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8149036: Add tracing for thread related events at os level

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Reviewed-by: coleenp, mlarsson, dholmes
This commit is contained in:
Thomas Stuefe 2016-02-24 18:06:34 +01:00
parent 35a916a2a1
commit 3634fb9df2
9 changed files with 187 additions and 44 deletions
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34
hotspot/src/share/vm/runtime/thread.cpp
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@ -324,6 +324,10 @@ void Thread::record_stack_base_and_size() {
// record thread's native stack, stack grows downward
MemTracker::record_thread_stack(stack_end(), stack_size());
#endif // INCLUDE_NMT
log_debug(os, thread)("Thread " UINTX_FORMAT " stack dimensions: "
PTR_FORMAT "-" PTR_FORMAT " (" SIZE_FORMAT "k).",
os::current_thread_id(), p2i(stack_base() - stack_size()),
p2i(stack_base()), stack_size()/1024);
}
@ -1802,6 +1806,10 @@ void JavaThread::exit(bool destroy_vm, ExitType exit_type) {
// Call after last event on thread
EVENT_THREAD_EXIT(this);
log_info(os, thread)("Thread " UINTX_FORMAT " %s.",
os::current_thread_id(),
exit_type == JavaThread::normal_exit ? "exiting" : "detaching");
// Call Thread.exit(). We try 3 times in case we got another Thread.stop during
// the execution of the method. If that is not enough, then we don't really care. Thread.stop
// is deprecated anyhow.
@ -2491,18 +2499,25 @@ void JavaThread::create_stack_guard_pages() {
// warning("Guarding at " PTR_FORMAT " for len " SIZE_FORMAT "\n", low_addr, len);
if (allocate && !os::create_stack_guard_pages((char *) low_addr, len)) {
warning("Attempt to allocate stack guard pages failed.");
log_warning(os, thread)("Attempt to allocate stack guard pages failed.");
return;
}
if (os::guard_memory((char *) low_addr, len)) {
_stack_guard_state = stack_guard_enabled;
} else {
warning("Attempt to protect stack guard pages failed.");
log_warning(os, thread)("Attempt to protect stack guard pages failed ("
PTR_FORMAT "-" PTR_FORMAT ").", p2i(low_addr), p2i(low_addr + len));
if (os::uncommit_memory((char *) low_addr, len)) {
warning("Attempt to deallocate stack guard pages failed.");
log_warning(os, thread)("Attempt to deallocate stack guard pages failed.");
}
return;
}
log_debug(os, thread)("Thread " UINTX_FORMAT " stack guard pages activated: "
PTR_FORMAT "-" PTR_FORMAT ".",
os::current_thread_id(), p2i(low_addr), p2i(low_addr + len));
}
void JavaThread::remove_stack_guard_pages() {
@ -2515,16 +2530,25 @@ void JavaThread::remove_stack_guard_pages() {
if (os::remove_stack_guard_pages((char *) low_addr, len)) {
_stack_guard_state = stack_guard_unused;
} else {
warning("Attempt to deallocate stack guard pages failed.");
log_warning(os, thread)("Attempt to deallocate stack guard pages failed ("
PTR_FORMAT "-" PTR_FORMAT ").", p2i(low_addr), p2i(low_addr + len));
return;
}
} else {
if (_stack_guard_state == stack_guard_unused) return;
if (os::unguard_memory((char *) low_addr, len)) {
_stack_guard_state = stack_guard_unused;
} else {
warning("Attempt to unprotect stack guard pages failed.");
log_warning(os, thread)("Attempt to unprotect stack guard pages failed ("
PTR_FORMAT "-" PTR_FORMAT ").", p2i(low_addr), p2i(low_addr + len));
return;
}
}
log_debug(os, thread)("Thread " UINTX_FORMAT " stack guard pages removed: "
PTR_FORMAT "-" PTR_FORMAT ".",
os::current_thread_id(), p2i(low_addr), p2i(low_addr + len));
}
void JavaThread::enable_stack_reserved_zone() {