I uploaded the /boot/config-5.10.0-5-amd64 file to dropbox.redhat.com : it looks like perf is compiled in: # # Kernel Performance Events And Counters # CONFIG_PERF_EVENTS=y and all the options below are =y (no =n). Maybe a module should be loaded ? On 04/04/2021 17:54, Loïc Dachary wrote: > > On 04/04/2021 17:46, jmario@xxxxxxxxxx wrote: >> Hi Loic: >> A little more clarification, as I dug in deeper. >> >> I was wrong on the cpu type. It is an Intel cpu. >> But led me astray was the uname and the /proc/cmdline: >> uname: Linux enough 5.10.0-5-amd64 #1 SMP Debian 5.10.24-1 (2021-03-19) x86_64 GNU/Linux >> /proc/cmdline: BOOT_IMAGE=/vmlinuz-5.10.0-5-amd64 root=/dev/mapper/enough--vg-root ro quiet >> >> But looking at the lscpu, I do see it's an Intel cpu. (Sorry for not looking at that first before sent my earlier reply.) > I'm relieved. >> It appears the Debian amd64 kernel does not support the perf events needed for this. >> >> Is it possible for you to run this on a recent CentOS-8 OS version? > Is there a simple way to verify that the kernel has support for perf events ? I'd like to try Ubuntu because it's been a while since I installed a > CentOS. >> I also see the system you used is a small, desktop level system with only 4 cpus (2 cores). If you can get a larger server, you should see more contention, which would help with this effort. > Yes, once the tests are ready I'll run them on an Intel server with > 128 CPU :-) >> Thanks, >> Joe >> _______________________________________________ >> Dev mailing list -- dev@xxxxxxx >> To unsubscribe send an email to dev-leave@xxxxxxx > > _______________________________________________ > Dev mailing list -- dev@xxxxxxx > To unsubscribe send an email to dev-leave@xxxxxxx -- Loïc Dachary, Artisan Logiciel Libre _______________________________________________ Dev mailing list -- dev@xxxxxxx To unsubscribe send an email to dev-leave@xxxxxxx
