Thanks for the reply, Nikolay. It works for me with 2.6.32 kernel too. Thanks, Guang On Thu, Sep 8, 2016 at 11:29 PM, Nikolay Borisov <kernel@xxxxxxxx> wrote: > > > On 09/09/2016 02:32 AM, Guang Yang wrote: >> Hello, >> We are evaluating to use cgroups to isolate different applications on >> Linux. One use case of our application is that it reads/writes to >> multiple block devices and we would like throttle the IO for each >> application to each devices via blkio.throttle.read_iops_device. >> However, it looks like each group can only configure one device. >> >> Am I miss anything? Is there a way to support such semantic - limit >> the number of reads to multiple devices within one group? >> >> Thanks very much. >> -- >> To unsubscribe from this list: send the line "unsubscribe cgroups" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > > [root@kernighan c11]# cat blkio.throttle.read_bps_device > [root@kernighan c11]# echo "253:12 1600000" > blkio.throttle.read_bps_device > [root@kernighan c11]# echo "253:13 1600000" >> blkio.throttle.read_bps_device > [root@kernighan c11]# cat blkio.throttle.read_bps_device > 253:13 1600000 > 253:12 1600000 > > > It works just fine (this is on 4.4 kernel though) > > Regards, > Nikolay -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
