Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / tools / perf / builtin-diff.c

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index fca1d4402910ab13a6f7aa45299e31c0289cb27c..3153e492dbcc29e1593b6df29357424dd012da99 100644 (file)
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -30,12 +30,13 @@ static int hists__add_entry(struct hists *self,
        return -ENOMEM;
 }
 
-static int diff__process_sample_event(event_t *event, struct perf_session *session)
+static int diff__process_sample_event(event_t *event,
+                                     struct sample_data *sample,
+                                     struct perf_session *session)
 {
        struct addr_location al;
-       struct sample_data data = { .period = 1, };
 
-       if (event__preprocess_sample(event, session, &al, &data, NULL) < 0) {
+       if (event__preprocess_sample(event, session, &al, sample, NULL) < 0) {
                pr_warning("problem processing %d event, skipping it.\n",
                           event->header.type);
                return -1;
@@ -44,12 +45,12 @@ static int diff__process_sample_event(event_t *event, struct perf_session *sessi
        if (al.filtered || al.sym == NULL)
                return 0;
 
-       if (hists__add_entry(&session->hists, &al, data.period)) {
+       if (hists__add_entry(&session->hists, &al, sample->period)) {
                pr_warning("problem incrementing symbol period, skipping event\n");
                return -1;
        }
 
-       session->hists.stats.total_period += data.period;
+       session->hists.stats.total_period += sample->period;
        return 0;
 }
 
@@ -60,6 +61,8 @@ static struct perf_event_ops event_ops = {
        .exit   = event__process_task,
        .fork   = event__process_task,
        .lost   = event__process_lost,
+       .ordered_samples = true,
+       .ordering_requires_timestamps = true,
 };
 
 static void perf_session__insert_hist_entry_by_name(struct rb_root *root,
@@ -141,8 +144,8 @@ static int __cmd_diff(void)
        int ret, i;
        struct perf_session *session[2];
 
-       session[0] = perf_session__new(input_old, O_RDONLY, force, false);
-       session[1] = perf_session__new(input_new, O_RDONLY, force, false);
+       session[0] = perf_session__new(input_old, O_RDONLY, force, false, &event_ops);
+       session[1] = perf_session__new(input_new, O_RDONLY, force, false, &event_ops);
        if (session[0] == NULL || session[1] == NULL)
                return -ENOMEM;
 
@@ -173,7 +176,7 @@ static const char * const diff_usage[] = {
 static const struct option options[] = {
        OPT_INCR('v', "verbose", &verbose,
                    "be more verbose (show symbol address, etc)"),
-       OPT_BOOLEAN('m', "displacement", &show_displacement,
+       OPT_BOOLEAN('M', "displacement", &show_displacement,
                    "Show position displacement relative to baseline"),
        OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                    "dump raw trace in ASCII"),
@@ -191,6 +194,8 @@ static const struct option options[] = {
        OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
                   "separator for columns, no spaces will be added between "
                   "columns '.' is reserved."),
+       OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+                   "Look for files with symbols relative to this directory"),
        OPT_END()
 };