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