9 CTX_BIT_KERNEL = 1 << 1,
11 CTX_BIT_HOST = 1 << 3,
12 CTX_BIT_IDLE = 1 << 4,
16 #define NUM_CTX CTX_BIT_MAX
19 * AGGR_GLOBAL: Use CPU 0
20 * AGGR_SOCKET: Use first CPU of socket
21 * AGGR_CORE: Use first CPU of core
22 * AGGR_NONE: Use matching CPU
23 * AGGR_THREAD: Not supported?
25 static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
26 static struct stats runtime_cycles_stats[NUM_CTX][MAX_NR_CPUS];
27 static struct stats runtime_stalled_cycles_front_stats[NUM_CTX][MAX_NR_CPUS];
28 static struct stats runtime_stalled_cycles_back_stats[NUM_CTX][MAX_NR_CPUS];
29 static struct stats runtime_branches_stats[NUM_CTX][MAX_NR_CPUS];
30 static struct stats runtime_cacherefs_stats[NUM_CTX][MAX_NR_CPUS];
31 static struct stats runtime_l1_dcache_stats[NUM_CTX][MAX_NR_CPUS];
32 static struct stats runtime_l1_icache_stats[NUM_CTX][MAX_NR_CPUS];
33 static struct stats runtime_ll_cache_stats[NUM_CTX][MAX_NR_CPUS];
34 static struct stats runtime_itlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
35 static struct stats runtime_dtlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
36 static struct stats runtime_cycles_in_tx_stats[NUM_CTX][MAX_NR_CPUS];
37 static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS];
38 static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS];
39 static bool have_frontend_stalled;
41 struct stats walltime_nsecs_stats;
43 void perf_stat__init_shadow_stats(void)
45 have_frontend_stalled = pmu_have_event("cpu", "stalled-cycles-frontend");
48 static int evsel_context(struct perf_evsel *evsel)
52 if (evsel->attr.exclude_kernel)
53 ctx |= CTX_BIT_KERNEL;
54 if (evsel->attr.exclude_user)
56 if (evsel->attr.exclude_hv)
58 if (evsel->attr.exclude_host)
60 if (evsel->attr.exclude_idle)
66 void perf_stat__reset_shadow_stats(void)
68 memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
69 memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
70 memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
71 memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
72 memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
73 memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
74 memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
75 memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
76 memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
77 memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
78 memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
79 memset(runtime_cycles_in_tx_stats, 0,
80 sizeof(runtime_cycles_in_tx_stats));
81 memset(runtime_transaction_stats, 0,
82 sizeof(runtime_transaction_stats));
83 memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
84 memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
88 * Update various tracking values we maintain to print
89 * more semantic information such as miss/hit ratios,
90 * instruction rates, etc:
92 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
95 int ctx = evsel_context(counter);
97 if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
98 update_stats(&runtime_nsecs_stats[cpu], count[0]);
99 else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
100 update_stats(&runtime_cycles_stats[ctx][cpu], count[0]);
101 else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
102 update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count[0]);
103 else if (perf_stat_evsel__is(counter, TRANSACTION_START))
104 update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
105 else if (perf_stat_evsel__is(counter, ELISION_START))
106 update_stats(&runtime_elision_stats[ctx][cpu], count[0]);
107 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
108 update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]);
109 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
110 update_stats(&runtime_stalled_cycles_back_stats[ctx][cpu], count[0]);
111 else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
112 update_stats(&runtime_branches_stats[ctx][cpu], count[0]);
113 else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
114 update_stats(&runtime_cacherefs_stats[ctx][cpu], count[0]);
115 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
116 update_stats(&runtime_l1_dcache_stats[ctx][cpu], count[0]);
117 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
118 update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
119 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
120 update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
121 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
122 update_stats(&runtime_dtlb_cache_stats[ctx][cpu], count[0]);
123 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
124 update_stats(&runtime_itlb_cache_stats[ctx][cpu], count[0]);
127 /* used for get_ratio_color() */
129 GRC_STALLED_CYCLES_FE,
