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2026-01-09 - 00:31
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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 highest latencies:
System rack2slot0.osadl.org (updated Thu Jan 08, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99272910,0sleep09928-21sshd11:12:450
167762830,0sleep00-21swapper/010:31:020
172962720,0sleep10-21swapper/110:58:551
100872710,1sleep310089-21latency10:05:153
320622560,0sleep30-21swapper/311:00:093
258852550,0sleep20-21swapper/212:20:562
169492540,0sleep00-21swapper/009:45:010
133782540,0sleep20-21swapper/210:16:022
166182520,0sleep30-21swapper/310:42:073
52582500,0sleep00-21swapper/010:52:140
282882500,0sleep20-21swapper/210:29:202
136742500,0sleep10-21swapper/109:48:071
77262490,0sleep10-21swapper/110:52:261
154222490,0sleep115417-21sshd11:25:081
154222490,0sleep115417-21sshd11:25:071
147972490,0sleep20-21swapper/210:33:422
166722480,0sleep10-21swapper/110:44:571
67792460,0sleep00-21swapper/011:55:150
45752460,0sleep00-21swapper/010:24:350
274322430,1sleep233-21ksoftirqd/211:10:552
45472390,0sleep10-21swapper/111:00:321
3222422917,7sleep20-21swapper/207:05:542
3236722414,6sleep10-21swapper/107:07:451
3218122216,3sleep30-21swapper/307:05:233
3230622110,7sleep00-21swapper/007:06:560
321712200,0sleep10-21swapper/109:53:341
28952190,1sleep22886-21sshd12:37:422
143022190,0sleep30-21swapper/310:19:453
293002170,0sleep029262-21sshd10:59:580
157222170,0sleep30-21swapper/312:00:133
64052160,1sleep3401ktimersoftd/311:47:243
32665991615,0cyclictest17484-21kworker/1:309:18:431
32665991614,1cyclictest11689-21kworker/1:109:36:131
247982160,1sleep224797-21grep10:06:502
168112160,0sleep10-21swapper/111:07:081
32665991514,0cyclictest26000-21kworker/1:311:32:121
32665991514,0cyclictest25367-21kworker/1:210:21:181
32665991514,0cyclictest19520-21lspci09:59:211
32665991514,0cyclictest18703-21kworker/1:411:11:141
32665991513,1cyclictest26000-21kworker/1:311:39:071
291882150,0sleep20-21swapper/212:33:062
286332150,0sleep00-21swapper/012:17:250
173212150,0sleep10-21swapper/109:21:071
112632150,1sleep011260-21lspci09:44:240
32665991413,0cyclictest1841-21kworker/1:209:44:531
32665991412,1cyclictest4674-21kworker/1:112:15:211
3266599140,1cyclictest674-21dbus-daemon09:33:381
317802140,1sleep30-21swapper/309:18:093
310762140,0sleep20-21swapper/212:02:052
180802140,0sleep00-21swapper/012:00:270
132162140,0sleep3391rcuc/310:28:013
105632140,0sleep30-21swapper/312:38:393
98702130,0sleep10-21swapper/111:43:571
62622130,0sleep30-21swapper/311:35:343
3267899130,1cyclictest0-21swapper/310:59:023
3267899130,12cyclictest699-21gdbus09:52:523
32669991312,0cyclictest5115-21lspci11:51:062
32665991313,0cyclictest527-40kipmi010:30:161
32665991313,0cyclictest1664-21kworker/1:210:14:221
32665991313,0cyclictest14884-21kworker/1:412:39:581
32665991311,1cyclictest22340-21kworker/1:011:50:551
3266599130,12cyclictest6811-21sshd10:27:281
314932130,0sleep00-21swapper/011:05:350
23612130,0sleep20-21swapper/212:14:192
32678991210,1cyclictest3638-21chrt10:01:013
32678991210,1cyclictest0-21swapper/312:23:233
3267899120,1cyclictest623-17sedispatch10:22:523
