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2026-05-19 - 23:30
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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 Tue May 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223842940,0sleep022346-21sshd12:19:050
164402740,0sleep00-21swapper/011:49:480
28912720,0sleep20-21swapper/211:25:562
82952560,0sleep10-21swapper/110:19:371
277982540,0sleep10-21swapper/109:22:391
21672540,1sleep21073-21nfsd12:08:292
185092530,0sleep00-21swapper/011:18:570
305792520,0sleep10-21swapper/110:52:061
236572520,1sleep323652-21bash09:14:193
92912510,1sleep19290-21sshd11:32:071
73772510,0sleep10-21swapper/112:32:311
319312510,0sleep00-21swapper/010:52:140
205782510,0sleep20-21swapper/210:42:582
156182510,1sleep315616-21lspci09:46:513
105902510,0sleep00-21swapper/012:23:530
77162500,0sleep20-21swapper/211:37:382
315512500,0sleep20-21swapper/212:02:282
142282500,0sleep20-21swapper/210:39:422
101012500,0sleep30-21swapper/309:54:443
327152490,0sleep10-21swapper/112:37:491
166752490,0sleep3391rcuc/309:29:133
252552460,2sleep0200499cyclictest11:36:190
197652460,0sleep30-21swapper/310:23:253
69112400,1sleep06908-21sshd10:08:190
261382400,0sleep2321ktimersoftd/211:08:252
151942390,0sleep30-21swapper/309:44:083
160323721,6sleep00-21swapper/007:06:390
92923516,14sleep10-21swapper/107:05:161
18332308,7sleep30-21swapper/307:09:153
16292298,7sleep20-21swapper/207:06:572
84422210,0sleep38436-21sshd11:15:153
84892190,1sleep1231rcuc/109:51:461
96382180,1sleep39636-21lspci09:16:283
10082180,0sleep10-21swapper/111:11:481
97232170,1sleep029977-21packagekitd10:14:090
324422170,1sleep332445-21bash09:34:343
233112160,0sleep10-21swapper/112:13:181
102172160,0sleep10-21swapper/110:44:531
74862150,0sleep20-21swapper/209:20:102
210612150,0sleep2311rcuc/211:50:122
208352150,0sleep320841-21bash12:04:253
183492150,1sleep2311rcuc/212:39:302
131792150,0sleep00-21swapper/012:30:060
95022140,1sleep09503-21bash11:23:450
24272140,0sleep0111rcuc/010:44:120
20372140,0sleep30-21swapper/311:57:013
20372140,0sleep30-21swapper/311:57:003
94902130,0sleep20-21swapper/209:16:272
76002130,0sleep10-21swapper/111:54:431
54632130,0sleep00-21swapper/009:23:540
309852130,0sleep10-21swapper/111:06:001
230002130,0sleep10-21swapper/111:55:581
230002130,0sleep10-21swapper/111:55:581
2021991311,1cyclictest649-21polkitd12:09:023
202199130,12cyclictest0-21swapper/312:19:423
195272130,0sleep00-21swapper/009:33:270
2021991211,0cyclictest29409-21sshd12:31:323
202199120,1cyclictest28074-21sshd09:59:033
202199120,11cyclictest0-21swapper/311:06:523
201599120,11cyclictest623-17sedispatch10:28:032
2009991210,1cyclictest7333-21bash12:23:341
200999120,1cyclictest1073-21nfsd12:06:341
200499120,1cyclictest28836-21lspci12:28:350
200499120,11cyclictest674-21dbus-daemon11:14:140
202199119,1cyclictest12785-21lspci09:35:323
202199119,1cyclictest1-21systemd11:21:323
202199119,1cyclictest10440-21sshd11:46:223
2021991110,0cyclictest0-21swapper/312:27:123
202199110,1cyclictest8823-21lspci10:11:123
