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2026-07-11 - 11:00
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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 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1328021780,5sleep31955499cyclictest00:11:493
1667321540,5sleep31955499cyclictest23:41:493
1785921500,2sleep30-21swapper/302:26:593
1068911220,8ptp4l16968-21kworker/3:221:05:093
310072710,2sleep00-21swapper/001:02:000
19542996811,23cyclictest14299-21sh01:17:481
106891660,1ptp4l401ktimersoftd/322:25:403
30162620,4sleep1241ktimersoftd/101:40:031
319602610,2sleep231961-21sh00:31:232
250222610,5sleep01953799cyclictest23:51:140
106891600,1ptp4l401ktimersoftd/323:32:223
19537995846,6cyclictest9-21ksoftirqd/000:21:400
106891580,1ptp4l401ktimersoftd/302:05:473
106891560,1ptp4l401ktimersoftd/302:08:263
19537995342,5cyclictest9-21ksoftirqd/001:26:450
19537995338,8cyclictest9-21ksoftirqd/021:56:410
19537995239,6cyclictest9-21ksoftirqd/022:16:400
19537995138,6cyclictest9-21ksoftirqd/000:11:440
19542995012,23cyclictest11381-21sh00:09:471
1954299489,25cyclictest1055-21runrttasks22:48:231
48542470,2sleep30-21swapper/301:41:503
19554994726,12cyclictest46850irq/99-ens3-TxR01:16:453
1941024729,8sleep10-21swapper/121:06:071
19537994633,7cyclictest9-21ksoftirqd/000:51:430
19537994632,7cyclictest9-21ksoftirqd/001:56:450
1954299451,5cyclictest20544-21chrt23:46:331
19537994533,6cyclictest9-21ksoftirqd/000:31:430
19537994335,4cyclictest9-21ksoftirqd/000:06:420
19537994229,6cyclictest9-21ksoftirqd/022:21:400
1926324123,8sleep00-21swapper/021:04:120
106891410,1ptp4l401ktimersoftd/323:30:553
9102400,2sleep00-21swapper/021:31:470
1955499403,7cyclictest0-21swapper/321:31:403
19537994030,6cyclictest9-21ksoftirqd/000:41:440
19537994026,7cyclictest9-21ksoftirqd/022:36:410
19537994026,7cyclictest9-21ksoftirqd/022:36:410
19548993933,3cyclictest0-21swapper/221:06:272
19548993921,10cyclictest33-21ksoftirqd/201:51:452
19537993927,6cyclictest9-21ksoftirqd/002:21:460
106891390,1ptp4l401ktimersoftd/301:36:273
106891390,1ptp4l401ktimersoftd/301:16:343
106891390,1ptp4l401ktimersoftd/300:08:333
58362380,5sleep15844-21cpuspeed_turbos23:31:441
19554993813,5cyclictest7537-21grep21:46:433
19554993813,3cyclictest26389-21ls22:26:423
1954299381,31cyclictest0-21swapper/102:11:461
19537993821,8cyclictest14774-21ssh00:46:440
106891380,1ptp4l401ktimersoftd/323:55:023
106891380,1ptp4l401ktimersoftd/323:48:443
106891380,1ptp4l401ktimersoftd/323:25:393
106891380,1ptp4l401ktimersoftd/301:53:593
106891380,1ptp4l401ktimersoftd/301:31:313
106891380,1ptp4l401ktimersoftd/301:10:153
106891380,1ptp4l401ktimersoftd/300:58:333
106891380,1ptp4l401ktimersoftd/300:25:523
106891380,1ptp4l401ktimersoftd/300:17:543
106891380,1ptp4l401ktimersoftd/300:17:543
19554993712,4cyclictest10665-21cut00:41:513
19554993712,3cyclictest18010-21cat23:11:443
1954299372,30cyclictest0-21swapper/123:51:421
1954299371,32cyclictest5682-21ps00:36:511
19542993712,22cyclictest18645-21cat01:56:341
1954299370,8cyclictest0-21swapper/101:35:571
19537993732,3cyclictest9-21ksoftirqd/002:36:350
106891370,1ptp4l401ktimersoftd/323:36:353
106891370,1ptp4l401ktimersoftd/323:06:533
106891370,1ptp4l401ktimersoftd/302:34:293
106891370,1ptp4l401ktimersoftd/302:23:163
106891370,1ptp4l401ktimersoftd/301:50:443
106891370,1ptp4l401ktimersoftd/301:37:523
106891370,1ptp4l401ktimersoftd/300:02:443
106891370,1ptp4l401ktimersoftd/300:01:113
106891370,0ptp4l401ktimersoftd/300:32:433
19554993612,3cyclictest2700-21expr21:36:403
19542993614,19cyclictest22078-21sh01:59:061
19542993612,21cyclictest30412-21grep21:26:451
19542993612,21cyclictest26689-21sed22:26:451
19542993612,21cyclictest12202-21sh01:49:011
19542993610,22cyclictest4592-21latency_hist00:36:321
1954299360,4cyclictest4303-21ssh01:41:451
106891360,1ptp4l401ktimersoftd/323:01:583
106891360,1ptp4l401ktimersoftd/321:52:273
106891360,1ptp4l401ktimersoftd/301:57:523
106891360,0ptp4l401ktimersoftd/300:28:053
19554993513,3cyclictest25149-21/usr/sbin/munin21:16:483
19554993511,3cyclictest6407-21latency_hist02:16:353
1954299352,4cyclictest9870-21apt-get00:41:441
