linux-kernel - [PATCH 16/23] perf tools: Introduce perf_mem__lck

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1455525293-8671-17-git-send-email-jolsa@kernel.org>
Date:	Mon, 15 Feb 2016 09:34:46 +0100
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 16/23] perf tools: Introduce perf_mem__lck_scnprintf function

Move meminfo's lck display function into mem-events.c
object, so it could be reused later from script code.

Link: http://lkml.kernel.org/n/tip-qiwjnu0m6vzknv25t5ggund6@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/mem-events.c | 16 ++++++++++++++++
 tools/perf/util/mem-events.h |  2 ++
 tools/perf/util/sort.c       | 14 ++------------
 3 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index 1d57defe6ea7..915fae6ad3ee 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -251,3 +251,19 @@ void perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
 	if (*out == '\0')
 		strcpy(out, "N/A");
 }
+
+void perf_mem__lck_scnprintf(char *out, size_t sz __maybe_unused,
+			     struct mem_info *mem_info)
+{
+	u64 mask = PERF_MEM_LOCK_NA;
+
+	if (mem_info)
+		mask = mem_info->data_src.mem_lock;
+
+	if (mask & PERF_MEM_LOCK_NA)
+		strncat(out, "N/A", 3);
+	else if (mask & PERF_MEM_LOCK_LOCKED)
+		strncat(out, "Yes", 3);
+	else
+		strncat(out, "No", 2);
+}
diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h
index 7b9e172cfa72..0dd2efb37c44 100644
--- a/tools/perf/util/mem-events.h
+++ b/tools/perf/util/mem-events.h
@@ -48,5 +48,7 @@ struct mem_info;
 void perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
 void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
 void perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
+void perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
+
 #endif /* __PERF_MEM_EVENTS_H */
 
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index de936ce324b7..e9553738f2ce 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -800,19 +800,9 @@ sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
 static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
 				    size_t size, unsigned int width)
 {
-	const char *out;
-	u64 mask = PERF_MEM_LOCK_NA;
-
-	if (he->mem_info)
-		mask = he->mem_info->data_src.mem_lock;
-
-	if (mask & PERF_MEM_LOCK_NA)
-		out = "N/A";
-	else if (mask & PERF_MEM_LOCK_LOCKED)
-		out = "Yes";
-	else
-		out = "No";
+	char out[10];
 
+	perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
 	return repsep_snprintf(bf, size, "%.*s", width, out);
 }
 
-- 
2.4.3