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2026-05-31 - 20:22
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sun May 31, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253352225159,53sleep30-21swapper/307:05:593
255132200160,26sleep20-21swapper/207:08:192
256102198158,26sleep00-21swapper/007:09:340
254202198155,24sleep10-21swapper/107:07:051
227912650,0sleep10-21swapper/110:40:121
97232630,0sleep10-21swapper/111:50:091
33332190,0sleep10-21swapper/112:25:131
83442130,0sleep10-21swapper/110:20:131
25743991312,1cyclictest28-21ksoftirqd/208:40:132
25743991311,1cyclictest20839-21users10:35:222
25743991211,1cyclictest28-21ksoftirqd/207:30:002
2573099123,5cyclictest3457-21perf07:30:000
25730991210,1cyclictest9-21ksoftirqd/010:10:340
2573099121,5cyclictest10181-21perf12:35:000
2575099110,9cyclictest28902-21apt-get10:05:123
2574399119,1cyclictest28-21ksoftirqd/212:00:002
25743991110,1cyclictest28-21ksoftirqd/207:55:002
2573099119,1cyclictest9-21ksoftirqd/010:55:130
2573099119,1cyclictest9-21ksoftirqd/009:15:000
25730991110,1cyclictest9-21ksoftirqd/011:40:000
306212100,0sleep318989-21diskmemload12:17:313
2575099109,1cyclictest35-21ksoftirqd/310:05:003
2575099109,1cyclictest35-21ksoftirqd/309:25:123
2574399109,1cyclictest28-21ksoftirqd/211:00:132
2574399109,1cyclictest28-21ksoftirqd/210:05:002
2574399109,1cyclictest28-21ksoftirqd/208:05:002
2574399108,1cyclictest28-21ksoftirqd/209:10:002
2573099109,1cyclictest9-21ksoftirqd/012:20:130
2573099109,1cyclictest9-21ksoftirqd/012:00:000
2573099109,1cyclictest9-21ksoftirqd/011:10:000
2573099100,8cyclictest0-21swapper/007:35:120
257509997,1cyclictest35-21ksoftirqd/309:10:003
257509990,7cyclictest18989-21diskmemload09:18:233
257509990,5cyclictest18989-21diskmemload10:35:223
257509990,1cyclictest0-21swapper/310:24:333
257439998,1cyclictest28-21ksoftirqd/211:00:002
257439998,1cyclictest28-21ksoftirqd/208:35:112
257439997,1cyclictest28-21ksoftirqd/211:45:142
257439997,1cyclictest28-21ksoftirqd/208:30:012
257439997,1cyclictest28-21ksoftirqd/208:15:152
257439991,4cyclictest28-21ksoftirqd/211:34:092
257309999,0cyclictest9-21ksoftirqd/011:50:170
257309998,1cyclictest9-21ksoftirqd/012:40:000
257309998,1cyclictest9-21ksoftirqd/010:05:000
257309998,1cyclictest9-21ksoftirqd/009:45:130
257309998,1cyclictest9-21ksoftirqd/008:50:000
257309997,2cyclictest9-21ksoftirqd/012:10:120
257309992,6cyclictest28062-21munin-run07:15:000
257309992,1cyclictest8459-1kworker/u9:011:10:120
257309990,8cyclictest12136-21apt-get08:55:120
257309990,7cyclictest0-21swapper/011:25:110
257509987,1cyclictest35-21ksoftirqd/308:05:003
257509986,1cyclictest1029-21snmpd07:27:433
257509986,1cyclictest0-21swapper/312:27:053
257509985,1cyclictest13650irq/124-ahci[0012:39:553
257509981,6cyclictest1029-21snmpd08:36:353
257509981,4cyclictest9467-21nscd07:50:173
257509980,4cyclictest18989-21diskmemload10:10:123
257439988,0cyclictest28-21ksoftirqd/212:25:152
257439987,1cyclictest28-21ksoftirqd/212:10:132
257439987,1cyclictest28-21ksoftirqd/210:35:002
257439987,1cyclictest28-21ksoftirqd/209:35:142
257439986,1cyclictest28-21ksoftirqd/207:19:552
257439986,1cyclictest1029-21snmpd11:08:562
