299 lines
9.8 KiB
C++
299 lines
9.8 KiB
C++
/*
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* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "jvmti.h"
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#include "agent_common.hpp"
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#include "jni_tools.hpp"
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#include "jvmti_tools.hpp"
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extern "C" {
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/* ============================================================================= */
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static jlong timeout = 0;
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#define STATUS_FAIL 97
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#define EVENTS_COUNT 2
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static jvmtiEvent events[EVENTS_COUNT] = {
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JVMTI_EVENT_VM_INIT,
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JVMTI_EVENT_VM_DEATH
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};
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#define THREAD_EVENTS_COUNT 2
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static jvmtiEvent threadEvents[THREAD_EVENTS_COUNT] = {
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JVMTI_EVENT_THREAD_START,
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JVMTI_EVENT_THREAD_END
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};
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static jvmtiTimerInfo initInfo;
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/* ============================================================================= */
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/**
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* Get timer info and optionally compares it with initial one.
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* @returns NSK_FALSE if any error occured.
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*/
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static int checkTimerInfo(jvmtiEnv* jvmti, jvmtiTimerInfo* info,
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jvmtiTimerInfo* initInfo, const char where[]) {
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char buf[64], buf2[64];
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int success = NSK_TRUE;
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NSK_DISPLAY0("GetCurrentThreadCpuTimerInfo() for current JVMTI env\n");
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetCurrentThreadCpuTimerInfo(info))) {
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return NSK_FALSE;
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}
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NSK_DISPLAY0("Got timer info:\n");
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NSK_DISPLAY1(" max_value: %s\n",
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julong_to_string((julong)info->max_value, buf));
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NSK_DISPLAY1(" may_skip_forward: %d\n", (int)info->may_skip_forward);
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NSK_DISPLAY1(" may_skip_backward: %d\n", (int)info->may_skip_backward);
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if (initInfo != nullptr) {
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NSK_DISPLAY0("Compare with initial timer info\n");
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if (info->max_value != initInfo->max_value) {
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NSK_COMPLAIN4("In %s GetCurrentThreadCpuTimerInfo() returned different info:\n"
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"# field: %s\n"
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"# got value: %s\n"
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"# initial: %s\n",
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where, "max_value",
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julong_to_string((julong)info->max_value, buf),
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julong_to_string((julong)initInfo->max_value, buf2));
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success = NSK_FALSE;
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}
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if (info->may_skip_forward != initInfo->may_skip_forward) {
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NSK_COMPLAIN4("In %s GetCurrentThreadCpuTimerInfo() returned different info:\n"
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"# field: %s\n"
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"# got value: %d\n"
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"# initial: %d\n",
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where, "may_skip_forward",
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(int)info->may_skip_forward,
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(int)initInfo->may_skip_forward);
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success = NSK_FALSE;
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}
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if (info->may_skip_backward != initInfo->may_skip_backward) {
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NSK_COMPLAIN4("In %s GetCurrentThreadCpuTimerInfo() returned different info:\n"
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"# field: %s\n"
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"# got value: %d\n"
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"# initial: %d\n",
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where, "may_skip_backward",
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(int)info->may_skip_backward,
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(int)initInfo->may_skip_backward);
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success = NSK_FALSE;
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}
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}
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return success;
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}
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/* ============================================================================= */
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/** Agent algorithm. */
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static void JNICALL
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agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
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NSK_DISPLAY0("Wait for debugee to become ready\n");
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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NSK_DISPLAY0(">>> Testcase #2: Check timer info in agent thread\n");
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{
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jvmtiTimerInfo info;
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if (!checkTimerInfo(jvmti, &info, &initInfo, "agent thread")) {
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nsk_jvmti_setFailStatus();
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}
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}
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NSK_DISPLAY0(">>> Testcases #3,4: Check timer info in thread events\n");
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{
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NSK_DISPLAY1("Enable thread events: %d events\n", THREAD_EVENTS_COUNT);
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if (nsk_jvmti_enableEvents(JVMTI_ENABLE, THREAD_EVENTS_COUNT, threadEvents, nullptr)) {
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NSK_DISPLAY0(" ... enabled\n");
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}
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NSK_DISPLAY0("Let tested thread to start and finish\n");
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if (!nsk_jvmti_resumeSync())
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return;
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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NSK_DISPLAY1("Disable thread events: %d events\n", THREAD_EVENTS_COUNT);
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if (nsk_jvmti_enableEvents(JVMTI_DISABLE, THREAD_EVENTS_COUNT, threadEvents, nullptr)) {
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NSK_DISPLAY0(" ... disabled\n");
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}
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}
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NSK_DISPLAY0("Let debugee to finish\n");
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if (!nsk_jvmti_resumeSync())
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return;
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}
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/* ============================================================================= */
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/**
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* Callback for VM_INIT event.
