PERF-FTRACE(1)                   perf Manual                  PERF-FTRACE(1)

NAME         top

       perf-ftrace - simple wrapper for kernel's ftrace functionality

SYNOPSIS         top

       perf ftrace <command>

DESCRIPTION         top

       The perf ftrace command is a simple wrapper of kernel’s ftrace
       functionality. It only supports single thread tracing currently and
       just reads trace_pipe in text and then write it to stdout.

       The following options apply to perf ftrace.

OPTIONS         top

       -t, --tracer=
           Tracer to use: function_graph or function.

       -v, --verbose=
           Verbosity level.

SEE ALSO         top

       perf-record(1), perf-trace(1)

COLOPHON         top

       This page is part of the perf (Performance analysis tools for Linux
       (in Linux source tree)) project.  Information about the project can
       be found at ⟨⟩.  If
       you have a bug report for this manual page, send it to  This page was obtained from the
       project's upstream Git repository 
       ⟨⟩ on
       2017-03-13.  If you discover any rendering problems in this HTML ver‐
       sion of the page, or you believe there is a better or more up-to-date
       source for the page, or you have corrections or improvements to the
       information in this COLOPHON (which is not part of the original man‐
       ual page), send a mail to

perf                             03/12/2017                   PERF-FTRACE(1)