130 GRC_STALLED_CYCLES_BE,
135 static const char *get_ratio_color(enum grc_type type, double ratio)
137 static const double grc_table[GRC_MAX_NR][3] = {
138 [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
139 [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
140 [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
142 const char *color = PERF_COLOR_NORMAL;
144 if (ratio > grc_table[type][0])
145 color = PERF_COLOR_RED;
146 else if (ratio > grc_table[type][1])
147 color = PERF_COLOR_MAGENTA;
148 else if (ratio > grc_table[type][2])
149 color = PERF_COLOR_YELLOW;
154 static void print_stalled_cycles_frontend(int cpu,
155 struct perf_evsel *evsel
156 __maybe_unused, double avg,
157 struct perf_stat_output_ctx *out)
159 double total, ratio = 0.0;
161 int ctx = evsel_context(evsel);
163 total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
166 ratio = avg / total * 100.0;
168 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
171 out->print_metric(out->ctx, color, "%7.2f%%", "frontend cycles idle",
174 out->print_metric(out->ctx, NULL, NULL, "frontend cycles idle", 0);
177 static void print_stalled_cycles_backend(int cpu,
178 struct perf_evsel *evsel
179 __maybe_unused, double avg,
180 struct perf_stat_output_ctx *out)
182 double total, ratio = 0.0;
184 int ctx = evsel_context(evsel);
186 total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
189 ratio = avg / total * 100.0;
191 color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
193 out->print_metric(out->ctx, color, "%6.2f%%", "backend cycles idle", ratio);
196 static void print_branch_misses(int cpu,
197 struct perf_evsel *evsel __maybe_unused,
199 struct perf_stat_output_ctx *out)
201 double total, ratio = 0.0;
203 int ctx = evsel_context(evsel);
205 total = avg_stats(&runtime_branches_stats[ctx][cpu]);
208 ratio = avg / total * 100.0;
210 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
212 out->print_metric(out->ctx, color, "%7.2f%%", "of all branches", ratio);
215 static void print_l1_dcache_misses(int cpu,
216 struct perf_evsel *evsel __maybe_unused,
218 struct perf_stat_output_ctx *out)
220 double total, ratio = 0.0;
222 int ctx = evsel_context(evsel);
224 total = avg_stats(&runtime_l1_dcache_stats[ctx][cpu]);
227 ratio = avg / total * 100.0;
229 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
231 out->print_metric(out->ctx, color, "%7.2f%%", "of all L1-dcache hits", ratio);
234 static void print_l1_icache_misses(int cpu,
235 struct perf_evsel *evsel __maybe_unused,
237 struct perf_stat_output_ctx *out)
239 double total, ratio = 0.0;
241 int ctx = evsel_context(evsel);
243 total = avg_stats(&runtime_l1_icache_stats[ctx][cpu]);
246 ratio = avg / total * 100.0;
248 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
249 out->print_metric(out->ctx, color, "%7.2f%%", "of all L1-icache hits", ratio);
252 static void print_dtlb_cache_misses(int cpu,
253 struct perf_evsel *evsel __maybe_unused,
255 struct perf_stat_output_ctx *out)
257 double total, ratio = 0.0;
259 int ctx = evsel_context(evsel);
261 total = avg_stats(&runtime_dtlb_cache_stats[ctx][cpu]);
264 ratio = avg / total * 100.0;
266 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
267 out->print_metric(out->ctx, color, "%7.2f%%", "of all dTLB cache hits", ratio);
270 static void print_itlb_cache_misses(int cpu,
271 struct perf_evsel *evsel __maybe_unused,
273 struct perf_stat_output_ctx *out)
275 double total, ratio = 0.0;
277 int ctx = evsel_context(evsel);
279 total = avg_stats(&runtime_itlb_cache_stats[ctx][cpu]);
282 ratio = avg / total * 100.0;
284 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
285 out->print_metric(out->ctx, color, "%7.2f%%", "of all iTLB cache hits", ratio);
288 static void print_ll_cache_misses(int cpu,
289 struct perf_evsel *evsel __maybe_unused,
291 struct perf_stat_output_ctx *out)
293 double total, ratio = 0.0;
295 int ctx = evsel_context(evsel);
297 total = avg_stats(&runtime_ll_cache_stats[ctx][cpu]);
300 ratio = avg / total * 100.0;
302 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
303 out->print_metric(out->ctx, color, "%7.2f%%", "of all LL-cache hits", ratio);
306 void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
308 struct perf_stat_output_ctx *out)
310 void *ctxp = out->ctx;
311 print_metric_t print_metric = out->print_metric;
312 double total, ratio = 0.0, total2;
313 int ctx = evsel_context(evsel);
315 if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
316 total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
319 print_metric(ctxp, NULL, "%7.2f ",
320 "insn per cycle", ratio);
322 print_metric(ctxp, NULL, NULL, "insn per cycle", 0);
324 total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]);
325 total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu]));
