diff options
Diffstat (limited to 'tools/perf/util/stat-shadow.c')
| -rw-r--r-- | tools/perf/util/stat-shadow.c | 1257 |
1 files changed, 314 insertions, 943 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 806b32156459..eeccab6751d7 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -16,142 +16,43 @@ #include "iostat.h" #include "util/hashmap.h" -/* - * AGGR_GLOBAL: Use CPU 0 - * AGGR_SOCKET: Use first CPU of socket - * AGGR_DIE: Use first CPU of die - * AGGR_CORE: Use first CPU of core - * AGGR_NONE: Use matching CPU - * AGGR_THREAD: Not supported? - */ - -struct runtime_stat rt_stat; struct stats walltime_nsecs_stats; struct rusage_stats ru_stats; -struct saved_value { - struct rb_node rb_node; - struct evsel *evsel; - enum stat_type type; - int ctx; - int map_idx; /* cpu or thread map index */ - struct cgroup *cgrp; - struct stats stats; - u64 metric_total; - int metric_other; +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, }; -static int saved_value_cmp(struct rb_node *rb_node, const void *entry) -{ - struct saved_value *a = container_of(rb_node, - struct saved_value, - rb_node); - const struct saved_value *b = entry; - - if (a->map_idx != b->map_idx) - return a->map_idx - b->map_idx; - - /* - * Previously the rbtree was used to link generic metrics. - * The keys were evsel/cpu. Now the rbtree is extended to support - * per-thread shadow stats. For shadow stats case, the keys - * are cpu/type/ctx/stat (evsel is NULL). For generic metrics - * case, the keys are still evsel/cpu (type/ctx/stat are 0 or NULL). - */ - if (a->type != b->type) - return a->type - b->type; - - if (a->ctx != b->ctx) - return a->ctx - b->ctx; - - if (a->cgrp != b->cgrp) - return (char *)a->cgrp < (char *)b->cgrp ? -1 : +1; - - if (a->evsel == b->evsel) - return 0; - if ((char *)a->evsel < (char *)b->evsel) - return -1; - return +1; -} - -static struct rb_node *saved_value_new(struct rblist *rblist __maybe_unused, - const void *entry) -{ - struct saved_value *nd = malloc(sizeof(struct saved_value)); - - if (!nd) - return NULL; - memcpy(nd, entry, sizeof(struct saved_value)); - return &nd->rb_node; -} - -static void saved_value_delete(struct rblist *rblist __maybe_unused, - struct rb_node *rb_node) -{ - struct saved_value *v; - - BUG_ON(!rb_node); - v = container_of(rb_node, struct saved_value, rb_node); - free(v); -} - -static struct saved_value *saved_value_lookup(struct evsel *evsel, - int map_idx, - bool create, - enum stat_type type, - int ctx, - struct runtime_stat *st, - struct cgroup *cgrp) -{ - struct rblist *rblist; - struct rb_node *nd; - struct saved_value dm = { - .map_idx = map_idx, - .evsel = evsel, - .type = type, - .ctx = ctx, - .cgrp = cgrp, - }; - - rblist = &st->value_list; - - /* don't use context info for clock events */ - if (type == STAT_NSECS) - dm.ctx = 0; - - nd = rblist__find(rblist, &dm); - if (nd) - return container_of(nd, struct saved_value, rb_node); - if (create) { - rblist__add_node(rblist, &dm); - nd = rblist__find(rblist, &dm); - if (nd) - return container_of(nd, struct saved_value, rb_node); - } - return NULL; -} - -void runtime_stat__init(struct runtime_stat *st) -{ - struct rblist *rblist = &st->value_list; - - rblist__init(rblist); - rblist->node_cmp = saved_value_cmp; - rblist->node_new = saved_value_new; - rblist->node_delete = saved_value_delete; -} - -void runtime_stat__exit(struct runtime_stat *st) -{ - rblist__exit(&st->value_list); -} - -void perf_stat__init_shadow_stats(void) -{ - runtime_stat__init(&rt_stat); -} +enum stat_type { + STAT_NONE = 0, + STAT_NSECS, + STAT_CYCLES, + STAT_INSTRUCTIONS, + STAT_STALLED_CYCLES_FRONT, + STAT_STALLED_CYCLES_BACK, + STAT_BRANCHES, + STAT_BRANCH_MISS, + STAT_CACHE_REFS, + STAT_CACHE_MISSES, + STAT_L1_DCACHE, + STAT_L1_ICACHE, + STAT_LL_CACHE, + STAT_ITLB_CACHE, + STAT_DTLB_CACHE, + STAT_L1D_MISS, + STAT_L1I_MISS, + STAT_LL_MISS, + STAT_DTLB_MISS, + STAT_ITLB_MISS, + STAT_MAX +}; -static int evsel_context(struct evsel *evsel) +static int evsel_context(const struct evsel *evsel) { int ctx = 0; @@ -169,553 +70,307 @@ static int evsel_context(struct evsel *evsel) return ctx; } -static void reset_stat(struct runtime_stat *st) -{ - struct rblist *rblist; - struct rb_node *pos, *next; - - rblist = &st->value_list; - next = rb_first_cached(&rblist->entries); - while (next) { - pos = next; - next = rb_next(pos); - memset(&container_of(pos, struct saved_value, rb_node)->stats, - 0, - sizeof(struct stats)); - } -} - void perf_stat__reset_shadow_stats(void) { - reset_stat(&rt_stat); memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); memset(&ru_stats, 0, sizeof(ru_stats)); } -void perf_stat__reset_shadow_per_stat(struct runtime_stat *st) +static enum stat_type evsel__stat_type(const struct evsel *evsel) { - reset_stat(st); -} - -struct runtime_stat_data { - int ctx; - struct cgroup *cgrp; -}; - -static void update_runtime_stat(struct runtime_stat *st, - enum stat_type type, - int map_idx, u64 count, - struct runtime_stat_data *rsd) -{ - struct saved_value *v = saved_value_lookup(NULL, map_idx, true, type, - rsd->ctx, st, rsd->cgrp); - - if (v) - update_stats(&v->stats, count); -} - -/* - * 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 evsel *counter, u64 count, - int map_idx, struct runtime_stat *st) -{ - u64 count_ns = count; - struct saved_value *v; - struct runtime_stat_data rsd = { - .ctx = evsel_context(counter), - .cgrp = counter->cgrp, - }; + /* Fake perf_hw_cache_op_id values for