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2026-09-24 - 19:28
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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 all highest latencies:
System rackeslot2.osadl.org (updated Thu Sep 24, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127239721070,1sleep01272400-21cut12:19:140
120490021050,1sleep01204901-21sh11:41:060
9992572970,1sleep00-21swapper/009:44:160
77158099316,14cyclictest0-21swapper/010:42:090
77158099271,2cyclictest1283474-21awk12:25:000
771580992510,14cyclictest956482-21phc2sys-jitter09:19:190
2447398240,3rtkit-daemon1206-21snmpd10:06:261
2447398240,3rtkit-daemon1206-21snmpd10:06:261
771582992320,1cyclictest0-21swapper/211:05:012
77158299231,10cyclictest0-21swapper/211:48:532
77158099239,2cyclictest17850irq/132-ahci[0000:00:17.0]09:55:000
771580992313,9cyclictest942211-21cpuspeed_turbos09:14:090
771580992312,10cyclictest1026100-21kthreadcore09:59:170
77158099231,10cyclictest0-21swapper/010:29:230
771580992310,12cyclictest1085862-21kthreadcore10:34:150
77158199228,9cyclictest778-21dbus-daemon11:55:021
771581992215,6cyclictest24615-21JS14:54:061
77158099225,5cyclictest0-21swapper/011:04:220
77158099222,6cyclictest0-21swapper/007:34:160
77158099221,8cyclictest0-21swapper/011:24:150
771580992212,9cyclictest771578-21cyclictest07:56:540
771580992211,10cyclictest1194223-21missed_timers11:34:180
771580992211,10cyclictest1050726-21kthreadcore10:14:170
77158099221,10cyclictest0-21swapper/012:00:330
77158099221,10cyclictest0-21swapper/012:00:330
771580992210,11cyclictest778-21dbus-daemon11:20:010
77158099219,3cyclictest830927-21irqcore07:54:130
77158099215,2cyclictest0-21swapper/009:25:370
77158099214,5cyclictest0-21swapper/010:19:170
77158099213,7cyclictest0-21swapper/010:38:520
77158099212,7cyclictest0-21swapper/011:59:310
771580992113,7cyclictest963202-21kthreadcore09:24:160
771580992113,7cyclictest771578-21cyclictest07:39:140
771580992113,7cyclictest1259760-21cstates12:14:070
771580992113,7cyclictest1197307-21/usr/sbin/munin11:38:510
771580992112,8cyclictest902847-21kthreadcore08:44:150
771580992112,8cyclictest824983-21kthreadcore07:49:130
771580992112,8cyclictest24614-21JS14:54:060
771580992112,8cyclictest1223952-21aten_repower_fr11:53:580
771580992111,9cyclictest778500-21systemctl07:15:020
771580992111,9cyclictest1290625-21kthreadcore12:29:190
771580992111,9cyclictest1155560-21kthreadcore11:14:120
771580992111,9cyclictest1031474-21kthreadcore10:04:140
771580992110,10cyclictest932-1atopacctd10:49:210
771580992110,10cyclictest927334-21head09:04:130
771580992110,10cyclictest865880-21kthreadcore08:19:140
771580992110,10cyclictest817030-21irqcore07:44:130
771580992110,10cyclictest817030-21irqcore07:44:130
771580992110,10cyclictest1119339-21irqrtprio10:54:150
77158099210,9cyclictest882319-21grep08:29:170
2213291211,2phc2sys0-21swapper/311:24:153
77158299204,7cyclictest0-21swapper/209:43:522
77158199204,4cyclictest82050irq/121-eno109:58:531
771581992016,3cyclictest24615-21JS14:54:061
77158099209,3cyclictest907125-21kthreadcore08:49:130
77158099209,3cyclictest856399-21mailstats08:09:190
77158099209,10cyclictest874467-21kthreadcore08:24:150
77158099209,10cyclictest1182899-21kthreadcore11:29:190
77158099206,7cyclictest24616-21JS14:54:060
77158099205,4cyclictest0-21swapper/011:49:130
77158099203,8cyclictest1125091-1ssh10:55:090
77158099203,6cyclictest0-21swapper/012:08:570
77158099202,7cyclictest0-21swapper/009:10:020
77158099202,7cyclictest0-21swapper/009:10:020
