perf util: Save page size in a trace file to pevent

We now have page_size field in struct pevent, save the actual size of
the system.

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/1370323231-14022-8-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index af215c0d2379..c6b491bcb8cd 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -349,6 +349,7 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
         int show_funcs = 0;
         int show_printk = 0;
         ssize_t size = -1;
+        int file_page_size;
         struct pevent *pevent;
         int err;
 
@@ -393,10 +394,12 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
                 goto out;
         long_size = buf[0];
 
-        page_size = read4(pevent);
-        if (!page_size)
+        file_page_size = read4(pevent);
+        if (!file_page_size)
                 goto out;
 
+        pevent_set_page_size(pevent, file_page_size);
+
         err = read_header_files(pevent);
         if (err)
                 goto out;