On 04/03/2022 14:33, Peter Zijlstra wrote: > On Mon, Feb 14, 2022 at 01:09:05PM +0200, Adrian Hunter wrote: >> +u64 perf_hw_clock(void) >> +{ >> + return rdtsc_ordered(); >> +} > > Why the _ordered ? To be on the safe-side - in case it matters. trace_clock_x86_tsc() also uses the ordered variant.