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2026-03-13 - 08:50
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Fri Mar 13, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
995221200,2sleep3296999cyclictest23:39:123
1810221170,1sleep118093-21sshd23:48:071
63862680,1sleep16389-21bash22:15:351
185332600,0sleep30-21swapper/300:07:243
138192580,0sleep10-21swapper/123:42:141
139692570,0sleep10-21swapper/100:34:341
209192560,0sleep10-21swapper/123:07:061
133352560,0sleep20-21swapper/222:09:312
116512560,0sleep00-21swapper/000:09:370
275082550,0sleep10-21swapper/122:34:451
220942550,0sleep20-21swapper/223:37:272
243062520,0sleep10-21swapper/121:39:341
196472520,0sleep119650-21grep22:20:191
66152510,0sleep10-21swapper/123:16:511
56912510,0sleep20-21swapper/222:19:042
143002510,1sleep1231rcuc/121:14:351
183862500,0sleep00-21swapper/000:23:550
162152500,0sleep30-21swapper/321:25:543
286352490,1sleep3649-21polkitd22:00:393
316402480,1sleep331637-21bash22:26:503
314922480,0sleep30-21swapper/300:25:023
308422480,0sleep10-21swapper/121:43:431
150022480,0sleep114853-21sshd22:50:071
36742460,1sleep23673-21bash23:46:522
247524432,7sleep00-21swapper/019:05:210
187492400,0sleep018721-21sshd23:01:240
252523210,7sleep10-21swapper/119:05:591
27152279,7sleep20-21swapper/219:08:202
248422230,1sleep2296499cyclictest00:13:282
258722210,7sleep30-21swapper/319:06:413
2964992020,0cyclictest321ktimersoftd/219:48:322
318672170,0sleep20-21swapper/223:08:032
2969991716,0cyclictest401ktimersoftd/321:53:403
269222170,0sleep30-21swapper/322:31:553
128912170,1sleep10-21swapper/100:26:091
2964991616,0cyclictest321ktimersoftd/220:35:122
249132160,0sleep10-21swapper/120:00:151
231882160,0sleep10-21swapper/122:59:051
312992150,1sleep00-21swapper/022:51:270
2969991513,1cyclictest24360-21lspci23:21:053
296499154,3cyclictest33-21ksoftirqd/200:04:592
296499154,3cyclictest33-21ksoftirqd/200:04:592
296499154,1cyclictest33-21ksoftirqd/223:34:332
2964991515,0cyclictest321ktimersoftd/220:46:452
2964991515,0cyclictest321ktimersoftd/220:27:212
159132150,0sleep20-21swapper/200:09:592
57372140,1sleep01-21systemd23:58:040
52832140,0sleep30-21swapper/321:18:333
327172140,0sleep30-21swapper/323:41:043
2969991413,0cyclictest1852-21lspci21:44:053
2969991412,0cyclictest401ktimersoftd/322:45:423
296499144,1cyclictest33-21ksoftirqd/223:43:202
296499143,4cyclictest649-21polkitd22:51:002
2964991414,0cyclictest321ktimersoftd/219:57:142
2964991414,0cyclictest321ktimersoftd/219:39:202
296399140,13cyclictest29979-21gdbus21:50:461
256612140,1sleep00-21swapper/000:19:030
141002140,0sleep00-21swapper/022:33:360
132322140,1sleep313229-21bash23:00:553
114162140,0sleep00-21swapper/023:25:270
96682130,0sleep00-21swapper/023:50:110
51552130,0sleep00-21swapper/022:12:000
2969991312,0cyclictest4833-21lspci23:33:143
2969991312,0cyclictest2419-21lspci22:35:173
2969991312,0cyclictest17576-21lspci00:37:353
296999130,12cyclictest642-21systemd-logind22:40:043
296499135,2cyclictest33-21ksoftirqd/200:38:592
296499134,1cyclictest33-21ksoftirqd/223:18:282
296499133,3cyclictest33-21ksoftirqd/222:28:372
296499133,2cyclictest649-21polkitd21:22:222
296499133,1cyclictest33-21ksoftirqd/200:26:162
296499132,1cyclictest33-21ksoftirqd/222:49:342
2964991313,0cyclictest321ktimersoftd/220:55:072
2964991313,0cyclictest321ktimersoftd/220:42:042
2964991313,0cyclictest321ktimersoftd/219:52:122
296499131,11cyclictest33-21ksoftirqd/221:53:052
296499130,12cyclictest6150-21bash22:35:352
2963991312,0cyclictest0-21swapper/123:00:061
296399130,1cyclictest9889-21sshd23:55:361
271252130,0sleep30-21swapper/323:29:393
140342130,0sleep30-21swapper/323:58:473
10772130,0sleep10-21swapper/122:11:341
35542120,0sleep1231rcuc/100:36:221
296999126,1cyclictest41-21ksoftirqd/300:23:343
2969991211,0cyclictest20924-21lspci00:15:493
2969991211,0cyclictest11591-21lspci22:19:433
296999120,1cyclictest624-13audispd21:46:143
296999120,11cyclictest22808-21grepconf.sh22:56:143
296999120,11cyclictest0-21swapper/300:10:353
296499126,3cyclictest33-21ksoftirqd/222:30:522
296499125,3cyclictest33-21ksoftirqd/223:55:542
296499124,1cyclictest33-21ksoftirqd/221:18:432
296499123,1cyclictest33-21ksoftirqd/200:21:522
296499122,4cyclictest33-21ksoftirqd/200:18:412
296499122,3cyclictest649-21polkitd22:55:122
296499122,3cyclictest33-21ksoftirqd/219:20:002
296499122,3cyclictest33-21ksoftirqd/200:31:312
296499122,1cyclictest33-21ksoftirqd/223:10:042
2964991212,0cyclictest321ktimersoftd/221:04:592
2964991212,0cyclictest321ktimersoftd/220:08:362
2964991212,0cyclictest321ktimersoftd/220:01:152
296499121,1cyclictest33-21ksoftirqd/223:28:472
2964991210,1cyclictest674-21dbus-daemon21:55:252
296499120,11cyclictest20910-21sshd21:49:352
296499120,11cyclictest0-21swapper/221:41:452
296399129,2cyclictest4118-21grep00:00:361
296399129,2cyclictest4118-21grep00:00:361
296399120,11cyclictest836-21sshd23:35:361
296399120,11cyclictest32644-21sshd22:26:561
296299120,1cyclictest5103-21sshd00:33:470
23522120,0sleep10-21swapper/100:11:301
222232120,0sleep20-21swapper/223:01:422
296999119,1cyclictest15267-21lspci22:22:443
296999110,10cyclictest1766-21sshd23:08:143
296999110,10cyclictest0-21swapper/323:51:553
296999110,10cyclictest0-21swapper/321:59:043
296499116,1cyclictest33-21ksoftirqd/221:35:492
296499113,3cyclictest33-21ksoftirqd/222:11:342
296499113,1cyclictest33-21ksoftirqd/223:51:412
296499113,1cyclictest33-21ksoftirqd/222:00:322
296499113,1cyclictest33-21ksoftirqd/221:26:352
296499112,3cyclictest660-21avahi-daemon22:20:042
296499112,1cyclictest33-21ksoftirqd/223:23:052
296499111,3cyclictest33-21ksoftirqd/222:40:542
2964991111,0cyclictest321ktimersoftd/220:12:372
2964991111,0cyclictest321ktimersoftd/219:40:102
296399118,2cyclictest1-21systemd23:31:461
296399110,10cyclictest0-21swapper/123:26:461
296399110,0cyclictest0-21swapper/122:35:361
296299119,1cyclictest0-21swapper/022:05:270
2962991110,0cyclictest0-21swapper/023:37:270
2962991110,0cyclictest0-21swapper/021:26:270
296999109,0cyclictest2007-21lspci21:37:073
296999109,0cyclictest0-21swapper/322:05:143
296999108,1cyclictest17009-21missed_timers22:50:143
296999103,1cyclictest41-21ksoftirqd/300:00:133
296999103,1cyclictest41-21ksoftirqd/300:00:123
296999100,9cyclictest0-21swapper/319:33:243
296999100,1cyclictest131rcu_sched23:12:383
296999100,0cyclictest0-21swapper/323:45:453
296499104,3cyclictest33-21ksoftirqd/221:11:362
296499102,1cyclictest33-21ksoftirqd/221:33:422
296399109,0cyclictest0-21swapper/121:55:261
296399109,0cyclictest0-21swapper/121:48:261
296399109,0cyclictest0-21swapper/100:20:561
296299109,0cyclictest0-21swapper/021:42:570
296299108,1cyclictest17734-21sshd22:22:570
296299108,1cyclictest0-21swapper/022:26:070
296299100,1cyclictest131rcu_sched23:49:190
296299100,0cyclictest0-21swapper/023:32:270
296299100,0cyclictest0-21swapper/021:59:170
29699998,0cyclictest401ktimersoftd/321:10:303
29699998,0cyclictest0-21swapper/322:12:543
29699997,1cyclictest674-21dbus-daemon00:30:143
29699993,1cyclictest41-21ksoftirqd/321:33:543
29699990,0cyclictest0-21swapper/319:15:243
29639998,0cyclictest0-21swapper/100:17:361
29639997,1cyclictest674-21dbus-daemon22:02:531
29639996,2cyclictest674-21dbus-daemon23:51:061
29639990,0cyclictest0-21swapper/120:16:461
29629998,0cyclictest0-21swapper/022:58:270
29629998,0cyclictest0-21swapper/022:17:470
29629998,0cyclictest0-21swapper/021:35:070
29629998,0cyclictest0-21swapper/000:12:570
29629998,0cyclictest0-21swapper/000:00:070
29629998,0cyclictest0-21swapper/000:00:070
29629997,1cyclictest9-21ksoftirqd/023:05:130
29629997,1cyclictest0-21swapper/021:23:160
29629991,1cyclictest121rcu_preempt23:15:150
29699987,0cyclictest0-21swapper/320:20:243
29699987,0cyclictest0-21swapper/319:50:143
29699986,1cyclictest41-21ksoftirqd/323:17:373
29699980,7cyclictest23396-21kworker/3:221:21:243
29649981,1cyclictest33-21ksoftirqd/219:30:002
29639987,0cyclictest0-21swapper/121:15:261
29639986,1cyclictest660-21avahi-daemon21:21:191
29639986,1cyclictest11846-21lspci23:20:061
29639985,2cyclictest660-21avahi-daemon23:13:241
29639985,2cyclictest660-21avahi-daemon21:32:371
29639985,2cyclictest660-21avahi-daemon00:06:371
29639985,1cyclictest8592-21sshd22:44:061
29629987,0cyclictest9-21ksoftirqd/021:20:000
29629987,0cyclictest0-21swapper/021:13:370
29629986,1cyclictest9-21ksoftirqd/021:32:250
29629986,1cyclictest660-21avahi-daemon23:43:350
29629986,1cyclictest660-21avahi-daemon23:23:550
29629986,1cyclictest660-21avahi-daemon00:39:050
29629986,1cyclictest15405-21lspci23:14:550
29629986,1cyclictest0-21swapper/022:40:170
29629985,2cyclictest660-21avahi-daemon22:38:150
29629984,3cyclictest30326-21sshd21:54:010
29699975,1cyclictest41-21ksoftirqd/321:10:003
29699970,0cyclictest0-21swapper/320:15:343
29649975,1cyclictest33-21ksoftirqd/219:20:002
29639975,1cyclictest660-21avahi-daemon22:45:201
29639975,1cyclictest660-21avahi-daemon21:10:001
29639974,2cyclictest660-21avahi-daemon21:26:251
29639973,1cyclictest0-21swapper/122:08:161
29629976,0cyclictest0-21swapper/022:00:270
29629975,1cyclictest9-21ksoftirqd/022:45:100
29629975,1cyclictest6385-21lspci21:47:590
29629973,3cyclictest674-21dbus-daemon00:25:010
29699966,0cyclictest401ktimersoftd/320:05:263
29699963,2cyclictest1002-21snmpd19:14:283
29699960,0cyclictest0-21swapper/320:43:343
29699960,0cyclictest0-21swapper/320:26:143
29649964,1cyclictest33-21ksoftirqd/221:10:002
29649963,2cyclictest1002-21snmpd20:22:432
29649962,2cyclictest33-21ksoftirqd/220:35:002
29639964,1cyclictest699-21gdbus19:40:001
29639963,2cyclictest1002-21snmpd20:12:391
29639960,5cyclictest0-21swapper/119:29:251
29629964,1cyclictest1002-21snmpd20:47:520
29629963,2cyclictest674-21dbus-daemon21:10:010
29629963,2cyclictest1002-21snmpd20:27:370
29629960,0cyclictest0-21swapper/020:06:270
29699953,1cyclictest41-21ksoftirqd/319:40:003
29699953,1cyclictest16358-21cat19:40:143
29699953,1cyclictest1002-21snmpd20:50:593
29699953,1cyclictest1002-21snmpd20:49:133
29699953,1cyclictest1002-21snmpd20:37:283
29699953,1cyclictest1002-21snmpd20:11:573
29699953,1cyclictest1002-21snmpd19:56:003
29699953,1cyclictest1002-21snmpd19:48:173
29699953,1cyclictest1002-21snmpd19:27:263
29699952,2cyclictest8609-21ntpdc19:20:143
29699952,2cyclictest1002-21snmpd21:00:353
29699952,2cyclictest1002-21snmpd20:55:233
29699952,2cyclictest1002-21snmpd20:30:043
29649953,1cyclictest1002-21snmpd19:32:442
29649951,1cyclictest0-21swapper/220:54:552
29649950,0cyclictest121rcu_preempt19:15:012
29649950,0cyclictest0-21swapper/220:15:442
29639953,1cyclictest642-21systemd-logind19:30:001
29639953,1cyclictest3637-21cat19:10:131
29639953,1cyclictest22359-21cut19:55:141
29639953,1cyclictest16247-21tail19:40:131
29639953,1cyclictest1088-21ntpd19:15:171
29639953,1cyclictest1002-21snmpd20:55:081
29639953,1cyclictest1002-21snmpd20:45:011
29639953,1cyclictest1002-21snmpd20:30:341
29639953,1cyclictest1002-21snmpd20:27:041
29639953,1cyclictest1002-21snmpd20:20:301
29639953,1cyclictest1002-21snmpd19:50:291
29639953,1cyclictest1002-21snmpd19:22:291
29639952,2cyclictest17013-21ntp_states21:00:171
29639952,2cyclictest1002-21snmpd20:40:011
29639952,2cyclictest1002-21snmpd20:36:311
29639950,4cyclictest26092-21/usr/sbin/munin20:05:131
29639950,4cyclictest0-21swapper/120:51:461
29629953,1cyclictest9-21ksoftirqd/020:14:550
29629953,1cyclictest9080-21tail19:20:170
29629953,1cyclictest646-21lsmd19:10:100
29629953,1cyclictest5730-21/usr/sbin/munin19:15:150
29629953,1cyclictest15004-21open_inodes20:55:170
29629953,1cyclictest12290-21cat19:30:140
29629953,1cyclictest1088-21ntpd19:40:160
29629953,1cyclictest1002-21snmpd21:01:560
29629953,1cyclictest1002-21snmpd20:50:010
29629953,1cyclictest1002-21snmpd20:36:490
29629953,1cyclictest1002-21snmpd20:30:460
29629953,1cyclictest1002-21snmpd20:15:030
29629953,1cyclictest1002-21snmpd20:00:090
29629953,1cyclictest1002-21snmpd19:51:570
29629953,1cyclictest1002-21snmpd19:45:590
29629953,1cyclictest1002-21snmpd19:37:230
29629953,1cyclictest1002-21snmpd19:28:290
29629950,4cyclictest0-21swapper/019:58:070
29699942,1cyclictest24057-21cpu20:00:103
29639940,1cyclictest0-21swapper/119:45:001
29629942,1cyclictest8209-21ls20:40:100
29629942,1cyclictest674-21dbus-daemon20:20:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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