Searched refs:derivative (Results 1 – 1 of 1) sorted by relevance
533 s64 proportional, derivative, change; in bch2_pd_controller_update() local546 derivative = actual - pd->last_actual; in bch2_pd_controller_update()547 derivative = div_s64(derivative, seconds_since_update); in bch2_pd_controller_update()548 derivative = ewma_add(pd->smoothed_derivative, derivative, in bch2_pd_controller_update()550 derivative = derivative * pd->d_term; in bch2_pd_controller_update()551 derivative = div_s64(derivative, pd->p_term_inverse); in bch2_pd_controller_update()553 change = proportional + derivative; in bch2_pd_controller_update()568 pd->last_derivative = derivative; in bch2_pd_controller_update()
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