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2026-08-04 - 23:08
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Tue Aug 04, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340941521040,2sleep30-21swapper/311:10:373
32421012970,2sleep30-21swapper/309:15:503
35225872890,2sleep30-21swapper/312:25:483
32754662340,1sleep10-21swapper/109:40:451
3240591272,2phc2sys0-21swapper/309:59:393
3081579992615,3cyclictest0-21swapper/112:15:021
3081579992515,3cyclictest0-21swapper/111:05:011
308157899257,17cyclictest0-21swapper/011:15:250
3081578992514,6cyclictest0-21swapper/009:20:030
3081579992321,1cyclictest3393890-21apt-key11:00:011
3081579992320,2cyclictest3133028-21cut07:50:011
3081579992314,5cyclictest1034-21runrttasks11:34:451
3081578992313,5cyclictest3245822-21/usr/sbin/munin09:20:430
3081579992214,2cyclictest1034-21runrttasks10:02:151
3081578992214,7cyclictest3406973-21mailstats11:05:530
3081578992212,6cyclictest3257012-21cut09:25:510
3081578992212,5cyclictest0-21swapper/010:35:500
35016432210,2sleep20-21swapper/212:10:482
33240312210,2sleep30-21swapper/310:10:493
3240591211,7phc2sys0-21swapper/310:55:263
31675082210,1sleep10-21swapper/108:15:491
3081579992118,2cyclictest3296820-21basename09:55:011
3081579992118,2cyclictest3087824-21tr07:15:021
308157899219,7cyclictest0-21swapper/012:05:460
3081578992118,2cyclictest1-21systemd11:40:020
3081578992116,1cyclictest1157598rtkit-daemon11:23:230
3081578992110,7cyclictest3525816-21needreboot12:25:500
3081578992110,7cyclictest3101214-21awk07:20:510
3081578992110,7cyclictest3101214-21awk07:20:510
3081578992110,6cyclictest3382672-21kthreadcore10:50:470
3081578992110,5cyclictest0-21swapper/010:45:040
3081580992018,1cyclictest0-21swapper/211:10:012
3081580992018,1cyclictest0-21swapper/207:45:012
308157999209,2cyclictest69250irq/121-eno112:40:021
308157999209,2cyclictest1157598rtkit-daemon09:18:421
3081579992018,1cyclictest3460840-21cron11:45:011
3081579992017,2cyclictest3341339-21systemd-run10:25:011
3081579992017,2cyclictest3145046-21dump-pmu-power08:00:001
3081579992017,2cyclictest3127094-21latency_hist07:45:021
3081579992013,6cyclictest0-21swapper/111:20:011
3081579992010,3cyclictest3433512-21kthreadcore11:25:481
308157899209,7cyclictest3282903-21fschecks_time09:45:440
308157899209,7cyclictest3146206-21sort08:00:450
308157899207,7cyclictest3439057-21/usr/sbin/munin11:30:530
308157899206,6cyclictest3341333-21kworker/u16:1+xprtiod11:04:140
3081578992017,2cyclictest3088142-21kthreadcore07:15:020
3081578992015,1cyclictest191rcu_preempt12:10:340
3081578992014,5cyclictest3276216-21kthreadcore09:40:480
3081578992014,2cyclictest69250irq/121-eno112:20:480
3081578992011,5cyclictest1034-21runrttasks10:24:070
3081578992010,9cyclictest0-21swapper/011:40:270
3081578992010,6cyclictest3529503-21grep12:30:470
3081578992010,6cyclictest3313373-21sed10:05:440
3081580991916,1cyclictest0-21swapper/210:40:022
308157999199,6cyclictest3451385-21grep11:35:511
3081579991918,1cyclictest0-21swapper/108:42:081
3081579991916,2cyclictest664-21dbus-daemon11:55:021
3081579991916,2cyclictest3319421-21sh10:10:011
3081579991916,2cyclictest3304535-21/usr/sbin/munin10:00:011
3081579991915,3cyclictest688-21in:imuxsock12:10:031
308157999191,2cyclictest3289130-21latency_hist09:50:031
308157899199,7cyclictest3222837-21latency09:00:500
308157899199,6cyclictest3125746-21proc_pri07:40:530
308157899198,7cyclictest3505660-21sh12:15:260
308157899198,7cyclictest3505660-21sh12:15:260
308157899198,7cyclictest3462589-21irqrtprio11:45:450
