/* src/vm/jit/optimizing/profile.c - runtime profiling
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- Changes:
-
- $Id: cacao.c 4357 2006-01-22 23:33:38Z twisti $
-
*/
#include "vm/types.h"
-#include "mm/memory.h"
-#include "native/jni.h"
-#include "native/include/java_lang_Thread.h"
-#include "native/include/java_lang_VMThread.h"
+#include "mm/memory.hpp"
-#if defined(ENABLE_THREADS)
-# include "threads/native/threads.h"
-#endif
+#include "threads/threadlist.hpp"
+#include "threads/thread.hpp"
-#include "vm/builtin.h"
-#include "vm/class.h"
-#include "vm/classcache.h"
-#include "vm/method.h"
+#include "vm/jit/builtin.hpp"
+#include "vm/class.hpp"
+#include "vm/classcache.hpp"
+#include "vm/method.hpp"
#include "vm/options.h"
-#include "vm/stringlocal.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/methodheader.h"
-#include "vm/jit/optimizing/recompile.h"
-
+#include "vm/string.hpp"
-/* global variables ***********************************************************/
+#include "vm/jit/jit.hpp"
+#include "vm/jit/methodheader.h"
+#include "vm/jit/methodtree.h"
-#if defined(ENABLE_THREADS)
-static java_lang_VMThread *profile_vmthread;
-#endif
+#include "vm/jit/optimizing/recompiler.hpp"
/* profile_init ****************************************************************
threads_sleep(0, nanos);
runs++;
- /* iterate over all started threads */
+ // Lock the thread lists.
+ ThreadList_lock();
- t = mainthreadobj;
+#if 0
+ /* iterate over all started threads */
- do {
+ for (t = ThreadList_first(); t != NULL; t = ThreadList_next(t)) {
/* is this a Java thread? */
- if (t->flags & THREAD_FLAG_JAVA) {
- /* send SIGUSR2 to thread to get the current PC */
+ if (!(t->flags & THREAD_FLAG_JAVA))
+ continue;
- pthread_kill(t->tid, SIGUSR2);
+ /* send SIGUSR2 to thread to get the current PC */
+ /* XXX write a threads-function for that */
- /* the thread object now contains the current thread PC */
+ pthread_kill(t->tid, SIGUSR2);
- pc = t->pc;
+ /* the thread object now contains the current thread PC */
- /* get the PV for the current PC */
+ pc = t->pc;
- pv = codegen_get_pv_from_pc_nocheck(pc);
+ /* Get the PV for the current PC. */
- /* get methodinfo pointer from data segment */
+ pv = methodtree_find_nocheck(pc);
- if (pv == NULL) {
- misses++;
- }
- else {
- code = *((codeinfo **) (pv + CodeinfoPointer));
+ /* get methodinfo pointer from data segment */
- /* For asm_vm_call_method the codeinfo pointer is
- NULL (which is also in the method tree). */
+ if (pv == NULL) {
+ misses++;
+ }
+ else {
+ code = *((codeinfo **) (pv + CodeinfoPointer));
- if (code != NULL) {
- m = code->m;
+ /* For asm_vm_call_method the codeinfo pointer is NULL
+ (which is also in the method tree). */
- /* native methods are never recompiled */
+ if (code != NULL) {
+ m = code->m;
- if (!(m->flags & ACC_NATIVE)) {
- /* increase the method incovation counter */
+ /* native methods are never recompiled */
- code->frequency++;
- hits++;
+ if (!(m->flags & ACC_NATIVE)) {
+ /* increase the method incovation counter */
- if (code->frequency > 500) {
- /* clear frequency count before
- recompilation */
+ code->frequency++;
+ hits++;
- code->frequency = 0;
+ if (code->frequency > 500) {
+ /* clear frequency count before
+ recompilation */
- /* add this method to the method list
- and start recompilation */
+ code->frequency = 0;
- recompile_queue_method(m);
- }
+ /* add this method to the method list and
+ start recompilation */
+
+ Recompiler_queue_method(m);
}
}
}
}
+ }
+#endif
- t = t->next;
- } while ((t != NULL) && (t != mainthreadobj));
+ // Unlock the thread lists.
+ ThreadList_unlock();
}
}
#endif
#if defined(ENABLE_THREADS)
bool profile_start_thread(void)
{
- java_lang_Thread *t;
+ utf *name;
- /* create the profile object */
+ name = utf_new_char("Profiling Sampler");
- profile_vmthread =
- (java_lang_VMThread *) builtin_new(class_java_lang_VMThread);
-
- if (profile_vmthread == NULL)
+ if (!threads_thread_start_internal(name, profile_thread))
return false;
- t = (java_lang_Thread *) builtin_new(class_java_lang_Thread);
-
- t->vmThread = profile_vmthread;
- t->name = javastring_new_from_ascii("Profiling Sampler");
- t->daemon = true;
- t->priority = 5;
-
- profile_vmthread->thread = t;
-
- /* actually start the profile sampling thread */
-
- threads_start_thread(t, profile_thread);
-
/* everything's ok */
return true;
#if !defined(NDEBUG)
void profile_printstats(void)
{
- list *l;
- list_method_entry *lme;
- list_method_entry *tlme;
classinfo *c;
methodinfo *m;
codeinfo *code;
frequency = 0;
cycles = 0;
+#if 0
/* create new method list */
-
- l = list_create(OFFSET(list_method_entry, linkage));
+ // TODO Use a sorted container.
+ List* l = List_new();
/* iterate through all classes and methods */
frequency += code->frequency;
cycles += code->cycles;
- /* create new list entry */
-
- lme = NEW(list_method_entry);
- lme->m = m;
-
/* sort the new entry into the list */
- if ((tlme = list_first(l)) == NULL) {
- list_add_first(l, lme);
+ if (List_empty(l) == NULL) {
+ List_push_back(l, m);
}
else {
for (; tlme != NULL; tlme = list_next(l, tlme)) {
j, code->bbfrequency[j]);
}
}
+#endif
printf("----------- -------------- \n");
printf("%10d %12ld\n", frequency, (long) cycles);
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