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
217 	"dynamic ftrace" for more details).
221 	This lists the functions that ftrace
224 	"set_ftrace_notrace". (See the section "dynamic ftrace"
229 	This file is more for debugging ftrace, but can also be useful
231 	Not only does the trace infrastructure use ftrace function
323 	clock. By default, ftrace uses the "local" clock. This
348 	  perf: This makes ftrace use the same clock that perf uses.
349 	  	Eventually perf will be able to read ftrace buffers
368 	this file will be written into the ftrace buffer.
426 	The ftrace buffer is defined per_cpu. That is, there's a separate
447 	For tools that can parse the ftrace ring buffer binary format,
2080 <linux/ftrace.h> and call trace_printk() inside __might_sleep()
2092 following "dynamic ftrace" section such as tracing only specific
2095 dynamic ftrace
2119 On boot up, before SMP is initialized, the dynamic ftrace code
2124 unloaded, it also removes its functions from the ftrace function
2134 (which is just a function stub). They now call into the ftrace
2141 version to the ftrace call site.
2338 Dynamic ftrace with the function graph tracer
2405 disabled. This includes not only the function tracers for ftrace, but
2526   When the function is hit, it will dump the contents of the ftrace
2533   When the function is hit, it will dump the contents of the ftrace
2850 at every function call that will become very useful. As ftrace provides
2854 CONFIG_STACK_TRACER enables the ftrace stack tracing functionality.