diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:20:30 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:21:47 -0700 |
| commit | d392da5207352f09030e95d9ea335a4225667ec0 (patch) | |
| tree | 7d6cd1932afcad0a5619a5c504a6d93ca318187c /arch/powerpc/include/asm/lppaca.h | |
| parent | e39d5ef678045d61812c1401f04fe8edb14d6359 (diff) | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'arch/powerpc/include/asm/lppaca.h')
| -rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 14b592dfb4e..7f5e0fefebb 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -153,6 +153,8 @@ struct lppaca { extern struct lppaca lppaca[]; +#define lppaca_of(cpu) (*paca[cpu].lppaca_ptr) + /* * SLB shadow buffer structure as defined in the PAPR. The save_area * contains adjacent ESID and VSID pairs for each shadowed SLB. The @@ -170,6 +172,33 @@ struct slb_shadow { extern struct slb_shadow slb_shadow[]; +/* + * Layout of entries in the hypervisor's dispatch trace log buffer. + */ +struct dtl_entry { + u8 dispatch_reason; + u8 preempt_reason; + u16 processor_id; + u32 enqueue_to_dispatch_time; + u32 ready_to_enqueue_time; + u32 waiting_to_ready_time; + u64 timebase; + u64 fault_addr; + u64 srr0; + u64 srr1; +}; + +#define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */ +#define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry)) + +/* + * When CONFIG_VIRT_CPU_ACCOUNTING = y, the cpu accounting code controls + * reading from the dispatch trace log. If other code wants to consume + * DTL entries, it can set this pointer to a function that will get + * called once for each DTL entry that gets processed. + */ +extern void (*dtl_consumer)(struct dtl_entry *entry, u64 index); + #endif /* CONFIG_PPC_BOOK3S */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_LPPACA_H */ |