330 print_metric(ctxp, NULL, "%7.2f ",
331 "stalled cycles per insn",
333 } else if (have_frontend_stalled) {
334 print_metric(ctxp, NULL, NULL,
335 "stalled cycles per insn", 0);
337 } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
338 if (runtime_branches_stats[ctx][cpu].n != 0)
339 print_branch_misses(cpu, evsel, avg, out);
341 print_metric(ctxp, NULL, NULL, "of all branches", 0);
343 evsel->attr.type == PERF_TYPE_HW_CACHE &&
344 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
345 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
346 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
347 if (runtime_l1_dcache_stats[ctx][cpu].n != 0)
348 print_l1_dcache_misses(cpu, evsel, avg, out);
350 print_metric(ctxp, NULL, NULL, "of all L1-dcache hits", 0);
352 evsel->attr.type == PERF_TYPE_HW_CACHE &&
353 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
354 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
355 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
356 if (runtime_l1_icache_stats[ctx][cpu].n != 0)
357 print_l1_icache_misses(cpu, evsel, avg, out);
359 print_metric(ctxp, NULL, NULL, "of all L1-icache hits", 0);
361 evsel->attr.type == PERF_TYPE_HW_CACHE &&
362 evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
363 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
364 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
365 if (runtime_dtlb_cache_stats[ctx][cpu].n != 0)
366 print_dtlb_cache_misses(cpu, evsel, avg, out);
368 print_metric(ctxp, NULL, NULL, "of all dTLB cache hits", 0);
370 evsel->attr.type == PERF_TYPE_HW_CACHE &&
371 evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
372 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
373 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
374 if (runtime_itlb_cache_stats[ctx][cpu].n != 0)
375 print_itlb_cache_misses(cpu, evsel, avg, out);
377 print_metric(ctxp, NULL, NULL, "of all iTLB cache hits", 0);
379 evsel->attr.type == PERF_TYPE_HW_CACHE &&
380 evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
381 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
382 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
383 if (runtime_ll_cache_stats[ctx][cpu].n != 0)
384 print_ll_cache_misses(cpu, evsel, avg, out);
386 print_metric(ctxp, NULL, NULL, "of all LL-cache hits", 0);
387 } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) {
388 total = avg_stats(&runtime_cacherefs_stats[ctx][cpu]);
391 ratio = avg * 100 / total;
393 if (runtime_cacherefs_stats[ctx][cpu].n != 0)
394 print_metric(ctxp, NULL, "%8.3f %%",
395 "of all cache refs", ratio);
397 print_metric(ctxp, NULL, NULL, "of all cache refs", 0);
398 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
399 print_stalled_cycles_frontend(cpu, evsel, avg, out);
400 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
401 print_stalled_cycles_backend(cpu, evsel, avg, out);
402 } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
403 total = avg_stats(&runtime_nsecs_stats[cpu]);
407 print_metric(ctxp, NULL, "%8.3f", "GHz", ratio);
409 print_metric(ctxp, NULL, NULL, "Ghz", 0);
411 } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) {
412 total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
414 print_metric(ctxp, NULL,
415 "%7.2f%%", "transactional cycles",
416 100.0 * (avg / total));
418 print_metric(ctxp, NULL, NULL, "transactional cycles",
420 } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX_CP)) {
421 total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
422 total2 = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
426 print_metric(ctxp, NULL, "%7.2f%%", "aborted cycles",
427 100.0 * ((total2-avg) / total));
429 print_metric(ctxp, NULL, NULL, "aborted cycles", 0);
430 } else if (perf_stat_evsel__is(evsel, TRANSACTION_START)) {
431 total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
436 if (runtime_cycles_in_tx_stats[ctx][cpu].n != 0)
437 print_metric(ctxp, NULL, "%8.0f",
438 "cycles / transaction", ratio);
440 print_metric(ctxp, NULL, NULL, "cycles / transaction",
442 } else if (perf_stat_evsel__is(evsel, ELISION_START)) {
443 total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
448 print_metric(ctxp, NULL, "%8.0f", "cycles / elision", ratio);
449 } else if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) {
450 if ((ratio = avg_stats(&walltime_nsecs_stats)) != 0)
451 print_metric(ctxp, NULL, "%8.3f", "CPUs utilized",
454 print_metric(ctxp, NULL, NULL, "CPUs utilized", 0);
455 } else if (runtime_nsecs_stats[cpu].n != 0) {
459 total = avg_stats(&runtime_nsecs_stats[cpu]);
462 ratio = 1000.0 * avg / total;
467 snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
468 print_metric(ctxp, NULL, "%8.3f", unit_buf, ratio);
470 print_metric(ctxp, NULL, NULL, NULL, 0);