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authorNamhyung Kim <namhyung.kim@lge.com>2013-03-21 16:18:52 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-03-21 13:37:37 -0300
commitebf3c675d7e4ba97568dd6daaa43b1af10046b29 (patch)
treede6437e78fabe644636cd18a12fba77ca4ece5df /tools/perf
parent452958fdd05b43b6c91cfd1341f4fac2f3ce661f (diff)
downloadvexpress-lsk-ebf3c675d7e4ba97568dd6daaa43b1af10046b29.tar.gz
perf tools: Cleanup calc_data_size logic
It's for calculating whole trace data size during reading. However relation functions are called only in this file, no need to conditionalize it with tricky +1 offset and rename the variable to more meaningful name like trace_data_size. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1363850332-25297-10-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/trace-event-read.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 644ad3b4ede..af215c0d237 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -43,7 +43,7 @@ int file_bigendian;
int host_bigendian;
static int long_size;
-static ssize_t calc_data_size;
+static ssize_t trace_data_size;
static bool repipe;
static int __do_read(int fd, void *buf, int size)
@@ -83,8 +83,7 @@ static int do_read(void *data, int size)
return -1;
}
- if (calc_data_size)
- calc_data_size += r;
+ trace_data_size += r;
return r;
}
@@ -155,8 +154,7 @@ static char *read_string(void)
break;
}
- if (calc_data_size)
- calc_data_size += size;
+ trace_data_size += size;
str = malloc(size);
if (str)
@@ -356,9 +354,7 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
*ppevent = NULL;
- calc_data_size = 1;
repipe = __repipe;
-
input_fd = fd;
if (do_read(buf, 3) < 0)
@@ -417,8 +413,7 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
if (err)
goto out;
- size = calc_data_size - 1;
- calc_data_size = 0;
+ size = trace_data_size;
repipe = false;
if (show_funcs) {