From: Jiri Olsa <jolsa@redhat.com>
To: kajoljain <kjain@linux.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Michael Petlan <mpetlan@redhat.com>,
Andi Kleen <ak@linux.intel.com>,
John Garry <john.garry@huawei.com>,
"Paul A. Clarke" <pc@us.ibm.com>,
Stephane Eranian <eranian@google.com>,
Ian Rogers <irogers@google.com>
Subject: Re: [PATCHv3 00/19] perf metric: Add support to reuse metric
Date: Mon, 20 Jul 2020 09:22:37 +0200 [thread overview]
Message-ID: <20200720072237.GC760733@krava> (raw)
In-Reply-To: <dbe59791-937d-de95-4ba0-c34e7a1cd273@linux.ibm.com>
On Mon, Jul 20, 2020 at 12:14:00PM +0530, kajoljain wrote:
>
>
> On 7/19/20 11:43 PM, Jiri Olsa wrote:
> > hi,
> > this patchset is adding the support to reused metric in
> > another metric.
> >
> > For example, to define IPC by using CPI with change like:
> >
> > {
> > "BriefDescription": "Instructions Per Cycle (per Logical Processor)",
> > - "MetricExpr": "INST_RETIRED.ANY / CPU_CLK_UNHALTED.THREAD",
> > + "MetricExpr": "1/CPI",
> > "MetricGroup": "TopDownL1",
> > "MetricName": "IPC"
> > },
> >
> > I won't be able to find all the possible places we could
> > use this at, so I wonder you guys (who was asking for this)
> > would try it and come up with comments if there's something
> > missing or we could already use it at some places.
> >
> > It's based on Arnaldo's tmp.perf/core.
> >
> > v3 changes:
> > - added some acks
> > - some patches got merged
> > - added missing zalloc include [John Garry]
> > - added ids array outside the egroup object [Ian]
> > - removed wrong m->has_constraint assignment [Ian]
> > - renamed 'list' to 'metric_list' [Ian]
> > - fixed group metric and added test for it [Paul A. Clarke]
> > - fixed memory leak [Arnaldo]
> > - using lowercase keys for metrics in hashmap, because jevents
> > converts metric_expr to lowercase
> >
> > Also available in here:
> > git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
> > perf/metric
> >
>
> Hi Jiri,
> I am trying to review these patches and also test it in power box. I am testing your `perf/metric` branch.
> With your current patches,some of hv-24x7 events not giving appropriate result
> while doing "--metric-only" command. I can't see corresponding output for all chips.
hi,
is that just for --metric-only option?
>
> This is output on power9 machine:
>
> Without your patches on upstream kernel:
>
> command# ./perf stat --metric-only -M PowerBUS_Frequency -I 1000 -C 0
> # time GHz PowerBUS_Frequency_0 GHz PowerBUS_Frequency_1
> 1.000073877 2.0 2.0
> 2.000240551 2.0 1.9
> ^C 2.452590532 0.9 0.9
>
> Performance counter stats for 'CPU(s) 0':
>
> 4.8 4.8
>
> 2.452654834 seconds time elapsed
>
> With your patches on perf/metric branch:
>
> command# ./perf stat --metric-only -M PowerBUS_Frequency -I 1000 -C 0
> assertion failed at util/metricgroup.c:709
> # time GHz PowerBUS_Frequency_0
> 1.000073875 2.0
> 2.000380706 2.0
> ^C 2.658962182 1.3
>
> Performance counter stats for 'CPU(s) 0':
>
> 5.2
>
> Please let me know, if I am missing something.
