Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1233744

Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms of hw/sw events

From Jiri Olsa <jolsa@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms of hw/sw events
Date 2015-09-27 22:30 +0200
Message-ID <qdqK6-VQ-7@gated-at.bofh.it> (permalink)
References <qczcJ-88V-5@gated-at.bofh.it> <qczcK-88V-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v2 1/4] perf tools: Adds the config_term callback for different type events He Kuang <hekuang@huawei.com> - 2015-09-25 13:20 +0200
  [PATCH v2 2/4] perf tools: Prompt error message for wrong terms of hw/sw events He Kuang <hekuang@huawei.com> - 2015-09-25 13:20 +0200
    Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms  of hw/sw events Jiri Olsa <jolsa@redhat.com> - 2015-09-27 22:30 +0200
    Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms  of hw/sw events Jiri Olsa <jolsa@redhat.com> - 2015-09-27 22:30 +0200
    Re: [PATCH v2 2/4] perf tools: Prompt error message for wrong terms  of hw/sw events Jiri Olsa <jolsa@redhat.com> - 2015-09-27 22:40 +0200
  [PATCH v2 4/4] perf tools: Enable event_config terms to tracepoint events He Kuang <hekuang@huawei.com> - 2015-09-25 13:20 +0200
    Re: [PATCH v2 4/4] perf tools: Enable event_config terms to  tracepoint events Jiri Olsa <jolsa@redhat.com> - 2015-09-27 22:50 +0200

csiph-web