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#ifndef _BSD_SOURCE
#define _BSD_SOURCE
#endif
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#include <sys/time.h>
#include <time.h>
#include <stdint.h>
#include <inttypes.h>
typedef int64_t count_t;
#define PRcount PRIi64
#define MAX_COUNT_LEN sizeof("−9223372036854775808")
struct stats {
time_t start;
struct timeval processing_time; /* Total processing time */
struct timeval gained_time; /* Processing time saved by waiting (pairs with waiting_time_for_good) */
struct timeval waiting_time; /* Total time waiting until getting the lock (waiting_time_for_me + waiting_time_for_anyone) */
struct timeval waiting_time_for_me; /* Total time waiting until getting a lock for that item */
struct timeval waiting_time_for_anyone; /* Total time waiting until getting a lock for anyone */
struct timeval waiting_time_for_good; /* Total time waiting until another worker did the work for us */
struct timeval wasted_timeout_time; /* Waiting time of workers which finally hitted its timeout */
#define COMMAND(item) volatile count_t item;
#include "stats.list"
#undef COMMAND
};
extern struct stats stats;
const char* provide_stats(const char* type);
#define incr_stats(item) stats.item++
#define decr_stats(item) stats.item--
#define time_stats(lock,item) \
do { \
struct timeval tv; \
if ( !timerisset( &now ) ) { \
gettimeofday( &now, NULL ); \
} \
timersub( &now, &(lock)->timeval, &tv ); \
timeradd( &tv, &stats.item, &stats.item ); \
} while (0)
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