From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@infradead.org (Christoph Hellwig) Date: Tue, 23 May 2017 02:42:55 -0700 Subject: NVMe APST high latency power states being skipped In-Reply-To: References: <20170523071705.GD16776@infradead.org> Message-ID: <20170523094255.GA12958@infradead.org> On Tue, May 23, 2017@04:06:27PM +0800, Kai-Heng Feng wrote: > I have no idea about the performance impact though. Is there any > benchmark test storage power management latency? Mostly I want to verify this using some normal workloads - e.g. kernel compiles are always the kernel hackers favourite, and some application runs that are easily verifyable, e.g. video playback might be an interesting one.