257439986,1cyclictest1029-21snmpd10:47:322
257309987,1cyclictest9-21ksoftirqd/011:50:000
257309987,1cyclictest9-21ksoftirqd/010:45:150
257309987,1cyclictest9-21ksoftirqd/010:07:020
257309987,1cyclictest9-21ksoftirqd/009:15:120
257309987,1cyclictest19807-21ssh09:51:090
257309986,1cyclictest9-21ksoftirqd/007:50:130
257309986,1cyclictest3560-21ssh12:25:140
257309986,1cyclictest1029-21snmpd09:01:160
257309986,1cyclictest1029-21snmpd08:33:330
257309986,1cyclictest1029-21snmpd08:27:270
257309986,1cyclictest1029-21snmpd08:21:300
257309981,6cyclictest5298-21ssh10:15:190
257309980,7cyclictest9967-21cut09:40:000
257309980,4cyclictest5793-21sed11:45:000
257309980,4cyclictest0-21swapper/012:00:090
257309980,4cyclictest0-21swapper/010:40:120
257309980,2cyclictest24855-21idleruntime-cro10:00:000
257509976,1cyclictest561-21nscd12:01:533
257509976,1cyclictest35-21ksoftirqd/311:25:003
257509976,1cyclictest35-21ksoftirqd/309:30:113
257509976,1cyclictest35-21ksoftirqd/308:00:003
257509976,1cyclictest1029-21snmpd12:06:133
257509976,1cyclictest1029-21snmpd09:39:563
257509976,1cyclictest1029-21snmpd08:10:083
257509975,1cyclictest1029-21snmpd10:40:463
257509975,1cyclictest1029-21snmpd09:20:343
257509975,1cyclictest1029-21snmpd08:58:493
257509975,1cyclictest1029-21snmpd08:45:093
257509975,1cyclictest1029-21snmpd07:47:233
257509975,1cyclictest1029-21snmpd07:34:523
257509975,1cyclictest1029-21snmpd07:34:523
257509971,4cyclictest0-21swapper/310:45:103
257509970,6cyclictest6265-21ssh10:16:203
257509970,6cyclictest16111-21fschecks_time10:30:143
257509970,4cyclictest0-21swapper/311:27:053
257509970,1cyclictest0-21swapper/307:35:123
257439977,0cyclictest28-21ksoftirqd/212:35:142
257439977,0cyclictest28-21ksoftirqd/209:55:192
257439976,1cyclictest61650irq/122-eno110:42:082
257439976,1cyclictest61650irq/122-eno109:40:212
257439976,1cyclictest61650irq/122-eno109:25:212
257439976,1cyclictest61650irq/122-eno109:18:322
257439976,1cyclictest28-21ksoftirqd/210:15:002
257439976,1cyclictest28-21ksoftirqd/210:05:142
257439976,1cyclictest28-21ksoftirqd/209:30:112
257439976,1cyclictest28-21ksoftirqd/208:00:002
257439976,1cyclictest28-21ksoftirqd/207:35:002
257439976,1cyclictest28-21ksoftirqd/207:35:002
257439976,0cyclictest61650irq/122-eno111:35:172
257439976,0cyclictest61650irq/122-eno111:20:152
257439976,0cyclictest28-21ksoftirqd/207:10:182
257439975,1cyclictest61650irq/122-eno112:20:122
257439975,1cyclictest61650irq/122-eno112:00:112
257439975,1cyclictest28-21ksoftirqd/210:20:142
257439975,1cyclictest28-21ksoftirqd/209:25:002
257439975,1cyclictest28-21ksoftirqd/208:10:132
257439974,2cyclictest29669-21kworker/2:012:15:142
257439974,2cyclictest18377-21cut09:50:132
257439974,1cyclictest548-21systemd-logind11:10:192
257439970,6cyclictest0-21swapper/208:45:392
257439970,5cyclictest0-21swapper/211:51:432
257439970,1cyclictest0-21swapper/212:32:572
257439970,0cyclictest0-21swapper/210:27:252
257439970,0cyclictest0-21swapper/207:35:142
257369971,6cyclictest0-21swapper/109:13:101
257369971,5cyclictest0-21swapper/108:40:001
257369970,6cyclictest0-21swapper/108:55:101
257369970,4cyclictest0-21swapper/110:30:061
257369970,4cyclictest0-21swapper/109:35:121
