[PATCH 06/31] perf tools: Introduce perf_mem__lck_scnprintf function

From: Arnaldo Carvalho de Melo
Date: Wed Feb 24 2016 - 21:06:30 EST


From: Jiri Olsa <jolsa@xxxxxxxxxx>

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

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1456303616-26926-9-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 d03edc2ec607..9844e3e36c1d 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -217,3 +217,19 @@ 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 6efdd6fcdb01..99678b51c747 100644
--- a/tools/perf/util/mem-events.h
+++ b/tools/perf/util/mem-events.h
@@ -28,4 +28,6 @@ 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 2007c3b683f3..4175b2944ff9 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -795,19 +795,9 @@ 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);
}

--
2.5.0