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| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-03-21 08:18:52 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-03-21 17:37:37 +0100 |
| commit | ebf3c675d7e4ba97568dd6daaa43b1af10046b29 (patch) | |
| tree | de6437e78fabe644636cd18a12fba77ca4ece5df /tools/perf/util/trace-event-read.c | |
| parent | perf tools: Get rid of die() calls in trace-data-read.c (diff) | |
| download | linux-ebf3c675d7e4ba97568dd6daaa43b1af10046b29.tar.xz linux-ebf3c675d7e4ba97568dd6daaa43b1af10046b29.zip | |
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/util/trace-event-read.c')
| -rw-r--r-- | tools/perf/util/trace-event-read.c | 13 |
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 644ad3b4edec..af215c0d2379 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) { |