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2025-11-17 - 19:27
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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 Mon Nov 17, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117704422010,2sleep30-21swapper/311:05:413
128760921190,2sleep30-21swapper/312:10:333
122769621110,2sleep20-21swapper/211:35:372
11137612290,2sleep20-21swapper/210:30:332
825404992720,2cyclictest191rcu_preempt12:00:011
825403992716,7cyclictest1264753-21kthreadcore11:55:410
825403992714,5cyclictest1063478-21kthreadcore10:00:430
825403992712,7cyclictest0-21swapper/012:40:010
13224282260,0sleep11322430-21basename12:30:351
82540499250,10cyclictest1304421-21munin-run12:20:011
825403992519,2cyclictest1008466-21/usr/sbin/munin09:30:010
825404992319,1cyclictest191rcu_preempt07:15:321
825404992216,2cyclictest191rcu_preempt08:25:371
825404992215,3cyclictest1304900-21/usr/sbin/munin12:20:411
825404992214,3cyclictest36-21ksoftirqd/110:40:011
825403992211,6cyclictest0-21swapper/010:05:430
825404992118,2cyclictest864109-21awk07:40:001
825404992115,2cyclictest191rcu_preempt10:20:361
82540499210,12cyclictest1202457-21tr11:20:381
82540499209,5cyclictest927921-21cut08:30:401
82540499204,11cyclictest1295625-21cron12:15:001
825404992015,1cyclictest191rcu_preempt11:45:221
825404992013,3cyclictest1116363-21kthreadcore10:30:401
825404992013,2cyclictest191rcu_preempt07:10:391
82540399209,6cyclictest0-21swapper/010:15:510
82540399208,6cyclictest0-21swapper/011:45:330
82540399204,1cyclictest1279007-21apt-get12:05:350
825403992017,2cyclictest1652-1atopacctd09:50:010
825403992017,2cyclictest1261013-21dump-pmu-power11:55:000
825403992017,2cyclictest0-21swapper/011:20:010
825403992010,5cyclictest0-21swapper/010:35:010
82540499199,4cyclictest865658-21sed07:40:411
82540499198,6cyclictest36-21ksoftirqd/109:25:011
82540499198,3cyclictest1105713-21fschecks_count10:25:371
82540499197,7cyclictest36-21ksoftirqd/110:20:021
82540499196,3cyclictest973643-21diskmemload11:20:001
82540499195,7cyclictest874207-21kthreadcore07:45:421
825404991916,2cyclictest900690-21systemd08:10:011
825404991916,2cyclictest1700-21systemd-logind08:55:011
825404991916,2cyclictest1-21systemd08:50:001
825404991914,1cyclictest191rcu_preempt07:20:351
825404991913,2cyclictest191rcu_preempt08:55:361
825404991913,1cyclictest191rcu_preempt10:45:021
825404991911,3cyclictest1167380-21kthreadcore11:00:411
825404991910,4cyclictest1054013-21kthreadcore09:55:431
82540499190,8cyclictest1338963-21lockfile-create12:40:001
82540499190,6cyclictest0-21swapper/109:30:321
825403991916,2cyclictest825401-21cyclictest07:45:010
825403991913,2cyclictest0-21swapper/012:00:290
302487291191,8phc2sys0-21swapper/311:40:323
302487291190,3phc2sys0-21swapper/310:53:123
302487291190,2phc2sys0-21swapper/309:21:583
82540599182,9cyclictest0-21swapper/210:50:012
825405991815,1cyclictest0-21swapper/211:35:002
82540499189,4cyclictest882895-21cpuspeed_turbos07:55:361
82540499189,4cyclictest1286172-21sh12:08:361
82540499189,3cyclictest909168-21cut08:15:431
82540499188,4cyclictest933251-21cut08:35:421
82540499188,4cyclictest1028495-21cut09:40:401
82540499188,3cyclictest847162-21irqcore07:25:391
82540499187,4cyclictest986037-21kthreadcore09:15:401
82540499185,6cyclictest36-21ksoftirqd/111:30:011
