cpu/resctrl/monitor.c

32  * @rmid:	The RMID for this entry.
37  * both @closid and @rmid, or @rmid only.
43 	u32				rmid;
102  * If rmid > rmid threshold, MBM total and local values should be multiplied
107  * 1. The threshold 0 is changed to rmid count - 1 so don't do correction
152 static inline u64 get_corrected_mbm_count(u32 rmid, unsigned long val)
155 	if (rmid > mbm_cf_rmidthreshold)
177 	u32 closid, rmid;
180 	resctrl_arch_rmid_idx_decode(idx, &closid, &rmid);
183 	WARN_ON_ONCE(entry->rmid != rmid);
188 static int __rmid_read(u32 rmid, enum resctrl_event_id eventid, u64 *val)
200 	wrmsr(MSR_IA32_QM_EVTSEL, eventid, rmid);
213 						 u32 rmid,
220 		return &hw_dom->arch_mbm_total[rmid];
222 		return &hw_dom->arch_mbm_local[rmid];
232 			     u32 unused, u32 rmid,
238 	am = get_arch_mbm_state(hw_dom, rmid, eventid);
243 		__rmid_read(rmid, eventid, &am->prev_msr);
273 			   u32 unused, u32 rmid, enum resctrl_event_id eventid,
287 	ret = __rmid_read(rmid, eventid, &msr_val);
291 	am = get_arch_mbm_state(hw_dom, rmid, eventid);
295 		chunks = get_corrected_mbm_count(rmid, am->chunks);
352 		if (resctrl_arch_rmid_read(r, d, entry->closid, entry->rmid,
367 			trace_mon_llc_occupancy_limbo(entry->closid, entry->rmid, d->id, val);
404 		itr_idx = resctrl_arch_rmid_idx_encode(itr->closid, itr->rmid);
405 		cmp_idx = resctrl_arch_rmid_idx_encode(closid, itr->rmid);
476 	return entry->rmid;
490 	idx = resctrl_arch_rmid_idx_encode(entry->closid, entry->rmid);
510 void free_rmid(u32 closid, u32 rmid)
512 	u32 idx = resctrl_arch_rmid_idx_encode(closid, rmid);
518 	 * Do not allow the default rmid to be free'd. Comparing by index
535 				       u32 rmid, enum resctrl_event_id evtid)
537 	u32 idx = resctrl_arch_rmid_idx_encode(closid, rmid);
549 static int __mon_event_count(u32 closid, u32 rmid, struct rmid_read *rr)
555 		resctrl_arch_reset_rmid(rr->r, rr->d, closid, rmid, rr->evtid);
556 		m = get_mbm_state(rr->d, closid, rmid, rr->evtid);
562 	rr->err = resctrl_arch_rmid_read(rr->r, rr->d, closid, rmid, rr->evtid,
576  * @rmid:	The rmid used to identify the cached mbm_state.
584 static void mbm_bw_count(u32 closid, u32 rmid, struct rmid_read *rr)
586 	u32 idx = resctrl_arch_rmid_idx_encode(closid, rmid);
612 	ret = __mon_event_count(rdtgrp->closid, rdtgrp->mon.rmid, rr);
623 			if (__mon_event_count(entry->closid, entry->mon.rmid,
672 	u32 closid, rmid, cur_msr_val, new_msr_val;
686 	rmid = rgrp->mon.rmid;
687 	idx = resctrl_arch_rmid_idx_encode(closid, rmid);
707 		cmbm_data = &dom_mbm->mbm_local[entry->mon.rmid];
737 		       u32 closid, u32 rmid)
759 		__mon_event_count(closid, rmid, &rr);
773 		__mon_event_count(closid, rmid, &rr);
781 			mbm_bw_count(closid, rmid, &rr);
857 		mbm_update(r, d, prgrp->closid, prgrp->mon.rmid);
861 			mbm_update(r, d, crgrp->closid, crgrp->mon.rmid);
948 		resctrl_arch_rmid_idx_decode(i, &entry->closid, &entry->rmid);