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_GC_SHARED_GCTRACE_HPP
26 #define SHARE_VM_GC_SHARED_GCTRACE_HPP
27
28 #include "gc/shared/copyFailedInfo.hpp"
29 #include "gc/shared/gcCause.hpp"
30 #include "gc/shared/gcId.hpp"
31 #include "gc/shared/gcName.hpp"
32 #include "gc/shared/gcWhen.hpp"
33 #include "memory/metaspace.hpp"
34 #include "memory/referenceType.hpp"
35 #include "utilities/macros.hpp"
36 #include "utilities/ticks.hpp"
37 #if INCLUDE_ALL_GCS
38 #include "gc/g1/g1YCTypes.hpp"
39 #endif
40
41 class EvacuationInfo;
42 class GCHeapSummary;
43 class MetaspaceChunkFreeListSummary;
44 class MetaspaceSummary;
45 class PSHeapSummary;
46 class G1HeapSummary;
47 class G1EvacSummary;
48 class ReferenceProcessorStats;
49 class TimePartitions;
50 class BoolObjectClosure;
51
52 class SharedGCInfo {
53 private:
54 GCName _name;
55 GCCause::Cause _cause;
56 Ticks _start_timestamp;
57 Ticks _end_timestamp;
80 void set_cause(GCCause::Cause cause) { _cause = cause; }
81 GCCause::Cause cause() const { return _cause; }
82
83 void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
84 const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
85
86 void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
87 const Tickspan longest_pause() const { return _longest_pause; }
88 };
89
90 class ParallelOldGCInfo {
91 void* _dense_prefix;
92 public:
93 ParallelOldGCInfo() : _dense_prefix(NULL) {}
94 void report_dense_prefix(void* addr) {
95 _dense_prefix = addr;
96 }
97 void* dense_prefix() const { return _dense_prefix; }
98 };
99
100 #if INCLUDE_ALL_GCS
101
102 class G1YoungGCInfo {
103 G1YCType _type;
104 public:
105 G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
106 void set_type(G1YCType type) {
107 _type = type;
108 }
109 G1YCType type() const { return _type; }
110 };
111
112 #endif // INCLUDE_ALL_GCS
113
114 class GCTracer : public ResourceObj {
115 protected:
116 SharedGCInfo _shared_gc_info;
117
118 public:
119 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
120 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
121 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
122 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
123 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
124 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
125
126 protected:
127 GCTracer(GCName name) : _shared_gc_info(name) {}
128 virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
129 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
130
131 private:
132 void send_garbage_collection_event() const;
215 class SerialOldTracer : public OldGCTracer {
216 public:
217 SerialOldTracer() : OldGCTracer(SerialOld) {}
218 };
219
220 class ParallelScavengeTracer : public YoungGCTracer {
221 public:
222 ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
223 };
224
225 class DefNewTracer : public YoungGCTracer {
226 public:
227 DefNewTracer() : YoungGCTracer(DefNew) {}
228 };
229
230 class ParNewTracer : public YoungGCTracer {
231 public:
232 ParNewTracer() : YoungGCTracer(ParNew) {}
233 };
234
235 #if INCLUDE_ALL_GCS
236 class G1MMUTracer : public AllStatic {
237 static void send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms);
238
239 public:
240 static void report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec);
241 };
242
243 class G1NewTracer : public YoungGCTracer {
244 G1YoungGCInfo _g1_young_gc_info;
245
246 public:
247 G1NewTracer() : YoungGCTracer(G1New) {}
248
249 void report_yc_type(G1YCType type);
250 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
251 void report_evacuation_info(EvacuationInfo* info);
252 void report_evacuation_failed(EvacuationFailedInfo& ef_info);
253
254 void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const;
255
277 void send_basic_ihop_statistics(size_t threshold,
278 size_t target_occupancy,
279 size_t current_occupancy,
280 size_t last_allocation_size,
281 double last_allocation_duration,
282 double last_marking_length);
283 void send_adaptive_ihop_statistics(size_t threshold,
284 size_t internal_target_occupancy,
285 size_t current_occupancy,
286 size_t additional_buffer_size,
287 double predicted_allocation_rate,
288 double predicted_marking_length,
289 bool prediction_active);
290 };
291
292 class G1FullGCTracer : public OldGCTracer {
293 public:
294 G1FullGCTracer() : OldGCTracer(G1Full) {}
295 };
296
297 #endif
298
299 class CMSTracer : public OldGCTracer {
300 public:
301 CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
302 };
303
304 class G1OldTracer : public OldGCTracer {
305 protected:
306 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
307 public:
308 G1OldTracer() : OldGCTracer(G1Old) {}
309 void set_gc_cause(GCCause::Cause cause);
310 };
311
312 #endif // SHARE_VM_GC_SHARED_GCTRACE_HPP
|
