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2026-08-05 - 22:31
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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 Wed Aug 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1889121570,4sleep22080599cyclictest11:43:512
1068911190,8ptp4l17459-21kworker/3:109:19:493
106891720,1ptp4l401ktimersoftd/312:47:183
215232700,6sleep321526-21phc2sys14:36:003
222712670,4sleep22080599cyclictest14:04:232
106891660,1ptp4l401ktimersoftd/313:49:073
314022630,2sleep00-21swapper/010:40:340
156752630,5sleep12080199cyclictest14:30:521
106891620,2ptp4l401ktimersoftd/313:35:563
20814996020,3cyclictest41-21ksoftirqd/313:10:393
106891590,1ptp4l401ktimersoftd/314:20:103
106891580,1ptp4l401ktimersoftd/313:56:543
106891580,1ptp4l401ktimersoftd/313:08:423
106891560,1ptp4l401ktimersoftd/312:29:453
277102540,2sleep30-21swapper/314:42:183
257982520,2sleep325799-21sh14:07:053
2079599525,25cyclictest15639-21cstates14:30:520
2080199494,13cyclictest26425-21ssh12:30:471
20795994910,29cyclictest3793-21diskmemload11:47:520
2079599490,3cyclictest5771-21ssh12:41:280
60112480,2sleep20-21swapper/213:14:372
20814994841,4cyclictest41-21ksoftirqd/313:50:493
20814994739,4cyclictest41-21ksoftirqd/313:30:503
205612464,29sleep20-21swapper/209:18:462
2079599451,37cyclictest5658-21apt-get14:20:510
106891450,2ptp4l2951-21kworker/3:211:46:233
2080199447,12cyclictest47050irq/101-ens3-Tx13:25:521
2079599443,24cyclictest20495-21cstates14:35:520
2079599442,34cyclictest28364-21apt-get14:10:520
2079599436,22cyclictest0-21swapper/013:23:140
20814994235,4cyclictest41-21ksoftirqd/314:00:493
20814994234,4cyclictest41-21ksoftirqd/312:15:483
2080199425,10cyclictest29650-21ssh12:00:431
2081499418,3cyclictest41-21ksoftirqd/314:20:503
2079599413,23cyclictest8401-21latency_hist13:50:380
2079599411,37cyclictest13582-21unixbench_multi12:16:060
2079599403,31cyclictest6970-21apt-get12:10:480
2079599402,33cyclictest26422-21apt-get12:30:470
2079599402,32cyclictest751-21apt-get14:15:520
2079599402,30cyclictest29644-21apt-get12:00:430
20795994014,23cyclictest3663-21sed12:06:060
2079599401,32cyclictest31305-21apt-get13:40:510
20814993931,4cyclictest41-21ksoftirqd/313:20:483
2079599392,31cyclictest13673-21apt-get13:55:510
2079599392,30cyclictest8594-21apt-get12:45:510
2079599392,30cyclictest25189-21apt-get14:40:510
20795993813,22cyclictest3793-21diskmemload11:25:270
20795993813,22cyclictest3793-21diskmemload11:25:270
106891380,1ptp4l401ktimersoftd/313:02:403
106891380,1ptp4l401ktimersoftd/313:02:403
106891380,1ptp4l401ktimersoftd/312:58:403
106891380,1ptp4l401ktimersoftd/312:13:253
106891380,1ptp4l401ktimersoftd/311:56:363
106891380,1ptp4l401ktimersoftd/311:39:293
2079599373,27cyclictest30291-21apt-get14:45:530
2079599373,27cyclictest30291-21apt-get14:45:530
2079599372,29cyclictest23196-21apt-get13:00:510
2079599372,29cyclictest23196-21apt-get13:00:510
20795993713,21cyclictest3793-21diskmemload12:28:140
20795993713,21cyclictest27525-21seq10:08:020
20795993713,21cyclictest21191-21latency_hist12:25:360
20795993711,22cyclictest15271-21cut14:30:390
2079599370,4cyclictest2831-21sed13:10:560
2079599370,2cyclictest0-21swapper/009:35:180
2079599370,2cyclictest0-21swapper/009:35:180
106891370,1ptp4l401ktimersoftd/314:48:033
106891370,1ptp4l401ktimersoftd/314:48:033
106891370,1ptp4l401ktimersoftd/314:32:463
106891370,1ptp4l401ktimersoftd/314:11:543
106891370,1ptp4l401ktimersoftd/312:52:273
