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2026-05-24 - 01:31
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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 highest latencies:
System rack1slot1.osadl.org (updated Sun May 24, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55812209157,26sleep30-21swapper/319:09:323
52932209156,26sleep00-21swapper/019:05:470
52792208153,21sleep10-21swapper/119:05:361
53542201161,26sleep20-21swapper/219:06:352
119952680,0sleep00-21swapper/022:52:400
123062670,0sleep10-21swapper/122:53:331
571399150,14cyclictest12351-21expr20:30:132
571399150,0cyclictest0-21swapper/221:45:302
72932140,0sleep10-21swapper/122:02:551
571399140,13cyclictest8048-21ssh22:05:002
571399140,13cyclictest27976-21ssh23:15:122
571399140,13cyclictest0-21swapper/223:05:142
571399140,13cyclictest0-21swapper/222:25:212
571399140,13cyclictest0-21swapper/219:10:132
571399140,1cyclictest2286-21systemctl21:55:192
571399140,0cyclictest0-21swapper/221:50:132
5696991412,1cyclictest9-21ksoftirqd/021:59:590
571399130,13cyclictest0-21swapper/222:10:162
571399130,12cyclictest0-21swapper/223:30:182
571399130,12cyclictest0-21swapper/222:05:072
571399130,0cyclictest30766-21diskmemload00:35:142
571399130,0cyclictest0-21swapper/223:37:292
569699133,5cyclictest8075-21latency_hist19:14:590
5696991312,1cyclictest9-21ksoftirqd/021:09:590
271692130,0sleep10-21swapper/121:00:151
571399122,9cyclictest0-21swapper/221:27:482
5713991210,1cyclictest28-21ksoftirqd/219:35:002
571399120,12cyclictest0-21swapper/223:55:002
571399120,11cyclictest30766-21diskmemload22:40:112
571399120,11cyclictest19927-21expr22:20:152
571399120,11cyclictest0-21swapper/223:40:552
571399120,11cyclictest0-21swapper/223:00:162
571399120,11cyclictest0-21swapper/200:28:412
571399120,1cyclictest30766-21diskmemload22:15:122
571399120,0cyclictest30766-21diskmemload22:45:232
571399120,0cyclictest0-21swapper/223:20:152
571399120,0cyclictest0-21swapper/223:20:142
571399120,0cyclictest0-21swapper/221:17:292
571399120,0cyclictest0-21swapper/200:20:172
571399116,5cyclictest61650irq/122-eno121:38:242
571399111,9cyclictest9044-21telnet19:15:122
571399111,9cyclictest30766-21diskmemload00:00:162
571399110,8cyclictest22050-21aten_r1power_fr21:40:122
571399110,10cyclictest31815-21ntp_states22:35:182
571399110,10cyclictest23364-21users23:50:222
571399110,10cyclictest0-21swapper/223:46:042
571399110,10cyclictest0-21swapper/222:30:452
571399110,10cyclictest0-21swapper/221:23:042
571399110,10cyclictest0-21swapper/200:10:262
571399110,1cyclictest0-21swapper/220:50:172
571399110,1cyclictest0-21swapper/219:35:162
571399110,1cyclictest0-21swapper/200:34:242
571399110,0cyclictest0-21swapper/223:12:422
571399110,0cyclictest0-21swapper/222:51:342
571399110,0cyclictest0-21swapper/221:11:232
571399110,0cyclictest0-21swapper/220:55:112
571399110,0cyclictest0-21swapper/200:15:052
571399110,0cyclictest0-21swapper/200:05:072
569699113,4cyclictest27737-21cut23:15:010
569699113,4cyclictest21174-21cat20:50:010
5696991110,0cyclictest101rcuc/000:00:010
572199108,1cyclictest35-21ksoftirqd/320:00:003
572199100,8cyclictest8078-21munin-node19:45:553
571399102,7cyclictest8013-21cut20:20:152