77158099201,6cyclictest0-21swapper/011:06:420
771580992011,8cyclictest919182-21systemd08:55:020
771580992011,8cyclictest796423-21irqcore07:29:140
771580992011,8cyclictest782821-21kthreadcore07:19:150
771580992011,8cyclictest1039600-21ssh10:09:160
771580992011,8cyclictest1039600-21ssh10:09:160
771580992010,9cyclictest1306764-21kthreadcore12:39:140
771580992010,2cyclictest977991-21if_enp1s0.809:34:120
77158099200,8cyclictest891981-21/usr/sbin/munin08:39:080
77158299190,11cyclictest0-21swapper/211:43:502
77158099198,3cyclictest923929-21kthreadcore08:59:180
77158099198,3cyclictest789388-21irqcore07:24:140
77158099194,2cyclictest0-21swapper/012:31:250
77158099191,6cyclictest0-21swapper/010:23:000
77158099191,6cyclictest0-21swapper/009:46:180
2213291190,2phc2sys0-21swapper/312:30:573
2213291190,2phc2sys0-21swapper/312:05:563
2213291190,2phc2sys0-21swapper/311:52:573
2213291190,2phc2sys0-21swapper/311:34:133
9617372180,2sleep30-21swapper/309:24:153
9015022180,2sleep30-21swapper/308:44:143
771582991815,2cyclictest0-21swapper/212:05:012
771582991815,2cyclictest0-21swapper/212:05:012
771582991815,1cyclictest0-21swapper/211:56:092
771581991815,2cyclictest892047-21telnet08:38:541
771581991815,2cyclictest24648-21gmain09:21:431
771581991815,2cyclictest1288451-21kthreadcore12:29:181
771581991814,3cyclictest806840-21kthreadcore07:34:161
771581991814,3cyclictest24616-21JS14:54:061
77158099184,5cyclictest843712-21basename08:03:500
77158099180,2cyclictest885678-21df08:34:100
2213291180,2phc2sys0-21swapper/309:19:543
77158299177,4cyclictest0-21swapper/212:28:562
771582991713,2cyclictest0-21swapper/208:45:012
771582991713,2cyclictest0-21swapper/207:59:132
771582991711,2cyclictest0-21swapper/208:53:522
77158199174,8cyclictest992595-21awk09:40:001
77158199174,8cyclictest1274706-21awk12:20:001
771581991713,3cyclictest813-21systemd-logind12:00:041
771581991713,3cyclictest778-21dbus-daemon10:50:011
771581991713,3cyclictest677780-21systemd-journal07:30:011
771581991713,3cyclictest1129978-21kthreadcore10:59:191
771581991711,5cyclictest830493-21uniq07:54:111
77158199170,12cyclictest1169853-21ssh11:21:411
2213291171,3phc2sys0-21swapper/309:28:533
2213291170,3phc2sys0-21swapper/308:49:093
2213291170,2phc2sys0-21swapper/309:45:533
2213291170,1phc2sys0-21swapper/312:28:203
2213291170,1phc2sys0-21swapper/310:39:363
77158299161,6cyclictest0-21swapper/209:13:532
77158299161,6cyclictest0-21swapper/208:23:532
77158299161,4cyclictest0-21swapper/212:08:572
771582991614,1cyclictest0-21swapper/211:40:022
771582991614,1cyclictest0-21swapper/207:15:042
771582991613,1cyclictest0-21swapper/212:19:122
771582991613,1cyclictest0-21swapper/209:58:532
771582991613,1cyclictest0-21swapper/209:47:592
771582991613,1cyclictest0-21swapper/208:19:102
771582991613,1cyclictest0-21swapper/208:04:162
771582991612,2cyclictest0-21swapper/211:34:592
771581991613,2cyclictest778-21dbus-daemon07:15:021
771581991612,3cyclictest912117-21kworker/u16:1+nfsiod09:34:311
771581991612,3cyclictest810346-21irqrtprio07:39:141
771581991612,3cyclictest778-21dbus-daemon11:40:021
771581991612,3cyclictest771578-21cyclictest07:49:101
2213291160,5phc2sys0-21swapper/311:40:223
2213291160,2phc2sys0-21swapper/312:11:333
2213291160,2phc2sys0-21swapper/310:42:123
77158299159,3cyclictest8008732sleep207:29:182
77158299154,5cyclictest0-21swapper/211:13:492
771582991512,1cyclictest0-21swapper/211:18:192
771582991512,1cyclictest0-21swapper/210:09:212
771582991512,1cyclictest0-21swapper/210:09:212
