Messages in this thread | | | Date | Fri, 8 Nov 2019 10:02:37 +0900 | From | Keith Busch <> | Subject | Re: [PATCH v5] nvme: Add hardware monitoring support |
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On Wed, Nov 06, 2019 at 06:35:18AM -0800, Guenter Roeck wrote: > nvme devices report temperature information in the controller information > (for limits) and in the smart log. Currently, the only means to retrieve > this information is the nvme command line interface, which requires > super-user privileges. > > At the same time, it would be desirable to be able to use NVMe temperature > information for thermal control. > > This patch adds support to read NVMe temperatures from the kernel using the > hwmon API and adds temperature zones for NVMe drives. The thermal subsystem > can use this information to set thermal policies, and userspace can access > it using libsensors and/or the "sensors" command. > > Example output from the "sensors" command: > > nvme0-pci-0100 > Adapter: PCI adapter > Composite: +39.0°C (high = +85.0°C, crit = +85.0°C) > Sensor 1: +39.0°C > Sensor 2: +41.0°C > > Reviewed-by: Christoph Hellwig <hch@lst.de> > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Thanks, applied for 5.5
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