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Date: Sat, 2 Dec 2017 12:46:10 +0800
From: "Jin, Yao" <yao.jin@...ux.intel.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: jolsa@...nel.org, peterz@...radead.org, mingo@...hat.com,
alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
ak@...ux.intel.com, kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH v5 06/12] perf util: Update and print per-thread shadow
stats
On 12/1/2017 10:21 PM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Dec 01, 2017 at 06:57:30PM +0800, Jin Yao escreveu:
>> The functions perf_stat__update_shadow_stats() and
>> perf_stat__print_shadow_statss() are called to update
>> and print the shadow stats on a set of static variables.
>>
>> But the static variables are the limitations to support
>> per-thread shadow stats.
>>
>> This patch lets the perf_stat__update_shadow_stats() support
>> to update the shadow stats on a input parameter 'stat' and
>> uses update_runtime_stat() to update the stats. It will not
>> directly update the static variables as before.
>>
>> And this patch also lets the perf_stat__print_shadow_stats()
>
> When 'also' appears on a patch usually it means it should be split in
> two, one for the things up to the 'also' and another for the remaining
> parts.
>
> A patch that has these stats:
>
> 5 files changed, 219 insertions(+), 120 deletions(-)
>
> raises eyebrows :-\
>
> I'm trying now to break it into at least two, one for printing and the
> other for the rest.
>
> - Arnaldo
>
Yes, too much in this patch.
Actually I also want to split it into more patches. While I just feel a
little bit difficulty because some dependencies are there.
If you need me to do anything on this patch (e.g.
refine/split/reorg/...), I'd like to, please let me know.
Thanks
Jin Yao
>> support to print the shadow stats from a input parameter 'stat'.
>>
>> It will not directly get value from static variable. Instead, it now
>> uses runtime_stat_avg() and runtime_stat_n() to get and compute the
>> values.
>>
>> Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
>> ---
>> tools/perf/builtin-script.c | 6 +-
>> tools/perf/builtin-stat.c | 27 ++--
>> tools/perf/util/stat-shadow.c | 293 +++++++++++++++++++++++++++---------------
>> tools/perf/util/stat.c | 8 +-
>> tools/perf/util/stat.h | 5 +-
>> 5 files changed, 219 insertions(+), 120 deletions(-)
>>
>> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
>> index 39d8b55..fac6f05 100644
>> --- a/tools/perf/builtin-script.c
>> +++ b/tools/perf/builtin-script.c
>> @@ -1548,7 +1548,8 @@ static void perf_sample__fprint_metric(struct perf_script *script,
>> val = sample->period * evsel->scale;
>> perf_stat__update_shadow_stats(evsel,
>> val,
>> - sample->cpu);
>> + sample->cpu,
>> + &rt_stat);
>> evsel_script(evsel)->val = val;
>> if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
>> for_each_group_member (ev2, evsel->leader) {
>> @@ -1556,7 +1557,8 @@ static void perf_sample__fprint_metric(struct perf_script *script,
>> evsel_script(ev2)->val,
>> sample->cpu,
>> &ctx,
>> - NULL);
>> + NULL,
>> + &rt_stat);
>> }
>> evsel_script(evsel->leader)->gnum = 0;
>> }
>> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
>> index a027b47..1edc082 100644
>> --- a/tools/perf/builtin-stat.c
>> +++ b/tools/perf/builtin-stat.c
>> @@ -1097,7 +1097,8 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
>> }
>>
>> static void printout(int id, int nr, struct perf_evsel *counter, double uval,
>> - char *prefix, u64 run, u64 ena, double noise)
>> + char *prefix, u64 run, u64 ena, double noise,
>> + struct runtime_stat *stat)
>> {
>> struct perf_stat_output_ctx out;
>> struct outstate os = {
>> @@ -1190,7 +1191,8 @@ static void printout(int id, int nr, struct perf_evsel *counter, double uval,
