From: Cao jin <caoj.f...@cn.fujitsu.com>
The returned value of cpu_get_clock() is plused with the offset,
so it is the time elapsed in virtual machine when vm is active.
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc Peter Crosthwaite <crosthwaite.pe...@gmail.com>
Cc: Richard Henderson <r...@twiddle.net>
Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com>
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
---
cpus.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/cpus.c b/cpus.c
index a70b536..5d5e374 100644
--- a/cpus.c
+++ b/cpus.c
@@ -191,7 +191,7 @@ int64_t cpu_icount_to_ns(int64_t icount)
return icount << icount_time_shift;
}
-/* return the host CPU cycle counter and handle stop/restart */
+/* return the host CPU cycle counter */
/* Caller must hold the BQL */
int64_t cpu_get_ticks(void)
{
@@ -229,7 +229,8 @@ static int64_t cpu_get_clock_locked(void)
return time;
}
-/* return the host CPU monotonic time */
+/* Return the monotonic time elapsed in VM, i.e.,
+ * the time between vm_start and vm_stop */
int64_t cpu_get_clock(void)
{
int64_t ti;
--
2.1.4
