infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-03-12 08:53:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

8187066: -Xlog:help "=debug" example is not quite accurate

Browse Source 
Reviewed-by: hseigel
This commit is contained in:
Marcus Larsson 2018-02-28 15:10:21 +01:00
parent 56dea21da2
commit 03dfb66004
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/hotspot/share/logging/logConfiguration.cpp
View File

@ -536,45 +536,45 @@ void LogConfiguration::print_command_line_help(outputStream* out) {
out->print_cr("Some examples:");
out->print_cr(" -Xlog");
out->print_cr("\t Log all messages using 'info' level to stdout with 'uptime', 'levels' and 'tags' decorations.");
out->print_cr("\t Log all messages up to 'info' level to stdout with 'uptime', 'levels' and 'tags' decorations.");
out->print_cr("\t (Equivalent to -Xlog:all=info:stdout:uptime,levels,tags).");
out->cr();
out->print_cr(" -Xlog:gc");
out->print_cr("\t Log messages tagged with 'gc' tag using 'info' level to stdout, with default decorations.");
out->print_cr("\t Log messages tagged with 'gc' tag up to 'info' level to stdout, with default decorations.");
out->cr();
out->print_cr(" -Xlog:gc,safepoint");
out->print_cr("\t Log messages tagged either with 'gc' or 'safepoint' tags, both using 'info' level, to stdout, with default decorations.");
out->print_cr("\t Log messages tagged either with 'gc' or 'safepoint' tags, both up to 'info' level, to stdout, with default decorations.");
out->print_cr("\t (Messages tagged with both 'gc' and 'safepoint' will not be logged.)");
out->cr();
out->print_cr(" -Xlog:gc+ref=debug");
out->print_cr("\t Log messages tagged with both 'gc' and 'ref' tags, using 'debug' level, to stdout, with default decorations.");
out->print_cr("\t Log messages tagged with both 'gc' and 'ref' tags, up to 'debug' level, to stdout, with default decorations.");
out->print_cr("\t (Messages tagged only with one of the two tags will not be logged.)");
out->cr();
out->print_cr(" -Xlog:gc=debug:file=gc.txt:none");
out->print_cr("\t Log messages tagged with 'gc' tag using 'debug' level to file 'gc.txt' with no decorations.");
out->print_cr("\t Log messages tagged with 'gc' tag up to 'debug' level to file 'gc.txt' with no decorations.");
out->cr();
out->print_cr(" -Xlog:gc=trace:file=gctrace.txt:uptimemillis,pids:filecount=5,filesize=1m");
out->print_cr("\t Log messages tagged with 'gc' tag using 'trace' level to a rotating fileset of 5 files of size 1MB,");
out->print_cr("\t Log messages tagged with 'gc' tag up to 'trace' level to a rotating fileset of 5 files of size 1MB,");
out->print_cr("\t using the base name 'gctrace.txt', with 'uptimemillis' and 'pid' decorations.");
out->cr();
out->print_cr(" -Xlog:gc::uptime,tid");
out->print_cr("\t Log messages tagged with 'gc' tag using 'info' level to output 'stdout', using 'uptime' and 'tid' decorations.");
out->print_cr("\t Log messages tagged with 'gc' tag up to 'info' level to output 'stdout', using 'uptime' and 'tid' decorations.");
out->cr();
out->print_cr(" -Xlog:gc*=info,safepoint*=off");
out->print_cr("\t Log messages tagged with at least 'gc' using 'info' level, but turn off logging of messages tagged with 'safepoint'.");
out->print_cr("\t Log messages tagged with at least 'gc' up to 'info' level, but turn off logging of messages tagged with 'safepoint'.");
out->print_cr("\t (Messages tagged with both 'gc' and 'safepoint' will not be logged.)");
out->cr();
out->print_cr(" -Xlog:disable -Xlog:safepoint=trace:safepointtrace.txt");
out->print_cr("\t Turn off all logging, including warnings and errors,");
out->print_cr("\t and then enable messages tagged with 'safepoint' using 'trace' level to file 'safepointtrace.txt'.");
out->print_cr("\t and then enable messages tagged with 'safepoint' up to 'trace' level to file 'safepointtrace.txt'.");
}
void LogConfiguration::rotate_all_outputs() {