From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: 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>,
Song Liu <songliubraving@fb.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Ian Rogers <irogers@google.com>,
Stephane Eranian <eranian@google.com>,
Alexey Budankov <alexey.budankov@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH 20/26] perf tools: Add build_id_cache__add function
Date: Mon, 14 Sep 2020 13:13:31 -0300 [thread overview]
Message-ID: <20200914161331.GM160517@kernel.org> (raw)
In-Reply-To: <20200913210313.1985612-21-jolsa@kernel.org>
Em Sun, Sep 13, 2020 at 11:03:07PM +0200, Jiri Olsa escreveu:
> Adding build_id_cache__add function as core function
> that adds file into build id database. It will be
> sed from another callers in following changes.
More prep work generally useful, applying now.
- Arnaldo
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> tools/perf/util/build-id.c | 42 ++++++++++++++++++++++++--------------
> tools/perf/util/build-id.h | 2 ++
> 2 files changed, 29 insertions(+), 15 deletions(-)
>
> diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
> index b281c97894e0..bf044e52ad1f 100644
> --- a/tools/perf/util/build-id.c
> +++ b/tools/perf/util/build-id.c
> @@ -668,24 +668,15 @@ static char *build_id_cache__find_debug(const char *sbuild_id,
> return realname;
> }
>
> -int build_id_cache__add_s(const char *sbuild_id, const char *name,
> - struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
> +int
> +build_id_cache__add(const char *sbuild_id, const char *name, const char *realname,
> + struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
> {
> const size_t size = PATH_MAX;
> - char *realname = NULL, *filename = NULL, *dir_name = NULL,
> - *linkname = zalloc(size), *tmp;
> + char *filename = NULL, *dir_name = NULL, *linkname = zalloc(size), *tmp;
> char *debugfile = NULL;
> int err = -1;
>
> - if (!is_kallsyms) {
> - if (!is_vdso)
> - realname = nsinfo__realpath(name, nsi);
> - else
> - realname = realpath(name, NULL);
> - if (!realname)
> - goto out_free;
> - }
> -
> dir_name = build_id_cache__cachedir(sbuild_id, name, nsi, is_kallsyms,
> is_vdso);
> if (!dir_name)
> @@ -786,8 +777,6 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name,
> pr_debug4("Failed to update/scan SDT cache for %s\n", realname);
>
> out_free:
> - if (!is_kallsyms)
> - free(realname);
> free(filename);
> free(debugfile);
> free(dir_name);
> @@ -795,6 +784,29 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name,
> return err;
> }
>
> +int build_id_cache__add_s(const char *sbuild_id, const char *name,
> + struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
> +{
> + char *realname = NULL;
> + int err = -1;
> +
> + if (!is_kallsyms) {
> + if (!is_vdso)
> + realname = nsinfo__realpath(name, nsi);
> + else
> + realname = realpath(name, NULL);
> + if (!realname)
> + goto out_free;
> + }
> +
> + err = build_id_cache__add(sbuild_id, name, realname, nsi, is_kallsyms, is_vdso);
> +
> +out_free:
> + if (!is_kallsyms)
> + free(realname);
> + return err;
> +}
> +