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_GC_SHARED_GCTRACE_HPP
26 #define SHARE_VM_GC_SHARED_GCTRACE_HPP
27
28 #include "gc/shared/copyFailedInfo.hpp"
29 #include "gc/shared/gcCause.hpp"
30 #include "gc/shared/gcId.hpp"
31 #include "gc/shared/gcName.hpp"
32 #include "gc/shared/gcWhen.hpp"
33 #include "memory/metaspace.hpp"
34 #include "memory/referenceType.hpp"
35 #include "utilities/macros.hpp"
36 #include "utilities/ticks.hpp"
37 #if INCLUDE_G1GC
38 #include "gc/g1/g1YCTypes.hpp"
39 #endif
40
41 class EvacuationInfo;
42 class GCHeapSummary;
43 class MetaspaceChunkFreeListSummary;
44 class MetaspaceSummary;
45 class PSHeapSummary;
46 class G1HeapSummary;
47 class G1EvacSummary;
48 class ReferenceProcessorStats;
49 class TimePartitions;
50 class BoolObjectClosure;
51
52 class SharedGCInfo {
53 private:
54 GCName _name;
55 GCCause::Cause _cause;
56 Ticks _start_timestamp;
57 Ticks _end_timestamp;
80 void set_cause(GCCause::Cause cause) { _cause = cause; }
81 GCCause::Cause cause() const { return _cause; }
82
83 void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
84 const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
85
86 void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
87 const Tickspan longest_pause() const { return _longest_pause; }
88 };
89
90 class ParallelOldGCInfo {
91 void* _dense_prefix;
92 public:
93 ParallelOldGCInfo() : _dense_prefix(NULL) {}
94 void report_dense_prefix(void* addr) {
95 _dense_prefix = addr;
96 }
97 void* dense_prefix() const { return _dense_prefix; }
98 };
99
100 #if INCLUDE_G1GC
101
102 class G1YoungGCInfo {
103 G1YCType _type;
104 public:
105 G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
106 void set_type(G1YCType type) {
107 _type = type;
108 }
109 G1YCType type() const { return _type; }
110 };
111
112 #endif // INCLUDE_G1GC
113
114 class GCTracer : public ResourceObj {
115 protected:
116 SharedGCInfo _shared_gc_info;
117
118 public:
119 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
120 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
121 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
122 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
123 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
124 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
125
126 protected:
127 GCTracer(GCName name) : _shared_gc_info(name) {}
128 virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
129 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
130
131 private:
132 void send_garbage_collection_event() const;
215 class SerialOldTracer : public OldGCTracer {
216 public:
217 SerialOldTracer() : OldGCTracer(SerialOld) {}
218 };
219
220 class ParallelScavengeTracer : public YoungGCTracer {
221 public:
222 ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
223 };
224
225 class DefNewTracer : public YoungGCTracer {
226 public:
227 DefNewTracer() : YoungGCTracer(DefNew) {}
228 };
229
230 class ParNewTracer : public YoungGCTracer {
231 public:
232 ParNewTracer() : YoungGCTracer(ParNew) {}
233 };
234
235 #if INCLUDE_G1GC
236 class G1MMUTracer : public AllStatic {
237 static void send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms);
238
239 public:
240 static void report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec);
241 };
242
243 class G1NewTracer : public YoungGCTracer {
244 G1YoungGCInfo _g1_young_gc_info;
245
246 public:
247 G1NewTracer() : YoungGCTracer(G1New) {}
248
249 void report_yc_type(G1YCType type);
250 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
251 void report_evacuation_info(EvacuationInfo* info);
252 void report_evacuation_failed(EvacuationFailedInfo& ef_info);
253
254 void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const;
255
277 void send_basic_ihop_statistics(size_t threshold,
278 size_t target_occupancy,
279 size_t current_occupancy,
280 size_t last_allocation_size,
281 double last_allocation_duration,
282 double last_marking_length);
283 void send_adaptive_ihop_statistics(size_t threshold,
284 size_t internal_target_occupancy,
285 size_t current_occupancy,
286 size_t additional_buffer_size,
287 double predicted_allocation_rate,
288 double predicted_marking_length,
289 bool prediction_active);
290 };
291
292 class G1FullGCTracer : public OldGCTracer {
293 public:
294 G1FullGCTracer() : OldGCTracer(G1Full) {}
295 };
296
297 #endif // INCLUDE_G1GC
298
299 class CMSTracer : public OldGCTracer {
300 public:
301 CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
302 };
303
304 class G1OldTracer : public OldGCTracer {
305 protected:
306 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
307 public:
308 G1OldTracer() : OldGCTracer(G1Old) {}
309 void set_gc_cause(GCCause::Cause cause);
310 };
311
312 #endif // SHARE_VM_GC_SHARED_GCTRACE_HPP
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