Bug Summary

File:jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp
Warning:line 105, column 10
Value stored to 'result' during its initialization is never read

Annotated Source Code

Press '?' to see keyboard shortcuts

clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name test_committed_virtualmemory.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/gtest/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/googletest/googletest/include -I /home/daniel/Projects/java/googletest/googlemock/include -I /home/daniel/Projects/java/jdk/test/hotspot/gtest -I /home/daniel/Projects/java/jdk/test/hotspot/gtest -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 -Wno-undef -Wno-stringop-overflow -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/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp
1/*
2 * Copyright (c) 2018, 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#include "precompiled.hpp"
25
26// Included early because the NMT flags don't include it.
27#include "utilities/macros.hpp"
28
29#if INCLUDE_NMT1
30
31#include "runtime/thread.hpp"
32#include "services/memTracker.hpp"
33#include "services/virtualMemoryTracker.hpp"
34#include "utilities/globalDefinitions.hpp"
35#include "unittest.hpp"
36
37
38class CommittedVirtualMemoryTest {
39public:
40 static void test() {
41#ifndef _AIX
42 // See JDK-8202772: temporarily disabled.
43 Thread* thr = Thread::current();
44 address stack_end = thr->stack_end();
45 size_t stack_size = thr->stack_size();
46
47 MemTracker::record_thread_stack(stack_end, stack_size);
48
49 VirtualMemoryTracker::add_reserved_region(stack_end, stack_size, CALLER_PC((MemTracker::tracking_level() == NMT_detail) ? NativeCallStack
(1) : NativeCallStack::empty_stack()), mtThreadStack);
50
51 // snapshot current stack usage
52 VirtualMemoryTracker::snapshot_thread_stacks();
53
54 ReservedMemoryRegion* rmr = VirtualMemoryTracker::_reserved_regions->find(ReservedMemoryRegion(stack_end, stack_size));
55 ASSERT_TRUE(rmr != NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(rmr != __null)) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 55, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "rmr != NULL", "false", "true").c_str()) = ::testing::Message
();
56
57 ASSERT_EQ(rmr->base(), stack_end)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(rmr->base())) == 1)>::Compare
("rmr->base()", "stack_end", rmr->base(), stack_end))) ;
else return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 57, gtest_ar.failure_message()) = ::testing::Message();
58 ASSERT_EQ(rmr->size(), stack_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(rmr->size())) == 1)>::Compare
("rmr->size()", "stack_size", rmr->size(), stack_size))
) ; else return ::testing::internal::AssertHelper(::testing::
TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 58, gtest_ar.failure_message()) = ::testing::Message();
59
60 CommittedRegionIterator iter = rmr->iterate_committed_regions();
61 int i = 0;
62 address i_addr = (address)&i;
63 bool found_i_addr = false;
64
65 // stack grows downward
66 address stack_top = stack_end + stack_size;
67 bool found_stack_top = false;
68
69 for (const CommittedMemoryRegion* region = iter.next(); region != NULL__null; region = iter.next()) {
70 if (region->base() + region->size() == stack_top) {
71 ASSERT_TRUE(region->size() <= stack_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(region->size() <=
stack_size)) ; else return ::testing::internal::AssertHelper
(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 71, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "region->size() <= stack_size", "false", "true").c_str
()) = ::testing::Message();
72 found_stack_top = true;
73 }
74
75 if(i_addr < stack_top && i_addr >= region->base()) {
76 found_i_addr = true;
77 }
78
79 i++;
80 }
81
82 // stack and guard pages may be contiguous as one region
83 ASSERT_TRUE(i >= 1)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(i >= 1)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 83, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "i >= 1", "false", "true").c_str()) = ::testing::Message
();
84 ASSERT_TRUE(found_stack_top)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(found_stack_top)) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 84, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "found_stack_top", "false", "true").c_str()) = ::testing::Message
();
85 ASSERT_TRUE(found_i_addr)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(found_i_addr)) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 85, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "found_i_addr", "false", "true").c_str()) = ::testing::Message
();
86#endif // !_AIX
87 }
88
89 static void check_covered_pages(address addr, size_t size, address base, size_t touch_pages, int* page_num) {
90 const size_t page_sz = os::vm_page_size();
91 size_t index;
92 for (index = 0; index < touch_pages; index ++) {
93 address page_addr = base + page_num[index] * page_sz;
94 // The range covers this page, marks the page
95 if (page_addr >= addr && page_addr < addr + size) {
96 page_num[index] = -1;
97 }
98 }
99 }
100
101 static void test_committed_region_impl(size_t num_pages, size_t touch_pages, int* page_num) {
102 const size_t page_sz = os::vm_page_size();
103 const size_t size = num_pages * page_sz;
104 char* base = os::reserve_memory(size, !ExecMem, mtThreadStack);
105 bool result = os::commit_memory(base, size, !ExecMem);
Value stored to 'result' during its initialization is never read
