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Subject[tip:perf/core] perf buildid-cache: Move session handling into cmd_buildid_cache()
Commit-ID:  e3ed75bb537a860a375ca1e09ad1b87c707f1636
Gitweb: http://git.kernel.org/tip/e3ed75bb537a860a375ca1e09ad1b87c707f1636
Author: Namhyung Kim <namhyung@kernel.org>
AuthorDate: Tue, 12 Aug 2014 15:40:36 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 13 Aug 2014 16:32:19 -0300

perf buildid-cache: Move session handling into cmd_buildid_cache()

This is a preparation of fixing dso__load_kernel_sym(). It needs a
session info before calling symbol__init().

Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1407825645-24586-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-buildid-cache.c | 35 +++++++++++++++++++++--------------
1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 2a2c78f..d91bfa6 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -246,20 +246,9 @@ static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
return true;
}

-static int build_id_cache__fprintf_missing(const char *filename, bool force, FILE *fp)
+static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *fp)
{
- struct perf_data_file file = {
- .path = filename,
- .mode = PERF_DATA_MODE_READ,
- .force = force,
- };
- struct perf_session *session = perf_session__new(&file, false, NULL);
- if (session == NULL)
- return -1;
-
perf_session__fprintf_dsos_buildid(session, fp, dso__missing_buildid_cache, 0);
- perf_session__delete(session);
-
return 0;
}

@@ -303,6 +292,11 @@ int cmd_buildid_cache(int argc, const char **argv,
*update_name_list_str = NULL,
*kcore_filename;

+ struct perf_data_file file = {
+ .mode = PERF_DATA_MODE_READ,
+ };
+ struct perf_session *session = NULL;
+
const struct option buildid_cache_options[] = {
OPT_STRING('a', "add", &add_name_list_str,
"file list", "file(s) to add"),
@@ -326,8 +320,17 @@ int cmd_buildid_cache(int argc, const char **argv,
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);

+ if (missing_filename) {
+ file.path = missing_filename;
+ file.force = force;
+
+ session = perf_session__new(&file, false, NULL);
+ if (session == NULL)
+ return -1;
+ }
+
if (symbol__init() < 0)
- return -1;
+ goto out;

setup_pager();

@@ -370,7 +373,7 @@ int cmd_buildid_cache(int argc, const char **argv,
}

if (missing_filename)
- ret = build_id_cache__fprintf_missing(missing_filename, force, stdout);
+ ret = build_id_cache__fprintf_missing(session, stdout);

if (update_name_list_str) {
list = strlist__new(true, update_name_list_str);
@@ -394,5 +397,9 @@ int cmd_buildid_cache(int argc, const char **argv,
build_id_cache__add_kcore(kcore_filename, debugdir, force))
pr_warning("Couldn't add %s\n", kcore_filename);

+out:
+ if (session)
+ perf_session__delete(session);
+
return ret;
}

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