3081578991916,2cyclictest3356201-21apt-key10:35:010
3081578991916,2cyclictest0-21swapper/007:20:010
3081578991915,3cyclictest3389617-21kthreadcore10:55:490
3081578991915,3cyclictest3189217-21kthreadcore08:35:470
3081578991915,3cyclictest3117587-21kthreadcore07:35:490
3081578991915,3cyclictest3117587-21kthreadcore07:35:490
3081578991914,1cyclictest191rcu_preempt12:02:520
3081578991912,6cyclictest3344016-21kthreadcore10:25:480
3081578991912,3cyclictest0-21swapper/011:15:010
3081578991912,2cyclictest3267334-21/usr/sbin/munin09:35:440
3081578991911,4cyclictest3235263-21missed_timers09:10:510
3081578991911,4cyclictest0-21swapper/009:30:460
3081578991910,5cyclictest3289861-21apt-get09:50:260
3081578991910,5cyclictest0-21swapper/011:55:020
34832182180,2sleep30-21swapper/312:00:023
34832182180,2sleep30-21swapper/312:00:023
3240591180,2phc2sys0-21swapper/311:36:393
3081580991815,1cyclictest0-21swapper/211:50:482
3081580991815,1cyclictest0-21swapper/211:49:152
3081580991815,1cyclictest0-21swapper/211:00:522
3081580991811,2cyclictest0-21swapper/211:57:342
3081580991811,2cyclictest0-21swapper/211:57:342
3081579991816,1cyclictest3081576-21cyclictest12:05:021
3081579991815,2cyclictest664-21dbus-daemon10:15:021
3081579991815,2cyclictest0-21swapper/110:20:011
308157899189,6cyclictest3476980-21if_enp1s011:55:470
308157899189,6cyclictest3476980-21if_enp1s011:55:470
308157899189,5cyclictest0-21swapper/010:15:490
308157899188,5cyclictest0-21swapper/012:35:150
308157899187,7cyclictest3435214-21ssh11:25:500
3081578991815,2cyclictest759-1atopacctd08:13:140
3081578991815,2cyclictest759-1atopacctd08:08:390
3081578991815,2cyclictest3310156-21switchtime10:00:550
3081578991815,2cyclictest3214928-21kthreadcore08:55:490
3081578991815,2cyclictest3172498-21kthreadcore08:20:480
3081578991815,2cyclictest3105441-21kthreadcore07:25:490
3081578991814,3cyclictest3227079-21kthreadcore09:05:500
3081578991810,7cyclictest3299318-21kthreadcore09:55:480
3240591175,2phc2sys0-21swapper/312:20:243
3240591171,5phc2sys0-21swapper/309:45:253
3240591171,4phc2sys0-21swapper/310:45:253
3240591171,2phc2sys0-21swapper/311:30:213
3240591170,2phc2sys0-21swapper/312:04:453
3240591170,2phc2sys0-21swapper/307:55:493
3240591170,2phc2sys0-21swapper/307:50:253
308158099174,8cyclictest0-21swapper/211:15:252
308158099171,8cyclictest0-21swapper/212:30:262
308158099171,6cyclictest0-21swapper/208:00:022
3081580991715,1cyclictest0-21swapper/210:45:482
3081580991714,1cyclictest0-21swapper/212:05:482
3081580991714,1cyclictest0-21swapper/210:35:042
3081580991714,1cyclictest0-21swapper/209:28:062
3081580991714,1cyclictest0-21swapper/207:35:022
3081580991714,1cyclictest0-21swapper/207:20:012
308157999179,2cyclictest3371839-21ssh10:45:141
308157999177,3cyclictest0-21swapper/109:33:151
308157999176,3cyclictest0-21swapper/111:45:481
308157999172,7cyclictest759-1atopacctd11:59:061
308157999172,7cyclictest759-1atopacctd11:59:061
308157999171,7cyclictest3120526-21latency_hist07:40:021
308157999171,7cyclictest3120526-21latency_hist07:40:021
3081579991714,2cyclictest3520266-21apt-config12:25:001
3081579991714,2cyclictest3401881-21aten_repower_en11:05:301
3081579991714,2cyclictest3267775-21tr09:35:431
3081579991714,2cyclictest3182395-21fschecks_count08:30:441
3081579991714,2cyclictest3157391-21munin-plugin-st08:10:021
3081579991714,2cyclictest1-21systemd09:10:141
3081579991714,2cyclictest0-21swapper/111:15:021
308157899178,6cyclictest3319728-21/usr/sbin/munin10:10:470
308157899178,5cyclictest0-21swapper/008:15:330
