linux-kernel - Re: [PATCH v4 04/22] perf test: Fix memory leak in symbols

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Message-ID: <58d0eb4c-5c58-5ff3-ee26-130247244df7@intel.com>
Date:   Mon, 20 Mar 2023 10:06:25 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Ian Rogers <irogers@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Darren Hart <dvhart@...radead.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        André Almeida <andrealmeid@...labora.com>,
        James Clark <james.clark@....com>,
        John Garry <john.g.garry@...cle.com>,
        Riccardo Mancini <rickyman7@...il.com>,
        Yury Norov <yury.norov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Leo Yan <leo.yan@...aro.org>, Andi Kleen <ak@...ux.intel.com>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Shunsuke Nakamura <nakamura.shun@...itsu.com>,
        Song Liu <song@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Miaoqian Lin <linmq006@...il.com>,
        Stephen Brennan <stephen.s.brennan@...cle.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
        German Gomez <german.gomez@....com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Eric Dumazet <edumazet@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, Hao Luo <haoluo@...gle.com>
Cc:     Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v4 04/22] perf test: Fix memory leak in symbols

On 20/03/23 05:37, Ian Rogers wrote:
> machine__delete doesn't delete threads.

Which begs the question: Shouldn't it?

>                                         Add call to delete threads
> ahead of deleting the machine.
> 
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  tools/perf/tests/symbols.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/tests/symbols.c b/tools/perf/tests/symbols.c
> index 057b16df6416..0793f8f419e2 100644
> --- a/tools/perf/tests/symbols.c
> +++ b/tools/perf/tests/symbols.c
> @@ -38,6 +38,7 @@ static int init_test_info(struct test_info *ti)
>  static void exit_test_info(struct test_info *ti)
>  {
>  	thread__put(ti->thread);
> +	machine__delete_threads(ti->machine);
>  	machine__delete(ti->machine);
>  }
>