym_entry *syme) |
@@ -177,14 +177,14 @@ static void print_sym_table(void) | |||
177 | { | 177 | { |
178 | int printed = 0, j; | 178 | int printed = 0, j; |
179 | int counter; | 179 | int counter; |
180 | float events_per_sec = events/delay_secs; | 180 | float samples_per_sec = samples/delay_secs; |
181 | float kevents_per_sec = (events-userspace_events)/delay_secs; | 181 | float ksamples_per_sec = (samples-userspace_samples)/delay_secs; |
182 | float sum_kevents = 0.0; | 182 | float sum_ksamples = 0.0; |
183 | struct sym_entry *syme, *n; | 183 | struct sym_entry *syme, *n; |
184 | struct rb_root tmp = RB_ROOT; | 184 | struct rb_root tmp = RB_ROOT; |
185 | struct rb_node *nd; | 185 | struct rb_node *nd; |
186 | 186 | ||
187 | events = userspace_events = 0; | 187 | samples = userspace_samples = 0; |
188 | 188 | ||
189 | /* Sort the active symbols */ | 189 | /* Sort the active symbols */ |
190 | pthread_mutex_lock(&active_symbols_lock); | 190 | pthread_mutex_lock(&active_symbols_lock); |
@@ -196,7 +196,7 @@ static void print_sym_table(void) | |||
196 | if (syme->snap_count != 0) { | 196 | if (syme->snap_count != 0) { |
197 | syme->weight = sym_weight(syme); | 197 | syme->weight = sym_weight(syme); |
198 | rb_insert_active_sym(&tmp, syme); | 198 | rb_insert_active_sym(&tmp, syme); |
199 | sum_kevents += syme->snap_count; | 199 | sum_ksamples += syme->snap_count; |
200 | 200 | ||
201 | for (j = 0; j < nr_counters; j++) | 201 | for (j = 0; j < nr_counters; j++) |
202 | syme->count[j] = zero ? 0 : syme->count[j] * 7 / 8; | 202 | syme->count[j] = zero ? 0 : syme->count[j] * 7 / 8; |
@@ -209,8 +209,8 @@ static void print_sym_table(void) | |||
209 | printf( | 209 | printf( |
210 | "------------------------------------------------------------------------------\n"); | 210 | "------------------------------------------------------------------------------\n"); |
211 | printf( " PerfTop:%8.0f irqs/sec kernel:%4.1f%% [", | 211 | printf( " PerfTop:%8.0f irqs/sec kernel:%4.1f%% [", |
212 | events_per_sec, | 212 | samples_per_sec, |
213 | 100.0 - (100.0*((events_per_sec-kevents_per_sec)/events_per_sec))); | 213 | 100.0 - (100.0*((samples_per_sec-ksamples_per_sec)/samples_per_sec))); |
214 | 214 | ||
215 | if (nr_counters == 1) { | 215 | if (nr_counters == 1) { |
216 | printf("%d", event_count[0]); | 216 | printf("%d", event_count[0]); |
@@ -246,12 +246,12 @@ static void print_sym_table(void) | |||
246 | printf("------------------------------------------------------------------------------\n\n"); | 246 | printf("------------------------------------------------------------------------------\n\n"); |
247 | 247 | ||
248 | if (nr_counters == 1) | 248 | if (nr_counters == 1) |
249 | printf(" events pcnt"); | 249 | printf(" samples pcnt"); |
250 | else | 250 | else |
251 | printf(" weight events pcnt"); | 251 | printf(" weight samples pcnt"); |
252 | 252 | ||
253 | printf(" RIP kernel function\n" | 253 | printf(" RIP kernel function\n" |
254 | " ______ ______ _____ ________________ _______________\n\n" | 254 | " ______ _______ _____ ________________ _______________\n\n" |
255 | ); | 255 | ); |
256 | 256 | ||
257 | for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { | 257 | for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { |
@@ -263,8 +263,8 @@ static void print_sym_table(void) | |||
263 | if (++printed > print_entries || syme->snap_count < count_filter) | 263 | if (++printed > print_entries || syme->snap_count < count_filter) |
264 | continue; | 264 | continue; |
