libvirt/SOURCES/libvirt-vircgroup-introduce-virCgroupV2HasEmptyTasks.patch
2021-09-10 11:57:18 +00:00

60 lines
1.7 KiB
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From 40a3ab5f35bb847ae210160b5bcb2b3ab8990e5a Mon Sep 17 00:00:00 2001
Message-Id: <40a3ab5f35bb847ae210160b5bcb2b3ab8990e5a@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:07:28 +0200
Subject: [PATCH] vircgroup: introduce virCgroupV2HasEmptyTasks
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 38411bb831a8c5086145b9781168349bc64fbc25)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <36bb2bd62faa6528de46da822d026f67be9f6d16.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroupv2.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 6ffb5ce786..074e6ec110 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -446,6 +446,22 @@ virCgroupV2AddTask(virCgroupPtr group,
}
+static int
+virCgroupV2HasEmptyTasks(virCgroupPtr cgroup,
+ int controller)
+{
+ int ret = -1;
+ VIR_AUTOFREE(char *) content = NULL;
+
+ ret = virCgroupGetValueStr(cgroup, controller, "cgroup.procs", &content);
+
+ if (ret == 0 && content[0] == '\0')
+ ret = 1;
+
+ return ret;
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -464,6 +480,7 @@ virCgroupBackend virCgroupV2Backend = {
.makeGroup = virCgroupV2MakeGroup,
.remove = virCgroupV2Remove,
.addTask = virCgroupV2AddTask,
+ .hasEmptyTasks = virCgroupV2HasEmptyTasks,
};
--
2.22.0