14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import utils.*;
25 /*
26 * @test
27 * @summary Test checks output displayed with jstat -gc.
28 * Test scenario:
29 * tests forces debuggee application eat ~70% of heap and runs jstat.
30 * jstat should show that ~70% of heap is utilized (OC/OU ~= 70%).
31 * @modules java.base/jdk.internal.misc
32 * @library /test/lib
33 * @library ../share
34 * @run main/othervm -XX:+UsePerfData -Xmx128M -XX:MaxMetaspaceSize=128M GcTest02
35 */
36
37 public class GcTest02 {
38
39 private final static float targetMemoryUsagePercent = 0.7f;
40
41 public static void main(String[] args) throws Exception {
42
43 // We will be running "jstat -gc" tool
44 JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
45
46 // Run once and get the results asserting that they are reasonable
47 JstatGcResults measurement1 = jstatGcTool.measure();
48 measurement1.assertConsistency();
49
50 GcProvoker gcProvoker = GcProvoker.createGcProvoker();
51
52 // Eat metaspace and heap then run the tool again and get the results asserting that they are reasonable
53 gcProvoker.eatMetaspaceAndHeap(targetMemoryUsagePercent);
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14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import utils.*;
25 /*
26 * @test
27 * @summary Test checks output displayed with jstat -gc.
28 * Test scenario:
29 * tests forces debuggee application eat ~70% of heap and runs jstat.
30 * jstat should show that ~70% of heap is utilized (OC/OU ~= 70%).
31 * @modules java.base/jdk.internal.misc
32 * @library /test/lib
33 * @library ../share
34 * @ignore 8168396
35 * @run main/othervm -XX:+UsePerfData -Xmx128M -XX:MaxMetaspaceSize=128M GcTest02
36 */
37
38 public class GcTest02 {
39
40 private final static float targetMemoryUsagePercent = 0.7f;
41
42 public static void main(String[] args) throws Exception {
43
44 // We will be running "jstat -gc" tool
45 JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
46
47 // Run once and get the results asserting that they are reasonable
48 JstatGcResults measurement1 = jstatGcTool.measure();
49 measurement1.assertConsistency();
50
51 GcProvoker gcProvoker = GcProvoker.createGcProvoker();
52
53 // Eat metaspace and heap then run the tool again and get the results asserting that they are reasonable
54 gcProvoker.eatMetaspaceAndHeap(targetMemoryUsagePercent);
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