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From Tim Ellison <t.p.elli...@gmail.com>
Subject Re: [testing] trying to run freemind with harmony
Date Thu, 17 Aug 2006 15:34:38 GMT
FYI : cannot reproduce on the classlib r432241 running on IBM VME
Windows XP.  Freemind seems to work fine there[1].

[1] http://people.apache.org/~tellison/Harmony-1209.jpg

Regards,
Tim

Alexey Petrenko wrote:
> Salikh,
> 
> as far as I understood he runs a snapshot...
> 
> SY, Alexey
> 
> 2006/8/17, Salikh Zakirov <Salikh.Zakirov@intel.com>:
>> Iñigo wrote:
>> > C:\Archivos de programa\FreeMind\lib>java -Xmx1g -verbose:gc* -jar
>> > freemind.jar
>> > GC v4 M1-39 (2006-03-28)
>> > GC will incrementally slide compact at each GC, using algorithm = 2
>> > Chunks will be swept on allocation
>> > WARNING: final heap size is too large, reduced to 900 Mb
>> > java heap initial size 64 Mb, maximum size 900 Mb (38400000h),
>> addresses
>> > range 2
>> > 0020000 - 58420000
>> > java.lang.OutOfMemoryError
>> >         <no stack trace available>
>>
>> Iñigo, the log above doesn't have any collection messages, thus
>> no collection had taken place, and the OutOfMemoryError is most likely
>> caused by some other reason -- not the java heap shortage.
>>
>> I have just grepped DRLVM and found about 25 places where OOM is thrown
>> explicitly in the VM.
>>
>> Applying following patch and running with '-verbose:oom -verbose:gc*'
>> may shed some light on the reason of the problem.
>>
>> -- >8 --
>> diff --git vm/vmcore/src/class_support/Class_File_Loader.cpp
>> vm/vmcore/src/class_support/Class_File_Loader.cpp
>> index 0ec087f..259cc87 100644
>> --- vm/vmcore/src/class_support/Class_File_Loader.cpp
>> +++ vm/vmcore/src/class_support/Class_File_Loader.cpp
>> @@ -518,6 +518,7 @@ bool Field::parse(Class *clss, Const_Poo
>>         //std::stringstream ss;
>>         //ss << clss->name->bytes << ": could not create type
>> descriptor for field " << get_name();
>>         //jthrowable exn = exn_create("java/lang/OutOfMemoryError",
>> ss.str().c_str());
>> +        INFO2("oom", "out of memory when creating type desc");
>>        
>> exn_raise_only(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return false;
>>     }
>> diff --git vm/vmcore/src/class_support/classloader.cpp
>> vm/vmcore/src/class_support/classloader.cpp
>> index ea4e231..12e9ea1 100644
>> --- vm/vmcore/src/class_support/classloader.cpp
>> +++ vm/vmcore/src/class_support/classloader.cpp
>> @@ -1139,8 +1139,7 @@ Class* ClassLoader::AllocateAndReportIns
>>         if(new_java_lang_Class == NULL)
>>         {
>>             tmn_suspend_enable();
>> -            // couldn't allocate java.lang.Class instance for this class
>> -            // ppervov: TODO: throw OutOfMemoryError
>> +            INFO2("oom", "couldn't allocate java.lang.Class instance
>> for this class");
>>             exn_raise_only(
>>                 VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>             return NULL;
>> diff --git vm/vmcore/src/exception/exceptions.cpp
>> vm/vmcore/src/exception/exceptions.cpp
>> index f37a0af..996d9c4 100644
>> --- vm/vmcore/src/exception/exceptions.cpp
>> +++ vm/vmcore/src/exception/exceptions.cpp
>> @@ -153,6 +153,8 @@ static jthrowable create_exception(const
>>
>>     if (!e) {
>>         tmn_suspend_enable();
>> +        INFO2("oom", "out of memory on creating exception object "
>> +                << exception_name);
>>         return VM_Global_State::loader_env->java_lang_OutOfMemoryError;
>>     }
>>
>> @@ -180,6 +182,8 @@ static jthrowable create_exception(const
>>
>>     if (!e) {
>>         tmn_suspend_enable();
>> +        INFO2("oom", "out of memory on creating exception object "
>> +                << exception_name);
>>         return VM_Global_State::loader_env->java_lang_OutOfMemoryError;
>>     }
>>
>> @@ -216,6 +220,8 @@ static jthrowable create_exception(const
>>
>>     if (!exc_obj) {
>>         tmn_suspend_enable();
>> +        INFO2("oom", "out of memory on creating exception object "
>> +                << exception_name);
>>         return VM_Global_State::loader_env->java_lang_OutOfMemoryError;
>>     }
>>
>> @@ -230,6 +236,8 @@ static jthrowable create_exception(const
>>
>>         if (!arg_obj) {
>>             tmn_suspend_enable();
>> +            INFO2("oom", "out of memory on creating exception object "
>> +                    << exception_name);
>>             return
>> VM_Global_State::loader_env->java_lang_OutOfMemoryError;
>>         }
>>
>> diff --git vm/vmcore/src/jit/jit_runtime_support.cpp
>> vm/vmcore/src/jit/jit_runtime_support.cpp
>> index de30891..88d547c 100644
>> --- vm/vmcore/src/jit/jit_runtime_support.cpp
>> +++ vm/vmcore/src/jit/jit_runtime_support.cpp
>> @@ -1834,6 +1834,7 @@ void *vm_malloc_with_thread_pointer(
>>     assert(!tmn_is_suspend_enabled());
>>     void *result = gc_alloc(size,ah,tp);
