[tip:perf/core] perf build-id: Move disable_buildid_cache() to util/build-id.c

From: tip-bot for Namhyung Kim
Date: Thu Nov 20 2014 - 02:37:39 EST


Commit-ID: 73c5d224b4514575abe0dd89b43adbde937429c3
Gitweb: http://git.kernel.org/tip/73c5d224b4514575abe0dd89b43adbde937429c3
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Fri, 7 Nov 2014 22:57:56 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 19 Nov 2014 12:33:46 -0300

perf build-id: Move disable_buildid_cache() to util/build-id.c

Also move static variable no_buildid_cache and check it in the
perf_session_cache_build_ids().

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Aravinda Prasad <aravinda@xxxxxxxxxxxxxxxxxx>
Cc: Brendan Gregg <brendan.d.gregg@xxxxxxxxx>
Cc: Hemant Kumar <hemant@xxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
Cc: Vasant Hegde <hegdevasant@xxxxxxxxxxxxxxxxxx>
Cc: systemtap@xxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1415368677-3794-1-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/build-id.c | 11 +++++++++++
tools/perf/util/build-id.h | 1 +
tools/perf/util/header.c | 10 +---------
tools/perf/util/util.h | 1 -
4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index dd2a3e5..e8d79e5 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -18,6 +18,9 @@
#include "header.h"
#include "vdso.h"

+
+static bool no_buildid_cache;
+
int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
@@ -251,6 +254,11 @@ int dsos__hit_all(struct perf_session *session)
return 0;
}

+void disable_buildid_cache(void)
+{
+ no_buildid_cache = true;
+}
+
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms, bool is_vdso)
{
@@ -404,6 +412,9 @@ int perf_session__cache_build_ids(struct perf_session *session)
int ret;
char debugdir[PATH_MAX];

+ if (no_buildid_cache)
+ return 0;
+
snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);

if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 666a3bd..8236319 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -25,5 +25,6 @@ int perf_session__cache_build_ids(struct perf_session *session);
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms, bool is_vdso);
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
+void disable_buildid_cache(void);

#endif
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 05fab7a..b20e40c 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -24,8 +24,6 @@
#include "build-id.h"
#include "data.h"

-static bool no_buildid_cache = false;
-
static u32 header_argc;
static const char **header_argv;

@@ -191,8 +189,7 @@ static int write_build_id(int fd, struct perf_header *h,
pr_debug("failed to write buildid table\n");
return err;
}
- if (!no_buildid_cache)
- perf_session__cache_build_ids(session);
+ perf_session__cache_build_ids(session);

return 0;
}
@@ -2791,8 +2788,3 @@ int perf_event__process_build_id(struct perf_tool *tool __maybe_unused,
session);
return 0;
}
-
-void disable_buildid_cache(void)
-{
- no_buildid_cache = true;
-}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 7dc44cf..76d23d8 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -154,7 +154,6 @@ extern void set_die_routine(void (*routine)(const char *err, va_list params) NOR

extern int prefixcmp(const char *str, const char *prefix);
extern void set_buildid_dir(void);
-extern void disable_buildid_cache(void);

static inline const char *skip_prefix(const char *str, const char *prefix)
{
--
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