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src/os/bsd/vm/os_bsd.cpp
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rev 10257 : 8149036: Add tracing for thread related events at os level
Reviewed-by:
@@ -30,10 +30,11 @@
#include "code/vtableStubs.hpp"
#include "compiler/compileBroker.hpp"
#include "compiler/disassembler.hpp"
#include "interpreter/interpreter.hpp"
#include "jvm_bsd.h"
+#include "logging/log.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/filemap.hpp"
#include "mutex_bsd.inline.hpp"
#include "oops/oop.inline.hpp"
#include "os_bsd.inline.hpp"
@@ -679,10 +680,13 @@
OSThread* osthread = thread->osthread();
Monitor* sync = osthread->startThread_lock();
osthread->set_thread_id(os::Bsd::gettid());
+ log_debug(os)("Thread is alive (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ".",
+ os::current_thread_id(), (uintx) pthread_self());
+
#ifdef __APPLE__
uint64_t unique_thread_id = locate_unique_thread_id(osthread->thread_id());
guarantee(unique_thread_id != 0, "unique thread id was not found");
osthread->set_unique_thread_id(unique_thread_id);
#endif
@@ -714,10 +718,13 @@
}
// call one more level start routine
thread->run();
+ log_debug(os)("Thread finished (tid " UINTX_FORMAT ", pthread id " UINTX_FORMAT ").",
+ os::current_thread_id(), (uintx) pthread_self());
+
return 0;
}
bool os::create_thread(Thread* thread, ThreadType thr_type, size_t stack_size) {
assert(thread->osthread() == NULL, "caller responsible");
@@ -774,16 +781,25 @@
{
pthread_t tid;
int ret = pthread_create(&tid, &attr, (void* (*)(void*)) java_start, thread);
+ LogHandle(os) log;
+ if (log.is_debug()) {
+ char buf[64];
+ if (ret == 0) {
+ log.debug("Thread started (pthread id: " UINTX_FORMAT ", attributes: %s). ",
+ (uintx) tid, os::Posix::describe_pthread_attr(buf, sizeof(buf), &attr));
+ } else {
+ log.warning("Failed to start thread - pthread_create failed (%s) for attributes: %s.",
+ os::errno_name(errno), os::Posix::describe_pthread_attr(buf, sizeof(buf), &attr));
+ }
+ }
+
pthread_attr_destroy(&attr);
if (ret != 0) {
- if (PrintMiscellaneous && (Verbose || WizardMode)) {
- perror("pthread_create()");
- }
// Need to clean up stuff we've allocated so far
thread->set_osthread(NULL);
delete osthread;
return false;
}
@@ -856,10 +872,13 @@
// initialize signal mask for this thread
// and save the caller's signal mask
os::Bsd::hotspot_sigmask(thread);
+ log_debug(os)("Thread attached (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ".",
+ os::current_thread_id(), (uintx) pthread_self());
+
return true;
}
void os::pd_start_thread(Thread* thread) {
OSThread * osthread = thread->osthread();
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