202199110,1cyclictest12067-21grepconf.sh12:35:533
202199110,10cyclictest0-21swapper/312:12:133
201599119,1cyclictest9575-21sshd10:33:432
201599119,1cyclictest642-21systemd-logind09:38:332
201599119,1cyclictest31276-21sshd11:17:132
2015991110,0cyclictest3918-21sshd11:20:232
2015991110,0cyclictest0-21swapper/209:55:542
201599110,10cyclictest0-21swapper/211:40:532
201599110,0cyclictest0-21swapper/210:12:242
201599110,0cyclictest0-21swapper/209:50:432
200999110,1cyclictest9518-21lspci12:03:251
200999110,1cyclictest26502-21sshd10:26:441
200999110,1cyclictest19999-21sshd11:19:051
200999110,10cyclictest24675-21sshd11:22:141
200999110,10cyclictest0-21swapper/110:37:151
200999110,10cyclictest0-21swapper/109:36:341
200999110,10cyclictest0-21swapper/109:32:251
200999110,0cyclictest16400-21sshd10:59:141
200999110,0cyclictest0-21swapper/109:14:041
200499119,1cyclictest10077-21bash11:57:440
200499119,1cyclictest10077-21bash11:57:440
2004991110,0cyclictest0-21swapper/011:50:350
200499110,10cyclictest0-21swapper/012:37:140
200499110,10cyclictest0-21swapper/012:06:040
200499110,10cyclictest0-21swapper/010:32:440
200499110,10cyclictest0-21swapper/010:03:150
200499110,10cyclictest0-21swapper/009:58:540
200499110,10cyclictest0-21swapper/009:17:540
202199109,0cyclictest0-21swapper/311:37:433
202199109,0cyclictest0-21swapper/310:56:323
202199109,0cyclictest0-21swapper/309:20:423
202199108,1cyclictest0-21swapper/310:33:433
202199100,0cyclictest0-21swapper/311:33:223
201599109,0cyclictest0-21swapper/211:31:032
201599109,0cyclictest0-21swapper/210:18:432
201599109,0cyclictest0-21swapper/209:43:332
201599108,1cyclictest5403-21smartctl08:35:132
201599100,0cyclictest27430-21sshd10:04:332
201599100,0cyclictest0-21swapper/212:18:332
200999109,0cyclictest0-21swapper/110:32:241
200999109,0cyclictest0-21swapper/110:11:551
200999108,1cyclictest0-21swapper/110:04:041
200999108,1cyclictest0-21swapper/109:19:041
200999100,0cyclictest0-21swapper/111:04:251
200999100,0cyclictest0-21swapper/109:56:351
200499109,0cyclictest0-21swapper/011:32:240
200499109,0cyclictest0-21swapper/009:14:040
200499109,0cyclictest0-21swapper/009:04:540
200499108,1cyclictest674-21dbus-daemon11:04:450
200499102,4cyclictest20424-21munin-run09:10:010
200499100,9cyclictest0-21swapper/008:31:550
200499100,0cyclictest0-21swapper/009:39:350
126162100,1sleep2674-21dbus-daemon11:12:512
21905290,0sleep021902-21lspci11:05:140
20219998,0cyclictest0-21swapper/308:30:223
20219998,0cyclictest0-21swapper/307:14:033
20159998,0cyclictest0-21swapper/212:11:042
20159998,0cyclictest0-21swapper/211:00:342
20159998,0cyclictest0-21swapper/209:27:332
20159997,1cyclictest7613-21sshd10:47:242
20159997,1cyclictest18311-21grepconf.sh12:33:332
20099998,0cyclictest0-21swapper/111:29:451
20049998,0cyclictest0-21swapper/011:28:050
20049998,0cyclictest0-21swapper/010:21:240
20049998,0cyclictest0-21swapper/007:40:150
20049996,2cyclictest674-21dbus-daemon10:16:390
20219987,0cyclictest0-21swapper/308:44:033
