mirror of https://gitee.com/openkylin/qemu.git
119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/*
|
|
* 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 "qemu/osdep.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();
|
|
}
|