Messages in this thread | | | Date | Fri, 12 Nov 2010 22:50:21 +0100 | Subject | Re: [PATCH 2/3] PERF(kernel): Cleanup power events | From | Jean Pihet <> |
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On Fri, Nov 12, 2010 at 7:17 PM, Thomas Renninger <trenn@suse.de> wrote: > On Friday 12 November 2010 08:20:47 am Jean Pihet wrote: >> Thomas, > ... >> > + >> > + TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state, >> > + (unsigned long)__entry->cpu_id) >> Using %lu for the state field causes PWR_EVENT_EXIT to appear as >> 4294967295 instead of -1. Can the field be of a signed type? > This is intended, what exactly is the problem? There is no problem, I just wanted to warn about it. I am fine with it.
> > ... >> > + TP_printk("state=%lu", (unsigned long)__entry->state) >> Same remark about the unsigned type for the state field. > Same. >> >> > +); >> > + >> > +#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED >> > + >> > #ifndef _TRACE_POWER_ENUM_ >> > #define _TRACE_POWER_ENUM_ >> > enum { >> > @@ -153,8 +214,32 @@ DEFINE_EVENT(power_domain, power_domain_target, >> > >> > TP_ARGS(name, state, cpu_id) >> > ); >> > - >> > +#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */ >> The clock and power_domain events have been recently introduced and so >> must be part of the new API. Can this #endif be moved right after the >> definition of power_end? > Oops, I pulled again meanwhile and the patches still patched without fuzz, > but probably with some offset. > I'll look at that and resend this one. Ok
> >> > #endif /* _TRACE_POWER_H */ >> Should this be at the very end of the file? > Not sure whether this also came from merge issues, but yes, several > #ifdef conditions need to get corrected. Ok
> > ... > >> A string is needed here. Without it it is impossible to have the option >> unset. >> This does the trick: +bool "Deprecated power event trace API, to be removed" > Ok, thanks. > > I am currently rebuilding on several archs/flavors and hope to be able > to re-send this one today or on Tue. > > Thanks, > > Thomas > Thanks!
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