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2026-09-12 - 01:17
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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 Fri Sep 11, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27027822930,2sleep30-21swapper/311:24:343
24362372850,1sleep00-21swapper/008:49:330
26334022460,2sleep12633140-21ssh10:44:351
27942052390,1sleep10-21swapper/112:15:031
25197482270,2sleep00-21swapper/009:39:390
229926199239,4cyclictest2265110-21kworker/u16:1-events_unbound10:29:260
28038422220,2sleep10-21swapper/112:21:561
2299261992211,7cyclictest2782397-21kthreadcore12:09:390
229926199217,8cyclictest0-21swapper/009:29:140
2299261992112,5cyclictest2697156-21latency_hist11:20:020
2299261992012,7cyclictest2570522-21kthreadcore10:09:390
23312842190,1sleep00-21swapper/007:34:340
229926599193,7cyclictest0-21swapper/209:24:112
229926599192,13cyclictest0-21swapper/209:54:112
2299265991912,3cyclictest0-21swapper/210:16:172
2299263991916,2cyclictest24617-21JS14:54:061
2299263991916,2cyclictest24610-21gmain12:17:251
2299263991911,2cyclictest61901-21gmain07:14:341
2299261991912,6cyclictest24615-21JS14:54:060
2213291191,3phc2sys0-21swapper/310:41:373
2213291191,3phc2sys0-21swapper/308:09:303
2299265991815,1cyclictest0-21swapper/212:35:012
229926399181,3cyclictest2391404-21latency_hist08:15:021
229926199189,5cyclictest2676017-21kthreadcore11:09:330
229926199189,5cyclictest2620279-21cstates10:39:280
2213291181,6phc2sys0-21swapper/307:14:103
2299265991714,1cyclictest0-21swapper/211:26:452
2299265991714,1cyclictest0-21swapper/211:25:022
2299265991714,1cyclictest0-21swapper/208:25:012
2299263991714,2cyclictest2820517-21latency_hist12:30:021
2299263991714,2cyclictest2576130-21cstates10:14:271
2299263991713,3cyclictest2703425-21kthreadcore11:24:341
2299263991713,3cyclictest2606081-21kthreadcore10:29:351
2299263991710,3cyclictest2764069-21kthreadcore11:59:341
2299263991710,3cyclictest2640600-21kthreadcore10:49:371
2299263991710,3cyclictest2519377-21missed_timers09:39:361
229926199179,4cyclictest2722944-21ssh11:34:410
229926199179,4cyclictest2488884-21ssh09:24:330
229926199178,6cyclictest2750128-21systemd11:50:030
2299261991714,2cyclictest376-21systemd-journal07:15:030
2299261991713,3cyclictest24616-21JS14:54:060
2299261991710,6cyclictest2736135-21kthreadcore11:44:320
2213291170,2phc2sys0-21swapper/310:59:183
2213291170,2phc2sys0-21swapper/310:06:563
2213291170,2phc2sys0-21swapper/310:00:443
2213291170,2phc2sys0-21swapper/309:40:473
2213291170,1phc2sys0-21swapper/309:56:273
2299265991614,1cyclictest0-21swapper/211:50:532
2299265991613,1cyclictest0-21swapper/212:30:022
2299265991613,1cyclictest0-21swapper/210:09:352
2299265991613,1cyclictest0-21swapper/209:39:302
2299265991612,2cyclictest0-21swapper/210:22:202
2299265991612,1cyclictest0-21swapper/212:35:242
229926399169,3cyclictest2731510-21/usr/sbin/munin11:39:381
229926399169,3cyclictest2731510-21/usr/sbin/munin11:39:381
2299263991613,2cyclictest24472-21rtkit-daemon10:15:351
2299263991613,2cyclictest2406476-21fschecks_count08:29:301
2299263991613,2cyclictest0-21swapper/109:05:021
2299263991612,3cyclictest2723451-21kworker/u16:0+nfsiod12:07:321
2299263991612,3cyclictest2648549-21kthreadcore10:54:341
2299263991612,3cyclictest2626389-21munin-run10:40:011
2299263991612,3cyclictest2555691-21kworker/u16:2+nfsiod10:08:451
2299263991612,3cyclictest2341453-21kthreadcore07:39:351
2299263991612,3cyclictest2341453-21kthreadcore07:39:351