106891370,1ptp4l401ktimersoftd/312:37:013
106891370,1ptp4l401ktimersoftd/312:31:523
106891370,1ptp4l401ktimersoftd/312:06:483
106891370,1ptp4l401ktimersoftd/311:41:173
106891370,1ptp4l401ktimersoftd/311:32:153
106891370,1ptp4l401ktimersoftd/311:06:483
106891370,0ptp4l401ktimersoftd/311:21:273
106891370,0ptp4l401ktimersoftd/311:21:273
2079599362,27cyclictest23391-21apt-get14:05:490
20795993612,21cyclictest22836-21date13:00:370
20795993611,22cyclictest21431-21ls09:25:320
2079599360,4cyclictest9358-21ssh13:17:000
2079599360,3cyclictest27977-21acpi13:05:480
106891360,1ptp4l401ktimersoftd/312:45:233
106891360,1ptp4l401ktimersoftd/312:01:413
106891360,1ptp4l401ktimersoftd/311:50:573
106891360,1ptp4l401ktimersoftd/311:26:353
106891360,1ptp4l401ktimersoftd/310:52:543
106891360,0ptp4l401ktimersoftd/313:27:203
106891360,0ptp4l401ktimersoftd/313:17:313
106891360,0ptp4l401ktimersoftd/309:35:153
106891360,0ptp4l401ktimersoftd/309:35:153
20814993529,3cyclictest41-21ksoftirqd/309:45:323
2079599359,22cyclictest26794-21fschecks_count13:35:550
2079599358,23cyclictest10231-21sh13:51:010
2079599351,30cyclictest3793-21diskmemload13:26:100
20795993512,20cyclictest17377-21sh12:54:410
20795993510,22cyclictest3793-21diskmemload11:32:200
2079599350,4cyclictest21904-21snmp_o5powerctl09:25:350
2079599350,2cyclictest0-21swapper/014:02:210
106891350,1ptp4l401ktimersoftd/312:24:593
20814993428,3cyclictest41-21ksoftirqd/314:30:383
2079599346,25cyclictest31667-21fschecks_time12:35:510
20795993413,18cyclictest3793-21diskmemload11:35:470
20795993411,20cyclictest3793-21diskmemload13:35:320
2079599340,4cyclictest29301-21idleruntime-cro12:00:350
2079599340,4cyclictest25640-21ssh11:54:420
20814993328,3cyclictest41-21ksoftirqd/313:41:063
20814993327,3cyclictest41-21ksoftirqd/310:35:343
20814993327,3cyclictest41-21ksoftirqd/310:30:343
2079599338,22cyclictest32223-21seq10:46:040
2079599337,22cyclictest1975-21latency_hist11:05:340
2079599334,25cyclictest0-21swapper/009:20:310
2079599330,29cyclictest29638-21cat10:25:340
20814993227,3cyclictest41-21ksoftirqd/309:55:333
2079599327,22cyclictest24317-21seq09:43:570
106891320,1ptp4l401ktimersoftd/310:06:343
106891320,1ptp4l27961-21kworker/3:010:41:433
20814993125,3cyclictest41-21ksoftirqd/309:55:333
2081499311,27cyclictest391rcuc/309:25:333
20805993126,3cyclictest33-21ksoftirqd/214:07:192
2079599317,20cyclictest30684-21taskset10:34:300
2079599312,25cyclictest30353-21cat10:30:340
2079599310,4cyclictest19896-21cron11:45:350
2079599310,3cyclictest2871-21runrttasks11:11:250
2079599310,2cyclictest3793-21diskmemload11:30:020
106891310,10ptp4l401ktimersoftd/311:00:303
106891310,0ptp4l401ktimersoftd/311:19:093
106891310,0ptp4l401ktimersoftd/311:19:093
20814993024,3cyclictest41-21ksoftirqd/310:15:333
2080599304,6cyclictest121rcu_preempt14:29:142
20805993017,7cyclictest0-21swapper/212:05:482
2079599308,18cyclictest1055-21runrttasks10:41:000
2079599303,23cyclictest25886-21apt-key09:55:330
2079599300,3cyclictest25714-21apt-get09:55:350
55702290,5sleep125-21ksoftirqd/112:41:071
20814992924,3cyclictest41-21ksoftirqd/310:40:343
20805992924,3cyclictest33-21ksoftirqd/213:10:252
2079599294,22cyclictest3935-21date11:20:350
2079599294,22cyclictest3935-21date11:20:350
2079599294,21cyclictest0-21swapper/010:05:330
2079599291,3cyclictest23987-21grep09:40:320
2079599291,3cyclictest1379-21munin-run11:00:330
2079599290,5cyclictest28954-21sh10:20:330
106891290,10ptp4l401ktimersoftd/310:22:233
106891290,0ptp4l401ktimersoftd/310:47:263
20814992823,3cyclictest41-21ksoftirqd/311:15:353
20814992823,3cyclictest41-21ksoftirqd/310:05:333
20814992822,4cyclictest41-21ksoftirqd/309:25:323
20814992822,3cyclictest41-21ksoftirqd/310:20:333
20805992823,3cyclictest33-21ksoftirqd/214:15:522
20805992823,3cyclictest33-21ksoftirqd/211:20:342
20805992823,3cyclictest33-21ksoftirqd/211:20:342
20805992822,3cyclictest33-21ksoftirqd/213:31:072
20805992821,4cyclictest33-21ksoftirqd/211:00:072
20805992812,14cyclictest33-21ksoftirqd/212:32:552
2079599281,5cyclictest24919-21lsb_release09:48:300
2079599281,4cyclictest2585-21munin-run11:10:340
20814992721,3cyclictest41-21ksoftirqd/309:50:333
2080599273,15cyclictest15455-21ssh14:30:502
20805992721,3cyclictest33-21ksoftirqd/213:58:122
20805992720,4cyclictest33-21ksoftirqd/209:26:332
20805992713,11cyclictest5074-21sh11:22:222
20805992713,11cyclictest5074-21sh11:22:222
20801992719,5cyclictest25-21ksoftirqd/112:40:361
20801992717,5cyclictest3793-21diskmemload13:35:521
20795992721,3cyclictest9-21ksoftirqd/010:12:390
2079599270,3cyclictest21206-21snmpd10:50:410
205392276,10sleep10-21swapper/109:18:291
106891270,1ptp4l401ktimersoftd/311:04:183
20805992621,3cyclictest33-21ksoftirqd/213:16:002
20805992621,3cyclictest33-21ksoftirqd/213:01:072
20805992621,3cyclictest33-21ksoftirqd/213:01:072
20805992621,3cyclictest33-21ksoftirqd/211:59:082
20805992620,3cyclictest33-21ksoftirqd/213:52:462
20805992619,4cyclictest33-21ksoftirqd/210:38:512
20805992619,4cyclictest33-21ksoftirqd/209:57:322
20805992619,4cyclictest33-21ksoftirqd/209:55:152
20805992619,4cyclictest33-21ksoftirqd/209:39:262
20805992618,6cyclictest33-21ksoftirqd/212:54:502
2080199263,11cyclictest64-21kswapd014:15:501
20801992618,5cyclictest15213-21sed12:51:061
20801992616,6cyclictest2430-21sh13:10:541
20814992518,4cyclictest41-21ksoftirqd/309:36:143
2080599254,3cyclictest121rcu_preempt14:20:512
20805992520,3cyclictest33-21ksoftirqd/212:41:012
20805992520,3cyclictest33-21ksoftirqd/212:26:022
20805992519,3cyclictest33-21ksoftirqd/211:06:092
20805992518,4cyclictest33-21ksoftirqd/210:15:312
20805992518,4cyclictest33-21ksoftirqd/210:00:542
20805992517,5cyclictest33-21ksoftirqd/214:45:432
20805992517,5cyclictest33-21ksoftirqd/214:45:432
20801992519,3cyclictest25-21ksoftirqd/111:10:341
20801992518,4cyclictest31536-21ssh13:08:571
20801992514,7cyclictest47050irq/101-ens3-Tx14:45:521
20801992514,7cyclictest47050irq/101-ens3-Tx14:45:521
244002240,4sleep12080199cyclictest11:52:331
20805992419,3cyclictest9532-21kworker/2:212:20:492
20805992419,3cyclictest33-21ksoftirqd/214:10:592
20805992419,3cyclictest33-21ksoftirqd/213:45:552
20805992419,3cyclictest33-21ksoftirqd/213:43:122
20805992418,3cyclictest33-21ksoftirqd/211:46:482
20805992418,3cyclictest33-21ksoftirqd/209:47:162
20805992417,4cyclictest33-21ksoftirqd/211:14:482
20805992417,4cyclictest33-21ksoftirqd/211:04:572
20805992417,4cyclictest33-21ksoftirqd/210:40:362
20805992417,4cyclictest33-21ksoftirqd/210:26:272
20805992412,9cyclictest25126-21seq11:53:492
20801992418,3cyclictest25-21ksoftirqd/110:46:411
20801992418,3cyclictest25-21ksoftirqd/109:54:021
20801992417,4cyclictest25-21ksoftirqd/111:05:161
20801992417,4cyclictest25-21ksoftirqd/110:43:481
20801992417,4cyclictest25-21ksoftirqd/110:38:261
20801992417,4cyclictest25-21ksoftirqd/110:27:141
20801992417,4cyclictest25-21ksoftirqd/109:49:521
20801992415,5cyclictest3793-21diskmemload12:45:511
2080199241,3cyclictest21531-21ssh14:03:071
