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[Qemu-devel] [PATCH RFC v2 11/12] VMState test: cancel mechanism for an
From: |
Sanidhya Kashyap |
Subject: |
[Qemu-devel] [PATCH RFC v2 11/12] VMState test: cancel mechanism for an already running vmstate testing process |
Date: |
Fri, 25 Jul 2014 21:09:35 +0530 |
Signed-off-by: Sanidhya Kashyap <address@hidden>
---
qapi-schema.json | 9 +++++++++
qmp-commands.hx | 19 +++++++++++++++++++
savevm.c | 16 ++++++++++++++--
3 files changed, 42 insertions(+), 2 deletions(-)
diff --git a/qapi-schema.json b/qapi-schema.json
index 13e922e..91f1672 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3574,3 +3574,12 @@
##
{ 'command' : 'test-vmstates-set-period',
'data' : { 'period': 'int' } }
+
+##
+# @log-dirty-bitmap-cancel
+#
+# cancel the testing vmstates process
+#
+# Since 2.2
+##
+{ 'command': 'test-vmstates-cancel' }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 2f019b0..1035885 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -3865,3 +3865,22 @@ Example:
<- { "return": {} }
EQMP
+ {
+ .name = "test-vmstates-cancel",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_test_vmstates_cancel,
+ },
+
+SQMP
+test-vmstates-cancel
+--------------
+
+Cancel the current vmstate testing process.
+
+Arguments: None.
+
+Example:
+
+-> { "execute": "test-vmstates-cancel" }
+<- { "return": {} }
+EQMP
diff --git a/savevm.c b/savevm.c
index 8b75691..66597db 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1365,8 +1365,12 @@ static void vmstate_test_cb(void *opaque)
if (saved_vm_running) {
vm_start();
}
- timer_mod(v->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) +
- v->period);
+ if (v->active_state) {
+ timer_mod(v->timer, v->period +
+ qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
+ } else {
+ goto testing_end;
+ }
return;
}
@@ -1482,6 +1486,14 @@ void qmp_test_vmstates_set_period(int64_t period, Error
**errp)
v->period = period;
}
+void qmp_test_vmstates_cancel(Error **errp)
+{
+ VMStateLogState *v = vmstate_current_state();
+ if (v->active_state) {
+ v->active_state = false;
+ }
+}
+
void qmp_xen_save_devices_state(const char *filename, Error **errp)
{
QEMUFile *f;
--
1.9.3