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

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Date:   Thu, 29 Sep 2016 11:15:45 -0700
From:   tip-bot for Adrian Hunter <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     acme@...hat.com, hpa@...or.com, mhiramat@...nel.org,
        mingo@...nel.org, adrian.hunter@...el.com,
        mathieu.poirier@...aro.org, jolsa@...hat.com,
        linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: [tip:perf/core] perf probe: Increase debug level of SDT debug
 messages

Commit-ID:  f9655200ecd2d6cc13900a727150177b94ca229e
Gitweb:     http://git.kernel.org/tip/f9655200ecd2d6cc13900a727150177b94ca229e
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Fri, 23 Sep 2016 17:38:40 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
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@...el.com>
Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Link: http://lkml.kernel.org/r/1474641528-18776-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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) {