diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/Makefile | 3 | ||||
| -rw-r--r-- | tests/qemu-iotests/067.out | 5 | ||||
| -rw-r--r-- | tests/test-write-threshold.c | 119 |
3 files changed, 127 insertions, 0 deletions
diff --git a/tests/Makefile b/tests/Makefile index 5caccf765a..d5df16882d 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -68,6 +68,8 @@ check-unit-y += tests/check-qom-interface$(EXESUF) gcov-files-check-qom-interface-y = qom/object.c check-unit-y += tests/test-qemu-opts$(EXESUF) gcov-files-test-qemu-opts-y = qom/test-qemu-opts.c +check-unit-y += tests/test-write-threshold$(EXESUF) +gcov-files-test-write-threshold-y = block/write-threshold.c check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh @@ -360,6 +362,7 @@ tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o $(libqos-usb-obj-y) tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o qemu-timer.o $(qtest-obj-y) tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_helper.o tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o libqemuutil.a libqemustub.a +tests/test-write-threshold$(EXESUF): tests/test-write-threshold.o $(block-obj-y) libqemuutil.a libqemustub.a ifeq ($(CONFIG_POSIX),y) LIBS += -lutil diff --git a/tests/qemu-iotests/067.out b/tests/qemu-iotests/067.out index 13ff3cd7aa..00b3eaefc7 100644 --- a/tests/qemu-iotests/067.out +++ b/tests/qemu-iotests/067.out @@ -43,6 +43,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti "drv": "qcow2", "iops": 0, "bps_wr": 0, + "write_threshold": 0, "encrypted": false, "bps": 0, "bps_rd": 0, @@ -218,6 +219,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk "drv": "qcow2", "iops": 0, "bps_wr": 0, + "write_threshold": 0, "encrypted": false, "bps": 0, "bps_rd": 0, @@ -423,6 +425,7 @@ Testing: "drv": "qcow2", "iops": 0, "bps_wr": 0, + "write_threshold": 0, "encrypted": false, "bps": 0, "bps_rd": 0, @@ -607,6 +610,7 @@ Testing: "drv": "qcow2", "iops": 0, "bps_wr": 0, + "write_threshold": 0, "encrypted": false, "bps": 0, "bps_rd": 0, @@ -717,6 +721,7 @@ Testing: "drv": "qcow2", "iops": 0, "bps_wr": 0, + "write_threshold": 0, "encrypted": false, "bps": 0, "bps_rd": 0, diff --git a/tests/test-write-threshold.c b/tests/test-write-threshold.c new file mode 100644 index 0000000000..faffa7b855 --- /dev/null +++ b/tests/test-write-threshold.c @@ -0,0 +1,119 @@ +/* + * Test block device write threshold + * + * This work is licensed under the terms of the GNU LGPL, version 2 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#include <glib.h> +#include <stdint.h> +#include "block/block_int.h" +#include "block/write-threshold.h" + + +static void test_threshold_not_set_on_init(void) +{ + uint64_t res; + BlockDriverState bs; + memset(&bs, 0, sizeof(bs)); + + g_assert(!bdrv_write_threshold_is_set(&bs)); + + res = bdrv_write_threshold_get(&bs); + g_assert_cmpint(res, ==, 0); +} + +static void test_threshold_set_get(void) +{ + uint64_t threshold = 4 * 1024 * 1024; + uint64_t res; + BlockDriverState bs; + memset(&bs, 0, sizeof(bs)); + + bdrv_write_threshold_set(&bs, threshold); + + g_assert(bdrv_write_threshold_is_set(&bs)); + + res = bdrv_write_threshold_get(&bs); + g_assert_cmpint(res, ==, threshold); +} + +static void test_threshold_multi_set_get(void) +{ + uint64_t threshold1 = 4 * 1024 * 1024; + uint64_t threshold2 = 15 * 1024 * 1024; + uint64_t res; + BlockDriverState bs; + memset(&bs, 0, sizeof(bs)); + + bdrv_write_threshold_set(&bs, threshold1); + bdrv_write_threshold_set(&bs, threshold2); + res = bdrv_write_threshold_get(&bs); + g_assert_cmpint(res, ==, threshold2); +} + +static void test_threshold_not_trigger(void) +{ + uint64_t amount = 0; + uint64_t threshold = 4 * 1024 * 1024; + BlockDriverState bs; + BdrvTrackedRequest req; + + memset(&bs, 0, sizeof(bs)); + memset(&req, 0, sizeof(req)); + req.offset = 1024; + req.bytes = 1024; + + bdrv_write_threshold_set(&bs, threshold); + amount = bdrv_write_threshold_exceeded(&bs, &req); + g_assert_cmpuint(amount, ==, 0); +} + + +static void test_threshold_trigger(void) +{ + uint64_t amount = 0; + uint64_t threshold = 4 * 1024 * 1024; + BlockDriverState bs; + BdrvTrackedRequest req; + + memset(&bs, 0, sizeof(bs)); + memset(&req, 0, sizeof(req)); + req.offset = (4 * 1024 * 1024) - 1024; + req.bytes = 2 * 1024; + + bdrv_write_threshold_set(&bs, threshold); + amount = bdrv_write_threshold_exceeded(&bs, &req); + g_assert_cmpuint(amount, >=, 1024); +} + +typedef struct TestStruct { + const char *name; + void (*func)(void); +} TestStruct; + + +int main(int argc, char **argv) +{ + size_t i; + TestStruct tests[] = { + { "/write-threshold/not-set-on-init", + test_threshold_not_set_on_init }, + { "/write-threshold/set-get", + test_threshold_set_get }, + { "/write-threshold/multi-set-get", + test_threshold_multi_set_get }, + { "/write-threshold/not-trigger", + test_threshold_not_trigger }, + { "/write-threshold/trigger", + test_threshold_trigger }, + { NULL, NULL } + }; + + g_test_init(&argc, &argv, NULL); + for (i = 0; tests[i].name != NULL; i++) { + g_test_add_func(tests[i].name, tests[i].func); + } + return g_test_run(); +} |