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. 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