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Date: Wed, 5 Oct 2022 10:50:01 -0700 From: Namhyung Kim <namhyung@...nel.org> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, LKML <linux-kernel@...r.kernel.org>, Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, linux-perf-users <linux-perf-users@...r.kernel.org> Subject: Re: [PATCH v2 2/2] perf record: Save DSO build-ID for synthesizing Hi Arnaldo, On Wed, Sep 21, 2022 at 10:55 AM Namhyung Kim <namhyung@...nel.org> wrote: > > On Wed, Sep 21, 2022 at 6:50 AM Arnaldo Carvalho de Melo > <acme@...nel.org> wrote: > > > > Em Tue, Sep 20, 2022 at 03:28:22PM -0700, Namhyung Kim escreveu: > > > When synthesizing MMAP2 with build-id, it'd read the same file repeatedly as > > > it has no idea if it's done already. Maintain a dsos to check that and skip > > > the file access if possible. > > > > > > Signed-off-by: Namhyung Kim <namhyung@...nel.org> > > > --- > > > v2 change) > > > * Remove perf_event__synthesize_{start,stop} and use machine->dsos (Adrian) > > > > Will wait till I merge perf/urgent into perf/core so that this applies. I think it's doable now :) Thanks, Namhyung
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