>>
>> perf_stat__print_shadow_stats(counter, uval,
>> first_shadow_cpu(counter, id),
>> - &out, &metric_events);
>> + &out, &metric_events,
>> + stat);
>> if (!csv_output && !metric_only) {
>> print_noise(counter, noise);
>> print_running(run, ena);
>> @@ -1214,7 +1216,8 @@ static void aggr_update_shadow(void)
>> val += perf_counts(counter->counts, cpu, 0)->val;
>> }
>> perf_stat__update_shadow_stats(counter, val,
>> - first_shadow_cpu(counter, id));
>> + first_shadow_cpu(counter, id),
>> + &rt_stat);
>> }
>> }
>> }
>> @@ -1334,7 +1337,8 @@ static void print_aggr(char *prefix)
>> fprintf(output, "%s", prefix);
>>
>> uval = val * counter->scale;
>> - printout(id, nr, counter, uval, prefix, run, ena, 1.0);
>> + printout(id, nr, counter, uval, prefix, run, ena, 1.0,
>> + &rt_stat);
>> if (!metric_only)
>> fputc('\n', output);
>> }
>> @@ -1364,7 +1368,8 @@ static void print_aggr_thread(struct perf_evsel *counter, char *prefix)
>> fprintf(output, "%s", prefix);
>>
>> uval = val * counter->scale;
>> - printout(thread, 0, counter, uval, prefix, run, ena, 1.0);
>> + printout(thread, 0, counter, uval, prefix, run, ena, 1.0,
>> + &rt_stat);
>> fputc('\n', output);
>> }
>> }
>> @@ -1401,7 +1406,8 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
>> fprintf(output, "%s", prefix);
>>
>> uval = cd.avg * counter->scale;
>> - printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, cd.avg);
>> + printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled,
>> + cd.avg, &rt_stat);
>> if (!metric_only)
>> fprintf(output, "\n");
>> }
>> @@ -1440,7 +1446,8 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
>> fprintf(output, "%s", prefix);
>>
>> uval = val * counter->scale;
>> - printout(cpu, 0, counter, uval, prefix, run, ena, 1.0);
>> + printout(cpu, 0, counter, uval, prefix, run, ena, 1.0,
>> + &rt_stat);
>>
>> fputc('\n', output);
>> }
>> @@ -1472,7 +1479,8 @@ static void print_no_aggr_metric(char *prefix)
>> run = perf_counts(counter->counts, cpu, 0)->run;
>>
>> uval = val * counter->scale;
>> - printout(cpu, 0, counter, uval, prefix, run, ena, 1.0);
>> + printout(cpu, 0, counter, uval, prefix, run, ena, 1.0,
>> + &rt_stat);
>> }
>> fputc('\n', stat_config.output);
>> }
>> @@ -1528,7 +1536,8 @@ static void print_metric_headers(const char *prefix, bool no_indent)
>> perf_stat__print_shadow_stats(counter, 0,
>> 0,
>> &out,
>> - &metric_events);
>> + &metric_events,
>> + &rt_stat);
>> }
>> fputc('\n', stat_config.output);
>> }
>> diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
>> index e60c321..0d34d5e 100644
>> --- a/tools/perf/util/stat-shadow.c
>> +++ b/tools/perf/util/stat-shadow.c
>> @@ -116,19 +116,29 @@ static void saved_value_delete(struct rblist *rblist __maybe_unused,
>>
>> static struct saved_value *saved_value_lookup(struct perf_evsel *evsel,
>> int cpu,
>> - bool create)
>> + bool create,
>> + enum stat_type type,
>> + int ctx,
>> + struct runtime_stat *stat)
>> {
>> + struct rblist *rblist;
>> struct rb_node *nd;
>> struct saved_value dm = {
>> .cpu = cpu,
>> .evsel = evsel,
>> + .type = type,
>> + .ctx = ctx,
>> + .stat = stat,
>> };
>> - nd = rblist__find(&runtime_saved_values, &dm);
>> +
>> + rblist = &stat->value_list;
>> +
>> + nd = rblist__find(rblist, &dm);
>> if (nd)
>> return container_of(nd, struct saved_value, rb_node);
>> if (create) {
>> - rblist__add_node(&runtime_saved_values, &dm);
>> - nd = rblist__find(&runtime_saved_values, &dm);
>> + rblist__add_node(rblist, &dm);
>> + nd = rblist__find(rblist, &dm);
>> if (nd)
>> return container_of(nd, struct saved_value, rb_node);
>> }
>> @@ -217,13 +227,24 @@ void perf_stat__reset_shadow_stats(void)
>> }
>> }
>>
>> +static void update_runtime_stat(struct runtime_stat *stat,
>> + enum stat_type type,
