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2026-03-13 - 13:50
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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 792 highest latencies:
System rack2slot0.osadl.org (updated Fri Mar 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116182940,0sleep00-21swapper/012:30:370
274162920,0sleep11073-21nfsd11:48:091
288692910,0sleep20-21swapper/212:07:282
259882740,0sleep225989-21sshd12:29:112
150102560,0sleep30-21swapper/309:25:203
55622550,0sleep30-21swapper/312:24:433
259752550,0sleep10-21swapper/110:25:581
327512540,0sleep00-21swapper/012:24:160
8812530,0sleep00-21swapper/009:54:010
79572530,0sleep00-21swapper/011:21:480
321932530,0sleep30-21swapper/312:07:453
155872530,0sleep30-21swapper/310:55:083
274772520,0sleep10-21swapper/111:18:011
143282520,0sleep30-21swapper/309:19:563
56432510,0sleep30-21swapper/309:54:323
320402510,1sleep332043-21bash09:22:523
239332500,1sleep123928-21sshd11:53:211
149092500,0sleep00-21swapper/010:38:430
149092500,0sleep00-21swapper/010:38:430
185082490,0sleep20-21swapper/212:17:332
301712480,0sleep20-21swapper/212:10:172
300902470,0sleep20-21swapper/211:42:532
253162450,0sleep20-21swapper/210:23:152
175702410,0sleep10-21swapper/112:20:131
114932330,0sleep00-21swapper/010:52:000
38222309,7sleep30-21swapper/307:08:113
246702280,0sleep124671-21tty12:12:361
36072277,7sleep10-21swapper/107:05:251
371222210,7sleep20-21swapper/207:06:462
377422110,7sleep00-21swapper/007:07:320
53852200,0sleep10-21swapper/112:38:231
160642200,0sleep10-21swapper/110:05:511
267122190,0sleep30-21swapper/309:42:593
4084991817,0cyclictest1388-21lspci09:43:441
78822170,0sleep30-21swapper/310:43:343
236092170,0sleep00-21swapper/009:59:540
59592160,2sleep3409699cyclictest11:07:573
4084991615,0cyclictest26937-21kworker/1:211:58:491
319542160,1sleep131956-21sshd10:14:331
296282160,1sleep2311rcuc/211:12:412
206192160,0sleep00-21swapper/012:12:150
4084991513,1cyclictest8722-21kworker/1:011:34:231
149132150,1sleep21-21systemd12:33:442
59542140,0sleep11-21systemd10:43:241
4084991412,1cyclictest28985-21kworker/1:111:27:471
407899140,13cyclictest17588-21sshd12:17:300
303652140,0sleep3391rcuc/312:37:453
26442140,1sleep1241ktimersoftd/112:29:581
261622140,1sleep326164-21lspci11:26:043
257432140,0sleep00-21swapper/010:17:160
214212140,1sleep2311rcuc/209:26:312
206032140,1sleep020600-21lspci11:39:230
189962140,1sleep018995-21bash10:44:310
127422140,0sleep00-21swapper/009:30:300
104842140,0sleep30-21swapper/311:55:003
102712140,0sleep10-21swapper/111:08:201
4096991311,1cyclictest0-21swapper/311:56:423
4090991312,0cyclictest0-21swapper/209:55:252
409099130,1cyclictest29274-21grep09:53:352
409099130,12cyclictest7406-21bash10:59:552
4084991312,0cyclictest31870-21lspci12:07:441
4084991312,0cyclictest1939-21kworker/1:110:31:591
408499130,1cyclictest8036-21sshd09:58:111
408499130,1cyclictest18145-21sshd09:52:211
4078991311,1cyclictest32563-21sshd10:29:190
104602130,1sleep0101ktimersoftd/011:57:410
409699120,1cyclictest12428-21lspci12:17:023
