perf stat: Move shadow stat counters into separate object
Separating shadow counters code into separate object as a cleanup, but mainly for upcomming changes, so could use it from script command context. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1433341559-31848-10-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
Arnaldo Carvalho de Melo
parent
7a23f57c89
commit
f87027b968
4 changed files with 455 additions and 440 deletions
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@ -102,13 +102,6 @@ static struct target target = {
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.uid = UINT_MAX,
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.uid = UINT_MAX,
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};
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};
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enum aggr_mode {
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AGGR_NONE,
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AGGR_GLOBAL,
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AGGR_SOCKET,
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AGGR_CORE,
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};
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static int run_count = 1;
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static int run_count = 1;
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static bool no_inherit = false;
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static bool no_inherit = false;
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static bool scale = true;
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static bool scale = true;
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@ -234,72 +227,6 @@ static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
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return -1;
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return -1;
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}
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}
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enum {
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CTX_BIT_USER = 1 << 0,
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CTX_BIT_KERNEL = 1 << 1,
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CTX_BIT_HV = 1 << 2,
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CTX_BIT_HOST = 1 << 3,
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CTX_BIT_IDLE = 1 << 4,
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CTX_BIT_MAX = 1 << 5,
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};
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#define NUM_CTX CTX_BIT_MAX
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static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
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static struct stats runtime_cycles_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_stalled_cycles_front_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_stalled_cycles_back_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_branches_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_cacherefs_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_l1_dcache_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_l1_icache_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_ll_cache_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_itlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_dtlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_cycles_in_tx_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats walltime_nsecs_stats;
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static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS];
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static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS];
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static int evsel_context(struct perf_evsel *evsel)
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{
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int ctx = 0;
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if (evsel->attr.exclude_kernel)
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ctx |= CTX_BIT_KERNEL;
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if (evsel->attr.exclude_user)
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ctx |= CTX_BIT_USER;
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if (evsel->attr.exclude_hv)
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ctx |= CTX_BIT_HV;
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if (evsel->attr.exclude_host)
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ctx |= CTX_BIT_HOST;
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if (evsel->attr.exclude_idle)
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ctx |= CTX_BIT_IDLE;
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return ctx;
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}
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static void reset_shadow_stats(void)
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{
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memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
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memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
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memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
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memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
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memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
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memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
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memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
