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2026-03-17 - 18:47
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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 rackeslot2.osadl.org (updated Tue Mar 17, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2319038992620,2cyclictest134050irq/121-eno112:05:011
2319037992619,6cyclictest1288-1atopacctd12:10:020
24883792250,2sleep30-21swapper/309:21:373
2319037992515,6cyclictest2515522-21kthreadcore09:36:370
2319037992415,5cyclictest2700602-21kthreadcore11:21:360
2319037992315,7cyclictest0-21swapper/012:16:290
2319039992219,1cyclictest0-21swapper/211:30:002
231903799229,6cyclictest0-21swapper/011:59:460
2319037992213,5cyclictest2481947-21switchtime09:16:420
2319037992212,5cyclictest0-21swapper/012:01:290
2319039992118,1cyclictest0-21swapper/211:40:002
2319038992114,3cyclictest2696040-21runrttasks11:19:391
2319038992112,3cyclictest0-21swapper/111:10:001
2319037992118,2cyclictest2793466-21systemd-run12:15:000
2319037992118,2cyclictest2537568-21sh09:50:000
2319037992118,2cyclictest1288-1atopacctd12:26:380
2319037992114,6cyclictest2732332-21runrttasks11:40:270
2319039992017,1cyclictest0-21swapper/212:15:012
2319039992017,1cyclictest0-21swapper/210:00:022
2319038992017,2cyclictest1329-21rs:main1
2319038992013,3cyclictest2784119-21runrttasks12:09:131
2319038992013,3cyclictest2658476-21phc2sys-jitter10:56:411
2319037992017,2cyclictest2544503-21kworker/u16:2-rpciod10:55:000
2319037992017,2cyclictest1327-21in:imuxsock11:10:000
2649091191,5phc2sys0-21swapper/310:55:093
2649091190,2phc2sys0-21swapper/312:08:113
2319039991917,1cyclictest0-21swapper/209:10:022
2319039991916,1cyclictest0-21swapper/210:55:012
2319039991916,1cyclictest0-21swapper/207:45:002
231903799199,5cyclictest0-21swapper/010:36:400
2319037991912,6cyclictest0-21swapper/011:15:010
231903799191,13cyclictest0-21swapper/009:28:340
2319037991910,4cyclictest0-21swapper/009:10:010
2649091185,2phc2sys0-21swapper/309:55:503
2649091180,2phc2sys0-21swapper/312:01:423
2319039991816,1cyclictest0-21swapper/210:31:292
231903899189,5cyclictest2535117-21awk09:46:441
231903899188,4cyclictest2738439-21timerwakeupswit11:41:441
2319038991815,2cyclictest2590694-21systemd-run10:20:021
2319038991814,3cyclictest1-21systemd07:45:001
2319038991812,2cyclictest134050irq/121-eno109:28:341
2319038991811,3cyclictest2764879-21unixbench_singl11:56:441
2319038991811,2cyclictest0-21swapper/109:35:011
2319038991810,4cyclictest2596429-21/usr/sbin/munin10:21:371
2319037991815,2cyclictest29021-21rtkit-daemon11:46:450
2649091170,4phc2sys0-21swapper/310:07:323
2649091170,2phc2sys0-21swapper/312:16:193
2649091170,2phc2sys0-21swapper/311:23:463
2319039991715,1cyclictest0-21swapper/207:15:012
2319039991714,1cyclictest0-21swapper/211:35:002
2319039991714,1cyclictest0-21swapper/210:18:562
2319039991713,2cyclictest0-21swapper/210:06:372
2319039991713,2cyclictest0-21swapper/207:40:022
231903899178,4cyclictest0-21swapper/112:31:401
2319038991714,2cyclictest2731903-21systemd-run11:40:011
2319038991714,2cyclictest2319035-21cyclictest10:01:351
2319038991710,3cyclictest2541774-21kthreadcore09:51:371
231903799178,2cyclictest0-21swapper/008:06:290
231903799177,6cyclictest2755975-21grep11:51:420
231903799177,5cyclictest0-21swapper/009:45:000
2319037991715,1cyclictest0-21swapper/007:45:000
2319037991714,2cyclictest2828915-21grep12:35:000
2649091160,5phc2sys0-21swapper/310:12:573