3267899120,1cyclictest3508-21sshd10:49:223
3267899120,1cyclictest11534-21lspci09:47:513
3267899120,11cyclictest27299-21grepconf.sh10:10:313
3267899120,11cyclictest1-21systemd11:55:333
32669991211,0cyclictest8176-21lspci10:44:132
32669991211,0cyclictest31562-21lspci11:38:452
3266999120,1cyclictest32747-21bash11:15:232
32665991212,0cyclictest436-21kworker/1:010:07:061
32665991212,0cyclictest31668-21kworker/1:111:57:521
32665991212,0cyclictest24239-21kworker/1:012:09:591
32665991210,1cyclictest3888-21kworker/1:111:16:351
3266599120,11cyclictest1026-21sshd12:23:091
3265899120,11cyclictest747-21sshd10:49:080
3265899120,11cyclictest18539-21sshd10:42:170
312412120,0sleep331243-21bash11:11:243
246112120,0sleep20-21swapper/212:28:402
3267899119,1cyclictest16066-21bash09:55:223
32678991110,0cyclictest0-21swapper/310:33:523
3266999119,1cyclictest0-21swapper/209:59:142
3266999115,1cyclictest33-21ksoftirqd/211:07:422
3266999113,1cyclictest33-21ksoftirqd/210:50:232
3266999112,2cyclictest33-21ksoftirqd/211:22:052
3266999110,10cyclictest117282sleep211:28:342
3266999110,10cyclictest117282sleep211:28:332
3266999110,10cyclictest0-21swapper/211:48:242
3266999110,10cyclictest0-21swapper/209:10:132
3266599119,1cyclictest436-21kworker/1:010:01:531
3266599114,4cyclictest25-21ksoftirqd/111:20:591
32665991111,0cyclictest9811-21kworker/1:209:13:411
32665991111,0cyclictest25367-21kworker/1:210:36:441
32665991111,0cyclictest11689-21kworker/1:109:28:471
3266599110,1cyclictest19106-21lspci11:48:591
3266599110,0cyclictest0-21swapper/112:10:091
3265899119,1cyclictest674-21dbus-daemon12:34:570
3265899119,1cyclictest21483-21sshd10:06:270
3265899113,4cyclictest25558-21sshd10:00:010
3265899110,10cyclictest1073-21nfsd09:22:180
3265899110,10cyclictest0-21swapper/011:47:280
3265899110,10cyclictest0-21swapper/009:52:170
3265899110,0cyclictest0-21swapper/011:24:470
3265899110,0cyclictest0-21swapper/009:12:480
3267899109,0cyclictest0-21swapper/312:33:133
3267899109,0cyclictest0-21swapper/307:10:223
32678991010,0cyclictest0-21swapper/309:41:023
3267899100,0cyclictest0-21swapper/311:43:523
3267899100,0cyclictest0-21swapper/310:54:013
3266999109,0cyclictest0-21swapper/210:36:442
3266999109,0cyclictest0-21swapper/210:21:442
3266999109,0cyclictest0-21swapper/209:30:542
3266999103,3cyclictest33-21ksoftirqd/209:43:432
3266999102,3cyclictest32649-21cyclictest11:03:552
3266999102,1cyclictest33-21ksoftirqd/210:00:162
3266999100,0cyclictest0-21swapper/212:09:342
3266999100,0cyclictest0-21swapper/210:47:542
3266599109,0cyclictest24239-21kworker/1:012:30:471
3266599101,3cyclictest1073-21nfsd10:45:051
3266599101,1cyclictest25-21ksoftirqd/110:15:321
32665991010,0cyclictest31973-21kworker/1:208:30:221
32665991010,0cyclictest24239-21kworker/1:012:26:061
3265899109,0cyclictest0-21swapper/011:35:480
3265899109,0cyclictest0-21swapper/008:00:170
3265899108,1cyclictest29979-21gdbus11:30:080
3265899100,0cyclictest0-21swapper/012:21:370
311852100,0sleep00-21swapper/012:37:120
326789998,0cyclictest0-21swapper/312:16:423
326789998,0cyclictest0-21swapper/311:32:323
326789998,0cyclictest0-21swapper/311:24:223
326789998,0cyclictest0-21swapper/309:25:113