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memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
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memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
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memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
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memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
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memset(runtime_cycles_in_tx_stats, 0,
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sizeof(runtime_cycles_in_tx_stats));
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memset(runtime_transaction_stats, 0,
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sizeof(runtime_transaction_stats));
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memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
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memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
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}
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static void perf_stat__reset_stats(struct perf_evlist *evlist)
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static void perf_stat__reset_stats(struct perf_evlist *evlist)
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{
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{
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struct perf_evsel *evsel;
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struct perf_evsel *evsel;
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@ -309,7 +236,7 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist)
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perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
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perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
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}
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}
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reset_shadow_stats();
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perf_stat__reset_shadow_stats();
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}
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}
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static int create_perf_stat_counter(struct perf_evsel *evsel)
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static int create_perf_stat_counter(struct perf_evsel *evsel)
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@ -346,46 +273,6 @@ static inline int nsec_counter(struct perf_evsel *evsel)
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return 0;
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return 0;
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}
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}
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/*
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* Update various tracking values we maintain to print
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* more semantic information such as miss/hit ratios,
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* instruction rates, etc:
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*/
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static void update_shadow_stats(struct perf_evsel *counter, u64 *count,
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int cpu)
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{
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int ctx = evsel_context(counter);
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if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
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update_stats(&runtime_nsecs_stats[cpu], count[0]);
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else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
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update_stats(&runtime_cycles_stats[ctx][cpu], count[0]);
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else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
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update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
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else if (perf_stat_evsel__is(counter, TRANSACTION_START))
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update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
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else if (perf_stat_evsel__is(counter, ELISION_START))
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update_stats(&runtime_elision_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
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update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
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update_stats(&runtime_stalled_cycles_back_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
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update_stats(&runtime_branches_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
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update_stats(&runtime_cacherefs_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
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update_stats(&runtime_l1_dcache_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
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update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
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update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
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update_stats(&runtime_dtlb_cache_stats[ctx][cpu], count[0]);
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else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
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update_stats(&runtime_itlb_cache_stats[ctx][cpu], count[0]);
