diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/spufs.h')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/spufs.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index cdc515182f8..dd63b16bb07 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -47,6 +47,30 @@ enum { SPU_SCHED_SPU_RUN, /* context is within spu_run */ }; +enum { + SWITCH_LOG_BUFSIZE = 4096, +}; + +enum { + SWITCH_LOG_START, + SWITCH_LOG_STOP, + SWITCH_LOG_EXIT, +}; + +struct switch_log { + spinlock_t lock; + wait_queue_head_t wait; + unsigned long head; + unsigned long tail; + struct switch_log_entry { + struct timespec tstamp; + s32 spu_id; + u32 type; + u32 val; + u64 timebase; + } log[]; +}; + struct spu_context { struct spu *spu; /* pointer to a physical SPU */ struct spu_state csa; /* SPU context save area. */ @@ -116,6 +140,9 @@ struct spu_context { unsigned long long libassist; } stats; + /* context switch log */ + struct switch_log *switch_log; + struct list_head aff_list; int aff_head; int aff_offset; @@ -256,6 +283,8 @@ int spu_activate(struct spu_context *ctx, unsigned long flags); void spu_deactivate(struct spu_context *ctx); void spu_yield(struct spu_context *ctx); void spu_switch_notify(struct spu *spu, struct spu_context *ctx); +void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx, + u32 type, u32 val); void spu_set_timeslice(struct spu_context *ctx); void spu_update_sched_info(struct spu_context *ctx); void __spu_update_sched_info(struct spu_context *ctx); |