229926199166,5cyclictest2611586-21fschecks_count10:34:310
229926199166,5cyclictest0-21swapper/010:49:350
229926199164,2cyclictest491rcuog/209:55:020
2299261991613,2cyclictest778-21dbus-daemon10:05:020
2299261991613,2cyclictest24472-21rtkit-daemon11:14:440
2299261991612,3cyclictest2725909-21aten_repower_vo11:39:250
2299261991612,3cyclictest2725909-21aten_repower_vo11:39:250
2299261991612,3cyclictest24617-21JS14:54:060
229926199161,11cyclictest2760891-21apt-get11:59:110
229926199160,12cyclictest2653965-21ssh10:56:550
2213291161,2phc2sys0-21swapper/310:39:333
2299265991512,1cyclictest0-21swapper/212:21:582
2299265991512,1cyclictest0-21swapper/212:09:352
2299265991512,1cyclictest0-21swapper/211:15:012
2299265991512,1cyclictest0-21swapper/210:45:012
2299265991512,1cyclictest0-21swapper/210:40:012
2299265991512,1cyclictest0-21swapper/210:05:012
2299265991512,1cyclictest0-21swapper/209:34:152
2299265991512,1cyclictest0-21swapper/209:29:142
2299265991512,1cyclictest0-21swapper/209:19:312
2299265991512,1cyclictest0-21swapper/209:10:302
2299265991512,1cyclictest0-21swapper/208:15:412
229926599150,13cyclictest0-21swapper/210:14:552
229926399159,2cyclictest82050irq/121-eno112:32:111
229926399155,3cyclictest82050irq/121-eno110:59:121
2299263991512,2cyclictest778-21dbus-daemon09:15:021
2299263991512,2cyclictest2694043-21kthreadcore11:19:351
2299263991512,2cyclictest2673965-21grep11:09:311
2299263991512,2cyclictest2378116-21sshd-session08:07:251
2299263991512,2cyclictest1206-21snmpd09:48:341
2299263991511,3cyclictest2749137-21phc2sys-jitter11:49:371
2299263991511,3cyclictest2635530-21kworker/u16:4+nfsiod11:10:391
2299263991511,3cyclictest2563142-21kthreadcore10:04:351
2299263991511,3cyclictest2462273-21irqcore09:09:321
2299263991511,3cyclictest2424411-21kthreadcore08:39:371
2299263991511,3cyclictest2398126-21unixbench_multi08:19:411
2299263991511,3cyclictest2375380-21kthreadcore08:04:351
2299263991511,3cyclictest2348706-21kthreadcore07:44:341
2299263991511,3cyclictest2325574-21kthreadcore07:29:341
2299263991511,3cyclictest2265110-21kworker/u16:1+nfsiod11:43:041
2299263991510,3cyclictest2600004-21latency_hist10:25:021
229926199159,2cyclictest2447398rtkit-daemon10:54:390
229926199155,2cyclictest0-21swapper/009:14:340
229926199151,9cyclictest2523457-21hddtemp_smartct09:44:310
229926199151,2cyclictest2363830-21awk07:55:010
2299261991512,2cyclictest2797048-21fschecks_time12:19:290
2299261991512,2cyclictest2711204-21kthreadcore11:29:410
2299261991512,2cyclictest2299259-21cyclictest10:40:410
2299261991511,3cyclictest2723451-21kworker/u16:0+nfsiod12:30:370
2299261991511,3cyclictest2661677-21kworker/u16:2+nfsiod11:22:560
2299261991511,3cyclictest2555691-21kworker/u16:2+nfsiod10:19:010
2299261991511,3cyclictest2550138-21irqcore09:59:320
2299261991511,3cyclictest2441540-21irqcore08:54:320
2299261991511,3cyclictest2317587-21kthreadcore07:24:330
2299261991511,2cyclictest2306862-21kthreadcore07:15:020
229926199150,13cyclictest2793981-21grep12:15:010
2213291150,3phc2sys0-21swapper/312:13:383
2213291150,2phc2sys0-21swapper/311:56:413
2213291150,2phc2sys0-21swapper/311:54:043
2213291150,1phc2sys0-21swapper/308:44:563
229926599141,7cyclictest0-21swapper/208:59:132
229926599141,6cyclictest0-21swapper/209:44:122
229926599141,6cyclictest0-21swapper/208:34:122
229926599141,4cyclictest0-21swapper/211:39:112
229926599141,4cyclictest0-21swapper/211:39:112
2299265991412,1cyclictest0-21swapper/212:00:032
229926599141,1cyclictest0-21swapper/208:29:122
