The following commit has been merged into the perf/core branch of tip: Commit-ID: 03fe02b113888576dc90c3e918d8e1a76b1ceb63 Gitweb: https://git.kernel.org/tip/03fe02b113888576dc90c3e918d8e1a76b1ceb63 Author: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> AuthorDate: Mon, 24 Feb 2020 13:59:20 -08:00 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitterDate: Tue, 10 Mar 2020 14:43:05 -03:00 perf jevents: Support metric constraint A new field "MetricConstraint" is introduced in JSON event list. Extend jevents to parse the field and save the value in metric_constraint. Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx> Link: http://lore.kernel.org/lkml/1582581564-184429-2-git-send-email-kan.liang@xxxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/pmu-events/jevents.c | 19 +++++++++++++------ tools/perf/pmu-events/jevents.h | 2 +- tools/perf/pmu-events/pmu-events.h | 1 + 3 files changed, 15 insertions(+), 7 deletions(-) diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 079c77b..6d0f61f 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -323,7 +323,7 @@ static int print_events_table_entry(void *data, char *name, char *event, char *pmu, char *unit, char *perpkg, char *metric_expr, char *metric_name, char *metric_group, - char *deprecated) + char *deprecated, char *metric_constraint) { struct perf_entry_data *pd = data; FILE *outfp = pd->outfp; @@ -357,6 +357,8 @@ static int print_events_table_entry(void *data, char *name, char *event, fprintf(outfp, "\t.metric_group = \"%s\",\n", metric_group); if (deprecated) fprintf(outfp, "\t.deprecated = \"%s\",\n", deprecated); + if (metric_constraint) + fprintf(outfp, "\t.metric_constraint = \"%s\",\n", metric_constraint); fprintf(outfp, "},\n"); return 0; @@ -375,6 +377,7 @@ struct event_struct { char *metric_name; char *metric_group; char *deprecated; + char *metric_constraint; }; #define ADD_EVENT_FIELD(field) do { if (field) { \ @@ -422,7 +425,7 @@ static int save_arch_std_events(void *data, char *name, char *event, char *desc, char *long_desc, char *pmu, char *unit, char *perpkg, char *metric_expr, char *metric_name, char *metric_group, - char *deprecated) + char *deprecated, char *metric_constraint) { struct event_struct *es; @@ -486,7 +489,7 @@ try_fixup(const char *fn, char *arch_std, char **event, char **desc, char **name, char **long_desc, char **pmu, char **filter, char **perpkg, char **unit, char **metric_expr, char **metric_name, char **metric_group, unsigned long long eventcode, - char **deprecated) + char **deprecated, char **metric_constraint) { /* try to find matching event from arch standard values */ struct event_struct *es; @@ -515,7 +518,7 @@ int json_events(const char *fn, char *pmu, char *unit, char *perpkg, char *metric_expr, char *metric_name, char *metric_group, - char *deprecated), + char *deprecated, char *metric_constraint), void *data) { int err; @@ -545,6 +548,7 @@ int json_events(const char *fn, char *metric_name = NULL; char *metric_group = NULL; char *deprecated = NULL; + char *metric_constraint = NULL; char *arch_std = NULL; unsigned long long eventcode = 0; struct msrmap *msr = NULL; @@ -629,6 +633,8 @@ int json_events(const char *fn, addfield(map, &metric_name, "", "", val); } else if (json_streq(map, field, "MetricGroup")) { addfield(map, &metric_group, "", "", val); + } else if (json_streq(map, field, "MetricConstraint")) { + addfield(map, &metric_constraint, "", "", val); } else if (json_streq(map, field, "MetricExpr")) { addfield(map, &metric_expr, "", "", val); for (s = metric_expr; *s; s++) @@ -670,13 +676,13 @@ int json_events(const char *fn, &long_desc, &pmu, &filter, &perpkg, &unit, &metric_expr, &metric_name, &metric_group, eventcode, - &deprecated); + &deprecated, &metric_constraint); if (err) goto free_strings; } err = func(data, name, real_event(name, event), desc, long_desc, pmu, unit, perpkg, metric_expr, metric_name, - metric_group, deprecated); + metric_group, deprecated, metric_constraint); free_strings: free(event); free(desc); @@ -691,6 +697,7 @@ free_strings: free(metric_expr); free(metric_name); free(metric_group); + free(metric_constraint); free(arch_std); if (err) diff --git a/tools/perf/pmu-events/jevents.h b/tools/perf/pmu-events/jevents.h index 5cda49a..2afc830 100644 --- a/tools/perf/pmu-events/jevents.h +++ b/tools/perf/pmu-events/jevents.h @@ -8,7 +8,7 @@ int json_events(const char *fn, char *pmu, char *unit, char *perpkg, char *metric_expr, char *metric_name, char *metric_group, - char *deprecated), + char *deprecated, char *metric_constraint), void *data); char *get_cpu_str(void); diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h index caeb577..53e76d5 100644 --- a/tools/perf/pmu-events/pmu-events.h +++ b/tools/perf/pmu-events/pmu-events.h @@ -18,6 +18,7 @@ struct pmu_event { const char *metric_name; const char *metric_group; const char *deprecated; + const char *metric_constraint; }; /*
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