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2025-07-10 - 03:46
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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 Wed Jul 09, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15303121690,2sleep30-21swapper/309:22:383
3681121480,2sleep20-21swapper/207:55:012
3681121480,2sleep20-21swapper/207:55:002
39755621060,1sleep20-21swapper/211:40:282
1644552550,1sleep10-21swapper/109:30:171
3342032340,2sleep30-21swapper/311:05:223
25010912817,2phc2sys0-21swapper/309:31:233
25010912717,2phc2sys0-21swapper/308:26:293
25010912618,3phc2sys0-21swapper/310:38:463
25010912618,3phc2sys0-21swapper/308:30:213
25010912518,2phc2sys0-21swapper/311:20:193
25010912518,2phc2sys0-21swapper/310:12:013
25010912518,2phc2sys0-21swapper/308:20:153
25010912517,2phc2sys0-21swapper/310:50:203
25010912418,3phc2sys0-21swapper/311:15:103
25010912418,3phc2sys0-21swapper/309:50:193
25010912418,2phc2sys0-21swapper/312:30:053
25010912418,2phc2sys0-21swapper/312:02:233
25010912418,2phc2sys0-21swapper/311:49:143
25010912418,2phc2sys0-21swapper/311:39:083
25010912418,2phc2sys0-21swapper/311:12:563
25010912418,2phc2sys0-21swapper/310:48:443
25010912418,2phc2sys0-21swapper/310:26:233
25010912418,2phc2sys0-21swapper/310:05:593
25010912418,2phc2sys0-21swapper/310:04:073
25010912418,2phc2sys0-21swapper/309:45:473
25010912418,2phc2sys0-21swapper/309:42:313
25010912418,2phc2sys0-21swapper/309:00:553
25010912418,2phc2sys0-21swapper/308:52:053
25010912418,2phc2sys0-21swapper/307:57:033
25010912418,2phc2sys0-21swapper/307:45:133
25010912418,2phc2sys0-21swapper/307:13:153
25010912417,2phc2sys0-21swapper/312:19:523
25010912417,2phc2sys0-21swapper/310:31:563
4173445992320,1cyclictest0-21swapper/209:20:032
4173444992317,2cyclictest178850irq/121-eno111:50:221
417344399238,5cyclictest1-21systemd09:55:020
4173443992317,2cyclictest435398-21grep12:05:000
25010912318,3phc2sys0-21swapper/312:38:023
25010912318,3phc2sys0-21swapper/312:26:283
25010912318,3phc2sys0-21swapper/312:06:003
25010912318,3phc2sys0-21swapper/311:55:223
25010912318,3phc2sys0-21swapper/311:54:333
25010912318,3phc2sys0-21swapper/311:26:043
25010912318,3phc2sys0-21swapper/310:20:213
25010912318,3phc2sys0-21swapper/309:59:253
25010912318,3phc2sys0-21swapper/309:26:593
25010912318,3phc2sys0-21swapper/308:10:213
25010912318,3phc2sys0-21swapper/308:02:273
25010912318,3phc2sys0-21swapper/307:40:553
25010912318,3phc2sys0-21swapper/307:39:273
25010912318,3phc2sys0-21swapper/307:18:353
25010912317,2phc2sys0-21swapper/310:17:423
25010912317,2phc2sys0-21swapper/308:59:473
25010912317,2phc2sys0-21swapper/308:48:453
25010912317,2phc2sys0-21swapper/308:48:453
25010912317,2phc2sys0-21swapper/308:18:393
25010912317,2phc2sys0-21swapper/307:53:513
25010912317,2phc2sys0-21swapper/307:53:513
25010912317,2phc2sys0-21swapper/307:23:533
17822022318,3sleep30-21swapper/309:35:373
46959522218,2sleep20-21swapper/212:23:292
45344922218,2sleep20-21swapper/212:15:132
43326022218,2sleep20-21swapper/212:01:332
418197622218,2sleep20-21swapper/207:15:152
4173444992219,2cyclictest330050-21grep11:05:011
4173444992219,2cyclictest145890-21grep09:20:021
4173443992214,4cyclictest314941-21kthreadcore10:55:260
41537622218,2sleep20-21swapper/211:50:552
39158022218,2sleep20-21swapper/211:39:582
38223022218,2sleep20-21swapper/211:33:562
37306822218,2sleep20-21swapper/211:28:232
35378222218,2sleep20-21swapper/211:16:052
34401922218,2sleep20-21swapper/211:10:272
33616222218,2sleep20-21swapper/211:05:592
32011422218,2sleep20-21swapper/210:59:022
31244122218,2sleep30-21swapper/310:55:173
30241522218,2sleep20-21swapper/210:49:002
2815522218,2sleep20-21swapper/207:45:252
25010912218,2phc2sys0-21swapper/311:45:013
25010912218,2phc2sys0-21swapper/309:07:413
25010912218,2phc2sys0-21swapper/307:30:273
25010912217,3phc2sys0-21swapper/307:26:573
24875822218,2sleep20-21swapper/210:17:092
24084222218,2sleep20-21swapper/210:13:242
22248322218,2sleep20-21swapper/210:01:452
20572422218,2sleep20-21swapper/209:52:562
1935622218,2sleep20-21swapper/207:40:192
17884722218,2sleep20-21swapper/209:36:412
17023522218,2sleep20-21swapper/209:31:512
9751022118,2sleep30-21swapper/308:41:353
8556222117,2sleep20-21swapper/208:33:542
7927022118,2sleep20-21swapper/208:25:312
47794022118,2sleep20-21swapper/212:27:472
44149722118,2sleep20-21swapper/212:05:432
4255022118,2sleep20-21swapper/207:57:422
417344622117,2sleep20-21swapper/207:10:022
4173443992117,3cyclictest444119-21latency_hist12:10:010
4173443992117,3cyclictest2240602-1atopacctd12:10:230
4173443992111,5cyclictest0-21swapper/011:05:000
4173443992110,6cyclictest0-21swapper/011:40:160
40860422118,2sleep20-21swapper/211:49:122
38156022118,2sleep30-21swapper/311:32:523
32832122118,2sleep30-21swapper/311:03:023
31096722117,2sleep20-21swapper/210:53:322
29317822117,2sleep20-21swapper/210:43:222
25010912117,2phc2sys0-21swapper/310:44:043
16073522117,2sleep20-21swapper/209:25:312
15246722118,2sleep20-21swapper/209:21:412
14319022118,2sleep30-21swapper/309:15:453
12866322118,2sleep20-21swapper/209:10:112
9763622017,2sleep20-21swapper/208:43:152
553222017,2sleep20-21swapper/207:26:332
5518122017,2sleep20-21swapper/208:10:132
5460822017,2sleep30-21swapper/308:06:493
5451022017,2sleep20-21swapper/208:05:312
4863522017,2sleep20-21swapper/208:02:522
419350122017,2sleep20-21swapper/207:22:032
417928222017,2sleep20-21swapper/207:13:142
4173445992017,1cyclictest0-21swapper/208:50:152
4173444992017,2cyclictest770595-21systemd-journal07:15:001
4173444992017,2cyclictest268046-21/usr/sbin/munin10:30:011
417344399209,6cyclictest0-21swapper/011:20:020
417344399208,7cyclictest0-21swapper/009:15:160
4173443992017,2cyclictest49065-21latency_hist08:05:020
4173443992017,2cyclictest216036-21/usr/sbin/munin10:00:030
4173443992017,2cyclictest155004-21taskset09:25:010
4173443992011,5cyclictest163633-21latency_hist09:30:020
25796922017,2sleep20-21swapper/210:22:582
25010912017,2phc2sys0-21swapper/312:12:273
25010912017,2phc2sys0-21swapper/308:36:433
1775722017,2sleep20-21swapper/207:37:232
12768122017,2sleep20-21swapper/209:05:592
12190122017,2sleep20-21swapper/209:04:302
1159222017,2sleep20-21swapper/207:31:292
4173444991916,2cyclictest121958-21awk09:05:001
4173444991916,2cyclictest0-21swapper/112:30:021
4173443991916,2cyclictest417943-21systemd-run11:55:000
4173443991916,2cyclictest374231-21/usr/sbin/munin11:30:020
4173443991912,6cyclictest73835-21kworker/u16:3+nfsiod09:10:460
4173443991912,6cyclictest0-21swapper/012:20:250
4173443991911,7cyclictest496984-21systemd-run12:40:010
13454521916,2sleep30-21swapper/309:10:563
4173445991816,1cyclictest0-21swapper/210:35:012
417344499188,2cyclictest178850irq/121-eno110:35:151
4173444991815,2cyclictest467739-21head12:20:261
4173444991815,2cyclictest2586052sleep110:24:011
4173444991815,2cyclictest2240602-1atopacctd11:56:551
4173444991815,2cyclictest198387-21systemd-run09:50:021
4173444991815,2cyclictest1695-21dbus-daemon12:15:001
4173444991813,4cyclictest1695-21dbus-daemon09:10:011
4173443991815,2cyclictest186220-21needreboot09:40:250
417344399181,13cyclictest0-21swapper/010:36:210
4173445991714,1cyclictest0-21swapper/210:25:212
4173445991714,1cyclictest0-21swapper/210:00:022
4173445991714,1cyclictest0-21swapper/208:25:022
417344499178,4cyclictest0-21swapper/110:45:011
4173444991714,2cyclictest241837-21wc10:15:001
4173444991714,2cyclictest1761-21gdbus08:00:011
4173444991714,2cyclictest0-21swapper/107:50:021
4173444991714,2cyclictest0-21swapper/107:40:021
4173444991711,1cyclictest61468-21/usr/sbin/munin08:15:031
4173444991710,3cyclictest339081-21/usr/sbin/munin11:10:301
417344399177,5cyclictest418330-21/usr/sbin/munin11:55:190
417344399176,6cyclictest0-21swapper/011:35:170
4173443991715,1cyclictest172344-21/usr/sbin/munin09:35:010
4173443991714,2cyclictest4180913-21latency_hist07:15:020
4173443991714,2cyclictest268003-21basename10:30:010
4173443991714,2cyclictest122001-21systemd09:05:000
4173443991714,2cyclictest1-21systemd10:45:000
4173443991710,6cyclictest343666-21kthreadcore11:10:250
4173445991613,1cyclictest0-21swapper/212:30:222
4173445991613,1cyclictest0-21swapper/211:56:262
4173445991613,1cyclictest0-21swapper/210:10:002
4173445991613,1cyclictest0-21swapper/208:39:592
4173445991613,1cyclictest0-21swapper/208:20:012
417344499168,3cyclictest0-21swapper/112:40:021
417344499168,3cyclictest0-21swapper/112:05:001
417344499168,3cyclictest0-21swapper/110:05:011
417344499162,2cyclictest178850irq/121-eno109:30:011
4173444991614,1cyclictest0-21swapper/112:10:011
4173444991613,2cyclictest48419-21unixbench_singl08:00:271
4173444991613,2cyclictest356392-21latency_hist11:20:011
4173444991613,2cyclictest1700-21gmain07:30:011
4173444991612,3cyclictest73835-21kworker/u16:3+nfsiod09:38:201
4173444991612,3cyclictest294400-21kworker/u16:3+nfsiod11:38:191
4173444991612,3cyclictest225648-21gltestperf10:05:181
4173444991612,3cyclictest208894-21kthreadcore09:55:231
4173444991611,4cyclictest4173441-21cyclictest09:40:201
417344399169,6cyclictest0-21swapper/012:25:230
417344399167,5cyclictest0-21swapper/010:20:010
417344399166,5cyclictest0-21swapper/011:30:220
417344399165,6cyclictest0-21swapper/010:10:150
417344399165,6cyclictest0-21swapper/007:51:280
417344399165,6cyclictest0-21swapper/007:51:270
4173443991613,2cyclictest770595-21systemd-journal10:50:020
4173443991613,2cyclictest61021-21/usr/sbin/munin08:15:010
4173443991613,2cyclictest409180-21systemd-run11:50:000
4173443991613,2cyclictest1731-21in:imuxsock08:30:000
4173443991613,2cyclictest1707-21polkitd11:10:010
4173443991613,2cyclictest128158-21apt-config09:10:010
4173443991613,2cyclictest0-21swapper/008:20:010
4173443991613,2cyclictest0-21swapper/007:40:020
11575621614,1sleep20-21swapper/208:58:222
46805121512,2sleep30-21swapper/312:20:543
4173445991513,1cyclictest0-21swapper/212:40:032
4173445991513,1cyclictest0-21swapper/209:45:012
4173445991511,2cyclictest0-21swapper/212:10:222
417344499157,3cyclictest0-21swapper/112:20:011
4173444991513,1cyclictest66521-21mailstats08:15:311
4173444991512,2cyclictest90403-21kthreadcore08:35:231
4173444991512,2cyclictest4173441-21cyclictest11:24:121
4173444991512,2cyclictest3863153-21avahi-daemon11:50:011
4173444991512,2cyclictest379798-21/usr/sbin/munin11:30:271
4173444991512,2cyclictest243763-21kthreadcore10:15:231
4173444991511,3cyclictest73835-21kworker/u16:3+nfsiod09:21:081
4173444991511,3cyclictest106900-21kthreadcore08:50:201
4173444991510,1cyclictest178850irq/121-eno111:25:231
417344399158,2cyclictest97802-21grep08:45:000
417344399156,8cyclictest4192170-21tr07:20:220
417344399156,2cyclictest73314-21latency_hist08:25:030
417344399155,2cyclictest0-21swapper/010:30:160
417344399153,4cyclictest5679-21sshd07:28:270
4173443991513,1cyclictest256091-21mailstats10:20:260
4173443991512,2cyclictest4183312-21sort07:15:230
4173443991512,2cyclictest320815-21kworker/u16:1-rpciod11:25:010
4173443991512,2cyclictest224652-21cut10:05:010
4173443991512,2cyclictest0-21swapper/007:50:010
4173443991510,3cyclictest103818-21perf08:50:010
4173443991510,3cyclictest103818-21perf08:50:000
417344399150,3cyclictest91732-21wc08:39:590
4173445991412,1cyclictest0-21swapper/209:50:022
4173445991411,1cyclictest0-21swapper/211:24:502
4173445991411,1cyclictest0-21swapper/208:50:012
4173445991411,1cyclictest0-21swapper/208:50:002
417344499144,2cyclictest491rcuog/211:40:221
417344499142,1cyclictest178850irq/121-eno109:55:001
4173444991411,3cyclictest73835-21kworker/u16:3+events_freezable_pwr_efficient10:34:441
4173444991411,2cyclictest85914-21munin-plugin-st08:35:031
4173444991411,2cyclictest49824-21gltestperf08:05:181
4173444991411,2cyclictest315344-21kthreadcore10:55:261
4173444991411,2cyclictest295043-21cpuspeed_turbos10:45:171
4173444991411,2cyclictest128812-21aten_repower_fr09:10:141
4173444991410,3cyclictest8924-21kthreadcore07:30:221
4173444991410,3cyclictest54909-21kworker/u16:0+nfsiod10:52:121
4173444991410,3cyclictest426844-21kworker/u16:0+nfsiod12:30:041
4173444991410,3cyclictest21365-21kthreadcore07:40:221
417344499140,8cyclictest1695-21dbus-daemon08:50:011
417344499140,8cyclictest1695-21dbus-daemon08:50:001
417344399148,5cyclictest225668-21tail10:05:180
4173443991411,2cyclictest8924-21kthreadcore07:30:220
4173443991411,2cyclictest480036-21rm12:30:170
4173443991411,2cyclictest453486-21/usr/sbin/munin12:15:230
4173443991411,2cyclictest304130-21cut10:50:170
4173443991410,3cyclictest49686-21sh08:05:160
417344499139,3cyclictest76967-21kthreadcore08:25:231
417344499139,3cyclictest4189488-21kthreadcore07:20:211
417344499139,3cyclictest33561-21kthreadcore07:50:231
417344499139,3cyclictest33561-21kthreadcore07:50:221
4173444991310,2cyclictest68458-21if_enp1s0.808:20:211
4173444991310,2cyclictest4187766-21latency_hist07:20:011
4173444991310,2cyclictest330586-21cpuspeed_turbos11:05:171
4173444991310,2cyclictest114967-21phc2sys-jitter08:55:241
417344399134,2cyclictest0-21swapper/009:39:450
4173443991310,2cyclictest37022-21aten_repower_cu07:55:140
4173443991310,2cyclictest19900-21kthreadcore07:40:200
4173443991310,2cyclictest193771-21kthreadcore09:45:200
4173443991310,2cyclictest113894-21kthreadcore08:55:220
4173443991310,2cyclictest104220-21aten_repower_fr08:50:130
4173445991210,1cyclictest0-21swapper/211:00:232
4173445991210,1cyclictest0-21swapper/210:35:212
417344499129,2cyclictest96322-21kthreadcore08:40:221
417344399121,7cyclictest0-21swapper/008:30:160
417344399113,3cyclictest4173552-21munin-run07:10:020
417344499104,5cyclictest1695-21dbus-daemon07:10:021
4167602271,3sleep30-21swapper/307:05:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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