use with evsel__match. */ + u64 PERF_COUNT_hw_cache_l1d_miss = PERF_COUNT_HW_CACHE_L1D | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16); + u64 PERF_COUNT_hw_cache_l1i_miss = PERF_COUNT_HW_CACHE_L1I | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16); + u64 PERF_COUNT_hw_cache_ll_miss = PERF_COUNT_HW_CACHE_LL | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16); + u64 PERF_COUNT_hw_cache_dtlb_miss = PERF_COUNT_HW_CACHE_DTLB | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16); + u64 PERF_COUNT_hw_cache_itlb_miss = PERF_COUNT_HW_CACHE_ITLB | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16); - count *= counter->scale; - - if (evsel__is_clock(counter)) - update_runtime_stat(st, STAT_NSECS, map_idx, count_ns, &rsd); - else if (evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) - update_runtime_stat(st, STAT_CYCLES, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, CYCLES_IN_TX)) - update_runtime_stat(st, STAT_CYCLES_IN_TX, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TRANSACTION_START)) - update_runtime_stat(st, STAT_TRANSACTION, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, ELISION_START)) - update_runtime_stat(st, STAT_ELISION, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_TOTAL_SLOTS)) - update_runtime_stat(st, STAT_TOPDOWN_TOTAL_SLOTS, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_ISSUED)) - update_runtime_stat(st, STAT_TOPDOWN_SLOTS_ISSUED, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_RETIRED)) - update_runtime_stat(st, STAT_TOPDOWN_SLOTS_RETIRED, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_FETCH_BUBBLES)) - update_runtime_stat(st, STAT_TOPDOWN_FETCH_BUBBLES, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_RECOVERY_BUBBLES)) - update_runtime_stat(st, STAT_TOPDOWN_RECOVERY_BUBBLES, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_RETIRING)) - update_runtime_stat(st, STAT_TOPDOWN_RETIRING, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_BAD_SPEC)) - update_runtime_stat(st, STAT_TOPDOWN_BAD_SPEC, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_FE_BOUND)) - update_runtime_stat(st, STAT_TOPDOWN_FE_BOUND, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_BE_BOUND)) - update_runtime_stat(st, STAT_TOPDOWN_BE_BOUND, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_HEAVY_OPS)) - update_runtime_stat(st, STAT_TOPDOWN_HEAVY_OPS, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_BR_MISPREDICT)) - update_runtime_stat(st, STAT_TOPDOWN_BR_MISPREDICT, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_FETCH_LAT)) - update_runtime_stat(st, STAT_TOPDOWN_FETCH_LAT, - map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, TOPDOWN_MEM_BOUND)) - update_runtime_stat(st, STAT_TOPDOWN_MEM_BOUND, - map_idx, count, &rsd); - else if (evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) - update_runtime_stat(st, STAT_STALLED_CYCLES_FRONT, - map_idx, count, &rsd); - else if (evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) - update_runtime_stat(st, STAT_STALLED_CYCLES_BACK, - map_idx, count, &rsd); - else if (evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) - update_runtime_stat(st, STAT_BRANCHES, map_idx, count, &rsd); - else if (evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) - update_runtime_stat(st, STAT_CACHEREFS, map_idx, count, &rsd); - else if (evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) - update_runtime_stat(st, STAT_L1_DCACHE, map_idx, count, &rsd); - else if (evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) - update_runtime_stat(st, STAT_L1_ICACHE, map_idx, count, &rsd); - else if (evsel__match(counter, HW_CACHE, HW_CACHE_LL)) - update_runtime_stat(st, STAT_LL_CACHE, map_idx, count, &rsd); - else if (evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) - update_runtime_stat(st, STAT_DTLB_CACHE, map_idx, count, &rsd); - else if (evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) - update_runtime_stat(st, STAT_ITLB_CACHE, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, SMI_NUM)) - update_runtime_stat(st, STAT_SMI_NUM, map_idx, count, &rsd); - else if (perf_stat_evsel__is(counter, APERF)) - update_runtime_stat(st, STAT_APERF, map_idx, count, &rsd); - - if (counter->collect_stat) { - v = saved_value_lookup(counter, map_idx, true, STAT_NONE, 0, st, - rsd.cgrp); - update_stats(&v->stats, count); - if (counter->metric_leader) - v->metric_total += count; - } else if (counter->metric_leader && !counter->merged_stat) { - v = saved_value_lookup(counter->metric_leader, - map_idx, true, STAT_NONE, 0, st, rsd.cgrp); - v->metric_total += count; - v->metric_other++; - } + if (evsel__is_clock(evsel)) + return STAT_NSECS; + else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) + return STAT_CYCLES; + else if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) + return STAT_INSTRUCTIONS; + else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) + return STAT_STALLED_CYCLES_FRONT; + else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) + return STAT_STALLED_CYCLES_BACK; + else if (evsel__match(evsel, HARDWARE, HW_BRANCH_INSTRUCTIONS)) + return STAT_BRANCHES; + else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) + return STAT_BRANCH_MISS; + else if (evsel__match(evsel, HARDWARE, HW_CACHE_REFERENCES)) + return STAT_CACHE_REFS; + else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) + return STAT_CACHE_MISSES; + else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1D)) + return STAT_L1_DCACHE; + else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1I)) + return STAT_L1_ICACHE; + else if (evsel__match(evsel, HW_CACHE, HW_CACHE_LL)) + return STAT_LL_CACHE; + else if (evsel__match(evsel, HW_CACHE, HW_CACHE_DTLB)) + return STAT_DTLB_CACHE; + else if (evsel__match(evsel, HW_CACHE, HW_CACHE_ITLB)) + return STAT_ITLB_CACHE; + else if (evsel__match(evsel, HW_CACHE, hw_cache_l1d_miss)) + return STAT_L1D_MISS; + else if (evsel__match(evsel, HW_CACHE, hw_cache_l1i_miss)) + return STAT_L1I_MISS; + else if (evsel__match(evsel, HW_CACHE, hw_cache_ll_miss)) + return STAT_LL_MISS; + else if (evsel__match(evsel, HW_CACHE, hw_cache_dtlb_miss)) + return STAT_DTLB_MISS; + else if (evsel__match(evsel, HW_CACHE, hw_cache_itlb_miss)) + return STAT_ITLB_MISS; + return STAT_NONE; } -/* 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 char *get_ratio_color(const double ratios[3], double val) { - 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]) + if (val > ratios[0]) color = PERF_COLOR_RED; - else if (ratio > grc_table[type][1]) + else if (val > ratios[1]) color = PERF_COLOR_MAGENTA; - else if (ratio > grc_table[type][2]) + else if (val > ratios[2]) color = PERF_COLOR_YELLOW; return color; } -static double runtime_stat_avg(struct runtime_stat *st, - enum stat_type type, int map_idx, - struct runtime_stat_data *rsd) +static double find_stat(const struct evsel *evsel, int aggr_idx, enum stat_type type) { - struct saved_value *v; + const struct evsel *cur; + int evsel_ctx = evsel_context(evsel); - v = saved_value_lookup(NULL, map_idx, false, type, rsd->ctx, st, rsd->cgrp); - if (!v) - return 0.0; + evlist__for_each_entry(evsel->evlist, cur) { + struct perf_stat_aggr *aggr; - return avg_stats(&v->stats); -} + /* Ignore the evsel that is being searched from. */ + if (evsel == cur) + continue; -static double runtime_stat_n(struct runtime_stat *st, - enum stat_type type, int map_idx, - struct runtime_stat_data *rsd) -{ - struct saved_value *v; + /* Ignore evsels that are part of different groups. */ + if (evsel->core.leader->nr_members > 1 && + evsel->core.leader != cur->core.leader) + continue; + /* Ignore evsels with mismatched modifiers. */ + if (evsel_ctx != evsel_context(cur)) + continue; + /* Ignore if not the cgroup we're looking for. */ + if (evsel->cgrp != cur->cgrp) + continue; + /* Ignore if not the stat we're looking for. */ + if (type != evsel__stat_type(cur)) + continue; - v = saved_value_lookup(NULL, map_idx, false, type, rsd->ctx, st, rsd->cgrp); - if (!v) - return 0.0; - - return v->stats.n; + aggr = &cur->stats->aggr[aggr_idx]; + if (type == STAT_NSECS) + return aggr->counts.val; + return aggr->counts.val * cur->scale; + } + return 0.0; } -static void print_stalled_cycles_frontend(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_ratio(struct perf_stat_config *config, + const struct evsel *evsel, int aggr_idx, + double numerator, struct perf_stat_output_ctx *out, + enum stat_type denominator_type, + const double color_ratios[3], const char *unit) { - double total, ratio = 0.0; - const char *color; + double denominator = find_stat(evsel, aggr_idx, denominator_type); - total = runtime_stat_avg(st, STAT_CYCLES, map_idx, rsd); + if (numerator && denominator) { + double ratio = numerator / denominator * 100.0; + const char *color = get_ratio_color(color_ratios, ratio); - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); - - if (ratio) - out->print_metric(config, out->ctx, color, "%7.2f%%", "frontend cycles idle", - ratio); - else - out->print_metric(config, out->ctx, NULL, NULL, "frontend cycles idle", 0); + out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio); + } else + out->print_metric(config, out->ctx, NULL, NULL, unit, 0); } -static void print_stalled_cycles_backend(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_stalled_cycles_front(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double stalled, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; - - total = runtime_stat_avg(st, STAT_CYCLES, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); + static const double color_ratios[3] = {50.0, 30.0, 10.0}; - out->print_metric(config, out->ctx, color, "%7.2f%%", "backend cycles idle", ratio); + print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios, + "frontend cycles idle"); } -static void print_branch_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_stalled_cycles_back(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double stalled, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; + static const double color_ratios[3] = {75.0, 50.0, 20.0}; - total = runtime_stat_avg(st, STAT_BRANCHES, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all branches", ratio); + print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios, + "backend cycles idle"); } -static void print_l1_dcache_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_branch_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; - - total = runtime_stat_avg(st, STAT_L1_DCACHE, map_idx, rsd); + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-dcache accesses", ratio); + print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios, + "of all branches"); } -static void print_l1_icache_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_l1d_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; - - total = runtime_stat_avg(st, STAT_L1_ICACHE, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all L1-icache