On Tue, Jul 15, 2014 at 12:20:03PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Jul 14, 2014 at 01:03:03PM +0300, Adrian Hunter escreveu: > > It is possible to record a perf.data file on > > one architecture and process it on another. > > Consequently, TSC conversion functions need > > to be moved out of the arch directory. > > Can you state where a TSC is stored in perf.data, and how in the !x86 > arch this will be detected so that those functions will be used? So there's nothing intrinsically x86/tsc about the perf interface here, although that's currently the only one implementing this thing. Other archs could equally expose their 'cycle' counter etc..