ping ?
On 2019/3/27 16:13, Christoph Hellwig wrote:
On Tue, Mar 26, 2019 at 09:19:25PM +0800, Yufen Yu wrote:
For now, we just trace plug for single queue device or drivers
provide .commit_rqs, and have not trace plug for multiple queues
device. But, unplug events will be recorded when call
blk_mq_flush_plug_list(). Then, trace events will be asymmetrical,
just have unplug and without plug.
This patch add trace plug and unplug for multiple queues device in
blk_mq_make_request(). After that, we can accurately trace plug and
unplug for multiple queues.
Signed-off-by: Yufen Yu <yuyufen@xxxxxxxxxx>
Looks good,
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
.
