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From d54383e93c3d3a71008d4b3a48b4dafba2368609 Mon Sep 17 00:00:00 2001
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Message-Id: <d54383e93c3d3a71008d4b3a48b4dafba2368609@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:07:51 +0200
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Subject: [PATCH] vircgroup: introduce virCgroupV2GetCpuacctStat
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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 4d1d5c92bdefc38bc68bde5f9bd2dbd3c11bff2a)
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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: <62365d349154035cfab2115d66430dcf3c7bdd03.1561993100.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 | 49 ++++++++++++++++++++++++++++++++++++++++++
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 1 file changed, 49 insertions(+)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index afa243b3c7..d6362e2b05 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -1487,6 +1487,54 @@ virCgroupV2GetCpuacctUsage(virCgroupPtr group,
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 }
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+static int
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+virCgroupV2GetCpuacctStat(virCgroupPtr group,
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+                          unsigned long long *user,
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+                          unsigned long long *sys)
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+{
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+    VIR_AUTOFREE(char *) str = NULL;
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+    char *tmp;
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+    unsigned long long userVal = 0;
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+    unsigned long long sysVal = 0;
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+
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+    if (virCgroupGetValueStr(group, VIR_CGROUP_CONTROLLER_CPUACCT,
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+                             "cpu.stat", &str) < 0) {
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+        return -1;
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+    }
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+
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+    if (!(tmp = strstr(str, "user_usec "))) {
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+        virReportError(VIR_ERR_INTERNAL_ERROR,
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+                       _("cannot parse cpu user stat '%s'"), str);
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+        return -1;
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+    }
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+    tmp += strlen("user_usec ");
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+
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+    if (virStrToLong_ull(tmp, &tmp, 10, &userVal) < 0) {
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+        virReportError(VIR_ERR_INTERNAL_ERROR,
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+                       _("Failed to parse value '%s' as number."), tmp);
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+        return -1;
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+    }
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+
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+    if (!(tmp = strstr(str, "system_usec "))) {
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+        virReportError(VIR_ERR_INTERNAL_ERROR,
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+                       _("cannot parse cpu sys stat '%s'"), str);
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+        return -1;
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+    }
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+    tmp += strlen("system_usec ");
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+
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+    if (virStrToLong_ull(tmp, &tmp, 10, &sysVal) < 0) {
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+        virReportError(VIR_ERR_INTERNAL_ERROR,
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+                       _("Failed to parse value '%s' as number."), tmp);
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+        return -1;
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+    }
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+
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+    *user = userVal * 1000;
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+    *sys = sysVal * 1000;
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+
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+    return 0;
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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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@@ -1544,6 +1592,7 @@ virCgroupBackend virCgroupV2Backend = {
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     .supportsCpuBW = virCgroupV2SupportsCpuBW,
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     .getCpuacctUsage = virCgroupV2GetCpuacctUsage,
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+    .getCpuacctStat = virCgroupV2GetCpuacctStat,
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 };
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-- 
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2.22.0
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