PERF-TIMECHART(1) perf Manual PERF-TIMECHART(1) (NAME) perf-timechart - (SYNOPSIS) (DESCRIPTION) perf timechart : 'perf timechart record ' . timechart ( ) IO ( ) -I . 'perf timechart' (SVG) SVG 'Inkscape' . perf.data timechart / IO . IO : . ( ) . ( ) . poll poll/epoll/select . TIMECHART (TIMECHART OPTIONS) -o, --output= (: output.svg) -i, --input= (: perf.data stdin fifo ) -w, --width= SVG (: 1000) -P, --power-only -T, --tasks-only -p, --process PID -f, --force . --symfs= . hierarchy ( ) flat ( ) . . -n, --proc-num . -t, --topology (). --highlight= ( ) . . . --io-skip-eagain IO EAGAIN . --io-min-time= min-time . IO . ms us . 1ms . --io-merge-dist= merge-dist . SVG . ms us . 1us . RECORD (RECORD OPTIONS) -P, --power-only -T, --tasks-only -I, --io-only IO -g, --callchain ( /backtrace) -o, --output= (: perf.data) (EXAMPLES) $ perf timechart record git pull [ perf record: Woken up 13 times to write data ] [ perf record: Captured and wrote 4.253 MB perf.data (~185801 samples) ] $ perf timechart Written 10.2 seconds of trace to output.svg. : $ perf timechart record 'gcc': $ perf timechart --highlight gcc IO : $ perf timechart record -I : $ perf timechart (SEE ALSO) perf-record(1) perf 09/04/2026 PERF-TIMECHART(1)