8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
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
25 #ifndef SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
26 #define SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
27
28 #include "jfr/recorder/jfrRecorder.hpp"
29 #include "jfr/leakprofiler/leakProfiler.hpp"
30 #include "jfr/leakprofiler/sampling/objectSampler.hpp"
31 #include "jfr/recorder/service/jfrOptionSet.hpp"
32 #include "runtime/vm_operations.hpp"
33
34 // Safepoint operation for starting leak profiler object sampler
35 class StartOperation : public VM_Operation {
36 private:
37 jlong _sample_count;
38 public:
39 StartOperation(jlong sample_count) :
40 _sample_count(sample_count) {
41 }
42
43 Mode evaluation_mode() const {
44 return _safepoint;
45 }
46
47 VMOp_Type type() const {
48 return VMOp_GC_HeapInspection;
49 }
50
51 virtual void doit() {
52 assert(!LeakProfiler::is_running(), "invariant");
53 jint queue_size = JfrOptionSet::old_object_queue_size();
54 LeakProfiler::set_object_sampler(new ObjectSampler(queue_size));
55 if (LogJFR && Verbose) tty->print_cr( "Object sampling started");
56 }
57 };
58
59 #endif // SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
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
25 #ifndef SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
26 #define SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
27
28 #include "jfr/leakprofiler/sampling/objectSampler.hpp"
29 #include "jfr/leakprofiler/utilities/vmOperation.hpp"
30
31 // Safepoint operation for creating and starting the leak profiler object sampler
32 class StartOperation : public OldObjectVMOperation {
33 private:
34 int _sample_count;
35 public:
36 StartOperation(int sample_count) : _sample_count(sample_count) {}
37 virtual void doit() {
38 ObjectSampler::create(_sample_count);
39 }
40 };
41
42 #endif // SHARE_VM_LEAKPROFILER_STARTOPERATION_HPP
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