1 /* 2 * Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "code/nmethod.hpp" 26 #include "compiler/compilationLog.hpp" 27 #include "compiler/compileTask.hpp" 28 #include "logging/log.hpp" 29 #include "memory/resourceArea.hpp" 30 #include "runtime/thread.hpp" 31 #include "utilities/ostream.hpp" 32 33 CompilationLog* CompilationLog::_log; 34 35 CompilationLog::CompilationLog() : StringEventLog("Compilation events", "jit") { 36 } 37 38 void CompilationLog::log_compile(JavaThread* thread, CompileTask* task) { 39 StringLogMessage lm; 40 stringStream sstr(lm.buffer(), lm.size()); 41 // msg.time_stamp().update_to(tty->time_stamp().ticks()); 42 task->print(&sstr, nullptr, true, false); 43 log(thread, "%s", (const char*)lm); 44 } 45 46 void CompilationLog::log_nmethod(JavaThread* thread, nmethod* nm) { 47 log(thread, "nmethod %d%s " INTPTR_FORMAT " code [" INTPTR_FORMAT ", " INTPTR_FORMAT "]", 48 nm->compile_id(), nm->is_osr_method() ? "%" : "", 49 p2i(nm), p2i(nm->code_begin()), p2i(nm->code_end())); 50 } 51 52 void CompilationLog::log_failure(JavaThread* thread, CompileTask* task, const char* reason, const char* retry_message) { 53 StringLogMessage lm; 54 if (task == nullptr) { 55 lm.print("Id not known, task was 0; COMPILE SKIPPED: %s", reason); 56 } else { 57 lm.print("%4d COMPILE SKIPPED: %s", task->compile_id(), reason); 58 } 59 if (retry_message != nullptr) { 60 lm.append(" (%s)", retry_message); 61 } 62 lm.print("\n"); 63 log(thread, "%s", (const char*)lm); 64 } 65 66 void CompilationLog::log_metaspace_failure(const char* reason) { 67 // Note: This method can be called from non-Java/compiler threads to 68 // log the global metaspace failure that might affect profiling. 69 ResourceMark rm; 70 StringLogMessage lm; 71 lm.print("%4d COMPILE PROFILING SKIPPED: %s", -1, reason); 72 lm.print("\n"); 73 log(Thread::current(), "%s", (const char*)lm); 74 } 75 76 void CompilationLog::init() { 77 _log = new CompilationLog(); 78 }