409099120,11cyclictest0-21swapper/211:47:252
409099120,11cyclictest0-21swapper/210:05:352
4084991211,0cyclictest29860-21kworker/1:010:59:531
4084991210,1cyclictest5744-21lspci10:15:101
4084991210,1cyclictest0-21swapper/111:13:411
408499120,1cyclictest674-21dbus-daemon12:33:511
408499120,1cyclictest131rcu_sched12:02:411
408499120,1cyclictest0-21swapper/111:40:311
408499120,11cyclictest1-21systemd12:18:511
4078991210,1cyclictest0-21swapper/011:28:590
407899120,11cyclictest0-21swapper/011:44:390
409699119,1cyclictest75750irq/24-eno1-rx-12:13:523
409699119,1cyclictest1538-21sshd11:04:523
4096991110,0cyclictest0-21swapper/311:22:123
409699110,10cyclictest0-21swapper/310:46:123
409099119,1cyclictest21069-21id10:39:152
409099119,1cyclictest21069-21id10:39:152
409099119,1cyclictest0-21swapper/212:35:352
4090991110,0cyclictest0-21swapper/211:55:052
4090991110,0cyclictest0-21swapper/209:44:252
409099110,10cyclictest20575-21lspci11:17:252
409099110,0cyclictest0-21swapper/208:10:152
408499119,1cyclictest25-21ksoftirqd/111:36:331
408499119,1cyclictest19062-21kworker/1:209:10:311
408499119,1cyclictest1174-21systemd-cgroups11:24:011
408499119,1cyclictest0-21swapper/110:36:011
408499119,1cyclictest0-21swapper/110:36:011
408499110,10cyclictest0-21swapper/109:30:511
4078991110,0cyclictest0-21swapper/011:01:090
407899110,1cyclictest0-21swapper/011:12:190
409699109,0cyclictest0-21swapper/312:26:323
409699108,1cyclictest0-21swapper/310:50:023
409699107,2cyclictest660-21avahi-daemon10:04:433
409699100,9cyclictest0-21swapper/309:13:223
409699100,0cyclictest0-21swapper/312:30:523
409699100,0cyclictest0-21swapper/311:17:023
409099109,0cyclictest0-21swapper/212:20:352
409099109,0cyclictest0-21swapper/211:50:152
409099109,0cyclictest0-21swapper/211:22:352
409099109,0cyclictest0-21swapper/210:25:452
409099109,0cyclictest0-21swapper/209:36:252
409099108,1cyclictest30901-21lspci10:45:252
409099100,0cyclictest0-21swapper/211:36:452
409099100,0cyclictest0-21swapper/210:30:452
408499109,0cyclictest2380-21kworker/1:310:48:051
407899109,0cyclictest0-21swapper/012:09:100
407899109,0cyclictest0-21swapper/011:34:290
407899109,0cyclictest0-21swapper/010:33:090
407899108,1cyclictest8219-21systemd-cgroups11:05:190
407899108,1cyclictest0-21swapper/012:35:400
407899100,9cyclictest0-21swapper/008:39:590
407899100,0cyclictest0-21swapper/011:50:190
40969998,0cyclictest0-21swapper/310:27:423
40969998,0cyclictest0-21swapper/309:56:323
40969997,1cyclictest12919-21lspci11:44:123
40969996,2cyclictest30127-21sshd12:02:053
40969990,8cyclictest15484-21sshd10:35:593
40969990,8cyclictest15484-21sshd10:35:593
40909998,0cyclictest0-21swapper/210:14:152
40909998,0cyclictest0-21swapper/210:03:252
40909998,0cyclictest0-21swapper/209:11:552
40909998,0cyclictest0-21swapper/208:34:252
40909990,0cyclictest0-21swapper/208:21:252
40849999,0cyclictest1939-21kworker/1:110:51:031
40849998,0cyclictest0-21swapper/108:37:211
40849998,0cyclictest0-21swapper/107:20:211
40849997,1cyclictest30103-21lspci09:36:241
40849997,1cyclictest26070-21kworker/1:010:00:571
