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8151526: Print -Xlog configuration in the hs_err_pid file

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Logging configuration is now printed in hs_err and in vm info.

Reviewed-by: coleenp, mlarsson, dholmes
This commit is contained in:
Max Ockner 2016-04-19 11:03:37 -04:00
parent 167be2a61c
commit 16c430d2b6
3 changed files with 29 additions and 2 deletions
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12
hotspot/src/share/vm/logging/logConfiguration.cpp
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@ -382,7 +382,7 @@ bool LogConfiguration::parse_log_arguments(const char* outputstr,
return true;
}
void LogConfiguration::describe(outputStream* out) {
void LogConfiguration::describe_available(outputStream* out){
out->print("Available log levels:");
for (size_t i = 0; i < LogLevel::Count; i++) {
out->print("%s %s", (i == 0 ? "" : ","), LogLevel::name(static_cast<LogLevelType>(i)));
@ -402,7 +402,9 @@ void LogConfiguration::describe(outputStream* out) {
}
out->cr();
ConfigurationLock cl;
}
void LogConfiguration::describe_current_configuration(outputStream* out){
out->print_cr("Log output configuration:");
for (size_t i = 0; i < _n_outputs; i++) {
out->print("#" SIZE_FORMAT ": %s %s ", i, _outputs[i]->name(), _outputs[i]->config_string());
@ -416,6 +418,12 @@ void LogConfiguration::describe(outputStream* out) {
}
}
void LogConfiguration::describe(outputStream* out) {
describe_available(out);
ConfigurationLock cl;
describe_current_configuration(out);
}
void LogConfiguration::print_command_line_help(FILE* out) {
jio_fprintf(out, "-Xlog Usage: -Xlog[:[what][:[output][:[decorators][:output-options]]]]\n"
"\t where 'what' is a combination of tags and levels on the form tag1[+tag2...][*][=level][,...]\n"