sys/kern/kern_racct.c

189 static const fixpt_t RACCT_DECAY_FACTOR = 0.3 * FSCALE;
195  * ccpu_exp[k] = FSCALE * (ccpu/FSCALE)^k = FSCALE * exp(-k/20)
200 	[0] = FSCALE * 1,
201 	[1] = FSCALE * 0.95122942450071400909,
202 	[2] = FSCALE * 0.90483741803595957316,
203 	[3] = FSCALE * 0.86070797642505780722,
204 	[4] = FSCALE * 0.81873075307798185866,
205 	[5] = FSCALE * 0.77880078307140486824,
206 	[6] = FSCALE * 0.74081822068171786606,
207 	[7] = FSCALE * 0.70468808971871343435,
208 	[8] = FSCALE * 0.67032004603563930074,
209 	[9] = FSCALE * 0.63762815162177329314,
210 	[10] = FSCALE * 0.60653065971263342360,
211 	[11] = FSCALE * 0.57694981038048669531,
212 	[12] = FSCALE * 0.54881163609402643262,
213 	[13] = FSCALE * 0.52204577676101604789,
214 	[14] = FSCALE * 0.49658530379140951470,
215 	[15] = FSCALE * 0.47236655274101470713,
216 	[16] = FSCALE * 0.44932896411722159143,
217 	[17] = FSCALE * 0.42741493194872666992,
218 	[18] = FSCALE * 0.40656965974059911188,
219 	[19] = FSCALE * 0.38674102345450120691,
220 	[20] = FSCALE * 0.36787944117144232159,
221 	[21] = FSCALE * 0.34993774911115535467,
222 	[22] = FSCALE * 0.33287108369807955328,
223 	[23] = FSCALE * 0.31663676937905321821,
224 	[24] = FSCALE * 0.30119421191220209664,
225 	[25] = FSCALE * 0.28650479686019010032,
226 	[26] = FSCALE * 0.27253179303401260312,
227 	[27] = FSCALE * 0.25924026064589150757,
228 	[28] = FSCALE * 0.24659696394160647693,
229 	[29] = FSCALE * 0.23457028809379765313,
230 	[30] = FSCALE * 0.22313016014842982893,
231 	[31] = FSCALE * 0.21224797382674305771,
232 	[32] = FSCALE * 0.20189651799465540848,
233 	[33] = FSCALE * 0.19204990862075411423,
234 	[34] = FSCALE * 0.18268352405273465022,
235 	[35] = FSCALE * 0.17377394345044512668,
236 	[36] = FSCALE * 0.16529888822158653829,
237 	[37] = FSCALE * 0.15723716631362761621,
238 	[38] = FSCALE * 0.14956861922263505264,
239 	[39] = FSCALE * 0.14227407158651357185,
240 	[40] = FSCALE * 0.13533528323661269189,
241 	[41] = FSCALE * 0.12873490358780421886,
242 	[42] = FSCALE * 0.12245642825298191021,
243 	[43] = FSCALE * 0.11648415777349695786,
244 	[44] = FSCALE * 0.11080315836233388333,
245 	[45] = FSCALE * 0.10539922456186433678,
246 	[46] = FSCALE * 0.10025884372280373372,
247 	[47] = FSCALE * 0.09536916221554961888,
248 	[48] = FSCALE * 0.09071795328941250337,
249 	[49] = FSCALE * 0.08629358649937051097,
250 	[50] = FSCALE * 0.08208499862389879516,
251 	[51] = FSCALE * 0.07808166600115315231,
252 	[52] = FSCALE * 0.07427357821433388042,
253 	[53] = FSCALE * 0.07065121306042958674,
254 	[54] = FSCALE * 0.06720551273974976512,
255 	[55] = FSCALE * 0.06392786120670757270,
256 	[56] = FSCALE * 0.06081006262521796499,
257 	[57] = FSCALE * 0.05784432087483846296,
258 	[58] = FSCALE * 0.05502322005640722902,
259 	[59] = FSCALE * 0.05233970594843239308,
260 	[60] = FSCALE * 0.04978706836786394297,
261 	[61] = FSCALE * 0.04735892439114092119,
262 	[62] = FSCALE * 0.04504920239355780606,
263 	[63] = FSCALE * 0.04285212686704017991,
264 	[64] = FSCALE * 0.04076220397836621516,
265 	[65] = FSCALE * 0.03877420783172200988,
266 	[66] = FSCALE * 0.03688316740124000544,
267 	[67] = FSCALE * 0.03508435410084502588,
268 	[68] = FSCALE * 0.03337326996032607948,
269 	[69] = FSCALE * 0.03174563637806794323,
270 	[70] = FSCALE * 0.03019738342231850073,
271 	[71] = FSCALE * 0.02872463965423942912,
272 	[72] = FSCALE * 0.02732372244729256080,
273 	[73] = FSCALE * 0.02599112877875534358,
274 	[74] = FSCALE * 0.02472352647033939120,
275 	[75] = FSCALE * 0.02351774585600910823,
276 	[76] = FSCALE * 0.02237077185616559577,
277 	[77] = FSCALE * 0.02127973643837716938,
278 	[78] = FSCALE * 0.02024191144580438847,
279 	[79] = FSCALE * 0.01925470177538692429,
280 	[80] = FSCALE * 0.01831563888873418029,
281 	[81] = FSCALE * 0.01742237463949351138,
282 	[82] = FSCALE * 0.01657267540176124754,
283 	[83] = FSCALE * 0.01576441648485449082,
284 	[84] = FSCALE * 0.01499557682047770621,
285 	[85] = FSCALE * 0.01426423390899925527,
286 	[86] = FSCALE * 0.01356855901220093175,
287 	[87] = FSCALE * 0.01290681258047986886,
288 	[88] = FSCALE * 0.01227733990306844117,
289 	[89] = FSCALE * 0.01167856697039544521,
290 	[90] = FSCALE * 0.01110899653824230649,
291 	[91] = FSCALE * 0.01056720438385265337,
292 	[92] = FSCALE * 0.01005183574463358164,
293 	[93] = FSCALE * 0.00956160193054350793,
294 	[94] = FSCALE * 0.00909527710169581709,
295 	[95] = FSCALE * 0.00865169520312063417,
296 	[96] = FSCALE * 0.00822974704902002884,
297 	[97] = FSCALE * 0.00782837754922577143,
298 	[98] = FSCALE * 0.00744658307092434051,
299 	[99] = FSCALE * 0.00708340892905212004,
300 	[100] = FSCALE * 0.00673794699908546709,
301 	[101] = FSCALE * 0.00640933344625638184,
302 	[102] = FSCALE * 0.00609674656551563610,
303 	[103] = FSCALE * 0.00579940472684214321,
304 	[104] = FSCALE * 0.00551656442076077241,
305 	[105] = FSCALE * 0.00524751839918138427,
306 	[106] = FSCALE * 0.00499159390691021621,
307 	[107] = FSCALE * 0.00474815099941147558,
308 	[108] = FSCALE * 0.00451658094261266798,
309 	[109] = FSCALE * 0.00429630469075234057,
310 	[110] = FSCALE * 0.00408677143846406699,
393 		    (FSCALE - ccpu_exp[swtime]));
396 	return ((100 * (uint64_t)p_pctcpu * 1000000) / FSCALE);
695 		decayed_amount = old_amount * RACCT_DECAY_FACTOR / FSCALE;
1187 	r_new = r_old * RACCT_DECAY_FACTOR / FSCALE;