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}
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static void zero_per_pkg(struct perf_evsel *counter)
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static void zero_per_pkg(struct perf_evsel *counter)
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{
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{
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if (counter->per_pkg_mask)
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if (counter->per_pkg_mask)
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@ -446,7 +333,7 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
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perf_counts_values__scale(count, scale, NULL);
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perf_counts_values__scale(count, scale, NULL);
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evsel->counts->cpu[cpu] = *count;
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evsel->counts->cpu[cpu] = *count;
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if (aggr_mode == AGGR_NONE)
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if (aggr_mode == AGGR_NONE)
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update_shadow_stats(evsel, count->values, cpu);
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perf_stat__update_shadow_stats(evsel, count->values, cpu);
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break;
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break;
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case AGGR_GLOBAL:
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case AGGR_GLOBAL:
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aggr->val += count->val;
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aggr->val += count->val;
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@ -494,7 +381,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
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/*
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/*
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* Save the full runtime - to allow normalization during printout:
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* Save the full runtime - to allow normalization during printout:
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*/
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*/
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update_shadow_stats(counter, count, 0);
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perf_stat__update_shadow_stats(counter, count, 0);
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return 0;
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return 0;
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}
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}
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@ -872,329 +759,6 @@ static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg)
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fprintf(output, " ");
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fprintf(output, " ");
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}
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}
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/* used for get_ratio_color() */
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enum grc_type {
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GRC_STALLED_CYCLES_FE,
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GRC_STALLED_CYCLES_BE,
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GRC_CACHE_MISSES,
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GRC_MAX_NR
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};
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static const char *get_ratio_color(enum grc_type type, double ratio)
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{
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static const double grc_table[GRC_MAX_NR][3] = {
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[GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
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[GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
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[GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
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};
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const char *color = PERF_COLOR_NORMAL;
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if (ratio > grc_table[type][0])
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color = PERF_COLOR_RED;
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else if (ratio > grc_table[type][1])
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color = PERF_COLOR_MAGENTA;
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else if (ratio > grc_table[type][2])
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color = PERF_COLOR_YELLOW;
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return color;
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}
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static void print_stalled_cycles_frontend(FILE *out, int cpu,
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struct perf_evsel *evsel
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__maybe_unused, double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " frontend cycles idle ");
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}
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static void print_stalled_cycles_backend(FILE *out, int cpu,
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struct perf_evsel *evsel
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__maybe_unused, double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " backend cycles idle ");
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}
