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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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42
hotspot/src/os/solaris/vm/os_solaris.cpp
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@ -32,6 +32,7 @@
#include "compiler/disassembler.hpp"
#include "interpreter/interpreter.hpp"
#include "jvm_solaris.h"
#include "logging/log.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/filemap.hpp"
#include "mutex_solaris.inline.hpp"
@ -68,6 +69,7 @@
#include "utilities/defaultStream.hpp"
#include "utilities/events.hpp"
#include "utilities/growableArray.hpp"
#include "utilities/macros.hpp"
#include "utilities/vmError.hpp"
// put OS-includes here
@ -736,6 +738,9 @@ extern "C" void* java_start(void* thread_addr) {
osthr->set_lwp_id(_lwp_self()); // Store lwp in case we are bound
thread->_schedctl = (void *) schedctl_init();
log_info(os, thread)("Thread is alive (tid: " UINTX_FORMAT ").",
os::current_thread_id());
if (UseNUMA) {
int lgrp_id = os::numa_get_group_id();
if (lgrp_id != -1) {
@ -781,6 +786,8 @@ extern "C" void* java_start(void* thread_addr) {
Atomic::dec(&os::Solaris::_os_thread_count);
}
log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ").", os::current_thread_id());
if (UseDetachedThreads) {
thr_exit(NULL);
ShouldNotReachHere();
@ -853,6 +860,9 @@ bool os::create_attached_thread(JavaThread* thread) {
// and save the caller's signal mask
os::Solaris::hotspot_sigmask(thread);
log_info(os, thread)("Thread attached (tid: " UINTX_FORMAT ").",
os::current_thread_id());
return true;
}
@ -879,6 +889,25 @@ bool os::create_main_thread(JavaThread* thread) {
return true;
}
// Helper function to trace thread attributes, similar to os::Posix::describe_pthread_attr()
static char* describe_thr_create_attributes(char* buf, size_t buflen,
size_t stacksize, long flags)
{
stringStream ss(buf, buflen);
ss.print("stacksize: " SIZE_FORMAT "k, ", stacksize / 1024);
ss.print("flags: ");
#define PRINT_FLAG(f) if (flags & f) ss.print( XSTR(f) " ");
#define ALL(X) \
X(THR_SUSPENDED) \
X(THR_DETACHED) \
X(THR_BOUND) \
X(THR_NEW_LWP) \
X(THR_DAEMON)
ALL(PRINT_FLAG)
#undef ALL
#undef PRINT_FLAG
return buf;
}
bool os::create_thread(Thread* thread, ThreadType thr_type,
size_t stack_size) {
@ -974,10 +1003,17 @@ bool os::create_thread(Thread* thread, ThreadType thr_type,
osthread->set_thread_id(-1);
status = thr_create(NULL, stack_size, java_start, thread, flags, &tid);
char buf[64];
if (status == 0) {
log_info(os, thread)("Thread started (pthread id: " UINTX_FORMAT ", attributes: %s). ",
(uintx) tid, describe_thr_create_attributes(buf, sizeof(buf), stack_size, flags));
} else {
log_warning(os, thread)("Failed to start thread - thr_create failed (%s) for attributes: %s.",
strerror(status), describe_thr_create_attributes(buf, sizeof(buf), stack_size, flags));
}
if (status != 0) {
if (PrintMiscellaneous && (Verbose || WizardMode)) {
perror("os::create_thread");
}
thread->set_osthread(NULL);
// Need to clean up stuff we've allocated so far
delete osthread;