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From 7b4215f8a38221fd90bf15a3ced42cce55adf105 Mon Sep 17 00:00:00 2001
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Message-Id: <7b4215f8a38221fd90bf15a3ced42cce55adf105@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:07:40 +0200
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Subject: [PATCH] vircgroup: introduce virCgroupV2GetMemoryStat
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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 d080c001660ed0f173066b3db63ecac4edb773fc)
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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: <9ebb30d0c01bdb6e356928701cd56501fe43af5e.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 | 75 ++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 75 insertions(+)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index 1b7215d98b..1c7854909f 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -1042,6 +1042,80 @@ virCgroupV2SetMemory(virCgroupPtr group,
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}
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+static int
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+virCgroupV2GetMemoryStat(virCgroupPtr group,
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+ unsigned long long *cache,
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+ unsigned long long *activeAnon,
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+ unsigned long long *inactiveAnon,
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+ unsigned long long *activeFile,
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+ unsigned long long *inactiveFile,
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+ unsigned long long *unevictable)
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+{
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+ VIR_AUTOFREE(char *) stat = NULL;
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+ char *line = NULL;
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+ unsigned long long cacheVal = 0;
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+ unsigned long long activeAnonVal = 0;
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+ unsigned long long inactiveAnonVal = 0;
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+ unsigned long long activeFileVal = 0;
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+ unsigned long long inactiveFileVal = 0;
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+ unsigned long long unevictableVal = 0;
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+
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+ if (virCgroupGetValueStr(group,
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+ VIR_CGROUP_CONTROLLER_MEMORY,
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+ "memory.stat",
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+ &stat) < 0) {
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+ return -1;
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+ }
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+
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+ line = stat;
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+
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+ while (line) {
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+ char *newLine = strchr(line, '\n');
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+ char *valueStr = strchr(line, ' ');
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+ unsigned long long value;
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+
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+ if (newLine)
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+ *newLine = '\0';
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+
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+ if (!valueStr) {
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+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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+ _("Cannot parse 'memory.stat' cgroup file."));
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+ return -1;
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+ }
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+ *valueStr = '\0';
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+
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+ if (virStrToLong_ull(valueStr + 1, NULL, 10, &value) < 0) {
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+ virReportError(VIR_ERR_INTERNAL_ERROR,
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+ _("Unable to parse '%s' as an integer"),
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+ valueStr + 1);
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+ return -1;
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+ }
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+
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+ if (STREQ(line, "file"))
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+ cacheVal = value >> 10;
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+ else if (STREQ(line, "active_anon"))
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+ activeAnonVal = value >> 10;
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+ else if (STREQ(line, "inactive_anon"))
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+ inactiveAnonVal = value >> 10;
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+ else if (STREQ(line, "active_file"))
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+ activeFileVal = value >> 10;
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+ else if (STREQ(line, "inactive_file"))
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+ inactiveFileVal = value >> 10;
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+ else if (STREQ(line, "unevictable"))
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+ unevictableVal = value >> 10;
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+ }
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+
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+ *cache = cacheVal;
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+ *activeAnon = activeAnonVal;
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+ *inactiveAnon = inactiveAnonVal;
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+ *activeFile = activeFileVal;
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+ *inactiveFile = inactiveFileVal;
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+ *unevictable = unevictableVal;
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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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@@ -1080,6 +1154,7 @@ virCgroupBackend virCgroupV2Backend = {
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.getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps,
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.setMemory = virCgroupV2SetMemory,
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+ .getMemoryStat = virCgroupV2GetMemoryStat,
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};
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--
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2.22.0
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