82540499183,9cyclictest1161291-21tr10:55:431
82540499183,10cyclictest1219619-21kthreadcore11:30:411
82540499181,5cyclictest0-21swapper/112:00:331
825404991814,3cyclictest973047-21timerandwakeup09:05:461
825404991814,3cyclictest1044323-21cstates09:50:341
825404991812,2cyclictest191rcu_preempt08:40:391
825404991812,2cyclictest191rcu_preempt08:00:441
825404991810,3cyclictest36-21ksoftirqd/109:15:001
82540499180,9cyclictest1061682-21ssh10:00:351
82540499180,12cyclictest1316061-21tr12:25:411
82540399189,5cyclictest0-21swapper/010:50:010
82540399188,5cyclictest0-21swapper/009:24:460
82540399187,6cyclictest0-21swapper/012:35:010
82540399187,6cyclictest0-21swapper/012:10:400
82540399187,6cyclictest0-21swapper/009:15:010
825403991815,2cyclictest1-21systemd07:40:020
825403991812,3cyclictest988150-21ssh09:15:450
825403991811,6cyclictest1149869-21irqrtprio10:50:390
825403991811,4cyclictest901063-21aten2.4-expect08:10:340
82540399180,8cyclictest1239570-21tr11:40:400
302487291180,3phc2sys0-21swapper/312:22:243
302487291180,2phc2sys0-21swapper/312:18:003
302487291180,2phc2sys0-21swapper/311:20:293
302487291180,2phc2sys0-21swapper/310:27:473
107838921814,2sleep11635-21dbus-daemon10:10:011
82540599179,4cyclictest0-21swapper/209:45:332
825405991714,1cyclictest0-21swapper/211:25:012
825405991714,1cyclictest0-21swapper/210:55:012
825405991714,1cyclictest0-21swapper/209:55:472
825405991711,3cyclictest0-21swapper/211:30:012
82540499179,3cyclictest36-21ksoftirqd/110:45:391
82540499179,3cyclictest36-21ksoftirqd/110:10:471
82540499178,2cyclictest191rcu_preempt11:10:341
82540499177,8cyclictest341rcuc/111:40:011
82540499176,6cyclictest1002754-21tr09:25:391
82540499176,3cyclictest36-21ksoftirqd/111:40:361
82540499175,4cyclictest1148726-21cut10:50:331
82540499173,9cyclictest36-21ksoftirqd/111:05:381
825404991715,1cyclictest1043663-21unin-run09:50:021
825404991714,2cyclictest1702-21in:imuxsock08:25:001
825404991713,2cyclictest341rcuc/107:35:021
825404991712,1cyclictest191rcu_preempt09:35:371
825404991712,1cyclictest191rcu_preempt08:13:431
82540499171,10cyclictest1255826-21kthreadcore11:50:401
825404991710,2cyclictest964355-21kthreadcore09:00:421
82540399178,5cyclictest1082163-21kthreadcore10:10:440
82540399173,8cyclictest1098002-21kthreadcore10:20:400
825403991714,2cyclictest943362-21systemd-run08:45:010
825403991714,2cyclictest834751-21gltestperf07:15:360
825403991714,2cyclictest1652-1atopacctd09:30:400
825403991711,5cyclictest1217730-21kworker/u16:0-rpciod12:18:270
825403991710,6cyclictest1214883-21timerandwakeup11:25:460
82540399170,6cyclictest11327152tr10:40:390
302487291177,3phc2sys0-21swapper/310:20:013
302487291170,2phc2sys0-21swapper/309:13:313
825405991614,1cyclictest0-21swapper/212:00:402
825405991613,2cyclictest0-21swapper/210:05:432
825405991613,2cyclictest0-21swapper/208:40:052
825405991613,1cyclictest0-21swapper/211:55:342
825405991613,1cyclictest0-21swapper/211:55:002
825405991613,1cyclictest0-21swapper/211:05:322
825405991613,1cyclictest0-21swapper/210:30:002
825405991613,1cyclictest0-21swapper/209:15:012
825405991613,1cyclictest0-21swapper/208:55:002
825405991613,1cyclictest0-21swapper/208:35:012
825404991611,1cyclictest191rcu_preempt07:50:391
82540399169,3cyclictest1227092-21aten2.4-expect11:35:350
