From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Tom Rix <trix@redhat.com>, James Clark <james.clark@arm.com>,
Andi Kleen <ak@linux.intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
German Gomez <german.gomez@arm.com>,
Sandipan Das <sandipan.das@amd.com>,
Andres Freund <andres@anarazel.de>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH v1 1/6] perf annotate: Delete session for debug builds
Date: Wed, 29 Mar 2023 10:18:10 -0300 [thread overview]
Message-ID: <ZCQ6kqhODsxSCXdP@kernel.org> (raw)
In-Reply-To: <ZCQ4nERbit/f6yhh@kernel.org>
Em Wed, Mar 29, 2023 at 10:09:48AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Mar 28, 2023 at 04:55:38PM -0700, Ian Rogers escreveu:
> > Use the debug build indicator as the guide to free the session. This
> > implements a behavior described in a comment, which is consequentially
> > removed.
> >
> > Signed-off-by: Ian Rogers <irogers@google.com>
> > ---
> > tools/perf/builtin-annotate.c | 16 ++++++----------
> > 1 file changed, 6 insertions(+), 10 deletions(-)
> >
> > diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
> > index 4750fac7bf93..98d1b6379230 100644
> > --- a/tools/perf/builtin-annotate.c
> > +++ b/tools/perf/builtin-annotate.c
> > @@ -692,16 +692,12 @@ int cmd_annotate(int argc, const char **argv)
> >
> > out_delete:
> > /*
> > - * Speed up the exit process, for large files this can
> > - * take quite a while.
> > - *
> > - * XXX Enable this when using valgrind or if we ever
> > - * librarize this command.
> > - *
> > - * Also experiment with obstacks to see how much speed
> > - * up we'll get here.
> > - *
> > - * perf_session__delete(session);
> > + * Speed up the exit process by only deleting for debug builds. For
> > + * large files this can save time.
> > */
> > +#ifndef NDEBUG
> > + perf_session__delete(annotate.session);
> > +#endif
>
> So now, but default, we will call this, as we don't have this defined
> only if DEBUG=1 is set, right?
>
> ⬢[acme@toolbox perf-tools-next]$ find tools/perf/ -type f | xargs grep NDEBUG
> tools/perf/util/mutex.c:#ifndef NDEBUG
> ⬢[acme@toolbox perf-tools-next]$
We can discuss this later, applied the series with just that zfree()
change to annotation_options__exit().
- Arnaldo
next prev parent reply other threads:[~2023-03-29 13:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-28 23:55 [PATCH v1 0/6] config file/command line for objdump & addr2line Ian Rogers
2023-03-28 23:55 ` [PATCH v1 1/6] perf annotate: Delete session for debug builds Ian Rogers
2023-03-29 13:09 ` Arnaldo Carvalho de Melo
2023-03-29 13:18 ` Arnaldo Carvalho de Melo [this message]
2023-03-30 0:13 ` Namhyung Kim
2023-03-30 11:24 ` Arnaldo Carvalho de Melo
2023-03-30 16:59 ` Ian Rogers
2023-03-28 23:55 ` [PATCH v1 2/6] perf report: Additional config warnings Ian Rogers
2023-03-28 23:55 ` [PATCH v1 3/6] perf annotate: Add init/exit to annotation_options remove default Ian Rogers
2023-03-28 23:55 ` [PATCH v1 4/6] perf annotate: Own objdump_path and disassembler_style strings Ian Rogers
2023-03-29 13:17 ` Arnaldo Carvalho de Melo
2023-03-28 23:55 ` [PATCH v1 5/6] perf annotate: Allow objdump to be set in perfconfig Ian Rogers
2023-03-28 23:55 ` [PATCH v1 6/6] perf symbol: Add command line support for addr2line path Ian Rogers
2023-03-30 0:15 ` Namhyung Kim
2023-03-29 13:20 ` [PATCH v1 0/6] config file/command line for objdump & addr2line Arnaldo Carvalho de Melo
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