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 /*
25 * @test
26 * @summary Test checks output displayed with jstat -gc.
27 * Test scenario:
28 * test several times provokes garbage collection
29 * in the debuggee application
30 * and after each garbage collection runs jstat.
31 * jstat should show that after garbage collection
32 * number of GC events and garbage
33 * collection time increase.
34 * @modules java.base/jdk.internal.misc
35 * @library /test/lib/share/classes
36 * @library ../share
37 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
38 * @build common.*
39 * @build utils.*
40 *
41 * @run main/othervm -XX:+UsePerfData -Xmx128M GcTest01
42 */
43 import utils.*;
44
45 public class GcTest01 {
46
47 public static void main(String[] args) throws Exception {
48
49 // We will be running "jstat -gc" tool
50 JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
51
52 // Run once and get the results asserting that they are reasonable
53 JstatGcResults measurement1 = jstatGcTool.measure();
54 measurement1.assertConsistency();
55
56 GcProvoker gcProvoker = GcProvoker.createGcProvoker();
57
58 // Provoke GC then run the tool again and get the results
59 // asserting that they are reasonable
60 gcProvoker.provokeGc();
|
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 /*
25 * @test
26 * @summary Test checks output displayed with jstat -gc.
27 * Test scenario:
28 * test several times provokes garbage collection
29 * in the debuggee application
30 * and after each garbage collection runs jstat.
31 * jstat should show that after garbage collection
32 * number of GC events and garbage
33 * collection time increase.
34 * @modules java.base/jdk.internal.misc
35 * @library /test/lib
36 * @library ../share
37 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
38 * @run main/othervm -XX:+UsePerfData -Xmx128M GcTest01
39 */
40 import utils.*;
41
42 public class GcTest01 {
43
44 public static void main(String[] args) throws Exception {
45
46 // We will be running "jstat -gc" tool
47 JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
48
49 // Run once and get the results asserting that they are reasonable
50 JstatGcResults measurement1 = jstatGcTool.measure();
51 measurement1.assertConsistency();
52
53 GcProvoker gcProvoker = GcProvoker.createGcProvoker();
54
55 // Provoke GC then run the tool again and get the results
56 // asserting that they are reasonable
57 gcProvoker.provokeGc();
|