571399100,9cyclictest0-21swapper/220:05:112
571399100,10cyclictest0-21swapper/223:25:302
571399100,10cyclictest0-21swapper/222:56:122
571399100,0cyclictest0-21swapper/221:34:042
570699100,0cyclictest0-21swapper/120:37:581
569699109,1cyclictest9-21ksoftirqd/022:40:130
569699109,1cyclictest9-21ksoftirqd/021:50:010
569699108,1cyclictest9-21ksoftirqd/023:45:000
569699108,1cyclictest9-21ksoftirqd/022:40:000
569699108,1cyclictest9-21ksoftirqd/020:24:590
569699102,4cyclictest18857-21latency_hist20:45:000
57139992,6cyclictest20781-21aten_r1power_cu19:40:122
57139990,8cyclictest4837-21/usr/sbin/munin20:15:202
57139990,8cyclictest0-21swapper/219:20:132
57139990,7cyclictest240-21systemd-journal21:09:592
57139990,0cyclictest0-21swapper/219:55:002
57139990,0cyclictest0-21swapper/219:55:002
57139990,0cyclictest0-21swapper/219:45:192
56969998,1cyclictest9-21ksoftirqd/021:50:000
56969997,1cyclictest9-21ksoftirqd/021:20:010
56969997,1cyclictest9-21ksoftirqd/000:30:000
56969990,5cyclictest6748-21apt-get23:30:130
56969990,3cyclictest240-21systemd-journal21:21:500
56969990,1cyclictest240-21systemd-journal22:03:360
57219987,1cyclictest35-21ksoftirqd/322:13:313
57219986,1cyclictest35-21ksoftirqd/300:00:003
57219986,1cyclictest10169-21dump-pmu-power21:25:013
57219984,2cyclictest30766-21diskmemload00:38:523
57219982,4cyclictest13810-21sshd20:32:053
57139984,4cyclictest20411-21sensors20:45:202
57139980,7cyclictest0-21swapper/219:25:112
57139980,6cyclictest240-21systemd-journal21:00:002
57139980,5cyclictest240-21systemd-journal20:00:002
57069983,3cyclictest0-21swapper/123:59:481
56969988,0cyclictest9-21ksoftirqd/020:35:140
56969987,1cyclictest9-21ksoftirqd/022:30:010
56969987,1cyclictest9-21ksoftirqd/019:20:000
56969987,1cyclictest9-21ksoftirqd/000:34:590
56969986,1cyclictest9-21ksoftirqd/023:50:140
56969986,1cyclictest9-21ksoftirqd/021:05:000
56969986,1cyclictest9-21ksoftirqd/020:30:000
56969986,1cyclictest9-21ksoftirqd/020:00:000
56969986,1cyclictest30351-21cat00:00:150
56969984,4cyclictest2903-1kworker/u9:100:06:300
56969984,1cyclictest0-21swapper/019:25:170
56969982,6cyclictest8078-21munin-node21:14:040
56969981,6cyclictest16179-1kworker/u9:222:59:250
56969980,5cyclictest32122-21runrttasks20:02:390
56969980,1cyclictest240-21systemd-journal23:46:250
3855280,0sleep335-21ksoftirqd/300:09:143
12766280,0sleep00-21swapper/023:36:550
8869270,1sleep38873-21gltestperf19:15:003
57219977,0cyclictest35-21ksoftirqd/320:11:273
57219977,0cyclictest35-21ksoftirqd/300:02:103
57219976,1cyclictest35-21ksoftirqd/321:54:043
57219976,1cyclictest35-21ksoftirqd/300:25:003
57219971,3cyclictest21367-21apt-get20:50:123
57219971,3cyclictest0-21swapper/323:25:113
57219971,3cyclictest0-21swapper/321:25:013
57219970,5cyclictest8078-21munin-node20:41:583
57219970,4cyclictest0-21swapper/322:21:243
57219970,3cyclictest0-21swapper/323:36:343
57139970,6cyclictest9579-21apt-get20:25:112
57139970,6cyclictest2482-21apt20:10:102
57139970,6cyclictest16674-21basename20:40:102
57139970,6cyclictest14430-21cut20:35:112
57139970,2cyclictest0-21swapper/220:00:132
57069972,3cyclictest0-21swapper/123:29:091
57069971,3cyclictest0-21swapper/123:34:311
57069970,7cyclictest0-21swapper/123:12:451