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static void print_branch_misses(FILE *out, int cpu,
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struct perf_evsel *evsel __maybe_unused,
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double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_branches_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_CACHE_MISSES, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " of all branches ");
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}
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static void print_l1_dcache_misses(FILE *out, int cpu,
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struct perf_evsel *evsel __maybe_unused,
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double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_l1_dcache_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_CACHE_MISSES, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " of all L1-dcache hits ");
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}
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static void print_l1_icache_misses(FILE *out, int cpu,
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struct perf_evsel *evsel __maybe_unused,
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double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_l1_icache_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_CACHE_MISSES, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " of all L1-icache hits ");
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}
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static void print_dtlb_cache_misses(FILE *out, int cpu,
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struct perf_evsel *evsel __maybe_unused,
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double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_dtlb_cache_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_CACHE_MISSES, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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fprintf(out, " of all dTLB cache hits ");
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}
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static void print_itlb_cache_misses(FILE *out, int cpu,
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struct perf_evsel *evsel __maybe_unused,
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double avg)
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{
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double total, ratio = 0.0;
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const char *color;
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int ctx = evsel_context(evsel);
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total = avg_stats(&runtime_itlb_cache_stats[ctx][cpu]);
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if (total)
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ratio = avg / total * 100.0;
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color = get_ratio_color(GRC_CACHE_MISSES, ratio);
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fprintf(out, " # ");
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color_fprintf(out, color, "%6.2f%%", ratio);
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|
||||||
fprintf(out, " of all iTLB cache hits ");
|
|
||||||
}
|
|
||||||
|
|
||||||
static void print_ll_cache_misses(FILE *out, int cpu,
|
|
||||||
struct perf_evsel *evsel __maybe_unused,
|
|
||||||
double avg)
|
|
||||||
{
|
|
||||||
double total, ratio = 0.0;
|
|
||||||
const char *color;
|
|
||||||
int ctx = evsel_context(evsel);
|
|
||||||
|
|
||||||
total = avg_stats(&runtime_ll_cache_stats[ctx][cpu]);
|
|
||||||
|
|
||||||
if (total)
|
|
||||||
ratio = avg / total * 100.0;
|
|
||||||
|
|
||||||
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
|
||||||
|
|
||||||
fprintf(out, " # ");
|
|
||||||
color_fprintf(out, color, "%6.2f%%", ratio);
|
|
||||||
fprintf(out, " of all LL-cache hits ");
|
|
||||||
}
|
|
||||||
|
|
||||||
static void print_shadow_stats(FILE *out, struct perf_evsel *evsel,
|
|
||||||
double avg, int cpu, enum aggr_mode aggr)
|
|
||||||
{
|
|
||||||
double total, ratio = 0.0, total2;
|
|
||||||
int ctx = evsel_context(evsel);
|
|
||||||
|
|
||||||
if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
|
|
||||||
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
|
||||||
if (total) {
|
|
||||||
ratio = avg / total;
|
|
||||||
fprintf(out, " # %5.2f insns per cycle ", ratio);
|
|
||||||
} else {
|
|
||||||
fprintf(out, " ");
|
|
||||||
}
|
|
||||||
total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]);
|
|
||||||
total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu]));
|
|
||||||
|
|
||||||
if (total && avg) {
|
|
||||||
ratio = total / avg;
|
|
||||||
fprintf(out, "\n");
|
|
||||||
if (aggr == AGGR_NONE)
|
|
||||||
fprintf(out, " ");
|
|
||||||
fprintf(out, " # %5.2f stalled cycles per insn", ratio);
|
|
||||||
}
|
|
||||||
|
|
||||||
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
|
|
||||||
runtime_branches_stats[ctx][cpu].n != 0) {
|
|
||||||
print_branch_misses(out, cpu, evsel, avg);
|
|
||||||
} else if (
|
|
||||||
evsel->attr.type == PERF_TYPE_HW_CACHE &&
|
|
||||||
evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
|
|
||||||
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
|
|
||||||
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
|
|
||||||
runtime_l1_dcache_stats[ctx][cpu].n != 0) {
|
|
||||||
print_l1_dcache_misses(out, 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[ctx][cpu].n != 0) {
|
|
||||||
print_l1_icache_misses(out, 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[ctx][cpu].n != 0) {
|
|
||||||
print_dtlb_cache_misses(out, 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[ctx][cpu].n != 0) {
|
|
||||||
print_itlb_cache_misses(out, 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[ctx][cpu].n != 0) {
|
|
||||||
