Commit-ID: 736cbecc4247e2f8277c6cd404942a8b45331036
Gitweb: http://git.kernel.org/tip/736cbecc4247e2f8277c6cd404942a8b45331036
Author: Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 7 Dec 2009 12:34:43 +0900
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 7 Dec 2009 08:23:47 +0100
perf tools: Add __data_loc support
This patch is required to test the next patch for perf lock.
At 064739bc4b3d7f424b2f25547e6611bcf0132415 ,
support for the modifier "__data_loc" of format is added.
But, when I wanted to parse format of lock_acquired (or some
event else), raw_field_ptr() did not returned correct pointer.
So I modified raw_field_ptr() like this patch. Then
raw_field_ptr() works well.
Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
Cc: Steven Rostedt <srostedt@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
tools/perf/util/trace-event-parse.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 6ffe9d6..be2af73 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1925,6 +1925,13 @@ void *raw_field_ptr(struct event *event, const char *name, void *data)
if (!field)
return NULL;
+ if (field->flags & FIELD_IS_STRING) {
+ int offset;
+ offset = *(int *)(data + field->offset);
+ offset &= 0xffff;
+ return data + offset;
+ }
+
return data + field->offset;
}
--
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