Messages in this thread | | | Date | Thu, 16 Oct 2008 19:33:11 -0700 (PDT) | Subject | Re: [RFC patch 04/15] get_cycles() : powerpc64 HAVE_GET_CYCLES (update) | From | David Miller <> |
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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Date: Thu, 16 Oct 2008 22:08:13 -0400
> * David Miller (davem@davemloft.net) wrote: > > Date: Thu, 16 Oct 2008 20:43:28 -0400 > > > > You'll need to make a similar fix on sparc64. > > I guess you are talking about using sparc64_get_clock_tick rather than > CLOCK_TICK_RATE ? I assume sparc64_get_clock_tick() done on any CPU will > return the same rate ?
You'll need to use tb_ticks_per_usec or similar.
The ->get_tick() thing you are using uses a TICK source which is synchronized across the entire system and advances at a non-changing rate.
sparc64_get_clock_tick() returns something different.
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