40849990,0cyclictest0-21swapper/108:12:211
40849990,0cyclictest0-21swapper/107:52:211
40789998,0cyclictest0-21swapper/012:27:000
40789998,0cyclictest0-21swapper/009:29:390
40789997,1cyclictest4631-21lspci09:47:290
40789997,1cyclictest12230-21sshd09:37:590
40789990,8cyclictest11893-21sshd10:12:210
22810290,0sleep11072-21nfsd09:15:371
40969987,0cyclictest0-21swapper/310:15:423
40969987,0cyclictest0-21swapper/308:25:223
40969987,0cyclictest0-21swapper/307:25:223
40969986,1cyclictest28990-21lspci09:36:163
40969986,1cyclictest17677-21lspci11:36:193
40969986,1cyclictest14486-21lspci11:33:223
40969985,2cyclictest660-21avahi-daemon11:48:553
40969985,2cyclictest660-21avahi-daemon10:22:343
40969985,2cyclictest660-21avahi-daemon10:07:433
40969980,7cyclictest8319-21sshd10:11:583
40909987,0cyclictest0-21swapper/211:30:052
40909987,0cyclictest0-21swapper/211:08:152
40909987,0cyclictest0-21swapper/209:09:252
40909986,1cyclictest22469-21sshd11:25:452
40909985,2cyclictest660-21avahi-daemon12:02:342
40909985,2cyclictest660-21avahi-daemon10:50:362
40909985,2cyclictest660-21avahi-daemon10:40:582
40909985,2cyclictest660-21avahi-daemon10:18:282
40849987,0cyclictest0-21swapper/108:49:211
40849986,1cyclictest660-21avahi-daemon11:00:121
40849984,1cyclictest699-21gdbus09:25:591
40849983,4cyclictest21191-21sshd10:20:111
40789987,0cyclictest0-21swapper/009:11:190
40789986,1cyclictest9-21ksoftirqd/010:57:320
40789986,1cyclictest30092-21lspci11:48:230
40789986,1cyclictest29016-21lspci12:01:590
40789985,2cyclictest674-21dbus-daemon11:17:150
40789985,2cyclictest674-21dbus-daemon09:16:320
40789985,2cyclictest660-21avahi-daemon10:46:110
40789985,2cyclictest660-21avahi-daemon10:23:080
40789985,2cyclictest660-21avahi-daemon10:04:170
23583280,0sleep20-21swapper/211:01:122
40969975,1cyclictest660-21avahi-daemon09:46:043
40969974,2cyclictest660-21avahi-daemon11:10:543
40969974,2cyclictest660-21avahi-daemon10:31:403
40969974,2cyclictest660-21avahi-daemon09:30:453
40909976,1cyclictest26722-21lspci09:21:552
40909976,0cyclictest0-21swapper/209:19:052
40909975,1cyclictest660-21avahi-daemon09:31:472
40909974,2cyclictest24871-21sshd09:46:102
40849976,0cyclictest0-21swapper/109:20:011
40849976,0cyclictest0-21swapper/108:00:111
40849975,1cyclictest25-21ksoftirqd/109:45:231
40849970,1cyclictest12720-21munin-run07:30:011
40789976,0cyclictest0-21swapper/009:40:090
40789976,0cyclictest0-21swapper/008:20:090
40789975,1cyclictest660-21avahi-daemon10:05:460
40789974,2cyclictest660-21avahi-daemon09:21:310
40789970,6cyclictest0-21swapper/008:45:290
40969964,1cyclictest660-21avahi-daemon08:00:003
40969963,2cyclictest1002-21snmpd09:04:333
40969963,2cyclictest1002-21snmpd08:21:533
40969963,2cyclictest1002-21snmpd08:15:413
40969963,2cyclictest1002-21snmpd07:35:063
40969963,2cyclictest1002-21snmpd07:30:513
40969963,2cyclictest1002-21snmpd07:19:393
40909965,0cyclictest0-21swapper/208:45:252
40909965,0cyclictest0-21swapper/207:59:252
40909964,1cyclictest674-21dbus-daemon07:15:002
40909964,1cyclictest649-21polkitd09:00:002
40909963,2cyclictest1002-21snmpd08:42:592