hum, I'll need to add test for metric with hv-24x7 events
thanks,
jirka
next prev parent reply other threads:[~2020-07-20 7:22 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-19 18:13 [PATCHv3 00/19] perf metric: Add support to reuse metric Jiri Olsa
2020-07-19 18:13 ` [PATCH 01/19] perf metric: Fix memory leak in expr__add_id function Jiri Olsa
2020-07-19 21:41 ` Ian Rogers
2020-07-28 12:26 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 02/19] perf metric: Add " Jiri Olsa
2020-07-26 9:16 ` kajoljain
2020-07-28 12:27 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 03/19] perf metric: Change expr__get_id to return struct expr_id_data Jiri Olsa
2020-07-26 9:17 ` kajoljain
2020-07-28 12:28 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 04/19] perf metric: Add expr__del_id function Jiri Olsa
2020-07-26 9:17 ` kajoljain
2020-07-28 12:28 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 05/19] perf metric: Add macros for iterating map events Jiri Olsa
2020-07-19 21:46 ` Ian Rogers
2020-07-28 12:29 ` Arnaldo Carvalho de Melo
2020-07-26 9:17 ` kajoljain
2020-07-19 18:13 ` [PATCH 06/19] perf metric: Add add_metric function Jiri Olsa
2020-07-26 9:17 ` kajoljain
2020-07-28 12:30 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 07/19] perf metric: Rename __metricgroup__add_metric to __add_metric Jiri Olsa
2020-07-26 9:18 ` kajoljain
2020-07-28 12:30 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 08/19] perf metric: Collect referenced metrics in struct metric_ref_node Jiri Olsa
2020-07-19 22:18 ` Ian Rogers
2020-07-26 9:18 ` kajoljain
2020-07-28 12:31 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 09/19] perf metric: Collect referenced metrics in struct metric_expr Jiri Olsa
2020-07-26 9:18 ` kajoljain
2020-07-28 12:32 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 10/19] perf metric: Add referenced metrics to hash data Jiri Olsa
2020-07-19 22:32 ` Ian Rogers
2020-07-26 9:18 ` kajoljain
2020-07-28 12:32 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 11/19] perf metric: Compute referenced metrics Jiri Olsa
2020-07-26 9:19 ` kajoljain
2020-07-28 12:33 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 12/19] perf metric: Add events for the current list Jiri Olsa
2020-07-19 22:34 ` Ian Rogers
2020-07-26 9:19 ` kajoljain
2020-07-28 12:33 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 13/19] perf metric: Add cache_miss_cycles to metric parse test Jiri Olsa
2020-07-26 9:19 ` kajoljain
2020-07-28 12:34 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 14/19] perf metric: Add DCache_L2 " Jiri Olsa
2020-07-26 9:19 ` kajoljain
2020-07-28 12:34 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 15/19] perf metric: Add recursion check when processing nested metrics Jiri Olsa
2020-07-19 22:40 ` Ian Rogers
2020-07-26 9:20 ` kajoljain
2020-07-28 12:35 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 16/19] perf metric: Make compute_single function more precise Jiri Olsa
2020-07-28 12:36 ` Arnaldo Carvalho de Melo
2020-07-28 17:26 ` Ian Rogers
2020-07-28 20:17 ` kajoljain
2020-07-29 11:08 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 17/19] perf metric: Add metric group test Jiri Olsa
2020-07-19 22:41 ` Ian Rogers
2020-07-26 9:20 ` kajoljain
2020-07-28 12:37 ` Arnaldo Carvalho de Melo
2020-07-19 18:13 ` [PATCH 18/19] perf metric: Rename struct egroup to metric Jiri Olsa
2020-07-26 9:20 ` kajoljain
2020-07-19 18:13 ` [PATCH 19/19] perf metric: Rename group_list to metric_list Jiri Olsa
2020-07-19 22:42 ` Ian Rogers
2020-07-26 9:21 ` kajoljain
2020-07-28 12:38 ` Arnaldo Carvalho de Melo
2020-07-20 6:44 ` [PATCHv3 00/19] perf metric: Add support to reuse metric kajoljain
2020-07-20 7:22 ` Jiri Olsa [this message]
2020-07-20 8:09 ` kajoljain
2020-07-20 8:19 ` Jiri Olsa
2020-07-20 9:02 ` kajoljain
2020-07-20 19:16 ` Jiri Olsa
2020-07-24 5:52 ` kajoljain
2020-07-25 11:51 ` Jiri Olsa
2020-07-26 9:14 ` kajoljain
2020-07-28 12:39 ` Arnaldo Carvalho de Melo
2020-07-28 12:54 ` Jiri Olsa
2020-07-28 13:01 ` Jiri Olsa
2020-07-28 13:34 ` [PATCHv3 20/19] perf metric: Fix runtime metric for powerpc Jiri Olsa
2020-07-28 15:22 ` [PATCHv3 00/19] perf metric: Add support to reuse metric Arnaldo Carvalho de Melo
2020-07-21 14:48 ` Paul A. Clarke
2020-07-22 18:11 ` Jiri Olsa
2020-07-23 15:59 ` Paul A. Clarke
2020-07-25 11:52 ` Jiri Olsa
2020-07-28 12:42 ` Arnaldo Carvalho de Melo
2020-07-23 17:14 ` Paul A. Clarke
2020-07-23 17:40 ` Andi Kleen
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