437 for (size_t i = 1; i < LogTag::Count; i++) {
438 jio_fprintf(out, "%s %s", (i == 1 ? "" : ","), LogTag::name(static_cast<LogTagType>(i)));
439 }
440 jio_fprintf(out, "\n Specifying 'all' instead of a tag combination matches all tag combinations.\n\n");
441
442 jio_fprintf(out, "Available log outputs:\n"
443 " stdout, stderr, file=<filename>\n"
444 " Specifying %%p and/or %%t in the filename will expand to the JVM's PID and startup timestamp, respectively.\n\n"
445
446 "Some examples:\n"
447 " -Xlog\n"
448 "\t Log all messages using 'info' level to stdout with 'uptime', 'levels' and 'tags' decorations.\n"
449 "\t (Equivalent to -Xlog:all=info:stdout:uptime,levels,tags).\n\n"
450
451 " -Xlog:gc\n"
452 "\t Log messages tagged with 'gc' tag using 'info' level to stdout, with default decorations.\n\n"
453
454 " -Xlog:gc=debug:file=gc.txt:none\n"
455 "\t Log messages tagged with 'gc' tag using 'debug' level to file 'gc.txt' with no decorations.\n\n"
456
457 " -Xlog:gc=trace:file=gctrace.txt:uptimemillis,pids:filecount=5,filesize=1024\n"
458 "\t Log messages tagged with 'gc' tag using 'trace' level to a rotating fileset of 5 files of size 1MB,\n"
459 "\t using the base name 'gctrace.txt', with 'uptimemillis' and 'pid' decorations.\n\n"
460
461 " -Xlog:gc::uptime,tid\n"
462 "\t Log messages tagged with 'gc' tag using 'info' level to output 'stdout', using 'uptime' and 'tid' decorations.\n\n"
463
464 " -Xlog:gc*=info,rt*=off\n"
465 "\t Log messages tagged with at least 'gc' using 'info' level, but turn off logging of messages tagged with 'rt'.\n"
466 "\t (Messages tagged with both 'gc' and 'rt' will not be logged.)\n\n"
467
468 " -Xlog:disable -Xlog:rt=trace:rttrace.txt\n"
469 "\t Turn off all logging, including warnings and errors,\n"
470 "\t and then enable messages tagged with 'rt' using 'trace' level to file 'rttrace.txt'.\n");
471 }
472
473 void LogConfiguration::rotate_all_outputs() {
474 // Start from index 2 since neither stdout nor stderr can be rotated.
475 for (size_t idx = 2; idx < _n_outputs; idx++) {
476 _outputs[idx]->force_rotate();
477 }
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437 for (size_t i = 1; i < LogTag::Count; i++) {
438 jio_fprintf(out, "%s %s", (i == 1 ? "" : ","), LogTag::name(static_cast<LogTagType>(i)));
439 }
440 jio_fprintf(out, "\n Specifying 'all' instead of a tag combination matches all tag combinations.\n\n");
441
442 jio_fprintf(out, "Available log outputs:\n"
443 " stdout, stderr, file=<filename>\n"
444 " Specifying %%p and/or %%t in the filename will expand to the JVM's PID and startup timestamp, respectively.\n\n"
445
446 "Some examples:\n"
447 " -Xlog\n"
448 "\t Log all messages using 'info' level to stdout with 'uptime', 'levels' and 'tags' decorations.\n"
449 "\t (Equivalent to -Xlog:all=info:stdout:uptime,levels,tags).\n\n"
450
451 " -Xlog:gc\n"
452 "\t Log messages tagged with 'gc' tag using 'info' level to stdout, with default decorations.\n\n"
453
454 " -Xlog:gc=debug:file=gc.txt:none\n"
455 "\t Log messages tagged with 'gc' tag using 'debug' level to file 'gc.txt' with no decorations.\n\n"
456
457 " -Xlog:gc=trace:file=gctrace.txt:uptimemillis,pids:filecount=5,filesize=1m\n"
458 "\t Log messages tagged with 'gc' tag using 'trace' level to a rotating fileset of 5 files of size 1MB,\n"
459 "\t using the base name 'gctrace.txt', with 'uptimemillis' and 'pid' decorations.\n\n"
460
461 " -Xlog:gc::uptime,tid\n"
462 "\t Log messages tagged with 'gc' tag using 'info' level to output 'stdout', using 'uptime' and 'tid' decorations.\n\n"
463
464 " -Xlog:gc*=info,rt*=off\n"
465 "\t Log messages tagged with at least 'gc' using 'info' level, but turn off logging of messages tagged with 'rt'.\n"
466 "\t (Messages tagged with both 'gc' and 'rt' will not be logged.)\n\n"
467
468 " -Xlog:disable -Xlog:rt=trace:rttrace.txt\n"
469 "\t Turn off all logging, including warnings and errors,\n"
470 "\t and then enable messages tagged with 'rt' using 'trace' level to file 'rttrace.txt'.\n");
471 }
472
473 void LogConfiguration::rotate_all_outputs() {
474 // Start from index 2 since neither stdout nor stderr can be rotated.
475 for (size_t idx = 2; idx < _n_outputs; idx++) {
476 _outputs[idx]->force_rotate();
477 }
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