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/* stats-data.h
*
* COPYRIGHT (c) 1994 AT&T Bell Laboratories.
*/
#ifndef _STATS_DATA_
#define _STATS_DATA_
#ifndef _ML_BASE_
typedef unsigned int Unsigned32_t;
#endif
#include "ml-timer.h"
#include "cntr.h"
typedef struct {
Time_t startTime; /* the time of initialization */
Unsigned32_t mask; /* bitmask, telling which things were */
/* measured */
Unsigned32_t isNewRuntime; /* true, if this is the new runtime */
/* new runtime parameters */
Unsigned32_t allocSzB; /* the size of the allocation space */
Unsigned32_t numGens; /* the number of generations. */
/* old runtime parameters */
Unsigned32_t softmax;
Unsigned32_t ratio;
Unsigned32_t pad[8]; /* pad to 64 bytes */
} stat_hdr_t;
typedef struct {
cntr_t allocCnt; /* allocation count (in bytes) */
Unsigned32_t numGens; /* the number of generations collected */
Time_t startTime;
Time_t stopTime;
Unsigned32_t pad[9]; /* pad to 64 bytes */
} stat_rec_t;
/* mask bits in header */
#define STATMASK_ALLOC 0x01
#define STATMASK_NGENS 0x02
#define STATMASK_START 0x04
#define STATMASK_STOP 0x08
#ifdef COLLECT_STATS
#define STATS_BUF_SZ (2048/sizeof(stat_rec_t))
extern bool_t StatsOn; /* if TRUE, then generate stats */
extern int StatsFD; /* the file descriptor to write the data to */
extern stat_rec_t StatsBuf[]; /* buffer of data */
extern int NStatsRecs; /* the number of records in the buffer */
/* flush out any records in the buffer */
#define STATS_FLUSH_BUF() { \
if (NStatsRecs >= 0) { \
write (StatsFD, (char *)StatsBuf, NStatsRecs*sizeof(stat_rec_t)); \
NStatsRecs = 0; \
} \
}
#define STATS_FINISH() { \
if (++NStatsRecs >= STATS_BUF_SZ) { \
write (StatsFD, (char *)StatsBuf, STATS_BUF_SZ*sizeof(stat_rec_t)); \
NStatsRecs = 0; \
} \
}
#endif
#endif /* !_STATS_DATA_ */
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