Bug Summary

File:jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp
Warning:line 265, column 5
Called C++ object pointer is null

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name g1RemSetSummary.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mthread-model posix -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -fno-rounding-math -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-10/lib/clang/10.0.0 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/hotspot/variant-server/libjvm/objs/precompiled -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -D _GNU_SOURCE -D _REENTRANT -D LIBC=gnu -D LINUX -D VM_LITTLE_ENDIAN -D _LP64=1 -D ASSERT -D CHECK_UNHANDLED_OOPS -D TARGET_ARCH_x86 -D INCLUDE_SUFFIX_OS=_linux -D INCLUDE_SUFFIX_CPU=_x86 -D INCLUDE_SUFFIX_COMPILER=_gcc -D TARGET_COMPILER_gcc -D AMD64 -D HOTSPOT_LIB_ARCH="amd64" -D COMPILER1 -D COMPILER2 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/hotspot/variant-server/gensrc/adfiles -I /home/daniel/Projects/java/jdk/src/hotspot/share -I /home/daniel/Projects/java/jdk/src/hotspot/os/linux -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix -I /home/daniel/Projects/java/jdk/src/hotspot/cpu/x86 -I /home/daniel/Projects/java/jdk/src/hotspot/os_cpu/linux_x86 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/hotspot/variant-server/gensrc -I /home/daniel/Projects/java/jdk/src/hotspot/share/precompiled -I /home/daniel/Projects/java/jdk/src/hotspot/share/include -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix/include -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base/linux -I /home/daniel/Projects/java/jdk/src/java.base/share/native/libjimage -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/hotspot/variant-server/gensrc/adfiles -I /home/daniel/Projects/java/jdk/src/hotspot/share -I /home/daniel/Projects/java/jdk/src/hotspot/os/linux -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix -I /home/daniel/Projects/java/jdk/src/hotspot/cpu/x86 -I /home/daniel/Projects/java/jdk/src/hotspot/os_cpu/linux_x86 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/hotspot/variant-server/gensrc -D _FORTIFY_SOURCE=2 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/x86_64-linux-gnu/c++/7.5.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/x86_64-linux-gnu/c++/7.5.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-10/lib/clang/10.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-format-zero-length -Wno-unused-parameter -Wno-unused -Wno-parentheses -Wno-comment -Wno-unknown-pragmas -Wno-address -Wno-delete-non-virtual-dtor -Wno-char-subscripts -Wno-array-bounds -Wno-int-in-bool-context -Wno-ignored-qualifiers -Wno-missing-field-initializers -Wno-implicit-fallthrough -Wno-empty-body -Wno-strict-overflow -Wno-sequence-point -Wno-maybe-uninitialized -Wno-misleading-indentation -Wno-cast-function-type -Wno-shift-negative-value -std=c++14 -fdeprecated-macro -fdebug-compilation-dir /home/daniel/Projects/java/jdk/make/hotspot -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -stack-protector 1 -fno-rtti -fgnuc-version=4.2.1 -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /home/daniel/Projects/java/scan/2021-12-21-193737-8510-1 -x c++ /home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp
1/*
2 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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#include "precompiled.hpp"
26#include "gc/g1/g1BarrierSet.hpp"
27#include "gc/g1/g1CardSetMemory.hpp"
28#include "gc/g1/g1CollectedHeap.inline.hpp"
29#include "gc/g1/g1ConcurrentRefine.hpp"
30#include "gc/g1/g1ConcurrentRefineThread.hpp"
31#include "gc/g1/g1DirtyCardQueue.hpp"
32#include "gc/g1/g1RemSet.hpp"
33#include "gc/g1/g1RemSetSummary.hpp"
