linux-kernel - Re: [PATCH v2 09/10] perf dwarf-aux: fix __die_find_scope

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Message-ID: <aMWCmkQhlOj4fNol@x1>
Date: Sat, 13 Sep 2025 11:41:30 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Zecheng Li <zecheng@...gle.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>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Xu Liu <xliuprof@...gle.com>, linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 09/10] perf dwarf-aux: fix __die_find_scope_cb for
 namespaces

On Sat, Aug 30, 2025 at 12:32:19AM -0700, Namhyung Kim wrote:
> On Mon, Aug 25, 2025 at 07:58:17PM +0000, Zecheng Li wrote:
> > Currently __die_find_scope_cb goes to check siblings when the DIE
> > doesn't include the given PC. However namespaces don't have a PC and
> > could contain children that have that PC. When we encounter a namespace,
> > we should check both its children and siblings.
> > 
> > Signed-off-by: Zecheng Li <zecheng@...gle.com>
> 
> Reviewed-by: Namhyung Kim <namhyung@...nel.org>

I'm cherry picking this one as well.

- Arnaldo