2299265991411,1cyclictest0-21swapper/211:45:012
2299265991411,1cyclictest0-21swapper/211:34:352
2299265991411,1cyclictest0-21swapper/211:19:402
2299265991411,1cyclictest0-21swapper/210:49:352
2299265991411,1cyclictest0-21swapper/209:46:352
2299265991411,1cyclictest0-21swapper/209:09:362
2299265991411,1cyclictest0-21swapper/208:44:302
2299265991411,1cyclictest0-21swapper/208:39:322
2299265991411,1cyclictest0-21swapper/208:09:342
2299265991411,1cyclictest0-21swapper/208:05:012
2299265991411,1cyclictest0-21swapper/207:55:262
2299265991411,1cyclictest0-21swapper/207:29:352
2299265991410,2cyclictest0-21swapper/211:08:252
2299265991410,2cyclictest0-21swapper/207:34:322
2299265991410,2cyclictest0-21swapper/207:22:322
229926399149,4cyclictest2770230-21tr12:04:271
229926399147,3cyclictest2712233-21kthreadcore11:29:411
229926399146,3cyclictest0-21swapper/111:50:251
229926399145,8cyclictest2418450-21cut08:34:371
229926399142,5cyclictest2540316-21ssh09:54:111
2299263991411,2cyclictest862-21gmain07:20:011
2299263991411,2cyclictest2832228-21head12:39:301
2299263991411,2cyclictest2522509-21/usr/sbin/munin09:44:321
2299263991411,2cyclictest24472-21rtkit-daemon09:19:101
2299263991411,2cyclictest2436635-21kthreadcore08:49:341
2299263991410,3cyclictest2720532-21kthreadcore11:34:351
2299263991410,3cyclictest2508139-21kthreadcore09:34:351
2299263991410,3cyclictest2501142-21kthreadcore09:29:381
2299263991410,3cyclictest2490501-21kthreadcore09:24:341
2299263991410,3cyclictest2452631-21kthreadcore08:59:361
2299263991410,3cyclictest2443685-21kthreadcore08:54:341
2299263991410,3cyclictest2400249-21kernelversion08:24:331
2299263991410,3cyclictest2352000-21irqrtprio07:49:321
2299263991410,3cyclictest1227-21sshd11:03:251
229926199145,5cyclictest0-21swapper/009:09:050
229926199145,5cyclictest0-21swapper/008:40:390
229926199145,5cyclictest0-21swapper/007:55:180
229926199142,7cyclictest0-21swapper/008:13:250
2299261991411,2cyclictest376-21systemd-journal07:40:010
2299261991411,2cyclictest376-21systemd-journal07:40:010
2299261991411,2cyclictest2808881-21kthreadcore12:24:330
2299261991411,2cyclictest2752122-21acpi11:54:100
2299261991411,2cyclictest2533010-21kthreadcore09:49:390
2299261991411,2cyclictest2506240-21irqrtprio09:34:330
2299261991411,2cyclictest24615-21JS14:54:060
2299261991411,2cyclictest2452999-21phc2sys-jitter08:59:380
2299261991411,2cyclictest2421066-21kernelversion08:39:350
2299261991411,2cyclictest2403242-21kthreadcore08:24:350
2299261991411,2cyclictest2393398-21kthreadcore08:19:340
2299261991411,2cyclictest2353806-21kthreadcore07:49:340
2299261991411,2cyclictest2344927-21irqcore07:44:310
2299261991410,3cyclictest2723451-21kworker/u16:0+nfsiod12:38:230
2299261991410,3cyclictest2594068-21gltestperf10:24:300
2299261991410,3cyclictest2458960-21kthreadcore09:04:350
229926199140,9cyclictest2770637-21gltestperf12:04:290
2213291140,7phc2sys0-21swapper/309:24:113
2213291140,3phc2sys0-21swapper/311:03:093
2213291140,3phc2sys0-21swapper/307:39:123
2213291140,3phc2sys0-21swapper/307:39:123
2213291140,2phc2sys0-21swapper/312:00:273
2213291140,2phc2sys0-21swapper/311:15:413
2213291140,2phc2sys0-21swapper/309:15:183
229926599136,2cyclictest0-21swapper/208:49:112
229926599134,4cyclictest0-21swapper/212:04:102
229926599132,4cyclictest0-21swapper/211:49:112
229926599131,7cyclictest0-21swapper/212:14:112
2299265991310,1cyclictest0-21swapper/210:57:552
2299265991310,1cyclictest0-21swapper/210:34:402
2299265991310,1cyclictest0-21swapper/209:56:502