257369970,4cyclictest0-21swapper/109:22:471
257369970,3cyclictest0-21swapper/108:05:121
257369970,1cyclictest0-21swapper/112:10:461
257369970,1cyclictest0-21swapper/111:30:121
257369970,1cyclictest0-21swapper/108:42:421
257309977,0cyclictest9-21ksoftirqd/010:20:130
257309977,0cyclictest9-21ksoftirqd/009:20:120
257309976,1cyclictest9-21ksoftirqd/011:00:140
257309976,1cyclictest9-21ksoftirqd/009:40:150
257309976,1cyclictest32331-21ssh10:51:270
257309975,1cyclictest29262-21ntpq12:15:160
257309975,1cyclictest1029-21snmpd08:37:060
257309973,1cyclictest31010-21/usr/sbin/munin09:25:120
257309971,5cyclictest20113-21telnet11:20:100
257309971,2cyclictest5296-21ssh09:33:050
257309970,7cyclictest0-21swapper/007:55:210
257309970,6cyclictest27409-21munin-run08:20:000
257309970,6cyclictest22033-21ssh10:38:470
257309970,6cyclictest16668-21cstates11:15:120
257309970,6cyclictest0-21swapper/012:05:160
257309970,5cyclictest0-21swapper/007:30:110
257309970,5cyclictest0-21swapper/007:30:110
257309970,1cyclictest30729-21ssh11:34:510
257309970,1cyclictest18989-21diskmemload10:25:490
257309970,1cyclictest17208-21ssh10:30:270
257509966,0cyclictest18989-21diskmemload09:55:343
257509965,1cyclictest8662-21ssh11:04:533
257509965,1cyclictest8375-21ssh11:46:573
257509965,1cyclictest6029-21ntpq08:40:183
257509965,1cyclictest35-21ksoftirqd/307:41:343
257509965,1cyclictest26469-21ssh12:11:073
257509965,1cyclictest2397-21ssh12:24:003
257509965,1cyclictest19845-21ssh09:51:153
257509965,1cyclictest13127-21ssh09:43:483
257509965,1cyclictest11546-21sshd11:07:343
257509965,1cyclictest1029-21snmpd11:42:543
257509965,1cyclictest1029-21snmpd11:17:563
257509962,3cyclictest13722-21ssh11:55:133
257509960,3cyclictest6722-21/usr/sbin/munin12:30:143
257509960,2cyclictest0-21swapper/310:53:263
257509960,0cyclictest11604-21apt-get10:25:113
257439966,0cyclictest61650irq/122-eno112:05:062
257439966,0cyclictest61650irq/122-eno111:25:052
257439966,0cyclictest61650irq/122-eno111:17:252
257439966,0cyclictest61650irq/122-eno110:50:122
257439966,0cyclictest61650irq/122-eno109:10:172
257439966,0cyclictest61650irq/122-eno108:20:202
257439965,1cyclictest61650irq/122-eno108:30:192
257439965,1cyclictest28-21ksoftirqd/210:15:012
257439965,1cyclictest28-21ksoftirqd/208:50:142
257439965,1cyclictest28-21ksoftirqd/207:40:142
257439964,1cyclictest28-21ksoftirqd/208:05:142
257439964,1cyclictest28-21ksoftirqd/207:20:122
257439961,1cyclictest0-21swapper/209:45:192
257439960,6cyclictest0-21swapper/211:40:302
257369964,2cyclictest0-21swapper/107:10:191
257369962,2cyclictest0-21swapper/109:43:421
257369961,3cyclictest0-21swapper/109:46:301
257369960,6cyclictest0-21swapper/112:06:001
257369960,6cyclictest0-21swapper/111:59:241
257369960,6cyclictest0-21swapper/111:48:031
257369960,6cyclictest0-21swapper/110:49:041
257369960,6cyclictest0-21swapper/110:29:481
257369960,6cyclictest0-21swapper/110:17:261
257369960,6cyclictest0-21swapper/109:51:291
257369960,6cyclictest0-21swapper/109:33:531
257369960,6cyclictest0-21swapper/108:33:171
257369960,6cyclictest0-21swapper/108:25:151
257369960,6cyclictest0-21swapper/107:48:301
257369960,5cyclictest0-21swapper/112:35:141
