summaryrefslogtreecommitdiff
path: root/block/accounting.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/accounting.c')
-rw-r--r--block/accounting.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/block/accounting.c b/block/accounting.c
index a9419315a3..05a5c5fdf3 100644
--- a/block/accounting.c
+++ b/block/accounting.c
@@ -25,14 +25,20 @@
#include "block/accounting.h"
#include "block/block_int.h"
#include "qemu/timer.h"
+#include "sysemu/qtest.h"
static QEMUClockType clock_type = QEMU_CLOCK_REALTIME;
+static const int qtest_latency_ns = NANOSECONDS_PER_SECOND / 1000;
void block_acct_init(BlockAcctStats *stats, bool account_invalid,
bool account_failed)
{
stats->account_invalid = account_invalid;
stats->account_failed = account_failed;
+
+ if (qtest_enabled()) {
+ clock_type = QEMU_CLOCK_VIRTUAL;
+ }
}
void block_acct_cleanup(BlockAcctStats *stats)
@@ -84,6 +90,10 @@ void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie)
int64_t time_ns = qemu_clock_get_ns(clock_type);
int64_t latency_ns = time_ns - cookie->start_time_ns;
+ if (qtest_enabled()) {
+ latency_ns = qtest_latency_ns;
+ }
+
assert(cookie->type < BLOCK_MAX_IOTYPE);
stats->nr_bytes[cookie->type] += cookie->bytes;
@@ -107,6 +117,10 @@ void block_acct_failed(BlockAcctStats *stats, BlockAcctCookie *cookie)
int64_t time_ns = qemu_clock_get_ns(clock_type);
int64_t latency_ns = time_ns - cookie->start_time_ns;
+ if (qtest_enabled()) {
+ latency_ns = qtest_latency_ns;
+ }
+
stats->total_time_ns[cookie->type] += latency_ns;
stats->last_access_time_ns = time_ns;