archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 23:04:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8005849: JEP 167: Event-Based JVM Tracing

Browse source 
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
Download patch file Download diff file Expand all files Collapse all files

26
hotspot/src/share/vm/runtime/os.cpp
View file

@ -265,8 +265,7 @@ static void signal_thread_entry(JavaThread* thread, TRAPS) {
VMThread::execute(&op1);
Universe::print_heap_at_SIGBREAK();
if (PrintClassHistogram) {
VM_GC_HeapInspection op1(gclog_or_tty, true /* force full GC before heap inspection */,
true /* need_prologue */);
VM_GC_HeapInspection op1(gclog_or_tty, true /* force full GC before heap inspection */);
VMThread::execute(&op1);
}
if (JvmtiExport::should_post_data_dump()) {
@ -1444,11 +1443,16 @@ int os::get_line_chars(int fd, char* buf, const size_t bsize){
return (int) i;
}
void os::SuspendedThreadTask::run() {
assert(Threads_lock->owned_by_self() || (_thread == VMThread::vm_thread()), "must have threads lock to call this");
internal_do_task();
_done = true;
}
bool os::create_stack_guard_pages(char* addr, size_t bytes) {
return os::pd_create_stack_guard_pages(addr, bytes);
}
char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint) {
char* result = pd_reserve_memory(bytes, addr, alignment_hint);
if (result != NULL) {
@ -1551,3 +1555,19 @@ void os::realign_memory(char *addr, size_t bytes, size_t alignment_hint) {
pd_realign_memory(addr, bytes, alignment_hint);
}
#ifndef TARGET_OS_FAMILY_windows
/* try to switch state from state "from" to state "to"
* returns the state set after the method is complete
*/
os::SuspendResume::State os::SuspendResume::switch_state(os::SuspendResume::State from,
os::SuspendResume::State to)
{
os::SuspendResume::State result =
(os::SuspendResume::State) Atomic::cmpxchg((jint) to, (jint *) &_state, (jint) from);
if (result == from) {
// success
return to;
}
return result;
}
#endif