257369960,5cyclictest0-21swapper/112:20:041
257369960,5cyclictest0-21swapper/112:19:311
257369960,5cyclictest0-21swapper/111:11:111
257369960,5cyclictest0-21swapper/110:55:111
257369960,5cyclictest0-21swapper/110:12:391
257369960,4cyclictest0-21swapper/111:20:581
257369960,4cyclictest0-21swapper/109:56:001
257369960,3cyclictest0-21swapper/111:40:101
257369960,2cyclictest0-21swapper/111:15:111
257369960,1cyclictest0-21swapper/110:35:121
257369960,1cyclictest0-21swapper/107:20:201
257309965,1cyclictest9-21ksoftirqd/007:15:010
257309964,1cyclictest1029-21snmpd07:40:580
257309964,1cyclictest0-21swapper/009:05:120
257309963,1cyclictest294-21systemd-udevd08:05:080
257309963,1cyclictest240-21systemd-journal08:44:570
257309962,1cyclictest240-21systemd-journal07:25:000
257309960,6cyclictest0-21swapper/008:52:540
257309960,6cyclictest0-21swapper/007:47:320
257309960,5cyclictest22911-21/usr/sbin/munin08:10:110
257509955,0cyclictest0-21swapper/308:50:143
257509954,1cyclictest22547-21ssh09:14:193
257509954,1cyclictest1029-21snmpd09:02:283
257509954,1cyclictest1029-21snmpd08:23:423
257509954,1cyclictest1029-21snmpd07:16:523
257509953,1cyclictest31087-21if_eno108:25:163
257509952,2cyclictest1982-21sendmail-mta11:11:033
257509952,1cyclictest548-21systemd-logind09:45:193
257509951,1cyclictest0-21swapper/311:35:133
257509950,5cyclictest0-21swapper/310:55:073
257509950,4cyclictest22693-21munin-run08:10:003
257509950,3cyclictest0-21swapper/308:35:003
257509950,1cyclictest0-21swapper/311:50:113
257509950,1cyclictest0-21swapper/311:30:193
257439954,0cyclictest61650irq/122-eno109:00:112
257439950,5cyclictest0-21swapper/207:45:142
257439950,1cyclictest0-21swapper/208:55:212
257369955,0cyclictest0-21swapper/109:00:141
257369953,1cyclictest172152sleep112:00:111
257369951,2cyclictest0-21swapper/111:00:181
257369950,5cyclictest0-21swapper/111:08:591
257369950,5cyclictest0-21swapper/110:05:301
257369950,5cyclictest0-21swapper/109:06:471
257369950,5cyclictest0-21swapper/108:49:391
257369950,5cyclictest0-21swapper/108:10:541
257369950,5cyclictest0-21swapper/107:37:191
257369950,4cyclictest0-21swapper/107:40:201
257369950,4cyclictest0-21swapper/107:30:111
257369950,4cyclictest0-21swapper/107:30:111
257369950,2cyclictest0-21swapper/110:54:581
257369950,1cyclictest0-21swapper/109:27:081
257369950,1cyclictest0-21swapper/109:16:181
257369950,0cyclictest0-21swapper/111:35:011
257369950,0cyclictest0-21swapper/111:27:241
257309954,1cyclictest9-21ksoftirqd/008:00:000
257509944,0cyclictest1029-21snmpd08:17:013
257509943,1cyclictest1029-21snmpd07:10:553
257509942,1cyclictest31495-21aten_r1power_vo07:20:113
257369943,1cyclictest202482sleep108:04:121
257369943,1cyclictest0-21swapper/108:20:191
257369941,1cyclictest0-21swapper/110:00:121
257369940,4cyclictest0-21swapper/107:58:231
257369940,4cyclictest0-21swapper/107:26:071
257369940,4cyclictest0-21swapper/107:15:161
257369940,2cyclictest0-21swapper/112:30:181
257369940,2cyclictest0-21swapper/108:15:131
257369940,2cyclictest0-21swapper/107:50:161
257369940,0cyclictest0-21swapper/108:50:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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