From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: Ian Rogers <irogers@google.com>,
lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Michael Petlan <mpetlan@redhat.com>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 5/9] perf tools: Pass build_id object to dso__set_build_id
Date: Wed, 14 Oct 2020 08:51:44 -0300 [thread overview]
Message-ID: <20201014115144.GD3100363@kernel.org> (raw)
In-Reply-To: <20201013192441.1299447-6-jolsa@kernel.org>
Em Tue, Oct 13, 2020 at 09:24:37PM +0200, Jiri Olsa escreveu:
> Passing build_id object to dso__set_build_id, so it's easier
> to initialize dos's build id object.
>
> Acked-by: Ian Rogers <irogers@google.com>
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> tools/perf/util/dso.c | 4 ++--
> tools/perf/util/dso.h | 2 +-
> tools/perf/util/header.c | 4 +++-
> tools/perf/util/symbol-minimal.c | 2 +-
> tools/perf/util/symbol.c | 2 +-
> 5 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
> index 2f7f01ead9a1..4415ce83150b 100644
> --- a/tools/perf/util/dso.c
> +++ b/tools/perf/util/dso.c
> @@ -1326,9 +1326,9 @@ void dso__put(struct dso *dso)
> dso__delete(dso);
> }
>
> -void dso__set_build_id(struct dso *dso, void *build_id)
> +void dso__set_build_id(struct dso *dso, struct build_id *bid)
> {
> - memcpy(dso->bid.data, build_id, sizeof(dso->bid.data));
> + dso->bid = *bid;
Can't we use bid->size here?
dso->bid.size = bid->size;
memcpy(dso->bid.data, bid->data, bid->size));
?
Not worth it? Probably :-)
- Arnaldo
> dso->has_build_id = 1;
> }
>
> diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
> index eac004210b47..5a5678dbdaa5 100644
> --- a/tools/perf/util/dso.h
> +++ b/tools/perf/util/dso.h
> @@ -260,7 +260,7 @@ bool dso__sorted_by_name(const struct dso *dso);
> void dso__set_sorted_by_name(struct dso *dso);
> void dso__sort_by_name(struct dso *dso);
>
> -void dso__set_build_id(struct dso *dso, void *build_id);
> +void dso__set_build_id(struct dso *dso, struct build_id *bid);
> bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
> void dso__read_running_kernel_build_id(struct dso *dso,
> struct machine *machine);
> diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
> index fe220f01fc94..21243adbb9fd 100644
> --- a/tools/perf/util/header.c
> +++ b/tools/perf/util/header.c
> @@ -2082,8 +2082,10 @@ static int __event_process_build_id(struct perf_record_header_build_id *bev,
> dso = machine__findnew_dso(machine, filename);
> if (dso != NULL) {
> char sbuild_id[SBUILD_ID_SIZE];
> + struct build_id bid;
>
> - dso__set_build_id(dso, &bev->build_id);
> + build_id__init(&bid, bev->build_id, BUILD_ID_SIZE);
> + dso__set_build_id(dso, &bid);
>
> if (dso_space != DSO_SPACE__USER) {
> struct kmod_path m = { .name = NULL, };
> diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
> index dba6b9e5d64e..f9eb0bee7f15 100644
> --- a/tools/perf/util/symbol-minimal.c
> +++ b/tools/perf/util/symbol-minimal.c
> @@ -349,7 +349,7 @@ int dso__load_sym(struct dso *dso, struct map *map __maybe_unused,
> dso->is_64_bit = ret;
>
> if (filename__read_build_id(ss->name, &bid) > 0)
> - dso__set_build_id(dso, bid.data);
> + dso__set_build_id(dso, &bid);
> return 0;
> }
>
> diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
> index 369cbad09f0d..976632d0baa0 100644
> --- a/tools/perf/util/symbol.c
> +++ b/tools/perf/util/symbol.c
> @@ -1818,7 +1818,7 @@ int dso__load(struct dso *dso, struct map *map)
> is_regular_file(dso->long_name)) {
> __symbol__join_symfs(name, PATH_MAX, dso->long_name);
> if (filename__read_build_id(name, &bid) > 0)
> - dso__set_build_id(dso, bid.data);
> + dso__set_build_id(dso, &bid);
> }
>
> /*
> --
> 2.26.2
>
--
- Arnaldo
next prev parent reply other threads:[~2020-10-14 11:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 19:24 [PATCHv2 0/9] perf tools: Add support for build id with different sizes Jiri Olsa
2020-10-13 19:24 ` [PATCH 1/9] perf tools: Use build_id object in dso Jiri Olsa
2020-10-13 19:24 ` [PATCH 2/9] perf tools: Pass build_id object to filename__read_build_id Jiri Olsa
2020-10-13 19:24 ` [PATCH 3/9] perf tools: Pass build id object to sysfs__read_build_id Jiri Olsa
2020-10-13 19:24 ` [PATCH 4/9] perf tools: Pass build_id object to build_id__sprintf Jiri Olsa
2020-10-13 19:24 ` [PATCH 5/9] perf tools: Pass build_id object to dso__set_build_id Jiri Olsa
2020-10-14 11:51 ` Arnaldo Carvalho de Melo [this message]
2020-10-14 11:59 ` Jiri Olsa
2020-10-13 19:24 ` [PATCH 6/9] perf tools: Pass build_id object to dso__build_id_equal Jiri Olsa
2020-10-13 19:24 ` [PATCH 7/9] perf tools: Add size to struct perf_record_header_build_id Jiri Olsa
2020-10-14 11:59 ` Arnaldo Carvalho de Melo
2020-10-14 13:21 ` Jiri Olsa
2020-10-14 15:32 ` Arnaldo Carvalho de Melo
2020-10-14 14:24 ` Arnaldo Carvalho de Melo
2020-10-13 19:24 ` [PATCH 8/9] perf tools: Align buildid list output for short build ids Jiri Olsa
2020-10-13 19:24 ` [PATCH 9/9] perf tools: Add build id shell test Jiri Olsa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201014115144.GD3100363@kernel.org \
--to=acme@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=alexander.shishkin@linux.intel.com \
--cc=eranian@google.com \
--cc=irogers@google.com \
--cc=jolsa@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mingo@kernel.org \
--cc=mpetlan@redhat.com \
--cc=namhyung@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome