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2026-03-15 - 16:38
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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 Sun Mar 15, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287302730,0sleep30-21swapper/309:54:483
82582620,0sleep20-21swapper/211:09:282
208792590,0sleep30-21swapper/310:21:073
87812580,0sleep00-21swapper/012:09:580
77162570,1sleep17712-21bash12:23:371
252062560,0sleep30-21swapper/312:33:203
78012540,1sleep07792-21sshd10:13:110
241052530,0sleep10-21swapper/112:11:131
155582530,1sleep2674-21dbus-daemon12:02:152
314312520,0sleep00-21swapper/010:27:330
304342510,0sleep00-21swapper/011:25:050
241782500,0sleep00-21swapper/011:02:330
190302490,0sleep00-21swapper/011:10:190
134152490,0sleep00-21swapper/011:53:530
222182480,0sleep222212-21lspci12:19:222
201312480,0sleep00-21swapper/011:24:120
127082480,0sleep10-21swapper/110:36:551
192402470,0sleep20-21swapper/210:34:492
279702460,2sleep02508299cyclictest11:05:340
247392297,7sleep30-21swapper/307:06:593
2319622515,6sleep10-21swapper/107:05:081
2463422210,7sleep20-21swapper/207:05:372
2472122110,7sleep00-21swapper/007:06:440
50572180,0sleep20-21swapper/208:55:192
277092160,0sleep1231rcuc/111:55:051
277092160,0sleep1231rcuc/111:55:051
163482160,0sleep20-21swapper/210:40:012
296142150,1sleep01-21systemd09:44:310
2509999150,14cyclictest0-21swapper/310:16:523
2509999150,14cyclictest0-21swapper/310:16:513
243642150,1sleep024356-21bash12:03:010
176662150,0sleep20-21swapper/208:09:552
144962150,0sleep014491-21sshd10:50:440
143882150,1sleep014389-21grep12:15:510
134082150,0sleep30-21swapper/312:02:043
71272140,0sleep10-21swapper/111:25:461
324652140,1sleep3391rcuc/309:44:503
316042140,0sleep00-21swapper/010:05:180
2509999140,13cyclictest0-21swapper/312:15:213
2509999140,0cyclictest0-21swapper/311:23:523
2508899140,13cyclictest8235-21bash09:42:111
209502140,0sleep020948-21sshd11:35:140
145632140,0sleep20-21swapper/211:53:582
70262130,0sleep37023-21lspci10:13:063
2509599130,1cyclictest20191-21sshd09:22:442
25082991312,0cyclictest7478-21kworker/0:309:21:290
25082991311,1cyclictest32550irq/27-ahci[00009:39:010
25082991311,1cyclictest2406-21kworker/0:112:22:580
2508299130,12cyclictest649-21polkitd12:12:580
2508299130,12cyclictest15855-21sshd09:49:580
160562130,0sleep20-21swapper/210:14:062
68582120,0sleep20-21swapper/210:09:412
317702120,0sleep30-21swapper/310:33:053
2509999126,5cyclictest660-21avahi-daemon11:00:513
2509999126,5cyclictest660-21avahi-daemon09:49:433
2509999125,6cyclictest674-21dbus-daemon11:16:343
2509999125,6cyclictest660-21avahi-daemon12:11:263
2509999125,6cyclictest660-21avahi-daemon11:49:123
2509999125,6cyclictest660-21avahi-daemon10:52:293
2509999125,6cyclictest660-21avahi-daemon09:33:143
25099991210,1cyclictest0-21swapper/311:40:413
2509999120,1cyclictest649-21polkitd11:14:213
2509999120,1cyclictest1770-21lspci09:19:413
2509999120,11cyclictest3105-21sshd12:06:413
2509599120,1cyclictest4205-21sshd11:58:362
2509599120,1cyclictest4205-21sshd11:58:352
2509599120,11cyclictest25244-21lspci09:54:242
2509599120,11cyclictest14722-21sshd10:42:352
2509599120,11cyclictest0-21swapper/211:29:352
2509599120,11cyclictest0-21swapper/210:48:052
2508899120,1cyclictest0-21swapper/109:17:411
25082991211,0cyclictest27081-21kworker/0:311:56:580
25082991211,0cyclictest27081-21kworker/0:311:56:580
25082991211,0cyclictest19382-21lspci10:34:490
25082991210,1cyclictest4586-21lspci10:19:470
25082991210,1cyclictest4586-21lspci10:19:470
25082991210,1cyclictest2406-21kworker/0:112:26:270
2508299120,1cyclictest30436-21sshd10:57:370
2508299120,11cyclictest12559-21tty11:48:170
2509999115,5cyclictest660-21avahi-daemon11:26:223
2509999115,5cyclictest660-21avahi-daemon10:48:093
2509999115,5cyclictest660-21avahi-daemon10:27:063
2509999115,5cyclictest660-21avahi-daemon09:58:233
2509999115,5cyclictest660-21avahi-daemon09:28:083
2509999115,1cyclictest25969-21bash10:08:143
2509999114,6cyclictest28576-21sshd11:05:373
2509999114,2cyclictest649-21polkitd11:36:513
2509999114,1cyclictest660-21avahi-daemon11:55:283
2509999114,1cyclictest660-21avahi-daemon11:55:273
2509999114,1cyclictest24508-21sshd10:43:253
2509999113,3cyclictest674-21dbus-daemon11:54:473
2509999113,2cyclictest674-21dbus-daemon10:56:423
2509999113,2cyclictest674-21dbus-daemon10:35:553
2509999113,2cyclictest674-21dbus-daemon09:22:003
2509999112,3cyclictest620-13auditd12:27:343
2509999110,10cyclictest0-21swapper/311:32:313
2509599119,1cyclictest7599-21grepconf.sh12:07:052
25095991110,0cyclictest0-21swapper/212:20:052
2509599110,10cyclictest0-21swapper/210:26:452
2509599110,10cyclictest0-21swapper/209:14:442
2509599110,0cyclictest0-21swapper/211:47:252
25088991110,0cyclictest0-21swapper/111:02:211
25088991110,0cyclictest0-21swapper/110:21:511
2508899110,1cyclictest18973-21bash11:54:221
2508899110,10cyclictest0-21swapper/112:02:111
2508899110,10cyclictest0-21swapper/110:07:311
2508899110,10cyclictest0-21swapper/109:10:011
2508299119,1cyclictest31008-21kworker/0:212:31:380
2508299119,1cyclictest0-21swapper/012:39:480
25082991111,0cyclictest527-40kipmi008:52:260
25082991110,0cyclictest32190-21kworker/0:010:48:090
2508299110,10cyclictest0-21swapper/011:43:270
186792110,0sleep10-21swapper/109:32:591
11932110,1sleep1231rcuc/110:12:291
2509999109,0cyclictest0-21swapper/307:10:013
2509999104,1cyclictest660-21avahi-daemon09:35:043
2509999103,2cyclictest699-21gdbus12:36:233
2509999103,2cyclictest699-21gdbus10:00:073
2509999103,1cyclictest674-21dbus-daemon09:11:343
2509999102,3cyclictest29979-21gdbus12:20:073
2509599107,2cyclictest660-21avahi-daemon10:04:332
2509599100,0cyclictest0-21swapper/211:37:462
2508899109,0cyclictest0-21swapper/111:44:411
2508899109,0cyclictest0-21swapper/111:39:521
2508899109,0cyclictest0-21swapper/111:24:311
2508899109,0cyclictest0-21swapper/111:08:311
2508899109,0cyclictest0-21swapper/110:47:121
2508899100,0cyclictest0-21swapper/109:23:021
2508299109,0cyclictest32550irq/27-ahci[00011:34:000
2508299109,0cyclictest0-21swapper/010:38:270
2508299109,0cyclictest0-21swapper/009:19:570
2508299108,1cyclictest0-21swapper/011:16:270
2508299100,0cyclictest0-21swapper/009:29:470
6104290,1sleep16100-21lspci10:52:491
250999993,1cyclictest1002-21snmpd09:05:583
250999993,1cyclictest1002-21snmpd08:46:283
250999990,8cyclictest0-21swapper/308:57:013
250959998,0cyclictest0-21swapper/212:26:152
250959998,0cyclictest0-21swapper/211:42:352
250959998,0cyclictest0-21swapper/211:34:252
250959998,0cyclictest0-21swapper/207:49:242
250959997,1cyclictest3241-21sshd11:22:452
250959996,2cyclictest674-21dbus-daemon12:30:222
250959996,2cyclictest674-21dbus-daemon11:12:442
250959996,2cyclictest674-21dbus-daemon10:58:472
250959996,2cyclictest660-21avahi-daemon12:14:412
250959996,2cyclictest4202-21sshd09:25:242
250889998,0cyclictest0-21swapper/109:27:111
250889997,1cyclictest623-17sedispatch10:55:011
250889995,3cyclictest660-21avahi-daemon09:53:341
250829998,0cyclictest6538-21lspci10:22:420
250829996,1cyclictest9-21ksoftirqd/010:40:460
250999987,0cyclictest0-21swapper/309:00:113
250999983,1cyclictest674-21dbus-daemon08:20:003
250999983,1cyclictest642-21systemd-logind08:34:553
250999983,1cyclictest30396-21cat07:20:133
250999983,1cyclictest1002-21snmpd08:36:093
250999983,1cyclictest1002-21snmpd07:56:293
250999983,1cyclictest1002-21snmpd07:54:503
250999983,1cyclictest1002-21snmpd07:45:323
250999983,1cyclictest1002-21snmpd07:35:513
250999983,1cyclictest1002-21snmpd07:30:083
250999980,5cyclictest0-21swapper/308:07:313
250959987,0cyclictest0-21swapper/212:38:162
250959987,0cyclictest0-21swapper/208:18:252
250959986,1cyclictest674-21dbus-daemon10:52:042
250959986,1cyclictest660-21avahi-daemon09:17:382
250959986,1cyclictest32094-21sshd11:03:152
250959986,1cyclictest30431-21lspci09:30:072
250959986,1cyclictest1-21systemd09:45:392
250959985,2cyclictest660-21avahi-daemon09:41:002
250889987,0cyclictest0-21swapper/111:49:311
250889987,0cyclictest0-21swapper/110:31:021
250889986,1cyclictest710-21NetworkManager12:30:511
250889986,1cyclictest25-21ksoftirqd/111:13:481
250889986,1cyclictest19989-21lspci11:18:421
250889986,1cyclictest12946-21lspci12:26:461
250889986,1cyclictest11033-21lspci12:07:221
250889985,2cyclictest660-21avahi-daemon12:15:381
250889985,2cyclictest660-21avahi-daemon10:42:241
250889984,3cyclictest660-21avahi-daemon10:25:361
250889984,3cyclictest20962-21rm10:18:021
250889984,3cyclictest20962-21rm10:18:021
250889983,1cyclictest660-21avahi-daemon12:38:121
250889982,1cyclictest699-21gdbus11:30:021
250829986,1cyclictest9-21ksoftirqd/009:57:210
250829986,1cyclictest9-21ksoftirqd/009:50:220
250829986,1cyclictest674-21dbus-daemon09:11:410
250829985,2cyclictest660-21avahi-daemon10:00:040
250829981,1cyclictest131rcu_sched09:34:010
250829980,4cyclictest674-21dbus-daemon09:09:590
23768280,0sleep2311rcuc/210:21:222
27798270,0sleep10-21swapper/107:15:001
250999972,1cyclictest7026-21grep07:40:193
250999972,1cyclictest1002-21snmpd07:29:173
250959975,1cyclictest699-21gdbus09:36:172
250959975,1cyclictest660-21avahi-daemon10:15:332
250959975,1cyclictest660-21avahi-daemon10:15:332
250959974,2cyclictest660-21avahi-daemon11:16:122
250959974,2cyclictest660-21avahi-daemon09:58:262
250889975,1cyclictest674-21dbus-daemon09:45:011
250889974,1cyclictest1939-21sshd09:55:171
250889973,3cyclictest674-21dbus-daemon09:36:251
250889972,2cyclictest19746-21sshd10:00:341
250999963,2cyclictest1002-21snmpd08:04:033
250959963,2cyclictest1002-21snmpd08:45:342
250889963,2cyclictest1002-21snmpd08:49:341
250829966,0cyclictest527-40kipmi007:44:100
250829966,0cyclictest101ktimersoftd/008:07:570
250829964,1cyclictest674-21dbus-daemon07:50:000
250829963,2cyclictest1002-21snmpd08:29:000
250829960,5cyclictest0-21swapper/008:02:470
250829960,5cyclictest0-21swapper/007:30:270
250999953,1cyclictest24513-21cat08:25:153
250999953,1cyclictest22446-21cat08:20:123
250999953,1cyclictest1002-21snmpd08:40:063
250999953,1cyclictest1002-21snmpd08:11:303
250999953,1cyclictest1002-21snmpd07:15:253
250999952,2cyclictest1002-21snmpd08:53:113
250959953,1cyclictest4114-21cat07:35:142
250959953,1cyclictest30635-21cat08:40:142
250959953,1cyclictest30395-21cat07:20:122
250959953,1cyclictest24024-21/usr/sbin/munin08:25:182
250959953,1cyclictest1088-21ntpd08:20:152
250959953,1cyclictest1002-21snmpd09:02:132
250959953,1cyclictest1002-21snmpd08:51:492
250959953,1cyclictest1002-21snmpd08:35:092
250959953,1cyclictest1002-21snmpd08:31:362
250959953,1cyclictest1002-21snmpd08:11:122
250959953,1cyclictest1002-21snmpd08:01:472
250959953,1cyclictest1002-21snmpd07:56:172
250959953,1cyclictest1002-21snmpd07:40:472
250959953,1cyclictest1002-21snmpd07:25:102
250959953,1cyclictest1002-21snmpd07:19:342
250959953,1cyclictest1002-21snmpd07:14:562
250959953,1cyclictest0-21swapper/209:05:192
250959953,1cyclictest0-21swapper/207:30:182
250959952,2cyclictest1002-21snmpd07:52:082
250889953,1cyclictest674-21dbus-daemon07:40:001
250889953,1cyclictest28447-21tail08:35:121
250889953,1cyclictest20410-21cat08:15:161
250889953,1cyclictest1082-21lldpd07:13:291
250889953,1cyclictest1002-21snmpd09:09:501
250889953,1cyclictest1002-21snmpd09:02:431
250889953,1cyclictest1002-21snmpd08:56:581
250889953,1cyclictest1002-21snmpd08:30:301
250889953,1cyclictest1002-21snmpd08:22:481
250889953,1cyclictest1002-21snmpd08:03:381
250889953,1cyclictest1002-21snmpd07:57:411
250889953,1cyclictest1002-21snmpd07:34:381
250889953,1cyclictest1002-21snmpd07:20:371
250889952,2cyclictest8533-21awk07:45:151
250889952,2cyclictest674-21dbus-daemon08:10:001
250889952,2cyclictest674-21dbus-daemon08:09:551
250889952,2cyclictest674-21dbus-daemon07:25:011
250889952,2cyclictest1002-21snmpd08:52:131
250889952,2cyclictest1002-21snmpd07:35:291
250889950,0cyclictest0-21swapper/108:25:011
250889950,0cyclictest0-21swapper/107:50:321
250829953,1cyclictest660-21avahi-daemon08:25:000
250829953,1cyclictest660-21avahi-daemon08:16:400
250829953,1cyclictest649-21polkitd08:30:010
250829953,1cyclictest1705-21sendmail07:57:150
250829953,1cyclictest1002-21snmpd08:55:050
250829953,1cyclictest1002-21snmpd08:45:430
250829953,1cyclictest1002-21snmpd08:36:060
250829953,1cyclictest1002-21snmpd07:53:090
250829953,1cyclictest1002-21snmpd07:36:170
250829953,1cyclictest1002-21snmpd07:24:490
250829953,1cyclictest1002-21snmpd07:11:130
250829950,4cyclictest0-21swapper/007:26:580
250829950,0cyclictest0-21swapper/009:00:470
250829950,0cyclictest0-21swapper/008:40:370
250889942,1cyclictest30537-21hostname08:40:131
250829942,1cyclictest27228-21munin-node07:15:000
250829942,1cyclictest18037-21expr08:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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