>> + int ctx, int cpu, u64 count)
>> +{
>> + struct saved_value *v = saved_value_lookup(NULL, cpu, true,
>> + type, ctx, stat);
>> +
>> + 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 perf_evsel *counter, u64 count,
>> - int cpu)
>> + int cpu, struct runtime_stat *stat)
>> {
>> int ctx = evsel_context(counter);
>>
>> @@ -231,50 +252,58 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
>>
>> if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK) ||
>> perf_evsel__match(counter, SOFTWARE, SW_CPU_CLOCK))
>> - update_stats(&runtime_nsecs_stats[cpu], count);
>> + update_runtime_stat(stat, STAT_NSECS, 0, cpu, count);
>> else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
>> - update_stats(&runtime_cycles_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_CYCLES, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
>> - update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_CYCLES_IN_TX, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TRANSACTION_START))
>> - update_stats(&runtime_transaction_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TRANSACTION, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, ELISION_START))
>> - update_stats(&runtime_elision_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_ELISION, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TOPDOWN_TOTAL_SLOTS))
>> - update_stats(&runtime_topdown_total_slots[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TOPDOWN_TOTAL_SLOTS,
>> + ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_ISSUED))
>> - update_stats(&runtime_topdown_slots_issued[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TOPDOWN_SLOTS_ISSUED,
>> + ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_RETIRED))
>> - update_stats(&runtime_topdown_slots_retired[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TOPDOWN_SLOTS_RETIRED,
>> + ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TOPDOWN_FETCH_BUBBLES))
>> - update_stats(&runtime_topdown_fetch_bubbles[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TOPDOWN_FETCH_BUBBLES,
>> + ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, TOPDOWN_RECOVERY_BUBBLES))
>> - update_stats(&runtime_topdown_recovery_bubbles[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_TOPDOWN_RECOVERY_BUBBLES,
>> + ctx, cpu, count);
>> else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
>> - update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_STALLED_CYCLES_FRONT,
>> + ctx, cpu, count);
>> else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
>> - update_stats(&runtime_stalled_cycles_back_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_STALLED_CYCLES_BACK,
>> + ctx, cpu, count);
>> else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
>> - update_stats(&runtime_branches_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_BRANCHES, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
>> - update_stats(&runtime_cacherefs_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_CACHEREFS, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
>> - update_stats(&runtime_l1_dcache_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_L1_DCACHE, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
>> - update_stats(&runtime_ll_cache_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_L1_ICACHE, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
>> - update_stats(&runtime_ll_cache_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_LL_CACHE, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
>> - update_stats(&runtime_dtlb_cache_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_DTLB_CACHE, ctx, cpu, count);
>> else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