> static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
> const char *name, struct nsinfo *nsi,
> bool is_kallsyms, bool is_vdso)
> diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
> index 2cf87b7304e2..6d1c7180047b 100644
> --- a/tools/perf/util/build-id.h
> +++ b/tools/perf/util/build-id.h
> @@ -50,6 +50,8 @@ char *build_id_cache__complement(const char *incomplete_sbuild_id);
> int build_id_cache__list_build_ids(const char *pathname, struct nsinfo *nsi,
> struct strlist **result);
> bool build_id_cache__cached(const char *sbuild_id);
> +int build_id_cache__add(const char *sbuild_id, const char *name, const char *realname,
> + struct nsinfo *nsi, bool is_kallsyms, bool is_vdso);
> int build_id_cache__add_s(const char *sbuild_id,
> const char *name, struct nsinfo *nsi,
> bool is_kallsyms, bool is_vdso);
> --
> 2.26.2
>
--
- Arnaldo
next prev parent reply other threads:[~2020-09-14 16:32 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-13 21:02 [RFC 00/26] perf: Add mmap3 support Jiri Olsa
2020-09-13 21:02 ` [PATCH 01/26] bpf: Move stack_map_get_build_id into lib Jiri Olsa
2020-09-14 6:09 ` Song Liu
2020-09-13 21:02 ` [PATCH 02/26] perf: Introduce mmap3 version of mmap event Jiri Olsa
2020-09-14 5:38 ` Namhyung Kim
2020-09-14 6:20 ` Song Liu
2020-09-14 19:38 ` Jiri Olsa
2020-09-14 15:28 ` Arnaldo Carvalho de Melo
2020-09-14 16:35 ` peterz
2020-09-14 17:08 ` Ian Rogers
2020-09-14 20:07 ` Jiri Olsa
2020-09-15 5:49 ` Adrian Hunter
2020-09-14 19:38 ` Jiri Olsa
2020-09-14 19:39 ` Jiri Olsa
2020-09-14 22:00 ` Arnaldo Carvalho de Melo
2020-09-15 5:39 ` Adrian Hunter
2020-09-14 19:38 ` Jiri Olsa
2020-09-15 2:54 ` Namhyung Kim
2020-09-14 6:41 ` Stephane Eranian
2020-09-14 9:08 ` peterz
2020-09-14 15:32 ` Arnaldo Carvalho de Melo
2020-09-14 17:26 ` Stephane Eranian
2020-09-14 19:56 ` Jiri Olsa
2020-09-15 0:03 ` Ian Rogers
2020-09-14 15:31 ` Arnaldo Carvalho de Melo
2020-09-14 19:50 ` Jiri Olsa
2020-09-14 22:38 ` Arnaldo Carvalho de Melo
2020-09-14 19:45 ` Jiri Olsa
2020-09-14 9:36 ` peterz
2020-09-13 21:02 ` [PATCH 03/26] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h Jiri Olsa
2020-09-14 5:39 ` Namhyung Kim
2020-09-13 21:02 ` [PATCH 04/26] perf tools: Add filename__decompress function Jiri Olsa
2020-09-14 15:35 ` Arnaldo Carvalho de Melo
2020-09-14 20:43 ` Jiri Olsa
2020-09-17 18:54 ` Arnaldo Carvalho de Melo
2020-09-18 10:51 ` Jiri Olsa
2020-09-13 21:02 ` [PATCH 05/26] perf tools: Add build_id__is_defined function Jiri Olsa
2020-09-14 5:44 ` Namhyung Kim
2020-09-14 16:03 ` Arnaldo Carvalho de Melo
2020-09-14 20:49 ` Jiri Olsa
2020-09-14 20:47 ` Jiri Olsa
2020-09-14 21:51 ` Arnaldo Carvalho de Melo
2020-09-13 21:02 ` [PATCH 06/26] perf tools: Add support to read build id from compressed elf Jiri Olsa
2020-09-14 16:04 ` Arnaldo Carvalho de Melo
2020-09-14 20:49 ` Jiri Olsa
2020-09-13 21:02 ` [PATCH 07/26] perf tools: Add check for existing link in buildid dir Jiri Olsa
2020-09-14 5:54 ` Namhyung Kim
2020-09-14 20:18 ` Jiri Olsa
2020-09-13 21:02 ` [PATCH 08/26] perf tools: Use struct extra_kernel_map in machine__process_kernel_mmap_event Jiri Olsa
