perf util: Skip reading header_event file

It seems perf does not parse header_event file so we can skip it as we
do for header_page file.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
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/1370323231-14022-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 0dd9fbda88ebed59966c2c8b853a80e0131f4f47..fa45fca2a2d34f4401c68ceb60ad33208c407a91 100644 (file)
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -212,7 +212,6 @@ static int read_ftrace_printk(struct pevent *pevent)
 static int read_header_files(struct pevent *pevent)
 {
        unsigned long long size;
-       char *header_event;
        char buf[BUFSIZ];
        int ret = 0;
 
@@ -236,14 +235,8 @@ static int read_header_files(struct pevent *pevent)
        }
 
        size = read8(pevent);
-       header_event = malloc(size);
-       if (header_event == NULL)
-               return -1;
-
-       if (do_read(header_event, size) < 0)
-               ret = -1;
+       skip(size);
 
-       free(header_event);
        return ret;
 }