| 1 | #ifndef __IP_PROF_H__ |
| 2 | #define __IP_PROF_H__ |
| 3 | |
| 4 | /* This number MUST match what is used in the ultra configuration! */ |
| 5 | #define IPPROFILETIO_MAX_SAMPLES 600 |
| 6 | |
| 7 | /* Move to .h file used in both; avoid special types */ |
| 8 | struct profile_sample { |
| 9 | unsigned int pc; /* PC value */ |
| 10 | unsigned int parent; /* a5 contents, to find the caller */ |
| 11 | unsigned char cond_codes; /* for branch prediction */ |
| 12 | unsigned char thread; /* I-blocked, D-blocked, |
| 13 | 4-bit thread number */ |
| 14 | unsigned short active; /* which threads are active - |
| 15 | for accurate counting */ |
| 16 | unsigned short blocked; /* which threads are blocked due to |
| 17 | I or D cache misses */ |
| 18 | unsigned int latency; /* CPU clocks since the last message |
| 19 | dispatch in this thread |
| 20 | (thread 0 only for now) */ |
| 21 | }; |
| 22 | |
| 23 | |
| 24 | struct profilenode { |
| 25 | struct devtree_node dn; |
| 26 | volatile unsigned char enabled; /* Is the tio enabled to |
| 27 | take samples? */ |
| 28 | volatile unsigned char busy; /* set when the samples |
| 29 | are being read */ |
| 30 | volatile unsigned int mask; /* Threads that change the MT_EN flag */ |
| 31 | volatile unsigned short rate; /* What is the sampling rate? */ |
| 32 | volatile unsigned short head; /* sample taker puts samples here */ |
| 33 | volatile unsigned short tail; /* packet filler takes samples here */ |
| 34 | volatile unsigned short count; /* number of valid samples */ |
| 35 | volatile unsigned short total; /* Total samples */ |
| 36 | struct profile_sample samples[IPPROFILETIO_MAX_SAMPLES]; |
| 37 | }; |
| 38 | |
| 39 | #endif |
| 40 | |
