Lines Matching full:fmp
65 void fmeter_init(struct fmeter *fmp) in fmeter_init() argument
67 fmp->cnt = 0; in fmeter_init()
68 fmp->val = 0; in fmeter_init()
69 fmp->time = 0; in fmeter_init()
70 spin_lock_init(&fmp->lock); in fmeter_init()
74 static void fmeter_update(struct fmeter *fmp) in fmeter_update() argument
80 ticks = now - fmp->time; in fmeter_update()
87 fmp->val = (FM_COEF * fmp->val) / FM_SCALE; in fmeter_update()
88 fmp->time = now; in fmeter_update()
90 fmp->val += ((FM_SCALE - FM_COEF) * fmp->cnt) / FM_SCALE; in fmeter_update()
91 fmp->cnt = 0; in fmeter_update()
95 static void fmeter_markevent(struct fmeter *fmp) in fmeter_markevent() argument
97 spin_lock(&fmp->lock); in fmeter_markevent()
98 fmeter_update(fmp); in fmeter_markevent()
99 fmp->cnt = min(FM_MAXCNT, fmp->cnt + FM_SCALE); in fmeter_markevent()
100 spin_unlock(&fmp->lock); in fmeter_markevent()
104 static int fmeter_getrate(struct fmeter *fmp) in fmeter_getrate() argument
108 spin_lock(&fmp->lock); in fmeter_getrate()
109 fmeter_update(fmp); in fmeter_getrate()
110 val = fmp->val; in fmeter_getrate()
111 spin_unlock(&fmp->lock); in fmeter_getrate()