>> - update_stats(&runtime_itlb_cache_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_ITLB_CACHE, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, SMI_NUM))
>> - update_stats(&runtime_smi_num_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_SMI_NUM, ctx, cpu, count);
>> else if (perf_stat_evsel__is(counter, APERF))
>> - update_stats(&runtime_aperf_stats[ctx][cpu], count);
>> + update_runtime_stat(stat, STAT_APERF, ctx, cpu, count);
>>
>> if (counter->collect_stat) {
>> - struct saved_value *v = saved_value_lookup(counter, cpu, true);
>> + struct saved_value *v = saved_value_lookup(counter, cpu, true,
>> + STAT_NONE, 0, stat);
>> update_stats(&v->stats, count);
>> }
>> }
>> @@ -395,15 +424,40 @@ void perf_stat__collect_metric_expr(struct perf_evlist *evsel_list)
>> }
>> }
>>
>> +static double runtime_stat_avg(struct runtime_stat *stat,
>> + enum stat_type type, int ctx, int cpu)
>> +{
>> + struct saved_value *v;
>> +
>> + v = saved_value_lookup(NULL, cpu, false, type, ctx, stat);
>> + if (!v)
>> + return 0.0;
>> +
>> + return avg_stats(&v->stats);
>> +}
>> +
>> +static double runtime_stat_n(struct runtime_stat *stat,
>> + enum stat_type type, int ctx, int cpu)
>> +{
>> + struct saved_value *v;
>> +
>> + v = saved_value_lookup(NULL, cpu, false, type, ctx, stat);
>> + if (!v)
>> + return 0.0;
>> +
>> + return v->stats.n;
>> +}
>> +
>> static void print_stalled_cycles_frontend(int cpu,
>> struct perf_evsel *evsel, double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -419,13 +473,14 @@ static void print_stalled_cycles_frontend(int cpu,
>>
>> static void print_stalled_cycles_backend(int cpu,
>> struct perf_evsel *evsel, double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -438,13 +493,14 @@ static void print_stalled_cycles_backend(int cpu,
>> static void print_branch_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_branches_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_BRANCHES, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -457,13 +513,15 @@ static void print_branch_misses(int cpu,
>> static void print_l1_dcache_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> +
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_l1_dcache_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_L1_DCACHE, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -476,13 +534,15 @@ static void print_l1_dcache_misses(int cpu,
>> static void print_l1_icache_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> +
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_l1_icache_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_L1_ICACHE, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -494,13 +554,14 @@ static void print_l1_icache_misses(int cpu,
>> static void print_dtlb_cache_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_dtlb_cache_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_DTLB_CACHE, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -512,13 +573,14 @@ static void print_dtlb_cache_misses(int cpu,
>> static void print_itlb_cache_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_itlb_cache_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_ITLB_CACHE, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -530,13 +592,14 @@ static void print_itlb_cache_misses(int cpu,
>> static void print_ll_cache_misses(int cpu,
>> struct perf_evsel *evsel,
>> double avg,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double total, ratio = 0.0;
>> const char *color;
>> int ctx = evsel_context(evsel);
>>
>> - total = avg_stats(&runtime_ll_cache_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_LL_CACHE, ctx, cpu);
>>
>> if (total)
>> ratio = avg / total * 100.0;
>> @@ -594,68 +657,72 @@ static double sanitize_val(double x)
>> return x;
>> }
>>
>> -static double td_total_slots(int ctx, int cpu)
