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authorTejun Heo <tj@kernel.org>2015-08-18 14:54:56 -0700
committerJens Axboe <axboe@fb.com>2015-08-18 15:49:15 -0700
commit5634cc2aa9aebc77bc862992e7805469dcf83dac (patch)
treeb755b54562cf2df20679f0f823505aea2d48e2f4 /mm
parent9acee9c551f045d2c5b5261aa587331423fd7d92 (diff)
downloadtalos-op-linux-5634cc2aa9aebc77bc862992e7805469dcf83dac.tar.gz
talos-op-linux-5634cc2aa9aebc77bc862992e7805469dcf83dac.zip
writeback: update writeback tracepoints to report cgroup
The following tracepoints are updated to report the cgroup used during cgroup writeback. * writeback_write_inode[_start] * writeback_queue * writeback_exec * writeback_start * writeback_written * writeback_wait * writeback_nowork * writeback_wake_background * wbc_writepage * writeback_queue_io * bdi_dirty_ratelimit * balance_dirty_pages * writeback_sb_inodes_requeue * writeback_single_inode[_start] Note that writeback_bdi_register is separated out from writeback_class as reporting cgroup doesn't make sense to it. Tracepoints which take bdi are updated to take bdi_writeback instead. Signed-off-by: Tejun Heo <tj@kernel.org> Suggested-by: Jan Kara <jack@suse.cz> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/page-writeback.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 22cddd3e5de8..802beeb6b86b 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1289,7 +1289,7 @@ static void wb_update_dirty_ratelimit(struct dirty_throttle_control *dtc,
wb->dirty_ratelimit = max(dirty_ratelimit, 1UL);
wb->balanced_dirty_ratelimit = balanced_dirty_ratelimit;
- trace_bdi_dirty_ratelimit(wb->bdi, dirty_rate, task_ratelimit);
+ trace_bdi_dirty_ratelimit(wb, dirty_rate, task_ratelimit);
}
static void __wb_update_bandwidth(struct dirty_throttle_control *gdtc,
@@ -1683,7 +1683,7 @@ static void balance_dirty_pages(struct address_space *mapping,
* do a reset, as it may be a light dirtier.
*/
if (pause < min_pause) {
- trace_balance_dirty_pages(bdi,
+ trace_balance_dirty_pages(wb,
sdtc->thresh,
sdtc->bg_thresh,
sdtc->dirty,
@@ -1712,7 +1712,7 @@ static void balance_dirty_pages(struct address_space *mapping,
}
pause:
- trace_balance_dirty_pages(bdi,
+ trace_balance_dirty_pages(wb,
sdtc->thresh,
sdtc->bg_thresh,
sdtc->dirty,
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