6 perf-ftrace - simple wrapper for kernel's ftrace functionality
12 'perf ftrace' <command>
16 The 'perf ftrace' command is a simple wrapper of kernel's ftrace
17 functionality. It only supports single thread tracing currently and
18 just reads trace_pipe in text and then write it to stdout.
20 The following options apply to perf ftrace.
27 Tracer to use: function_graph or function.
35 Trace on existing process id (comma separated list).
40 linkperf:perf-record[1], linkperf:perf-trace[1]