JFR(1) JDK JFR(1) (NAME) jfr - (JFR) OpenJDK 21 (SYNOPSIS) : jfr print [] : jfr view [] .jfc: jfr configure [] : jfr metadata [] : jfr summary : jfr scrub [] (chunk) : jfr assemble (chunk): jfr disassemble [] : . . (.jfr) . . (DESCRIPTION) jfr (.jfr) . . (scrubbing) . . . jfr : o print o view o configure o metadata o summary o scrub o assemble o disassemble jfr print jfr print . : jfr print [--xml|--json] [--categories <>] [--events <>] [--stack-depth <>] <> : --xml XML . --json JSON . --categories <> . ( / ) / glob . --events <> . ( / ) / glob . --stack-depth <> (stack trace) . <> (.jfr) xml json . . jfr --help print . . @Name @Category . . . . GC CPULoad : jfr print --categories GC --events CPULoad recording.jfr . jdk.jfr.Percentage 0.52 52% . --stack-depth . jfr view jfr view . : jfr view [--verbose] [--width <>] [--truncate <>] [--cell-height <>] <> <> : --verbose (query) . --width <> . . --truncate <> . 'beginning' ( ) 'end' ( ) . 'end' . --cell-height <> . . <> . jfr --help view . <> (.jfr) <> . jfr view types . jfr view all-views . jfr view all-events . jfr configure jfr configure .jfc . : jfr configure [--interactive] [--verbose] [--input ] [--output ] [option=value]* [event-setting=value]* --interactive . --verbose . --input <> .jfc . JDK (default.jfc). 'none' . --output <> . custom.jfc . option=value . jfr help configure . event-setting=value . : <->#<->=<> '+' . 20ms. Javadoc jdk.jfr . jfr metadata jfr metadata . : jfr metadata [--categories ] [--events ] [] --categories <> . ( / ) / glob . --events <> . ( / ) / glob . <> (.jfr) JDK 'jfr' . jfr summary jfr summary . . . : jfr summary <> : <> (.jfr) jfr scrub jfr scrub . : jfr scrub [--include-events <>] [--exclude-events <>] [--include-categories <>] [--exclude- categories <>] [--include-threads <>] [--exclude-threads <>] <-> [<->] --include-events <> . --exclude-events <> . --include-categories <> . --exclude-categories <> . --include-threads <> (thread) . --exclude-threads <> . <-> . <-> . "-scrubbed" . ( / ) / glob . . jfr assemble jfr assemble (chunk) . : jfr assemble <> <> : <> . <> (.jfr). (chunks) . . . JVM jfr assemble . (.part) . jfr disassemble jfr disassemble . : jfr disassemble [--max-chunks <>] [--output <>] <> : --output <> . --max-chunks <> . . --max-size <> . <> (.jfr) . . myfile_1.jfr myfile_2.jfr . (padded with zeros) . myfile_001.jfr . version help jfr --version jfr version jfr . jfr : jfr <--help|help> [] : [] : o print o view o configure o metadata o summary o scrub o assemble o disassemble JDK 21 2023 JFR(1)