40909963,2cyclictest1002-21snmpd08:29:352
40849965,0cyclictest0-21swapper/108:25:311
40849963,2cyclictest674-21dbus-daemon08:35:001
40849963,2cyclictest1002-21snmpd07:56:101
40849960,5cyclictest0-21swapper/108:55:511
40849960,5cyclictest0-21swapper/107:39:311
40789966,0cyclictest31038-21kworker/0:008:34:220
40789965,0cyclictest0-21swapper/007:54:490
40789965,0cyclictest0-21swapper/007:26:390
40789964,1cyclictest660-21avahi-daemon07:35:000
40789963,2cyclictest1002-21snmpd07:31:150
40789963,2cyclictest1002-21snmpd07:17:510
40789960,5cyclictest0-21swapper/008:19:290
40789960,5cyclictest0-21swapper/007:22:490
40969953,1cyclictest15681-21cat08:55:133
40969953,1cyclictest1082-21lldpd08:42:013
40969953,1cyclictest1002-21snmpd08:45:453
40969953,1cyclictest1002-21snmpd08:31:023
40969953,1cyclictest1002-21snmpd08:13:133
40969953,1cyclictest1002-21snmpd08:07:433
40969953,1cyclictest1002-21snmpd07:21:393
40969952,2cyclictest19200-21tr07:45:113
40969952,2cyclictest1002-21snmpd09:07:063
40969952,2cyclictest1002-21snmpd08:35:473
40969952,2cyclictest1002-21snmpd07:51:493
40909954,0cyclictest0-21swapper/209:00:052
40909953,1cyclictest642-21systemd-logind07:40:002
40909953,1cyclictest31761-21mii-tool08:15:132
40909953,1cyclictest21588-21cat07:50:122
40909953,1cyclictest1002-21snmpd08:50:512
40909953,1cyclictest1002-21snmpd08:38:532
40909953,1cyclictest1002-21snmpd08:05:072
40909953,1cyclictest1002-21snmpd08:00:042
40909953,1cyclictest1002-21snmpd07:35:182
40909953,1cyclictest1002-21snmpd07:32:032
40909953,1cyclictest1002-21snmpd07:26:272
40909953,1cyclictest1002-21snmpd07:24:242
40909953,1cyclictest1002-21snmpd07:10:352
40909952,2cyclictest21068-21cat07:50:002
40849954,0cyclictest0-21swapper/109:07:311
40849954,0cyclictest0-21swapper/107:31:311
40849953,1cyclictest28055-21ntpq08:05:141
40849953,1cyclictest17719-21cat09:00:131
40849953,1cyclictest1705-21sendmail07:18:261
40849953,1cyclictest1002-21snmpd08:52:181
40849953,1cyclictest1002-21snmpd08:40:171
40849953,1cyclictest1002-21snmpd08:20:141
40849953,1cyclictest1002-21snmpd07:40:091
40789953,1cyclictest9575-21cat08:40:120
40789953,1cyclictest5080-21cut07:10:140
40789953,1cyclictest19410-21tr09:05:100
40789953,1cyclictest17949-21cat09:00:150
40789953,1cyclictest1002-21snmpd08:26:350
40789953,1cyclictest1002-21snmpd08:10:040
40789953,1cyclictest1002-21snmpd08:00:520
40789953,1cyclictest1002-21snmpd07:55:580
40789952,2cyclictest14604-21sshd08:50:210
40789950,0cyclictest0-21swapper/008:58:490
40789950,0cyclictest0-21swapper/008:07:190
40969942,1cyclictest4654-21hwlatdetect07:10:123
40969942,1cyclictest25372-21expr08:00:103
40969942,1cyclictest17517-21cat07:40:143
40969942,1cyclictest13430-21cat08:50:123
40849943,0cyclictest1596-21kworker/1:007:10:111
40849942,1cyclictest674-21dbus-daemon08:15:001
40849942,1cyclictest1002-21snmpd07:45:061
40789944,0cyclictest18848-21kworker/0:107:45:020
40789944,0cyclictest14975-21kworker/0:007:40:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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