82540399166,6cyclictest0-21swapper/007:50:340
82540399163,9cyclictest1635-21dbus-daemon07:30:010
82540399163,2cyclictest0-21swapper/009:55:510
825403991613,2cyclictest894706-21munin-plugin-st08:05:020
825403991613,2cyclictest831681-21sh07:15:020
825403991613,2cyclictest1661-21polkitd09:05:010
825403991613,2cyclictest1631-21gmain11:12:560
825403991612,3cyclictest871825-21kthreadcore07:45:420
302487291160,3phc2sys0-21swapper/312:27:423
82540599151,6cyclictest0-21swapper/209:35:332
825405991513,1cyclictest0-21swapper/212:10:032
825405991513,1cyclictest0-21swapper/207:40:022
825405991512,2cyclictest0-21swapper/209:25:012
825405991512,1cyclictest0-21swapper/210:42:042
825405991512,1cyclictest0-21swapper/210:35:382
825405991512,1cyclictest0-21swapper/209:19:072
825405991512,1cyclictest0-21swapper/208:35:422
825405991512,1cyclictest0-21swapper/207:55:012
825405991511,2cyclictest0-21swapper/210:56:352
825405991511,2cyclictest0-21swapper/209:53:462
82540499157,3cyclictest36-21ksoftirqd/107:10:021
82540399155,2cyclictest888435-21munin-run08:00:000
82540399153,7cyclictest1166198-21tail11:00:360
825403991513,1cyclictest0-21swapper/009:45:010
825403991512,2cyclictest958859-21kthreadcore08:55:400
825403991512,2cyclictest1321796-21latency_hist12:30:010
825403991512,2cyclictest1159732-21kthreadcore10:55:420
825403991512,2cyclictest0-21swapper/008:40:010
825403991512,2cyclictest0-21swapper/008:25:010
82540399150,4cyclictest1123770-21kthreadcore10:35:390
82540399150,15cyclictest0-21swapper/009:50:200
302487291150,2phc2sys0-21swapper/311:11:213
302487291150,2phc2sys0-21swapper/309:43:163
302487291150,2phc2sys0-21swapper/308:55:333
82540599149,2cyclictest0-21swapper/210:14:462
825405991411,1cyclictest0-21swapper/212:20:452
825405991411,1cyclictest0-21swapper/212:05:392
825405991411,1cyclictest0-21swapper/211:42:562
825405991411,1cyclictest0-21swapper/209:30:392
825405991411,1cyclictest0-21swapper/208:48:452
825405991411,1cyclictest0-21swapper/207:30:402
82540399146,7cyclictest898875-21tr08:05:410
82540399144,4cyclictest840315-21aten2.4-expect07:20:340
825403991412,1cyclictest973741-21systemd-run09:10:010
825403991411,2cyclictest949884-21aten_repower_vo08:50:330
825403991411,2cyclictest924902-21latency_hist08:30:010
825403991411,2cyclictest857086-21phc2sys-jitter07:30:430
825403991411,2cyclictest1305075-21head12:20:350
825403991411,2cyclictest1201672-21cut11:20:350
82540399140,8cyclictest1176531-21kthreadcore11:05:400
82540399140,2cyclictest0-21swapper/009:35:020
302487291149,2phc2sys0-21swapper/312:30:413
302487291140,3phc2sys0-21swapper/312:06:223
302487291140,3phc2sys0-21swapper/311:55:413
82540599139,3cyclictest0-21swapper/210:02:112
82540599139,2cyclictest0-21swapper/211:45:452
82540599135,4cyclictest0-21swapper/212:25:332
82540599131,6cyclictest0-21swapper/207:50:012
825405991311,1cyclictest0-21swapper/210:20:332
825405991311,1cyclictest0-21swapper/209:05:022
825405991311,1cyclictest0-21swapper/208:55:342
825405991311,1cyclictest0-21swapper/207:15:022
825405991310,1cyclictest0-21swapper/212:35:432
825405991310,1cyclictest0-21swapper/212:15:102
825405991310,1cyclictest0-21swapper/211:15:472
825405991310,1cyclictest0-21swapper/210:15:522
825405991310,1cyclictest0-21swapper/209:26:012
825405991310,1cyclictest0-21swapper/208:10:002
