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-rw-r--r--arch/x86/kernel/cpu/resctrl/internal.h4
-rw-r--r--arch/x86/kernel/cpu/resctrl/monitor.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index 8039e8aba7de..bdb55c2fbdd3 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -280,14 +280,12 @@ struct rftype {
/**
* struct mbm_state - status for each MBM counter in each domain
- * @chunks: Total data moved (multiply by rdt_group.mon_scale to get bytes)
* @prev_bw_chunks: Previous chunks value read for bandwidth calculation
* @prev_bw: The most recent bandwidth in MBps
* @delta_bw: Difference between the current and previous bandwidth
* @delta_comp: Indicates whether to compute the delta_bw
*/
struct mbm_state {
- u64 chunks;
u64 prev_bw_chunks;
u32 prev_bw;
u32 delta_bw;
@@ -297,10 +295,12 @@ struct mbm_state {
/**
* struct arch_mbm_state - values used to compute resctrl_arch_rmid_read()s
* return value.
+ * @chunks: Total data moved (multiply by rdt_group.mon_scale to get bytes)
* @prev_msr: Value of IA32_QM_CTR last time it was read for the RMID used to
* find this struct.
*/
struct arch_mbm_state {
+ u64 chunks;
u64 prev_msr;
};
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index 862a4462ed60..27bb4947a176 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -204,7 +204,9 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_domain *d,
am = get_arch_mbm_state(hw_dom, rmid, eventid);
if (am) {
- *val = mbm_overflow_count(am->prev_msr, msr_val, hw_res->mbm_width);
+ am->chunks += mbm_overflow_count(am->prev_msr, msr_val,
+ hw_res->mbm_width);
+ *val = get_corrected_mbm_count(rmid, am->chunks);
am->prev_msr = msr_val;
} else {
*val = msr_val;
@@ -374,9 +376,7 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr)
return 0;
}
- m->chunks += tval;
-
- rr->val += get_corrected_mbm_count(rmid, m->chunks);
+ rr->val += tval;
return 0;
}