>> +static double td_total_slots(int ctx, int cpu, struct runtime_stat *stat)
>> {
>> - return avg_stats(&runtime_topdown_total_slots[ctx][cpu]);
>> + return runtime_stat_avg(stat, STAT_TOPDOWN_TOTAL_SLOTS, ctx, cpu);
>> }
>>
>> -static double td_bad_spec(int ctx, int cpu)
>> +static double td_bad_spec(int ctx, int cpu, struct runtime_stat *stat)
>> {
>> double bad_spec = 0;
>> double total_slots;
>> double total;
>>
>> - total = avg_stats(&runtime_topdown_slots_issued[ctx][cpu]) -
>> - avg_stats(&runtime_topdown_slots_retired[ctx][cpu]) +
>> - avg_stats(&runtime_topdown_recovery_bubbles[ctx][cpu]);
>> - total_slots = td_total_slots(ctx, cpu);
>> + total = runtime_stat_avg(stat, STAT_TOPDOWN_SLOTS_ISSUED, ctx, cpu) -
>> + runtime_stat_avg(stat, STAT_TOPDOWN_SLOTS_RETIRED, ctx, cpu) +
>> + runtime_stat_avg(stat, STAT_TOPDOWN_RECOVERY_BUBBLES, ctx, cpu);
>> +
>> + total_slots = td_total_slots(ctx, cpu, stat);
>> if (total_slots)
>> bad_spec = total / total_slots;
>> return sanitize_val(bad_spec);
>> }
>>
>> -static double td_retiring(int ctx, int cpu)
>> +static double td_retiring(int ctx, int cpu, struct runtime_stat *stat)
>> {
>> double retiring = 0;
>> - double total_slots = td_total_slots(ctx, cpu);
>> - double ret_slots = avg_stats(&runtime_topdown_slots_retired[ctx][cpu]);
>> + double total_slots = td_total_slots(ctx, cpu, stat);
>> + double ret_slots = runtime_stat_avg(stat, STAT_TOPDOWN_SLOTS_RETIRED,
>> + ctx, cpu);
>>
>> if (total_slots)
>> retiring = ret_slots / total_slots;
>> return retiring;
>> }
>>
>> -static double td_fe_bound(int ctx, int cpu)
>> +static double td_fe_bound(int ctx, int cpu, struct runtime_stat *stat)
>> {
>> double fe_bound = 0;
>> - double total_slots = td_total_slots(ctx, cpu);
>> - double fetch_bub = avg_stats(&runtime_topdown_fetch_bubbles[ctx][cpu]);
>> + double total_slots = td_total_slots(ctx, cpu, stat);
>> + double fetch_bub = runtime_stat_avg(stat, STAT_TOPDOWN_FETCH_BUBBLES,
>> + ctx, cpu);
>>
>> if (total_slots)
>> fe_bound = fetch_bub / total_slots;
>> return fe_bound;
>> }
>>
>> -static double td_be_bound(int ctx, int cpu)
>> +static double td_be_bound(int ctx, int cpu, struct runtime_stat *stat)
>> {
>> - double sum = (td_fe_bound(ctx, cpu) +
>> - td_bad_spec(ctx, cpu) +
>> - td_retiring(ctx, cpu));
>> + double sum = (td_fe_bound(ctx, cpu, stat) +
>> + td_bad_spec(ctx, cpu, stat) +
>> + td_retiring(ctx, cpu, stat));
>> if (sum == 0)
>> return 0;
>> return sanitize_val(1.0 - sum);
>> }
>>
>> static void print_smi_cost(int cpu, struct perf_evsel *evsel,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> double smi_num, aperf, cycles, cost = 0.0;
>> int ctx = evsel_context(evsel);
>> const char *color = NULL;
>>
>> - smi_num = avg_stats(&runtime_smi_num_stats[ctx][cpu]);
>> - aperf = avg_stats(&runtime_aperf_stats[ctx][cpu]);
>> - cycles = avg_stats(&runtime_cycles_stats[ctx][cpu]);
>> + smi_num = runtime_stat_avg(stat, STAT_SMI_NUM, ctx, cpu);
>> + aperf = runtime_stat_avg(stat, STAT_APERF, ctx, cpu);
>> + cycles = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>>
>> if ((cycles == 0) || (aperf == 0))
>> return;
>> @@ -675,7 +742,8 @@ static void generic_metric(const char *metric_expr,
>> const char *metric_name,
>> double avg,
>> int cpu,
>> - struct perf_stat_output_ctx *out)
>> + struct perf_stat_output_ctx *out,
>> + struct runtime_stat *stat)
>> {
>> print_metric_t print_metric = out->print_metric;
>> struct parse_ctx pctx;
>> @@ -694,7 +762,8 @@ static void generic_metric(const char *metric_expr,
>> stats = &walltime_nsecs_stats;
>> scale = 1e-9;
>> } else {
>> - v = saved_value_lookup(metric_events[i], cpu, false);
>> + v = saved_value_lookup(metric_events[i], cpu, false,
>> + STAT_NONE, 0, stat);
>> if (!v)
>> break;
