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2025-10-18 - 13:14
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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
Characteristics of the 100 highest latencies:
System rackcslot0.osadl.org (updated Sat Oct 18, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
683021740,6sleep41538799cyclictest23:13:4710
2493921450,1sleep40-21swapper/423:47:2910
2198521240,8sleep111539799cyclictest23:51:043
14884212392,26sleep20-21swapper/219:11:128
14745211786,27sleep50-21swapper/519:09:5511
14561211590,19sleep100-21swapper/1019:07:362
2090121130,1sleep130-21swapper/1322:32:285
14765211191,15sleep80-21swapper/819:10:1414
14658210993,12sleep120-21swapper/1219:08:424
83621080,2sleep30-21swapper/323:23:399
14633210891,13sleep140-21swapper/1419:08:286
14562210792,10sleep110-21swapper/1119:07:373
12779210791,8sleep40-21swapper/419:07:1410
2625021060,2sleep1226241-21ls21:12:294
769021040,2sleep157668-21sshd21:37:567
195321040,0sleep00-21swapper/022:45:050
195321040,0sleep00-21swapper/022:45:050
908321000,1sleep30-21swapper/300:25:109
343121000,1sleep150-21swapper/1521:51:517
2487321000,1sleep100-21swapper/1021:26:052
305612990,1sleep60-21swapper/623:59:0112
168002980,0sleep131201rcuc/1323:43:055
202342970,2sleep40-21swapper/419:56:5710
82862960,2sleep138283-21sshd00:21:365
97842940,2sleep558-21ksoftirqd/522:06:5611
55112940,1sleep100-21swapper/1023:13:372
124772940,1sleep00-21swapper/000:29:240
116362940,1sleep121068-21dbus-daemon23:42:324
69382920,6sleep125-21ksoftirqd/122:45:391
69382920,6sleep125-21ksoftirqd/122:45:391
118222920,0sleep50-21swapper/523:53:2311
4722910,0sleep110-21swapper/1123:34:293
253532910,4sleep151540299cyclictest23:37:147
302422890,1sleep40-21swapper/423:02:1710
268942890,1sleep130-21swapper/1300:05:335
243202890,1sleep60-21swapper/600:27:0612
170922890,1sleep150-21swapper/1522:53:387
170922890,1sleep150-21swapper/1522:53:387
36412880,1sleep23466-21sshd22:02:208
1475828872,12sleep10-21swapper/119:10:071
1467028875,9sleep70-21swapper/719:08:5313
213022870,0sleep20-21swapper/222:36:188
205112870,1sleep110-21swapper/1121:57:083
1477128768,14sleep130-21swapper/1319:10:195
1139099870,71rtkit-daemon0-21swapper/1519:11:557
282782860,1sleep70-21swapper/723:33:5313
153482860,0sleep130-21swapper/1321:56:385
1465228672,9sleep60-21swapper/619:08:3612
1456028672,4sleep90-21swapper/919:07:3515
97832850,1sleep80-21swapper/822:27:5014
1481828574,7sleep30-21swapper/319:10:579
123702850,1sleep412367-21rm21:21:1010
134652840,1sleep140-21swapper/1421:28:186
1477528375,4sleep00-21swapper/019:10:220
108722830,1sleep12114-21ksoftirqd/1200:03:404
186672820,0sleep140-21swapper/1422:57:226
186672820,0sleep140-21swapper/1422:57:226
7002810,0sleep110-21swapper/1122:27:053
266452800,0sleep130-21swapper/1300:34:425
236312780,0sleep30-21swapper/323:15:549
195622780,0sleep50-21swapper/500:26:3311
302812760,0sleep140-21swapper/1422:08:576
314392730,0sleep100-21swapper/1023:02:232
317582670,0sleep140-21swapper/1400:24:016
325762650,0sleep00-21swapper/000:20:190
285412640,0sleep10-21swapper/100:19:311
15384995534,19cyclictest0-21swapper/223:02:088
1139099540,24rtkit-daemon0-21swapper/1521:26:277
130002520,3sleep1513005-21run-parts00:11:447
106992500,1sleep80-21swapper/823:42:2814
267572490,2sleep1026761-2110-uname00:14:032
15396994814,22cyclictest32357-21sshd22:41:262
15396994814,22cyclictest32357-21sshd22:41:262
15387994712,27cyclictest0-21swapper/422:29:5710
1139099470,0rtkit-daemon0-21swapper/721:33:407
30382460,3sleep90-21swapper/900:02:4815
15387994614,28cyclictest19356-21sshd22:47:0010
15387994614,28cyclictest19356-21sshd22:47:0010
1139099460,0rtkit-daemon0-21swapper/722:05:457
1538799456,32cyclictest1-21systemd23:20:3910
1538799454,34cyclictest0-21swapper/423:38:3910
1538799454,34cyclictest0-21swapper/422:13:1410
15387994512,25cyclictest1-21systemd23:56:1410
15387994512,22cyclictest1068-21dbus-daemon00:10:2810
280592440,1sleep150-21swapper/1523:44:277
15396994414,24cyclictest1-21systemd22:34:232
1538799448,29cyclictest0-21swapper/423:34:4210
1538799444,34cyclictest0-21swapper/422:40:1710
1538799444,34cyclictest0-21swapper/422:40:1710
15387994424,15cyclictest1351-21nfsd00:28:0810
1538799442,29cyclictest0-21swapper/423:27:1210
15387994412,29cyclictest1068-21dbus-daemon00:15:5510
15387994411,27cyclictest0-21swapper/421:24:0110
15387994410,27cyclictest21177-21systemd-cgroups23:22:2110
1539699439,27cyclictest1073-21systemd-logind23:00:472
1539699439,27cyclictest1073-21systemd-logind23:00:472
15396994310,26cyclictest0-21swapper/1023:24:382
1538799439,27cyclictest0-21swapper/421:46:3110
1538799437,34cyclictest0-21swapper/421:35:5710
1538799435,31cyclictest0-21swapper/422:08:2710
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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