print_ll_cache_misses(out, cpu, evsel, avg);
|
|
||||||
} else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
|
|
||||||
runtime_cacherefs_stats[ctx][cpu].n != 0) {
|
|
||||||
total = avg_stats(&runtime_cacherefs_stats[ctx][cpu]);
|
|
||||||
|
|
||||||
if (total)
|
|
||||||
ratio = avg * 100 / total;
|
|
||||||
|
|
||||||
fprintf(out, " # %8.3f %% of all cache refs ", ratio);
|
|
||||||
|
|
||||||
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
|
|
||||||
print_stalled_cycles_frontend(out, cpu, evsel, avg);
|
|
||||||
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
|
|
||||||
print_stalled_cycles_backend(out, cpu, evsel, avg);
|
|
||||||
} else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
|
|
||||||
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
|
||||||
|
|
||||||
if (total) {
|
|
||||||
ratio = avg / total;
|
|
||||||
fprintf(out, " # %8.3f GHz ", ratio);
|
|
||||||
} else {
|
|
||||||
fprintf(out, " ");
|
|
||||||
}
|
|
||||||
} else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) {
|
|
||||||
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
|
||||||
if (total)
|
|
||||||
fprintf(out,
|
|
||||||
" # %5.2f%% transactional cycles ",
|
|
||||||
100.0 * (avg / total));
|
|
||||||
} else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX_CP)) {
|
|
||||||
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
|
||||||
total2 = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
|
||||||
if (total2 < avg)
|
|
||||||
total2 = avg;
|
|
||||||
if (total)
|
|
||||||
fprintf(out,
|
|
||||||
" # %5.2f%% aborted cycles ",
|
|
||||||
100.0 * ((total2-avg) / total));
|
|
||||||
} else if (perf_stat_evsel__is(evsel, TRANSACTION_START) &&
|
|
||||||
avg > 0 &&
|
|
||||||
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
|
|
||||||
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
|
||||||
|
|
||||||
if (total)
|
|
||||||
ratio = total / avg;
|
|
||||||
|
|
||||||
fprintf(out, " # %8.0f cycles / transaction ", ratio);
|
|
||||||
} else if (perf_stat_evsel__is(evsel, ELISION_START) &&
|
|
||||||
avg > 0 &&
|
|
||||||
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
|
|
||||||
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
|
||||||
|
|
||||||
if (total)
|
|
||||||
ratio = total / avg;
|
|
||||||
|
|
||||||
fprintf(out, " # %8.0f cycles / elision ", ratio);
|
|
||||||
} else if (runtime_nsecs_stats[cpu].n != 0) {
|
|
||||||
char unit = 'M';
|
|
||||||
|
|
||||||
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
|
||||||
|
|
||||||
if (total)
|
|
||||||
ratio = 1000.0 * avg / total;
|
|
||||||
if (ratio < 0.001) {
|
|
||||||
ratio *= 1000;
|
|
||||||
unit = 'K';
|
|
||||||
}
|
|
||||||
|
|
||||||
fprintf(out, " # %8.3f %c/sec ", ratio, unit);
|
|
||||||
} else {
|
|
||||||
fprintf(out, " ");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
|
static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
|
||||||
{
|
{
|
||||||
double sc = evsel->scale;
|
double sc = evsel->scale;
|
||||||
|
|
@ -1230,7 +794,7 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
|
||||||
if (csv_output || interval)
|
if (csv_output || interval)
|
||||||
return;
|
return;
|
||||||
|
|
||||||
print_shadow_stats(output, evsel, avg, cpu, aggr_mode);
|
perf_stat__print_shadow_stats(output, evsel, avg, cpu, aggr_mode);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void print_aggr(char *prefix)
|
static void print_aggr(char *prefix)
|
||||||
|
|
|
||||||
|
|
@ -68,6 +68,7 @@ libperf-y += rblist.o
|
||||||
libperf-y += intlist.o
|
libperf-y += intlist.o
|
||||||
libperf-y += vdso.o
|
libperf-y += vdso.o
|
||||||
libperf-y += stat.o
|
libperf-y += stat.o
|
||||||
|
libperf-y += stat-shadow.o
|
||||||
libperf-y += record.o
|
libperf-y += record.o
|
||||||
libperf-y += srcline.o
|
libperf-y += srcline.o
|
||||||
libperf-y += data.o
|
libperf-y += data.o
|
||||||
|
|
|
||||||
434
tools/perf/util/stat-shadow.c
Normal file
434
tools/perf/util/stat-shadow.c
Normal file
|
|
@ -0,0 +1,434 @@
|
||||||
|
#include <stdio.h>
|
||||||
|
#include "evsel.h"
|
||||||
|
#include "stat.h"
|
||||||
|
#include "color.h"
|
||||||
|
|
||||||
|
enum {
|
||||||
|
CTX_BIT_USER = 1 << 0,
|
||||||
|
CTX_BIT_KERNEL = 1 << 1,
|
||||||
|
CTX_BIT_HV = 1 << 2,
|
||||||
|
CTX_BIT_HOST = 1 << 3,
|
||||||
|
CTX_BIT_IDLE = 1 << 4,
|
||||||
|
CTX_BIT_MAX = 1 << 5,
|
||||||
|
};
|
||||||
|
|
||||||
|
#define NUM_CTX CTX_BIT_MAX
|
||||||
|
|
||||||
|
static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_cycles_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_stalled_cycles_front_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_stalled_cycles_back_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_branches_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_cacherefs_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_l1_dcache_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_l1_icache_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_ll_cache_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_itlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_dtlb_cache_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_cycles_in_tx_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS];
|
||||||
|
|
||||||
|
struct stats walltime_nsecs_stats;
|
||||||
|
|
||||||
|
static int evsel_context(struct perf_evsel *evsel)
|
||||||
|
{
|
||||||
|
int ctx = 0;
|
||||||
|
|
||||||
|
if (evsel->attr.exclude_kernel)
|
||||||
|
ctx |= CTX_BIT_KERNEL;
|
||||||
|
if (evsel->attr.exclude_user)
|
||||||
|
ctx |= CTX_BIT_USER;
|
||||||
|
if (evsel->attr.exclude_hv)
|
||||||
|
ctx |= CTX_BIT_HV;
|
||||||
|
if (evsel->attr.exclude_host)
|
||||||
|
ctx |= CTX_BIT_HOST;
|
||||||
|
if (evsel->attr.exclude_idle)
|
||||||
|
ctx |= CTX_BIT_IDLE;
|
||||||
|
|
||||||
|
return ctx;
|
||||||
|
}
|
||||||
|
|
||||||
|
void perf_stat__reset_shadow_stats(void)
|
||||||
|
{
|
||||||
|
memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
|
||||||
