Frederic Weisbecker 1c80025a49 tracing/ftrace: change the type of the init() callback ...

Impact: extend the ->init() method with the ability to fail

This bring a way to know if the initialization of a tracer successed.
A tracer must return 0 on success and a traditional error (ie:
-ENOMEM) if it fails.

If a tracer fails to init, it is free to print a detailed warn. The
tracing api will not and switch to a new tracer will just return the
error from the init callback.

Note: this will be used for the return tracer.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2008-11-16 07:55:23 +01:00

..

ftrace.c

ftrace: make filtered functions effective on setting

2008-11-16 07:37:46 +01:00

Kconfig

trace: rename unlikely profiler to branch profiler

2008-11-12 22:27:58 +01:00

Makefile

ftrace: rename trace_unlikely.c file

2008-11-12 22:28:40 +01:00

ring_buffer.c

Merge branches 'tracing/fastboot', 'tracing/ftrace' and 'tracing/urgent' into tracing/core

2008-11-16 07:28:46 +01:00

trace_boot.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_branch.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_functions_return.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_functions.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_irqsoff.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_mmiotrace.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_nop.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_sched_switch.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_sched_wakeup.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_selftest_dynamic.c

ftrace: fix dynamic ftrace selftest

2008-05-23 21:13:23 +02:00

trace_selftest.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace_stack.c

ftrace: insert in the ftrace_preempt_disable()/enable() functions

2008-11-04 10:09:49 +01:00

trace_sysprof.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace.c

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00

trace.h

tracing/ftrace: change the type of the init() callback

2008-11-16 07:55:23 +01:00