diff options
-rw-r--r-- | arch/x86/kernel/cpu/resctrl/internal.h | 4 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/resctrl/monitor.c | 8 |
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; } |