326789998,0cyclictest0-21swapper/307:35:023
326699998,0cyclictest31346-21lspci11:58:162
326699998,0cyclictest0-21swapper/208:43:542
326699998,0cyclictest0-21swapper/207:38:542
326699997,1cyclictest33-21ksoftirqd/210:56:052
326699996,1cyclictest33-21ksoftirqd/209:52:352
326699995,1cyclictest33-21ksoftirqd/209:47:552
326699993,3cyclictest33-21ksoftirqd/210:12:352
326699991,2cyclictest29979-21gdbus09:29:572
326659998,0cyclictest15040-21kworker/1:207:55:111
326589998,0cyclictest0-21swapper/012:05:270
326589998,0cyclictest0-21swapper/008:55:180
326589996,2cyclictest674-21dbus-daemon10:19:260
326789987,0cyclictest0-21swapper/311:06:313
326789986,1cyclictest28471-21sshd12:13:333
326789985,2cyclictest660-21avahi-daemon10:35:093
326789985,2cyclictest660-21avahi-daemon09:36:163
326789985,2cyclictest660-21avahi-daemon09:31:093
326789982,1cyclictest29388-21open_files12:25:153
326789981,1cyclictest0-21swapper/311:26:473
326789981,1cyclictest0-21swapper/311:26:473
326699987,0cyclictest0-21swapper/209:17:442
326699986,1cyclictest33-21ksoftirqd/211:42:052
326699986,1cyclictest33-21ksoftirqd/211:31:222
326699986,1cyclictest33-21ksoftirqd/209:35:112
326699981,1cyclictest131rcu_sched12:16:442
326659988,0cyclictest23830-21kworker/1:108:10:471
326659984,2cyclictest25866-21sshd12:01:261
326589986,1cyclictest18084-21sshd10:13:080
326589986,1cyclictest14854-21lspci10:36:250
326589985,2cyclictest660-21avahi-daemon09:36:590
326589985,2cyclictest13947-21sshd11:01:220
326789976,0cyclictest0-21swapper/309:24:513
326789975,1cyclictest699-21gdbus11:50:203
326789974,2cyclictest660-21avahi-daemon09:10:143
326789974,1cyclictest649-21polkitd11:15:013
326789970,6cyclictest23312-21sshd12:05:073
326789970,6cyclictest0-21swapper/309:05:323
326699975,1cyclictest33-21ksoftirqd/209:23:132
326659977,0cyclictest5741-21kworker/1:108:48:551
326659977,0cyclictest31973-21kworker/1:208:40:361
326659977,0cyclictest15040-21kworker/1:207:53:481
326659976,0cyclictest9811-21kworker/1:208:59:301
326659975,1cyclictest25-21ksoftirqd/107:20:001
326589977,0cyclictest17991-21kworker/0:211:15:110
326589976,1cyclictest4627-21lspci10:27:170
326589976,0cyclictest0-21swapper/011:50:170
326589975,1cyclictest660-21avahi-daemon09:30:210
326589974,2cyclictest660-21avahi-daemon12:12:120
326589974,2cyclictest660-21avahi-daemon11:40:060
326589974,2cyclictest660-21avahi-daemon09:16:210
326589974,2cyclictest649-21polkitd12:25:320
326589974,2cyclictest649-21polkitd10:02:060
326589974,2cyclictest24952-21sshd11:26:110
326589974,2cyclictest24952-21sshd11:26:100
326789965,0cyclictest0-21swapper/307:50:223
326789965,0cyclictest0-21swapper/307:15:013
326789963,2cyclictest1002-21snmpd08:29:573
326789963,2cyclictest1002-21snmpd08:07:443
326789960,5cyclictest0-21swapper/307:24:123
326699965,0cyclictest0-21swapper/209:09:542
326699963,2cyclictest1002-21snmpd08:04:562
326699963,2cyclictest1002-21snmpd07:47:492
326699963,2cyclictest1002-21snmpd07:25:312
326699960,5cyclictest0-21swapper/208:27:342
326659966,0cyclictest9811-21kworker/1:209:08:201
326659966,0cyclictest9811-21kworker/1:209:03:071
326659966,0cyclictest4910-21kworker/1:107:30:551
