linux-kernel - Re: [PATCH v3 10/10] perf list: Add json output option

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Date:   Thu, 17 Nov 2022 18:47:58 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Weilin Wang <weilin.wang@...el.com>,
        Perry Taylor <perry.taylor@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>,
        Leo Yan <leo.yan@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Sandipan Das <sandipan.das@....com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Xin Gao <gaoxin@...rlc.com>, Rob Herring <robh@...nel.org>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v3 10/10] perf list: Add json output option

On Thu, Nov 17, 2022 at 8:48 AM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> Em Thu, Nov 17, 2022 at 01:31:53PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Nov 16, 2022 at 11:52:39AM -0800, Ian Rogers escreveu:
> > > I think this should be squashed into "perf list: Reorganize to use
> > > callbacks". Some explanation, in porting the : glob case I'd assumed
> > > the before the colon would be the PMU and the after the event. Doing
> > > things caused tracepoint output to differ too much and so for
> > > tracepoints the : is kept in the event name. So we can simplify the
> > > matching to not be pmu and event, just use the event glob.
>
> > Next time please send the patch, I did it manually and before the last
> > option I get:
>
> > [root@...co ~]# perf list syscalls:sys_enter_open |& grep syscalls
> >   syscalls:sys_enter_open                            [Tracepoint event]
> > [root@...co ~]# perf test 112
> > 112: Check open filename arg using perf trace + vfs_getname          : Ok
> > [root@...co ~]#
>
> Ok, adjusted the last patch in the series, everything is in my
> tmp.perf/core branch, will go to perf/core later today when all tests
> gets passed.
>
> Please check that what is at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tmp.perf/core
>
> Is ok, its passing 'perf test' for me, including the one that was
> failing:
>
> [root@...co ~]# perf test 112
> 112: Check open filename arg using perf trace + vfs_getname          : Ok
> [root@...co ~]#
>
> - Arnaldo

Thanks! Looks good to me, I rebased the libpfm4 fix on it:
https://lore.kernel.org/lkml/20221118024607.409083-1-irogers@google.com/

Thanks,
Ian