106 size_t index;
107 ASSERT_NE(base, (char*)NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal::CmpHelperNE("base", "(char*)__null"
, base, (char*)__null))) ; else return ::testing::internal::AssertHelper
(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 107, gtest_ar.failure_message()) = ::testing::Message();
108 for (index = 0; index < touch_pages; index ++) {
109 char* touch_addr = base + page_sz * page_num[index];
110 *touch_addr = 'a';
111 }
112
113 address frame = (address)0x1235;
114 NativeCallStack stack(&frame, 1);
115 VirtualMemoryTracker::add_reserved_region((address)base, size, stack, mtThreadStack);
116
117 // trigger the test
118 VirtualMemoryTracker::snapshot_thread_stacks();
119
120 ReservedMemoryRegion* rmr = VirtualMemoryTracker::_reserved_regions->find(ReservedMemoryRegion((address)base, size));
121 ASSERT_TRUE(rmr != NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(rmr != __null)) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 121, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "rmr != NULL", "false", "true").c_str()) = ::testing::Message
();
122
123 bool precise_tracking_supported = false;
124 CommittedRegionIterator iter = rmr->iterate_committed_regions();
125 for (const CommittedMemoryRegion* region = iter.next(); region != NULL__null; region = iter.next()) {
126 if (region->size() == size) {
127 // platforms that do not support precise tracking.
128 ASSERT_TRUE(iter.next() == NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(iter.next() == __null
)) ; else return ::testing::internal::AssertHelper(::testing::
TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 128, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "iter.next() == NULL", "false", "true").c_str()) = ::testing
::Message();
129 break;
130 } else {
131 precise_tracking_supported = true;
132 check_covered_pages(region->base(), region->size(), (address)base, touch_pages, page_num);
133 }
134 }
135
136 if (precise_tracking_supported) {
137 // All touched pages should be committed
138 for (size_t index = 0; index < touch_pages; index ++) {
139 ASSERT_EQ(page_num[index], -1)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(page_num[index])) == 1)>::
Compare("page_num[index]", "-1", page_num[index], -1))) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 139, gtest_ar.failure_message()) = ::testing::Message();
140 }
141 }
142
143 // Cleanup
144 os::free_memory(base, size, page_sz);
145 VirtualMemoryTracker::remove_released_region((address)base, size);
146
147 rmr = VirtualMemoryTracker::_reserved_regions->find(ReservedMemoryRegion((address)base, size));
148 ASSERT_TRUE(rmr == NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(rmr == __null)) ; else
return ::testing::internal::AssertHelper(::testing::TestPartResult
::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 148, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "rmr == NULL", "false", "true").c_str()) = ::testing::Message
();
149 }
150
151 static void test_committed_region() {
152 // On Linux, we scan 1024 pages at a time.
153 // Here, we test scenario that scans < 1024 pages.
154 int small_range[] = {3, 9, 46};
155 int mid_range[] = {0, 45, 100, 399, 400, 1000, 1031};
156 int large_range[] = {100, 301, 1024, 2047, 2048, 2049, 2050, 3000};
157
158 test_committed_region_impl(47, 3, small_range);
159 test_committed_region_impl(1088, 5, mid_range);
160 test_committed_region_impl(3074, 8, large_range);
161 }
162
163 static void test_partial_region() {
164 bool result;
165 size_t committed_size;
166 address committed_start;
167 size_t index;
168
169 const size_t page_sz = os::vm_page_size();
170 const size_t num_pages = 4;
171 const size_t size = num_pages * page_sz;
172 char* base = os::reserve_memory(size, !ExecMem, mtTest);
173 ASSERT_NE(base, (char*)NULL)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal::CmpHelperNE("base", "(char*)__null"
, base, (char*)__null))) ; else return ::testing::internal::AssertHelper
(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 173, gtest_ar.failure_message()) = ::testing::Message();
174 result = os::commit_memory(base, size, !ExecMem);
175
176 ASSERT_TRUE(result)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(result)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 176, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "result", "false", "true").c_str()) = ::testing::Message();
177 // touch all pages
178 for (index = 0; index < num_pages; index ++) {
179 *(base + index * page_sz) = 'a';
180 }
181
182 // Test whole range
183 result = os::committed_in_range((address)base, size, committed_start, committed_size);
184 ASSERT_TRUE(result)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(result)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 184, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "result", "false", "true").c_str()) = ::testing::Message();
185 ASSERT_EQ(num_pages * page_sz, committed_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(num_pages * page_sz)) == 1)>
::Compare("num_pages * page_sz", "committed_size", num_pages *
page_sz, committed_size))) ; else return ::testing::internal
::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 185, gtest_ar.failure_message()) = ::testing::Message();
186 ASSERT_EQ(committed_start, (address)base)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(committed_start)) == 1)>::
Compare("committed_start", "(address)base", committed_start, (
address)base))) ; else return ::testing::internal::AssertHelper
