Peter, Arnaldo, On Wed, Jul 29, 2020 at 01:27:32PM -0300, Arnaldo Carvalho de Melo wrote: > > > On July 29, 2020 1:02:20 PM GMT-03:00, [email protected] wrote: > >On Wed, Jul 29, 2020 at 06:56:47PM +0300, Vitaly Chikunov wrote: > >> Hi, > >> > >> It seems that most distros try to have perf version to match with > >> running kernel version. Is is requirement? Would it be better to have > >> single perf from kernel mainline to work with any (older) kernel > >> version? > >> > >> We have different kernel versions in ALT Linux (stable for 4.19, 5.4, > >> and 5.7) and I want to understand if we should have three perfs or > >> single package will be enough. > > > >We strive to have it all compatible, older perf should work on newer > >kernel and newer perf should work on older kernel. > > > >How well it's all tested is another. > > > >Personally I often use a very old perf. > > Yeah, never was a requirement, if you find some problem using a new perf on > an old kernel or the other way around, please report.
That's great to know. Thanks for the answers!
