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authorJens Axboe <axboe@kernel.dk>2025-11-13 07:26:37 -0700
committerJens Axboe <axboe@kernel.dk>2025-11-13 07:26:37 -0700
commitecb8490b2f4393550a2651f547b7fa67490c4881 (patch)
treec69f0653ac93e87001227f545a2e0b7be76543f3 /io_uring/fdinfo.c
parent712fbe97c3322cb7a6ae1112e67a680e7ff1b206 (diff)
parent2d0e88f3fd1dcb37072d499c36162baf5b009d41 (diff)
Merge branch 'io_uring-6.18' into for-6.19/io_uring
Merge 6.18-rc io_uring fixes, as certain coming changes depend on some of these. * io_uring-6.18: io_uring/rsrc: don't use blk_rq_nr_phys_segments() as number of bvecs io_uring/query: return number of available queries io_uring/rw: ensure allocated iovec gets cleared for early failure io_uring: fix regbuf vector size truncation io_uring: fix types for region size calulation io_uring/zcrx: remove sync refill uapi io_uring: fix buffer auto-commit for multishot uring_cmd io_uring: correct __must_hold annotation in io_install_fixed_file io_uring zcrx: add MAINTAINERS entry io_uring: Fix code indentation error io_uring/sqpoll: be smarter on when to update the stime usage io_uring/sqpoll: switch away from getrusage() for CPU accounting io_uring: fix incorrect unlikely() usage in io_waitid_prep() Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/fdinfo.c')
-rw-r--r--io_uring/fdinfo.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c
index 7bc985bcc56d..a87d4e26eee8 100644
--- a/io_uring/fdinfo.c
+++ b/io_uring/fdinfo.c
@@ -61,7 +61,6 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m)
{
struct io_overflow_cqe *ocqe;
struct io_rings *r = ctx->rings;
- struct rusage sq_usage;
unsigned int sq_mask = ctx->sq_entries - 1, cq_mask = ctx->cq_entries - 1;
unsigned int sq_head = READ_ONCE(r->sq.head);
unsigned int sq_tail = READ_ONCE(r->sq.tail);
@@ -179,14 +178,15 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m)
* thread termination.
*/
if (tsk) {
+ u64 usec;
+
get_task_struct(tsk);
rcu_read_unlock();
- getrusage(tsk, RUSAGE_SELF, &sq_usage);
+ usec = io_sq_cpu_usec(tsk);
put_task_struct(tsk);
sq_pid = sq->task_pid;
sq_cpu = sq->sq_cpu;
- sq_total_time = (sq_usage.ru_stime.tv_sec * 1000000
- + sq_usage.ru_stime.tv_usec);
+ sq_total_time = usec;
sq_work_time = sq->work_time;
} else {
rcu_read_unlock();