Lines Matching refs:ftrace

1 		ftrace - Function Tracer
21 Although ftrace is typically considered the function tracer, it
27 One of the most common uses of ftrace is the event tracing.
36 See ftrace-design.txt for details for arch porters and such.
45 When debugfs is configured into the kernel (which selecting any ftrace
60 Any selected ftrace option will also create a directory called tracing
62 the ftrace directory (cd /sys/kernel/debug/tracing) and will only concentrate
66 That's it! (assuming that you have ftrace configured into your kernel)
70 of ftrace. Here is a list of some of the key files:
184 When dynamic ftrace is configured in (see the
185 section below "dynamic ftrace"), the code is dynamically
211 "dynamic ftrace" for more details).
215 This lists the functions that ftrace
218 "set_ftrace_notrace". (See the section "dynamic ftrace"
223 This file is more for debugging ftrace, but can also be useful
225 Not only does the trace infrastructure use ftrace function
317 clock. By default, ftrace uses the "local" clock. This
342 perf: This makes ftrace use the same clock that perf uses.
343 Eventually perf will be able to read ftrace buffers
357 this file will be written into the ftrace buffer.
415 The ftrace buffer is defined per_cpu. That is, there's a separate
436 For tools that can parse the ftrace ring buffer binary format,
2044 <linux/ftrace.h> and call trace_printk() inside __might_sleep()
2056 following "dynamic ftrace" section such as tracing only specific
2059 dynamic ftrace
2083 On boot up, before SMP is initialized, the dynamic ftrace code
2088 unloaded, it also removes its functions from the ftrace function
2098 (which is just a function stub). They now call into the ftrace
2105 version to the ftrace call site.
2302 Dynamic ftrace with the function graph tracer
2369 disabled. This includes not only the function tracers for ftrace, but
2473 When the function is hit, it will dump the contents of the ftrace
2480 When the function is hit, it will dump the contents of the ftrace
2797 at every function call that will become very useful. As ftrace provides
2801 CONFIG_STACK_TRACER enables the ftrace stack tracing functionality.