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2026-07-02 - 15:45
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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 Thu Jul 02, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250082621070,3sleep30-21swapper/310:49:573
238359321040,1sleep20-21swapper/209:30:012
247310321010,3sleep30-21swapper/310:31:383
22195712960,2sleep20-21swapper/207:19:572
2206484993129,1cyclictest0-21swapper/207:40:022
2206483993128,2cyclictest2583746-21grep11:45:021
24356642300,2sleep20-21swapper/210:05:042
2206482992921,7cyclictest2450089-21latency_hist10:15:020
2206482992623,2cyclictest2598167-21grep11:55:020
2206483992522,2cyclictest660-21dbus-daemon10:10:011
220648299250,5cyclictest2398168-21latency_hist09:40:020
2206484992421,1cyclictest0-21swapper/211:55:012
2206483992421,2cyclictest0-21swapper/108:40:011
2206483992421,2cyclictest0-21swapper/108:40:011
2206482992421,2cyclictest2206480-21cyclictest07:15:010
2206484992320,1cyclictest0-21swapper/209:25:012
2206482992320,2cyclictest1-21systemd08:30:010
25735252220,2sleep20-21swapper/211:39:542
2206483992219,2cyclictest2413281-21sh09:50:011
2206483992219,2cyclictest0-21swapper/112:20:021
2206482992219,2cyclictest2524457-21grep11:05:030
492398210,6rtkit-daemon765-1atopacctd11:03:261
2206483992118,2cyclictest0-21swapper/111:35:041
2206483992118,2cyclictest0-21swapper/107:20:001
2206482992118,2cyclictest2657173-21/usr/sbin/munin12:35:010
2206482992118,2cyclictest2576079-21timerwakeupswit11:40:010
2206482992118,2cyclictest2244384-21sh07:40:010
2206482992115,5cyclictest2464749-21unin-run10:25:010
2206482992114,6cyclictest2415195-21/usr/sbin/munin09:55:000
2206482992113,6cyclictest0-21swapper/009:35:030
3153791203,2phc2sys0-21swapper/309:51:423
2206484992017,1cyclictest0-21swapper/210:45:012
2206484992017,1cyclictest0-21swapper/210:25:002
2206483992017,2cyclictest2656845-21cron12:35:011
2206483992017,2cyclictest2330045-21systemd08:50:011
2206483992017,2cyclictest2268560-21systemd-run08:00:011
2206482992017,2cyclictest2465226-21runrttasks10:25:080
2206482992017,2cyclictest2428322-21cat10:00:020
2206482992017,2cyclictest2383740-21switchtime09:30:010
2206482992017,2cyclictest2335952-21cat08:55:000
2206482992017,2cyclictest2329604-21apt-key08:50:000
2206482992017,2cyclictest2324040-21head08:45:010
2206482992017,2cyclictest0-21swapper/012:00:000
2206482992016,2cyclictest2501753-21timedrift10:50:030
2206482992016,2cyclictest0-21swapper/009:15:020
2206482992015,1cyclictest11systemd12:25:030
220648299200,4cyclictest2620006-21idleruntime-cro12:10:010
2206484991917,1cyclictest0-21swapper/210:35:022
2206484991916,1cyclictest0-21swapper/212:40:012
2206484991916,1cyclictest0-21swapper/211:30:012
2206484991916,1cyclictest0-21swapper/209:05:012
2206484991916,1cyclictest0-21swapper/208:50:012
220648399195,4cyclictest67250irq/126-eno109:54:491
2206483991916,2cyclictest2479490-21threads10:35:011
2206483991912,3cyclictest2602516-21kthreadcore11:59:541
2206482991916,2cyclictest738-21gdbus09:00:000
2206482991912,6cyclictest0-21swapper/010:09:510
2206482991911,5cyclictest0-21swapper/010:20:010
220648299190,15cyclictest0-21swapper/012:14:470
3153791180,4phc2sys0-21swapper/308:49:513
3153791180,2phc2sys0-21swapper/311:34:083
2206484991815,1cyclictest0-21swapper/212:25:032
2206484991815,1cyclictest0-21swapper/212:05:022
2206484991815,1cyclictest0-21swapper/210:05:022
2206484991815,1cyclictest0-21swapper/209:14:562
