From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.rutland@arm.com (Mark Rutland) Date: Tue, 15 Dec 2015 15:57:37 +0000 Subject: [RFC PATCH 2/8] Documentation: arm: define DT cpu capacity bindings In-Reply-To: <20151215154651.GK16007@e106622-lin> References: <20151210175820.GE14571@e106622-lin> <20151211174940.GQ5727@sirena.org.uk> <20151214123616.GC3308@e106622-lin> <20151214165928.GV5727@sirena.org.uk> <20151215122238.GG16007@e106622-lin> <20151215133951.GY5727@sirena.org.uk> <20151215140135.GI31299@leverpostej> <20151215150813.GZ5727@sirena.org.uk> <20151215153218.GA7228@leverpostej> <20151215154651.GK16007@e106622-lin> Message-ID: <20151215155737.GB7619@leverpostej> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Dec 15, 2015 at 03:46:51PM +0000, Juri Lelli wrote: > On 15/12/15 15:32, Mark Rutland wrote: > > On Tue, Dec 15, 2015 at 03:08:13PM +0000, Mark Brown wrote: > > > My expectation is that we just need good enough, not perfect, and that > > > seems to match what Juri is saying about the expectation that most of > > > the fine tuning is done via other knobs. > > > > My expectation is that if a ballpark figure is good enough, it should be > > possible to implement something trivial like bogomips / loop_per_jiffy > > calculation. > > > > I didn't really followed that, so I might be wrong here, but isn't > already happened a discussion about how we want/like to stop exposing > bogomips info or rely on it for anything but in kernel delay loops? I meant that we could have a benchmark of that level of complexity, rather than those specific values. Mark.