accesses", ratio); + print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios, + "of all L1-dcache accesses"); } -static void print_dtlb_cache_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_l1i_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - total = runtime_stat_avg(st, STAT_DTLB_CACHE, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all dTLB cache accesses", ratio); + print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios, + "of all L1-icache accesses"); } -static void print_itlb_cache_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_ll_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; - - total = runtime_stat_avg(st, STAT_ITLB_CACHE, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all iTLB cache accesses", ratio); + print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios, + "of all L1-icache accesses"); } -static void print_ll_cache_misses(struct perf_stat_config *config, - int map_idx, double avg, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_dtlb_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double total, ratio = 0.0; - const char *color; + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - total = runtime_stat_avg(st, STAT_LL_CACHE, map_idx, rsd); - - if (total) - ratio = avg / total * 100.0; - - color = get_ratio_color(GRC_CACHE_MISSES, ratio); - out->print_metric(config, out->ctx, color, "%7.2f%%", "of all LL-cache accesses", ratio); -} - -/* - * High level "TopDown" CPU core pipe line bottleneck break down. - * - * Basic concept following - * Yasin, A Top Down Method for Performance analysis and Counter architecture - * ISPASS14 - * - * The CPU pipeline is divided into 4 areas that can be bottlenecks: - * - * Frontend -> Backend -> Retiring - * BadSpeculation in addition means out of order execution that is thrown away - * (for example branch mispredictions) - * Frontend is instruction decoding. - * Backend is execution, like computation and accessing data in memory - * Retiring is good execution that is not directly bottlenecked - * - * The formulas are computed in slots. - * A slot is an entry in the pipeline each for the pipeline width - * (for example a 4-wide pipeline has 4 slots for each cycle) - * - * Formulas: - * BadSpeculation = ((SlotsIssued - SlotsRetired) + RecoveryBubbles) / - * TotalSlots - * Retiring = SlotsRetired / TotalSlots - * FrontendBound = FetchBubbles / TotalSlots - * BackendBound = 1.0 - BadSpeculation - Retiring - FrontendBound - * - * The kernel provides the mapping to the low level CPU events and any scaling - * needed for the CPU pipeline width, for example: - * - * TotalSlots = Cycles * 4 - * - * The scaling factor is communicated in the sysfs unit. - * - * In some cases the CPU may not be able to measure all the formulas due to - * missing events. In this case multiple formulas are combined, as possible. - * - * Full TopDown supports more levels to sub-divide each area: for example - * BackendBound into computing bound and memory bound. For now we only - * support Level 1 TopDown. - */ - -static double sanitize_val(double x) -{ - if (x < 0 && x >= -0.02) - return 0.0; - return x; + print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios, + "of all dTLB cache accesses"); } -static double td_total_slots(int map_idx, struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_itlb_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - return runtime_stat_avg(st, STAT_TOPDOWN_TOTAL_SLOTS, map_idx, rsd); -} - -static double td_bad_spec(int map_idx, struct runtime_stat *st, - struct runtime_stat_data *rsd) -{ - double bad_spec = 0; - double total_slots; - double total; - - total = runtime_stat_avg(st, STAT_TOPDOWN_SLOTS_ISSUED, map_idx, rsd) - - runtime_stat_avg(st, STAT_TOPDOWN_SLOTS_RETIRED, map_idx, rsd) + - runtime_stat_avg(st, STAT_TOPDOWN_RECOVERY_BUBBLES, map_idx, rsd); + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - total_slots = td_total_slots(map_idx, st, rsd); - if (total_slots) - bad_spec = total / total_slots; - return sanitize_val(bad_spec); + print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios, + "of all iTLB cache accesses"); } -static double td_retiring(int map_idx, struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_cache_miss(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out) { - double retiring = 0; - double total_slots = td_total_slots(map_idx, st, rsd); - double ret_slots = runtime_stat_avg(st, STAT_TOPDOWN_SLOTS_RETIRED, - map_idx, rsd); + static const double color_ratios[3] = {20.0, 10.0, 5.0}; - if (total_slots) - retiring = ret_slots / total_slots; - return retiring; + print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios, + "of all cache refs"); } -static double td_fe_bound(int map_idx, struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_instructions(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double instructions, + struct perf_stat_output_ctx *out) { - double fe_bound = 0; - double total_slots = td_total_slots(map_idx, st, rsd); - double fetch_bub = runtime_stat_avg(st, STAT_TOPDOWN_FETCH_BUBBLES, - map_idx, rsd); + print_metric_t print_metric = out->print_metric; + void *ctxp = out->ctx; + double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES); + double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT), + find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK)); - if (total_slots) - fe_bound = fetch_bub / total_slots; - return fe_bound; -} + if (cycles) { + print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle", + instructions / cycles); + } else + print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0); -static double td_be_bound(int map_idx, struct runtime_stat *st, - struct runtime_stat_data *rsd) -{ - double sum = (td_fe_bound(map_idx, st, rsd) + - td_bad_spec(map_idx, st, rsd) + - td_retiring(map_idx, st, rsd)); - if (sum == 0) - return 0; - return sanitize_val(1.0 - sum); + if (max_stalled && instructions) { + out->new_line(config, ctxp); + print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn", + max_stalled / instructions); + } } -/* - * Kernel reports metrics multiplied with slots. To get back - * the ratios we need to recreate the sum. - */ - -static double td_metric_ratio(int map_idx, enum stat_type type, - struct runtime_stat *stat, - struct runtime_stat_data *rsd) +static void print_cycles(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double cycles, + struct perf_stat_output_ctx *out) { - double sum = runtime_stat_avg(stat, STAT_TOPDOWN_RETIRING, map_idx, rsd) + - runtime_stat_avg(stat, STAT_TOPDOWN_FE_BOUND, map_idx, rsd) + - runtime_stat_avg(stat, STAT_TOPDOWN_BE_BOUND, map_idx, rsd) + - runtime_stat_avg(stat, STAT_TOPDOWN_BAD_SPEC, map_idx, rsd); - double d = runtime_stat_avg(stat, type, map_idx, rsd); - - if (sum) - return d / sum; - return 0; -} + double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS); -/* - * ... but only if most of the values are actually available. - * We allow two missing. - */ - -static bool full_td(int map_idx, struct runtime_stat *stat, - struct runtime_stat_data *rsd) -{ - int c = 0; + if (cycles && nsecs) { + double ratio = cycles / nsecs; - if (runtime_stat_avg(stat, STAT_TOPDOWN_RETIRING, map_idx, rsd) > 0) - c++; - if (runtime_stat_avg(stat, STAT_TOPDOWN_BE_BOUND, map_idx, rsd) > 0) - c++; - if (runtime_stat_avg(stat, STAT_TOPDOWN_FE_BOUND, map_idx, rsd) > 0) - c++; - if (runtime_stat_avg(stat, STAT_TOPDOWN_BAD_SPEC, map_idx, rsd) > 0) - c++; - return c >= 2; + out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio); + } else + out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0); } -static void print_smi_cost(struct perf_stat_config *config, int map_idx, - struct perf_stat_output_ctx *out, - struct runtime_stat *st, - struct runtime_stat_data *rsd) +static void print_nsecs(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx __maybe_unused, double nsecs, + struct perf_stat_output_ctx *out) { - double smi_num, aperf, cycles, cost = 0.0; - const char *color = NULL; - - smi_num = runtime_stat_avg(st, STAT_SMI_NUM, map_idx, rsd); - aperf = runtime_stat_avg(st, STAT_APERF, map_idx, rsd); - cycles = runtime_stat_avg(st, STAT_CYCLES, map_idx, rsd); - - if ((cycles == 0) || (aperf == 0)) - return; - - if (smi_num) - cost = (aperf - cycles) / aperf * 100.00; + print_metric_t print_metric = out->print_metric; + void *ctxp = out->ctx; + double wall_time = avg_stats(&walltime_nsecs_stats); - if (cost > 10) - color = PERF_COLOR_RED; - out->print_metric(config, out->ctx, color, "%8.1f%%", "SMI cycles%", cost); - out->print_metric(config, out->ctx, NULL, "%4.0f", "SMI#", smi_num); + if (wall_time) { + print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized", + nsecs / (wall_time * evsel->scale)); + } else + print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0); } static int prepare_metric(struct evsel **metric_events, struct metric_ref *metric_refs, struct expr_parse_ctx *pctx, - int map_idx, - struct runtime_stat *st) + int aggr_idx) { - double scale; - char *n; - int i, j, ret; + int i; for (i = 0; metric_events[i]; i++) { - struct saved_value *v; - struct stats *stats; - u64 metric_total = 0; - int source_count; + char *n; + double val; + int source_count = 0; if (evsel__is_tool(metric_events[i])) { - source_count = 1; + struct stats *stats; + double scale; + switch (metric_events[i]->tool_event) { case PERF_TOOL_DURATION_TIME: stats = &walltime_nsecs_stats; @@ -739,35 +394,32 @@ static int prepare_metric(struct evsel **metric_events, pr_err("Unknown tool event '%s'", evsel__name(metric_events[i])); abort(); } + val = avg_stats(stats) * scale; + source_count = 1; } else { - v = saved_value_lookup(metric_events[i], map_idx, false, - STAT_NONE, 0, st, - metric_events[i]->cgrp); - if (!v) + struct perf_stat_evsel *ps = metric_events[i]->stats; + struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx]; + + if (!aggr) break; - stats = &v->stats; + /* * If an event was scaled during stat gathering, reverse * the scale before computing the metric. */ - scale = 1.0 / metric_events[i]->scale; - + val = aggr->counts.val * (1.0 / metric_events[i]->scale); source_count = evsel__source_count(metric_events[i]); - - if (v->metric_other) - metric_total = v->metric_total * scale; } n = strdup(evsel__metric_id(metric_events[i])); if (!n) return -ENOMEM; - expr__add_id_val_source_count(pctx, n, - metric_total ? : avg_stats(stats) * scale, - source_count); + expr__add_id_val_source_count(pctx, n, val, source_count); } - for (j = 0; metric_refs && metric_refs[j].metric_name; j++) { - ret = expr__add_ref(pctx, &metric_refs[j]); + for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) { + int ret = expr__add_ref(pctx, &metric_refs[j]); + if (ret) return ret; } @@ -777,21 +429,22 @@ static int prepare_metric(struct evsel **metric_events, static void generic_metric(struct perf_stat_config *config, const char *metric_expr, + const char *metric_threshold, struct evsel **metric_events, struct