diff options
| -rw-r--r-- | test/Makefile | 9 | ||||
| -rw-r--r-- | test/cq-full.c | 86 | ||||
| -rw-r--r-- | test/sq-full.c | 41 |
3 files changed, 134 insertions, 2 deletions
diff --git a/test/Makefile b/test/Makefile index faf5fa6..63bf67a 100644 --- a/test/Makefile +++ b/test/Makefile @@ -1,12 +1,13 @@ CFLAGS ?= -g -O2 -Wall -D_GNU_SOURCE -L../src/ all_targets += io_uring-test io_uring-cp poll poll-cancel ring-leak fsync \ - io_uring_setup io_uring_register io_uring_enter nop + io_uring_setup io_uring_register io_uring_enter nop sq-full cq-full all: $(all_targets) test_srcs := io_uring-test.c io_uring-cp.c poll.c poll-cancel.c ring-leak.c \ - fsync.c io_uring_setup.c io_uring_register.c io_uring_enter.c nop.c + fsync.c io_uring_setup.c io_uring_register.c io_uring_enter.c nop.c \ + sq-full.c cq-full.c test_objs := $(patsubst %.c,%.ol,$(test_srcs)) @@ -30,6 +31,10 @@ io_uring_enter: io_uring_enter.c $(CC) $(CFLAGS) -o $@ io_uring_enter.c -luring nop: nop.c $(CC) $(CFLAGS) -o $@ nop.c -luring +sq-full: sq-full.c + $(CC) $(CFLAGS) -o $@ sq-full.c -luring +cq-full: cq-full.c + $(CC) $(CFLAGS) -o $@ cq-full.c -luring clean: rm -f $(all_targets) $(test_objs) diff --git a/test/cq-full.c b/test/cq-full.c new file mode 100644 index 0000000..426eb4a --- /dev/null +++ b/test/cq-full.c @@ -0,0 +1,86 @@ +/* + * Description: test CQ ring overflow + * + */ +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> + +#include "../src/liburing.h" + +static int queue_n_nops(struct io_uring *ring, int n) +{ + struct io_uring_sqe *sqe; + int i, ret; + + for (i = 0; i < n; i++) { + sqe = io_uring_get_sqe(ring); + if (!sqe) { + printf("get sqe failed\n"); + goto err; + } + + io_uring_prep_nop(sqe); + } + + ret = io_uring_submit(ring); + if (ret < n) { + printf("Submitted only %d\n", ret); + goto err; + } else if (ret < 0) { + printf("sqe submit failed: %d\n", ret); + goto err; + } + + return 0; +err: + return 1; +} + +int main(int argc, char *argv[]) +{ + struct io_uring_cqe *cqe; + struct io_uring ring; + int i, ret; + + ret = io_uring_queue_init(4, &ring, 0); + if (ret) { + printf("ring setup failed\n"); + return 1; + + } + + if (queue_n_nops(&ring, 4)) + goto err; + if (queue_n_nops(&ring, 4)) + goto err; + if (queue_n_nops(&ring, 4)) + goto err; + + i = 0; + do { + ret = io_uring_get_completion(&ring, &cqe); + if (ret < 0) { + printf("wait completion %d\n", ret); + goto err; + } + if (!cqe) + break; + i++; + } while (1); + + if (i != 8 || *ring.cq.koverflow != 4) { + printf("CQ overflow fail: %d completions, %u overflow\n", i, + *ring.cq.koverflow); + goto err; + } + + io_uring_queue_exit(&ring); + return 0; +err: + io_uring_queue_exit(&ring); + return 1; +} diff --git a/test/sq-full.c b/test/sq-full.c new file mode 100644 index 0000000..5bf7f72 --- /dev/null +++ b/test/sq-full.c @@ -0,0 +1,41 @@ +/* + * Description: test SQ queue full condition + * + */ +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> + +#include "../src/liburing.h" + +int main(int argc, char *argv[]) +{ + struct io_uring_sqe *sqe; + struct io_uring ring; + int ret, i; + + ret = io_uring_queue_init(8, &ring, 0); + if (ret) { + printf("ring setup failed\n"); + return 1; + + } + + i = 0; + while ((sqe = io_uring_get_sqe(&ring)) != NULL) + i++; + + if (i != 8) { + printf("Got %d SQEs\n", i); + goto err; + } + + io_uring_queue_exit(&ring); + return 0; +err: + io_uring_queue_exit(&ring); + return 1; +} |