825405991310,1cyclictest0-21swapper/207:55:422
825405991310,1cyclictest0-21swapper/207:20:352
82540399137,5cyclictest1-21systemd08:20:000
82540399134,8cyclictest1225695-1ssh11:34:030
82540399133,6cyclictest0-21swapper/008:31:460
82540399131,7cyclictest1106253-21irqrtprio10:25:400
825403991310,2cyclictest0-21swapper/008:45:390
302487291131,5phc2sys0-21swapper/307:05:323
302487291131,3phc2sys0-21swapper/307:55:343
302487291131,2phc2sys0-21swapper/311:25:183
302487291131,2phc2sys0-21swapper/308:54:453
302487291130,2phc2sys0-21swapper/311:31:273
302487291130,2phc2sys0-21swapper/310:23:423
302487291130,2phc2sys0-21swapper/309:25:473
302487291130,2phc2sys0-21swapper/309:17:453
82540599129,1cyclictest0-21swapper/212:30:422
82540599129,1cyclictest0-21swapper/211:00:412
82540599129,1cyclictest0-21swapper/208:20:422
82540599129,1cyclictest0-21swapper/208:00:382
82540599129,1cyclictest0-21swapper/207:25:352
82540599128,3cyclictest0-21swapper/211:10:312
82540599128,2cyclictest0-21swapper/209:40:372
82540599121,4cyclictest0-21swapper/207:15:322
82540399129,2cyclictest0-21swapper/007:10:010
302487291121,3phc2sys0-21swapper/310:05:353
302487291121,3phc2sys0-21swapper/308:35:333
302487291121,2phc2sys0-21swapper/312:03:093
302487291120,2phc2sys0-21swapper/311:49:223
302487291120,2phc2sys0-21swapper/309:56:373
302487291120,2phc2sys0-21swapper/308:48:513
302487291120,2phc2sys0-21swapper/308:23:153
302487291120,2phc2sys0-21swapper/308:12:173
302487291120,2phc2sys0-21swapper/308:05:403
302487291120,2phc2sys0-21swapper/307:48:453
82540599119,1cyclictest0-21swapper/208:10:342
82540599119,1cyclictest0-21swapper/207:40:402
82540599118,1cyclictest0-21swapper/208:25:412
82540599118,1cyclictest0-21swapper/208:15:442
82540599111,4cyclictest0-21swapper/209:05:342
302487291116,2phc2sys0-21swapper/310:40:223
302487291113,2phc2sys0-21swapper/307:22:523
302487291112,2phc2sys0-21swapper/309:49:163
302487291111,4phc2sys0-21swapper/311:55:003
302487291111,4phc2sys0-21swapper/307:15:323
302487291111,3phc2sys0-21swapper/310:37:013
302487291111,3phc2sys0-21swapper/307:40:393
302487291111,2phc2sys0-21swapper/310:10:483
302487291110,2phc2sys0-21swapper/311:35:323
302487291110,2phc2sys0-21swapper/310:35:003
302487291110,2phc2sys0-21swapper/307:50:333
302487291101,2phc2sys0-21swapper/311:17:043
302487291100,4phc2sys0-21swapper/309:05:423
302487291100,2phc2sys0-21swapper/312:35:363
302487291100,2phc2sys0-21swapper/311:03:383
302487291100,2phc2sys0-21swapper/310:55:203
302487291100,2phc2sys0-21swapper/310:00:183
302487291100,2phc2sys0-21swapper/309:35:443
302487291100,2phc2sys0-21swapper/309:30:113
302487291100,2phc2sys0-21swapper/308:00:353
302487291100,2phc2sys0-21swapper/307:30:013
8254059997,1cyclictest0-21swapper/207:10:012
30248729191,2phc2sys0-21swapper/307:10:423
30248729190,3phc2sys0-21swapper/309:05:013
30248729190,3phc2sys0-21swapper/307:35:333
30248729190,2phc2sys0-21swapper/310:45:343
30248729190,2phc2sys0-21swapper/309:50:203
30248729190,2phc2sys0-21swapper/308:40:383
30248729190,2phc2sys0-21swapper/308:30:403
30248729190,2phc2sys0-21swapper/308:25:393
30248729190,2phc2sys0-21swapper/308:15:383
30248729190,2phc2sys0-21swapper/307:30:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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