1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
#ifndef _MEM_METER_H_
#define _MEM_METER_H_
/* object to track per-action memory usage (e.g. #idle objects) */
class MemMeter {
public:
MemMeter() : level(0), hwater_level(0), hwater_stamp(0) {}
ssize_t level; /* current level (count or volume) */
ssize_t hwater_level; /* high water mark */
time_t hwater_stamp; /* timestamp of last high water mark change */
};
#define memMeterSyncHWater(m) { (m).hwater_level = (m).level; (m).hwater_stamp = squid_curtime ? squid_curtime : time(NULL); }
#define memMeterCheckHWater(m) { if ((m).hwater_level < (m).level) memMeterSyncHWater((m)); }
#define memMeterInc(m) { (m).level++; memMeterCheckHWater(m); }
#define memMeterDec(m) { (m).level--; }
#define memMeterAdd(m, sz) { (m).level += (sz); memMeterCheckHWater(m); }
#define memMeterDel(m, sz) { (m).level -= (sz); }
#endif /* _MEM_METER_H_ */
|