2649091160,2phc2sys0-21swapper/311:04:543
2649091160,2phc2sys0-21swapper/309:33:353
2649091160,1phc2sys0-21swapper/309:18:503
231903999161,7cyclictest0-21swapper/212:10:012
2319039991614,1cyclictest0-21swapper/212:30:022
2319039991613,1cyclictest0-21swapper/211:56:372
2319039991613,1cyclictest0-21swapper/211:10:002
2319039991613,1cyclictest0-21swapper/210:36:352
2319039991613,1cyclictest0-21swapper/209:46:312
2319039991613,1cyclictest0-21swapper/209:20:002
2319039991613,1cyclictest0-21swapper/208:30:002
231903899164,3cyclictest2466560-21diskmemload11:34:061
2319038991615,1cyclictest0-21swapper/111:20:551
2319038991614,1cyclictest0-21swapper/107:15:001
2319038991613,2cyclictest2669979-21latency_hist11:05:011
2319038991613,2cyclictest2625875-21apt-config10:40:011
2319038991613,2cyclictest2484764-21gdbus09:20:011
2319038991613,2cyclictest1290-21dbus-daemon08:20:021
2319038991613,2cyclictest0-21swapper/110:35:001
2319038991612,3cyclictest2731787-21kworker/u16:3+nfsiod12:24:051
2319038991610,5cyclictest2793688-21ssh12:15:011
231903799168,7cyclictest0-21swapper/009:31:300
231903799168,6cyclictest0-21swapper/010:16:410
231903799167,4cyclictest0-21swapper/010:06:320
231903799164,4cyclictest2415118-21kthreadcore08:26:380
231903799163,6cyclictest1290-21dbus-daemon12:40:010
231903799162,8cyclictest2337727-21tr07:21:380
231903799162,3cyclictest2442869-21tail08:51:270
2319037991613,2cyclictest2661117-21sendmail11:00:000
2319037991613,2cyclictest2609351-21aten_repower_fr10:31:300
2319037991613,2cyclictest2548396-21gltestperf09:56:340
2319037991613,2cyclictest2412176-21cron08:25:000
2319037991613,2cyclictest2326489-21kthreadcore07:15:020
2319037991613,2cyclictest1313-21gmain07:31:310
2319037991613,2cyclictest1290-21dbus-daemon10:25:000
231903799161,2cyclictest2662329-21ssh11:01:280
2319037991612,3cyclictest2328373-21gltestperf07:16:330
2649091150,3phc2sys0-21swapper/310:38:583
2649091150,2phc2sys0-21swapper/312:10:243
2649091150,2phc2sys0-21swapper/310:24:253
2649091150,2phc2sys0-21swapper/309:14:553
2319039991513,1cyclictest0-21swapper/207:20:022
2319039991512,1cyclictest0-21swapper/212:39:062
2319039991512,1cyclictest0-21swapper/211:55:002
2319039991512,1cyclictest0-21swapper/211:50:012
2319039991512,1cyclictest0-21swapper/211:23:122
2319039991512,1cyclictest0-21swapper/211:16:352
2319039991512,1cyclictest0-21swapper/211:00:012
2319039991512,1cyclictest0-21swapper/210:46:362
2319039991512,1cyclictest0-21swapper/210:25:002
2319039991512,1cyclictest0-21swapper/209:45:012
2319039991512,1cyclictest0-21swapper/209:35:022
2319039991512,1cyclictest0-21swapper/209:26:412
231903999151,12cyclictest0-21swapper/209:51:292
2319039991511,1cyclictest0-21swapper/211:05:012
231903899159,2cyclictest134050irq/121-eno111:11:321
231903899157,4cyclictest2743630-21kthreadcore11:46:361
231903899157,3cyclictest0-21swapper/110:50:511
2319038991512,2cyclictest2754484-21kthreadcore11:51:371
2319038991512,2cyclictest2637061-21grep10:46:351
2319038991512,2cyclictest2628510-21kthreadcore10:41:351
2319038991512,2cyclictest2515142-21kthreadcore09:36:371
2319038991512,2cyclictest2470715-21kthreadcore09:11:371
2319038991512,2cyclictest2466817-21latency_hist09:10:011
2319038991512,2cyclictest2437166-21cstates08:46:321
2319038991512,2cyclictest2413922-21kthreadcore08:26:391
2319038991512,2cyclictest1290-21dbus-daemon08:15:011
2319038991512,2cyclictest1286-21avahi-daemon08:55:011
2319038991511,3cyclictest2830820-21fschecks_time12:36:331
