Re: [testing] trying to run freemind with harmony

Geir Magnusson Jr. Thu, 17 Aug 2006 09:16:29 -0700

well, yeah.  clearly it's DRLVM

geir


On Aug 17, 2006, at 11:34 AM, Tim Ellison wrote:

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 <[EMAIL PROTECTED]>:

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 mostlikely

caused by some other reason -- not the java heap shortage.

I have just grepped DRLVM and found about 25 places where OOM isthrown

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 forthis class

-            // ppervov: TODO: throw OutOfMemoryError

+ INFO2("oom", "couldn't allocate java.lang.Classinstance

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 exceptionobject "

+                    << 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 allocatingarray");

        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 allocatingprimitive

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 allocatingarray");

        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 ([EMAIL PROTECTED])
IBM Java technology centre, UK.

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Re: [testing] trying to run freemind with harmony

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