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When supported, "mbm_event" counter assignment mode allows users to assign a hardware counter to an RMID, event pair and monitor the bandwidth usage as long as it is assigned. The hardware continues to track the assigned counter until it is explicitly unassigned by the user. Introduce the architecture calls resctrl_arch_cntr_read() and resctrl_arch_reset_cntr() to read and reset event counters when "mbm_event" mode is supported. Function names match existing resctrl_arch_rmid_read() and resctrl_arch_reset_rmid(). Suggested-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://lore.kernel.org/cover.1757108044.git.babu.moger@amd.com |
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