From: Andi Kleen <andi@firstfloor.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>,
jolsa@kernel.org, linux-kernel@vger.kernel.org,
eranian@google.com, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 2/6] perf, tools, stat: Implement CSV metrics output
Date: Thu, 18 Feb 2016 18:39:21 +0100 [thread overview]
Message-ID: <20160218173921.GE5083@two.firstfloor.org> (raw)
In-Reply-To: <20160218170035.GF9909@kernel.org>
> Where before it wasn't there:
>
> cat /tmp/before
> 0.282628,,task-clock,282628,100.00
> 1,,context-switches,282628,100.00
> 0,,cpu-migrations,282628,100.00
> 52,,page-faults,282628,100.00
> 861213,,cycles,285354,100.00
> <not supported>,,stalled-cycles-frontend,0,100.00
> <not supported>,,stalled-cycles-backend,0,100.00
> 686082,,instructions,285354,100.00
> 137846,,branches,285354,100.00
> 7142,,branch-misses,285354,100.00
This is intentional. See the standard perf output:
521,232 instructions # 0.63 insns per cycle
# 1.13 stalled cycles per insn
So this line has multiple metrics. In CSV this is expressed as a mostly empty line.
-Andi
next prev parent reply other threads:[~2016-02-18 17:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-17 22:43 perf, tools: Refactor and support interval and CSV metrics Andi Kleen
2016-02-17 22:44 ` [PATCH 1/6] perf, tools, stat: Handled scaled == -1 case for counters Andi Kleen
2016-02-20 11:35 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2016-02-17 22:44 ` [PATCH 2/6] perf, tools, stat: Implement CSV metrics output Andi Kleen
2016-02-18 17:00 ` Arnaldo Carvalho de Melo
2016-02-18 17:39 ` Andi Kleen [this message]
2016-02-21 16:39 ` Jiri Olsa
2016-02-22 16:26 ` Andi Kleen
2016-02-21 16:39 ` Jiri Olsa
2016-02-17 22:44 ` [PATCH 3/6] perf, tools, stat: Support metrics in --per-core/socket mode Andi Kleen
2016-02-21 17:15 ` Jiri Olsa
2016-02-22 16:52 ` Andi Kleen
2016-02-23 7:37 ` Jiri Olsa
2016-02-21 17:18 ` Jiri Olsa
2016-02-21 17:22 ` Jiri Olsa
2016-02-26 23:53 ` Andi Kleen
2016-02-17 22:44 ` [PATCH 4/6] perf, tools, stat: Document CSV format in manpage Andi Kleen
2016-02-17 22:44 ` [PATCH 5/6] perf, tools, stat: Implement --metric-only mode Andi Kleen
2016-02-17 22:44 ` [PATCH 6/6] perf, tools, stat: Add --metric-only support for -A Andi Kleen
2016-02-27 0:27 perf, tools: Refactor and support interval and CSV metrics Andi Kleen
2016-02-27 0:27 ` [PATCH 2/6] perf, tools, stat: Implement CSV metrics output Andi Kleen
2016-02-29 10:20 ` Jiri Olsa
2016-02-29 14:43 ` Arnaldo Carvalho de Melo
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