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2026-07-25 - 22:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Sat Jul 25, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1350821560,4sleep21717099cyclictest10:10:012
1068911030,3ptp4l401ktimersoftd/309:14:203
44902810,13sleep01716099cyclictest12:13:520
103882680,4sleep21717099cyclictest13:24:532
162672674,10sleep20-21swapper/209:09:532
170392654,10sleep00-21swapper/009:14:150
31542610,2sleep10-21swapper/112:44:531
31542610,2sleep10-21swapper/112:44:531
123592610,4sleep112361-21fschecks_time10:09:481
247012600,4sleep31717899cyclictest11:28:263
319932570,3sleep30-21swapper/311:34:533
168392544,36sleep10-21swapper/109:11:381
160162540,1sleep00-21swapper/014:36:210
179752530,2sleep00-21swapper/011:20:240
246132520,1sleep10-21swapper/114:12:531
202972500,1sleep30-21swapper/311:24:213
1717899505,12cyclictest31677-21seq12:08:183
1717899494,13cyclictest4389-21/usr/sbin/munin13:19:543
106142470,1sleep00-21swapper/012:52:390
1716099453,35cyclictest0-21swapper/009:24:400
17178994313,15cyclictest8481-21apt-get11:09:453
1716599415,14cyclictest10545-21diskmemload12:53:211
1716099413,9cyclictest10203-21apt-get12:19:450
1716099413,5cyclictest0-21swapper/013:04:460
1716099413,32cyclictest0-21swapper/011:14:440
1716099412,5cyclictest0-21swapper/013:19:470
1716099412,34cyclictest0-21swapper/014:39:490
1716099411,5cyclictest0-21swapper/010:09:440
1716099410,5cyclictest31002-21grep11:34:460
1716599402,14cyclictest16662-21munin-run10:19:291
1716099403,9cyclictest3513-21apt-get10:59:420
1716099403,9cyclictest3513-21apt-get10:59:420
1716099402,5cyclictest0-21swapper/014:24:490
1716099402,5cyclictest0-21swapper/014:24:490
1716099402,4cyclictest0-21swapper/012:34:460
1716099392,33cyclictest64-21kswapd013:34:470
17160993913,23cyclictest12200-21seq14:33:120
17160993913,23cyclictest10545-21diskmemload11:31:080
106891390,1ptp4l401ktimersoftd/314:10:323
106891390,1ptp4l401ktimersoftd/312:19:233
106891390,1ptp4l401ktimersoftd/311:32:533
106891390,1ptp4l401ktimersoftd/311:18:343
1716599382,15cyclictest26406-21snmp_o5powerctl12:35:001
1716099389,25cyclictest1128-21acpi10:54:440
17160993818,17cyclictest9-21ksoftirqd/010:18:460
17160993814,21cyclictest4226-21sh12:45:050
17160993814,21cyclictest4226-21sh12:45:050
17160993812,22cyclictest25880-21interrupts09:29:470
17160993811,24cyclictest27541-21/usr/sbin/munin09:34:510
17160993811,24cyclictest1055-21runrttasks11:40:000
1716099380,35cyclictest0-21swapper/014:17:140
106891380,1ptp4l401ktimersoftd/314:42:273
106891380,1ptp4l401ktimersoftd/314:31:053
106891380,1ptp4l401ktimersoftd/314:26:453
106891380,1ptp4l401ktimersoftd/314:26:453
106891380,1ptp4l401ktimersoftd/314:17:203
106891380,1ptp4l401ktimersoftd/314:09:123
106891380,1ptp4l401ktimersoftd/313:57:203
106891380,1ptp4l401ktimersoftd/313:52:403
106891380,1ptp4l401ktimersoftd/313:47:233
106891380,1ptp4l401ktimersoftd/313:44:133
106891380,1ptp4l401ktimersoftd/313:34:513
106891380,1ptp4l401ktimersoftd/313:05:453
106891380,1ptp4l401ktimersoftd/312:55:333
106891380,1ptp4l401ktimersoftd/312:40:293
106891380,1ptp4l401ktimersoftd/312:40:293
106891380,1ptp4l401ktimersoftd/312:39:163
106891380,1ptp4l401ktimersoftd/312:31:433
106891380,1ptp4l401ktimersoftd/311:59:113
106891380,1ptp4l401ktimersoftd/311:42:163
1716599372,15cyclictest16082-21users13:30:021
1716099373,7cyclictest17048-21apt-get12:59:450
1716099373,4cyclictest12186-21apt-get12:54:480
1716099372,6cyclictest32580-21apt-get09:44:410
17160993712,22cyclictest6383-21cat12:14:540
17160993712,22cyclictest10545-21diskmemload13:56:110
17160993712,22cyclictest10545-21diskmemload12:43:020
17160993712,22cyclictest10545-21diskmemload12:43:020
17160993711,23cyclictest8660-21fschecks_time11:44:480
17160993711,23cyclictest25610-21sed10:35:000
17160993711,23cyclictest15540-21seq14:04:130
106891370,1ptp4l401ktimersoftd/314:35:133
106891370,1ptp4l401ktimersoftd/313:30:153
106891370,1ptp4l401ktimersoftd/313:27:123
106891370,1ptp4l401ktimersoftd/313:16:393
106891370,1ptp4l401ktimersoftd/313:12:003
106891370,1ptp4l401ktimersoftd/313:01:143
106891370,1ptp4l401ktimersoftd/312:53:533
106891370,1ptp4l401ktimersoftd/312:19:443
106891370,1ptp4l401ktimersoftd/312:00:593
106891370,1ptp4l401ktimersoftd/311:52:053
106891370,0ptp4l401ktimersoftd/314:02:333
106891370,0ptp4l401ktimersoftd/312:11:293
106891370,0ptp4l401ktimersoftd/311:45:483
1717899367,10cyclictest30921-21sh14:19:473
1716599367,5cyclictest25-21ksoftirqd/114:24:561
1716599367,5cyclictest25-21ksoftirqd/114:24:561
1716099369,3cyclictest1173-21head13:15:060
1716099368,4cyclictest28010-21cut12:04:470
1716099368,4cyclictest10310-21irqrtprio10:04:470
1716099363,6cyclictest31205-21apt-get10:49:410
1716099363,6cyclictest26866-21apt-get13:09:440
1716099362,6cyclictest2524-21apt-get09:49:420
1716099362,6cyclictest24079-21apt-get13:39:470
1716099362,5cyclictest13172-21apt-get11:49:450
17160993614,19cyclictest9-21ksoftirqd/010:00:310
1716099361,32cyclictest23377-21sed10:30:000
17160993612,21cyclictest22283-21awk14:09:580
17160993611,22cyclictest10545-21diskmemload13:31:170
106891360,0ptp4l401ktimersoftd/310:18:223
1716599357,5cyclictest25-21ksoftirqd/112:29:271
1716099358,4cyclictest21246-21irqrtprio09:19:450
1716099357,4cyclictest23631-21rm12:33:000
1716099352,6cyclictest1455-21apt-get13:49:460
1716099352,5cyclictest16174-21apt-get14:04:470
1716099351,5cyclictest17421-21apt-get09:14:410
1716099351,11cyclictest19911-21head11:55:030
106891350,0ptp4l401ktimersoftd/312:27:173
106891350,0ptp4l401ktimersoftd/310:27:463
199442340,3sleep01716099cyclictest10:24:480
1716099349,3cyclictest8634-21grep11:09:450
1716099348,3cyclictest16911-21grep12:25:020
1716099347,3cyclictest0-21swapper/014:19:570
1716099346,3cyclictest0-21swapper/011:59:460
1716099344,3cyclictest0-21swapper/010:39:490
1716099342,6cyclictest9366-21apt-get13:24:450
17160993413,18cyclictest6380-21hddtemp_smartct11:04:480
17160993410,3cyclictest10545-21diskmemload13:49:330
17160993410,21cyclictest10545-21diskmemload11:28:400
1716599336,24cyclictest7467-21sshd13:22:021
1716599333,27cyclictest1143-21rm14:21:271
1716599333,17cyclictest29707-21irqrtprio13:44:551
1716099337,3cyclictest17176-21expr10:19:440
1716099333,6cyclictest6133-21cut09:54:510
17160993310,20cyclictest30552-21tune2fs09:39:450
17170993217,10cyclictest15157-21ssh12:24:452
1716599328,5cyclictest25-21ksoftirqd/113:55:061
1716599323,5cyclictest0-21swapper/113:39:471
17165993218,7cyclictest24151-21apt-get09:24:521
188212310,2sleep10-21swapper/109:14:561
17178993118,6cyclictest26455-21apt-get10:39:443
1716599317,5cyclictest25-21ksoftirqd/111:45:471
1716599314,16cyclictest10545-21diskmemload14:03:421
1716599310,17cyclictest13359-21/usr/sbin/munin14:34:551
1716099317,3cyclictest29173-21sort10:44:460
1716599305,14cyclictest17151-21cyclictest11:54:571
1716599304,5cyclictest0-21swapper/114:09:011
17165993014,10cyclictest18358-21apt-get14:39:491
1717899299,16cyclictest6041-21tr11:04:453
17178992910,16cyclictest19042-21munin-run10:24:303
1716599298,5cyclictest25-21ksoftirqd/111:49:361
1716599292,15cyclictest19185-21apt-get13:34:481
1716599292,15cyclictest18518-21ssh13:00:001
1716599291,17cyclictest10545-21diskmemload14:29:521
1716599291,16cyclictest10545-21diskmemload12:14:321
1717899285,8cyclictest0-21swapper/310:47:423
17178992817,5cyclictest4889-21apt-get09:54:413
1716599287,6cyclictest25-21ksoftirqd/112:57:521
1716599284,4cyclictest0-21swapper/113:09:441
1716599283,5cyclictest0-21swapper/111:19:431
1716599283,5cyclictest0-21swapper/109:54:571
1716599283,13cyclictest23454-21ssh13:05:011
1716599282,9cyclictest29354-21python12:04:581
1716599282,5cyclictest0-21swapper/111:16:171
1716599282,14cyclictest9900-21diskstats10:04:441
1716599281,14cyclictest1345-21irqstats12:09:531
17178992713,10cyclictest0-21swapper/309:39:413
17170992721,3cyclictest33-21ksoftirqd/211:16:332
17170992721,3cyclictest33-21ksoftirqd/209:55:172
17170992720,4cyclictest33-21ksoftirqd/211:20:102
1716599273,5cyclictest0-21swapper/111:27:131
1716599272,5cyclictest0-21swapper/111:29:321
17165992710,6cyclictest25-21ksoftirqd/112:34:241
1717899261,9cyclictest0-21swapper/312:48:253
1717899261,9cyclictest0-21swapper/312:48:253
17178992619,4cyclictest41-21ksoftirqd/310:08:253
17178992612,10cyclictest0-21swapper/310:34:443
1717099263,15cyclictest22979-21ssh11:59:442
1717099262,3cyclictest121rcu_preempt13:08:492
17170992621,3cyclictest33-21ksoftirqd/213:39:512
17170992619,4cyclictest33-21ksoftirqd/213:45:362
17170992619,4cyclictest33-21ksoftirqd/213:13:322
17170992619,4cyclictest33-21ksoftirqd/210:04:232
17170992619,4cyclictest33-21ksoftirqd/209:23:562
1716599263,5cyclictest0-21swapper/112:43:141
1716599263,5cyclictest0-21swapper/112:43:141
1716599263,4cyclictest0-21swapper/114:18:121
1716599262,5cyclictest0-21swapper/112:20:511
1716599260,15cyclictest8968-21smartctl11:09:491
106891260,2ptp4l15562-21kworker/3:210:33:163
106891260,1ptp4l401ktimersoftd/309:14:573
17178992519,3cyclictest41-21ksoftirqd/310:57:043
17178992519,3cyclictest41-21ksoftirqd/309:23:423
17178992511,11cyclictest9315-21sh10:04:293
17170992521,3cyclictest33-21ksoftirqd/213:23:122
17170992520,3cyclictest33-21ksoftirqd/212:47:442
17170992520,3cyclictest33-21ksoftirqd/212:47:442
17170992519,4cyclictest33-21ksoftirqd/211:34:312
17170992519,3cyclictest33-21ksoftirqd/214:04:542
17170992519,3cyclictest33-21ksoftirqd/213:14:502
17170992519,3cyclictest33-21ksoftirqd/210:51:442
17170992519,3cyclictest33-21ksoftirqd/209:15:252
17170992518,4cyclictest33-21ksoftirqd/211:02:322
17170992518,4cyclictest33-21ksoftirqd/211:02:322
17170992518,4cyclictest33-21ksoftirqd/210:36:022
17170992518,4cyclictest33-21ksoftirqd/210:22:532
17170992518,4cyclictest33-21ksoftirqd/209:25:122
1716599258,5cyclictest25-21ksoftirqd/113:18:411
1716599258,13cyclictest0-21swapper/109:49:421
1716599252,5cyclictest0-21swapper/111:04:451
1716599252,5cyclictest0-21swapper/110:59:451
1716599252,5cyclictest0-21swapper/110:59:451
17165992520,3cyclictest25-21ksoftirqd/109:39:211
17165992519,4cyclictest25-21ksoftirqd/109:46:391
17165992512,10cyclictest64-21kswapd013:49:461
