[libvirt] [PATCH v2 29/53] [ACKED] vircgroup: introduce virCgroupV2GetMemoryStat
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 75 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 2255bbbef5..fcc42e3df1 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1050,6 +1050,80 @@ virCgroupV2SetMemory(virCgroupPtr group,
}
+static int
+virCgroupV2GetMemoryStat(virCgroupPtr group,
+ unsigned long long *cache,
+ unsigned long long *activeAnon,
+ unsigned long long *inactiveAnon,
+ unsigned long long *activeFile,
+ unsigned long long *inactiveFile,
+ unsigned long long *unevictable)
+{
+ VIR_AUTOFREE(char *) stat = NULL;
+ char *line = NULL;
+ unsigned long long cacheVal = 0;
+ unsigned long long activeAnonVal = 0;
+ unsigned long long inactiveAnonVal = 0;
+ unsigned long long activeFileVal = 0;
+ unsigned long long inactiveFileVal = 0;
+ unsigned long long unevictableVal = 0;
+
+ if (virCgroupGetValueStr(group,
+ VIR_CGROUP_CONTROLLER_MEMORY,
+ "memory.stat",
+ &stat) < 0) {
+ return -1;
+ }
+
+ line = stat;
+
+ while (line) {
+ char *newLine = strchr(line, '\n');
+ char *valueStr = strchr(line, ' ');
+ unsigned long long value;
+
+ if (newLine)
+ *newLine = '\0';
+
+ if (!valueStr) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Cannot parse 'memory.stat' cgroup
file."));
+ return -1;
+ }
+ *valueStr = '\0';
+
+ if (virStrToLong_ull(valueStr + 1, NULL, 10, &value) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unable to parse '%s' as an integer"),
+ valueStr + 1);
+ return -1;
+ }
+
+ if (STREQ(line, "file"))
+ cacheVal = value >> 10;
+ else if (STREQ(line, "active_anon"))
+ activeAnonVal = value >> 10;
+ else if (STREQ(line, "inactive_anon"))
+ inactiveAnonVal = value >> 10;
+ else if (STREQ(line, "active_file"))
+ activeFileVal = value >> 10;
+ else if (STREQ(line, "inactive_file"))
+ inactiveFileVal = value >> 10;
+ else if (STREQ(line, "unevictable"))
+ unevictableVal = value >> 10;
+ }
+
+ *cache = cacheVal;
+ *activeAnon = activeAnonVal;
+ *inactiveAnon = inactiveAnonVal;
+ *activeFile = activeFileVal;
+ *inactiveFile = inactiveFileVal;
+ *unevictable = unevictableVal;
+
+ return 0;
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1088,6 +1162,7 @@ virCgroupBackend virCgroupV2Backend = {
.getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps,
.setMemory = virCgroupV2SetMemory,
+ .getMemoryStat = virCgroupV2GetMemoryStat,
};
--
2.17.1