3081578991714,2cyclictest3193976-21aten_repower_cu08:40:260
3081578991714,2cyclictest3134319-21irqcore07:50:460
3081578991714,2cyclictest3111829-21kthreadcore07:30:480
3081578991713,3cyclictest3373351-21kthreadcore10:45:480
3081578991713,3cyclictest3129663-21kthreadcore07:45:490
3081578991712,1cyclictest491rcuog/208:28:020
3240591163,3phc2sys0-21swapper/307:20:263
3240591163,3phc2sys0-21swapper/307:20:263
3240591160,2phc2sys0-21swapper/310:36:153
3081580991614,1cyclictest0-21swapper/210:45:042
3081580991613,1cyclictest0-21swapper/209:50:012
3081580991613,1cyclictest0-21swapper/208:10:452
3081580991613,1cyclictest0-21swapper/207:25:022
3081580991613,1cyclictest0-21swapper/207:25:022
308157999168,1cyclictest69250irq/121-eno107:20:461
308157999168,1cyclictest69250irq/121-eno107:20:461
308157999166,3cyclictest3229985-21latency_hist09:10:021
308157999165,4cyclictest0-21swapper/108:39:141
3081579991613,2cyclictest3342470-21fschecks_time10:25:441
3081579991613,2cyclictest3290063-21kworker/u16:3-events_unbound10:40:031
3081579991612,3cyclictest3528641-21cpuspeed_turbos12:30:431
3081579991612,3cyclictest3219696-21kthreadcore09:00:481
3081579991611,3cyclictest0-21swapper/109:30:001
308157999160,15cyclictest3114411-21cron07:35:011
308157899168,4cyclictest0-21swapper/008:50:390
308157899164,7cyclictest3205547-21sshd08:48:140
3081578991613,2cyclictest3182512-21gltestperf08:30:450
3081578991613,2cyclictest3139501-21aten_repower_po07:55:360
3240591159,1phc2sys0-21swapper/307:47:553
3240591150,3phc2sys0-21swapper/310:00:393
308158099155,5cyclictest0-21swapper/207:45:272
3081580991513,1cyclictest0-21swapper/210:25:022
3081580991512,1cyclictest0-21swapper/212:40:012
3081580991512,1cyclictest0-21swapper/212:30:012
3081580991512,1cyclictest0-21swapper/212:15:472
3081580991512,1cyclictest0-21swapper/212:15:472
3081580991512,1cyclictest0-21swapper/211:35:542
3081580991512,1cyclictest0-21swapper/210:55:472
3081580991512,1cyclictest0-21swapper/210:50:432
3081580991512,1cyclictest0-21swapper/209:56:062
3081580991512,1cyclictest0-21swapper/209:41:092
3081580991512,1cyclictest0-21swapper/209:38:042
3081580991512,1cyclictest0-21swapper/209:20:382
3081580991512,1cyclictest0-21swapper/209:10:112
3081580991512,1cyclictest0-21swapper/208:40:012
3081580991512,1cyclictest0-21swapper/208:03:382
3081580991512,1cyclictest0-21swapper/207:55:012
308157999154,3cyclictest0-21swapper/112:19:131
308157999154,3cyclictest0-21swapper/112:19:131
308157999152,4cyclictest3354830-21sshd10:31:151
308157999151,6cyclictest3527851-21latency_hist12:30:011
308157999151,6cyclictest3430916-21latency_hist11:25:021
308157999151,6cyclictest3108370-21latency_hist07:30:011
3081579991512,2cyclictest664-21dbus-daemon07:55:021
3081579991512,2cyclictest3364638-21tr10:40:431
3081579991512,2cyclictest3214935-21sort08:55:491
3081579991512,2cyclictest3162208-21latency08:10:501
3081579991512,2cyclictest0-21swapper/109:20:461
3081579991511,3cyclictest3202393-21kthreadcore08:45:461
3081579991511,3cyclictest3172498-21kthreadcore08:20:481
308157999150,8cyclictest3211955-21cat08:55:021
3240591140,3phc2sys0-21swapper/309:36:143
3240591140,2phc2sys0-21swapper/312:38:413
3240591140,2phc2sys0-21swapper/312:08:013
3240591140,2phc2sys0-21swapper/311:49:263
3240591140,2phc2sys0-21swapper/308:33:153
3240591140,1phc2sys0-21swapper/311:52:143
3240591140,1phc2sys0-21swapper/308:10:533
308158099146,3cyclictest0-21swapper/209:15:262
3081580991412,1cyclictest0-21swapper/212:25:012
3081580991412,1cyclictest0-21swapper/211:20:462
3081580991412,1cyclictest0-21swapper/210:00:412
