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From: Jiri Olsa <jolsa@redhat.com>
To: He Kuang <hekuang@huawei.com>
Cc: a.p.zijlstra@chello.nl, mingo@redhat.com, acme@kernel.org,
	jolsa@kernel.org, kan.liang@intel.com, adrian.hunter@intel.com,
	wangnan0@huawei.com, pi3orama@163.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms of hw/sw events
Date: Sun, 27 Sep 2015 22:27:15 +0200	[thread overview]
Message-ID: <20150927202715.GE24007@krava.redhat.com> (raw)
In-Reply-To: <1443179511-59238-2-git-send-email-hekuang@huawei.com>

On Fri, Sep 25, 2015 at 11:11:49AM +0000, He Kuang wrote:
> Prompt proper error message when wrong config terms is specificed for
> hw/sw type perf events. This patch makes the original error prompt
> function formats_error_string() more generic, which only outputs the
> static config terms for hw/sw perf events, and prepends pmu formats
> for pmu events.
> 
> Before this patch:
> 
>   $ perf record -e 'cpu-clock/freq=200/' -a sleep 1
>   [ perf record: Woken up 1 times to write data ]
>   [ perf record: Captured and wrote 0.028 MB perf.data (202 samples) ]
> 
>   $ perf record -e 'cpu-clock/freqx=200/' -a sleep 1
>   [ perf record: Woken up 1 times to write data ]
>   [ perf record: Captured and wrote 0.042 MB perf.data (506 samples) ]

this output is not correct at this version,
patch 1/4 will make the above command fail

please change the example accordingly

jirka

  reply	other threads:[~2015-09-27 20:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-25 11:11 [PATCH v2 1/4] perf tools: Adds the config_term callback for different type events He Kuang
2015-09-25 11:11 ` [PATCH v2 2/4] perf tools: Prompt error message for wrong terms of hw/sw events He Kuang
2015-09-27 20:27   ` Jiri Olsa [this message]
2015-09-27 20:28   ` Jiri Olsa
2015-09-27 20:30   ` Jiri Olsa
2015-09-25 11:11 ` [PATCH v2 3/4] perf tools: Adds the tracepoint name parsing support He Kuang
2015-09-27 20:33   ` Jiri Olsa
2015-09-27 20:34   ` Jiri Olsa
2015-09-25 11:11 ` [PATCH v2 4/4] perf tools: Enable event_config terms to tracepoint events He Kuang
2015-09-27 20:41   ` Jiri Olsa

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