2206484991815,1cyclictest0-21swapper/208:30:022
2206484991815,1cyclictest0-21swapper/208:25:012
2206484991814,2cyclictest0-21swapper/212:19:592
2206483991815,2cyclictest698-21in:imuxsock09:00:011
2206483991815,2cyclictest660-21dbus-daemon09:10:011
2206483991815,2cyclictest2642282-21threads12:25:011
2206483991815,2cyclictest2553741-21systemd-run11:25:011
2206483991815,2cyclictest2494125-21dump-pmu-power10:45:001
2206483991815,2cyclictest2244481-21wc07:40:011
2206483991815,2cyclictest2226501-21timerwakeupswit07:25:011
2206483991815,2cyclictest1020-21runrttasks12:09:551
2206483991815,2cyclictest0-21swapper/108:30:011
2206483991814,3cyclictest2290763-21kthreadcore08:19:561
2206483991814,2cyclictest0-21swapper/110:55:041
2206483991810,2cyclictest67250irq/126-eno112:14:451
220648299182,12cyclictest2252502-21irqrtprio07:49:540
2206482991816,1cyclictest0-21swapper/008:10:010
2206482991815,2cyclictest2586594-21sed11:49:540
2206482991815,2cyclictest2405801-21ssh09:45:020
2206482991815,2cyclictest2226421-21timerandwakeup07:25:010
2206482991813,2cyclictest1247-21mta-sts-daemon12:04:490
2206482991812,5cyclictest2479299-21cron10:35:000
2206482991812,5cyclictest0-21swapper/010:55:040
2206482991811,6cyclictest2506320-21kthreadcore10:54:560
2206482991810,4cyclictest2582898-21grep11:44:580
2206482991810,3cyclictest2206480-21cyclictest12:29:470
220648299180,17cyclictest241rcuc/008:04:480
3153791170,2phc2sys0-21swapper/312:12:513
3153791170,2phc2sys0-21swapper/310:02:183
3153791170,2phc2sys0-21swapper/309:42:013
3153791170,2phc2sys0-21swapper/309:38:243
3153791170,2phc2sys0-21swapper/309:29:583
2206484991715,1cyclictest0-21swapper/211:25:032
2206484991715,1cyclictest0-21swapper/208:20:022
2206484991715,1cyclictest0-21swapper/207:30:012
2206484991714,1cyclictest0-21swapper/212:09:542
2206484991714,1cyclictest0-21swapper/210:56:262
2206484991714,1cyclictest0-21swapper/210:50:012
2206484991714,1cyclictest0-21swapper/209:51:432
2206484991714,1cyclictest0-21swapper/208:40:012
2206484991714,1cyclictest0-21swapper/208:40:012
2206484991714,1cyclictest0-21swapper/208:14:592
2206483991714,2cyclictest660-21dbus-daemon11:50:001
2206483991714,2cyclictest2501425-21latency_hist10:50:011
2206483991714,2cyclictest2336110-21base6408:55:011
2206483991714,2cyclictest2238492-21cron07:35:001
2206483991714,2cyclictest2206480-21cyclictest11:39:541
2206483991713,3cyclictest2543658-21kthreadcore11:19:561
2206483991713,3cyclictest2543658-21kthreadcore11:19:561
2206483991713,3cyclictest2257760-21cpuspeed_turbos07:54:491
220648399171,2cyclictest2212388-21munin-run07:15:011
2206483991712,4cyclictest658-21avahi-daemon11:05:531
220648299179,4cyclictest2546497-21systemctl11:20:020
220648299179,4cyclictest2546497-21systemctl11:20:020
220648299177,5cyclictest0-21swapper/012:18:110
2206482991715,1cyclictest0-21swapper/011:34:490
2206482991714,2cyclictest765-1atopacctd08:40:000
2206482991714,2cyclictest765-1atopacctd08:40:000
2206482991714,2cyclictest660-21dbus-daemon07:20:000
2206482991714,2cyclictest2531269-21sed11:10:010
2206482991714,2cyclictest2494467-21unixbench-2d10:45:020
2206482991714,2cyclictest2348443-21sshd09:05:010
2206482991714,2cyclictest2268823-21systemctl08:00:020
492398160,2rtkit-daemon2355619-21ssh09:12:251
3153791161,3phc2sys0-21swapper/311:54:483
3153791160,4phc2sys0-21swapper/312:31:553
3153791160,4phc2sys0-21swapper/311:05:303
2206484991614,1cyclictest0-21swapper/212:00:022
2206484991614,1cyclictest0-21swapper/211:19:562