57069970,6cyclictest0-21swapper/119:40:161
57069970,5cyclictest0-21swapper/119:20:101
57069970,2cyclictest0-21swapper/123:20:111
57069970,2cyclictest0-21swapper/123:20:111
57069970,1cyclictest0-21swapper/121:20:021
56969976,1cyclictest8399-1kworker/u9:021:29:180
56969976,1cyclictest15700-21ssh22:15:030
56969975,1cyclictest9-21ksoftirqd/023:17:160
56969975,1cyclictest8685-21diskstats00:15:150
56969975,1cyclictest18891-21ssh23:01:060
56969973,1cyclictest11904-21/usr/sbin/munin00:20:170
56969970,6cyclictest5677-21ssh23:27:520
56969970,6cyclictest27570-1kworker/u9:200:10:130
56969970,6cyclictest23857-21ssh00:35:170
56969970,6cyclictest0-21swapper/022:06:240
56969970,5cyclictest0-21swapper/023:05:550
56969970,2cyclictest0-21swapper/020:55:100
56969970,1cyclictest32740-21ssh23:20:160
56969970,1cyclictest32740-21ssh23:20:150
56969970,1cyclictest30766-21diskmemload22:20:280
56969970,1cyclictest240-21systemd-journal19:50:000
56969970,1cyclictest16461-21ssh21:31:010
56969970,1cyclictest0-21swapper/022:10:130
56969970,1cyclictest0-21swapper/020:10:100
56969970,0cyclictest0-21swapper/022:30:110
57219965,1cyclictest693-21runrttasks22:55:153
57219965,1cyclictest4375-21ssh00:10:033
57219965,1cyclictest3853-21ssh22:40:403
57219965,1cyclictest29087-21ssh22:31:293
57219965,1cyclictest27366-21ssh23:14:053
57219965,1cyclictest25986-21ssh22:28:153
57219965,1cyclictest23809-21ssh23:51:353
57219965,1cyclictest23446-21ssh23:08:313
57219965,1cyclictest21875-21ssh00:32:363
57219965,1cyclictest18649-21ssh23:00:263
57219965,1cyclictest16945-21ntpq22:15:183
57219965,1cyclictest16710-21ssh23:42:323
57219965,1cyclictest10759-21ssh22:07:123
57219964,1cyclictest7934-21ssh22:46:373
57219964,1cyclictest30766-21diskmemload23:18:003
57219963,1cyclictest4608-21/usr/sbin/munin22:00:133
57219963,1cyclictest240-21systemd-journal21:05:363
57219962,3cyclictest30766-21diskmemload23:22:103
57219962,3cyclictest30766-21diskmemload23:22:103
57219962,3cyclictest23719-21apt-get20:55:103
57219962,2cyclictest30766-21diskmemload00:25:373
57219961,4cyclictest16036-21apt-get19:30:113
57219961,3cyclictest30766-21diskmemload21:30:323
57219961,3cyclictest23164-21ntp_states21:40:173
57219961,2cyclictest0-21swapper/323:30:293
57219961,2cyclictest0-21swapper/300:18:063
57219960,6cyclictest0-21swapper/321:48:093
57219960,3cyclictest0-21swapper/321:18:333
57219960,2cyclictest0-21swapper/322:35:283
57219960,1cyclictest240-21systemd-journal19:54:553
57219960,1cyclictest240-21systemd-journal19:54:553
57219960,1cyclictest240-21systemd-journal19:29:563
57069966,0cyclictest0-21swapper/122:08:401
57069966,0cyclictest0-21swapper/121:36:501
57069966,0cyclictest0-21swapper/100:13:481
57069961,3cyclictest0-21swapper/123:37:451
57069961,2cyclictest0-21swapper/119:14:591
57069960,6cyclictest0-21swapper/123:45:361
57069960,5cyclictest0-21swapper/122:15:171
57069960,4cyclictest0-21swapper/100:26:031
57069960,3cyclictest0-21swapper/121:50:111
57069960,1cyclictest0-21swapper/122:41:121
56969965,1cyclictest5997-21ntpq20:15:200
56969965,1cyclictest18240-21ssh21:35:100
56969965,1cyclictest17990-21sshd19:33:050
56969965,1cyclictest16410-1kworker/u9:221:40:050
