diff options
Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt.h')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h index f160403324d3..94e488af082e 100644 --- a/arch/x86/kernel/cpu/intel_rdt.h +++ b/arch/x86/kernel/cpu/intel_rdt.h @@ -21,10 +21,13 @@ #define QOS_L3_MBM_LOCAL_EVENT_ID 0x03 #define MBM_CNTR_WIDTH 24 +#define MBM_OVERFLOW_INTERVAL 1000 #define RMID_VAL_ERROR BIT_ULL(63) #define RMID_VAL_UNAVAIL BIT_ULL(62) +DECLARE_STATIC_KEY_FALSE(rdt_enable_key); + /** * struct mon_evt - Entry in the event list of a resource * @evtid: event id @@ -183,6 +186,9 @@ struct mbm_state { * bitmap of which limbo RMIDs are above threshold * @mbm_total: saved state for MBM total bandwidth * @mbm_local: saved state for MBM local bandwidth + * @mbm_over: worker to periodically read MBM h/w counters + * @mbm_work_cpu: + * worker cpu for MBM h/w counters * @ctrl_val: array of cache or mem ctrl values (indexed by CLOSID) * @new_ctrl: new ctrl value to be loaded * @have_new_ctrl: did user provide new_ctrl for this domain @@ -194,6 +200,8 @@ struct rdt_domain { unsigned long *rmid_busy_llc; struct mbm_state *mbm_total; struct mbm_state *mbm_local; + struct delayed_work mbm_over; + int mbm_work_cpu; u32 *ctrl_val; u32 new_ctrl; bool have_new_ctrl; @@ -411,5 +419,7 @@ void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, struct rdt_domain *d); void mon_event_read(struct rmid_read *rr, struct rdt_domain *d, struct rdtgroup *rdtgrp, int evtid, int first); +void mbm_setup_overflow_handler(struct rdt_domain *dom); +void mbm_handle_overflow(struct work_struct *work); #endif /* _ASM_X86_INTEL_RDT_H */ |