metric_ref *metric_refs, char *name, const char *metric_name, const char *metric_unit, int runtime, - int map_idx, - struct perf_stat_output_ctx *out, - struct runtime_stat *st) + int aggr_idx, + struct perf_stat_output_ctx *out) { print_metric_t print_metric = out->print_metric; struct expr_parse_ctx *pctx; - double ratio, scale; + double ratio, scale, threshold; int i; void *ctxp = out->ctx; + const char *color = NULL; pctx = expr__ctx_new(); if (!pctx) @@ -801,7 +454,7 @@ static void generic_metric(struct perf_stat_config *config, pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list); pctx->sctx.runtime = runtime; pctx->sctx.system_wide = config->system_wide; - i = prepare_metric(metric_events, metric_refs, pctx, map_idx, st); + i = prepare_metric(metric_events, metric_refs, pctx, aggr_idx); if (i < 0) { expr__ctx_free(pctx); return; @@ -811,6 +464,13 @@ static void generic_metric(struct perf_stat_config *config, char *unit; char metric_bf[64]; + if (metric_threshold && + expr__parse(&threshold, pctx, metric_threshold) == 0 && + !isnan(threshold)) { + color = fpclassify(threshold) == FP_ZERO + ? PERF_COLOR_GREEN : PERF_COLOR_RED; + } + if (metric_unit && metric_name) { if (perf_pmu__convert_scale(metric_unit, &unit, &scale) >= 0) { @@ -823,22 +483,22 @@ static void generic_metric(struct perf_stat_config *config, scnprintf(metric_bf, sizeof(metric_bf), "%s %s", unit, metric_name); - print_metric(config, ctxp, NULL, "%8.1f", + print_metric(config, ctxp, color, "%8.1f", metric_bf, ratio); } else { - print_metric(config, ctxp, NULL, "%8.2f", + print_metric(config, ctxp, color, "%8.2f", metric_name ? metric_name : out->force_header ? name : "", ratio); } } else { - print_metric(config, ctxp, NULL, NULL, + print_metric(config, ctxp, color, /*unit=*/NULL, out->force_header ? (metric_name ? metric_name : name) : "", 0); } } else { - print_metric(config, ctxp, NULL, NULL, + print_metric(config, ctxp, color, /*unit=*/NULL, out->force_header ? (metric_name ? metric_name : name) : "", 0); } @@ -846,7 +506,7 @@ static void generic_metric(struct perf_stat_config *config, expr__ctx_free(pctx); } -double test_generic_metric(struct metric_expr *mexp, int map_idx, struct runtime_stat *st) +double test_generic_metric(struct metric_expr *mexp, int aggr_idx) { struct expr_parse_ctx *pctx; double ratio = 0.0; @@ -855,7 +515,7 @@ double test_generic_metric(struct metric_expr *mexp, int map_idx, struct runtime if (!pctx) return NAN; - if (prepare_metric(mexp->metric_events, mexp->metric_refs, pctx, map_idx, st) < 0) + if (prepare_metric(mexp->metric_events, mexp->metric_refs, pctx, aggr_idx) < 0) goto out; if (expr__parse(&ratio, pctx, mexp->metric_expr)) @@ -868,344 +528,55 @@ out: void perf_stat__print_shadow_stats(struct perf_stat_config *config, struct evsel *evsel, - double avg, int map_idx, + double avg, int aggr_idx, struct perf_stat_output_ctx *out, - struct rblist *metric_events, - struct runtime_stat *st) + struct rblist *metric_events) { - void *ctxp = out->ctx; - print_metric_t print_metric = out->print_metric; - double total, ratio = 0.0, total2; - const char *color = NULL; - struct runtime_stat_data rsd = { - .ctx = evsel_context(evsel), - .cgrp = evsel->cgrp, + typedef void (*stat_print_function_t)(struct perf_stat_config *config, + const struct evsel *evsel, + int aggr_idx, double misses, + struct perf_stat_output_ctx *out); + static const stat_print_function_t stat_print_function[STAT_MAX] = { + [STAT_INSTRUCTIONS] = print_instructions, + [STAT_BRANCH_MISS] = print_branch_miss, + [STAT_L1D_MISS] = print_l1d_miss, + [STAT_L1I_MISS] = print_l1i_miss, + [STAT_DTLB_MISS] = print_dtlb_miss, + [STAT_ITLB_MISS] = print_itlb_miss, + [STAT_LL_MISS] = print_ll_miss, + [STAT_CACHE_MISSES] = print_cache_miss, + [STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front, + [STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back, + [STAT_CYCLES] = print_cycles, + [STAT_NSECS] = print_nsecs, }; + print_metric_t print_metric = out->print_metric; + void *ctxp = out->ctx; struct metric_event *me; int num = 1; if (config->iostat_run) { iostat_print_metric(config, evsel, out); - } else if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { - total = runtime_stat_avg(st, STAT_CYCLES, map_idx, &rsd); - - if (total) { - ratio = avg / total; - print_metric(config, ctxp, NULL, "%7.2f ", - "insn per cycle", ratio); - } else { - print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0); - } + } else { + stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)]; - total = runtime_stat_avg(st, STAT_STALLED_CYCLES_FRONT, map_idx, &rsd); + if (fn) + fn(config, evsel, aggr_idx, avg, out); + else { + double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS); - total = max(total, runtime_stat_avg(st, - STAT_STALLED_CYCLES_BACK, - map_idx, &rsd)); + if (nsecs) { + char unit = ' '; + char unit_buf[10] = "/sec"; + double ratio = convert_unit_double(1000000000.0 * avg / nsecs, + &unit); - if (total && avg) { - out->new_line(config, ctxp); - ratio = total / avg; - print_metric(config, ctxp, NULL, "%7.2f ", - "stalled cycles per insn", - ratio); + if (unit != ' ') + snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit); + print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio); + } else + num = 0; } - } else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) { - if (runtime_stat_n(st, STAT_BRANCHES, map_idx, &rsd) != 0) - print_branch_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all