[tip:perf/core] perf probe: Increase debug level of SDT debug messages

From: tip-bot for Adrian Hunter
Date: Thu Sep 29 2016 - 14:16:07 EST


Commit-ID: f9655200ecd2d6cc13900a727150177b94ca229e
Gitweb: http://git.kernel.org/tip/f9655200ecd2d6cc13900a727150177b94ca229e
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Fri, 23 Sep 2016 17:38:40 +0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 29 Sep 2016 11:17:02 -0300

perf probe: Increase debug level of SDT debug messages

Two SDT debug messages can occur for every DSO which is too noisy.
Consequently, increase debug level of SDT messages.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1474641528-18776-9-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/build-id.c | 4 ++--
tools/perf/util/probe-file.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 5651f3c..e528c40 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -620,7 +620,7 @@ static int build_id_cache__add_sdt_cache(const char *sbuild_id,

ret = probe_cache__scan_sdt(cache, realname);
if (ret >= 0) {
- pr_debug("Found %d SDTs in %s\n", ret, realname);
+ pr_debug4("Found %d SDTs in %s\n", ret, realname);
if (probe_cache__commit(cache) < 0)
ret = -1;
}
@@ -691,7 +691,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name,

/* Update SDT cache : error is just warned */
if (build_id_cache__add_sdt_cache(sbuild_id, realname) < 0)
- pr_debug("Failed to update/scan SDT cache for %s\n", realname);
+ pr_debug4("Failed to update/scan SDT cache for %s\n", realname);

out_free:
if (!is_kallsyms)
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 6f931e4..436b647 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -699,7 +699,7 @@ int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname)
INIT_LIST_HEAD(&sdtlist);
ret = get_sdt_note_list(&sdtlist, pathname);
if (ret < 0) {
- pr_debug("Failed to get sdt note: %d\n", ret);
+ pr_debug4("Failed to get sdt note: %d\n", ret);
return ret;
}
list_for_each_entry(note, &sdtlist, note_list) {