326659966,0cyclictest4910-21kworker/1:107:24:191
326659966,0cyclictest31973-21kworker/1:208:35:031
326659966,0cyclictest27900-21kworker/1:008:26:541
326659966,0cyclictest23830-21kworker/1:108:18:041
326659965,0cyclictest25-21ksoftirqd/107:45:011
326659964,0cyclictest4910-21kworker/1:107:39:531
326659962,1cyclictest25-21ksoftirqd/108:20:001
326659961,1cyclictest131rcu_sched08:54:591
326589965,0cyclictest0-21swapper/008:54:570
326589965,0cyclictest0-21swapper/007:54:580
326589964,1cyclictest9-21ksoftirqd/009:04:590
326589964,1cyclictest660-21avahi-daemon09:25:020
326589960,0cyclictest0-21swapper/008:37:270
326789954,0cyclictest0-21swapper/307:55:113
326789953,1cyclictest9563-21cut07:30:133
326789953,1cyclictest8481-21cat08:50:133
326789953,1cyclictest6480-21cat08:45:123
326789953,1cyclictest646-21lsmd07:26:113
326789953,1cyclictest24947-21ntp_states08:10:123
326789953,1cyclictest12587-21cat09:00:133
326789953,1cyclictest10552-21cat08:55:143
326789953,1cyclictest1002-21snmpd08:42:273
326789953,1cyclictest1002-21snmpd08:30:593
326789953,1cyclictest1002-21snmpd08:21:473
326789953,1cyclictest1002-21snmpd08:15:393
326789953,1cyclictest1002-21snmpd08:01:323
326789953,1cyclictest1002-21snmpd07:48:133
326789952,2cyclictest2062-21grep08:35:093
326699954,0cyclictest0-21swapper/208:15:142
326699953,1cyclictest9629-21seq08:52:432
326699953,1cyclictest663-21ModemManager07:15:002
326699953,1cyclictest33-21ksoftirqd/209:00:002
326699953,1cyclictest28645-21cat08:20:122
326699953,1cyclictest25431-21head08:10:152
326699953,1cyclictest13900-21crond09:04:592
326699953,1cyclictest13530-21diskstats07:40:122
326699953,1cyclictest1002-21snmpd08:47:392
326699953,1cyclictest1002-21snmpd08:35:262
326699953,1cyclictest1002-21snmpd08:09:092
326699953,1cyclictest1002-21snmpd07:53:562
326699953,1cyclictest1002-21snmpd07:31:162
326699953,1cyclictest1002-21snmpd07:24:062
326699953,1cyclictest0-21swapper/207:55:162
326699952,2cyclictest1088-21ntpd08:30:182
326699951,1cyclictest1308-21grep07:10:152
326659955,0cyclictest26430-21kworker/1:007:10:081
326659955,0cyclictest15040-21kworker/1:208:05:361
326659953,1cyclictest21745-21sed08:00:141
326659953,1cyclictest1002-21snmpd07:25:161
326659952,2cyclictest649-21polkitd07:45:001
326589953,1cyclictest6335-21sed08:45:120
326589953,1cyclictest4447-21cat08:40:130
326589953,1cyclictest19834-21mii-tool07:55:130
326589953,1cyclictest16152-21ntpq07:45:150
326589953,1cyclictest1002-21snmpd08:33:120
326589953,1cyclictest1002-21snmpd08:22:240
326589953,1cyclictest1002-21snmpd08:16:150
326589953,1cyclictest1002-21snmpd08:13:140
326589953,1cyclictest1002-21snmpd08:05:230
326589953,1cyclictest1002-21snmpd07:42:500
326589953,1cyclictest1002-21snmpd07:35:370
326589953,1cyclictest1002-21snmpd07:30:470
326589953,1cyclictest1002-21snmpd07:22:360
326589953,1cyclictest1002-21snmpd07:15:370
326589953,1cyclictest1002-21snmpd07:10:480
326589952,2cyclictest8084-21tr07:25:180
326589950,0cyclictest0-21swapper/008:26:070
326789942,1cyclictest13600-21tail07:40:113
326589942,1cyclictest14321-21expr09:05:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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