libvirt/SOURCES/libvirt-vircgroup-introduce...

59 lines
1.7 KiB
Diff

From 59084112841259e4ff74bde8ad7ebf32280fdcca Mon Sep 17 00:00:00 2001
Message-Id: <59084112841259e4ff74bde8ad7ebf32280fdcca@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:07:49 +0200
Subject: [PATCH] vircgroup: introduce virCgroupV2SupportsCpuBW
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 5a4d90ae6af6ea5dd1bb6ae5e3fec7307a5f1257)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <e0f39a4ebc452685be49eaea66266fef5921c989.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroupv2.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index a0a7e55493..55f79af204 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1441,6 +1441,21 @@ virCgroupV2GetCpuCfsQuota(virCgroupPtr group,
}
+static bool
+virCgroupV2SupportsCpuBW(virCgroupPtr cgroup)
+{
+ VIR_AUTOFREE(char *) path = NULL;
+
+ if (virCgroupV2PathOfController(cgroup, VIR_CGROUP_CONTROLLER_CPU,
+ "cpu.max", &path) < 0) {
+ virResetLastError();
+ return false;
+ }
+
+ return virFileExists(path);
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1495,6 +1510,7 @@ virCgroupBackend virCgroupV2Backend = {
.getCpuCfsPeriod = virCgroupV2GetCpuCfsPeriod,
.setCpuCfsQuota = virCgroupV2SetCpuCfsQuota,
.getCpuCfsQuota = virCgroupV2GetCpuCfsQuota,
+ .supportsCpuBW = virCgroupV2SupportsCpuBW,
};
--
2.22.0