On Wed, Feb 04, 2015 at 03:41:17PM -0500, Vince Weaver wrote: > On Wed, 4 Feb 2015, Dave Jones wrote: > > > On Tue, Feb 03, 2015 at 12:01:23PM -0500, Vince Weaver wrote: > > > > > > > @@ -237,6 +238,7 @@ enum perf_event_read_format { > > > #define PERF_ATTR_SIZE_VER2 80 /* add: branch_sample_type */ > > > #define PERF_ATTR_SIZE_VER3 96 /* add: sample_regs_user */ > > > /* add: sample_stack_user */ > > > +#define PERF_ATTR_SIZE_VER4 104 /* add: sample_regs_intr */ > > > > I've not given this a lot of thought before, but I'm assuming these > > are the 64-bit struct sizes. It might be interesting to also > > throw some 32-bit sizes in the mix. Who knows what horrors > > lie in wait for the compat syscalls. > > I might be misunderstanding, but I think the attr structure is defined in > a way that it has the same size on 32 and 64 bit. ah, ok. Yeah, now that I look at the struct definition, it's all u32/u64's, so this is the same size on both archs. Dave -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html