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*/
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JNIEXPORT void JNICALL
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callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) {
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NSK_DISPLAY0(">>> Testcase #1: Check initial timer info in VM_INIT callback\n");
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{
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if (!checkTimerInfo(jvmti, &initInfo, nullptr, "VM_INIT callback")) {
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nsk_jvmti_setFailStatus();
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}
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}
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}
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/**
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* Callback for VM_DEATH event.
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*/
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JNIEXPORT void JNICALL
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callbackVMDeath(jvmtiEnv* jvmti, JNIEnv* jni) {
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int success = NSK_TRUE;
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NSK_DISPLAY0(">>> Testcase #5: Check timer info in VM_DEATH callback\n");
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{
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jvmtiTimerInfo info;
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success = checkTimerInfo(jvmti, &info, &initInfo, "VM_DEATH callback");
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}
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NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT);
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if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, events, nullptr)) {
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success = NSK_FALSE;
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} else {
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NSK_DISPLAY0(" ... disabled\n");
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}
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if (!success) {
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NSK_DISPLAY1("Exit with FAIL exit status: %d\n", STATUS_FAIL);
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NSK_BEFORE_TRACE(exit(STATUS_FAIL));
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}
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}
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/* ============================================================================= */
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/**
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* Callback for THREAD_START event.
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*/
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JNIEXPORT void JNICALL
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callbackThreadStart(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) {
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NSK_DISPLAY0(">>> Testcase #3: Check timer info in THREAD_START callback\n");
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{
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jvmtiTimerInfo info;
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if (!checkTimerInfo(jvmti, &info, &initInfo, "THREAD_START callback")) {
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nsk_jvmti_setFailStatus();
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}
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}
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}
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/**
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* Callback for THREAD_END event.
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*/
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JNIEXPORT void JNICALL
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callbackThreadEnd(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) {
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NSK_DISPLAY0(">>> Testcase #4: Check timer info in THREAD_END callback\n");
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{
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jvmtiTimerInfo info;
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if (!checkTimerInfo(jvmti, &info, &initInfo, "THREAD_END callback")) {
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nsk_jvmti_setFailStatus();
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}
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}
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}
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/* ============================================================================= */
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/** Agent library initialization. */
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_curthrtimerinfo001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_curthrtimerinfo001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_curthrtimerinfo001(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jvmtiEnv* jvmti = nullptr;
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != nullptr))
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return JNI_ERR;
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NSK_DISPLAY1("Add required capability: %s\n", "can_get_current_thread_cpu_time");
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{
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jvmtiCapabilities caps;
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memset(&caps, 0, sizeof(caps));
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caps.can_get_current_thread_cpu_time = 1;
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if (!NSK_JVMTI_VERIFY(
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jvmti->AddCapabilities(&caps))) {
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return JNI_ERR;
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}
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}
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NSK_DISPLAY0(" ... capability added\n");
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NSK_DISPLAY1("Set events callbacks: %s\n", "VM_INIT, VM_DEATH, THREAD_START, THREAD_END");
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{
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jvmtiEventCallbacks eventCallbacks;
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memset(&eventCallbacks, 0, sizeof(eventCallbacks));
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eventCallbacks.VMInit = callbackVMInit;
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eventCallbacks.VMDeath = callbackVMDeath;
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eventCallbacks.ThreadStart = callbackThreadStart;
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eventCallbacks.ThreadEnd = callbackThreadEnd;
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if (!NSK_JVMTI_VERIFY(
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jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks)))) {
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return JNI_ERR;
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}
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}
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NSK_DISPLAY0(" ... callbacks set\n");
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, nullptr)))
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return JNI_ERR;
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NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT);
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if (nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, events, nullptr)) {
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NSK_DISPLAY0(" ... enabled\n");
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}
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return JNI_OK;
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}
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/* ============================================================================= */
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}
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