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Message-ID: <1587120084-18990-13-git-send-email-john.garry@huawei.com>
Date: Fri, 17 Apr 2020 18:41:23 +0800
From: John Garry <john.garry@...wei.com>
To: <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
<mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
<jolsa@...hat.com>, <namhyung@...nel.org>, <will@...nel.org>
CC: <ak@...ux.intel.com>, <linuxarm@...wei.com>,
<linux-kernel@...r.kernel.org>, <qiangqing.zhang@....com>,
<irogers@...gle.com>, <robin.murphy@....com>,
<zhangshaokun@...ilicon.com>,
<linux-arm-kernel@...ts.infradead.org>,
John Garry <john.garry@...wei.com>
Subject: [RFC PATCH v2 12/13] perf metricgroup: Support printing metric groups for system PMUs
Currently only metricgroups for core- or uncore-based events is supported.
Extend this for system events.
Signed-off-by: John Garry <john.garry@...wei.com>
---
tools/perf/util/metricgroup.c | 61 ++++++++++++++++++++++++++++++++++++++++---
1 file changed, 57 insertions(+), 4 deletions(-)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 31e97e24c2b0..81a6aa04a601 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -377,19 +377,55 @@ static void metricgroup__print_pmu_event(struct pmu_event *pe,
}
}
+struct metricgroup_print_sys_idata {
+ struct strlist *metriclist;
+ bool metricgroups;
+ char *filter;
+ bool raw;
+ bool details;
+ struct rblist *groups;
+};
+
+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 perf_pmu *pmu,
+ struct pmu_event *pe,
+ void *data)
+{
+ struct metricgroup_iter_data *d = data;
+
+ if (!pe->metric_expr || !pe->compat || strcmp(pe->compat, pmu->id))
+ return 0;
+
+ return d->fn(pe, d->data);
+}
+
+static int metricgroup__print_sys_event_iter(struct pmu_event *pe, void *data)
+{
+ struct metricgroup_print_sys_idata *d = data;
+
+ metricgroup__print_pmu_event(pe, d->metricgroups, d->filter, d->raw,
+ d->details, d->groups, d->metriclist);
+
+ return 0;
+}
+
void metricgroup__print(bool metrics, bool metricgroups, char *filter,
bool raw, bool details)
{
struct pmu_events_map *map = perf_pmu__find_map(NULL);
struct pmu_event *pe;
+ struct perf_pmu *pmu = NULL;
int i;
struct rblist groups;
struct rb_node *node, *next;
struct strlist *metriclist = NULL;
- if (!map)
- return;
-
if (!metricgroups) {
metriclist = strlist__new(NULL, NULL);
if (!metriclist)
@@ -400,7 +436,7 @@ 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)
@@ -412,6 +448,23 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
details, &groups, metriclist);
}
+ while ((pmu = perf_pmu__scan(pmu)) != NULL) {
+ 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(pmu, metricgroup__sys_event_iter,
+ &data);
+ }
+
if (metricgroups && !raw)
printf("\nMetric Groups:\n\n");
else if (metrics && !raw)
--
2.16.4
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