Separating shadow counters code into separate object as a cleanup, but mainly for upcomming changes, so could use it from script command context.
Link: http://lkml.kernel.org/n/tip-ic34l55jem02kx4h3wodn...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-stat.c | 444 +----------------------------------------- tools/perf/util/Build | 1 + tools/perf/util/stat-shadow.c | 434 +++++++++++++++++++++++++++++++++++++++++ tools/perf/util/stat.h | 16 ++ 4 files changed, 455 insertions(+), 440 deletions(-) create mode 100644 tools/perf/util/stat-shadow.c diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 50918dc9fb31..ff3d25803400 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -102,13 +102,6 @@ static struct target target = { .uid = UINT_MAX, }; -enum aggr_mode { - AGGR_NONE, - AGGR_GLOBAL, - AGGR_SOCKET, - AGGR_CORE, -}; - static int run_count = 1; static bool no_inherit = false; static bool scale = true; @@ -234,72 +227,6 @@ out_free: return -1; } -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 walltime_nsecs_stats; -static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS]; -static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS]; - -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; -} - -static void 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)); -} - static void perf_stat__reset_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; @@ -309,7 +236,7 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist) perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); } - reset_shadow_stats(); + perf_stat__reset_shadow_stats(); } static int create_perf_stat_counter(struct perf_evsel *evsel) @@ -346,46 +273,6 @@ static inline int nsec_counter(struct perf_evsel *evsel) return 0; } -/* - * Update various tracking values we maintain to print - * more semantic information such as miss/hit ratios, - * instruction rates, etc: - */ -static void 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]); -} - static void zero_per_pkg(struct perf_evsel *counter) { if (counter->per_pkg_mask) @@ -446,7 +333,7 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused, perf_counts_values__scale(count, scale, NULL); evsel->counts->cpu[cpu] = *count; if (aggr_mode == AGGR_NONE) - update_shadow_stats(evsel, count->values, cpu); + perf_stat__update_shadow_stats(evsel, count->values, cpu); break; case AGGR_GLOBAL: aggr->val += count->val; @@ -494,7 +381,7 @@ static int read_counter_aggr(struct perf_evsel *counter) /* * Save the full runtime - to allow normalization during printout: */ - update_shadow_stats(counter, count, 0); + perf_stat__update_shadow_stats(counter, count, 0); return 0; } @@ -872,329 +759,6 @@ static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) fprintf(output, " "); } -/* 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 "); -} - -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) { 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) 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) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index e4b676de2f64..586a59d46022 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -68,6 +68,7 @@ libperf-y += rblist.o libperf-y += intlist.o libperf-y += vdso.o libperf-y += stat.o +libperf-y += stat-shadow.o libperf-y += record.o libperf-y += srcline.o libperf-y += data.o diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c new file mode 100644 index 000000000000..53e8bb7bc852 --- /dev/null +++ b/tools/perf/util/stat-shadow.c @@ -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, " "); + } +} diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 3df529bd0774..615c779eb42a 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -2,6 +2,7 @@ #define __PERF_STATS_H #include <linux/types.h> +#include <stdio.h> struct stats { @@ -23,6 +24,13 @@ struct perf_stat { 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); double avg_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); +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 -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
