Man page - trace-cmd-snapshot(1)
Packages contas this manual
- trace-cmd(1)
- trace-cmd-attach(1)
- tracecmd_buffer_instance_handle(3)
- trace-cmd-clear(1)
- tracecmd_get_first_ts(3)
- trace-cmd-stat(1)
- tracecmd_follow_missed_events(3)
- tracecmd_get_guest_cpumap(3)
- trace-cmd-check-events(1)
- tracecmd_get_tsc2nsec(3)
- trace-cmd.dat.v6(5)
- trace-cmd-convert(1)
- tracecmd_get_cpu_map(3)
- trace-cmd-sqlhist(1)
- tracecmd_get_private(3)
- tracecmd_open(3)
- tracecmd_iterate_events(3)
- tracecmd_set_loglevel(3)
- tracecmd_map_vcpus(3)
- tracecmd_open_fd(3)
- tracecmd_buffer_instances(3)
- trace-cmd-stop(1)
- tracecmd_set_private(3)
- trace-cmd-listen(1)
- trace-cmd.dat.v7(5)
- tracecmd_get_tep(3)
- tracecmd_filter_add(3)
- trace-cmd-extract(1)
- tracecmd_iterate_reset(3)
- tracecmd_map_get_private(3)
- trace-cmd-restore(1)
- trace-cmd-show(1)
- tracecmd_map_find_by_host_pid(3)
- trace-cmd-hist(1)
- tracecmd_get_traceid(3)
- tracecmd_iterate_events_multi(3)
- trace-cmd-mem(1)
- trace-cmd-report(1)
- tracecmd_read_cpu_first(3)
- trace-cmd-reset(1)
- trace-cmd-start(1)
- tracecmd_read_data(3)
- trace-cmd-agent(1)
- trace-cmd-profile(1)
- trace-cmd-dump(1)
- tracecmd_map_set_private(3)
- tracecmd_map_get_guest(3)
- trace-cmd-list(1)
- libtracecmd(3)
- tracecmd_map_get_host_pid(3)
- trace-cmd-stack(1)
- tracecmd_add_ts_offset(3)
- tracecmd_buffer_instance_name(3)
- tracecmd_read_at(3)
- tracecmd_init_data(3)
- tracecmd_open_head(3)
- trace-cmd-split(1)
- tracecmd_follow_event(3)
- trace-cmd-set(1)
- trace-cmd-snapshot(1)
- trace-cmd-stream(1)
- trace-cmd-record(1)
- tracecmd_free_record(3)
- tracecmd_close(3)
- trace-cmd-options(1)
apt-get install trace-cmd
Manual
| TRACE-CMD-SNAPSHOT(1) | libtracefs Manual | TRACE-CMD-SNAPSHOT(1) |
NAME
trace-cmd-snapshot - take, reset, free, or show a Ftrace kernel snapshot
SYNOPSIS
trace-cmd snapshot [OPTIONS]
DESCRIPTION
The trace-cmd(1) snapshot controls or displays the Ftrace Linux kernel snapshot feature (if the kernel supports it). This is useful to "freeze" an instance of a live trace but without stopping the trace.
trace-cmd start -p function
trace-cmd snapshot -s
trace-cmd snapshot [ dumps the content of buffer at 'trace-cmd snapshot -s' ]
trace-cmd snapshot -s
trace-cmd snapshot [ dumps the new content of the buffer at the last -s operation ]
OPTIONS
-s
-r
-f
-c cpu
-B buf
SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1)
AUTHOR
Written by Steven Rostedt, <rostedt@goodmis.org[1]>
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
| 01/07/2025 | libtracefs |