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cgroup: Add accessors for cpuset.memory_migrate

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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2015-03-11 11:15:29 +01:00
parent feeaad4fd5
commit ba1dfc5b6a
3 changed files with 47 additions and 2 deletions
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2
src/libvirt_private.syms
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@ -1137,6 +1137,7 @@ virCgroupGetCpuacctUsage;
virCgroupGetCpuCfsPeriod;
virCgroupGetCpuCfsQuota;
virCgroupGetCpusetCpus;
virCgroupGetCpusetMemoryMigrate;
virCgroupGetCpusetMems;
virCgroupGetCpuShares;
virCgroupGetDevicePermsString;
@ -1177,6 +1178,7 @@ virCgroupSetBlkioWeight;
virCgroupSetCpuCfsPeriod;
virCgroupSetCpuCfsQuota;
virCgroupSetCpusetCpus;
virCgroupSetCpusetMemoryMigrate;
virCgroupSetCpusetMems;
virCgroupSetCpuShares;
virCgroupSetFreezerState;

42
src/util/vircgroup.c
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@ -1,7 +1,7 @@
/*
* vircgroup.c: methods for managing control cgroups
*
* Copyright (C) 2010-2014 Red Hat, Inc.
* Copyright (C) 2010-2015 Red Hat, Inc.
* Copyright IBM Corp. 2008
*
* This library is free software; you can redistribute it and/or
@ -879,6 +879,7 @@ virCgroupCpuSetInherit(virCgroupPtr parent, virCgroupPtr group)
const char *inherit_values[] = {
"cpuset.cpus",
"cpuset.mems",
"cpuset.memory_migrate",
};
VIR_DEBUG("Setting up inheritance %s -> %s", parent->path, group->path);
@ -2677,6 +2678,45 @@ virCgroupGetCpusetMems(virCgroupPtr group, char **mems)
}
/**
* virCgroupSetCpusetMemoryMigrate:
*
* @group: The cgroup to set cpuset.memory_migrate for
* @migrate: Whether to migrate the memory on change or not
*
* Returns: 0 on success
*/
int
virCgroupSetCpusetMemoryMigrate(virCgroupPtr group, bool migrate)
{
return virCgroupSetValueStr(group,
VIR_CGROUP_CONTROLLER_CPUSET,
"cpuset.memory_migrate",
migrate ? "1" : "0");
}
/**
* virCgroupGetCpusetMemoryMigrate:
*
* @group: The cgroup to get cpuset.memory_migrate for
* @migrate: Migration setting
*
* Returns: 0 on success
*/
int
virCgroupGetCpusetMemoryMigrate(virCgroupPtr group, bool *migrate)
{
unsigned long long value = 0;
int ret = virCgroupGetValueU64(group,
VIR_CGROUP_CONTROLLER_CPUSET,
"cpuset.memory_migrate",
&value);
*migrate = !!value;
return ret;
}
/**
* virCgroupSetCpusetCpus:
*

5
src/util/vircgroup.h
View File

@ -1,7 +1,7 @@
/*
* vircgroup.h: methods for managing control cgroups
*
* Copyright (C) 2011-2014 Red Hat, Inc.
* Copyright (C) 2011-2015 Red Hat, Inc.
* Copyright IBM Corp. 2008
*
* This library is free software; you can redistribute it and/or
@ -251,6 +251,9 @@ int virCgroupGetFreezerState(virCgroupPtr group, char **state);
int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems);
int virCgroupGetCpusetMems(virCgroupPtr group, char **mems);
int virCgroupSetCpusetMemoryMigrate(virCgroupPtr group, bool migrate);
int virCgroupGetCpusetMemoryMigrate(virCgroupPtr group, bool *migrate);
int virCgroupSetCpusetCpus(virCgroupPtr group, const char *cpus);
int virCgroupGetCpusetCpus(virCgroupPtr group, char **cpus);