Messages in this thread | | | Date | Thu, 22 Mar 2018 19:25:38 -0400 | From | Steven Rostedt <> | Subject | Re: [RFC PATCH] ftrace: support boot level tracing |
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On Tue, 20 Mar 2018 23:35:46 +0000 Abderrahmane Benbachir <abderrahmane.benbachir@polymtl.ca> wrote:
> Steven Rostedt <rostedt@goodmis.org> a écrit : > > > On Tue, 20 Mar 2018 14:22:56 -0400 > > Abderrahmane Benbachir <abderrahmane.benbachir@polymtl.ca> wrote: > > > > Would something like this work for you? > > Yes this is working great. I have also instrumented console and security > initcalls, I used your previous patch, changes are below. > > > + trace_initcall_level("pre_smp_initcalls"); > > This should be "early" I guess : trace_initcall_level("ealry");
Hmm, I think I found an issue with what's there. I made up that name because "early" was already taken.
> > > output of : trace_event=initcall_level > > [ 0.327032] <idle>-0 0.... 89576us : initcall_level: level=console > [ 0.327454] <idle>-0 0.... 135819us : initcall_level: > level=security > [ 0.327887] swapper/-1 0.... 261166us : initcall_level: level=early > [ 0.328306] swapper/-1 0.... 265248us : initcall_level: level=early
Noticed you have two "early"s.
The second early should be "pure". But that's an issue with init.c.
I'll apply mine (with minor updates) and add diffs by you. Care to give me a "signed-off-by" for the console and security change.
-- Steve
> [ 0.328742] swapper/-1 0.... 267969us : initcall_level: level=core > [ 0.329158] swapper/-1 0.... 270111us : initcall_level: > level=postcore > [ 0.329590] swapper/-1 0.... 271111us : initcall_level: level=arch > [ 0.330007] swapper/-1 0.... 272217us : initcall_level: level=subsys > [ 0.330429] swapper/-1 0.... 316236us : initcall_level: level=fs > [ 0.330833] swapper/-1 0.... 340523us : initcall_level: level=device > [ 0.331254] swapper/-1 0.... 388737us : initcall_level: level=late > > PATCH with security and console instrumented > >
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