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 <[email protected]> Cc Peter Crosthwaite <[email protected]> Cc: Richard Henderson <[email protected]> Signed-off-by: Cao jin <[email protected]> --- cpus.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/cpus.c b/cpus.c index d534f78..722f503 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; -- 2.1.0
