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yaml
---
r: 245525
b: refs/heads/master
c: c330525
h: refs/heads/master
i:
  245523: f77bfc6
v: v3
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Ingo Molnar committed May 19, 2011
1 parent 229439e commit 57eb9f7
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Showing 2 changed files with 137 additions and 3 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2cba3ffb9a9db3874304a1739002d053d53c738b
refs/heads/master: c3305257cd4df63e03e21e331a0140ae9c0faccc
138 changes: 136 additions & 2 deletions trunk/tools/perf/builtin-stat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -261,6 +261,10 @@ struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS];
struct stats runtime_branches_stats[MAX_NR_CPUS];
struct stats runtime_cacherefs_stats[MAX_NR_CPUS];
struct stats runtime_l1_dcache_stats[MAX_NR_CPUS];
struct stats runtime_l1_icache_stats[MAX_NR_CPUS];
struct stats runtime_ll_cache_stats[MAX_NR_CPUS];
struct stats runtime_itlb_cache_stats[MAX_NR_CPUS];
struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS];
struct stats walltime_nsecs_stats;

static int create_perf_stat_counter(struct perf_evsel *evsel)
Expand Down Expand Up @@ -317,6 +321,14 @@ static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
update_stats(&runtime_cacherefs_stats[0], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
update_stats(&runtime_l1_dcache_stats[0], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
update_stats(&runtime_l1_icache_stats[0], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
update_stats(&runtime_ll_cache_stats[0], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
update_stats(&runtime_dtlb_cache_stats[0], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
update_stats(&runtime_itlb_cache_stats[0], count[0]);
}

/*
Expand Down Expand Up @@ -630,6 +642,98 @@ static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, dou
fprintf(stderr, " of all L1-dcache hits ");
}

static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
{
double total, ratio = 0.0;
const char *color;

total = avg_stats(&runtime_l1_icache_stats[cpu]);

if (total)
ratio = avg / total * 100.0;

color = PERF_COLOR_NORMAL;
if (ratio > 20.0)
color = PERF_COLOR_RED;
else if (ratio > 10.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;

fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all L1-icache hits ");
}

static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
{
double total, ratio = 0.0;
const char *color;

total = avg_stats(&runtime_dtlb_cache_stats[cpu]);

if (total)
ratio = avg / total * 100.0;

color = PERF_COLOR_NORMAL;
if (ratio > 20.0)
color = PERF_COLOR_RED;
else if (ratio > 10.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;

fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all dTLB cache hits ");
}

static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
{
double total, ratio = 0.0;
const char *color;

total = avg_stats(&runtime_itlb_cache_stats[cpu]);

if (total)
ratio = avg / total * 100.0;

color = PERF_COLOR_NORMAL;
if (ratio > 20.0)
color = PERF_COLOR_RED;
else if (ratio > 10.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;

fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all iTLB cache hits ");
}

static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
{
double total, ratio = 0.0;
const char *color;

total = avg_stats(&runtime_ll_cache_stats[cpu]);

if (total)
ratio = avg / total * 100.0;

color = PERF_COLOR_NORMAL;
if (ratio > 20.0)
color = PERF_COLOR_RED;
else if (ratio > 10.0)
color = PERF_COLOR_MAGENTA;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;

fprintf(stderr, " # ");
color_fprintf(stderr, color, "%6.2f%%", ratio);
fprintf(stderr, " of all LL-cache hits ");
}

static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
{
double total, ratio = 0.0;
Expand Down Expand Up @@ -684,6 +788,34 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
runtime_l1_dcache_stats[cpu].n != 0) {
print_l1_dcache_misses(cpu, evsel, avg);
} else if (
evsel->attr.type == PERF_TYPE_HW_CACHE &&
evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
runtime_l1_icache_stats[cpu].n != 0) {
print_l1_icache_misses(cpu, evsel, avg);
} else if (
evsel->attr.type == PERF_TYPE_HW_CACHE &&
evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
runtime_dtlb_cache_stats[cpu].n != 0) {
print_dtlb_cache_misses(cpu, evsel, avg);
} else if (
evsel->attr.type == PERF_TYPE_HW_CACHE &&
evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
runtime_itlb_cache_stats[cpu].n != 0) {
print_itlb_cache_misses(cpu, evsel, avg);
} else if (
evsel->attr.type == PERF_TYPE_HW_CACHE &&
evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
runtime_ll_cache_stats[cpu].n != 0) {
print_ll_cache_misses(cpu, evsel, avg);
} else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
runtime_cacherefs_stats[cpu].n != 0) {
total = avg_stats(&runtime_cacherefs_stats[cpu]);
Expand Down Expand Up @@ -842,10 +974,12 @@ static void print_stat(int argc, const char **argv)
}

if (!csv_output) {
fprintf(stderr, "\n");
fprintf(stderr, " %18.9f seconds time elapsed",
if (!null_run)
fprintf(stderr, "\n");
fprintf(stderr, " %17.9f seconds time elapsed",
avg_stats(&walltime_nsecs_stats)/1e9);
if (run_count > 1) {
fprintf(stderr, " ");
print_noise_pct(stddev_stats(&walltime_nsecs_stats),
avg_stats(&walltime_nsecs_stats));
}
Expand Down

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