[lttng-dev] [PATCH] fix timestamps on architectures without CONFIG_KTIME_SCALAR

[Mathieu Desnoyers]

* Mathieu Desnoyers (mathieu.desnoyers at efficios.com) wrote:
> * Gerlando Falauto (gerlando.falauto at keymile.com) wrote:
> > trace_clock_monotonic_wrapper() should return a u64 representing the
> > number of nanoseconds since system startup.
> > ktime_get() provides that value directly within its .tv64 field only
> > on those architectures defining CONFIG_KTIME_SCALAR, whereas in all
> > other cases (e.g. PowerPC) a ktime_to_ns() conversion (which
> > translates back to .tv64 when CONFIG_KTIME_SCALAR is defined)
> > becomes necessary.
> 
> merged!
> 
> Will make its way into stable-2.0 too.

I did manage to mess the "From" of the patch in my merge though. I
forgot to attribute the commit to you as the author. Sorry about that !

You still appear in the signed-off-by lines though.

Thanks,

Mathieu

> 
> Thanks!
> 
> Mathieu
> 
> > 
> > Signed-off-by: Gerlando Falauto <gerlando.falauto at keymile.com>
> > ---
> >  wrapper/trace-clock.h |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/wrapper/trace-clock.h b/wrapper/trace-clock.h
> > index 6ea9e81..bced61c 100644
> > --- a/wrapper/trace-clock.h
> > +++ b/wrapper/trace-clock.h
> > @@ -46,7 +46,7 @@ static inline u64 trace_clock_monotonic_wrapper(void)
> >  		return (u64) -EIO;
> >  
> >  	ktime = ktime_get();
> > -	return (u64) ktime.tv64;
> > +	return ktime_to_ns(ktime);
> >  }
> >  
> >  static inline u32 trace_clock_read32(void)
> > -- 
> > 1.7.10.1
> > 
> > 
> > _______________________________________________
> > lttng-dev mailing list
> > lttng-dev at lists.lttng.org
> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
> 
> -- 
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com