34#include "gc/g1/heapRegion.hpp"
35#include "gc/g1/heapRegionRemSet.inline.hpp"
36#include "memory/allocation.inline.hpp"
37#include "memory/iterator.hpp"
38#include "runtime/thread.inline.hpp"
39
40void G1RemSetSummary::update() {
41 class CollectData : public ThreadClosure {
42 G1RemSetSummary* _summary;
43 uint _counter;
44 public:
45 CollectData(G1RemSetSummary * summary) : _summary(summary), _counter(0) {}
46 virtual void do_thread(Thread* t) {
47 G1ConcurrentRefineThread* crt = static_cast<G1ConcurrentRefineThread*>(t);
48 _summary->set_rs_thread_vtime(_counter, crt->vtime_accum());
49 _counter++;
50 }
51 } collector(this);
52
53 G1CollectedHeap* g1h = G1CollectedHeap::heap();
54 g1h->concurrent_refine()->threads_do(&collector);
55 _coarsenings = HeapRegionRemSet::coarsen_stats();
56
57 set_sampling_task_vtime(g1h->rem_set()->sampling_task_vtime());
58}
59
60void G1RemSetSummary::set_rs_thread_vtime(uint thread, double value) {
61 assert(_rs_threads_vtimes != NULL, "just checking")do { if (!(_rs_threads_vtimes != __null)) { (*g_assert_poison
) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 61, "assert(" "_rs_threads_vtimes != __null" ") failed", "just checking"
); ::breakpoint(); } } while (0);
62 assert(thread < _num_vtimes, "just checking")do { if (!(thread < _num_vtimes)) { (*g_assert_poison) = 'X'
;; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 62, "assert(" "thread < _num_vtimes" ") failed", "just checking"
); ::breakpoint(); } } while (0);
63 _rs_threads_vtimes[thread] = value;
64}
65
66double G1RemSetSummary::rs_thread_vtime(uint thread) const {
67 assert(_rs_threads_vtimes != NULL, "just checking")do { if (!(_rs_threads_vtimes != __null)) { (*g_assert_poison
) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 67, "assert(" "_rs_threads_vtimes != __null" ") failed", "just checking"
); ::breakpoint(); } } while (0);
68 assert(thread < _num_vtimes, "just checking")do { if (!(thread < _num_vtimes)) { (*g_assert_poison) = 'X'
;; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 68, "assert(" "thread < _num_vtimes" ") failed", "just checking"
); ::breakpoint(); } } while (0);
69 return _rs_threads_vtimes[thread];
70}
71
72G1RemSetSummary::G1RemSetSummary(bool should_update) :
73 _coarsenings(),
74 _num_vtimes(G1ConcurrentRefine::max_num_threads()),
75 _rs_threads_vtimes(NEW_C_HEAP_ARRAY(double, _num_vtimes, mtGC)(double*) (AllocateHeap((_num_vtimes) * sizeof(double), mtGC)
)),
76 _sampling_task_vtime(0.0f) {
77
78 memset(_rs_threads_vtimes, 0, sizeof(double) * _num_vtimes);
79
80 if (should_update) {
81 update();
82 }
83}
84
85G1RemSetSummary::~G1RemSetSummary() {
86 FREE_C_HEAP_ARRAY(double, _rs_threads_vtimes)FreeHeap((char*)(_rs_threads_vtimes));
87}
88
89void G1RemSetSummary::set(G1RemSetSummary* other) {
90 assert(other != NULL, "just checking")do { if (!(other != __null)) { (*g_assert_poison) = 'X';; report_vm_error
("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 90, "assert(" "other != __null" ") failed", "just checking"
); ::breakpoint(); } } while (0);
91 assert(_num_vtimes == other->_num_vtimes, "just checking")do { if (!(_num_vtimes == other->_num_vtimes)) { (*g_assert_poison
) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 91, "assert(" "_num_vtimes == other->_num_vtimes" ") failed"
, "just checking"); ::breakpoint(); } } while (0);
92
93 _coarsenings = other->_coarsenings;
94
95 memcpy(_rs_threads_vtimes, other->_rs_threads_vtimes, sizeof(double) * _num_vtimes);
96
97 set_sampling_task_vtime(other->sampling_task_vtime());
98}
99
100void G1RemSetSummary::subtract_from(G1RemSetSummary* other) {
101 assert(other != NULL, "just checking")do { if (!(other != __null)) { (*g_assert_poison) = 'X';; report_vm_error
