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8146948: Enable listing of LogTagSets and add support for LogTagSet descriptions

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Reviewed-by: rehn, iklam, kbarrett
This commit is contained in:
Marcus Larsson 2016-05-11 10:54:31 +02:00
parent ce9242dc85
commit b28f905e05
7 changed files with 174 additions and 13 deletions
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23
hotspot/src/share/vm/logging/logConfiguration.cpp
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@ -29,6 +29,7 @@
#include "logging/logDiagnosticCommand.hpp"
#include "logging/logFileOutput.hpp"
#include "logging/logOutput.hpp"
#include "logging/logStream.hpp"
#include "logging/logTagLevelExpression.hpp"
#include "logging/logTagSet.hpp"
#include "memory/allocation.inline.hpp"
@ -75,11 +76,17 @@ bool ConfigurationLock::current_thread_has_lock() {
void LogConfiguration::post_initialize() {
LogDiagnosticCommand::registerCommand();
Log(logging) log;
log.info("Log configuration fully initialized.");
log_develop_info(logging)("Develop logging is available.");
if (log.is_trace()) {
ResourceMark rm;
describe(log.trace_stream());
if (log.is_info()) {
log.info("Log configuration fully initialized.");
log_develop_info(logging)("Develop logging is available.");
if (log.is_debug()) {
LogStream debug_stream(log.debug());
describe(&debug_stream);
if (log.is_trace()) {
LogStream trace_stream(log.trace());
LogTagSet::list_all_tagsets(&trace_stream);
}
}
}
}
@ -402,6 +409,7 @@ void LogConfiguration::describe_available(outputStream* out){
}
out->cr();
LogTagSet::describe_tagsets(out);
}
void LogConfiguration::describe_current_configuration(outputStream* out){
@ -449,7 +457,10 @@ void LogConfiguration::print_command_line_help(FILE* out) {
}
jio_fprintf(out, "\n Specifying 'all' instead of a tag combination matches all tag combinations.\n\n");
jio_fprintf(out, "Available log outputs:\n"
fileStream stream(out, false);
LogTagSet::describe_tagsets(&stream);
jio_fprintf(out, "\nAvailable log outputs:\n"
" stdout, stderr, file=<filename>\n"
" Specifying %%p and/or %%t in the filename will expand to the JVM's PID and startup timestamp, respectively.\n\n"