Messages in this thread | | | Date | Wed, 29 Jul 2020 13:27:32 -0300 | Subject | Re: Should perf version match kernel version? | From | Arnaldo Carvalho de Melo <> |
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On July 29, 2020 1:02:20 PM GMT-03:00, peterz@infradead.org 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.
- Arnaldo
-- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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