("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 101, "assert(" "other != __null" ") failed", "just checking"
); ::breakpoint(); } } while (0);
102 assert(_num_vtimes == other->_num_vtimes, "just checking")do { if (!(_num_vtimes == other->_num_vtimes)) { (*g_assert_poison
) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 102, "assert(" "_num_vtimes == other->_num_vtimes" ") failed"
, "just checking"); ::breakpoint(); } } while (0);
103
104 _coarsenings.subtract_from(other->_coarsenings);
105
106 for (uint i = 0; i < _num_vtimes; i++) {
107 set_rs_thread_vtime(i, other->rs_thread_vtime(i) - rs_thread_vtime(i));
108 }
109
110 _sampling_task_vtime = other->sampling_task_vtime() - _sampling_task_vtime;
111}
112
113class RegionTypeCounter {
114private:
115 const char* _name;
116
117 size_t _rs_wasted_mem_size;
118 size_t _rs_mem_size;
119 size_t _cards_occupied;
120 size_t _amount;
121 size_t _amount_tracked;
122
123 size_t _code_root_mem_size;
124 size_t _code_root_elems;
125
126 double rs_mem_size_percent_of(size_t total) {
127 return percent_of(_rs_mem_size, total);
128 }
129
130 double cards_occupied_percent_of(size_t total) {
131 return percent_of(_cards_occupied, total);
132 }
133
134 double code_root_mem_size_percent_of(size_t total) {
135 return percent_of(_code_root_mem_size, total);
136 }
137
138 double code_root_elems_percent_of(size_t total) {
139 return percent_of(_code_root_elems, total);
140 }
141
142 size_t amount() const { return _amount; }
143 size_t amount_tracked() const { return _amount_tracked; }
144
145public:
146
147 RegionTypeCounter(const char* name) : _name(name), _rs_wasted_mem_size(0), _rs_mem_size(0), _cards_occupied(0),
148 _amount(0), _amount_tracked(0), _code_root_mem_size(0), _code_root_elems(0) { }
149
150 void add(size_t rs_wasted_mem_size, size_t rs_mem_size, size_t cards_occupied,
151 size_t code_root_mem_size, size_t code_root_elems, bool tracked) {
152 _rs_wasted_mem_size += rs_wasted_mem_size;
153 _rs_mem_size += rs_mem_size;
154 _cards_occupied += cards_occupied;
155 _code_root_mem_size += code_root_mem_size;
156 _code_root_elems += code_root_elems;
157 _amount++;
158 _amount_tracked += tracked ? 1 : 0;
159 }
160
161 size_t rs_wasted_mem_size() const { return _rs_wasted_mem_size; }
162 size_t rs_mem_size() const { return _rs_mem_size; }
163 size_t cards_occupied() const { return _cards_occupied; }
164
165 size_t code_root_mem_size() const { return _code_root_mem_size; }
166 size_t code_root_elems() const { return _code_root_elems; }
167
168 void print_rs_mem_info_on(outputStream * out, size_t total) {
169 out->print_cr(" " SIZE_FORMAT_W(8)"%" "8" "l" "u" " (%5.1f%%) by " SIZE_FORMAT"%" "l" "u" " "
170 "(" SIZE_FORMAT"%" "l" "u" ") %s regions wasted " SIZE_FORMAT"%" "l" "u",
171 rs_mem_size(), rs_mem_size_percent_of(total),
172 amount_tracked(), amount(),
173 _name, rs_wasted_mem_size());
174 }
175
176 void print_cards_occupied_info_on(outputStream * out, size_t total) {
177 out->print_cr(" " SIZE_FORMAT_W(8)"%" "8" "l" "u" " (%5.1f%%) entries by " SIZE_FORMAT"%" "l" "u" " "
178 "(" SIZE_FORMAT"%" "l" "u" ") %s regions",
179 cards_occupied(), cards_occupied_percent_of(total),
180 amount_tracked(), amount(), _name);
181 }
182
183 void print_code_root_mem_info_on(outputStream * out, size_t total) {
184 out->print_cr(" " SIZE_FORMAT_W(8)"%" "8" "l" "u" "%s (%5.1f%%) by " SIZE_FORMAT"%" "l" "u" " %s regions",
185 byte_size_in_proper_unit(code_root_mem_size()),
186 proper_unit_for_byte_size(code_root_mem_size()),
187 code_root_mem_size_percent_of(total), amount(), _name);
188 }
189
190 void print_code_root_elems_info_on(outputStream * out, size_t total) {