2206484991614,1cyclictest0-21swapper/211:19:562
2206484991614,1cyclictest0-21swapper/209:17:262
2206484991614,1cyclictest0-21swapper/208:00:022
2206484991613,1cyclictest0-21swapper/211:45:022
2206484991613,1cyclictest0-21swapper/211:14:552
2206484991613,1cyclictest0-21swapper/210:00:012
2206484991613,1cyclictest0-21swapper/209:49:592
2206484991613,1cyclictest0-21swapper/209:41:352
2206484991613,1cyclictest0-21swapper/208:59:512
2206484991613,1cyclictest0-21swapper/208:34:512
2206484991613,1cyclictest0-21swapper/207:25:022
220648399169,3cyclictest492398rtkit-daemon09:24:581
220648399169,3cyclictest2369043-21cron09:20:001
220648399169,3cyclictest2354068-21diskmemload11:14:331
220648399166,2cyclictest351ktimers/110:51:481
2206483991613,2cyclictest2663527-21kthreadcore12:39:561
2206483991613,2cyclictest2598032-21latency_hist11:55:011
2206483991613,2cyclictest2307130-21gltestperf08:34:531
2206483991613,2cyclictest2281217-21apt-config08:10:011
2206483991613,2cyclictest0-21swapper/110:40:011
2206483991613,2cyclictest0-21swapper/108:15:021
2206483991612,3cyclictest2413452-21kworker/u16:0+nfsiod12:01:311
2206483991612,3cyclictest2321424-21kthreadcore08:44:551
220648399160,4cyclictest2472028-21latency_hist10:30:001
220648299169,2cyclictest2206480-21cyclictest11:14:530
220648299167,2cyclictest0-21swapper/009:19:590
220648299163,7cyclictest2294162-21aten2.4-expect08:24:500
2206482991613,2cyclictest2665063-21munin-run12:40:030
2206482991613,2cyclictest2549321-21cut11:24:520
2206482991613,2cyclictest2262918-21systemd07:55:010
2206482991611,2cyclictest1246-21mta-sts-daemon11:25:280
3153891150,2ptp4l0-21swapper/312:30:013
3153791151,6phc2sys0-21swapper/310:18:443
3153791150,2phc2sys0-21swapper/310:52:433
3153791150,2phc2sys0-21swapper/309:56:323
2206484991513,1cyclictest0-21swapper/211:50:002
2206484991513,1cyclictest0-21swapper/211:10:012
2206484991513,1cyclictest0-21swapper/211:01:332
2206484991513,1cyclictest0-21swapper/210:40:022
2206484991513,1cyclictest0-21swapper/208:55:012
2206484991513,1cyclictest0-21swapper/207:50:012
2206484991512,1cyclictest0-21swapper/209:34:552
2206484991512,1cyclictest0-21swapper/208:09:572
2206484991512,1cyclictest0-21swapper/207:40:012
2206484991512,1cyclictest0-21swapper/207:10:012
2206483991512,2cyclictest2434305-21tr10:04:581
2206483991512,2cyclictest2394116-21if_err_enp1s0.809:39:551
2206483991512,2cyclictest2299453-21munin-plugin-st08:25:031
2206483991512,2cyclictest2212288-21munin-node07:43:201
2206483991512,2cyclictest2206552-21systemd07:10:011
2206483991512,2cyclictest1246-21mta-sts-daemon12:25:371
2206483991512,2cyclictest1246-21mta-sts-daemon09:58:471
2206483991512,2cyclictest0-21swapper/109:45:031
2206483991512,2cyclictest0-21swapper/109:30:011
2206483991511,3cyclictest2369527-21kworker/u16:3+nfsiod10:17:281
2206483991511,3cyclictest2229972-21kthreadcore07:29:551
2206483991511,3cyclictest1246-21mta-sts-daemon10:24:491
2206483991510,4cyclictest2269248-21sshd08:01:211
220648299157,4cyclictest0-21swapper/010:39:540
2206482991513,1cyclictest1242-21mta-sts-daemon09:49:160
2206482991513,1cyclictest1237-21mta-sts-daemon08:19:590
2206482991513,1cyclictest0-21swapper/007:45:020
2206482991512,2cyclictest1242-21mta-sts-daemon09:22:210
2206482991512,2cyclictest1-21systemd09:06:200
220648299150,4cyclictest501rcuop/207:29:470
492398140,9rtkit-daemon1237-21mta-sts-daemon09:32:271
3153791141,3phc2sys0-21swapper/308:29:483
