diff mbox series

[2/3] fsstress: reduce the number of events when io_setup

Message ID 20200715160755.14392-3-zlang@redhat.com (mailing list archive)
State New, archived
Headers show
Series fsstress: add io_uring test and do some fix | expand

Commit Message

Zorro Lang July 15, 2020, 4:07 p.m. UTC 
The original number(128) of aio events for io_setup is a little big.
When try to run lots of fsstress processes(e.g. -p 1000) always hit
io_setup EAGAIN error, due to the nr_events exceeds the limit of
available events. So reduce it from 128 to 64, to make more fsstress
processes can do AIO test.

Signed-off-by: Zorro Lang <zlang@redhat.com>
---
 ltp/fsstress.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/ltp/fsstress.c b/ltp/fsstress.c
index 388ace50..a11206d4 100644
--- a/ltp/fsstress.c
+++ b/ltp/fsstress.c
@@ -28,6 +28,7 @@ 
 #endif
 #ifdef AIO
 #include <libaio.h>
+#define AIO_ENTRIES	64
 io_context_t	io_ctx;
 #endif
 #ifdef URING
@@ -699,8 +700,8 @@  int main(int argc, char **argv)
 			}
 			procid = i;
 #ifdef AIO
-			if (io_setup(128, &io_ctx) != 0) {
-				fprintf(stderr, "io_setup failed");
+			if (io_setup(AIO_ENTRIES, &io_ctx) != 0) {
+				fprintf(stderr, "io_setup failed\n");
 				exit(1);
 			}
 #endif
@@ -714,7 +715,7 @@  int main(int argc, char **argv)
 				doproc();
 #ifdef AIO
 			if(io_destroy(io_ctx) != 0) {
-				fprintf(stderr, "io_destroy failed");
+				fprintf(stderr, "io_destroy failed\n");
 				return 1;
 			}
 #endif