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体验新版 GitCode,发现更多精彩内容 >>
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26a90292
编写于
10月 02, 2013
作者:
E
ehelin
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4a085157
edb9d1d7
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1 changed file
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13 deletion
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-13
test/gc/metaspace/TestPerfCountersAndMemoryPools.java
test/gc/metaspace/TestPerfCountersAndMemoryPools.java
+13
-13
未找到文件。
test/gc/metaspace/TestPerfCountersAndMemoryPools.java
浏览文件 @
26a90292
...
@@ -29,10 +29,11 @@ import static com.oracle.java.testlibrary.Asserts.*;
...
@@ -29,10 +29,11 @@ import static com.oracle.java.testlibrary.Asserts.*;
/* @test TestPerfCountersAndMemoryPools
/* @test TestPerfCountersAndMemoryPools
* @bug 8023476
* @bug 8023476
* @library /testlibrary
* @summary Tests that a MemoryPoolMXBeans and PerfCounters for metaspace
* @summary Tests that a MemoryPoolMXBeans and PerfCounters for metaspace
* report the same data.
* report the same data.
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData
-Xint
TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData
-Xint
TestPerfCountersAndMemoryPools
*/
*/
public
class
TestPerfCountersAndMemoryPools
{
public
class
TestPerfCountersAndMemoryPools
{
public
static
void
main
(
String
[]
args
)
throws
Exception
{
public
static
void
main
(
String
[]
args
)
throws
Exception
{
...
@@ -43,11 +44,11 @@ public class TestPerfCountersAndMemoryPools {
...
@@ -43,11 +44,11 @@ public class TestPerfCountersAndMemoryPools {
}
}
}
}
private
static
Memory
Usage
getMemoryUsage
(
String
memoryPoolName
)
{
private
static
Memory
PoolMXBean
getMemoryPool
(
String
memoryPoolName
)
{
List
<
MemoryPoolMXBean
>
pools
=
ManagementFactory
.
getMemoryPoolMXBeans
();
List
<
MemoryPoolMXBean
>
pools
=
ManagementFactory
.
getMemoryPoolMXBeans
();
for
(
MemoryPoolMXBean
pool
:
pools
)
{
for
(
MemoryPoolMXBean
pool
:
pools
)
{
if
(
pool
.
getName
().
equals
(
memoryPoolName
))
{
if
(
pool
.
getName
().
equals
(
memoryPoolName
))
{
return
pool
.
getUsage
()
;
return
pool
;
}
}
}
}
...
@@ -57,19 +58,18 @@ public class TestPerfCountersAndMemoryPools {
...
@@ -57,19 +58,18 @@ public class TestPerfCountersAndMemoryPools {
private
static
void
checkMemoryUsage
(
String
memoryPoolName
,
String
perfNS
)
private
static
void
checkMemoryUsage
(
String
memoryPoolName
,
String
perfNS
)
throws
Exception
{
throws
Exception
{
// Need to do a gc before each comparison to update the perf counters
MemoryPoolMXBean
pool
=
getMemoryPool
(
memoryPoolName
);
// Must do a GC to update performance counters
System
.
gc
();
System
.
gc
();
MemoryUsage
mu
=
getMemoryUsage
(
memoryPoolName
);
assertEQ
(
getMinCapacity
(
perfNS
),
pool
.
getUsage
().
getInit
());
assertEQ
(
getMinCapacity
(
perfNS
),
mu
.
getInit
());
// Must do a second GC to update the perfomance counters again, since
// the call pool.getUsage().getInit() could have allocated some
// metadata.
System
.
gc
();
System
.
gc
();
mu
=
getMemoryUsage
(
memoryPoolName
);
assertEQ
(
getUsed
(
perfNS
),
pool
.
getUsage
().
getUsed
());
assertEQ
(
getUsed
(
perfNS
),
mu
.
getUsed
());
assertEQ
(
getCapacity
(
perfNS
),
pool
.
getUsage
().
getCommitted
());
System
.
gc
();
mu
=
getMemoryUsage
(
memoryPoolName
);
assertEQ
(
getCapacity
(
perfNS
),
mu
.
getCommitted
());
}
}
private
static
long
getMinCapacity
(
String
ns
)
throws
Exception
{
private
static
long
getMinCapacity
(
String
ns
)
throws
Exception
{
...
...
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