| /* |
| * Copyright (c) 2015, 2016, Oracle 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. |
| * |
| */ |
| #ifndef SHARE_VM_LOGGING_LOGTAG_HPP |
| #define SHARE_VM_LOGGING_LOGTAG_HPP |
| |
| #include "logging/logTag_ext.hpp" |
| #include "memory/allocation.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| // List of available logging tags. New tags should be added here. |
| // (The tags 'all', 'disable' and 'help' are special tags that can |
| // not be used in log calls, and should not be listed below.) |
| #define LOG_TAG_LIST \ |
| LOG_TAG(alloc) \ |
| LOG_TAG(age) \ |
| LOG_TAG(arguments) \ |
| LOG_TAG(barrier) \ |
| LOG_TAG(biasedlocking) \ |
| LOG_TAG(bot) \ |
| LOG_TAG(census) \ |
| LOG_TAG(classhisto) \ |
| LOG_TAG(classresolve) \ |
| LOG_TAG(classinit) \ |
| LOG_TAG(classload) /* Trace all classes loaded */ \ |
| LOG_TAG(classloaderdata) /* class loader loader_data lifetime */ \ |
| LOG_TAG(classunload) /* Trace unloading of classes */ \ |
| LOG_TAG(classpath) \ |
| LOG_TAG(compaction) \ |
| LOG_TAG(constraints) \ |
| LOG_TAG(coops) \ |
| LOG_TAG(cpu) \ |
| LOG_TAG(cset) \ |
| LOG_TAG(defaultmethods) \ |
| LOG_TAG(ergo) \ |
| LOG_TAG(exceptions) \ |
| LOG_TAG(exit) \ |
| LOG_TAG(freelist) \ |
| LOG_TAG(gc) \ |
| LOG_TAG(heap) \ |
| LOG_TAG(humongous) \ |
| LOG_TAG(ihop) \ |
| LOG_TAG(itables) \ |
| LOG_TAG(jni) \ |
| LOG_TAG(liveness) \ |
| LOG_TAG(logging) \ |
| LOG_TAG(marking) \ |
| LOG_TAG(metaspace) \ |
| LOG_TAG(modules) \ |
| LOG_TAG(monitorinflation) \ |
| LOG_TAG(monitormismatch) \ |
| LOG_TAG(os) \ |
| LOG_TAG(pagesize) \ |
| LOG_TAG(phases) \ |
| LOG_TAG(plab) \ |
| LOG_TAG(promotion) \ |
| LOG_TAG(preorder) /* Trace all classes loaded in order referenced (not loaded) */ \ |
| LOG_TAG(protectiondomain) /* "Trace protection domain verification" */ \ |
| LOG_TAG(ref) \ |
| LOG_TAG(refine) \ |
| LOG_TAG(region) \ |
| LOG_TAG(remset) \ |
| LOG_TAG(safepoint) \ |
| LOG_TAG(safepointcleanup) \ |
| LOG_TAG(scavenge) \ |
| LOG_TAG(scrub) \ |
| LOG_TAG(stacktrace) \ |
| LOG_TAG(start) \ |
| LOG_TAG(startuptime) \ |
| LOG_TAG(state) \ |
| LOG_TAG(stats) \ |
| LOG_TAG(stringdedup) \ |
| LOG_TAG(stringtable) \ |
| LOG_TAG(survivor) \ |
| LOG_TAG(sweep) \ |
| LOG_TAG(task) \ |
| DEBUG_ONLY(LOG_TAG(test)) \ |
| LOG_TAG(thread) \ |
| LOG_TAG(tlab) \ |
| LOG_TAG(time) \ |
| LOG_TAG(verification) \ |
| LOG_TAG(verify) \ |
| LOG_TAG(vmoperation) \ |
| LOG_TAG(vtables) \ |
| LOG_TAG(workgang) \ |
| LOG_TAG_LIST_EXT |
| |
| #define PREFIX_LOG_TAG(T) (LogTag::_##T) |
| |
| // Expand a set of log tags to their prefixed names. |
| // For error detection purposes, the macro passes one more tag than what is supported. |
| // If too many tags are given, a static assert in the log class will fail. |
| #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \ |
| PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5) |
| // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly. |
| #define EXPAND_VARARGS(x) x |
| #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG)) |
| |
| // Log tags are used to classify log messages. |
| // Each log message can be assigned between 1 to LogTag::MaxTags number of tags. |
| // Specifying multiple tags for a log message means that only outputs configured |
| // for those exact tags, or a subset of the tags with a wildcard, will see the logging. |
| // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg"). |
| class LogTag : public AllStatic { |
| public: |
| // The maximum number of tags that a single log message can have. |
| // E.g. there might be hundreds of different tags available, |
| // but a specific log message can only be tagged with up to MaxTags of those. |
| static const size_t MaxTags = 5; |
| |
| enum type { |
| __NO_TAG, |
| #define LOG_TAG(name) _##name, |
| LOG_TAG_LIST |
| #undef LOG_TAG |
| Count |
| }; |
| |
| static const char* name(LogTag::type tag) { |
| return _name[tag]; |
| } |
| |
| static LogTag::type from_string(const char *str); |
| |
| private: |
| static const char* _name[]; |
| }; |
| |
| typedef LogTag::type LogTagType; |
| |
| #endif // SHARE_VM_LOGGING_LOGTAG_HPP |