Bug#1028376: linux-image-5.10.0-20-amd64: PHP Performance on kernels above 5.10.0-16-amd64 on Debian 11

2023-01-10 Thread Tomeu Vidal
El 10/01/2023 a las 10:45, Salvatore Bonaccorso escribió: If you do not need the mitigations in your particular case, disable those. Does performace measured improves again? Yes. With kernel boot parameter spectre_v2=off, the performace improves as spected. Thanks in advance. -- Tomeu

Bug#1028376: linux-image-5.10.0-20-amd64: PHP Performance on kernels above 5.10.0-16-amd64 on Debian 11

2023-01-10 Thread Salvatore Bonaccorso
Hi, On Tue, Jan 10, 2023 at 10:00:51AM +0100, Tomeu Vidal Vázquez wrote: > Package: src:linux > Version: 5.10.158-2 > Severity: normal > > Dear Maintainer, > >* What led up to the situation? After kernel 5.10.0-16-amd64 > (5.10.0-17-amd64 and above) the performace of the machine is

Bug#1028376: linux-image-5.10.0-20-amd64: PHP Performance on kernels above 5.10.0-16-amd64 on Debian 11

2023-01-10 Thread Tomeu Vidal Vázquez
Package: src:linux Version: 5.10.158-2 Severity: normal Dear Maintainer, * What led up to the situation? After kernel 5.10.0-16-amd64 (5.10.0-17-amd64 and above) the performace of the machine is dropping. The same machine running kernel 5.10.0-16-amd64 has about 100% less of load. *