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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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13
hotspot/src/os/posix/vm/os_posix.cpp
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@ -1071,6 +1071,19 @@ void os::Posix::ucontext_set_pc(ucontext_t* ctx, address pc) {
#endif
}
char* os::Posix::describe_pthread_attr(char* buf, size_t buflen, const pthread_attr_t* attr) {
size_t stack_size = 0;
size_t guard_size = 0;
int detachstate = 0;
pthread_attr_getstacksize(attr, &stack_size);
pthread_attr_getguardsize(attr, &guard_size);
pthread_attr_getdetachstate(attr, &detachstate);
jio_snprintf(buf, buflen, "stacksize: " SIZE_FORMAT "k, guardsize: " SIZE_FORMAT "k, %s",
stack_size / 1024, guard_size / 1024,
(detachstate == PTHREAD_CREATE_DETACHED ? "detached" : "joinable"));
return buf;
}
os::WatcherThreadCrashProtection::WatcherThreadCrashProtection() {
assert(Thread::current()->is_Watcher_thread(), "Must be WatcherThread");