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>

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index af215c0d2379bb1440e9bd43fd19ca09f0e6d50b..c6b491bcb8cd29a1845aa9162c43833d1872398e 100644 (file)
--- 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;