40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
#ifndef __IP_PROF_H__
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#define __IP_PROF_H__
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/* This number MUST match what is used in the ultra configuration! */
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#define IPPROFILETIO_MAX_SAMPLES 600
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/* Move to .h file used in both; avoid special types */
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struct profile_sample {
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unsigned int pc; /* PC value */
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unsigned int parent; /* a5 contents, to find the caller */
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unsigned char cond_codes; /* for branch prediction */
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unsigned char thread; /* I-blocked, D-blocked,
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4-bit thread number */
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unsigned short active; /* which threads are active -
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for accurate counting */
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unsigned short blocked; /* which threads are blocked due to
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I or D cache misses */
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unsigned int latency; /* CPU clocks since the last message
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dispatch in this thread
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(thread 0 only for now) */
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};
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struct profilenode {
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struct devtree_node dn;
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volatile unsigned char enabled; /* Is the tio enabled to
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take samples? */
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volatile unsigned char busy; /* set when the samples
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are being read */
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volatile unsigned int mask; /* Threads that change the MT_EN flag */
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volatile unsigned short rate; /* What is the sampling rate? */
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volatile unsigned short head; /* sample taker puts samples here */
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volatile unsigned short tail; /* packet filler takes samples here */
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volatile unsigned short count; /* number of valid samples */
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volatile unsigned short total; /* Total samples */
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struct profile_sample samples[IPPROFILETIO_MAX_SAMPLES];
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};
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#endif
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