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authorJens Axboe <axboe@kernel.dk>2012-07-30 03:03:10 -0400
committerJens Axboe <axboe@kernel.dk>2012-07-30 03:03:10 -0400
commit72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch)
tree4c67be6c73356086ff44ef1b8b1c9479702689ca /kernel/trace
parentb1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff)
parenta73ff3231df59a4b92ccd0dd4e73897c5822489b (diff)
Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-3.6/drivers
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/ring_buffer.c6
-rw-r--r--kernel/trace/trace.c2
2 files changed, 4 insertions, 4 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 1d0f6a8a0e5e..f765465bffe4 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1075,6 +1075,7 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu)
1075 rb_init_page(bpage->page); 1075 rb_init_page(bpage->page);
1076 1076
1077 INIT_LIST_HEAD(&cpu_buffer->reader_page->list); 1077 INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
1078 INIT_LIST_HEAD(&cpu_buffer->new_pages);
1078 1079
1079 ret = rb_allocate_pages(cpu_buffer, nr_pages); 1080 ret = rb_allocate_pages(cpu_buffer, nr_pages);
1080 if (ret < 0) 1081 if (ret < 0)
@@ -1346,10 +1347,9 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
1346 * If something was added to this page, it was full 1347 * If something was added to this page, it was full
1347 * since it is not the tail page. So we deduct the 1348 * since it is not the tail page. So we deduct the
1348 * bytes consumed in ring buffer from here. 1349 * bytes consumed in ring buffer from here.
1349 * No need to update overruns, since this page is 1350 * Increment overrun to account for the lost events.
1350 * deleted from ring buffer and its entries are
1351 * already accounted for.
1352 */ 1351 */
1352 local_add(page_entries, &cpu_buffer->overrun);
1353 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); 1353 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
1354 } 1354 }
1355 1355
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 288488082224..a7fa0702be1c 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -371,7 +371,7 @@ EXPORT_SYMBOL_GPL(tracing_on);
371void tracing_off(void) 371void tracing_off(void)
372{ 372{
373 if (global_trace.buffer) 373 if (global_trace.buffer)
374 ring_buffer_record_on(global_trace.buffer); 374 ring_buffer_record_off(global_trace.buffer);
375 /* 375 /*
376 * This flag is only looked at when buffers haven't been 376 * This flag is only looked at when buffers haven't been
377 * allocated yet. We don't really care about the race 377 * allocated yet. We don't really care about the race