gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pmu: Use bitmap instead of index to specify counters / events

Browse Source 
Let the software index (or number) same as the hardware index at the
same time.

Change-Id: I847180e94bf2c57644ae2f8f571cdb4a84eac991
This commit is contained in:
TOIDA,Suguru
2019-04-09 13:26:25 +09:00
parent b945367c90
commit b6285c9aa9
4 changed files with 72 additions and 145 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm64/kernel/include/arch-perfctr.h
View File

@@ -20,10 +20,10 @@ struct arm_pmu {
void (*reset)(void*);
int (*enable_pmu)(void);
void (*disable_pmu)(void);
int (*enable_counter)(int);
int (*disable_counter)(int);
int (*enable_intens)(int);
int (*disable_intens)(int);
int (*enable_counter)(unsigned long counter_mask);
int (*disable_counter)(unsigned long counter_mask);
int (*enable_intens)(unsigned long counter_mask);
int (*disable_intens)(unsigned long counter_mask);
int (*set_event_filter)(unsigned long*, int);
void (*write_evtype)(int, uint32_t);
int (*get_event_idx)(int num_events, unsigned long used_mask,
@@ -34,6 +34,7 @@ struct arm_pmu {
int (*map_raw_event)(uint64_t config);
void (*enable_user_access_pmu_regs)(void);
void (*disable_user_access_pmu_regs)(void);
int (*counter_mask_valid)(unsigned long counter_mask);
struct per_cpu_arm_pmu *per_cpu;
};