8223040: Add a AsyncGetCallTrace test
Add a AsyncGetCallTrace test Reviewed-by: sspitsyn, dcubed
This commit is contained in:
Jean Christophe Beyler
parent
1772172053
commit
4e2ebd3937
@ -864,9 +864,10 @@ ifeq ($(call isTargetOs, linux), true)
|
||||
BUILD_HOTSPOT_JTREG_EXECUTABLES_LIBS_exestack-gap := -ljvm -lpthread
|
||||
BUILD_TEST_exeinvoke_exeinvoke.c_OPTIMIZATION := NONE
|
||||
BUILD_HOTSPOT_JTREG_EXECUTABLES_LIBS_exeFPRegs := -ldl
|
||||
BUILD_HOTSPOT_JTREG_LIBRARIES_LDFLAGS_libAsyncGetCallTraceTest := -ldl
|
||||
else
|
||||
BUILD_HOTSPOT_JTREG_EXCLUDE += libtest-rw.c libtest-rwx.c libTestJNI.c \
|
||||
exeinvoke.c exestack-gap.c
|
||||
exeinvoke.c exestack-gap.c libAsyncGetCallTraceTest.cpp
|
||||
endif
|
||||
|
||||
BUILD_HOTSPOT_JTREG_EXECUTABLES_LIBS_exesigtest := -ljvm
|
||||
|
||||
@ -0,0 +1,53 @@
|
||||
/*
|
||||
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2019, Google and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
package MyPackage;
|
||||
|
||||
/**
|
||||
* @test
|
||||
* @summary Verifies that AsyncGetCallTrace is call-able and provides sane information.
|
||||
* @compile ASGCTBaseTest.java
|
||||
* @requires (os.family == "linux")
|
||||
* @run main/othervm/native -agentlib:AsyncGetCallTraceTest MyPackage.ASGCTBaseTest
|
||||
*/
|
||||
|
||||
public class ASGCTBaseTest {
|
||||
static {
|
||||
try {
|
||||
System.loadLibrary("AsyncGetCallTraceTest");
|
||||
} catch (UnsatisfiedLinkError ule) {
|
||||
System.err.println("Could not load AsyncGetCallTrace library");
|
||||
System.err.println("java.library.path: " + System.getProperty("java.library.path"));
|
||||
throw ule;
|
||||
}
|
||||
}
|
||||
|
||||
private static native boolean checkAsyncGetCallTraceCall();
|
||||
|
||||
public static void main(String[] args) {
|
||||
if (!checkAsyncGetCallTraceCall()) {
|
||||
throw new RuntimeException("AsyncGetCallTrace call failed.");
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,236 @@
|
||||
/*
|
||||
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2019, Google and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
#include <assert.h>
|
||||
#include <dlfcn.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "jvmti.h"
|
||||
|
||||
static jvmtiEnv* jvmti;
|
||||
|
||||
template <class T>
|
||||
class JvmtiDeallocator {
|
||||
public:
|
||||
JvmtiDeallocator() {
|
||||
elem_ = NULL;
|
||||
}
|
||||
|
||||
~JvmtiDeallocator() {
|
||||
jvmti->Deallocate(reinterpret_cast<unsigned char*>(elem_));
|
||||
}
|
||||
|
||||
T* get_addr() {
|
||||
return &elem_;
|
||||
}
|
||||
|
||||
T get() {
|
||||
return elem_;
|
||||
}
|
||||
|
||||
private:
|
||||
T elem_;
|
||||
};
|
||||
|
||||
static void GetJMethodIDs(jclass klass) {
|
||||
jint method_count = 0;
|
||||
JvmtiDeallocator<jmethodID*> methods;
|
||||
jvmtiError err = jvmti->GetClassMethods(klass, &method_count, methods.get_addr());
|
||||
|
||||
// If ever the GetClassMethods fails, just ignore it, it was worth a try.
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "GetJMethodIDs: Error in GetClassMethods: %d\n", err);
|
||||
}
|
||||
}
|
||||
|
||||
// AsyncGetCallTrace needs class loading events to be turned on!
|
||||
static void JNICALL OnClassLoad(jvmtiEnv *jvmti, JNIEnv *jni_env,
|
||||
jthread thread, jclass klass) {
|
||||
}
|
||||
|
||||
static void JNICALL OnClassPrepare(jvmtiEnv *jvmti, JNIEnv *jni_env,
|
||||
jthread thread, jclass klass) {
|
||||
// We need to do this to "prime the pump" and get jmethodIDs primed.
|
||||
GetJMethodIDs(klass);
|
||||
}
|
||||
|
||||
static void JNICALL OnVMInit(jvmtiEnv *jvmti, JNIEnv *jni_env, jthread thread) {
|
||||
jint class_count = 0;
|
||||
|
||||
// Get any previously loaded classes that won't have gone through the
|
||||
// OnClassPrepare callback to prime the jmethods for AsyncGetCallTrace.
|
||||
JvmtiDeallocator<jclass*> classes;
|
||||
jvmtiError err = jvmti->GetLoadedClasses(&class_count, classes.get_addr());
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "OnVMInit: Error in GetLoadedClasses: %d\n", err);
|
||||
return;
|
||||
}
|
||||
|
||||
// Prime any class already loaded and try to get the jmethodIDs set up.
