From: Andrew Kilroy <andrew.kilroy@arm.com>
To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
acme@kernel.org, john.garry@huawei.com, irogers@google.com,
ak@linux.intel.com
Cc: Andrew Kilroy <andrew.kilroy@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>
Subject: [RFC PATCH v2 3/5] perf stat: Topdown json metrics setup function
Date: Tue, 11 Jan 2022 15:07:47 +0000 [thread overview]
Message-ID: <20220111150749.13365-4-andrew.kilroy@arm.com> (raw)
In-Reply-To: <20220111150749.13365-1-andrew.kilroy@arm.com>
Move into its own function, the set up of json metrics to measure L1
topdown statistics
Also move the setup of the metrics_only member of stat_config outside,
since its supposed to be common to both the kernel events and json
metrics implementations
Signed-off-by: Andrew Kilroy <andrew.kilroy@arm.com>
---
tools/perf/builtin-stat.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index ab956ac97d94..6122f3a764f8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1651,15 +1651,12 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st)
static int try_non_json_metrics_topdown(void)
{
- int err;
+ int err = 0;
const char **metric_attrs = topdown_metric_attrs;
unsigned int max_level = 1;
char *str = NULL;
bool warn = false;
- if (!force_metric_only)
- stat_config.metric_only = true;
-
if (pmu_have_event("cpu", topdown_metric_L2_attrs[5])) {
metric_attrs = topdown_metric_L2_attrs;
max_level = 2;
@@ -1727,6 +1724,18 @@ static int try_non_json_metrics_topdown(void)
return err;
}
+static int try_json_metrics_topdown(void)
+{
+ if (metricgroup__parse_groups_to_evlist(evsel_list, "TopDownL1",
+ stat_config.metric_no_group,
+ stat_config.metric_no_merge,
+ &stat_config.metric_events) < 0) {
+ pr_err("Could not form list of metrics for topdown\n");
+ return -1;
+ }
+ return 0;
+}
+
/*
* Add default attributes, if there were no attributes specified or
* if -d/--detailed, -d -d or -d -d -d is used:
@@ -1926,20 +1935,18 @@ static int add_default_attributes(void)
}
if (topdown_run) {
+ if (!force_metric_only)
+ stat_config.metric_only = true;
+
if (topdown_can_use_json_metrics()) {
- if (metricgroup__parse_groups_to_evlist(evsel_list, "TopDownL1",
- stat_config.metric_no_group,
- stat_config.metric_no_merge,
- &stat_config.metric_events) < 0) {
- pr_err("Could not form list of metrics for topdown\n");
- return -1;
- }
+ err = try_json_metrics_topdown();
+ if (err)
+ return err;
} else {
err = try_non_json_metrics_topdown();
if (err)
return err;
}
-
}
if (!evsel_list->core.nr_entries) {
--
2.17.1
next prev parent reply other threads:[~2022-01-11 15:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 12:37 [PATCH v2 0/2] perf vendor events: Arm Neoverse N2 Andrew Kilroy
2021-12-10 12:37 ` [PATCH v2 1/2] perf vendor events: For the " Andrew Kilroy
2021-12-10 13:21 ` John Garry
2021-12-14 18:42 ` [RFC PATCH 0/1] topdown with metrics Andrew Kilroy
2021-12-14 18:42 ` [RFC PATCH 1/1] perf arm64: Implement --topdown " Andrew Kilroy
2021-12-14 20:32 ` Ian Rogers
2021-12-15 10:38 ` James Clark
2021-12-15 10:52 ` John Garry
2021-12-15 12:38 ` Andrew Kilroy
2021-12-15 12:53 ` John Garry
2022-01-06 16:33 ` Andrew Kilroy
2022-01-06 18:24 ` John Garry
2022-01-11 15:07 ` [RFC PATCH v2 0/5] topdown " Andrew Kilroy
2022-01-11 15:07 ` [RFC PATCH v2 1/5] perf stat: Implement --topdown " Andrew Kilroy
2022-01-28 13:44 ` John Garry
2022-01-11 15:07 ` [RFC PATCH v2 2/5] perf stat: Topdown kernel events setup function Andrew Kilroy
2022-01-11 15:07 ` Andrew Kilroy [this message]
2022-01-11 15:07 ` [RFC PATCH v2 4/5] perf stat: Detect if topdown kernel events supported Andrew Kilroy
2022-01-11 15:07 ` [RFC PATCH v2 5/5] perf stat: Ensure only topdown kernel events used on x86 Andrew Kilroy
2022-01-20 9:26 ` [RFC PATCH v2 0/5] topdown with metrics John Garry
2022-01-20 16:22 ` Al Grant
2022-01-27 11:42 ` Andrew Kilroy
2022-02-08 15:58 ` Andrew Kilroy
2021-12-20 17:21 ` [RFC PATCH 1/1] perf arm64: Implement --topdown " Andrew Kilroy
2021-12-21 14:03 ` Andi Kleen
2022-01-27 11:11 ` Andrew Kilroy
2021-12-17 10:19 ` John Garry
2021-12-21 14:31 ` Andrew Kilroy
2022-01-05 16:58 ` Andrew Kilroy
2022-01-28 18:00 ` John Garry
2021-12-10 12:37 ` [PATCH v2 2/2] perf vendor events: Rename arm64 arch std event files Andrew Kilroy
2021-12-10 13:46 ` John Garry
2021-12-10 19:01 ` Arnaldo Carvalho de Melo
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