191 out->print_cr(" " SIZE_FORMAT_W(8)"%" "8" "l" "u" " (%5.1f%%) elements by " SIZE_FORMAT"%" "l" "u" " %s regions",
192 code_root_elems(), code_root_elems_percent_of(total), amount(), _name);
193 }
194};
195
196
197class HRRSStatsIter: public HeapRegionClosure {
198private:
199 RegionTypeCounter _young;
200 RegionTypeCounter _humongous;
201 RegionTypeCounter _free;
202 RegionTypeCounter _old;
203 RegionTypeCounter _archive;
204 RegionTypeCounter _all;
205
206 size_t _max_rs_mem_sz;
207 HeapRegion* _max_rs_mem_sz_region;
208
209 size_t total_rs_wasted_mem_sz() const { return _all.rs_wasted_mem_size(); }
210 size_t total_rs_mem_sz() const { return _all.rs_mem_size(); }
211 size_t total_cards_occupied() const { return _all.cards_occupied(); }
212
213 size_t max_rs_mem_sz() const { return _max_rs_mem_sz; }
214 HeapRegion* max_rs_mem_sz_region() const { return _max_rs_mem_sz_region; }
215
216 size_t _max_code_root_mem_sz;
217 HeapRegion* _max_code_root_mem_sz_region;
218
219 size_t total_code_root_mem_sz() const { return _all.code_root_mem_size(); }
220 size_t total_code_root_elems() const { return _all.code_root_elems(); }
221
222 size_t max_code_root_mem_sz() const { return _max_code_root_mem_sz; }
223 HeapRegion* max_code_root_mem_sz_region() const { return _max_code_root_mem_sz_region; }
224
225public:
226 HRRSStatsIter() : _young("Young"), _humongous("Humongous"),
227 _free("Free"), _old("Old"), _archive("Archive"), _all("All"),
228 _max_rs_mem_sz(0), _max_rs_mem_sz_region(NULL__null),
229 _max_code_root_mem_sz(0), _max_code_root_mem_sz_region(NULL__null)
230 {}
231
232 bool do_heap_region(HeapRegion* r) {
233 HeapRegionRemSet* hrrs = r->rem_set();
234
235 // HeapRegionRemSet::mem_size() includes the
236 // size of the strong code roots
237 size_t rs_wasted_mem_sz = hrrs->wasted_mem_size();
238 size_t rs_mem_sz = hrrs->mem_size();
239 if (rs_mem_sz > _max_rs_mem_sz) {
1
Assuming 'rs_mem_sz' is <= field '_max_rs_mem_sz'
→
2
←
Taking false branch
→
240 _max_rs_mem_sz = rs_mem_sz;
241 _max_rs_mem_sz_region = r;
242 }
243 size_t occupied_cards = hrrs->occupied();
244 size_t code_root_mem_sz = hrrs->strong_code_roots_mem_size();
245 if (code_root_mem_sz > max_code_root_mem_sz()) {
3
←
Assuming the condition is false
→
4
←
Taking false branch
→
246 _max_code_root_mem_sz = code_root_mem_sz;
247 _max_code_root_mem_sz_region = r;
248 }
249 size_t code_root_elems = hrrs->strong_code_roots_list_length();
250
251 RegionTypeCounter* current = NULL__null;
5
←
'current' initialized to a null pointer value
→
252 if (r->is_free()) {
6
←
Taking false branch
→
253 current = &_free;
254 } else if (r->is_young()) {
7
←
Taking false branch
→
255 current = &_young;
256 } else if (r->is_humongous()) {
8
←
Taking false branch
→
257 current = &_humongous;
258 } else if (r->is_old()) {
9
←
Taking false branch
→
259 current = &_old;
260 } else if (r->is_archive()) {
10
←
Taking false branch
→
261 current = &_archive;
262 } else {
263 ShouldNotReachHere()do { (*g_assert_poison) = 'X';; report_should_not_reach_here(
"/home/daniel/Projects/java/jdk/src/hotspot/share/gc/g1/g1RemSetSummary.cpp"
, 263); ::breakpoint(); } while (0);
11
←
Loop condition is false. Exiting loop
→
264 }
265 current->add(rs_wasted_mem_sz, rs_mem_sz, occupied_cards,
12
←
Called C++ object pointer is null
266 code_root_mem_sz, code_root_elems, r->rem_set()->is_tracked());
267 _all.add(rs_wasted_mem_sz, rs_mem_sz, occupied_cards,
268 code_root_mem_sz, code_root_elems, r->rem_set()->is_tracked());
269
270 return false;
271 }
272
273 void print_summary_on(outputStream* out) {
274 RegionTypeCounter* counters[] = { &_young, &_humongous, &_free, &_old, &_archive, NULL__null };
275
276 out->print_cr(" Current rem set statistics");
