From 560ccbc4a52c567096023e0c6a9b920048e59017 Mon Sep 17 00:00:00 2001 From: Kajol Jain Date: Mon, 7 Sep 2020 12:11:31 +0530 Subject: [PATCH] perf jevents: Add support for parsing perchip/percore events Initially, every time we want to add new terms like chip, core thread etc, we need to create corrsponding fields in pmu_events and event struct. This patch adds an enum called 'aggr_mode_class' which store all these aggregation like perchip/percore. It also adds new field 'aggr_mode' to capture these terms. Now, if user wants to add any new term, they just need to add it in the enum defined. Signed-off-by: Kajol Jain Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Ian Rogers Cc: Jin Yao Cc: John Garry Cc: Madhavan Srinivasan Cc: Mark Rutland Cc: Namhyung Kim Cc: Paul Clarke Cc: Peter Zijlstra Cc: Ravi Bangoria Link: http://lore.kernel.org/lkml/20200907064133.75090-4-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/pmu-events/jevents.c | 20 ++++++++++++++++++++ tools/perf/pmu-events/pmu-events.h | 6 ++++++ 2 files changed, 26 insertions(+) diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 94c54f5616ab..99df41a9543d 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -48,6 +48,7 @@ #include #include "jsmn.h" #include "json.h" +#include "pmu-events.h" int verbose; char *prog; @@ -60,6 +61,7 @@ struct json_event { char *pmu; char *unit; char *perpkg; + char *aggr_mode; char *metric_expr; char *metric_name; char *metric_group; @@ -67,6 +69,17 @@ struct json_event { char *metric_constraint; }; +enum aggr_mode_class convert(const char *aggr_mode) +{ + if (!strcmp(aggr_mode, "PerCore")) + return PerCore; + else if (!strcmp(aggr_mode, "PerChip")) + return PerChip; + + pr_err("%s: Wrong AggregationMode value '%s'\n", prog, aggr_mode); + return -1; +} + typedef int (*func)(void *data, struct json_event *je); int eprintf(int level, int var, const char *fmt, ...) @@ -356,6 +369,8 @@ static int print_events_table_entry(void *data, struct json_event *je) fprintf(outfp, "\t.unit = \"%s\",\n", je->unit); if (je->perpkg) fprintf(outfp, "\t.perpkg = \"%s\",\n", je->perpkg); + if (je->aggr_mode) + fprintf(outfp, "\t.aggr_mode = \"%d\",\n", convert(je->aggr_mode)); if (je->metric_expr) fprintf(outfp, "\t.metric_expr = \"%s\",\n", je->metric_expr); if (je->metric_name) @@ -380,6 +395,7 @@ struct event_struct { char *pmu; char *unit; char *perpkg; + char *aggr_mode; char *metric_expr; char *metric_name; char *metric_group; @@ -409,6 +425,7 @@ struct event_struct { op(pmu); \ op(unit); \ op(perpkg); \ + op(aggr_mode); \ op(metric_expr); \ op(metric_name); \ op(metric_group); \ @@ -614,6 +631,8 @@ static int json_events(const char *fn, addfield(map, &je.unit, "", "", val); } else if (json_streq(map, field, "PerPkg")) { addfield(map, &je.perpkg, "", "", val); + } else if (json_streq(map, field, "AggregationMode")) { + addfield(map, &je.aggr_mode, "", "", val); } else if (json_streq(map, field, "Deprecated")) { addfield(map, &je.deprecated, "", "", val); } else if (json_streq(map, field, "MetricName")) { @@ -674,6 +693,7 @@ free_strings: free(je.pmu); free(filter); free(je.perpkg); + free(je.aggr_mode); free(je.deprecated); free(je.unit); free(je.metric_expr); diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h index c8f306b572f4..7da1a3743b77 100644 --- a/tools/perf/pmu-events/pmu-events.h +++ b/tools/perf/pmu-events/pmu-events.h @@ -2,6 +2,11 @@ #ifndef PMU_EVENTS_H #define PMU_EVENTS_H +enum aggr_mode_class { + PerChip = 1, + PerCore +}; + /* * Describe each PMU event. Each CPU has a table of PMU events. */ @@ -14,6 +19,7 @@ struct pmu_event { const char *pmu; const char *unit; const char *perpkg; + const char *aggr_mode; const char *metric_expr; const char *metric_name; const char *metric_group;