Messages in this thread | | | Subject | Re: [PATCH 0/3][RFC] tracing/rcu: Add _rcuidle() tracepoint to handle rcu_idle_exit() tracepoints | From | Steven Rostedt <> | Date | Wed, 15 Feb 2012 14:16:19 -0500 |
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On Tue, 2012-02-14 at 19:09 +0100, Witold Baryluk wrote: > Hi, > > I have some problem with cpuidle tracing: > > https://bugzilla.kernel.org/show_bug.cgi?id=42742 > > so I applied 3 patches from https://lkml.org/lkml/headers/2012/2/7/231 > > > Steven Rostedt (3): > > tracing/rcu: Add trace_##name##__rcuidle() static tracepoint for inside rcu_idle_exit() sections > > x86/tracing: Denote the power and cpuidle tracepoints as _rcuidle() > > cpuidle/tracing: Denote the tracepoints as being in rcu_idle_exit() section > > All 3 patches applied cleanly but for unknown reasons to me compilation fails:
Yeah, my testing hit this issue and I fixed it up. I pushed out my patches to Ingo that have passed all my tests. You can get them here:
https://lkml.org/lkml/2012/2/13/528
You only need to apply patches 3,4 and 5.
-- Steve
> > CC arch/x86/kernel/process.o > arch/x86/kernel/process.c: In function ‘default_idle’: > arch/x86/kernel/process.c:380:3: error: implicit declaration of function ‘trace_power_start_rcuidle’ [-Werror=implicit-function-declaration] > arch/x86/kernel/process.c:394:3: error: implicit declaration of function ‘trace_power_end_rcuidle’ [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors >
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