771582991512,1cyclictest0-21swapper/209:29:312
771582991512,1cyclictest0-21swapper/207:34:152
771582991511,2cyclictest0-21swapper/210:24:132
771582991511,2cyclictest0-21swapper/207:11:492
771582991510,2cyclictest0-21swapper/210:03:522
77158299150,13cyclictest0-21swapper/212:33:592
77158299150,10cyclictest0-21swapper/212:23:502
77158199159,5cyclictest911500-21processes08:49:171
77158199158,3cyclictest1157123-21kthreadcore11:14:131
771581991512,2cyclictest939727-21diskmemload12:04:541
771581991512,2cyclictest939727-21diskmemload12:04:541
771581991512,2cyclictest797-21polkitd08:30:021
771581991512,2cyclictest771578-21cyclictest09:14:211
771581991512,2cyclictest1143434-21sh11:06:391
771581991512,2cyclictest1136576-21if_eno111:04:131
771581991511,3cyclictest912117-21kworker/u16:1+nfsiod11:25:581
771581991511,3cyclictest791007-21kthreadcore07:24:151
771581991511,3cyclictest24616-21JS14:54:061
771581991511,3cyclictest1306709-21kthreadcore12:39:141
771581991511,3cyclictest1215278-21cpu11:49:101
771581991511,3cyclictest1163284-21irqcore11:19:121
771581991511,3cyclictest1118066-21aten_repower_cu10:53:541
771581991511,3cyclictest1047615-21aten_repower_cu10:13:541
771581991511,3cyclictest1035162-21kthreadcore10:04:161
771581991511,3cyclictest1007539-21kthreadcore09:49:141
2213291151,3phc2sys0-21swapper/308:58:553
2213291150,3phc2sys0-21swapper/312:02:543
2213291150,3phc2sys0-21swapper/312:02:543
2213291150,3phc2sys0-21swapper/307:55:543
2213291150,2phc2sys0-21swapper/310:45:443
2213291150,2phc2sys0-21swapper/309:52:143
2213291150,1phc2sys0-21swapper/310:34:273
77158299147,5cyclictest975692-21chrt09:30:592
77158299141,5cyclictest0-21swapper/209:18:522
771582991412,1cyclictest0-21swapper/209:50:282
771582991411,1cyclictest0-21swapper/211:25:012
771582991411,1cyclictest0-21swapper/210:50:562
771582991411,1cyclictest0-21swapper/210:39:132
771582991411,1cyclictest0-21swapper/210:30:322
771582991411,1cyclictest0-21swapper/210:13:262
771582991410,2cyclictest0-21swapper/211:54:142
77158299140,12cyclictest0-21swapper/212:12:112
77158199142,7cyclictest1212866-21perf11:45:011
771581991411,2cyclictest918534-21sendmail_mailqu08:54:201
771581991411,2cyclictest888153-21kthreadcore08:34:161
771581991411,2cyclictest860515-21kthreadcore08:14:151
771581991411,2cyclictest843171-21systemd-run08:00:021
771581991411,2cyclictest778-21dbus-daemon09:55:011
771581991411,2cyclictest24472-21rtkit-daemon09:25:361
771581991411,2cyclictest1257307-21systemd-run12:10:011
771581991411,2cyclictest1057396-21irqcore10:19:131
771581991410,3cyclictest998447-21kthreadcore09:44:151
771581991410,3cyclictest935414-21kthreadcore09:09:131
771581991410,3cyclictest935414-21kthreadcore09:09:131
771581991410,3cyclictest902462-21kthreadcore08:44:151
77158199140,2cyclictest950685-21ssh09:18:531
2213291140,2phc2sys0-21swapper/312:35:303
2213291140,2phc2sys0-21swapper/309:57:263
2213291140,1phc2sys0-21swapper/309:08:533
2213291140,1phc2sys0-21swapper/309:08:533
77158299139,2cyclictest0-21swapper/211:28:152
77158299139,2cyclictest0-21swapper/207:44:152
77158299139,2cyclictest0-21swapper/207:44:152
77158299138,3cyclictest0-21swapper/208:33:092
771582991311,1cyclictest0-21swapper/212:37:172
771582991311,1cyclictest0-21swapper/211:08:552
771582991310,2cyclictest0-21swapper/209:24:162
771582991310,1cyclictest0-21swapper/210:46:582
771582991310,1cyclictest0-21swapper/209:04:172
771582991310,1cyclictest0-21swapper/208:29:162
771582991310,1cyclictest0-21swapper/208:09:172
771582991310,1cyclictest0-21swapper/207:54:092