2020-09-13 21:02 ` [PATCH 09/26] perf tools: Try load vmlinux from buildid database Jiri Olsa
2020-09-14 6:25 ` Namhyung Kim
2020-09-14 20:29 ` Jiri Olsa
2020-09-15 2:58 ` Namhyung Kim
2020-09-13 21:02 ` [PATCH 10/26] perf tools: Enable mmap3 map event when supported Jiri Olsa
2020-09-14 16:05 ` Arnaldo Carvalho de Melo
2020-09-13 21:02 ` [PATCH 11/26] perf tools: Add mmap3 support Jiri Olsa
2020-09-13 21:02 ` [PATCH 12/26] perf tools: Set build id for kernel dso objects Jiri Olsa
2020-09-13 21:03 ` [PATCH 13/26] perf tools: Plug in mmap3 event Jiri Olsa
2020-09-13 21:03 ` [PATCH 14/26] perf tools: Add mmap3 events to --show-mmap-events option Jiri Olsa
2020-09-14 6:30 ` Namhyung Kim
2020-09-14 20:29 ` Jiri Olsa
2020-09-13 21:03 ` [PATCH 15/26] perf tools: Synthesize proc tasks with mmap3 Jiri Olsa
2020-09-14 16:07 ` Arnaldo Carvalho de Melo
2020-09-14 20:51 ` Jiri Olsa
2020-09-13 21:03 ` [PATCH 16/26] perf tools: Synthesize modules " Jiri Olsa
2020-09-14 16:07 ` Arnaldo Carvalho de Melo
2020-09-15 20:17 ` Ian Rogers
2020-09-16 8:20 ` Jiri Olsa
2020-09-16 14:07 ` Arnaldo Carvalho de Melo
2020-09-16 14:17 ` peterz
2020-09-16 15:10 ` Arnaldo Carvalho de Melo
2020-09-16 15:20 ` peterz
2020-09-16 15:21 ` Jiri Olsa
2020-09-16 15:42 ` Arnaldo Carvalho de Melo
2020-09-13 21:03 ` [PATCH 17/26] perf tools: Synthesize kernel " Jiri Olsa
2020-09-14 16:08 ` Arnaldo Carvalho de Melo
2020-09-13 21:03 ` [PATCH 18/26] perf tests: Add mmap3 support for perf record test Jiri Olsa
2020-09-13 21:03 ` [PATCH 19/26] perf tools: Add buildid-list support for mmap3 Jiri Olsa
2020-09-13 21:03 ` [PATCH 20/26] perf tools: Add build_id_cache__add function Jiri Olsa
2020-09-14 16:13 ` Arnaldo Carvalho de Melo [this message]
2020-09-13 21:03 ` [PATCH 21/26] perf tools: Add machine__for_each_dso function Jiri Olsa
2020-09-14 16:15 ` Arnaldo Carvalho de Melo
2020-09-13 21:03 ` [PATCH 22/26] perf tools: Use machine__for_each_dso in perf_session__cache_build_ids Jiri Olsa
2020-09-13 21:03 ` [PATCH 23/26] perf tools: Add __perf_session__cache_build_ids function Jiri Olsa
2020-09-13 21:03 ` [PATCH 24/26] perf tools: Add buildid-list --store option Jiri Olsa
2020-09-14 6:42 ` Namhyung Kim
2020-09-14 15:14 ` Arnaldo Carvalho de Melo
2020-09-14 20:42 ` Jiri Olsa
2020-09-14 20:42 ` Jiri Olsa
2020-09-13 21:03 ` [PATCH 25/26] perf tools: Move debuginfo download code into get_debuginfo Jiri Olsa
2020-09-13 21:03 ` [PATCH 26/26] perf tools: Add report --store option Jiri Olsa
2020-09-14 5:25 ` [RFC 00/26] perf: Add mmap3 support Namhyung Kim
2020-09-14 15:13 ` Arnaldo Carvalho de Melo
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=20200914161331.GM160517@kernel.org \
--to=acme@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=adrian.hunter@intel.com \
--cc=ak@linux.intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=alexey.budankov@linux.intel.com \
--cc=eranian@google.com \
--cc=fche@redhat.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 \
--cc=songliubraving@fb.com \
/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