[PATCH v2 14/14] vircgroup: add virCgroupGetCpuPeriodQuota()

Daniel Henrique Barboza danielhb413 at gmail.com
Mon Feb 17 21:29:21 UTC 2020


Another vircgroup helper to avoid code repetition between
the LXC and QEMU driver.

Signed-off-by: Daniel Henrique Barboza <danielhb413 at gmail.com>
---
 src/libvirt_private.syms |  1 +
 src/lxc/lxc_driver.c     |  8 +-------
 src/qemu/qemu_driver.c   |  8 +-------
 src/util/vircgroup.c     | 14 ++++++++++++++
 src/util/vircgroup.h     |  2 ++
 5 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 679e32116c..4c6ad89ecc 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1692,6 +1692,7 @@ virCgroupGetCpuacctStat;
 virCgroupGetCpuacctUsage;
 virCgroupGetCpuCfsPeriod;
 virCgroupGetCpuCfsQuota;
+virCgroupGetCpuPeriodQuota;
 virCgroupGetCpusetCpus;
 virCgroupGetCpusetMemoryMigrate;
 virCgroupGetCpusetMems;
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index fc559d736a..b2e9bc3a46 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -1783,13 +1783,7 @@ static int
 lxcGetVcpuBWLive(virCgroupPtr cgroup, unsigned long long *period,
                  long long *quota)
 {
-    if (virCgroupGetCpuCfsPeriod(cgroup, period) < 0)
-        return -1;
-
-    if (virCgroupGetCpuCfsQuota(cgroup, quota) < 0)
-        return -1;
-
-    return 0;
+    return virCgroupGetCpuPeriodQuota(cgroup, period, quota);
 }
 
 
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index b65708385f..dda4bded08 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10532,13 +10532,7 @@ static int
 qemuGetVcpuBWLive(virCgroupPtr cgroup, unsigned long long *period,
                   long long *quota)
 {
-    if (virCgroupGetCpuCfsPeriod(cgroup, period) < 0)
-        return -1;
-
-    if (virCgroupGetCpuCfsQuota(cgroup, quota) < 0)
-        return -1;
-
-    return 0;
+    return virCgroupGetCpuPeriodQuota(cgroup, period, quota);
 }
 
 static int
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 1f853beb73..70d85200cb 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -3739,3 +3739,17 @@ virCgroupSetupCpuPeriodQuota(virCgroupPtr cgroup,
 
     return -1;
 }
+
+
+int
+virCgroupGetCpuPeriodQuota(virCgroupPtr cgroup, unsigned long long *period,
+                           long long *quota)
+{
+    if (virCgroupGetCpuCfsPeriod(cgroup, period) < 0)
+        return -1;
+
+    if (virCgroupGetCpuCfsQuota(cgroup, quota) < 0)
+        return -1;
+
+    return 0;
+}
diff --git a/src/util/vircgroup.h b/src/util/vircgroup.h
index cc53bae258..a5bd35586d 100644
--- a/src/util/vircgroup.h
+++ b/src/util/vircgroup.h
@@ -227,6 +227,8 @@ int virCgroupSetupCpuShares(virCgroupPtr cgroup, unsigned long long shares,
 
 int virCgroupSetCpuCfsPeriod(virCgroupPtr group, unsigned long long cfs_period);
 int virCgroupGetCpuCfsPeriod(virCgroupPtr group, unsigned long long *cfs_period);
+int virCgroupGetCpuPeriodQuota(virCgroupPtr cgroup, unsigned long long *period,
+                               long long *quota);
 int virCgroupSetupCpuPeriodQuota(virCgroupPtr cgroup, unsigned long long period,
                                  long long quota);
 
-- 
2.24.1





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