diff options
| author | Sagi Grimberg <[email protected]> | 2020-06-18 17:30:23 -0700 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2020-07-08 16:16:18 +0200 |
| commit | 86f0348ace1510d7ac25124b096fb88a6ab45270 (patch) | |
| tree | 852edd5979aea8494b0f68d065fde21d66471986 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | 15ec928a65e0528ef4999e2947b4802b772f0891 (diff) | |
nvme-tcp: leverage request plugging
blk-mq request plugging can improve the execution of our pipeline.
When we queue a request we actually trigger our I/O worker thread
yielding a context switch by definition. However if we know that
there are more requests in the pipe that are coming, we are better
off not trigger our I/O worker and only do that for the last request
in the batch (bd->last). By having it, we improve efficiency by
amortizing context switches over a batch of requests.
Signed-off-by: Sagi Grimberg <[email protected]>
Tested-by: Mark Wunderlich <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions