[libvirt] [PATCH v3 11/16] qemu: always get job condition on getting job stats

Nikolay Shirokovskiy posted 16 patches 8 years, 11 months ago
Only 15 patches received!
There is a newer version of this series
[libvirt] [PATCH v3 11/16] qemu: always get job condition on getting job stats
Posted by Nikolay Shirokovskiy 8 years, 11 months ago
Looks like it is more simple to drop this optimization as we are
going to add getting disks stats during migration via quering qemu
process and checking if we have to acquire job condition becomes
more complicate.
---
 src/qemu/qemu_driver.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index b592abe..bb7a64d 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12741,7 +12741,7 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
                               qemuDomainJobInfoPtr jobInfo)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    bool fetch = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_EVENT);
+    bool events = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_EVENT);
     int ret = -1;
 
     if (completed) {
@@ -12761,12 +12761,7 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
         return -1;
     }
 
-    /* Do not ask QEMU if migration is not even running yet  */
-    if (!priv->job.current ||
-        priv->job.current->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE)
-        fetch = false;
-
-    if (fetch && qemuDomainObjBeginJob(driver, vm, QEMU_JOB_QUERY) < 0)
+    if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_QUERY) < 0)
         return -1;
 
     if (!virDomainObjIsActive(vm)) {
@@ -12785,7 +12780,8 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
     if (jobInfo->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE ||
         jobInfo->status == QEMU_DOMAIN_JOB_STATUS_MIGRATING ||
         jobInfo->status == QEMU_DOMAIN_JOB_STATUS_POSTCOPY) {
-        if (fetch &&
+
+        if (events && jobInfo->status != QEMU_DOMAIN_JOB_STATUS_ACTIVE &&
             qemuMigrationFetchMigrationStats(driver, vm, QEMU_ASYNC_JOB_NONE,
                                              &jobInfo->stats, false) < 0)
             goto cleanup;
@@ -12797,8 +12793,7 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
     ret = 0;
 
  cleanup:
-    if (fetch)
-        qemuDomainObjEndJob(driver, vm);
+    qemuDomainObjEndJob(driver, vm);
     return ret;
 }
 
-- 
1.8.3.1

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