From: John Garry <john.garry@huawei.com>
To: Ian Rogers <irogers@google.com>, Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Namhyung Kim <namhyung@kernel.org>,
Kan Liang <kan.liang@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>,
Haiyan Song <haiyanx.song@intel.com>,
Jin Yao <yao.jin@linux.intel.com>,
Song Liu <songliubraving@fb.com>,
Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
Leo Yan <leo.yan@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Paul Clarke <pc@us.ibm.com>, LKML <linux-kernel@vger.kernel.org>,
linux-perf-users <linux-perf-users@vger.kernel.org>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v2 11/11] perf test: add expr test for pmu metrics
Date: Thu, 23 Apr 2020 16:11:06 +0100 [thread overview]
Message-ID: <0edf66da-bedf-c5e9-aa2b-e9073a2d0203@huawei.com> (raw)
In-Reply-To: <CAP-5=fVwfu0s8Sqhs7+aTqN1Gh2SaEu=feOEQssSu9MB+7hk8Q@mail.gmail.com>
On 23/04/2020 15:22, Ian Rogers wrote:
> On Thu, Apr 23, 2020 at 4:29 AM Jiri Olsa <jolsa@redhat.com> wrote:
>>
>> On Wed, Apr 22, 2020 at 03:04:30PM -0700, Ian Rogers wrote:
>>
>> SNIP
>>
>>> +
>>> +static int pmu_tests(void)
>>> +{
>>> + struct pmu_events_map *map;
>>> + struct pmu_event *pe;
>>> + int i, j, k;
>>> + const char **ids;
>>> + int idnum;
>>> + int ret = 0;
>>> + struct expr_parse_ctx ctx;
>>> + double result;
>>> +
>>> + i = 0;
>>> + for (;;) {
>>> + map = &pmu_events_map[i++];
>>> + if (!map->table) {
>>> + map = NULL;
>>> + break;
>>> + }
>>> + j = 0;
>>> + for (;;) {
>>> + pe = &map->table[j++];
>>> + if (!pe->name && !pe->metric_group && !pe->metric_name)
>>> + break;
>>> + if (!pe->metric_expr)
>>> + continue;
>>
>> so we go throught all the metrics for the current cpu
>> and test the parsing on them.. great!
>
> It's not just the current CPU (such as skylake) it is every map
> (skylake, cascade lake, etc), but this only works for the architecture
> that jevents built.
> If jevents built all architectures then this could check them as well.
> Perhaps there should be a jevents test suite, but I think even then
> this test has value.
note: there is test__pmu_events(), which verifies that some test events
generated in pmu-events.c are as expected, and also verifies that we
create PMU events aliases as expected (for those test events). Nothing
is done for metrics, ATM.
Thanks,
John
next prev parent reply other threads:[~2020-04-23 15:11 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 22:04 [PATCH v2 00/11] perf metric fixes and test Ian Rogers
2020-04-22 22:04 ` [PATCH v2 01/11] perf expr: unlimited escaped characters in a symbol Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-27 9:31 ` kajoljain
2020-04-22 22:04 ` [PATCH v2 02/11] perf metrics: fix parse errors in cascade lake metrics Ian Rogers
2020-04-22 22:04 ` [PATCH v2 03/11] perf metrics: fix parse errors in skylake metrics Ian Rogers
2020-04-22 22:04 ` [PATCH v2 04/11] perf expr: allow ',' to be an other token Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-22 22:04 ` [PATCH v2 05/11] perf expr: increase max other Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-23 14:23 ` Ian Rogers
2020-05-06 22:52 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 06/11] perf expr: parse numbers as doubles Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-27 11:11 ` kajoljain
2020-04-27 18:03 ` Ian Rogers
2020-04-28 6:35 ` kajoljain
2020-04-22 22:04 ` [PATCH v2 07/11] perf expr: debug lex if debugging yacc Ian Rogers
2020-04-22 22:04 ` [PATCH v2 08/11] perf metrics: fix parse errors in power8 metrics Ian Rogers
2020-04-22 22:31 ` Paul Clarke
2020-04-22 22:46 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 09/11] perf metrics: fix parse errors in power9 metrics Ian Rogers
2020-04-22 22:31 ` Paul Clarke
2020-04-22 22:04 ` [PATCH v2 10/11] perf expr: print a debug message for division by zero Ian Rogers
2020-04-23 11:28 ` Jiri Olsa
2020-04-23 14:16 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 11/11] perf test: add expr test for pmu metrics Ian Rogers
2020-04-23 11:28 ` Jiri Olsa
2020-04-23 14:22 ` Ian Rogers
2020-04-23 15:11 ` John Garry [this message]
2020-04-23 16:21 ` Ian Rogers
2020-04-23 11:28 ` [PATCH v2 00/11] perf metric fixes and test Jiri Olsa
2020-04-23 13:44 ` Jin, Yao
2020-04-23 14:02 ` Jiri Olsa
2020-04-23 14:31 ` Ian Rogers
2020-04-24 2:46 ` Jin, Yao
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