From: Arnaldo Carvalho de Melo <[email protected]>

Like will be done with fcntl(fd, F_GETLEASE, F_RDLCK|F_WRLCK|F_UNLCK)

Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-trace.c       | 27 +++++++--------------------
 tools/perf/trace/beauty/beauty.h | 20 ++++++++++++++++++++
 2 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 65fa0126e939..0dedce0ca0bb 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -283,34 +283,21 @@ static struct perf_evsel *perf_evsel__syscall_newtp(const 
char *direction, void
        ({ struct syscall_tp *fields = evsel->priv; \
           fields->name.pointer(&fields->name, sample); })
 
-struct strarray {
-       int         offset;
-       int         nr_entries;
-       const char **entries;
-};
+size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const 
char *intfmt, int val)
+{
+       int idx = val - sa->offset;
 
-#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
-       .nr_entries = ARRAY_SIZE(array), \
-       .entries = array, \
-}
+       if (idx < 0 || idx >= sa->nr_entries)
+               return scnprintf(bf, size, intfmt, val);
 
-#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = 
{ \
-       .offset     = off, \
-       .nr_entries = ARRAY_SIZE(array), \
-       .entries = array, \
+       return scnprintf(bf, size, "%s", sa->entries[idx]);
 }
 
 static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size,
                                                const char *intfmt,
                                                struct syscall_arg *arg)
 {
-       struct strarray *sa = arg->parm;
-       int idx = arg->val - sa->offset;
-
-       if (idx < 0 || idx >= sa->nr_entries)
-               return scnprintf(bf, size, intfmt, arg->val);
-
-       return scnprintf(bf, size, "%s", sa->entries[idx]);
+       return strarray__scnprintf(arg->parm, bf, size, intfmt, arg->val);
 }
 
 static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index 9ccf0f323fe5..f75ef7d0b303 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -1,8 +1,28 @@
 #ifndef _PERF_TRACE_BEAUTY_H
 #define _PERF_TRACE_BEAUTY_H
 
+#include <linux/kernel.h>
 #include <linux/types.h>
 
+struct strarray {
+       int         offset;
+       int         nr_entries;
+       const char **entries;
+};
+
+#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
+       .nr_entries = ARRAY_SIZE(array), \
+       .entries = array, \
+}
+
+#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = 
{ \
+       .offset     = off, \
+       .nr_entries = ARRAY_SIZE(array), \
+       .entries = array, \
+}
+
+size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const 
char *intfmt, int val);
+
 struct trace;
 struct thread;
 
-- 
2.9.4

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