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2024-11-23 - 11:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Sat Nov 23, 2024 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1736721800,0sleep60-21swapper/623:23:376
1180121750,4sleep22177799cyclictest00:06:532
3198621670,3sleep72180999cyclictest23:45:177
3255621640,2sleep72180999cyclictest21:51:287
3039521640,3sleep42178899cyclictest00:26:034
2569021570,3sleep42178899cyclictest22:07:274
2254621500,3sleep42178899cyclictest22:00:234
1008721470,1sleep02176599cyclictest23:29:470
658121300,0sleep40-21swapper/423:19:104
2212021270,0sleep00-21swapper/023:34:200
1713121270,0sleep00-21swapper/023:06:470
1557121220,0sleep30-21swapper/323:30:153
846821160,0sleep00-21swapper/023:19:220
1025421140,4sleep42178899cyclictest21:29:214
2092421130,0sleep00-21swapper/021:50:160
174821080,0sleep60-21swapper/621:55:036
170821080,0sleep0121rcuc/000:30:000
310321050,1sleep30-21swapper/322:08:303
3061421050,1sleep20-21swapper/223:25:002
2852421050,0sleep60-21swapper/623:58:396
1847421040,0sleep00-21swapper/022:13:240
1420721030,0sleep00-21swapper/021:33:010
1420721030,0sleep00-21swapper/021:33:010
1400721030,1sleep40-21swapper/422:12:564
2647921010,0sleep50-21swapper/500:12:015
575921000,0sleep00-21swapper/023:42:390
201212990,1sleep6671rcuc/622:30:146
285932970,0sleep20-21swapper/223:08:022
292192960,1sleep72180999cyclictest21:34:367
292192960,1sleep72180999cyclictest21:34:367
176072960,0sleep4491rcuc/421:20:074
126042950,0sleep60-21swapper/619:55:156
33502940,3sleep02176599cyclictest21:48:320
255742940,0sleep40-21swapper/422:24:104
166612940,1sleep416666-21latency_hist22:50:004
264142930,3sleep52179499cyclictest20:25:125
264142930,3sleep52179499cyclictest20:25:115
81432900,0sleep00-21swapper/022:15:330
246792890,0sleep10-21swapper/100:05:001
178252880,0sleep00-21swapper/000:07:380
163162880,0sleep30-21swapper/322:36:283
105042860,3sleep02176599cyclictest00:13:490
42252850,0sleep30-21swapper/322:21:543
167252850,0sleep20-21swapper/221:16:352
175742820,4sleep32178299cyclictest00:00:443
106362820,0sleep00-21swapper/000:37:360
53332810,0sleep32178299cyclictest21:42:013
188502810,4sleep52179499cyclictest23:03:315
173382810,1sleep02176599cyclictest21:56:330
262002790,4sleep02176599cyclictest22:20:460
325742780,0sleep50-21swapper/522:18:105
71182760,0sleep40-21swapper/421:15:334
226382750,0sleep20-21swapper/221:20:282
30562740,0sleep60-21swapper/600:16:196
293252740,0sleep12177199cyclictest00:09:001
70942700,0sleep40-21swapper/421:35:304
70942700,0sleep40-21swapper/421:35:294
21852680,0sleep40-21swapper/422:41:424
50342660,0sleep10-21swapper/121:58:431
2149425847,7sleep30-21swapper/319:09:143
87172560,1sleep41037-21runrttasks22:15:374
89412530,0sleep70-21swapper/722:32:237
2137625342,7sleep60-21swapper/619:07:496
2145725231,6sleep40-21swapper/419:08:514
2137925242,6sleep00-21swapper/019:07:510
162612520,0sleep22177799cyclictest22:49:572
62112490,0sleep60-21swapper/621:38:526
62112490,0sleep60-21swapper/621:38:526
2135924938,7sleep70-21swapper/719:07:347
43912480,0sleep02176599cyclictest22:05:160
2133824838,6sleep50-21swapper/519:07:165
2138924736,7sleep10-21swapper/119:08:001
88792450,1sleep7687-21polkitd23:22:417
199862450,1sleep52179499cyclictest23:20:235
175742440,0sleep50-21swapper/523:50:285
75532430,0sleep70-21swapper/721:35:337
75532430,0sleep70-21swapper/721:35:327
148762420,0sleep30-21swapper/322:03:013
2150224130,7sleep20-21swapper/219:09:212
100882410,0sleep30-21swapper/321:29:193
91382400,1sleep5591ktimersoftd/500:03:205
281352400,0sleep70-21swapper/700:01:537
242402400,0sleep1231ktimersoftd/121:30:381
242402400,0sleep1231ktimersoftd/121:30:381
195782390,0sleep10-21swapper/123:44:081
284732380,0sleep50-21swapper/522:41:035
214482380,0sleep20-21swapper/221:50:182
117672380,2sleep52179499cyclictest00:30:525
108512380,1sleep22177799cyclictest00:13:502
173242370,0sleep40-21swapper/400:38:214
311712360,0sleep40-21swapper/423:55:174
131192330,3sleep62179999cyclictest23:19:516
165382320,0sleep20-21swapper/221:10:032
73442240,0sleep50-21swapper/500:06:235
168252240,1sleep20-21swapper/223:37:022
317702230,2sleep20-21swapper/222:34:502
271762220,1sleep00-21swapper/022:47:390
2177799222,19cyclictest0-21swapper/222:07:312
2177799220,21cyclictest0-21swapper/223:27:542
2177799210,20cyclictest0-21swapper/222:10:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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