linux-kernel - Re: [PATCH v1] perf inject: Inject build ids for entire call chain

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Message-ID: <Zrp2gdY87ZFlmMaW@x1>
Date: Mon, 12 Aug 2024 17:54:25 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Namhyung Kim <namhyung@...nel.org>,
	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>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Colin Ian King <colin.i.king@...il.com>,
	Casey Chen <cachen@...estorage.com>,
	Tom Zanussi <tzanussi@...il.com>, linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] perf inject: Inject build ids for entire call chain

On Mon, Aug 12, 2024 at 01:43:59PM -0700, Ian Rogers wrote:
> On Fri, Aug 2, 2024 at 11:23 AM Namhyung Kim <namhyung@...nel.org> wrote:
> >
> > Hi Ian,
> >
> > On Wed, Jul 31, 2024 at 08:12:49PM -0700, Ian Rogers wrote:
> > > The DSO build id is injected when the dso is first encountered but the
> > > checking for first encountered only looks at the sample->ip not the
> > > entire callchain. Use the callchain logic to ensure all build ids are
> > > inserted.
> > >
> > > Add a for_each callback style API to callchain with
> > > sample__for_each_callchain_node. Possibly in the future such an API
> > > can avoid the overhead of constructing the call chain list.
> > >
> > > Fixes: 454c407ec17a ("perf: add perf-inject builtin")
> > > Signed-off-by: Ian Rogers <irogers@...gle.com>
> >
> > Acked-by: Namhyung Kim <namhyung@...nel.org>
> 
> Ping.

This one isn't applying, maybe a clash with the previous patch or the
constify series?

Please take a look at wat is now in tmp.perf-tools-next

- Arnaldo