|
memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
|
||||||
|
memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
|
||||||
|
memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
|
||||||
|
memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
|
||||||
|
memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
|
||||||
|
memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
|
||||||
|
memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
|
||||||
|
memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
|
||||||
|
memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
|
||||||
|
memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
|
||||||
|
memset(runtime_cycles_in_tx_stats, 0,
|
||||||
|
sizeof(runtime_cycles_in_tx_stats));
|
||||||
|
memset(runtime_transaction_stats, 0,
|
||||||
|
sizeof(runtime_transaction_stats));
|
||||||
|
memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
|
||||||
|
memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Update various tracking values we maintain to print
|
||||||
|
* more semantic information such as miss/hit ratios,
|
||||||
|
* instruction rates, etc:
|
||||||
|
*/
|
||||||
|
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
|
||||||
|
int cpu)
|
||||||
|
{
|
||||||
|
int ctx = evsel_context(counter);
|
||||||
|
|
||||||
|
if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
|
||||||
|
update_stats(&runtime_nsecs_stats[cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
|
||||||
|
update_stats(&runtime_cycles_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
|
||||||
|
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_stat_evsel__is(counter, TRANSACTION_START))
|
||||||
|
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_stat_evsel__is(counter, ELISION_START))
|
||||||
|
update_stats(&runtime_elision_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
|
||||||
|
update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
|
||||||
|
update_stats(&runtime_stalled_cycles_back_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
|
||||||
|
update_stats(&runtime_branches_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
|
||||||
|
update_stats(&runtime_cacherefs_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
|
||||||
|
update_stats(&runtime_l1_dcache_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
|
||||||
|
update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
|
||||||
|
update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
|
||||||
|
update_stats(&runtime_dtlb_cache_stats[ctx][cpu], count[0]);
|
||||||
|
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
|
||||||
|
update_stats(&runtime_itlb_cache_stats[ctx][cpu], count[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* used for get_ratio_color() */
|
||||||
|
enum grc_type {
|
||||||
|
GRC_STALLED_CYCLES_FE,
|
||||||
|
GRC_STALLED_CYCLES_BE,
|
||||||
|
GRC_CACHE_MISSES,
|
||||||
|
GRC_MAX_NR
|
||||||
|
};
|
||||||
|
|
||||||
|
static const char *get_ratio_color(enum grc_type type, double ratio)
|
||||||
|
{
|
||||||
|
static const double grc_table[GRC_MAX_NR][3] = {
|
||||||
|
[GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
|
||||||
|
[GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
|
||||||
|
[GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
|
||||||
|
};
|
||||||
|
const char *color = PERF_COLOR_NORMAL;
|
||||||
|
|
||||||
|
if (ratio > grc_table[type][0])
|
||||||
|
color = PERF_COLOR_RED;
|
||||||
|
else if (ratio > grc_table[type][1])
|
||||||
|
color = PERF_COLOR_MAGENTA;
|
||||||
|
else if (ratio > grc_table[type][2])
|
||||||
|
color = PERF_COLOR_YELLOW;
|
||||||
|
|
||||||
|
return color;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_stalled_cycles_frontend(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel
|
||||||
|
__maybe_unused, double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " frontend cycles idle ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_stalled_cycles_backend(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel
|
||||||
|
__maybe_unused, double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " backend cycles idle ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_branch_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_branches_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all branches ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_l1_dcache_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_l1_dcache_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all L1-dcache hits ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_l1_icache_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_l1_icache_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all L1-icache hits ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_dtlb_cache_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_dtlb_cache_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all dTLB cache hits ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_itlb_cache_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_itlb_cache_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all iTLB cache hits ");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_ll_cache_misses(FILE *out, int cpu,
|
||||||
|
struct perf_evsel *evsel __maybe_unused,
|
||||||
|
double avg)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0;
|
||||||
|
const char *color;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_ll_cache_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg / total * 100.0;
|
||||||
|
|
||||||
|
color = get_ratio_color(GRC_CACHE_MISSES, ratio);
|
||||||
|
|
||||||
|
fprintf(out, " # ");
|
||||||
|
color_fprintf(out, color, "%6.2f%%", ratio);
|
||||||
|
fprintf(out, " of all LL-cache hits ");
|
||||||
|
}
|
||||||
|
|
||||||
|
void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel,
|
||||||
|
double avg, int cpu, enum aggr_mode aggr)
|
||||||
|
{
|
||||||
|
