Lines Matching refs:fmp
1379 static void fmeter_init(struct fmeter *fmp) in fmeter_init() argument
1381 fmp->cnt = 0; in fmeter_init()
1382 fmp->val = 0; in fmeter_init()
1383 fmp->time = 0; in fmeter_init()
1384 spin_lock_init(&fmp->lock); in fmeter_init()
1388 static void fmeter_update(struct fmeter *fmp) in fmeter_update() argument
1391 time_t ticks = now - fmp->time; in fmeter_update()
1398 fmp->val = (FM_COEF * fmp->val) / FM_SCALE; in fmeter_update()
1399 fmp->time = now; in fmeter_update()
1401 fmp->val += ((FM_SCALE - FM_COEF) * fmp->cnt) / FM_SCALE; in fmeter_update()
1402 fmp->cnt = 0; in fmeter_update()
1406 static void fmeter_markevent(struct fmeter *fmp) in fmeter_markevent() argument
1408 spin_lock(&fmp->lock); in fmeter_markevent()
1409 fmeter_update(fmp); in fmeter_markevent()
1410 fmp->cnt = min(FM_MAXCNT, fmp->cnt + FM_SCALE); in fmeter_markevent()
1411 spin_unlock(&fmp->lock); in fmeter_markevent()
1415 static int fmeter_getrate(struct fmeter *fmp) in fmeter_getrate() argument
1419 spin_lock(&fmp->lock); in fmeter_getrate()
1420 fmeter_update(fmp); in fmeter_getrate()
1421 val = fmp->val; in fmeter_getrate()
1422 spin_unlock(&fmp->lock); in fmeter_getrate()