2319038991511,3cyclictest2572922-21kworker/u16:0+nfsiod11:25:401
2319038991511,3cyclictest2570639-21unixbench_multi10:06:431
2319038991511,3cyclictest2452949-21kthreadcore08:56:401
2319038991511,3cyclictest2386191-21kthreadcore08:01:371
2319038991511,3cyclictest2345603-21kworker/u16:2+nfsiod09:42:411
231903799156,4cyclictest0-21swapper/011:30:000
2319037991512,2cyclictest2729276-21systemctl11:36:400
2319037991512,2cyclictest2627930-21gltestperf10:41:330
2319037991512,2cyclictest2424628-21sshd08:35:510
2319037991512,2cyclictest2406391-21systemd-run08:20:010
2319037991512,2cyclictest2341100-21kthreadcore07:26:380
2319037991512,2cyclictest0-21swapper/007:40:000
2319037991511,3cyclictest2731787-21kworker/u16:3+nfsiod12:21:040
2319037991511,3cyclictest2543017-21kthreadcore09:51:370
2319037991510,4cyclictest2572922-21kworker/u16:0-rpciod11:16:380
231903799150,6cyclictest1288-1atopacctd08:41:300
2649091141,1phc2sys0-21swapper/310:53:253
2649091140,5phc2sys0-21swapper/308:20:023
2649091140,2phc2sys0-21swapper/311:45:293
2649091140,2phc2sys0-21swapper/311:31:143
231903999149,3cyclictest23377682sleep207:21:382
231903999141,6cyclictest0-21swapper/208:20:012
2319039991412,1cyclictest0-21swapper/212:25:012
2319039991412,1cyclictest0-21swapper/211:45:012
2319039991412,1cyclictest0-21swapper/211:11:362
2319039991412,1cyclictest0-21swapper/208:00:022
2319039991411,1cyclictest0-21swapper/212:16:332
2319039991411,1cyclictest0-21swapper/212:01:312
2319039991411,1cyclictest0-21swapper/210:30:012
2319039991411,1cyclictest0-21swapper/210:30:012
2319039991411,1cyclictest0-21swapper/210:11:342
2319039991411,1cyclictest0-21swapper/208:40:012
2319039991411,1cyclictest0-21swapper/208:35:002
2319039991411,1cyclictest0-21swapper/208:11:382
2319039991410,2cyclictest0-21swapper/212:35:012
2319039991410,2cyclictest0-21swapper/210:45:002
2319039991410,2cyclictest0-21swapper/208:46:332
231903899147,2cyclictest0-21swapper/110:28:451
231903899147,2cyclictest0-21swapper/110:28:451
2319038991412,2cyclictest351ktimers/107:26:051
2319038991412,1cyclictest2797707-21kthreadcore12:16:371
2319038991411,2cyclictest2548938-21irqrtprio09:56:361
2319038991411,2cyclictest2493642-21latency_hist09:25:011
2319038991411,2cyclictest2435045-21kthreadcore08:41:381
2319038991411,2cyclictest2421610-21kthreadcore08:31:391
2319038991411,2cyclictest2352953-21irqcore07:36:351
2319038991411,2cyclictest1313-21gmain12:29:551
2319038991411,2cyclictest1296-21polkitd07:50:011
2319038991410,3cyclictest2409331-21kthreadcore08:21:371
2319038991410,3cyclictest2331309-21kthreadcore07:16:371
231903799145,5cyclictest0-21swapper/007:49:450
231903799141,8cyclictest2564082-21cat10:05:010
2319037991412,1cyclictest0-21swapper/009:15:000
2319037991411,2cyclictest2723003-21perf11:35:000
2319037991411,2cyclictest2604014-21kthreadcore10:26:380
2319037991411,2cyclictest2604014-21kthreadcore10:26:380
2319037991411,2cyclictest2574016-21aten_repower_cu10:11:280
2319037991411,2cyclictest2486036-21sh09:21:310
2319037991411,2cyclictest2375924-21cut07:55:010
2319037991411,2cyclictest1290-21dbus-daemon08:05:010
2319037991410,3cyclictest2422180-21kthreadcore08:31:390
27132622130,2sleep30-21swapper/311:28:353
2649091135,2phc2sys0-21swapper/310:01:393
2649091132,1phc2sys0-21swapper/311:41:503
2649091130,2phc2sys0-21swapper/311:11:283
2649091130,2phc2sys0-21swapper/310:48:483
2649091130,2phc2sys0-21swapper/309:49:563
