linux-kernel - Re: [PATCH v2] perf script: Fix overrun issue for dynamically-allocated pmu type number

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Message-ID: <20210121202413.GC356537@kernel.org>
Date:   Thu, 21 Jan 2021 17:24:13 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Jin Yao <yao.jin@...ux.intel.com>, jolsa@...nel.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, adrian.hunter@...el.com,
        Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH v2] perf script: Fix overrun issue for
 dynamically-allocated pmu type number

Em Wed, Jan 20, 2021 at 10:50:04PM +0100, Jiri Olsa escreveu:
> On Wed, Dec 09, 2020 at 08:58:28AM +0800, Jin Yao wrote:
> > After:
> >          swapper     0 [000] 1397040.402011:     272384               cpu-clock:  ffffffff9d4ddb6f cpuidle_enter_state+0xdf ([kernel.kallsyms])
> >          swapper     0 [000] 1397040.402011:       5396  uncore_imc/data_reads/:
> >          swapper     0 [000] 1397040.402011:        967 uncore_imc/data_writes/:
> >          swapper     0 [000] 1397040.402259:     249153               cpu-clock:  ffffffff9d4ddb6f cpuidle_enter_state+0xdf ([kernel.kallsyms])
> >          swapper     0 [000] 1397040.402259:       7231  uncore_imc/data_reads/:
> >          swapper     0 [000] 1397040.402259:       1297 uncore_imc/data_writes/:
> >          swapper     0 [000] 1397040.402508:     249108               cpu-clock:  ffffffff9d4ddb6f cpuidle_enter_state+0xdf ([kernel.kallsyms])
> >          swapper     0 [000] 1397040.402508:       5333  uncore_imc/data_reads/:
> >          swapper     0 [000] 1397040.402508:       1008 uncore_imc/data_writes/:
> > 
> > Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
> > ---
> > v2:
> >   Remove Fixes tag because this issue has always been here, not caused by
> >   1405720d4f26 ("perf script: Add 'synth' event type for synthesized events").
> >   No functional change in v2. 
> 
> Acked-by: Jiri Olsa <jolsa@...hat.com>

Thanks, applied.

- Arnaldo