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From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@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>,
	Song Liu <songliubraving@fb.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: [PATCH 21/25] perf tools: Add build_id_cache__add function
Date: Thu, 26 Nov 2020 18:00:22 +0100	[thread overview]
Message-ID: <20201126170026.2619053-22-jolsa@kernel.org> (raw)
In-Reply-To: <20201126170026.2619053-1-jolsa@kernel.org>

Adding build_id_cache__add function as core function
that adds file into build id database. It will be
set from another callers in following changes.

Acked-by: Ian Rogers <irogers@google.com>
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 6bf3cc79c5d5..02df36b30ac5 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -671,24 +671,15 @@ 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)
@@ -788,8 +779,6 @@ 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);
@@ -797,6 +786,29 @@ 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 struct build_id *bid,
 				 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 c6f10e3d2152..02613f4b2c29 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -63,6 +63,8 @@ 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


  parent reply	other threads:[~2020-11-26 17:02 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-26 17:00 [PATCHv4 00/25] perf: Add mmap2 build id support Jiri Olsa
2020-11-26 17:00 ` [PATCH 01/25] bpf: Move stack_map_get_build_id into lib Jiri Olsa
2020-11-26 17:00 ` [PATCH 02/25] bpf: Add size arg to build_id_parse function Jiri Olsa
2020-12-03 19:24   ` Jiri Olsa
2020-12-03 21:23   ` Song Liu
2020-12-04 23:30     ` Jiri Olsa
2020-11-26 17:00 ` [PATCH 03/25] perf: Add build id data in mmap2 event Jiri Olsa
2020-11-26 17:00 ` [PATCH 04/25] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h Jiri Olsa
2020-11-26 17:00 ` [PATCH 05/25] tools lib: Adopt memchr_inv() from kernel Jiri Olsa
2020-11-26 17:42   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 06/25] perf tools: Do not swap mmap2 fields in case it contains build id Jiri Olsa
2020-11-26 17:30   ` Arnaldo Carvalho de Melo
2020-11-27 19:46     ` Jiri Olsa
2020-11-26 17:00 ` [PATCH 07/25] perf tools: Add build_id__is_defined function Jiri Olsa
2020-11-26 17:43   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 08/25] perf tools: Add filename__decompress function Jiri Olsa
2020-11-26 17:44   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 09/25] perf tools: Add support to read build id from compressed elf Jiri Olsa
2020-11-26 17:46   ` Arnaldo Carvalho de Melo
2020-11-27 19:45     ` Jiri Olsa
2020-11-26 17:00 ` [PATCH 10/25] perf tools: Add check for existing link in buildid dir Jiri Olsa
2020-11-26 17:47   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 11/25] perf tools: Use struct extra_kernel_map in machine__process_kernel_mmap_event Jiri Olsa
2020-11-26 17:48   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 12/25] perf tools: Try to load vmlinux from buildid database Jiri Olsa
2020-11-26 17:50   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 13/25] perf tools: Store build id from mmap2 events Jiri Olsa
2020-11-26 17:00 ` [PATCH 14/25] perf tools: Allow mmap2 event to synthesize kernel image Jiri Olsa
2020-11-26 17:00 ` [PATCH 15/25] perf tools: Allow mmap2 event to synthesize modules Jiri Olsa
2020-11-26 17:00 ` [PATCH 16/25] perf tools: Synthesize build id for kernel/modules/tasks Jiri Olsa
2020-11-26 17:00 ` [PATCH 17/25] perf tools: Add support to display build id for mmap2 events Jiri Olsa
2020-11-26 17:00 ` [PATCH 18/25] perf tools: Use machine__for_each_dso in perf_session__cache_build_ids Jiri Olsa
2020-11-26 17:52   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 19/25] perf tools: Add __perf_session__cache_build_ids function Jiri Olsa
2020-11-26 17:53   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 20/25] perf tools: Add is_perf_data function Jiri Olsa
2020-11-26 17:51   ` Arnaldo Carvalho de Melo
2020-11-26 17:00 ` Jiri Olsa [this message]
2020-11-26 17:53   ` [PATCH 21/25] perf tools: Add build_id_cache__add function Arnaldo Carvalho de Melo
2020-11-26 17:00 ` [PATCH 22/25] perf buildid-cache: Add support to add build ids from perf data Jiri Olsa
2020-11-26 17:57   ` Arnaldo Carvalho de Melo
2020-11-27 19:49     ` Jiri Olsa
2020-11-26 17:00 ` [PATCH 23/25] perf buildid-cache: Add --debuginfod option Jiri Olsa
2020-11-26 17:00 ` [PATCH 24/25] perf buildid-list: Add support for mmap2's buildid events Jiri Olsa
2020-11-26 17:00 ` [PATCH 25/25] perf record: Add --buildid-mmap option to enable mmap's build id Jiri Olsa
2020-11-26 17:40   ` Arnaldo Carvalho de Melo
2020-11-27  4:41 ` [PATCHv4 00/25] perf: Add mmap2 build id support Namhyung Kim
  -- strict thread matches above, loose matches on Subject: below --
2020-11-23 23:04 [PATCHv3 " Jiri Olsa
2020-11-23 23:05 ` [PATCH 21/25] perf tools: Add build_id_cache__add function Jiri Olsa

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