20219986,1cyclictest0-21swapper/310:08:533
20219985,2cyclictest7232-21id11:51:473
20219985,2cyclictest674-21dbus-daemon11:01:153
20219985,2cyclictest674-21dbus-daemon10:54:443
20219985,2cyclictest660-21avahi-daemon12:21:253
20219985,2cyclictest660-21avahi-daemon11:40:193
20219985,2cyclictest660-21avahi-daemon11:14:073
20219985,2cyclictest660-21avahi-daemon10:43:483
20219985,2cyclictest660-21avahi-daemon10:37:043
20219985,2cyclictest660-21avahi-daemon10:28:383
20159987,0cyclictest0-21swapper/209:45:342
20159987,0cyclictest0-21swapper/209:14:332
20159986,1cyclictest8865-21lspci10:50:152
20159986,1cyclictest33-21ksoftirqd/212:27:082
20159986,1cyclictest23020-21sshd10:20:502
20159985,2cyclictest674-21dbus-daemon11:48:442
20159985,2cyclictest660-21avahi-daemon11:56:402
20159985,2cyclictest660-21avahi-daemon11:56:392
20159985,2cyclictest660-21avahi-daemon10:08:242
20099987,0cyclictest0-21swapper/112:16:041
20099987,0cyclictest0-21swapper/111:38:251
20099986,1cyclictest699-21gdbus09:48:061
20099986,1cyclictest660-21avahi-daemon10:47:591
20099986,1cyclictest28908-21lspci11:45:111
20099985,2cyclictest660-21avahi-daemon10:21:321
20099985,2cyclictest660-21avahi-daemon09:29:441
20099984,2cyclictest4237-21sshd11:40:121
20049986,1cyclictest21065-21lspci09:25:400
20049985,2cyclictest660-21avahi-daemon12:14:580
20049985,2cyclictest660-21avahi-daemon11:42:160
20049985,2cyclictest660-21avahi-daemon10:59:420
20049985,2cyclictest660-21avahi-daemon09:43:190
30984270,1sleep3674-21dbus-daemon11:25:333
20219976,0cyclictest0-21swapper/310:02:123
20219976,0cyclictest0-21swapper/307:29:023
20219975,1cyclictest660-21avahi-daemon10:45:123
20219975,1cyclictest649-21polkitd09:09:323
20219974,1cyclictest20616-21sshd10:15:043
20219970,6cyclictest0-21swapper/307:21:133
20159975,1cyclictest660-21avahi-daemon12:20:012
20159975,1cyclictest660-21avahi-daemon09:31:152
20159974,2cyclictest660-21avahi-daemon10:55:272
20099976,0cyclictest0-21swapper/107:16:541
20099975,1cyclictest5440-21sshd10:05:191
20099975,1cyclictest0-21swapper/109:40:441
20099974,2cyclictest674-21dbus-daemon12:25:391
20049975,1cyclictest660-21avahi-daemon10:27:300
20049975,1cyclictest624-13audispd09:45:020
20049975,1cyclictest2899-21sshd10:35:520
20049974,2cyclictest19591-21sshd09:52:440
20049974,2cyclictest19301-21sshd10:45:330
20049973,3cyclictest1026-21sshd12:01:190
20219965,0cyclictest0-21swapper/307:56:423
20219965,0cyclictest0-21swapper/307:38:533
20219964,1cyclictest674-21dbus-daemon08:55:013
20219964,1cyclictest674-21dbus-daemon08:40:003
20219963,2cyclictest1002-21snmpd08:25:253
20219963,2cyclictest1002-21snmpd08:06:563
20219962,1cyclictest121rcu_preempt08:20:013
20219960,0cyclictest0-21swapper/307:50:523
20159965,0cyclictest0-21swapper/208:45:132
20159964,1cyclictest649-21polkitd09:09:352
20159963,2cyclictest1002-21snmpd07:38:232
20159963,1cyclictest4128-21munin-node07:15:012
20159960,5cyclictest0-21swapper/207:58:232
20099964,1cyclictest674-21dbus-daemon09:09:401
20099964,1cyclictest4259-21grep08:30:191
20099964,1cyclictest1002-21snmpd07:13:101