3153791140,3phc2sys0-21swapper/312:09:473
3153791140,3phc2sys0-21swapper/308:34:493
2206484991412,1cyclictest0-21swapper/212:27:372
2206484991412,1cyclictest0-21swapper/210:28:212
2206484991412,1cyclictest0-21swapper/209:35:042
2206484991411,1cyclictest0-21swapper/212:10:342
2206484991411,1cyclictest0-21swapper/210:54:092
2206484991411,1cyclictest0-21swapper/210:19:532
2206484991411,1cyclictest0-21swapper/210:12:222
2206484991411,1cyclictest0-21swapper/209:10:022
2206484991411,1cyclictest0-21swapper/208:44:552
220648399149,4cyclictest1237-21mta-sts-daemon10:10:271
2206483991411,2cyclictest2561143-21unixbench_singl11:30:021
2206483991411,2cyclictest2256678-21timerwakeupswit07:50:011
2206483991410,3cyclictest2344340-21irqrtprio09:04:531
2206482991412,1cyclictest2430285-21tr10:04:500
2206482991411,2cyclictest2306697-21tr08:34:510
2206482991411,2cyclictest2283179-21kernelversion08:14:540
2206482991411,2cyclictest2206512-21latency_hist07:10:010
3153791131,2phc2sys0-21swapper/312:35:333
3153791130,3phc2sys0-21swapper/312:23:583
3153791130,3phc2sys0-21swapper/312:15:583
3153791130,3phc2sys0-21swapper/309:08:343
3153791130,2phc2sys0-21swapper/311:02:263
3153791130,2phc2sys0-21swapper/308:22:213
3153791130,1phc2sys0-21swapper/309:47:203
24591742130,4sleep30-21swapper/310:23:533
2206484991311,1cyclictest0-21swapper/212:30:182
2206484991311,1cyclictest0-21swapper/211:30:352
2206484991311,1cyclictest0-21swapper/207:35:012
2206484991311,1cyclictest0-21swapper/207:15:022
2206482991310,2cyclictest2237167-21kthreadcore07:34:550
3153791120,2phc2sys0-21swapper/311:49:233
3153791120,2phc2sys0-21swapper/311:41:373
3153791120,2phc2sys0-21swapper/311:37:083
3153791120,2phc2sys0-21swapper/311:20:413
3153791120,2phc2sys0-21swapper/309:19:253
3153791120,2phc2sys0-21swapper/308:04:473
3153791120,2phc2sys0-21swapper/307:19:333
3153791120,1phc2sys0-21swapper/308:17:423
3153791120,1phc2sys0-21swapper/308:14:093
3153791120,1phc2sys0-21swapper/307:51:453
24438772120,2sleep30-21swapper/310:12:273
220648499129,2cyclictest0-21swapper/208:00:312
3153791113,2phc2sys0-21swapper/308:44:583
3153791111,2phc2sys0-21swapper/309:34:483
3153791111,2phc2sys0-21swapper/308:08:003
3153791110,3phc2sys0-21swapper/311:19:563
3153791110,3phc2sys0-21swapper/311:19:563
3153791110,3phc2sys0-21swapper/308:52:583
3153791110,2phc2sys0-21swapper/310:29:473
3153791110,2phc2sys0-21swapper/310:07:383
3153791110,2phc2sys0-21swapper/307:44:563
3153791110,2phc2sys0-21swapper/307:24:523
3153791110,1phc2sys0-21swapper/308:58:493
3153791110,1phc2sys0-21swapper/307:11:533
220648499119,1cyclictest0-21swapper/207:52:252
3153791102,4phc2sys0-21swapper/311:30:013
3153791101,2phc2sys0-21swapper/312:02:373
3153791101,2phc2sys0-21swapper/309:11:193
3153791101,2phc2sys0-21swapper/307:49:563
3153791100,4phc2sys0-21swapper/310:39:483
3153791100,2phc2sys0-21swapper/311:58:083
3153791100,2phc2sys0-21swapper/311:11:273
3153791100,2phc2sys0-21swapper/310:58:213
3153791100,2phc2sys0-21swapper/309:22:453
3153791100,2phc2sys0-21swapper/309:04:543
3153791100,2phc2sys0-21swapper/307:39:553
3153791100,2phc2sys0-21swapper/307:34:563
3153791100,2phc2sys0-21swapper/307:30:013
3153791100,1phc2sys0-21swapper/310:40:533
315379190,2phc2sys0-21swapper/308:35:053
315379190,2phc2sys0-21swapper/308:35:053
315379190,2phc2sys0-21swapper/307:59:563
315379190,2phc2sys0-21swapper/307:09:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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