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Date: Tue, 26 May 2009 18:09:42 GMT
From: tip-bot for Ingo Molnar <mingo@elte.hu>
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Subject: [tip:perfcounters/core] perf report: add more debugging
Message-ID: <tip-f95f33e6d0e6ee55f8ed62f70e4febe23e4830dc@git.kernel.org>
Git-Commit-ID: f95f33e6d0e6ee55f8ed62f70e4febe23e4830dc
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Commit-ID:  f95f33e6d0e6ee55f8ed62f70e4febe23e4830dc
Gitweb:     http://git.kernel.org/tip/f95f33e6d0e6ee55f8ed62f70e4febe23e4830dc
Author:     Ingo Molnar <mingo@elte.hu>
AuthorDate: Tue, 26 May 2009 19:03:36 +0200
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 26 May 2009 19:03:36 +0200

perf report: add more debugging

Add the offset of the file we are analyzing.

In case of problems it's easier to see where the parser lost track.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
 Documentation/perf_counter/builtin-report.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 4b5ccc5..1b16f81 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -709,7 +709,8 @@ more:
 		uint64_t ip = event->ip.ip;
 
 		if (dump_trace) {
-			fprintf(stderr, "PERF_EVENT (IP, %d): %d: %p\n",
+			fprintf(stderr, "%p: PERF_EVENT (IP, %d): %d: %p\n",
+				(void *)(offset + head),
 				event->header.misc,
 				event->ip.pid,
 				(void *)event->ip.ip);
@@ -753,7 +754,8 @@ more:
 		struct map *map = map__new(&event->mmap);
 
 		if (dump_trace) {
-			fprintf(stderr, "PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n",
+			fprintf(stderr, "%p: PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n",
+				(void *)(offset + head),
 				(void *)event->mmap.start,
 				(void *)event->mmap.len,
 				(void *)event->mmap.pgoff,
@@ -771,7 +773,8 @@ more:
 		struct thread *thread = threads__findnew(event->comm.pid);
 
 		if (dump_trace) {
-			fprintf(stderr, "PERF_EVENT_COMM: %s:%d\n",
+			fprintf(stderr, "%p: PERF_EVENT_COMM: %s:%d\n",
+				(void *)(offset + head),
 				event->comm.comm, event->comm.pid);
 		}
 		if (thread == NULL ||
@@ -783,7 +786,8 @@ more:
 		break;
 	}
 	default: {
-		fprintf(stderr, "skipping unknown header type: %d\n",
+		fprintf(stderr, "%p: skipping unknown header type: %d\n",
+			(void *)(offset + head),
 			event->header.type);
 		total_unknown++;
 	}