>> stats = &v->stats;
>> @@ -722,7 +791,8 @@ static void generic_metric(const char *metric_expr,
>> void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> double avg, int cpu,
>> struct perf_stat_output_ctx *out,
>> - struct rblist *metric_events)
>> + struct rblist *metric_events,
>> + struct runtime_stat *stat)
>> {
>> void *ctxp = out->ctx;
>> print_metric_t print_metric = out->print_metric;
>> @@ -733,7 +803,8 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> int num = 1;
>>
>> if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
>> - total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>> +
>> if (total) {
>> ratio = avg / total;
>> print_metric(ctxp, NULL, "%7.2f ",
>> @@ -741,8 +812,13 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> } else {
>> print_metric(ctxp, NULL, NULL, "insn per cycle", 0);
>> }
>> - total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]);
>> - total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu]));
>> +
>> + total = runtime_stat_avg(stat, STAT_STALLED_CYCLES_FRONT,
>> + ctx, cpu);
>> +
>> + total = max(total, runtime_stat_avg(stat,
>> + STAT_STALLED_CYCLES_BACK,
>> + ctx, cpu));
>>
>> if (total && avg) {
>> out->new_line(ctxp);
>> @@ -755,8 +831,8 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> "stalled cycles per insn", 0);
>> }
>> } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
>> - if (runtime_branches_stats[ctx][cpu].n != 0)
>> - print_branch_misses(cpu, evsel, avg, out);
>> + if (runtime_stat_n(stat, STAT_BRANCHES, ctx, cpu) != 0)
>> + print_branch_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all branches", 0);
>> } else if (
>> @@ -764,8 +840,9 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
>> ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
>> ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
>> - if (runtime_l1_dcache_stats[ctx][cpu].n != 0)
>> - print_l1_dcache_misses(cpu, evsel, avg, out);
>> +
>> + if (runtime_stat_n(stat, STAT_L1_DCACHE, ctx, cpu) != 0)
>> + print_l1_dcache_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all L1-dcache hits", 0);
>> } else if (
>> @@ -773,8 +850,9 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
>> ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
>> ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
>> - if (runtime_l1_icache_stats[ctx][cpu].n != 0)
>> - print_l1_icache_misses(cpu, evsel, avg, out);
>> +
>> + if (runtime_stat_n(stat, STAT_L1_ICACHE, ctx, cpu) != 0)
>> + print_l1_icache_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all L1-icache hits", 0);
>> } else if (
>> @@ -782,8 +860,9 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
>> ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
>> ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
>> - if (runtime_dtlb_cache_stats[ctx][cpu].n != 0)
>> - print_dtlb_cache_misses(cpu, evsel, avg, out);
>> +
>> + if (runtime_stat_n(stat, STAT_DTLB_CACHE, ctx, cpu) != 0)
>> + print_dtlb_cache_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all dTLB cache hits", 0);
>> } else if (
>> @@ -791,8 +870,9 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
>> ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
>> ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
>> - if (runtime_itlb_cache_stats[ctx][cpu].n != 0)
>> - print_itlb_cache_misses(cpu, evsel, avg, out);
>> +
>> + if (runtime_stat_n(stat, STAT_ITLB_CACHE, ctx, cpu) != 0)
>> + print_itlb_cache_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all iTLB cache hits", 0);
>> } else if (
>> @@ -800,27 +880,28 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
>> ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
>> ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16))) {
