Re: [RFC PATCH] ftrace: Fix depth filtering when func_stack is enabled.

2018-01-22 Thread Nikolay Borisov
On 23.01.2018 01:16, Steven Rostedt wrote: > On Mon, 22 Jan 2018 15:50:04 +0200 > Nikolay Borisov wrote: > > >> diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c >> index 27f7ad12c4b1..b721f1f3f3c0 100644 >> --- a/kernel/trace/trace_functions.c >> +++ b/kernel/trace/

Re: [RFC PATCH] ftrace: Fix depth filtering when func_stack is enabled.

2018-01-22 Thread Steven Rostedt
On Mon, 22 Jan 2018 15:50:04 +0200 Nikolay Borisov wrote: > diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c > index 27f7ad12c4b1..b721f1f3f3c0 100644 > --- a/kernel/trace/trace_functions.c > +++ b/kernel/trace/trace_functions.c > @@ -181,14 +181,11 @@ function_stack_

[RFC PATCH] ftrace: Fix depth filtering when func_stack is enabled.

2018-01-22 Thread Nikolay Borisov
The initial implementation of stack tracing to function trace in 536149910130 ("ftrace: add stack trace to function tracer") required 5 call stack entries to be skipped to avoid polluting the resulting stacks with ftrace functions. Commit 4104d326b670 ("ftrace: Remove global function list and call