3081580991412,1cyclictest0-21swapper/209:05:462
3081580991412,1cyclictest0-21swapper/209:05:022
3081580991412,1cyclictest0-21swapper/208:30:022
3081580991411,1cyclictest0-21swapper/212:00:082
3081580991411,1cyclictest0-21swapper/211:30:422
3081580991411,1cyclictest0-21swapper/211:25:482
3081580991411,1cyclictest0-21swapper/211:12:072
3081580991411,1cyclictest0-21swapper/210:30:022
3081580991411,1cyclictest0-21swapper/210:15:402
3081580991411,1cyclictest0-21swapper/210:05:322
3081580991411,1cyclictest0-21swapper/207:29:472
3081579991411,2cyclictest3384171-21missed_timers10:50:491
3081579991411,2cyclictest3089658-21fschecks_count07:15:041
3081579991411,2cyclictest3081576-21cyclictest08:25:441
3081579991410,3cyclictest3145971-21sh08:00:441
3240591130,5phc2sys0-21swapper/311:40:273
3240591130,2phc2sys0-21swapper/312:11:543
3240591130,2phc2sys0-21swapper/310:30:213
3081580991311,1cyclictest0-21swapper/210:12:172
3081580991311,1cyclictest0-21swapper/209:30:182
3081580991311,1cyclictest0-21swapper/208:25:022
3081580991310,1cyclictest0-21swapper/208:55:462
3081580991310,1cyclictest0-21swapper/208:40:492
3081580991310,1cyclictest0-21swapper/208:20:022
3081580991310,1cyclictest0-21swapper/208:05:422
3081580991310,1cyclictest0-21swapper/207:10:492
3240591121,2phc2sys0-21swapper/308:50:503
3240591120,2phc2sys0-21swapper/311:03:333
3240591120,2phc2sys0-21swapper/310:28:583
3240591120,2phc2sys0-21swapper/309:45:013
3240591120,1phc2sys0-21swapper/310:51:183
3240591120,1phc2sys0-21swapper/310:06:473
308158099129,1cyclictest0-21swapper/209:50:432
308158099128,2cyclictest0-21swapper/211:40:492
308158099122,5cyclictest0-21swapper/208:50:022
3081580991210,1cyclictest0-21swapper/208:35:012
3081580991210,1cyclictest0-21swapper/207:40:022
3081580991210,1cyclictest0-21swapper/207:40:022
34234822110,2sleep30-21swapper/311:19:553
3240591112,2phc2sys0-21swapper/309:05:493
3240591111,2phc2sys0-21swapper/312:16:553
3240591111,2phc2sys0-21swapper/312:16:553
3240591111,2phc2sys0-21swapper/309:25:493
3240591110,2phc2sys0-21swapper/312:30:503
3240591110,2phc2sys0-21swapper/310:18:083
3240591110,2phc2sys0-21swapper/307:25:273
3240591110,1phc2sys0-21swapper/309:02:083
3240591110,1phc2sys0-21swapper/308:37:403
3240591110,1phc2sys0-21swapper/307:36:173
3240591110,1phc2sys0-21swapper/307:36:173
308158099119,1cyclictest0-21swapper/208:50:232
308158099112,3cyclictest0-21swapper/207:10:022
308157999115,4cyclictest3081723-21cat07:10:021
308157899115,5cyclictest3081711-21cat07:10:020
3240591102,2phc2sys0-21swapper/311:26:053
3240591102,2phc2sys0-21swapper/311:20:563
3240591101,2phc2sys0-21swapper/311:05:453
3240591101,2phc2sys0-21swapper/309:30:423
3240591101,2phc2sys0-21swapper/307:05:393
3240591100,4phc2sys0-21swapper/308:15:263
3240591100,2phc2sys0-21swapper/310:41:573
3240591100,2phc2sys0-21swapper/310:23:253
3240591100,2phc2sys0-21swapper/309:20:443
3240591100,2phc2sys0-21swapper/308:43:453
3240591100,2phc2sys0-21swapper/308:20:453
3240591100,2phc2sys0-21swapper/307:43:383
3240591100,2phc2sys0-21swapper/307:30:443
3240591100,1phc2sys0-21swapper/307:14:133
324059192,1phc2sys0-21swapper/308:45:413
324059191,2phc2sys0-21swapper/309:11:423
324059191,2phc2sys0-21swapper/308:00:493
324059191,2phc2sys0-21swapper/307:15:503
324059190,4phc2sys0-21swapper/308:05:253
324059190,2phc2sys0-21swapper/309:53:143
324059190,2phc2sys0-21swapper/308:55:313
324059190,2phc2sys0-21swapper/308:25:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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