There's https://man.openbsd.org/nice.1
You might be describing https://man.openbsd.org/setrlimit.2 or the ulimit shell builtin (ulimit -t). But you might not want what you are describing, if that is the case. -- Raul On Tue, May 29, 2018 at 2:35 PM, BergenBergen BergenBergen <[email protected]> wrote: > Browser or not, how *does* one cap CPU resources though? I think it's a > very interesting question, and I'm sorta baffled by the fact that the > demand for this kinda thing hasn't been any higher. > > All the best, > Murk > > On Tue, May 29, 2018 at 8:10 PM, Dumitru Mișu Moldovan <[email protected]> > wrote: > >> On 05/27/18 13:07, Maximilian Pichler wrote: >> >>> Is it possible to limit the CPU usage of a given process to, say, 20%? >>> >>> I'd like to slow down the web browser since it is draining my laptop's >>> battery. With enough tabs open it's often consuming ~50% of CPU but >>> not doing anything productive. Apparently with RLIMIT_CPU in >>> setrlimit(2) the total CPU time of a process can be limited. Can a >>> similar limit be set for the percentage? >>> >> >> Honest question… Have you tried blocking ads with something like uBlock >> Origin? I use several approaches to make web browsing palatable on old >> hardware, and blocking ads is what makes the biggest difference for me. >> (Using NoScript or equivalents to selectively enable JavaScript for sites >> where I actually need it is a distant second.) >> >> Capping CPU resources is not the way to go on a laptop in my opinion, >> unless you have some demanding job that always runs in the background in >> your browser, and that's a problem by itself in your scenario. Capping >> will not change the fact that you'll still spend the same resources on >> loading web pages, however it will slow you down and annoy you. >> >>

