1 #ifndef _ASM_INTEL_DS_H
2 #define _ASM_INTEL_DS_H
3
4 #include <linux/percpu-defs.h>
5
6 #define BTS_BUFFER_SIZE (PAGE_SIZE << 4)
7 #define PEBS_BUFFER_SIZE (PAGE_SIZE << 4)
8
9
10 #define MAX_PEBS_EVENTS 8
11 #define MAX_FIXED_PEBS_EVENTS 4
12
13
14
15
16
17
18 struct debug_store {
19 u64 bts_buffer_base;
20 u64 bts_index;
21 u64 bts_absolute_maximum;
22 u64 bts_interrupt_threshold;
23 u64 pebs_buffer_base;
24 u64 pebs_index;
25 u64 pebs_absolute_maximum;
26 u64 pebs_interrupt_threshold;
27 u64 pebs_event_reset[MAX_PEBS_EVENTS + MAX_FIXED_PEBS_EVENTS];
28 } __aligned(PAGE_SIZE);
29
30 DECLARE_PER_CPU_PAGE_ALIGNED(struct debug_store, cpu_debug_store);
31
32 struct debug_store_buffers {
33 char bts_buffer[BTS_BUFFER_SIZE];
34 char pebs_buffer[PEBS_BUFFER_SIZE];
35 };
36
37 #endif