|
||||
jclass *classList = classes.get();
|
||||
for (int i = 0; i < class_count; ++i) {
|
||||
GetJMethodIDs(classList[i]);
|
||||
}
|
||||
}
|
||||
|
||||
extern "C" {
|
||||
|
||||
static
|
||||
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
|
||||
jint res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION);
|
||||
if (res != JNI_OK || jvmti == NULL) {
|
||||
fprintf(stderr, "Error: wrong result of a valid call to GetEnv!\n");
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
jvmtiError err;
|
||||
jvmtiCapabilities caps;
|
||||
memset(&caps, 0, sizeof(caps));
|
||||
caps.can_get_line_numbers = 1;
|
||||
caps.can_get_source_file_name = 1;
|
||||
|
||||
err = jvmti->AddCapabilities(&caps);
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "AgentInitialize: Error in AddCapabilities: %d\n", err);
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
jvmtiEventCallbacks callbacks;
|
||||
memset(&callbacks, 0, sizeof(callbacks));
|
||||
callbacks.ClassLoad = &OnClassLoad;
|
||||
callbacks.VMInit = &OnVMInit;
|
||||
callbacks.ClassPrepare = &OnClassPrepare;
|
||||
|
||||
err = jvmti->SetEventCallbacks(&callbacks, sizeof(jvmtiEventCallbacks));
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "AgentInitialize: Error in SetEventCallbacks: %d\n", err);
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
err = jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_CLASS_LOAD, NULL);
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "AgentInitialize: Error in SetEventNotificationMode for CLASS_LOAD: %d\n", err);
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
err = jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_CLASS_PREPARE, NULL);
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr,
|
||||
"AgentInitialize: Error in SetEventNotificationMode for CLASS_PREPARE: %d\n",
|
||||
err);
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
err = jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL);
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(
|
||||
stderr, "AgentInitialize: Error in SetEventNotificationMode for VM_INIT: %d\n",
|
||||
err);
|
||||
return JNI_ERR;
|
||||
}
|
||||
|
||||
return JNI_OK;
|
||||
}
|
||||
|
||||
JNIEXPORT
|
||||
jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
|
||||
return Agent_Initialize(jvm, options, reserved);
|
||||
}
|
||||
|
||||
JNIEXPORT
|
||||
jint JNICALL Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
|
||||
return Agent_Initialize(jvm, options, reserved);
|
||||
}
|
||||
|
||||
JNIEXPORT
|
||||
jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
|
||||
return JNI_VERSION_1_8;
|
||||
}
|
||||
|
||||
// A copy of the ASGCT data structures.
|
||||
typedef struct {
|
||||
jint lineno; // line number in the source file
|
||||
jmethodID method_id; // method executed in this frame
|
||||
} ASGCT_CallFrame;
|
||||
|
||||
typedef struct {
|
||||
JNIEnv *env_id; // Env where trace was recorded
|
||||
jint num_frames; // number of frames in this trace
|
||||
ASGCT_CallFrame *frames; // frames
|
||||
} ASGCT_CallTrace;
|
||||
|
||||
typedef void (*ASGCTType)(ASGCT_CallTrace *, jint, void *);
|
||||
|
||||
JNIEXPORT jboolean JNICALL
|
||||
Java_MyPackage_ASGCTBaseTest_checkAsyncGetCallTraceCall(JNIEnv* env, jclass cls) {
|
||||
ASGCTType agct = reinterpret_cast<ASGCTType>(dlsym(NULL, "AsyncGetCallTrace"));
|
||||
|
||||
const int MAX_DEPTH = 16;
|
||||
ASGCT_CallTrace trace;
|
||||
ASGCT_CallFrame frames[MAX_DEPTH];
|
||||
trace.frames = frames;
|
||||
trace.env_id = env;
|
||||
trace.num_frames = 0;
|
||||
|
||||
if (agct == NULL) {
|
||||
fprintf(stderr, "AsyncGetCallTrace not found.\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
agct(&trace, MAX_DEPTH, NULL);
|
||||
|
||||
// For now, just check that the first frame is (-3, checkAsyncGetCallTraceCall).
|
||||
if (trace.num_frames <= 0) {
|
||||
fprintf(stderr, "The num_frames must be positive: %d\n", trace.num_frames);
|
||||
return false;
|
||||
}
|
||||
|
||||
// AsyncGetCallTrace returns -3 as line number for a native frame.
|
||||
if (trace.frames[0].lineno != -3) {
|
||||
fprintf(stderr, "lineno is not -3 as expected: %d\n", trace.frames[0].lineno);
|
||||
return false;
|
||||
}
|
||||
|
||||
JvmtiDeallocator<char*> name;
|
||||
if (trace.frames[0].method_id == NULL) {
|
||||
fprintf(stderr, "First frame method_id is NULL\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
jvmtiError err = jvmti->GetMethodName(trace.frames[0].method_id, name.get_addr(), NULL, NULL);
|
||||
if (err != JVMTI_ERROR_NONE) {
|
||||
fprintf(stderr, "checkAsyncGetCallTrace: Error in GetMethodName: %d\n", err);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (name.get() == NULL) {
|
||||
fprintf(stderr, "Name is NULL\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
return strcmp(name.get(), "checkAsyncGetCallTraceCall") == 0;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user