From: Adrian Hunter <adrian.hunter@intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@linux.intel.com>, David Ahern <dsahern@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCHv4 00/27] perf stat: Introduce --per-thread option
Date: Tue, 23 Jun 2015 17:08:07 +0300 [thread overview]
Message-ID: <55896847.8000105@intel.com> (raw)
In-Reply-To: <20150623140501.GB3489@kernel.org>
On 23/06/15 17:05, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 23, 2015 at 09:22:00AM +0200, Jiri Olsa escreveu:
>> On Mon, Jun 22, 2015 at 08:06:00PM -0300, Arnaldo Carvalho de Melo wrote:
>>> Em Tue, Jun 23, 2015 at 12:36:01AM +0200, Jiri Olsa escreveu:
>>>> adding the possibility to display stat data per thread.
>
>>>> Allowing following commands and output:
>
>>>> $ perf stat -e cycles,instructions --per-thread -p 30190,30242
>
>>> While testing Adrian's Intel PT patchkit I realised we have --per-thread
>>> in 'record', wonder if using a long option with the exact same name but
>>> different meanings for 'stat' and 'record' would cause confusion...
>
>> I think the name fits for both stat and record.. and both are doing different
>
> For record it is vague, for stat, it seems to fit.
>
> For record it really should be --mmap-per-thread, but then we start
> getting what may seem overly long options, but then, its an oddball
> 'record' option...
It is not just the mmap, it is also the perf context. So it is central to
the way perf works.
next prev parent reply other threads:[~2015-06-23 14:10 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-22 22:36 [PATCHv4 00/27] perf stat: Introduce --per-thread option Jiri Olsa
2015-06-22 22:36 ` [PATCH 01/27] perf tools: Change thread_map::map into struct Jiri Olsa
2015-06-25 7:58 ` [tip:perf/core] perf thread_map: Don' t access the array entries directly tip-bot for Jiri Olsa
2015-06-25 7:58 ` [tip:perf/core] perf thread_map: Change map entries into a struct tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 02/27] perf tools: Add comm string into struct thread_map Jiri Olsa
2015-06-23 21:01 ` Arnaldo Carvalho de Melo
2015-06-23 21:56 ` Jiri Olsa
2015-06-25 14:39 ` Arnaldo Carvalho de Melo
2015-06-25 16:01 ` Jiri Olsa
2015-06-25 16:13 ` Arnaldo Carvalho de Melo
2015-06-22 22:36 ` [PATCH 03/27] perf tools: Add reference counting for cpu_map object Jiri Olsa
2015-06-23 21:06 ` Arnaldo Carvalho de Melo
2015-06-23 21:54 ` Jiri Olsa
2015-06-26 8:44 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 04/27] perf tools: Add reference counting for thread_map object Jiri Olsa
2015-06-26 8:44 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 05/27] perf tools: Propagate cpu maps through the evlist Jiri Olsa
2015-06-26 8:45 ` [tip:perf/urgent] perf evlist: Propagate cpu maps to evsels in an evlist tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 06/27] perf tools: Propagate thread maps through the evlist Jiri Olsa
2015-06-26 8:45 ` [tip:perf/urgent] perf evlist: " tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 07/27] perf tools: Make perf_evsel__(nr_)cpus generic Jiri Olsa
2015-06-26 8:45 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2015-06-22 22:36 ` [PATCH 08/27] perf tests: Add thread_map object tests Jiri Olsa
2015-06-22 22:36 ` [PATCH 09/27] perf stat: Introduce perf_counts function Jiri Olsa
2015-06-23 21:11 ` Arnaldo Carvalho de Melo
2015-06-23 22:03 ` Jiri Olsa
2015-06-22 22:36 ` [PATCH 10/27] perf stat: Use xyarray for cpu evsel counts Jiri Olsa
2015-06-22 22:36 ` [PATCH 11/27] perf stat: Make stats work over the thread dimension Jiri Olsa
2015-06-22 22:36 ` [PATCH 12/27] perf stat: Rename struct perf_counts::cpu member to values Jiri Olsa
2015-06-22 22:36 ` [PATCH 13/27] perf stat: Introduce perf_evlist__reset_stats Jiri Olsa
2015-06-22 22:36 ` [PATCH 14/27] perf stat: Move perf_evsel__(alloc|free|reset)_stat_priv into stat object Jiri Olsa
2015-06-22 22:36 ` [PATCH 15/27] perf stat: Move perf_evsel__(alloc|free)_prev_raw_counts " Jiri Olsa
2015-06-22 22:36 ` [PATCH 16/27] perf stat: Move perf_evlist__(alloc|free|reset)_stats " Jiri Olsa
2015-06-22 22:36 ` [PATCH 17/27] perf stat: Introduce perf_evsel__alloc_stats function Jiri Olsa
2015-06-22 22:36 ` [PATCH 18/27] perf stat: Introduce perf_evsel__read function Jiri Olsa
2015-06-22 22:36 ` [PATCH 19/27] perf stat: Introduce read_counters function Jiri Olsa
2015-06-22 22:36 ` [PATCH 20/27] perf stat: Separate counters reading and processing Jiri Olsa
2015-06-22 22:36 ` [PATCH 21/27] perf stat: Move zero_per_pkg into counter process code Jiri Olsa
2015-06-22 22:36 ` [PATCH 22/27] perf stat: Move perf_stat initialization " Jiri Olsa
2015-06-22 22:36 ` [PATCH 23/27] perf stat: Remove perf_evsel__read_cb function Jiri Olsa
2015-06-22 22:36 ` [PATCH 24/27] perf stat: Rename print_interval to process_interval Jiri Olsa
2015-06-22 22:36 ` [PATCH 25/27] perf stat: Using init_stats instead of memset Jiri Olsa
2015-06-22 22:36 ` [PATCH 26/27] perf stat: Introduce print_counters function Jiri Olsa
2015-06-22 22:36 ` [PATCH 27/27] perf stat: Introduce --per-thread option Jiri Olsa
2015-06-22 23:06 ` [PATCHv4 00/27] " Arnaldo Carvalho de Melo
2015-06-23 7:22 ` Jiri Olsa
2015-06-23 14:05 ` Arnaldo Carvalho de Melo
2015-06-23 14:08 ` Adrian Hunter [this message]
2015-06-23 15:06 ` Arnaldo Carvalho de Melo
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