(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 186, gtest_ar.failure_message()) = ::testing::Message();
187
188 // Test beginning of the range
189 result = os::committed_in_range((address)base, 2 * page_sz, committed_start, committed_size);
190 ASSERT_TRUE(result)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(result)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 190, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "result", "false", "true").c_str()) = ::testing::Message();
191 ASSERT_EQ(2 * page_sz, committed_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(2 * page_sz)) == 1)>::Compare
("2 * page_sz", "committed_size", 2 * page_sz, committed_size
))) ; else return ::testing::internal::AssertHelper(::testing
::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 191, gtest_ar.failure_message()) = ::testing::Message();
192 ASSERT_EQ(committed_start, (address)base)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(committed_start)) == 1)>::
Compare("committed_start", "(address)base", committed_start, (
address)base))) ; else return ::testing::internal::AssertHelper
(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 192, gtest_ar.failure_message()) = ::testing::Message();
193
194 // Test end of the range
195 result = os::committed_in_range((address)(base + page_sz), 3 * page_sz, committed_start, committed_size);
196 ASSERT_TRUE(result)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(result)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 196, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "result", "false", "true").c_str()) = ::testing::Message();
197 ASSERT_EQ(3 * page_sz, committed_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(3 * page_sz)) == 1)>::Compare
("3 * page_sz", "committed_size", 3 * page_sz, committed_size
))) ; else return ::testing::internal::AssertHelper(::testing
::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 197, gtest_ar.failure_message()) = ::testing::Message();
198 ASSERT_EQ(committed_start, (address)(base + page_sz))switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(committed_start)) == 1)>::
Compare("committed_start", "(address)(base + page_sz)", committed_start
, (address)(base + page_sz)))) ; else return ::testing::internal
::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 198, gtest_ar.failure_message()) = ::testing::Message();
199
200 // Test middle of the range
201 result = os::committed_in_range((address)(base + page_sz), 2 * page_sz, committed_start, committed_size);
202 ASSERT_TRUE(result)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar_ = ::testing::AssertionResult(result)) ; else return
::testing::internal::AssertHelper(::testing::TestPartResult::
kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 202, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_
, "result", "false", "true").c_str()) = ::testing::Message();
203 ASSERT_EQ(2 * page_sz, committed_size)switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(2 * page_sz)) == 1)>::Compare
("2 * page_sz", "committed_size", 2 * page_sz, committed_size
))) ; else return ::testing::internal::AssertHelper(::testing
::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 203, gtest_ar.failure_message()) = ::testing::Message();
204 ASSERT_EQ(committed_start, (address)(base + page_sz))switch (0) case 0: default: if (const ::testing::AssertionResult
gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing
::internal::IsNullLiteralHelper(committed_start)) == 1)>::
Compare("committed_start", "(address)(base + page_sz)", committed_start
, (address)(base + page_sz)))) ; else return ::testing::internal
::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 204, gtest_ar.failure_message()) = ::testing::Message();
205
206 os::release_memory(base, size);
207 }
208};
209
210TEST_VM(CommittedVirtualMemoryTracker, test_committed_virtualmemory_region)class CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
: public ::testing::Test { public: CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
() {} private: virtual void TestBody(); static ::testing::TestInfo
* const test_info_ __attribute__ ((unused)); CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
(CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
const &) = delete; void operator=(CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
const &) = delete;};::testing::TestInfo* const CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
::test_info_ = ::testing::internal::MakeAndRegisterTestInfo(
"CommittedVirtualMemoryTracker", "test_committed_virtualmemory_region_vm"
, __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp"
, 210), (::testing::internal::GetTestTypeId()), ::testing::Test
::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing
::internal::TestFactoryImpl< CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
>);void CommittedVirtualMemoryTracker_test_committed_virtualmemory_region_vm_Test
::TestBody() {
211
212 // This tests the VM-global NMT facility. The test must *not* modify global state,
213 // since that interferes with other tests!
214 // The gtestLauncher are called with and without -XX:NativeMemoryTracking during jtreg-controlled
215 // gtests.
216
217 if (MemTracker::tracking_level() >= NMT_detail) {
218 CommittedVirtualMemoryTest::test();
219 CommittedVirtualMemoryTest::test_committed_region();
220 CommittedVirtualMemoryTest::test_partial_region();
221 } else {
222 tty->print_cr("skipped.");
223 }
224
225}
226
227#endif // INCLUDE_NMT