277 out->print_cr(" Total per region rem sets sizes = " SIZE_FORMAT"%" "l" "u"
278 " Max = " SIZE_FORMAT"%" "l" "u" " wasted = " SIZE_FORMAT"%" "l" "u",
279 total_rs_mem_sz(),
280 max_rs_mem_sz(),
281 total_rs_wasted_mem_sz());
282 for (RegionTypeCounter** current = &counters[0]; *current != NULL__null; current++) {
283 (*current)->print_rs_mem_info_on(out, total_rs_mem_sz());
284 }
285
286 out->print_cr(" " SIZE_FORMAT"%" "l" "u" " occupied cards represented.",
287 total_cards_occupied());
288 for (RegionTypeCounter** current = &counters[0]; *current != NULL__null; current++) {
289 (*current)->print_cards_occupied_info_on(out, total_cards_occupied());
290 }
291
292 // Largest sized rem set region statistics
293 HeapRegionRemSet* rem_set = max_rs_mem_sz_region()->rem_set();
294 out->print_cr(" Region with largest rem set = " HR_FORMAT"%u:(%s)[" "0x%016" "l" "x" "," "0x%016" "l" "x" "," "0x%016"
"l" "x" "]" ", "
295 "size = " SIZE_FORMAT"%" "l" "u" " occupied = " SIZE_FORMAT"%" "l" "u",
296 HR_FORMAT_PARAMS(max_rs_mem_sz_region())(max_rs_mem_sz_region())->hrm_index(), (max_rs_mem_sz_region
())->get_short_type_str(), p2i((max_rs_mem_sz_region())->
bottom()), p2i((max_rs_mem_sz_region())->top()), p2i((max_rs_mem_sz_region
())->end()),
297 rem_set->mem_size(),
298 rem_set->occupied());
299
300 HeapRegionRemSet::print_static_mem_size(out);
301 G1CardSetFreePool::free_list_pool()->print_on(out);
302
303 // Strong code root statistics
304 HeapRegionRemSet* max_code_root_rem_set = max_code_root_mem_sz_region()->rem_set();
305 out->print_cr(" Total heap region code root sets sizes = " SIZE_FORMAT"%" "l" "u" "%s."
306 " Max = " SIZE_FORMAT"%" "l" "u" "%s.",
307 byte_size_in_proper_unit(total_code_root_mem_sz()),
308 proper_unit_for_byte_size(total_code_root_mem_sz()),
309 byte_size_in_proper_unit(max_code_root_rem_set->strong_code_roots_mem_size()),
310 proper_unit_for_byte_size(max_code_root_rem_set->strong_code_roots_mem_size()));
311 for (RegionTypeCounter** current = &counters[0]; *current != NULL__null; current++) {
312 (*current)->print_code_root_mem_info_on(out, total_code_root_mem_sz());
313 }
314
315 out->print_cr(" " SIZE_FORMAT"%" "l" "u" " code roots represented.",
316 total_code_root_elems());
317 for (RegionTypeCounter** current = &counters[0]; *current != NULL__null; current++) {
318 (*current)->print_code_root_elems_info_on(out, total_code_root_elems());
319 }
320
321 out->print_cr(" Region with largest amount of code roots = " HR_FORMAT"%u:(%s)[" "0x%016" "l" "x" "," "0x%016" "l" "x" "," "0x%016"
"l" "x" "]" ", "
322 "size = " SIZE_FORMAT"%" "l" "u" "%s, num_slots = " SIZE_FORMAT"%" "l" "u" ".",
323 HR_FORMAT_PARAMS(max_code_root_mem_sz_region())(max_code_root_mem_sz_region())->hrm_index(), (max_code_root_mem_sz_region
())->get_short_type_str(), p2i((max_code_root_mem_sz_region
())->bottom()), p2i((max_code_root_mem_sz_region())->top
()), p2i((max_code_root_mem_sz_region())->end()),
324 byte_size_in_proper_unit(max_code_root_rem_set->strong_code_roots_mem_size()),
325 proper_unit_for_byte_size(max_code_root_rem_set->strong_code_roots_mem_size()),
326 max_code_root_rem_set->strong_code_roots_list_length());
327 }
328};
329
330void G1RemSetSummary::print_on(outputStream* out) {
331 out->print("Coarsening: ");
332 _coarsenings.print_on(out);
333 out->print_cr(" Concurrent refinement threads times (s)");
334 out->print(" ");
335 for (uint i = 0; i < _num_vtimes; i++) {
336 out->print(" %5.2f", rs_thread_vtime(i));
337 }
338 out->cr();
339 out->print_cr(" Sampling task time (ms)");
340 out->print_cr(" %5.3f", sampling_task_vtime() * MILLIUNITS);
341
342 HRRSStatsIter blk;
343 G1CollectedHeap::heap()->heap_region_iterate(&blk);
344 blk.print_summary_on(out);
345}