Lines Matching refs:fmp
2387 static void fmeter_init(struct fmeter *fmp) in fmeter_init() argument
2389 fmp->cnt = 0; in fmeter_init()
2390 fmp->val = 0; in fmeter_init()
2391 fmp->time = 0; in fmeter_init()
2392 spin_lock_init(&fmp->lock); in fmeter_init()
2396 static void fmeter_update(struct fmeter *fmp) in fmeter_update() argument
2402 ticks = now - fmp->time; in fmeter_update()
2409 fmp->val = (FM_COEF * fmp->val) / FM_SCALE; in fmeter_update()
2410 fmp->time = now; in fmeter_update()
2412 fmp->val += ((FM_SCALE - FM_COEF) * fmp->cnt) / FM_SCALE; in fmeter_update()
2413 fmp->cnt = 0; in fmeter_update()
2417 static void fmeter_markevent(struct fmeter *fmp) in fmeter_markevent() argument
2419 spin_lock(&fmp->lock); in fmeter_markevent()
2420 fmeter_update(fmp); in fmeter_markevent()
2421 fmp->cnt = min(FM_MAXCNT, fmp->cnt + FM_SCALE); in fmeter_markevent()
2422 spin_unlock(&fmp->lock); in fmeter_markevent()
2426 static int fmeter_getrate(struct fmeter *fmp) in fmeter_getrate() argument
2430 spin_lock(&fmp->lock); in fmeter_getrate()
2431 fmeter_update(fmp); in fmeter_getrate()
2432 val = fmp->val; in fmeter_getrate()
2433 spin_unlock(&fmp->lock); in fmeter_getrate()