>>     if (!result) {
>> +        INFO2("oom", "out of gc heap memory");
>>        
>> exn_throw(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return 0; // whether this return is reached or not is solved
>> via is_unwindable state
>>     }
>> @@ -1863,6 +1864,7 @@ #endif //VM_STATS
>>         gc_alloc(c->instance_data_size,
>>             c->allocation_handle, vm_get_gc_thread_local());
>>     if (!o) {
>> +        INFO2("oom", "out of gc heap memory");
>>         exn_throw(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         //tmn_suspend_enable();
>> @@ -1887,6 +1889,7 @@ #endif //VM_STATS
>>         gc_alloc(vtable->allocated_size,
>>             vtable->clss->allocation_handle, vm_get_gc_thread_local());
>>     if (!o) {
>> +        INFO2("oom", "out of gc heap memory");
>>         exn_throw(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return NULL; // reached by interpreter and from JNI
>> @@ -1916,6 +1919,7 @@ class_alloc_new_object_and_run_construct
>>     obj->object = (ManagedObject*)
>>         gc_alloc(clss->instance_data_size, clss->allocation_handle,
>> vm_get_gc_thread_local());
>>     if (!obj->object) {
>> +        INFO2("oom", "out of gc heap memory");
>>         exn_throw_only(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return 0; // should never be reached
>> diff --git vm/vmcore/src/jni/jni.cpp vm/vmcore/src/jni/jni.cpp
>> index b730214..7a3d6fa 100644
>> --- vm/vmcore/src/jni/jni.cpp
>> +++ vm/vmcore/src/jni/jni.cpp
>> @@ -657,6 +657,7 @@ jobject JNICALL NewLocalRef(JNIEnv *env,
>>     if (NULL == h)
>>     {
>>         tmn_suspend_enable();
>> +        INFO2("oom", "out of native heap memory on creating local
>> reference");
>>         exn_raise_only(
>>            
>> (jthrowable)(((JNIEnv_Internal*)env)->vm->vm_env->java_lang_OutOfMemoryError));
>>
>>         return NULL;
>> diff --git vm/vmcore/src/jni/jni_utils.cpp
>> vm/vmcore/src/jni/jni_utils.cpp
>> index 185bb6c..1c1380c 100644
>> --- vm/vmcore/src/jni/jni_utils.cpp
>> +++ vm/vmcore/src/jni/jni_utils.cpp
>> @@ -251,6 +251,7 @@ char* ParameterTypesToMethodSignature (J
>>
>>     if (NULL == sig) {
>>         //throw_exception_from_jni (env, "java/lang/OutOfMemoryError",
>> name);
>> +        INFO2("oom", "out of memory on creating class signature");
>>        
>> exn_raise_only(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return (char *)0;
>>     }
>> diff --git vm/vmcore/src/object/vm_arrays.cpp
>> vm/vmcore/src/object/vm_arrays.cpp
>> index 5f407fc..73acaf6 100644
>> --- vm/vmcore/src/object/vm_arrays.cpp
>> +++ vm/vmcore/src/object/vm_arrays.cpp
>> @@ -106,6 +106,7 @@ #ifdef VM_STATS
>>  #endif //VM_STATS
>>
>>     if (NULL == object_array) {
>> +        INFO2("oom", "out of java heap memory on allocating array");
>>         exn_throw(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return NULL; // may be reached on interpreter or when called
>> from jni
>> @@ -152,6 +153,7 @@ #ifdef VM_STATS
>>  #endif //VM_STATS
>>
>>     if (NULL == vector) {
>> +        INFO2("oom", "out of java heap memory on allocating primitive
>> array");
>>         exn_throw(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return 0; // may be reached when interpreter is used
>> @@ -227,6 +229,7 @@ #endif //VM_STATS
>>     assert( ! tmn_is_suspend_enabled());
>>
>>     if (NULL == vector) {
>> +        INFO2("oom", "out of java heap memory on allocating array");
>>         exn_throw(
>>             VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return 0; // should never be reached
>> diff --git vm/vmcore/src/thread/object_generic.cpp
>> vm/vmcore/src/thread/object_generic.cpp
>> index 11296e5..234c340 100644
>> --- vm/vmcore/src/thread/object_generic.cpp
>> +++ vm/vmcore/src/thread/object_generic.cpp
>> @@ -387,6 +387,7 @@ jobject object_clone(JNIEnv *jenv, jobje
>>     }
>>     if (result == NULL) {
>>         tmn_suspend_enable();
>> +        INFO2("oom", "out of java heap memory on cloning object");
>>        
>> exn_throw(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return NULL;
>>     }
>> diff --git vm/vmcore/src/util/vm_strings.cpp
>> vm/vmcore/src/util/vm_strings.cpp
>> index f1fe7cb..7bf04b2 100644
>> --- vm/vmcore/src/util/vm_strings.cpp
>> +++ vm/vmcore/src/util/vm_strings.cpp
>> @@ -245,6 +245,7 @@ static void string_create(unsigned unico
>>     Vector_Handle array = gc_alloc(sz, clss->allocation_handle,
>> vm_get_gc_thread_local());
>>     if (!array) { // OutOfMemory should be thrown
>>         *str = NULL;
>> +        INFO2("oom", "out of java heap memory on string creation");
>>        
>> exn_throw(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
>>         return;
>>     }
>>
>>
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>>
> 
> 

-- 

Tim Ellison (t.p.ellison@gmail.com)
IBM Java technology centre, UK.

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