double total, ratio = 0.0, total2;
|
||||||
|
int ctx = evsel_context(evsel);
|
||||||
|
|
||||||
|
if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
|
||||||
|
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
||||||
|
if (total) {
|
||||||
|
ratio = avg / total;
|
||||||
|
fprintf(out, " # %5.2f insns per cycle ", ratio);
|
||||||
|
} else {
|
||||||
|
fprintf(out, " ");
|
||||||
|
}
|
||||||
|
total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]);
|
||||||
|
total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu]));
|
||||||
|
|
||||||
|
if (total && avg) {
|
||||||
|
ratio = total / avg;
|
||||||
|
fprintf(out, "\n");
|
||||||
|
if (aggr == AGGR_NONE)
|
||||||
|
fprintf(out, " ");
|
||||||
|
fprintf(out, " # %5.2f stalled cycles per insn", ratio);
|
||||||
|
}
|
||||||
|
|
||||||
|
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
|
||||||
|
runtime_branches_stats[ctx][cpu].n != 0) {
|
||||||
|
print_branch_misses(out, cpu, evsel, avg);
|
||||||
|
} else if (
|
||||||
|
evsel->attr.type == PERF_TYPE_HW_CACHE &&
|
||||||
|
evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
|
||||||
|
((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
|
||||||
|
((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
|
||||||
|
runtime_l1_dcache_stats[ctx][cpu].n != 0) {
|
||||||
|
print_l1_dcache_misses(out, 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[ctx][cpu].n != 0) {
|
||||||
|
print_l1_icache_misses(out, 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[ctx][cpu].n != 0) {
|
||||||
|
print_dtlb_cache_misses(out, 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[ctx][cpu].n != 0) {
|
||||||
|
print_itlb_cache_misses(out, 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[ctx][cpu].n != 0) {
|
||||||
|
print_ll_cache_misses(out, cpu, evsel, avg);
|
||||||
|
} else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
|
||||||
|
runtime_cacherefs_stats[ctx][cpu].n != 0) {
|
||||||
|
total = avg_stats(&runtime_cacherefs_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = avg * 100 / total;
|
||||||
|
|
||||||
|
fprintf(out, " # %8.3f %% of all cache refs ", ratio);
|
||||||
|
|
||||||
|
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
|
||||||
|
print_stalled_cycles_frontend(out, cpu, evsel, avg);
|
||||||
|
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
|
||||||
|
print_stalled_cycles_backend(out, cpu, evsel, avg);
|
||||||
|
} else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
|
||||||
|
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
||||||
|
|
||||||
|
if (total) {
|
||||||
|
ratio = avg / total;
|
||||||
|
fprintf(out, " # %8.3f GHz ", ratio);
|
||||||
|
} else {
|
||||||
|
fprintf(out, " ");
|
||||||
|
}
|
||||||
|
} else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) {
|
||||||
|
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
||||||
|
if (total)
|
||||||
|
fprintf(out,
|
||||||
|
" # %5.2f%% transactional cycles ",
|
||||||
|
100.0 * (avg / total));
|
||||||
|
} else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX_CP)) {
|
||||||
|
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
|
||||||
|
total2 = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
||||||
|
if (total2 < avg)
|
||||||
|
total2 = avg;
|
||||||
|
if (total)
|
||||||
|
fprintf(out,
|
||||||
|
" # %5.2f%% aborted cycles ",
|
||||||
|
100.0 * ((total2-avg) / total));
|
||||||
|
} else if (perf_stat_evsel__is(evsel, TRANSACTION_START) &&
|
||||||
|
avg > 0 &&
|
||||||
|
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
|
||||||
|
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = total / avg;
|
||||||
|
|
||||||
|
fprintf(out, " # %8.0f cycles / transaction ", ratio);
|
||||||
|
} else if (perf_stat_evsel__is(evsel, ELISION_START) &&
|
||||||
|
avg > 0 &&
|
||||||
|
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
|
||||||
|
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = total / avg;
|
||||||
|
|
||||||
|
fprintf(out, " # %8.0f cycles / elision ", ratio);
|
||||||
|
} else if (runtime_nsecs_stats[cpu].n != 0) {
|
||||||
|
char unit = 'M';
|
||||||
|
|
||||||
|
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
||||||
|
|
||||||
|
if (total)
|
||||||
|
ratio = 1000.0 * avg / total;
|
||||||
|
if (ratio < 0.001) {
|
||||||
|
ratio *= 1000;
|
||||||
|
unit = 'K';
|
||||||
|
}
|
||||||
|
|
||||||
|
fprintf(out, " # %8.3f %c/sec ", ratio, unit);
|
||||||
|
} else {
|
||||||
|
fprintf(out, " ");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -2,6 +2,7 @@
|
||||||
#define __PERF_STATS_H
|
#define __PERF_STATS_H
|
||||||
|
|
||||||
#include <linux/types.h>
|
#include <linux/types.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
|
||||||
struct stats
|
struct stats
|
||||||
{
|
{
|
||||||
|
|
@ -23,6 +24,13 @@ struct perf_stat {
|
||||||
enum perf_stat_evsel_id id;
|
enum perf_stat_evsel_id id;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
enum aggr_mode {
|
||||||
|
AGGR_NONE,
|
||||||
|
AGGR_GLOBAL,
|
||||||
|
AGGR_SOCKET,
|
||||||
|
AGGR_CORE,
|
||||||
|
};
|
||||||
|
|
||||||
void update_stats(struct stats *stats, u64 val);
|
void update_stats(struct stats *stats, u64 val);
|
||||||
double avg_stats(struct stats *stats);
|
double avg_stats(struct stats *stats);
|
||||||
double stddev_stats(struct stats *stats);
|
double stddev_stats(struct stats *stats);
|
||||||
|
|
@ -46,4 +54,12 @@ bool __perf_evsel_stat__is(struct perf_evsel *evsel,
|
||||||
|
|
||||||
void perf_stat_evsel_id_init(struct perf_evsel *evsel);
|
void perf_stat_evsel_id_init(struct perf_evsel *evsel);
|
||||||
|
|
||||||
|
extern struct stats walltime_nsecs_stats;
|
||||||
|
|
||||||
|
void perf_stat__reset_shadow_stats(void);
|
||||||
|
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
|
||||||
|
int cpu);
|
||||||
|
void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel,
|
||||||
|
double avg, int cpu, enum aggr_mode aggr);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue