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2025-12-30 - 23:25
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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 Dec 30, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26898882990,1sleep10-21swapper/110:23:371
29290882470,2sleep12555656-21diskmemload12:38:191
24861232300,2sleep20-21swapper/208:13:212
2407595992619,3cyclictest2904927-21kthreadcore12:23:231
2407592992617,5cyclictest2867497-21sed12:03:220
2407592992616,6cyclictest2761934-21unixbench_multi11:03:280
28566532240,7sleep136-21ksoftirqd/111:58:201
2407592992416,7cyclictest2578374-21kthreadcore09:23:230
2407592992416,7cyclictest0-21swapper/010:15:000
2407592992415,8cyclictest2566966-21/usr/sbin/munin09:18:170
2407592992414,5cyclictest0-21swapper/011:20:010
2407592992413,6cyclictest2811654-21irqcore11:33:200
2407595992313,3cyclictest2832543-21kthreadcore11:43:221
2407595992311,3cyclictest0-21swapper/109:28:281
240759799222,11cyclictest0-21swapper/207:50:012
2407595992218,3cyclictest1313-21gmain12:30:011
2407595992211,3cyclictest0-21swapper/109:55:011
2407595992210,3cyclictest0-21swapper/111:50:001
2407592992219,2cyclictest1290-21dbus-daemon11:10:010
2407592992213,5cyclictest1290-21dbus-daemon09:50:020
2649091210,2phc2sys0-21swapper/310:04:373
2407597992118,1cyclictest0-21swapper/209:15:012
240759599219,3cyclictest0-21swapper/112:02:311
2407595992118,2cyclictest2817241-21latency_hist11:35:011
2407595992116,4cyclictest2659960-21kthreadcore10:08:231
2407595992112,4cyclictest0-21swapper/109:43:221
2407595992111,4cyclictest0-21swapper/112:18:201
2407595992111,3cyclictest2924212-21unixbench_multi12:33:271
2407595992111,3cyclictest2757627-21irqcore11:03:201
2407592992117,3cyclictest2903609-21kthreadcore12:23:240
2407592992117,1cyclictest25196691systemd-run08:40:010
2407592992113,7cyclictest2749480-21kthreadcore10:58:220
2407592992112,5cyclictest2648702-21cpuspeed_turbos10:03:160
240759299211,15cyclictest0-21swapper/012:09:510
2407592992110,6cyclictest0-21swapper/009:40:000
2649091200,2phc2sys0-21swapper/312:12:223
2649091200,2phc2sys0-21swapper/309:26:133
26061712200,1sleep20-21swapper/209:38:212
240759599209,6cyclictest0-21swapper/109:25:011
240759599209,3cyclictest2771055-21grep11:08:281
2407595992017,2cyclictest2703061-21head10:33:181
2407595992017,2cyclictest2407586-21cyclictest11:23:261
2407595992017,2cyclictest1326-21systemd-logind10:30:011
2407595992017,2cyclictest1326-21systemd-logind10:15:011
2407592992017,2cyclictest0-21swapper/007:15:020
2407592992012,7cyclictest2733233-21kthreadcore10:48:220
2407592992010,5cyclictest0-21swapper/010:43:180
2407592992010,4cyclictest2738795-21tr10:53:170
2407592992010,4cyclictest2738795-21tr10:53:170
2407592992010,4cyclictest0-21swapper/010:23:210
2649091190,2phc2sys0-21swapper/308:18:253
2407597991916,1cyclictest0-21swapper/211:20:012
2407597991916,1cyclictest0-21swapper/208:10:002
2407595991916,2cyclictest2880298-21perf12:10:011
2407595991916,2cyclictest2826194-21cron11:40:001
2407595991916,2cyclictest2649543-21irqrtprio10:03:201
2407595991916,2cyclictest2518932-21switchtime08:38:281
2407595991916,2cyclictest2496478-21fschecks_time08:23:181
2407595991916,2cyclictest1329-21rs:main1
2407595991916,2cyclictest1326-21systemd-logind09:00:011
2407595991916,2cyclictest1326-21systemd-logind08:45:001
2407595991911,3cyclictest0-21swapper/111:55:011
2407595991911,3cyclictest0-21swapper/109:48:221
2407595991910,3cyclictest0-21swapper/110:38:141
240759299199,9cyclictest2805970-21kthreadcore11:28:220
240759299199,4cyclictest2599307-21phc2sys-jitter09:33:260
240759299197,5cyclictest2644070-21latency09:58:220
2407592991916,2cyclictest2928921-21irqrtprio12:38:190
2407592991916,2cyclictest2922372-21kthreadcore12:33:210
2407592991916,2cyclictest2884014-21kthreadcore12:13:220
2407592991916,2cyclictest2633174-21kthreadcore09:53:230
2407592991916,2cyclictest2555664-21idleruntime-cro09:10:010
2407592991916,2cyclictest2533348-21kthreadcore08:53:220
2407592991916,2cyclictest2464840-21gdbus07:55:000
2407592991916,2cyclictest1326-21systemd-logind08:05:010
2407592991910,5cyclictest2506436-21latency08:28:220
2649091181,2phc2sys0-21swapper/311:03:203
2649091181,2phc2sys0-21swapper/309:08:143
2649091180,2phc2sys0-21swapper/310:06:383
2407597991816,1cyclictest0-21swapper/210:50:252
2407597991816,1cyclictest0-21swapper/210:50:252
2407597991815,2cyclictest0-21swapper/212:15:012
2407597991815,1cyclictest0-21swapper/212:03:212
2407597991815,1cyclictest0-21swapper/210:35:012
2407597991815,1cyclictest0-21swapper/207:40:012
2407595991815,2cyclictest2595558-21grep09:33:211
2407595991815,2cyclictest2507402-21systemd-run08:30:011
2407595991815,2cyclictest2489214-21systemctl08:15:001
2407595991815,2cyclictest2472257-21tr08:03:201
2407595991815,2cyclictest2452603-21systemd-run07:45:021
2407595991815,2cyclictest2433938-21latency_hist07:30:021
2407595991815,2cyclictest1288-1atopacctd09:37:371
240759299187,6cyclictest0-21swapper/010:40:010
240759299183,7cyclictest2830627-21kthreadcore11:43:210
2407592991816,1cyclictest2693954-21fschecks_count10:28:190
2407592991815,2cyclictest2857550-21kthreadcore11:58:210
2407592991815,2cyclictest2826507-21sh11:40:020
2407592991815,2cyclictest2592030-21apt-get09:30:010
2407592991815,2cyclictest2560964-21kthreadcore09:13:220
2407592991815,2cyclictest2508622-21gltestperf08:33:180
2407592991815,2cyclictest2477982-21fschecks_count08:08:210
2407592991815,2cyclictest2422070-21latency_hist07:20:010
2407592991815,2cyclictest1-21systemd11:50:310
2407592991813,1cyclictest24400921systemd-run07:35:010
2407592991811,3cyclictest2549835-21latency_hist09:05:020
2407592991810,4cyclictest2702460-21cpu10:33:160
2649091170,5phc2sys0-21swapper/312:34:543
2649091170,4phc2sys0-21swapper/310:30:013
2649091170,2phc2sys0-21swapper/310:57:553
2649091170,1phc2sys0-21swapper/312:23:083
2407597991714,1cyclictest0-21swapper/212:25:002
2407597991714,1cyclictest0-21swapper/207:55:002
240759599177,3cyclictest0-21swapper/109:55:151
2407595991715,1cyclictest2736063-21dump-pmu-power10:50:001
2407595991714,2cyclictest2682053-21sh10:20:011
2407595991714,2cyclictest2470781-21ls08:00:001
2407595991714,2cyclictest2464861-21latency_hist07:55:011
2407595991714,2cyclictest0-21swapper/107:15:011
240759599170,3cyclictest2490502-21hddtemp_smartct08:18:191
240759299176,4cyclictest0-21swapper/011:23:160
240759299175,7cyclictest2911571-21cut12:28:210
240759299174,3cyclictest2898424-21munin-run12:20:000
2407592991714,2cyclictest2844365-21cut11:50:020
2407592991714,2cyclictest2452655-21cut07:45:020
2407592991712,4cyclictest0-21swapper/008:20:000
240759299170,8cyclictest2524757-21pmu-power08:43:250
2649091160,2phc2sys0-21swapper/311:57:083
2649091160,1phc2sys0-21swapper/312:17:143
2407597991614,1cyclictest0-21swapper/209:43:202
2407597991613,1cyclictest0-21swapper/207:20:002
2407597991612,2cyclictest0-21swapper/209:00:012
240759599167,3cyclictest2887550-21grep12:13:241
2407595991613,2cyclictest2786783-21kthreadcore11:18:241
2407595991613,2cyclictest2721707-21irqcore10:43:211
2407595991613,2cyclictest2567837-21if_eno109:18:181
2407595991613,2cyclictest2563213-21mailstats09:13:251
2407595991613,2cyclictest0-21swapper/109:08:191
240759299168,2cyclictest0-21swapper/010:16:360
240759299165,6cyclictest2772914-21ssh11:10:350
240759299165,6cyclictest0-21swapper/010:07:000
240759299165,6cyclictest0-21swapper/009:40:080
240759299161,7cyclictest2526356-21ls08:48:170
240759299161,7cyclictest2526356-21ls08:48:170
240759299161,6cyclictest2501301-21perf08:25:010
2407592991613,2cyclictest2407586-21cyclictest07:38:220
2649091150,4phc2sys0-21swapper/311:53:293
2649091150,3phc2sys0-21swapper/311:27:043
2649091150,2phc2sys0-21swapper/311:17:393
2649091150,2phc2sys0-21swapper/310:52:053
2649091150,2phc2sys0-21swapper/310:52:053
2649091150,1phc2sys0-21swapper/312:27:283
240759799151,6cyclictest0-21swapper/212:20:012
2407597991513,1cyclictest0-21swapper/212:40:012
2407597991513,1cyclictest0-21swapper/209:25:012
2407597991513,1cyclictest0-21swapper/208:50:012
2407597991513,1cyclictest0-21swapper/208:50:012
2407597991512,2cyclictest0-21swapper/210:11:272
2407597991512,1cyclictest0-21swapper/212:33:222
2407597991512,1cyclictest0-21swapper/212:05:382
2407597991512,1cyclictest0-21swapper/211:58:182
2407597991512,1cyclictest0-21swapper/211:48:222
2407597991512,1cyclictest0-21swapper/211:25:182
2407597991512,1cyclictest0-21swapper/211:08:282
2407597991512,1cyclictest0-21swapper/210:48:192
2407597991512,1cyclictest0-21swapper/210:42:222
2407597991512,1cyclictest0-21swapper/210:28:272
2407597991512,1cyclictest0-21swapper/210:00:452
2407597991512,1cyclictest0-21swapper/209:20:022
2407597991512,1cyclictest0-21swapper/209:02:312
2407597991512,1cyclictest0-21swapper/208:18:312
2407597991512,1cyclictest0-21swapper/207:35:012
2407597991512,1cyclictest0-21swapper/207:28:162
2407597991511,2cyclictest0-21swapper/212:28:182
240759799150,13cyclictest0-21swapper/209:57:302
240759599158,3cyclictest0-21swapper/107:24:311
240759599155,2cyclictest17350irq/127-ahci[0000:00:17.0]08:33:171
2407595991512,2cyclictest2779468-21missed_timers11:13:221
2407595991512,2cyclictest0-21swapper/110:58:291
2407595991512,2cyclictest0-21swapper/107:50:011
2407595991511,3cyclictest2739989-21kthreadcore10:53:211
2407595991511,3cyclictest2739989-21kthreadcore10:53:211
240759299155,3cyclictest2485637-21cut08:13:210
240759299151,6cyclictest2466602-21kernelversion07:58:200
240759299151,6cyclictest1-21systemd07:30:010
2407592991513,1cyclictest2543594-21awk09:00:000
2407592991511,2cyclictest2458530-21munin-run07:50:010
2649091143,2phc2sys0-21swapper/310:10:433
2649091141,2phc2sys0-21swapper/308:11:363
2649091140,3phc2sys0-21swapper/309:12:143
2649091140,2phc2sys0-21swapper/311:47:573
2649091140,2phc2sys0-21swapper/311:13:183
2649091140,2phc2sys0-21swapper/310:47:543
2649091140,2phc2sys0-21swapper/310:44:573
2649091140,2phc2sys0-21swapper/310:19:123
2649091140,2phc2sys0-21swapper/309:30:393
2649091140,1phc2sys0-21swapper/309:58:043
2407597991412,1cyclictest0-21swapper/207:15:022
2407597991411,1cyclictest0-21swapper/211:38:192
2407597991411,1cyclictest0-21swapper/211:33:222
2407597991411,1cyclictest0-21swapper/210:23:162
2407597991411,1cyclictest0-21swapper/209:55:012
2407597991411,1cyclictest0-21swapper/209:35:002
2407597991411,1cyclictest0-21swapper/209:28:162
2407597991411,1cyclictest0-21swapper/208:43:232
2407597991411,1cyclictest0-21swapper/208:38:192
2407597991411,1cyclictest0-21swapper/207:23:192
240759799140,7cyclictest0-21swapper/210:35:312
240759599144,1cyclictest2902298rtkit-daemon11:27:351
2407595991411,2cyclictest2533348-21kthreadcore08:53:221
2407595991411,2cyclictest2442149-21kthreadcore07:38:211
2407595991411,2cyclictest0-21swapper/108:08:221
2407595991411,2cyclictest0-21swapper/107:18:211
2407592991411,2cyclictest2422485-21tail07:23:130
2649091130,3phc2sys0-21swapper/307:48:153
2649091130,2phc2sys0-21swapper/312:38:273
2649091130,2phc2sys0-21swapper/311:35:393
2649091130,2phc2sys0-21swapper/311:22:403
2649091130,2phc2sys0-21swapper/310:30:183
2649091130,2phc2sys0-21swapper/309:52:103
2649091130,2phc2sys0-21swapper/309:45:053
2649091130,2phc2sys0-21swapper/309:41:083
2649091130,2phc2sys0-21swapper/309:23:373
2649091130,2phc2sys0-21swapper/309:18:523
240759799131,4cyclictest0-21swapper/207:10:012
2407597991311,1cyclictest0-21swapper/211:15:022
2407597991311,1cyclictest0-21swapper/210:18:202
2407597991311,1cyclictest0-21swapper/210:08:262
2407597991310,1cyclictest0-21swapper/211:53:272
2407597991310,1cyclictest0-21swapper/211:43:232
2407597991310,1cyclictest0-21swapper/211:23:132
2407597991310,1cyclictest0-21swapper/211:01:002
2407597991310,1cyclictest0-21swapper/208:53:222
2407597991310,1cyclictest0-21swapper/208:33:212
2407597991310,1cyclictest0-21swapper/208:28:222
240759599135,3cyclictest134050irq/121-eno109:03:221
2407595991310,2cyclictest2526146-21aten_repower_vo08:48:161
2407595991310,2cyclictest2526146-21aten_repower_vo08:48:161
2407592991310,2cyclictest2407602-21latency_hist07:10:000
27123062120,2sleep30-21swapper/310:38:183
2649091120,5phc2sys0-21swapper/308:08:183
2649091120,3phc2sys0-21swapper/307:38:143
2649091120,2phc2sys0-21swapper/312:05:203
2649091120,2phc2sys0-21swapper/311:07:573
2649091120,2phc2sys0-21swapper/309:04:013
2649091120,2phc2sys0-21swapper/308:52:073
2649091120,2phc2sys0-21swapper/308:30:233
2649091120,2phc2sys0-21swapper/307:34:133
2649091120,1phc2sys0-21swapper/309:38:523
2649091120,1phc2sys0-21swapper/307:28:123
25262292120,2sleep30-21swapper/308:48:183
25262292120,2sleep30-21swapper/308:48:183
240759799129,1cyclictest0-21swapper/207:43:212
2407597991210,1cyclictest0-21swapper/210:58:252
2407597991210,1cyclictest0-21swapper/209:48:212
2407597991210,1cyclictest0-21swapper/207:58:262
2649091111,3phc2sys0-21swapper/311:34:103
2649091111,3phc2sys0-21swapper/307:18:223
2649091111,2phc2sys0-21swapper/308:23:223
2649091110,2phc2sys0-21swapper/308:55:433
2649091110,2phc2sys0-21swapper/308:35:443
2649091110,2phc2sys0-21swapper/308:28:273
2649091110,2phc2sys0-21swapper/307:58:453
2649091110,2phc2sys0-21swapper/307:13:173
2649091110,1phc2sys0-21swapper/307:40:253
240759799119,1cyclictest0-21swapper/209:08:222
240759799119,1cyclictest0-21swapper/208:00:132
240759599115,5cyclictest1290-21dbus-daemon07:10:011
2649091102,1phc2sys0-21swapper/310:20:523
2649091101,3phc2sys0-21swapper/312:03:563
2649091101,2phc2sys0-21swapper/307:53:203
2649091100,2phc2sys0-21swapper/311:40:243
2649091100,2phc2sys0-21swapper/308:03:223
2649091100,1phc2sys0-21swapper/307:23:593
240759799107,1cyclictest0-21swapper/208:20:422
264909190,2phc2sys0-21swapper/307:08:163
264909180,2phc2sys0-21swapper/308:42:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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