265 | 265 | ||
266 | pcnt = 100.0 - (100.0 * ((sum_kevents - syme->snap_count) / | 266 | pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) / |
267 | sum_kevents)); | 267 | sum_ksamples)); |
268 | 268 | ||
269 | /* | 269 | /* |
270 | * We color high-overhead entries in red, low-overhead | 270 | * We color high-overhead entries in red, low-overhead |
@@ -276,9 +276,9 @@ static void print_sym_table(void) | |||
276 | color = PERF_COLOR_GREEN; | 276 | color = PERF_COLOR_GREEN; |
277 | 277 | ||
278 | if (nr_counters == 1) | 278 | if (nr_counters == 1) |
279 | printf("%19.2f - ", syme->weight); | 279 | printf("%20.2f - ", syme->weight); |
280 | else | 280 | else |
281 | printf("%8.1f %10ld - ", syme->weight, syme->snap_count); | 281 | printf("%9.1f %10ld - ", syme->weight, syme->snap_count); |
282 | 282 | ||
283 | color_fprintf(stdout, color, "%4.1f%%", pcnt); | 283 | color_fprintf(stdout, color, "%4.1f%%", pcnt); |
284 | printf(" - %016llx : %s\n", sym->start, sym->name); | 284 | printf(" - %016llx : %s\n", sym->start, sym->name); |
@@ -318,7 +318,7 @@ static int symbol_filter(struct dso *self, struct symbol *sym) | |||
318 | return 1; | 318 | return 1; |
319 | 319 | ||
320 | syme = dso__sym_priv(self, sym); | 320 | syme = dso__sym_priv(self, sym); |
321 | /* Tag events to be skipped. */ | 321 | /* Tag samples to be skipped. */ |
322 | if (!strcmp("default_idle", name) || | 322 | if (!strcmp("default_idle", name) || |
323 | !strcmp("cpu_idle", name) || | 323 | !strcmp("cpu_idle", name) || |
324 | !strcmp("enter_idle", name) || | 324 | !strcmp("enter_idle", name) || |
@@ -405,15 +405,15 @@ static void record_ip(uint64_t ip, int counter) | |||
405 | } | 405 | } |
406 | } | 406 | } |
407 | 407 | ||
408 | events--; | 408 | samples--; |
409 | } | 409 | } |
410 | 410 | ||
411 | static void process_event(uint64_t ip, int counter) | 411 | static void process_event(uint64_t ip, int counter) |
412 | { | 412 | { |
413 | events++; | 413 | samples++; |
414 | 414 | ||
415 | if (ip < min_ip || ip > max_ip) { | 415 | if (ip < min_ip || ip > max_ip) { |
416 | userspace_events++; | 416 | userspace_samples++; |
417 | return; | 417 | return; |
418 | } | 418 | } |
419 | 419 | ||
@@ -451,7 +451,7 @@ static void mmap_read(struct mmap_data *md) | |||
451 | 451 | ||
452 | /* | 452 | /* |
453 | * If we're further behind than half the buffer, there's a chance | 453 | * If we're further behind than half the buffer, there's a chance |
454 | * the writer will bite our tail and screw up the events under us. | 454 | * the writer will bite our tail and mess up the samples under us. |
455 | * | 455 | * |
456 | * If we somehow ended up ahead of the head, we got messed up. | 456 | * If we somehow ended up ahead of the head, we got messed up. |
457 | * | 457 | * |
@@ -608,14 +608,14 @@ static int __cmd_top(void) | |||
608 | } | 608 | } |
609 | 609 | ||
610 | while (1) { | 610 | while (1) { |
611 | int hits = events; | 611 | int hits = samples; |
612 | 612 | ||
613 | for (i = 0; i < nr_cpus; i++) { | 613 | for (i = 0; i < nr_cpus; i++) { |
614 | for (counter = 0; counter < nr_counters; counter++) | 614 | for (counter = 0; counter < nr_counters; counter++) |
615 | mmap_read(&mmap_array[i][counter]); | 615 | mmap_read(&mmap_array[i][counter]); |
616 | } | 616 | } |
617 | 617 | ||
618 | if (hits == events) | 618 | if (hits == samples) |
619 | ret = poll(event_array, nr_poll, 100); | 619 | ret = poll(event_array, nr_poll, 100); |
620 | } | 620 | } |
621 | 621 | ||