56969963,1cyclictest240-21systemd-journal19:37:180
56969960,6cyclictest0-21swapper/022:48:460
56969960,6cyclictest0-21swapper/020:06:190
56969960,6cyclictest0-21swapper/019:51:080
56969960,6cyclictest0-21swapper/019:51:070
56969960,4cyclictest0-21swapper/019:20:150
57219954,1cyclictest35-21ksoftirqd/320:45:053
57219954,1cyclictest35-21ksoftirqd/320:03:053
57219954,1cyclictest2049-21ntpq21:55:183
57219954,1cyclictest19679-21ssh23:45:243
57219954,1cyclictest19265-21cat19:35:153
57219954,1cyclictest15682-21sensors20:35:193
57219953,0cyclictest30766-21diskmemload21:35:053
57219951,2cyclictest8033-21idleruntime-cro19:15:003
57219950,5cyclictest0-21swapper/319:42:083
57219950,3cyclictest0-21swapper/322:50:203
57219950,2cyclictest0-21swapper/321:10:113
57219950,2cyclictest0-21swapper/320:05:173
57219950,1cyclictest240-21systemd-journal19:22:323
57069955,0cyclictest0-21swapper/123:07:111
57069955,0cyclictest0-21swapper/122:30:281
57069955,0cyclictest0-21swapper/121:40:121
57069955,0cyclictest0-21swapper/121:30:081
57069955,0cyclictest0-21swapper/120:59:511
57069954,1cyclictest0-21swapper/100:05:011
57069951,3cyclictest0-21swapper/122:56:541
57069951,1cyclictest0-21swapper/121:27:471
57069950,5cyclictest0-21swapper/123:17:211
57069950,5cyclictest0-21swapper/120:29:251
57069950,5cyclictest0-21swapper/120:19:391
57069950,5cyclictest0-21swapper/119:37:151
57069950,5cyclictest0-21swapper/119:33:271
57069950,4cyclictest0-21swapper/100:36:581
57069950,3cyclictest0-21swapper/122:28:171
57069950,3cyclictest0-21swapper/121:48:381
57069950,3cyclictest0-21swapper/120:50:111
57069950,2cyclictest0-21swapper/123:01:561
57069950,2cyclictest0-21swapper/122:49:381
57069950,2cyclictest0-21swapper/122:20:151
57069950,2cyclictest0-21swapper/121:10:111
57069950,2cyclictest0-21swapper/100:32:431
57069950,0cyclictest0-21swapper/122:14:451
57069950,0cyclictest0-21swapper/100:21:551
57069950,0cyclictest0-21swapper/100:05:121
56969953,1cyclictest12173-21cut20:30:130
56969950,5cyclictest0-21swapper/020:50:140
56969950,0cyclictest0-21swapper/019:43:040
10381250,0sleep10-21swapper/100:16:381
57219943,1cyclictest9719-21aten_r1power_vo20:25:123
57219943,1cyclictest5932-21strings20:15:183
57219942,1cyclictest26657-21tune2fs21:00:123
57219941,1cyclictest7321-21taskset20:20:143
57069942,1cyclictest20762-21chrt20:45:251
57069942,1cyclictest0-21swapper/119:25:121
57069941,2cyclictest0-21swapper/123:50:161
57069941,2cyclictest0-21swapper/119:45:131
57069941,2cyclictest0-21swapper/119:15:141
57069940,4cyclictest0-21swapper/120:45:001
57069940,2cyclictest0-21swapper/121:55:161
57069940,2cyclictest0-21swapper/121:15:181
57069940,2cyclictest0-21swapper/121:05:131
57069940,1cyclictest0-21swapper/123:40:051
57069940,1cyclictest0-21swapper/119:55:151
57069940,0cyclictest0-21swapper/122:35:191
57069932,1cyclictest0-21swapper/120:05:111
57069931,1cyclictest0-21swapper/120:20:201
57069931,1cyclictest0-21swapper/120:10:111
57069931,1cyclictest0-21swapper/120:00:111
57069930,2cyclictest0-21swapper/119:50:121
57069930,2cyclictest0-21swapper/119:50:121
57069930,1cyclictest0-21swapper/120:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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