>> - if (runtime_ll_cache_stats[ctx][cpu].n != 0)
>> - print_ll_cache_misses(cpu, evsel, avg, out);
>> +
>> + if (runtime_stat_n(stat, STAT_LL_CACHE, ctx, cpu) != 0)
>> + print_ll_cache_misses(cpu, evsel, avg, out, stat);
>> else
>> print_metric(ctxp, NULL, NULL, "of all LL-cache hits", 0);
>> } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) {
>> - total = avg_stats(&runtime_cacherefs_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CACHEREFS, ctx, cpu);
>>
>> if (total)
>> ratio = avg * 100 / total;
>>
>> - if (runtime_cacherefs_stats[ctx][cpu].n != 0)
>> + if (runtime_stat_n(stat, STAT_CACHEREFS, ctx, cpu) != 0)
>> print_metric(ctxp, NULL, "%8.3f %%",
>> "of all cache refs", ratio);
>> else
>> print_metric(ctxp, NULL, NULL, "of all cache refs", 0);
>> } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
>> - print_stalled_cycles_frontend(cpu, evsel, avg, out);
>> + print_stalled_cycles_frontend(cpu, evsel, avg, out, stat);
>> } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
>> - print_stalled_cycles_backend(cpu, evsel, avg, out);
>> + print_stalled_cycles_backend(cpu, evsel, avg, out, stat);
>> } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
>> - total = avg_stats(&runtime_nsecs_stats[cpu]);
>> + total = runtime_stat_avg(stat, STAT_NSECS, 0, cpu);
>>
>> if (total) {
>> ratio = avg / total;
>> @@ -829,7 +910,8 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> print_metric(ctxp, NULL, NULL, "Ghz", 0);
>> }
>> } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) {
>> - total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>> +
>> if (total)
>> print_metric(ctxp, NULL,
>> "%7.2f%%", "transactional cycles",
>> @@ -838,8 +920,9 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> print_metric(ctxp, NULL, NULL, "transactional cycles",
>> 0);
>> } 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]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES, ctx, cpu);
>> + total2 = runtime_stat_avg(stat, STAT_CYCLES_IN_TX, ctx, cpu);
>> +
>> if (total2 < avg)
>> total2 = avg;
>> if (total)
>> @@ -848,19 +931,21 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> else
>> print_metric(ctxp, NULL, NULL, "aborted cycles", 0);
>> } else if (perf_stat_evsel__is(evsel, TRANSACTION_START)) {
>> - total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES_IN_TX,
>> + ctx, cpu);
>>
>> if (avg)
>> ratio = total / avg;
>>
>> - if (runtime_cycles_in_tx_stats[ctx][cpu].n != 0)
>> + if (runtime_stat_n(stat, STAT_CYCLES_IN_TX, ctx, cpu) != 0)
>> print_metric(ctxp, NULL, "%8.0f",
>> "cycles / transaction", ratio);
>> else
>> print_metric(ctxp, NULL, NULL, "cycles / transaction",
>> - 0);
>> + 0);
>> } else if (perf_stat_evsel__is(evsel, ELISION_START)) {
>> - total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
>> + total = runtime_stat_avg(stat, STAT_CYCLES_IN_TX,
>> + ctx, cpu);
>>
>> if (avg)
>> ratio = total / avg;
>> @@ -874,28 +959,28 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> else
>> print_metric(ctxp, NULL, NULL, "CPUs utilized", 0);
>> } else if (perf_stat_evsel__is(evsel, TOPDOWN_FETCH_BUBBLES)) {
>> - double fe_bound = td_fe_bound(ctx, cpu);
>> + double fe_bound = td_fe_bound(ctx, cpu, stat);
>>
>> if (fe_bound > 0.2)
>> color = PERF_COLOR_RED;
>> print_metric(ctxp, color, "%8.1f%%", "frontend bound",
>> fe_bound * 100.);
>> } else if (perf_stat_evsel__is(evsel, TOPDOWN_SLOTS_RETIRED)) {
>> - double retiring = td_retiring(ctx, cpu);
>> + double retiring = td_retiring(ctx, cpu, stat);
>>
>> if (retiring > 0.7)
>> color = PERF_COLOR_GREEN;
>> print_metric(ctxp, color, "%8.1f%%", "retiring",
>> retiring * 100.);
>> } else if (perf_stat_evsel__is(evsel, TOPDOWN_RECOVERY_BUBBLES)) {
>> - double bad_spec = td_bad_spec(ctx, cpu);
>> + double bad_spec = td_bad_spec(ctx, cpu, stat);