20099963,2cyclictest674-21dbus-daemon07:30:001
20099963,2cyclictest1002-21snmpd08:53:341
20099963,2cyclictest1002-21snmpd07:31:371
20099960,5cyclictest0-21swapper/108:26:541
20049964,1cyclictest699-21gdbus07:20:010
20049964,1cyclictest660-21avahi-daemon08:50:000
20049963,2cyclictest1002-21snmpd08:45:090
20219954,0cyclictest0-21swapper/307:45:023
20219953,1cyclictest27674-21cat08:10:143
20219953,1cyclictest1082-21lldpd08:55:193
20219953,1cyclictest1002-21snmpd09:01:253
20219953,1cyclictest1002-21snmpd08:45:153
20219953,1cyclictest1002-21snmpd08:05:003
20219953,1cyclictest1002-21snmpd07:40:493
20219952,2cyclictest1002-21snmpd07:32:343
20159953,1cyclictest3468-21cat08:30:132
20159953,1cyclictest25662-21irqstats08:05:132
20159953,1cyclictest1403-21cat08:25:162
20159953,1cyclictest13649-21cat08:55:152
20159953,1cyclictest1002-21snmpd09:01:012
20159953,1cyclictest1002-21snmpd08:54:322
20159953,1cyclictest1002-21snmpd08:40:552
20159953,1cyclictest1002-21snmpd08:18:422
20159953,1cyclictest1002-21snmpd08:13:052
20159953,1cyclictest1002-21snmpd07:50:532
20159953,1cyclictest1002-21snmpd07:47:072
20159953,1cyclictest1002-21snmpd07:44:222
20159953,1cyclictest1002-21snmpd07:31:522
20159953,1cyclictest1002-21snmpd07:27:412
20159952,2cyclictest674-21dbus-daemon08:01:012
20159952,2cyclictest2197-21wc07:10:122
20159950,4cyclictest0-21swapper/207:21:232
20099954,0cyclictest0-21swapper/108:00:241
20099953,1cyclictest9498-21sort08:45:121
20099953,1cyclictest7310-21cat07:20:141
20099953,1cyclictest674-21dbus-daemon09:05:001
20099953,1cyclictest660-21avahi-daemon08:40:021
20099953,1cyclictest17694-21needreboot07:45:151
20099953,1cyclictest1705-21sendmail08:15:121
20099953,1cyclictest1002-21snmpd08:55:171
20099953,1cyclictest1002-21snmpd08:21:351
20099953,1cyclictest1002-21snmpd08:07:211
20099953,1cyclictest1002-21snmpd07:50:051
20099953,1cyclictest1002-21snmpd07:42:011
20099952,2cyclictest674-21dbus-daemon08:35:001
20099952,2cyclictest21927-21ntpq07:55:161
20099952,2cyclictest1002-21snmpd08:10:111
20099950,4cyclictest12920-21/usr/sbin/munin07:35:201
20049954,0cyclictest0-21swapper/008:55:050
20049954,0cyclictest0-21swapper/008:10:140
20049953,1cyclictest9256-21sed07:25:150
20049953,1cyclictest7141-21grep07:20:130
20049953,1cyclictest699-21gdbus08:20:000
20049953,1cyclictest674-21dbus-daemon08:30:000
20049953,1cyclictest660-21avahi-daemon07:59:540
20049953,1cyclictest25613-21mii-tool08:05:130
20049953,1cyclictest19481-21cat07:50:140
20049953,1cyclictest1002-21snmpd08:41:310
20049953,1cyclictest1002-21snmpd08:00:260
20049953,1cyclictest1002-21snmpd07:45:040
20049953,1cyclictest1002-21snmpd07:35:400
20049953,1cyclictest1002-21snmpd07:32:490
20049953,1cyclictest1002-21snmpd07:14:510
20049952,2cyclictest1002-21snmpd08:37:510
20219942,1cyclictest4341-21gltestperf07:15:003
20219942,1cyclictest31416-21cstates08:20:123
20159942,1cyclictest31238-21chrt08:20:002
20049942,1cyclictest29734-21irqstats08:15:160
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