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| author |   Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
| commit | 72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch) | |
| tree | 4c67be6c73356086ff44ef1b8b1c9479702689ca /kernel/trace | |
| parent | Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy into for-3.6/drivers (diff) | |
| parent | drbd: announce FLUSH/FUA capability to upper layers (diff) | |
| download | wireguard-linux-72ea1f74fcdf874cca6d2c0962379523bbd99e2c.tar.xz wireguard-linux-72ea1f74fcdf874cca6d2c0962379523bbd99e2c.zip | |
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.c | 6 | ||||
| -rw-r--r-- | kernel/trace/trace.c | 2 |
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) rb_init_page(bpage->page); INIT_LIST_HEAD(&cpu_buffer->reader_page->list); + INIT_LIST_HEAD(&cpu_buffer->new_pages); ret = rb_allocate_pages(cpu_buffer, nr_pages); if (ret < 0) @@ -1346,10 +1347,9 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) * If something was added to this page, it was full * since it is not the tail page. So we deduct the * bytes consumed in ring buffer from here. - * No need to update overruns, since this page is - * deleted from ring buffer and its entries are - * already accounted for. + * Increment overrun to account for the lost events. */ + local_add(page_entries, &cpu_buffer->overrun); local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); } 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); void tracing_off(void) { if (global_trace.buffer) - ring_buffer_record_on(global_trace.buffer); + ring_buffer_record_off(global_trace.buffer); /* * This flag is only looked at when buffers haven't been * allocated yet. We don't really care about the race |