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authorJohn Garry <john.garry@huawei.com>2020-12-04 19:10:14 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-12-17 14:36:17 -0300
commita36fadb17c27b4b5360db69acc80f5f4ad8dde7e (patch)
tree8d582a256fec0e8bfe4771002cce58c27450459f /tools
parentf6fe1e48ae185d028dfcabecb7d79036e2d89d27 (diff)
perf metricgroup: Support printing metric groups for system PMUs
Currently printing metricgroups for core- or uncore-based events matched by CPUID is supported. Extend this for system events. Signed-off-by: John Garry <john.garry@huawei.com> Acked-by: Kajol Jain <kjain@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joakim Zhang <qiangqing.zhang@nxp.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kim Phillips <kim.phillips@amd.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linuxarm@huawei.com Link: http://lore.kernel.org/lkml/1607080216-36968-9-git-send-email-john.garry@huawei.com [ Reorder 'struct metricgroup_print_sys_idata' field to avoid alignment holes ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/metricgroup.c64
1 files changed, 60 insertions, 4 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 4c6a686b08eb..6344e9627ff3 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -559,6 +559,49 @@ static int metricgroup__print_pmu_event(struct pmu_event *pe,
return 0;
}
+struct metricgroup_print_sys_idata {
+ struct strlist *metriclist;
+ char *filter;
+ struct rblist *groups;
+ bool metricgroups;
+ bool raw;
+ bool details;
+};
+
+typedef int (*metricgroup_sys_event_iter_fn)(struct pmu_event *pe, void *);
+
+struct metricgroup_iter_data {
+ metricgroup_sys_event_iter_fn fn;
+ void *data;
+};
+
+static int metricgroup__sys_event_iter(struct pmu_event *pe, void *data)
+{
+ struct metricgroup_iter_data *d = data;
+ struct perf_pmu *pmu = NULL;
+
+ if (!pe->metric_expr || !pe->compat)
+ return 0;
+
+ while ((pmu = perf_pmu__scan(pmu))) {
+
+ if (!pmu->id || strcmp(pmu->id, pe->compat))
+ continue;
+
+ return d->fn(pe, d->data);
+ }
+
+ return 0;
+}
+
+static int metricgroup__print_sys_event_iter(struct pmu_event *pe, void *data)
+{
+ struct metricgroup_print_sys_idata *d = data;
+
+ return metricgroup__print_pmu_event(pe, d->metricgroups, d->filter, d->raw,
+ d->details, d->groups, d->metriclist);
+}
+
void metricgroup__print(bool metrics, bool metricgroups, char *filter,
bool raw, bool details)
{
@@ -569,9 +612,6 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
struct rb_node *node, *next;
struct strlist *metriclist = NULL;
- if (!map)
- return;
-
if (!metricgroups) {
metriclist = strlist__new(NULL, NULL);
if (!metriclist)
@@ -582,7 +622,7 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
groups.node_new = mep_new;
groups.node_cmp = mep_cmp;
groups.node_delete = mep_delete;
- for (i = 0; ; i++) {
+ for (i = 0; map; i++) {
pe = &map->table[i];
if (!pe->name && !pe->metric_group && !pe->metric_name)
@@ -595,6 +635,22 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
return;
}
+ {
+ struct metricgroup_iter_data data = {
+ .fn = metricgroup__print_sys_event_iter,
+ .data = (void *) &(struct metricgroup_print_sys_idata){
+ .metriclist = metriclist,
+ .metricgroups = metricgroups,
+ .filter = filter,
+ .raw = raw,
+ .details = details,
+ .groups = &groups,
+ },
+ };
+
+ pmu_for_each_sys_event(metricgroup__sys_event_iter, &data);
+ }
+
if (!filter || !rblist__empty(&groups)) {
if (metricgroups && !raw)
printf("\nMetric Groups:\n\n");