branches", 0); - } else if ( - evsel->core.attr.type == PERF_TYPE_HW_CACHE && - evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_L1D | - ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | - ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) { - - if (runtime_stat_n(st, STAT_L1_DCACHE, map_idx, &rsd) != 0) - print_l1_dcache_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all L1-dcache accesses", 0); - } else if ( - evsel->core.attr.type == PERF_TYPE_HW_CACHE && - evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_L1I | - ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | - ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) { - - if (runtime_stat_n(st, STAT_L1_ICACHE, map_idx, &rsd) != 0) - print_l1_icache_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all L1-icache accesses", 0); - } else if ( - evsel->core.attr.type == PERF_TYPE_HW_CACHE && - evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_DTLB | - ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | - ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) { - - if (runtime_stat_n(st, STAT_DTLB_CACHE, map_idx, &rsd) != 0) - print_dtlb_cache_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all dTLB cache accesses", 0); - } else if ( - evsel->core.attr.type == PERF_TYPE_HW_CACHE && - evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_ITLB | - ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | - ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) { - - if (runtime_stat_n(st, STAT_ITLB_CACHE, map_idx, &rsd) != 0) - print_itlb_cache_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all iTLB cache accesses", 0); - } else if ( - evsel->core.attr.type == PERF_TYPE_HW_CACHE && - evsel->core.attr.config == ( PERF_COUNT_HW_CACHE_LL | - ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | - ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) { - - if (runtime_stat_n(st, STAT_LL_CACHE, map_idx, &rsd) != 0) - print_ll_cache_misses(config, map_idx, avg, out, st, &rsd); - else - print_metric(config, ctxp, NULL, NULL, "of all LL-cache accesses", 0); - } else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) { - total = runtime_stat_avg(st, STAT_CACHEREFS, map_idx, &rsd); - - if (total) - ratio = avg * 100 / total; - - if (runtime_stat_n(st, STAT_CACHEREFS, map_idx, &rsd) != 0) - print_metric(config, ctxp, NULL, "%8.3f %%", - "of all cache refs", ratio); - else - print_metric(config, ctxp, NULL, NULL, "of all cache refs", 0); - } else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { - print_stalled_cycles_frontend(config, map_idx, avg, out, st, &rsd); - } else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { - print_stalled_cycles_backend(config, map_idx, avg, out, st, &rsd); - } else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { - total = runtime_stat_avg(st, STAT_NSECS, map_idx, &rsd); - - if (total) { - ratio = avg / total; - print_metric(config, ctxp, NULL, "%8.3f", "GHz", ratio); - } else { - print_metric(config, ctxp, NULL, NULL, "Ghz", 0); - } - } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) { - total = runtime_stat_avg(st, STAT_CYCLES, map_idx, &rsd); - - if (total) - print_metric(config, ctxp, NULL, - "%7.2f%%", "transactional cycles", - 100.0 * (avg / total)); - else - print_metric(config, ctxp, NULL, NULL, "transactional cycles", - 0); - } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX_CP)) { - total = runtime_stat_avg(st, STAT_CYCLES, map_idx, &rsd); - total2 = runtime_stat_avg(st, STAT_CYCLES_IN_TX, map_idx, &rsd); - - if (total2 < avg) - total2 = avg; - if (total) - print_metric(config, ctxp, NULL, "%7.2f%%", "aborted cycles", - 100.0 * ((total2-avg) / total)); - else - print_metric(config, ctxp, NULL, NULL, "aborted cycles", 0); - } else if (perf_stat_evsel__is(evsel, TRANSACTION_START)) { - total = runtime_stat_avg(st, STAT_CYCLES_IN_TX, map_idx, &rsd); - - if (avg) - ratio = total / avg; - - if (runtime_stat_n(st, STAT_CYCLES_IN_TX, map_idx, &rsd) != 0) - print_metric(config, ctxp, NULL, "%8.0f", - "cycles / transaction", ratio); - else - print_metric(config, ctxp, NULL, NULL, "cycles / transaction", - 0); - } else if (perf_stat_evsel__is(evsel, ELISION_START)) { - total = runtime_stat_avg(st, STAT_CYCLES_IN_TX, map_idx, &rsd); - - if (avg) - ratio = total / avg; - - print_metric(config, ctxp, NULL, "%8.0f", "cycles / elision", ratio); - } else if (evsel__is_clock(evsel)) { - if ((ratio = avg_stats(&walltime_nsecs_stats)) != 0) - print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized", - avg / (ratio * evsel->scale)); - else - print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_FETCH_BUBBLES)) { - double fe_bound = td_fe_bound(map_idx, st, &rsd); - - if (fe_bound > 0.2) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "frontend bound", - fe_bound * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_SLOTS_RETIRED)) { - double retiring = td_retiring(map_idx, st, &rsd); - - if (retiring > 0.7) - color = PERF_COLOR_GREEN; - print_metric(config, ctxp, color, "%8.1f%%", "retiring", - retiring * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_RECOVERY_BUBBLES)) { - double bad_spec = td_bad_spec(map_idx, st, &rsd); - - if (bad_spec > 0.1) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "bad speculation", - bad_spec * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_SLOTS_ISSUED)) { - double be_bound = td_be_bound(map_idx, st, &rsd); - const char *name = "backend bound"; - static int have_recovery_bubbles = -1; - - /* In case the CPU does not support topdown-recovery-bubbles */ - if (have_recovery_bubbles < 0) - have_recovery_bubbles = pmu_have_event("cpu", - "topdown-recovery-bubbles"); - if (!have_recovery_bubbles) - name = "backend bound/bad spec"; - - if (be_bound > 0.2) - color = PERF_COLOR_RED; - if (td_total_slots(map_idx, st, &rsd) > 0) - print_metric(config, ctxp, color, "%8.1f%%", name, - be_bound * 100.); - else - print_metric(config, ctxp, NULL, NULL, name, 0); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_RETIRING) && - full_td(map_idx, st, &rsd)) { - double retiring = td_metric_ratio(map_idx, - STAT_TOPDOWN_RETIRING, st, - &rsd); - if (retiring > 0.7) - color = PERF_COLOR_GREEN; - print_metric(config, ctxp, color, "%8.1f%%", "Retiring", - retiring * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_FE_BOUND) && - full_td(map_idx, st, &rsd)) { - double fe_bound = td_metric_ratio(map_idx, - STAT_TOPDOWN_FE_BOUND, st, - &rsd); - if (fe_bound > 0.2) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Frontend Bound", - fe_bound * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_BE_BOUND) && - full_td(map_idx, st, &rsd)) { - double be_bound = td_metric_ratio(map_idx, - STAT_TOPDOWN_BE_BOUND, st, - &rsd); - if (be_bound > 0.2) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Backend Bound", - be_bound * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_BAD_SPEC) && - full_td(map_idx, st, &rsd)) { - double bad_spec = td_metric_ratio(map_idx, - STAT_TOPDOWN_BAD_SPEC, st, - &rsd); - if (bad_spec > 0.1) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Bad Speculation", - bad_spec * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_HEAVY_OPS) && - full_td(map_idx, st, &rsd) && (config->topdown_level > 1)) { - double retiring = td_metric_ratio(map_idx, - STAT_TOPDOWN_RETIRING, st, - &rsd); - double heavy_ops = td_metric_ratio(map_idx, - STAT_TOPDOWN_HEAVY_OPS, st, - &rsd); - double light_ops = retiring - heavy_ops; - - if (retiring > 0.7 && heavy_ops > 0.1) - color = PERF_COLOR_GREEN; - print_metric(config, ctxp, color, "%8.1f%%", "Heavy Operations", - heavy_ops * 100.); - if (retiring > 0.7 && light_ops > 0.6) - color = PERF_COLOR_GREEN; - else - color = NULL; - print_metric(config, ctxp, color, "%8.1f%%", "Light Operations", - light_ops * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_BR_MISPREDICT) && - full_td(map_idx, st, &rsd) && (config->topdown_level > 1)) { - double bad_spec = td_metric_ratio(map_idx, - STAT_TOPDOWN_BAD_SPEC, st, - &rsd); - double br_mis = td_metric_ratio(map_idx, - STAT_TOPDOWN_BR_MISPREDICT, st, - &rsd); - double m_clears = bad_spec - br_mis; - - if (bad_spec > 0.1 && br_mis > 0.05) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Branch Mispredict", - br_mis * 100.); - if (bad_spec > 0.1 && m_clears > 0.05) - color = PERF_COLOR_RED; - else - color = NULL; - print_metric(config, ctxp, color, "%8.1f%%", "Machine Clears", - m_clears * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_FETCH_LAT) && - full_td(map_idx, st, &rsd) && (config->topdown_level > 1)) { - double fe_bound = td_metric_ratio(map_idx, - STAT_TOPDOWN_FE_BOUND, st, - &rsd); - double fetch_lat = td_metric_ratio(map_idx, - STAT_TOPDOWN_FETCH_LAT, st, - &rsd); - double fetch_bw = fe_bound - fetch_lat; - - if (fe_bound > 0.2 && fetch_lat > 0.15) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Fetch Latency", - fetch_lat * 100.); - if (fe_bound > 0.2 && fetch_bw > 0.1) - color = PERF_COLOR_RED; - else - color = NULL; - print_metric(config, ctxp, color, "%8.1f%%", "Fetch Bandwidth", - fetch_bw * 100.); - } else if (perf_stat_evsel__is(evsel, TOPDOWN_MEM_BOUND) && - full_td(map_idx, st, &rsd) && (config->topdown_level > 1)) { - double be_bound = td_metric_ratio(map_idx, - STAT_TOPDOWN_BE_BOUND, st, - &rsd); - double mem_bound = td_metric_ratio(map_idx, - STAT_TOPDOWN_MEM_BOUND, st, - &rsd); - double core_bound = be_bound - mem_bound; - - if (be_bound > 0.2 && mem_bound > 0.2) - color = PERF_COLOR_RED; - print_metric(config, ctxp, color, "%8.1f%%", "Memory Bound", - mem_bound * 100.); - if (be_bound > 0.2 && core_bound > 0.1) - color = PERF_COLOR_RED; - else - color = NULL; - print_metric(config, ctxp, color, "%8.1f%%", "Core Bound", - core_bound * 100.); - } else if (runtime_stat_n(st, STAT_NSECS, map_idx, &rsd) != 0) { - char unit = ' '; - char unit_buf[10] = "/sec"; - - total = runtime_stat_avg(st, STAT_NSECS, map_idx, &rsd); - if (total) - ratio = convert_unit_double(1000000000.0 * avg / total, &unit); - - if (unit != ' ') - snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit); - print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio); - } else if (perf_stat_evsel__is(evsel, SMI_NUM)) { - print_smi_cost(config, map_idx, out, st, &rsd); - } else { - num = 0; } if ((me = metricgroup__lookup(metric_events, evsel, false)) != NULL) { @@ -1214,10 +585,10 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, list_for_each_entry (mexp, &me->head, nd) { if (num++ > 0) out->new_line(config, ctxp); - generic_metric(config, mexp->metric_expr, mexp->metric_events, - mexp->metric_refs, evsel->name, mexp->metric_name, - mexp->metric_unit, mexp->runtime, - map_idx, out, st); + generic_metric(config, mexp->metric_expr, mexp->metric_threshold, + mexp->metric_events, mexp->metric_refs, evsel->name, + mexp->metric_name, mexp->metric_unit, mexp->runtime, + aggr_idx, out); } } if (num == 0) |