771582991310,1cyclictest0-21swapper/207:39:152
771582991310,1cyclictest0-21swapper/207:21:592
77158199139,3cyclictest921877-21kthreadcore08:59:171
77158199139,3cyclictest851835-21irqrtprio08:09:131
77158199139,3cyclictest771578-21cyclictest07:19:141
77158199138,4cyclictest0-21swapper/112:24:151
77158199137,5cyclictest1-21systemd07:10:011
77158199136,2cyclictest939727-21diskmemload10:21:231
771581991310,2cyclictest939727-21diskmemload12:14:091
771581991310,2cyclictest927269-21gltestperf09:04:131
771581991310,2cyclictest778-21dbus-daemon07:45:021
771581991310,2cyclictest778-21dbus-daemon07:45:021
771581991310,2cyclictest24615-21JS14:54:061
771581991310,2cyclictest1101203-21fschecks_time10:44:101
771581991310,2cyclictest1084477-21kthreadcore10:34:141
2213291130,3phc2sys0-21swapper/312:18:503
2213291130,2phc2sys0-21swapper/310:18:153
2213291130,2phc2sys0-21swapper/308:08:523
2213291130,2phc2sys0-21swapper/308:02:593
77158299129,1cyclictest0-21swapper/210:25:272
77158299129,1cyclictest0-21swapper/210:15:492
77158299129,1cyclictest0-21swapper/209:35:562
77158299129,1cyclictest0-21swapper/208:57:022
77158299129,1cyclictest0-21swapper/208:14:092
77158299129,1cyclictest0-21swapper/207:45:502
77158299124,5cyclictest0-21swapper/208:48:512
771582991210,1cyclictest0-21swapper/210:40:552
771582991210,1cyclictest0-21swapper/209:05:432
771582991210,1cyclictest0-21swapper/209:05:432
77158299120,7cyclictest891843-21taskset08:37:002
77158199129,2cyclictest848134-21kthreadcore08:04:141
77158199129,2cyclictest1188910-21cpuspeed_turbos11:34:101
2213291121,3phc2sys0-21swapper/311:28:563
2213291120,4phc2sys0-21swapper/307:18:533
2213291120,2phc2sys0-21swapper/311:04:023
2213291120,2phc2sys0-21swapper/310:01:303
2213291120,2phc2sys0-21swapper/308:24:263
77158299118,1cyclictest0-21swapper/210:55:152
2213291112,2phc2sys0-21swapper/311:15:333
2213291111,4phc2sys0-21swapper/307:38:533
2213291111,3phc2sys0-21swapper/311:09:233
2213291111,2phc2sys0-21swapper/309:42:563
2213291111,2phc2sys0-21swapper/309:39:363
2213291111,2phc2sys0-21swapper/307:24:153
2213291110,5phc2sys0-21swapper/310:08:573
2213291110,5phc2sys0-21swapper/310:08:573
2213291110,1phc2sys0-21swapper/309:01:123
2213291110,1phc2sys0-21swapper/307:10:293
2213291101,4phc2sys0-21swapper/312:23:513
2213291101,4phc2sys0-21swapper/311:13:503
2213291101,2phc2sys0-21swapper/310:10:063
2213291101,2phc2sys0-21swapper/309:33:223
2213291101,2phc2sys0-21swapper/308:39:113
2213291101,2phc2sys0-21swapper/307:35:023
2213291101,1phc2sys0-21swapper/310:52:393
2213291100,3phc2sys0-21swapper/311:58:093
2213291100,3phc2sys0-21swapper/309:14:103
2213291100,2phc2sys0-21swapper/310:55:523
2213291100,2phc2sys0-21swapper/310:26:023
2213291100,2phc2sys0-21swapper/308:50:053
2213291100,2phc2sys0-21swapper/307:43:513
2213291100,2phc2sys0-21swapper/307:43:513
2213291100,2phc2sys0-21swapper/307:28:523
2213291100,1phc2sys0-21swapper/308:25:523
2213291100,1phc2sys0-21swapper/307:52:213
7715829997,1cyclictest0-21swapper/207:10:022
7715809990,1cyclictest175327-1atop07:10:010
221329192,3phc2sys0-21swapper/311:36:043
221329191,2phc2sys0-21swapper/307:09:123
221329190,2phc2sys0-21swapper/311:47:403
221329190,2phc2sys0-21swapper/310:21:213
221329190,2phc2sys0-21swapper/308:31:543
221329190,2phc2sys0-21swapper/308:14:093
221329181,2phc2sys0-21swapper/308:16:103
221329180,2phc2sys0-21swapper/307:48:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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