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charset=us-ascii Content-Disposition: inline In-Reply-To: <98E08059-6607-43FF-84E3-BFF3FF193D09@redhat.com> X-Rspam-User: X-Rspamd-Queue-Id: 6BB38100009 X-Rspamd-Server: rspam01 X-Stat-Signature: 95wnc339nzf36sk74khunr4tzfsoc5bd X-HE-Tag: 1681977343-194280 X-HE-Meta: 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 NRB6dcLa W4xfUjvIYbl49hVJu6NwU7X+1/rV5D6YOBo/+SiM584XWw2mwbHIYVIMQF6/oHGWf/NlYbaBLXAEK6A1ZYM9TZ9eYgCFXAtNuElqfGFKMQo/5i4eNpy0zowDC2nWyD/kUA5MKh70XazIFy0wmXPAsLxWUnZ/VpY9VcSr2h/6Gjz8E5JGk4GiK7h8KaRs2qOImpNX6 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed 19-04-23 08:44:23, Andrew Theurer wrote: > > On Apr 19, 2023, at 6:15 AM, Marcelo Tosatti wrote: > >> Andrew Theurer, can you please explain what problem is the vmstat_work > >> interruption causing in your testing? > > > > +CC Andrew. > > Nearly every telco we work with for 5G RAN is demanding <20 usec CPU > latency as measured by cyclictest & oslat. We cannot achieve under 20 > usec with the vmstats interruption. Are you able to get those latency requirements with PREEMPT_RT? -- Michal Hocko SUSE Labs