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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-12-11 21:24:02 -0200
committerIngo Molnar <mingo@elte.hu>2009-12-12 07:42:12 +0100
commit94c744b6c0c6c5802a85ebfebbec429ac5851f2b (patch)
treee34dcaca54f1d7752ab1e7974bb73f94ff3cf94c /tools/perf/builtin-sched.c
parentea08d8cbd162fe3756e3e2298efbe0b8b12f92d1 (diff)
perf tools: Introduce perf_session class
That does all the initialization boilerplate, opening the file, reading the header, checking if it is valid, etc. And that will as well have the threads list, kmap (now) global variable, etc, so that we can handle two (or more) perf.data files describing sessions to compare. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260573842-19720-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-sched.c')
-rw-r--r--tools/perf/builtin-sched.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 7cca7c15b40..65021fe1361 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -6,6 +6,7 @@
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
+#include "util/session.h"
#include "util/parse-options.h"
#include "util/trace-event.h"
@@ -21,7 +22,6 @@
static char const *input_name = "perf.data";
-static struct perf_header *header;
static u64 sample_type;
static char default_sort_order[] = "avg, max, switch, runtime";
@@ -1663,11 +1663,18 @@ static struct perf_file_handler file_handler = {
static int read_events(void)
{
+ int err;
+ struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
+
+ if (session == NULL)
+ return -ENOMEM;
+
register_idle_thread();
register_perf_file_handler(&file_handler);
- return mmap_dispatch_perf_file(&header, input_name, 0, 0,
- &event__cwdlen, &event__cwd);
+ err = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
+ perf_session__delete(session);
+ return err;
}
static void print_bad_events(void)