On Tue, 2020-10-27 at 14:08 -0600, Shuah Khan wrote: > > > @@ -73,8 +80,8 @@ int main(int argc, char **argv) { > > aperf = new_aperf-old_aperf; > > mperf = new_mperf-old_mperf; > > > > - start = before.time*1000 + before.millitm; > > - finish = after.time*1000 + after.millitm; > > + start = before.tv_sec*1000 + before.tv_nsec/1000000L; > > + finish = after.tv_sec*1000 + after.tv_nsec/1000000L; > > Why not use timespec dNSEC_PER_MSEC define from include/vdso/time64.h? Hi, If the define was available in the UAPI headers, then certainly would make sense to use it. But I would not mess with the kernel internal headers here. -Tommi