20805992318,3cyclictest33-21ksoftirqd/210:50:252
20805992317,3cyclictest33-21ksoftirqd/210:34:182
20805992316,4cyclictest33-21ksoftirqd/210:19:122
20805992316,4cyclictest33-21ksoftirqd/210:05:472
20805992316,4cyclictest33-21ksoftirqd/209:23:282
2080199239,11cyclictest23877-21if_err_ens313:00:561
2080199239,11cyclictest23877-21if_err_ens313:00:561
2080199235,11cyclictest25194-21ssh14:40:511
20801992317,3cyclictest25-21ksoftirqd/110:07:511
20801992317,3cyclictest25-21ksoftirqd/109:57:401
20801992316,4cyclictest25-21ksoftirqd/110:21:321
20801992315,4cyclictest17197-21hddtemp_smartct12:20:521
2080199231,3cyclictest0-21swapper/114:12:431
2080199231,3cyclictest0-21swapper/111:56:441
2080199231,18cyclictest7310-21cut12:10:521
34582220,3sleep2311rcuc/212:40:362
20805992217,3cyclictest33-21ksoftirqd/214:36:002
20805992217,3cyclictest33-21ksoftirqd/213:26:002
20805992217,3cyclictest33-21ksoftirqd/212:20:362
20805992217,3cyclictest33-21ksoftirqd/211:30:352
20805992216,3cyclictest33-21ksoftirqd/213:35:582
2080199223,13cyclictest5667-21sh14:20:501
2080199222,13cyclictest3793-21diskmemload12:25:491
20801992216,3cyclictest25-21ksoftirqd/112:55:571
20801992216,3cyclictest25-21ksoftirqd/112:06:271
20801992216,3cyclictest22867-21ssh11:50:201
20801992215,4cyclictest25-21ksoftirqd/114:36:541
20801992215,4cyclictest13050-21phc2sys13:20:581
2080199221,4cyclictest25279-21ssh14:06:111
2080199221,3cyclictest19513-21ssh11:44:561
20805992114,4cyclictest33-21ksoftirqd/210:53:092
20805992114,4cyclictest33-21ksoftirqd/209:32:512
20805992114,4cyclictest33-21ksoftirqd/209:32:512
20805992114,4cyclictest16247-21sh11:40:012
20801992116,3cyclictest25-21ksoftirqd/113:16:451
20801992115,4cyclictest25-21ksoftirqd/109:29:331
20801992115,3cyclictest25-21ksoftirqd/110:31:081
20801992114,4cyclictest3798-21ssh13:45:421
20801992114,4cyclictest25-21ksoftirqd/110:18:551
20801992114,4cyclictest14722-21memory13:55:591
2080199211,3cyclictest11677-21ssh12:15:401
2080199211,2cyclictest0-21swapper/110:52:541
2080199211,18cyclictest0-21swapper/111:39:041
2080199211,17cyclictest0-21swapper/113:43:061
20805992015,3cyclictest33-21ksoftirqd/212:00:502
20805992014,3cyclictest33-21ksoftirqd/210:23:382
20805992014,3cyclictest27405-21sh14:41:462
20805992014,3cyclictest14335-21sh13:22:132
20805992014,3cyclictest10917-21sh12:46:572
2080199209,8cyclictest11688-21needreboot14:26:001
20801992015,3cyclictest25-21ksoftirqd/110:12:371
20801992014,3cyclictest7542-21sh11:26:131
20801992014,3cyclictest6948-21sh11:25:341
20801992014,3cyclictest6948-21sh11:25:341
20801992013,4cyclictest1364-21idleruntime-cro11:00:331
2080199201,17cyclictest0-21swapper/113:51:211
2080199201,17cyclictest0-21swapper/111:31:191
2080199200,4cyclictest22121-21hddtemp_smartct13:30:541
2080199200,3cyclictest121rcu_preempt09:23:381
20805991913,4cyclictest21007-21sh12:57:332
20805991913,3cyclictest7287-21fschecks_count12:10:522
20805991912,4cyclictest10621-21sh11:31:042
20801991915,2cyclictest0-21swapper/109:42:331
20801991914,3cyclictest25-21ksoftirqd/111:15:121
20801991914,3cyclictest25-21ksoftirqd/109:34:191
20801991914,3cyclictest25-21ksoftirqd/109:34:191
20801991913,3cyclictest25-21ksoftirqd/109:40:111
20801991814,2cyclictest0-21swapper/111:16:111
20801991814,2cyclictest0-21swapper/111:16:111
20801991813,3cyclictest25-21ksoftirqd/110:03:171
20805991710,4cyclictest33-21ksoftirqd/209:41:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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