Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [RFC PATCH v2 13/13] perf metricgroup: Support adding metrics for system PMUs | Date | Fri, 17 Apr 2020 18:41:24 +0800 |
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Currently only adding metrics for core- or uncore-based events is supported. Extend this for system events.
Signed-off-by: John Garry <john.garry@huawei.com> --- tools/perf/util/metricgroup.c | 40 ++++++++++++++++++++++++++++++++++++---- 1 file changed, 36 insertions(+), 4 deletions(-)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 81a6aa04a601..85bf5333e4c6 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -593,17 +593,34 @@ static int metricgroup__add_metric_pmu_event(struct pmu_event *pe, return 0; } +struct metricgroup_add_iter_data { + const char *metric; + struct strbuf *events; + struct list_head *group_list; + int *ret; +}; + +static int metricgroup__add_metric_sys_event_iter(struct pmu_event *pe, + void *data) +{ + struct metricgroup_add_iter_data *d = data; + + if (!match_pe_metric(pe, d->metric)) + return 0; + + return (*d->ret = metricgroup__add_metric_pmu_event(pe, d->events, + d->group_list)); +} + static int metricgroup__add_metric(const char *metric, struct strbuf *events, struct list_head *group_list) { struct pmu_events_map *map = perf_pmu__find_map(NULL); + struct perf_pmu *pmu = NULL; struct pmu_event *pe; int i, ret = -EINVAL; - if (!map) - return 0; - - for (i = 0; ; i++) { + for (i = 0; map; i++) { pe = &map->table[i]; if (!pe->name && !pe->metric_group && !pe->metric_name) @@ -618,6 +635,21 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, return ret; } } + + while ((pmu = perf_pmu__scan(pmu)) != NULL) { + struct metricgroup_iter_data data = { + .fn = metricgroup__add_metric_sys_event_iter, + .data = (void *) &(struct metricgroup_add_iter_data){ + .metric = metric, + .events = events, + .group_list = group_list, + .ret = &ret, + }, + }; + + pmu_for_each_sys_event(pmu, metricgroup__sys_event_iter, &data); + } + return ret; } -- 2.16.4
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