2299265991310,1cyclictest0-21swapper/209:04:222
2299265991310,1cyclictest0-21swapper/208:14:312
2299265991310,1cyclictest0-21swapper/207:54:352
2299265991310,1cyclictest0-21swapper/207:49:372
2299265991310,1cyclictest0-21swapper/207:19:322
2299265991310,1cyclictest0-21swapper/207:15:012
229926399139,3cyclictest2427704-21irqcore08:44:321
229926399139,3cyclictest2360964-21kthreadcore07:54:351
2299263991310,2cyclictest2610890-21acpi10:34:121
2299263991310,2cyclictest2299259-21cyclictest07:59:091
2299263991310,2cyclictest1221-21lldpd09:59:351
229926199136,3cyclictest0-21swapper/010:12:520
2299261991310,2cyclictest24615-21JS14:54:060
2299261991310,2cyclictest2374419-21kthreadcore08:04:350
2299261991310,2cyclictest2324012-21irqcore07:29:320
2213291131,3phc2sys0-21swapper/308:54:383
2213291130,4phc2sys0-21swapper/312:34:323
2213291130,3phc2sys0-21swapper/307:07:283
2213291130,2phc2sys0-21swapper/312:27:533
2213291130,2phc2sys0-21swapper/311:13:053
2213291130,2phc2sys0-21swapper/311:05:463
2213291130,2phc2sys0-21swapper/310:18:573
2213291130,2phc2sys0-21swapper/309:26:193
229926599129,1cyclictest0-21swapper/210:55:022
229926599129,1cyclictest0-21swapper/207:44:332
229926599129,1cyclictest0-21swapper/207:10:012
2299265991210,1cyclictest0-21swapper/212:19:342
2299265991210,1cyclictest0-21swapper/211:04:342
2299265991210,1cyclictest0-21swapper/207:35:252
2299265991210,1cyclictest0-21swapper/207:35:252
229926399126,4cyclictest1221-21lldpd07:24:311
229926199129,2cyclictest2299463-21latency_hist07:10:030
229926199129,2cyclictest2299259-21cyclictest08:07:390
2213291120,2phc2sys0-21swapper/311:33:163
2213291120,2phc2sys0-21swapper/309:37:153
2213291120,2phc2sys0-21swapper/309:34:113
2213291120,2phc2sys0-21swapper/309:04:123
2213291120,1phc2sys0-21swapper/307:26:163
229926599119,1cyclictest0-21swapper/208:51:382
229926599118,1cyclictest0-21swapper/210:25:212
2213291116,2phc2sys0-21swapper/309:14:483
2213291113,2phc2sys0-21swapper/311:49:323
2213291112,2phc2sys0-21swapper/311:39:303
2213291112,2phc2sys0-21swapper/311:39:303
2213291111,4phc2sys0-21swapper/308:29:123
2213291111,2phc2sys0-21swapper/307:49:343
2213291110,3phc2sys0-21swapper/307:59:113
2213291110,2phc2sys0-21swapper/308:39:463
2213291110,1phc2sys0-21swapper/310:22:543
2213291110,1phc2sys0-21swapper/308:47:013
2213291110,1phc2sys0-21swapper/308:12:183
2213291110,1phc2sys0-21swapper/307:20:553
23745992100,2sleep30-21swapper/308:04:353
229926399101,3cyclictest2299077-21latency_hist07:10:021
2213291105,2phc2sys0-21swapper/310:13:123
2213291101,2phc2sys0-21swapper/312:09:563
2213291101,2phc2sys0-21swapper/309:54:553
2213291100,4phc2sys0-21swapper/312:39:103
2213291100,3phc2sys0-21swapper/312:18:193
2213291100,3phc2sys0-21swapper/311:29:283
2213291100,1phc2sys0-21swapper/308:18:233
221329191,3phc2sys0-21swapper/307:54:133
221329191,2phc2sys0-21swapper/310:31:443
221329190,2phc2sys0-21swapper/312:21:073
221329190,2phc2sys0-21swapper/311:40:473
221329190,2phc2sys0-21swapper/310:51:563
221329190,2phc2sys0-21swapper/310:45:393
221329190,2phc2sys0-21swapper/310:25:553
221329190,2phc2sys0-21swapper/309:46:253
221329190,2phc2sys0-21swapper/309:06:093
221329190,2phc2sys0-21swapper/308:34:303
221329190,2phc2sys0-21swapper/308:22:123
221329190,2phc2sys0-21swapper/307:42:503
221329190,2phc2sys0-21swapper/307:34:313
221329181,2phc2sys0-21swapper/308:56:233
221329180,1phc2sys0-21swapper/307:15:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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