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2026-09-21 - 17:50
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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 all highest latencies:
System rackeslot2.osadl.org (updated Mon Sep 21, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284846821150,1sleep00-21swapper/008:29:210
30211782980,2sleep30-21swapper/310:14:223
27986052900,2sleep30-21swapper/307:54:163
29564142340,2sleep30-21swapper/309:39:183
32306542320,1sleep10-21swapper/112:14:141
2739693992413,7cyclictest3262268-21kthreadcore12:29:200
28068592230,1sleep00-21swapper/007:59:180
2739694992218,2cyclictest1-21systemd07:15:031
2739694992215,3cyclictest2952624-21runrttasks09:35:371
2739693992213,5cyclictest2931244-21kthreadcore09:24:190
273969399221,1cyclictest2761482-21kthreadcore07:24:210
273969499218,3cyclictest0-21swapper/109:48:561
2739693992112,5cyclictest3117976-21kthreadcore11:09:220
2739693992112,5cyclictest3074417-21kthreadcore10:44:210
273969499209,4cyclictest0-21swapper/110:13:581
273969399208,7cyclictest0-21swapper/010:48:570
2739693992014,4cyclictest30593882sleep010:36:330
2739693992011,5cyclictest3102165-21phc2sys-jitter10:59:220
2213291201,7phc2sys0-21swapper/308:53:573
2739694991916,2cyclictest0-21swapper/111:09:161
273969399199,6cyclictest3169099-21kthreadcore11:39:190
273969399198,6cyclictest0-21swapper/009:15:010
273969399196,6cyclictest2967470-21kthreadcore09:44:200
2739693991915,3cyclictest3242117-21kthreadcore12:19:190
2739693991910,5cyclictest3185386-21/usr/sbin/munin11:49:180
2213291191,4phc2sys0-21swapper/307:08:573
2213291190,2phc2sys0-21swapper/311:40:353
2213291190,2phc2sys0-21swapper/308:34:183
2739695991815,1cyclictest0-21swapper/212:01:092
2739695991815,1cyclictest0-21swapper/211:44:132
2739695991815,1cyclictest0-21swapper/210:39:142
2739695991815,1cyclictest0-21swapper/209:49:132
2739694991815,2cyclictest862-21gmain09:43:131
2739694991814,3cyclictest2940492-21kthreadcore09:29:211
2739694991811,6cyclictest24615-21JS14:54:061
2739694991811,6cyclictest24615-21JS14:54:061
273969399189,5cyclictest2959705-21kthreadcore09:39:200
273969399188,6cyclictest0-21swapper/010:10:010
273969399187,6cyclictest0-21swapper/012:04:150
273969399187,5cyclictest3165763-21latency_hist11:35:030
2739693991814,3cyclictest2856994-21kthreadcore08:34:220
273969399181,1cyclictest3051663-21apt-get10:33:570
273969399180,13cyclictest0-21swapper/007:49:160
2213291181,6phc2sys0-21swapper/309:29:413
2213291180,2phc2sys0-21swapper/310:52:043
2213291180,2phc2sys0-21swapper/310:46:153
2213291180,2phc2sys0-21swapper/309:20:163
30075722170,1sleep10-21swapper/110:09:111
2739695991714,1cyclictest0-21swapper/212:05:092
2739695991714,1cyclictest0-21swapper/208:43:572
2739694991710,6cyclictest24617-21JS14:54:061
273969499170,12cyclictest3219887-21ssh12:06:241
273969399179,7cyclictest2907993-21systemd-run09:10:020
273969399177,2cyclictest0-21swapper/008:20:010
273969399174,8cyclictest3105578-21cpuspeed11:04:140
2739693991714,2cyclictest3094184-21ssh10:55:010
2739693991714,2cyclictest2784131-21sshd-session07:43:030
2739693991714,2cyclictest1188-21runrttasks12:31:590
2739693991713,3cyclictest2897610-21kthreadcore09:04:220
273969399170,5cyclictest2887299-21latency_hist08:55:030
2213291171,7phc2sys0-21swapper/311:38:573
2213291171,7phc2sys0-21swapper/307:38:573
2213291170,2phc2sys0-21swapper/310:17:483
2213291170,1phc2sys0-21swapper/310:34:313
28653542160,1sleep10-21swapper/108:39:241
2739695991613,1cyclictest0-21swapper/212:19:152
2739695991612,2cyclictest0-21swapper/211:34:232
2739695991612,2cyclictest0-21swapper/211:05:092
2739695991612,2cyclictest0-21swapper/210:44:182
2739695991612,2cyclictest0-21swapper/210:29:212
2739695991612,2cyclictest0-21swapper/207:14:092
273969499169,3cyclictest3197044-21kthreadcore11:54:191
2739694991613,2cyclictest3174307-21apt11:40:011
2739694991613,2cyclictest3090532-21kthreadcore10:54:211
2739694991613,2cyclictest3043242-21cpuspeed_turbos10:29:151
2739694991613,2cyclictest2907692-21diskmemload11:04:271
2739694991613,2cyclictest2739691-21cyclictest08:10:021
2739694991613,2cyclictest24648-21gmain09:18:151
2739694991613,2cyclictest24615-21JS14:54:061
2739694991612,3cyclictest2888739-21irqcore08:59:161
2739694991612,3cyclictest2878275-21kthreadcore08:49:211
2739694991611,4cyclictest3243571-21tr12:19:201
2739693991613,2cyclictest778-21dbus-daemon11:15:030
2739693991613,2cyclictest2943415-21latency_hist09:30:020
2739693991613,2cyclictest24815-21gsd-power08:36:460
2739693991612,3cyclictest2972341-21cpuspeed_turbos09:49:130
2213291161,9phc2sys0-21swapper/308:48:583
2213291160,4phc2sys0-21swapper/311:18:583
2213291160,3phc2sys0-21swapper/310:02:123
2213291160,2phc2sys0-21swapper/312:39:513
2213291160,2phc2sys0-21swapper/312:23:393
2213291160,2phc2sys0-21swapper/311:26:463
28124352150,2sleep1341rcuc/108:04:161
273969599151,7cyclictest0-21swapper/211:53:562
2739695991513,1cyclictest0-21swapper/210:00:032
2739695991513,1cyclictest0-21swapper/207:23:282
2739695991512,2cyclictest0-21swapper/210:04:182
2739695991512,1cyclictest0-21swapper/211:27:072
2739695991512,1cyclictest0-21swapper/211:19:182
2739695991512,1cyclictest0-21swapper/211:13:092
2739695991512,1cyclictest0-21swapper/210:35:012
2739695991512,1cyclictest0-21swapper/210:24:232
2739695991512,1cyclictest0-21swapper/209:26:082
2739695991512,1cyclictest0-21swapper/208:57:592
2739695991512,1cyclictest0-21swapper/208:24:142
2739695991511,2cyclictest0-21swapper/211:05:012
273969599150,13cyclictest0-21swapper/207:28:562
273969499156,4cyclictest0-21swapper/109:53:571
273969499156,4cyclictest0-21swapper/109:53:571
273969499155,5cyclictest66-21kauditd07:35:021
2739694991513,1cyclictest61901-21gmain11:28:021
2739694991512,2cyclictest677780-21systemd-journal09:00:031
2739694991512,2cyclictest677780-21systemd-journal08:30:011
2739694991512,2cyclictest3158706-21aten_repower_cu11:34:001
2739694991512,2cyclictest2887213-21latency_hist08:55:021
2739694991512,2cyclictest24616-21JS14:54:061
2739694991512,2cyclictest24615-21JS14:54:061
2739694991511,3cyclictest3278483-21kthreadcore12:39:211
2739694991511,3cyclictest3248245-21cpuspeed_turbos12:24:121
2739694991511,3cyclictest3123267-21aten_repower_po11:14:071
2739694991511,3cyclictest3100723-21kthreadcore10:59:191
2739694991511,3cyclictest3094120-21kworker/u16:3+nfsiod12:03:441
2739694991511,3cyclictest3081342-21kthreadcore10:49:201
2739694991511,3cyclictest3054596-21kthreadcore10:34:191
2739694991511,3cyclictest3037103-21kthreadcore10:24:201
2739694991511,3cyclictest3022956-21kworker/u16:0+nfsiod11:24:341
2739694991511,3cyclictest2933502-21pmu-power09:24:231
2739694991511,3cyclictest2903382-21kthreadcore09:09:201
2739694991511,3cyclictest2806123-21irqrtprio07:59:181
2739694991511,3cyclictest2771792-21kthreadcore07:34:181
2739694991511,3cyclictest2739691-21cyclictest09:14:201
2739694991510,4cyclictest3204516-21cut11:59:191
273969499150,13cyclictest2907692-21diskmemload12:28:491
273969399158,6cyclictest3136911-21kthreadcore11:19:220
273969399157,7cyclictest0-21swapper/011:25:030
273969399157,4cyclictest0-21swapper/012:24:170
273969399156,5cyclictest3230986-21if_err_eno112:14:170
273969399156,2cyclictest0-21swapper/010:18:150
273969399155,5cyclictest0-21swapper/009:34:220
273969399151,9cyclictest2770392-21/usr/sbin/munin07:34:120
2739693991512,2cyclictest85-21kswapd011:44:140
2739693991512,2cyclictest813-21systemd-logind12:10:010
2739693991512,2cyclictest777-21avahi-daemon07:25:060
2739693991512,2cyclictest2992482-21kthreadcore09:59:190
2739693991512,2cyclictest2755957-21grep07:20:010
2739693991512,2cyclictest24616-21JS14:54:060
2739693991511,3cyclictest3204715-21kthreadcore11:59:200
2739693991511,3cyclictest3198273-21kthreadcore11:54:190
2739693991511,3cyclictest3094120-21kworker/u16:3+nfsiod11:25:140
2739693991511,3cyclictest3037103-21kthreadcore10:24:200
2739693991511,3cyclictest2890647-21kthreadcore08:59:170
2739693991511,3cyclictest2874942-21irqcore08:49:180
2739693991511,3cyclictest2826640-21irqcore08:14:180
2739693991511,3cyclictest2744481-21kthreadcore07:14:200
2213291151,3phc2sys0-21swapper/307:24:203
2213291150,5phc2sys0-21swapper/311:00:253
2213291150,2phc2sys0-21swapper/311:59:203
2213291150,2phc2sys0-21swapper/310:42:173
2213291150,2phc2sys0-21swapper/309:44:013
2213291150,2phc2sys0-21swapper/309:14:223
273969599141,8cyclictest0-21swapper/211:38:572
2739695991412,1cyclictest0-21swapper/209:45:012
2739695991411,2cyclictest0-21swapper/208:49:182
2739695991411,2cyclictest0-21swapper/207:43:582
2739695991411,1cyclictest0-21swapper/212:39:212
2739695991411,1cyclictest0-21swapper/212:30:012
2739695991411,1cyclictest0-21swapper/211:59:182
2739695991411,1cyclictest0-21swapper/211:47:052
2739695991411,1cyclictest0-21swapper/210:54:212
2739695991411,1cyclictest0-21swapper/210:45:592
2739695991411,1cyclictest0-21swapper/209:20:012
2739695991411,1cyclictest0-21swapper/209:09:202
2739695991411,1cyclictest0-21swapper/209:04:212
2739695991411,1cyclictest0-21swapper/208:52:092
2739695991411,1cyclictest0-21swapper/208:19:172
2739695991411,1cyclictest0-21swapper/208:14:162
2739695991411,1cyclictest0-21swapper/207:59:152
2739695991410,2cyclictest0-21swapper/212:14:202
2739695991410,2cyclictest0-21swapper/209:54:152
2739695991410,2cyclictest0-21swapper/209:54:152
2739695991410,2cyclictest0-21swapper/208:34:032
273969499148,3cyclictest2739691-21cyclictest11:47:431
273969499147,2cyclictest82050irq/121-eno108:33:591
273969499144,6cyclictest2739691-21cyclictest10:02:531
273969499141,7cyclictest2790464-21munin-run07:45:001
2739694991411,2cyclictest2762691-21unixbench_multi07:24:261
2739694991411,2cyclictest2750733-21irqcore07:19:191
2739694991411,2cyclictest2739767-21systemd-run07:10:021
2739694991411,2cyclictest2739691-21cyclictest08:14:071
2739694991410,3cyclictest3137881-21ptp4l11:19:251
2739694991410,3cyclictest3060759-21aten_repower_po10:39:081
2739694991410,3cyclictest2948150-21kthreadcore09:34:211
2739694991410,3cyclictest2842684-21kthreadcore08:24:201
2739694991410,3cyclictest2837231-21kthreadcore08:19:201
2739694991410,3cyclictest2801246-21kthreadcore07:54:211
2739694991410,3cyclictest2746861-21kworker/u16:1+nfsiod09:56:261
273969399144,6cyclictest0-21swapper/007:39:030
273969399141,1cyclictest2980811-21apt-get09:53:570
273969399141,1cyclictest2980811-21apt-get09:53:570
2739693991411,2cyclictest3017666-21kthreadcore10:14:210
2739693991411,2cyclictest2813705-21kthreadcore08:04:200
2739693991410,3cyclictest3278626-21kthreadcore12:39:210
2739693991410,3cyclictest2870032-21kthreadcore08:44:210
2739693991410,3cyclictest2841185-21kthreadcore08:24:190
2739693991410,3cyclictest2799282-21irqrtprio07:54:190
2213291140,2phc2sys0-21swapper/312:05:023
2739695991311,1cyclictest0-21swapper/212:31:352
2739695991311,1cyclictest0-21swapper/210:15:192
2739695991311,1cyclictest0-21swapper/209:37:562
2739695991311,1cyclictest0-21swapper/209:24:192
2739695991311,1cyclictest0-21swapper/207:35:022
2739695991311,1cyclictest0-21swapper/207:19:212
2739695991310,2cyclictest0-21swapper/209:33:582
2739695991310,2cyclictest0-21swapper/207:34:192
2739695991310,1cyclictest0-21swapper/212:24:162
2739695991310,1cyclictest0-21swapper/211:24:182
2739695991310,1cyclictest0-21swapper/210:56:232
2739695991310,1cyclictest0-21swapper/210:11:232
2739695991310,1cyclictest0-21swapper/210:09:202
2739695991310,1cyclictest0-21swapper/208:39:232
2739695991310,1cyclictest0-21swapper/208:29:202
2739695991310,1cyclictest0-21swapper/208:09:042
2739695991310,1cyclictest0-21swapper/208:04:202
2739695991310,1cyclictest0-21swapper/207:54:212
2739695991310,1cyclictest0-21swapper/207:49:182
273969499139,3cyclictest3180403-21kthreadcore11:44:181
273969399134,4cyclictest0-21swapper/010:26:580
273969399131,1cyclictest491rcuog/209:17:300
2739693991310,2cyclictest2999293-21gltestperf10:04:160
273969599129,1cyclictest0-21swapper/207:10:012
2739695991210,1cyclictest0-21swapper/209:10:582
273969399121,5cyclictest2739743-21cat07:10:020
2213291120,2phc2sys0-21swapper/312:16:583
2213291120,2phc2sys0-21swapper/312:12:093
2213291120,2phc2sys0-21swapper/310:38:573
2213291120,2phc2sys0-21swapper/310:22:213
2213291120,1phc2sys0-21swapper/307:19:233
2213291111,5phc2sys0-21swapper/307:58:573
2213291111,2phc2sys0-21swapper/312:34:183
2213291111,2phc2sys0-21swapper/312:29:133
2213291110,2phc2sys0-21swapper/310:59:143
2213291110,1phc2sys0-21swapper/310:05:273
2213291110,1phc2sys0-21swapper/309:56:043
29182112100,3sleep30-21swapper/309:17:503
2213291101,2phc2sys0-21swapper/311:08:283
2213291101,2phc2sys0-21swapper/309:33:103
2213291100,4phc2sys0-21swapper/311:34:003
2213291100,2phc2sys0-21swapper/312:09:493
2213291100,2phc2sys0-21swapper/311:45:123
2213291100,2phc2sys0-21swapper/311:14:563
2213291100,2phc2sys0-21swapper/310:26:183
2213291100,2phc2sys0-21swapper/309:50:103
2213291100,2phc2sys0-21swapper/309:50:103
2213291100,2phc2sys0-21swapper/309:48:063
2213291100,2phc2sys0-21swapper/308:58:553
2213291100,2phc2sys0-21swapper/308:38:593
2213291100,2phc2sys0-21swapper/308:14:263
2213291100,2phc2sys0-21swapper/307:31:093
2213291100,2phc2sys0-21swapper/307:28:563
2213291100,1phc2sys0-21swapper/309:03:123
2791062291,5sleep30-21swapper/307:48:563
221329191,4phc2sys0-21swapper/308:28:593
221329191,2phc2sys0-21swapper/311:23:153
221329191,2phc2sys0-21swapper/309:09:173
221329190,2phc2sys0-21swapper/311:50:093
221329190,2phc2sys0-21swapper/308:44:243
221329190,2phc2sys0-21swapper/308:24:563
221329190,2phc2sys0-21swapper/308:19:233
221329190,2phc2sys0-21swapper/307:43:593
221329190,2phc2sys0-21swapper/307:15:023
221329180,2phc2sys0-21swapper/308:05:053
221329180,2phc2sys0-21swapper/308:00:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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