diff options
author | Victor CLEMENT <victor.clement@openwide.fr> | 2015-05-29 17:14:06 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-06-05 17:10:00 +0200 |
commit | d7a0f71d9aac33e58d39fdbe4861d440af44fa8b (patch) | |
tree | 49d5f894556e14d0bfbc9355702f8912e19120c3 /cpus.c | |
parent | f1f4b57e88ff7c9cb20b074ff6106fd8f4397baa (diff) |
icount: print a warning if there is no more deadline in sleep=no mode
While qemu is running in sleep=no mode, a warning will be printed
when no timer deadline is set.
As this mode is intended for getting deterministic virtual time, if no
timer is set on the virtual clock this determinism is broken.
Signed-off-by: Victor CLEMENT <victor.clement@openwide.fr>
Message-Id: <1432912446-9811-4-git-send-email-victor.clement@openwide.fr>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'cpus.c')
-rw-r--r-- | cpus.c | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -419,6 +419,11 @@ void qemu_clock_warp(QEMUClockType type) clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT); deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL); if (deadline < 0) { + static bool notified; + if (!icount_sleep && !notified) { + error_report("WARNING: icount sleep disabled and no active timers"); + notified = true; + } return; } |