diff options
Diffstat (limited to 'io_uring/sqpoll.c')
| -rw-r--r-- | io_uring/sqpoll.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c index 82672eaaee81..363052b4ea76 100644 --- a/io_uring/sqpoll.c +++ b/io_uring/sqpoll.c @@ -253,11 +253,23 @@ static bool io_sq_tw_pending(struct llist_node *retry_list) return retry_list || !llist_empty(&tctx->task_list); } +static void io_sq_update_worktime(struct io_sq_data *sqd, struct rusage *start) +{ + struct rusage end; + + getrusage(current, RUSAGE_SELF, &end); + end.ru_stime.tv_sec -= start->ru_stime.tv_sec; + end.ru_stime.tv_usec -= start->ru_stime.tv_usec; + + sqd->work_time += end.ru_stime.tv_usec + end.ru_stime.tv_sec * 1000000; +} + static int io_sq_thread(void *data) { struct llist_node *retry_list = NULL; struct io_sq_data *sqd = data; struct io_ring_ctx *ctx; + struct rusage start; unsigned long timeout = 0; char buf[TASK_COMM_LEN]; DEFINE_WAIT(wait); @@ -286,6 +298,7 @@ static int io_sq_thread(void *data) } cap_entries = !list_is_singular(&sqd->ctx_list); + getrusage(current, RUSAGE_SELF, &start); list_for_each_entry(ctx, &sqd->ctx_list, sqd_list) { int ret = __io_sq_thread(ctx, cap_entries); @@ -296,8 +309,10 @@ static int io_sq_thread(void *data) sqt_spin = true; if (sqt_spin || !time_after(jiffies, timeout)) { - if (sqt_spin) + if (sqt_spin) { + io_sq_update_worktime(sqd, &start); timeout = jiffies + sqd->sq_thread_idle; + } if (unlikely(need_resched())) { mutex_unlock(&sqd->lock); cond_resched(); |