2649091130,2phc2sys0-21swapper/307:16:363
2649091130,1phc2sys0-21swapper/308:09:533
2649091130,1phc2sys0-21swapper/307:25:533
231903999139,2cyclictest0-21swapper/209:01:382
231903999139,2cyclictest0-21swapper/207:46:382
2319039991311,1cyclictest0-21swapper/210:01:302
2319039991311,1cyclictest0-21swapper/209:35:232
2319039991311,1cyclictest0-21swapper/209:21:372
2319039991310,1cyclictest0-21swapper/208:51:322
2319039991310,1cyclictest0-21swapper/207:31:342
2319039991310,1cyclictest0-21swapper/207:26:372
231903899139,3cyclictest2390342-21kthreadcore08:06:361
2319038991310,2cyclictest2456186-21irqrtprio09:01:361
2319038991310,2cyclictest2426003-21kthreadcore08:36:361
2319038991310,2cyclictest2377310-21irqcore07:56:351
2319038991310,2cyclictest2373058-21kthreadcore07:51:361
2319038991310,2cyclictest2347187-21kthreadcore07:31:381
2319038991310,2cyclictest2337870-21kthreadcore07:21:381
231903799135,7cyclictest2635327-1ssh10:45:370
231903799133,5cyclictest2450715-21cut08:56:380
2319037991310,2cyclictest2460623-21systemd-run09:05:000
2319037991310,2cyclictest2436875-21tail08:46:310
2649091120,7phc2sys2449657-21chrt08:56:363
2649091120,2phc2sys0-21swapper/311:16:443
2649091120,1phc2sys0-21swapper/312:24:563
2649091120,1phc2sys0-21swapper/311:53:283
231903999129,2cyclictest0-21swapper/209:11:372
231903999129,1cyclictest0-21swapper/208:56:392
2319039991210,1cyclictest0-21swapper/208:41:312
2319039991210,1cyclictest0-21swapper/208:10:012
2319039991210,1cyclictest0-21swapper/208:01:352
231903799129,2cyclictest2394727-21cpuspeed_turbos08:11:320
231903799129,2cyclictest0-21swapper/007:10:010
231903799126,1cyclictest0-21swapper/007:56:360
2649091111,2phc2sys0-21swapper/308:26:363
2649091110,3phc2sys0-21swapper/312:00:013
2649091110,3phc2sys0-21swapper/309:01:303
2649091110,3phc2sys0-21swapper/308:46:363
2649091110,3phc2sys0-21swapper/307:51:383
2649091110,2phc2sys0-21swapper/312:26:423
2649091110,2phc2sys0-21swapper/311:40:013
2649091110,2phc2sys0-21swapper/310:40:343
2649091110,2phc2sys0-21swapper/309:41:543
2649091110,2phc2sys0-21swapper/309:39:503
2649091110,2phc2sys0-21swapper/307:42:433
2649091110,2phc2sys0-21swapper/307:35:583
2649091110,1phc2sys0-21swapper/307:10:543
231903999119,1cyclictest0-21swapper/208:21:342
231903999119,1cyclictest0-21swapper/207:51:352
2649091104,2phc2sys0-21swapper/307:21:313
2649091101,3phc2sys0-21swapper/308:41:143
2649091101,2phc2sys0-21swapper/311:06:113
2649091100,2phc2sys0-21swapper/312:36:333
2649091100,2phc2sys0-21swapper/312:33:243
2649091100,2phc2sys0-21swapper/310:31:043
2649091100,2phc2sys0-21swapper/310:29:363
2649091100,2phc2sys0-21swapper/310:29:363
2649091100,2phc2sys0-21swapper/310:15:413
2649091100,2phc2sys0-21swapper/309:50:283
2649091100,2phc2sys0-21swapper/308:51:293
2649091100,2phc2sys0-21swapper/308:16:303
2649091100,1phc2sys0-21swapper/308:32:573
231903999102,4cyclictest0-21swapper/207:10:012
231903899104,2cyclictest17350irq/127-ahci[0000:00:17.0]07:10:011
264909191,2phc2sys0-21swapper/308:01:323
264909191,2phc2sys0-21swapper/307:56:313
264909190,2phc2sys0-21swapper/309:25:233
264909190,2phc2sys0-21swapper/308:35:023
264909190,2phc2sys0-21swapper/308:11:373
264909190,2phc2sys0-21swapper/307:46:333
264909190,2phc2sys0-21swapper/307:31:343
264909190,2phc2sys0-21swapper/307:06:303
264909180,2phc2sys0-21swapper/309:06:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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