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体验新版 GitCode,发现更多精彩内容 >>
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0cdd1ed9
编写于
10月 12, 2010
作者:
N
Nikunj A. Dadhania
提交者:
Daniel Veillard
10月 12, 2010
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电子邮件补丁
差异文件
Implement domainSetMemoryParamters for LXC
Add support in the lxc driver for various memory controllable parameters
上级
809e1430
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
98 addition
and
1 deletion
+98
-1
src/lxc/lxc_driver.c
src/lxc/lxc_driver.c
+98
-1
未找到文件。
src/lxc/lxc_driver.c
浏览文件 @
0cdd1ed9
...
...
@@ -677,6 +677,103 @@ cleanup:
return
ret
;
}
static
int
lxcDomainSetMemoryParameters
(
virDomainPtr
dom
,
virMemoryParameterPtr
params
,
int
nparams
,
unsigned
int
flags
ATTRIBUTE_UNUSED
)
{
lxc_driver_t
*
driver
=
dom
->
conn
->
privateData
;
int
i
;
virCgroupPtr
cgroup
=
NULL
;
virDomainObjPtr
vm
=
NULL
;
int
ret
=
-
1
;
lxcDriverLock
(
driver
);
vm
=
virDomainFindByUUID
(
&
driver
->
domains
,
dom
->
uuid
);
if
(
vm
==
NULL
)
{
char
uuidstr
[
VIR_UUID_STRING_BUFLEN
];
virUUIDFormat
(
dom
->
uuid
,
uuidstr
);
lxcError
(
VIR_ERR_NO_DOMAIN
,
_
(
"No domain with matching uuid '%s'"
),
uuidstr
);
goto
cleanup
;
}
if
(
virCgroupForDomain
(
driver
->
cgroup
,
vm
->
def
->
name
,
&
cgroup
,
0
)
!=
0
)
{
lxcError
(
VIR_ERR_INTERNAL_ERROR
,
_
(
"cannot find cgroup for domain %s"
),
vm
->
def
->
name
);
goto
cleanup
;
}
ret
=
0
;
for
(
i
=
0
;
i
<
nparams
;
i
++
)
{
virMemoryParameterPtr
param
=
&
params
[
i
];
if
(
STREQ
(
param
->
field
,
VIR_DOMAIN_MEMORY_HARD_LIMIT
))
{
int
rc
;
if
(
param
->
type
!=
VIR_DOMAIN_MEMORY_PARAM_ULLONG
)
{
lxcError
(
VIR_ERR_INVALID_ARG
,
"%s"
,
_
(
"invalid type for memory hard_limit tunable, expected a 'ullong'"
));
ret
=
-
1
;
continue
;
}
rc
=
virCgroupSetMemoryHardLimit
(
cgroup
,
params
[
i
].
value
.
ul
);
if
(
rc
!=
0
)
{
virReportSystemError
(
-
rc
,
"%s"
,
_
(
"unable to set memory hard_limit tunable"
));
ret
=
-
1
;
}
}
else
if
(
STREQ
(
param
->
field
,
VIR_DOMAIN_MEMORY_SOFT_LIMIT
))
{
int
rc
;
if
(
param
->
type
!=
VIR_DOMAIN_MEMORY_PARAM_ULLONG
)
{
lxcError
(
VIR_ERR_INVALID_ARG
,
"%s"
,
_
(
"invalid type for memory soft_limit tunable, expected a 'ullong'"
));
ret
=
-
1
;
continue
;
}
rc
=
virCgroupSetMemorySoftLimit
(
cgroup
,
params
[
i
].
value
.
ul
);
if
(
rc
!=
0
)
{
virReportSystemError
(
-
rc
,
"%s"
,
_
(
"unable to set memory soft_limit tunable"
));
ret
=
-
1
;
}
}
else
if
(
STREQ
(
param
->
field
,
VIR_DOMAIN_SWAP_HARD_LIMIT
))
{
int
rc
;
if
(
param
->
type
!=
VIR_DOMAIN_MEMORY_PARAM_ULLONG
)
{
lxcError
(
VIR_ERR_INVALID_ARG
,
"%s"
,
_
(
"invalid type for swap_hard_limit tunable, expected a 'ullong'"
));
ret
=
-
1
;
continue
;
}
rc
=
virCgroupSetSwapHardLimit
(
cgroup
,
params
[
i
].
value
.
ul
);
if
(
rc
!=
0
)
{
virReportSystemError
(
-
rc
,
"%s"
,
_
(
"unable to set swap_hard_limit tunable"
));
ret
=
-
1
;
}
}
else
if
(
STREQ
(
param
->
field
,
VIR_DOMAIN_MEMORY_MIN_GUARANTEE
))
{
lxcError
(
VIR_ERR_INVALID_ARG
,
_
(
"Memory tunable `%s' not implemented"
),
param
->
field
);
ret
=
-
1
;
}
else
{
lxcError
(
VIR_ERR_INVALID_ARG
,
_
(
"Parameter `%s' not supported"
),
param
->
field
);
ret
=
-
1
;
}
}
cleanup:
if
(
cgroup
)
virCgroupFree
(
&
cgroup
);
if
(
vm
)
virDomainObjUnlock
(
vm
);
lxcDriverUnlock
(
driver
);
return
ret
;
}
static
char
*
lxcDomainDumpXML
(
virDomainPtr
dom
,
int
flags
)
{
...
...
@@ -2620,7 +2717,7 @@ static virDriver lxcDriver = {
NULL
,
/* domainRevertToSnapshot */
NULL
,
/* domainSnapshotDelete */
NULL
,
/* qemuDomainMonitorCommand */
NULL
,
/* domainSetMemoryParameters */
lxcDomainSetMemoryParameters
,
/* domainSetMemoryParameters */
NULL
,
/* domainGetMemoryParameters */
};
...
...
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