106891250,3ptp4l401ktimersoftd/309:49:163
106891250,1ptp4l401ktimersoftd/310:49:423
192782240,2sleep20-21swapper/214:39:562
17178992417,4cyclictest41-21ksoftirqd/310:13:353
17178992412,9cyclictest26911-21grep09:29:583
17178992411,9cyclictest0-21swapper/309:34:403
17170992419,3cyclictest33-21ksoftirqd/214:24:562
17170992419,3cyclictest33-21ksoftirqd/214:24:562
17170992419,3cyclictest33-21ksoftirqd/214:09:592
17170992419,3cyclictest33-21ksoftirqd/211:04:592
17170992418,3cyclictest33-21ksoftirqd/212:04:532
17170992417,4cyclictest33-21ksoftirqd/213:52:072
17170992417,4cyclictest33-21ksoftirqd/210:18:042
17170992417,4cyclictest12462-21grep13:59:562
17170992413,5cyclictest33-21ksoftirqd/211:24:432
1716599248,12cyclictest0-21swapper/109:29:411
1716599244,7cyclictest23384-21unixbench_singl10:30:001
1716599244,5cyclictest0-21swapper/109:59:421
1716599242,4cyclictest0-21swapper/110:44:571
17165992418,4cyclictest25-21ksoftirqd/110:42:441
1716599241,6cyclictest0-21swapper/111:42:001
106891240,1ptp4l401ktimersoftd/309:24:533
17178992311,8cyclictest3795-21sort10:59:463
17178992311,8cyclictest3795-21sort10:59:463
1717099235,15cyclictest8964-21cut11:44:502
17170992317,4cyclictest33-21ksoftirqd/210:08:242
17170992317,3cyclictest33-21ksoftirqd/210:44:302
17170992317,3cyclictest33-21ksoftirqd/209:50:122
17170992316,4cyclictest33-21ksoftirqd/209:36:292
1716599239,8cyclictest30872-21apt-get11:34:451
106891230,1ptp4l401ktimersoftd/309:49:443
17170992217,3cyclictest33-21ksoftirqd/213:59:092
17170992217,3cyclictest33-21ksoftirqd/212:20:002
17170992216,3cyclictest33-21ksoftirqd/210:59:302
17170992216,3cyclictest33-21ksoftirqd/210:30:462
17170992215,4cyclictest33-21ksoftirqd/210:28:522
1716599226,5cyclictest25-21ksoftirqd/110:58:541
1716599226,5cyclictest25-21ksoftirqd/109:40:271
1716599223,5cyclictest0-21swapper/112:02:371
17165992216,3cyclictest25-21ksoftirqd/110:54:081
17165992215,4cyclictest13861-21latency_hist13:29:341
1717099216,12cyclictest27530-21sh12:36:192
1717099212,7cyclictest1506-21snmp_o5powerctl09:44:572
1717099212,16cyclictest32245-21grep14:19:572
17170992117,3cyclictest33-21ksoftirqd/211:39:542
17170992117,3cyclictest33-21ksoftirqd/211:34:412
17170992115,3cyclictest33-21ksoftirqd/212:19:312
17170992115,3cyclictest33-21ksoftirqd/209:40:042
17170992110,4cyclictest18472-21mailstats12:59:562
1717099210,7cyclictest8856-21ssh12:50:032
1716599212,6cyclictest25-21ksoftirqd/110:34:511
17165992114,4cyclictest21412-21turbostat.cron10:29:291
17165992111,7cyclictest18565-21unixbench_multi10:20:001
17170992014,3cyclictest33-21ksoftirqd/213:37:522
17170992014,3cyclictest32526-21sh12:41:282
17170992014,3cyclictest32526-21sh12:41:282
17170992013,4cyclictest9317-21sed11:09:502
17170992013,4cyclictest28832-21sh14:16:432
17170992013,4cyclictest28766-21/usr/sbin/munin10:44:502
17170992013,4cyclictest22268-21sh12:30:412
17170992013,4cyclictest22116-21sh11:58:462
17170992013,4cyclictest18675-21sh13:34:262
17170992013,4cyclictest14944-21unixbench_multi11:50:022
17170992013,4cyclictest11603-21sh14:32:112
17170992012,4cyclictest414-21cpu12:09:472
1716599207,10cyclictest19635-21munin-node09:19:301
17170991913,3cyclictest12931-21sed12:54:552
17170991912,4cyclictest15276-21who14:35:062
17170991812,3cyclictest33-21ksoftirqd/209:29:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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