>>
>> if (bad_spec > 0.1)
>> color = PERF_COLOR_RED;
>> print_metric(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(ctx, cpu);
>> + double be_bound = td_be_bound(ctx, cpu, stat);
>> const char *name = "backend bound";
>> static int have_recovery_bubbles = -1;
>>
>> @@ -908,19 +993,19 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>>
>> if (be_bound > 0.2)
>> color = PERF_COLOR_RED;
>> - if (td_total_slots(ctx, cpu) > 0)
>> + if (td_total_slots(ctx, cpu, stat) > 0)
>> print_metric(ctxp, color, "%8.1f%%", name,
>> be_bound * 100.);
>> else
>> print_metric(ctxp, NULL, NULL, name, 0);
>> } else if (evsel->metric_expr) {
>> generic_metric(evsel->metric_expr, evsel->metric_events, evsel->name,
>> - evsel->metric_name, avg, cpu, out);
>> - } else if (runtime_nsecs_stats[cpu].n != 0) {
>> + evsel->metric_name, avg, cpu, out, stat);
>> + } else if (runtime_stat_n(stat, STAT_NSECS, 0, cpu) != 0) {
>> char unit = 'M';
>> char unit_buf[10];
>>
>> - total = avg_stats(&runtime_nsecs_stats[cpu]);
>> + total = runtime_stat_avg(stat, STAT_NSECS, 0, cpu);
>>
>> if (total)
>> ratio = 1000.0 * avg / total;
>> @@ -931,7 +1016,7 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
>> print_metric(ctxp, NULL, "%8.3f", unit_buf, ratio);
>> } else if (perf_stat_evsel__is(evsel, SMI_NUM)) {
>> - print_smi_cost(cpu, evsel, out);
>> + print_smi_cost(cpu, evsel, out, stat);
>> } else {
>> num = 0;
>> }
>> @@ -944,7 +1029,7 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> out->new_line(ctxp);
>> generic_metric(mexp->metric_expr, mexp->metric_events,
>> evsel->name, mexp->metric_name,
>> - avg, cpu, out);
>> + avg, cpu, out, stat);
>> }
>> }
>> if (num == 0)
>> diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
>> index 151e9ef..78abfd4 100644
>> --- a/tools/perf/util/stat.c
>> +++ b/tools/perf/util/stat.c
>> @@ -278,9 +278,11 @@ process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel
>> perf_evsel__compute_deltas(evsel, cpu, thread, count);
>> perf_counts_values__scale(count, config->scale, NULL);
>> if (config->aggr_mode == AGGR_NONE)
>> - perf_stat__update_shadow_stats(evsel, count->val, cpu);
>> + perf_stat__update_shadow_stats(evsel, count->val, cpu,
>> + &rt_stat);
>> if (config->aggr_mode == AGGR_THREAD)
>> - perf_stat__update_shadow_stats(evsel, count->val, 0);
>> + perf_stat__update_shadow_stats(evsel, count->val, 0,
>> + &rt_stat);
>> break;
>> case AGGR_GLOBAL:
>> aggr->val += count->val;
>> @@ -362,7 +364,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
>> /*
>> * Save the full runtime - to allow normalization during printout:
>> */
>> - perf_stat__update_shadow_stats(counter, *count, 0);
>> + perf_stat__update_shadow_stats(counter, *count, 0, &rt_stat);
>>
>> return 0;
>> }
>> diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
>> index 1e2b761..b8448b1 100644
>> --- a/tools/perf/util/stat.h
>> +++ b/tools/perf/util/stat.h
>> @@ -130,7 +130,7 @@ void runtime_stat__exit(struct runtime_stat *stat);
>> void perf_stat__init_shadow_stats(void);
>> void perf_stat__reset_shadow_stats(void);
>> void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
>> - int cpu);
>> + int cpu, struct runtime_stat *stat);
>> struct perf_stat_output_ctx {
>> void *ctx;
>> print_metric_t print_metric;
>> @@ -141,7 +141,8 @@ struct perf_stat_output_ctx {
>> void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
>> double avg, int cpu,
>> struct perf_stat_output_ctx *out,
>> - struct rblist *metric_events);
>> + struct rblist *metric_events,
>> + struct runtime_stat *stat);
>> void perf_stat__collect_metric_expr(struct perf_evlist *);
>>
>> int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
>> --
>> 2.7.4
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