TRACE-CMD-DUMP(1) libtracefs Manual TRACE-CMD-DUMP(1) (NAME) trace-cmd-dump - trace-cmd record (SYNOPSIS) trace-cmd dump [OPTIONS] [input-file] (DESCRIPTION) trace-cmd(1) dump trace-cmd record . (OPTIONS) -i input-file trace-cmd dump trace.dat -i input-file . . -v, --validate trace-cmd . --summary - . . --head-page (header page) . --head-event (event header) . --ftrace-events ftrace. --systems - . --events . --kallsyms . --printk trace_printk() . --cmd-lines (PID) . --options . --flyrecord (offset) CPU. --clock (trace clock) . --all . --help . --verbose[=level] (log level). "none" "critical" "error" "warning" "info" "debug" "all" "0" "1" "2" "3" "4" "5" "6". . "info" . : critical error warning trace-cmd report --verbose=warning (EXAMPLES) # trace-cmd dump --summary -i trace.dat Tracing meta data in file trace.dat: [Initial format] 6 [Version] 0 [Little endian] 8 [Bytes in a long] 4096 [Page size, bytes] [Header info, 205 bytes] [Header event, 205 bytes] [Ftrace format, 15 events] [Events format, 2 systems] [Kallsyms, 7144493 bytes] [Trace printk, 2131 bytes] [Saved command lines, 117 bytes] 8 [CPUs with tracing data] [12 options] [Flyrecord tracing data] # trace-cmd dump --flyrecord -i trace.dat [Flyrecord tracing data] 7176192 0 [offset, size of cpu 0] 7176192 0 [offset, size of cpu 1] 7176192 0 [offset, size of cpu 2] 7176192 4096 [offset, size of cpu 3] 7180288 4096 [offset, size of cpu 4] 7184384 0 [offset, size of cpu 5] 7184384 0 [offset, size of cpu 6] 7184384 0 [offset, size of cpu 7] # trace-cmd dump --summary --systems -i trace.dat Tracing meta data in file trace.dat: [Initial format] 6 [Version] 0 [Little endian] 8 [Bytes in a long] 4096 [Page size, bytes] [Header info, 205 bytes] [Header event, 205 bytes] [Ftrace format, 15 events] [Events format, 3 systems] sched 23 [system, events] irq 5 [system, events] kvm 70 [system, events] [Kallsyms, 7144493 bytes] [Trace printk, 2131 bytes] [Saved command lines, 157 bytes] 8 [CPUs with tracing data] [11 options] [Flyrecord tracing data] # trace-cmd dump --summary --systems -i trace.dat File trace.dat is a valid trace-cmd file (SEE ALSO) trace-cmd(1), trace-cmd.dat(1) (AUTHORS) Steven Rostedt trace-cmd. Tzvetomir Stoyanov . (RESOURCES) https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git (COPYRIGHT) (C) 2010 Red Hat, Inc. (GPL) . (NOTES) 1. rostedt@goodmis.org mailto:rostedt@goodmis.org 2. tz.stoyanov@gmail.com mailto:tz.stoyanov@gmail.com libtracefs 03/09/2026 TRACE-CMD-DUMP(1)