TRACE-CMD-DUMP(1) | libtracefs Manual | TRACE-CMD-DUMP(1) |
NAME
trace-cmd-dump - show a meta data from a trace file, created by trace-cmd record
SYNOPSIS
trace-cmd dump [OPTIONS] [input-file]
DESCRIPTION
The trace-cmd(1) dump command will display the meta data from a trace file created by trace-cmd record.
OPTIONS
-i input-file
-v, --validate
--summary
--head-page
--head-event
--ftrace-events
--systems
--events
--kallsyms
--printk
--cmd-lines
--options
--flyrecord
--clock
--all
--help
--verbose[=level]
Example: enable all critical, error and warning logs
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)
AUTHOR
Steven Rostedt <rostedt@goodmis.org[1]>, author of trace-cmd. Tzvetomir Stoyanov <tz.stoyanov@gmail.com[2]>, author of this man page.
RESOURCES
https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
COPYING
Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).
NOTES
- 1.
- rostedt@goodmis.org
- 2.
- tz.stoyanov@gmail.com
10/13/2024 | libtracefs |