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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > On Fri, Jan 8, 2021 at 11:52 AM Misono Tomohiro > wrote: > > > > This adds sysfs entry per CMG to show running barrier driver status > > for debugging user application. The following entries will be created: > > > > /sys/class/misc/fujitsu_hwb > > |- hwinfo ... number of CMG/BB/BW/pe_per_cmg on running system > > |- CMG0 > > |- core_map ... cpuid belonging to this CMG > > |- used_bb_bmap ... bitmap of currently allocated BB > > |- used_bw_bmap ... bitmap of currently allocated BW > > |- init_sync_bb0 ... current value of INIT_SYNC register 0 > > |- init_sync_bb1 ... current value of INIT_SYNC register 1 > > ... > > |- CMG1 > > ... > > If this is meant as a stable interface, it should be documented in > Documentation/ABI/ > > However, if it's purely for debugging and may not get maintained > forever, you might want to use debugfs instead. > As you guess this is only for debugging purpose, so I will try debugfs. Thanks for review, Tomohiro _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel