linux-kernel - Re: [PATCH v2 2/2] perf symbol_conf: Remove now unused sort_by

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Date:   Wed, 21 Jun 2023 20:51:55 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     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>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Yang Jihong <yangjihong1@...wei.com>,
        Carsten Haitzler <carsten.haitzler@....com>,
        Changbin Du <changbin.du@...wei.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Jason Wang <wangborong@...rlc.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] perf symbol_conf: Remove now unused sort_by_name

On Tue, Jun 20, 2023 at 11:37 PM Ian Rogers <irogers@...gle.com> wrote:
>
> Previously used to specify symbol_name_rb_node was in use.
>
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  tools/perf/builtin-kallsyms.c   | 1 -
>  tools/perf/builtin-lock.c       | 2 --
>  tools/perf/builtin-report.c     | 1 -
>  tools/perf/tests/builtin-test.c | 1 -
>  tools/perf/util/probe-event.c   | 1 -
>  tools/perf/util/symbol_conf.h   | 1 -
>  6 files changed, 7 deletions(-)
>
> diff --git a/tools/perf/builtin-kallsyms.c b/tools/perf/builtin-kallsyms.c
> index 3751df744577..7f75c5b73f26 100644
> --- a/tools/perf/builtin-kallsyms.c
> +++ b/tools/perf/builtin-kallsyms.c
> @@ -62,7 +62,6 @@ int cmd_kallsyms(int argc, const char **argv)
>         if (argc < 1)
>                 usage_with_options(kallsyms_usage, options);
>
> -       symbol_conf.sort_by_name = true;
>         symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
>         if (symbol__init(NULL) < 0)
>                 return -1;
> diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
> index 8b505e1e5002..da36ace66d68 100644
> --- a/tools/perf/builtin-lock.c
> +++ b/tools/perf/builtin-lock.c
> @@ -1774,7 +1774,6 @@ static int __cmd_report(bool display_info)
>         }
>
>         /* for lock function check */
> -       symbol_conf.sort_by_name = true;

The comment also can go away.


>         symbol_conf.allow_aliases = true;
>         symbol__init(&session->header.env);
>
> @@ -1904,7 +1903,6 @@ static int __cmd_contention(int argc, const char **argv)
>                 con.save_callstack = true;
>
>         /* for lock function check */
> -       symbol_conf.sort_by_name = true;

Ditto.

Thanks,
Namhyung



>         symbol_conf.allow_aliases = true;
>         symbol__init(&session->header.env);
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index a31a23af5547..dcedfe00f04d 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -1676,7 +1676,6 @@ int cmd_report(int argc, const char **argv)
>                          * See symbol__browser_index.
>                          */
>                         symbol_conf.priv_size += sizeof(u32);
> -                       symbol_conf.sort_by_name = true;
>                 }
>                 annotation_config__init(&report.annotation_opts);
>         }
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index aa44fdc84763..1f6557ce3b0a 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -542,7 +542,6 @@ int cmd_test(int argc, const char **argv)
>                 return run_workload(workload, argc, argv);
>
>         symbol_conf.priv_size = sizeof(int);
> -       symbol_conf.sort_by_name = true;
>         symbol_conf.try_vmlinux_path = true;
>
>         if (symbol__init(NULL) < 0)
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index 277cb8f84cbc..16822a8a540f 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -74,7 +74,6 @@ int init_probe_symbol_maps(bool user_only)
>  {
>         int ret;
>
> -       symbol_conf.sort_by_name = true;
>         symbol_conf.allow_aliases = true;
>         ret = symbol__init(NULL);
>         if (ret < 0) {
> diff --git a/tools/perf/util/symbol_conf.h b/tools/perf/util/symbol_conf.h
> index f26f81eb8252..0b589570d1d0 100644
> --- a/tools/perf/util/symbol_conf.h
> +++ b/tools/perf/util/symbol_conf.h
> @@ -18,7 +18,6 @@ struct symbol_conf {
>                         show_kernel_path,
>                         use_modules,
>                         allow_aliases,
> -                       sort_by_name,
>                         show_nr_samples,
>                         show_total_period,
>                         use_callchain,
> --
> 2.41.0.162.gfafddb0af9-goog
>