1954299352,4cyclictest0-21swapper/102:16:461
1954299352,28cyclictest0-21swapper/122:41:411
19542993519,13cyclictest25-21ksoftirqd/121:41:351
1954299351,31cyclictest17757-21rm00:16:431
1954299351,31cyclictest17757-21rm00:16:431
19542993513,19cyclictest25935-21sed21:16:471
19542993512,20cyclictest13242-21fschecks_count23:06:451
19542993511,21cyclictest5607-21/usr/sbin/munin22:51:471
19537993528,4cyclictest27283-21sh21:21:280
1955499348,8cyclictest10132-21sh23:01:303
19554993413,3cyclictest1041-21sh01:05:413
1954299346,16cyclictest3016-21ssh00:01:431
1954299342,5cyclictest0-21swapper/102:01:461
19542993413,18cyclictest11962-21expr02:21:511
19542993411,20cyclictest18634-21sh23:44:031
19542993411,20cyclictest12600-21cat23:06:301
19542993410,21cyclictest5276-21cat23:31:311
1954299340,31cyclictest32497-21ls23:26:311
19537993427,3cyclictest9-21ksoftirqd/002:06:380
19537993424,5cyclictest9-21ksoftirqd/001:46:460
19537993423,5cyclictest9-21ksoftirqd/001:31:440
106891340,1ptp4l401ktimersoftd/322:40:413
106891340,1ptp4l401ktimersoftd/322:40:413
106891340,0ptp4l401ktimersoftd/323:20:083
1955499333,9cyclictest5684-21apt-get22:51:413
19554993312,3cyclictest864-21/usr/sbin/munin22:41:453
19554993310,4cyclictest27518-21/usr/sbin/munin21:21:463
1954299338,22cyclictest25495-21irqrtprio00:56:521
1954299335,17cyclictest30517-21ssh23:56:421
1954299333,5cyclictest12834-21apt-get00:11:441
1954299332,4cyclictest29489-21apt-get01:01:451
1954299331,4cyclictest0-21swapper/102:31:461
1954299331,27cyclictest0-21swapper/123:11:421
19548993227,3cyclictest33-21ksoftirqd/223:06:412
1954299329,20cyclictest592-21basename21:31:451
1954299329,20cyclictest29247-21irqrtprio22:31:471
1954299329,20cyclictest29247-21irqrtprio22:31:471
1954299328,21cyclictest8562-21timerwakeupswit01:12:021
1954299327,3cyclictest11053-21fschecks_time23:36:461
1954299325,7cyclictest0-21swapper/100:49:181
1954299323,6cyclictest19659-21apt-get00:51:431
1954299322,6cyclictest30970-21apt-get22:36:411
1954299322,6cyclictest30970-21apt-get22:36:411
1954299322,6cyclictest21483-21apt-get22:16:401
1954299322,25cyclictest0-21swapper/122:06:461
1954299321,5cyclictest0-21swapper/123:16:411
1954299321,4cyclictest0-21swapper/122:11:401
19542993210,19cyclictest31448-21rm00:30:301
19542993210,19cyclictest12498-21diskmemload00:23:381
1954299320,4cyclictest21138-21snmp_o5powerctl21:06:501
19537993227,3cyclictest9-21ksoftirqd/001:26:340
19537993227,3cyclictest9-21ksoftirqd/001:16:340
19537993227,3cyclictest9-21ksoftirqd/000:56:520
106891320,1ptp4l401ktimersoftd/322:09:273
106891320,1ptp4l401ktimersoftd/321:11:343
1954299319,19cyclictest22904-21cat21:11:401
1954299319,19cyclictest17541-21grep02:26:551
1954299317,21cyclictest115352chrt21:55:001
1954299316,4cyclictest90882chrt21:48:541
1954299316,3cyclictest22548-21sh01:26:501
1954299312,5cyclictest23848-21apt-get22:21:401
1954299312,5cyclictest11988-21apt-get21:56:401
1954299312,4cyclictest0-21swapper/102:06:441
1954299311,9cyclictest19546-21rm01:23:261
1954299311,5cyclictest0-21swapper/121:36:381
19537993126,3cyclictest9-21ksoftirqd/023:31:310
19537993126,3cyclictest9-21ksoftirqd/000:01:310
19537993121,5cyclictest9-21ksoftirqd/022:31:400
19537993121,5cyclictest9-21ksoftirqd/022:31:400
1954299302,8cyclictest1974-21apt-get01:06:441
19537993024,3cyclictest9-21ksoftirqd/023:46:320
1954299294,2cyclictest0-21swapper/122:57:391
1954299292,5cyclictest14354-21apt-get22:01:401
1954299290,5cyclictest28473-21/usr/sbin/munin21:21:471
1953799293,15cyclictest1982-21ssh01:06:440
19537992924,3cyclictest9-21ksoftirqd/023:37:010
19537992924,3cyclictest9-21ksoftirqd/023:16:350
19537992924,3cyclictest9-21ksoftirqd/021:31:280
19537992924,3cyclictest9-21ksoftirqd/000:26:500
19537992923,3cyclictest9-21ksoftirqd/023:56:310
19537992923,3cyclictest9-21ksoftirqd/022:56:490
19537992923,3cyclictest9-21ksoftirqd/002:16:530
19554992811,3cyclictest1055-21runrttasks02:19:463
19537992823,3cyclictest9-21ksoftirqd/002:06:340
19537992823,3cyclictest9-21ksoftirqd/001:16:510
19537992823,3cyclictest9-21ksoftirqd/000:06:310
19537992821,4cyclictest9-21ksoftirqd/002:11:550
1954899273,14cyclictest4979-21sh00:36:442
19548992722,3cyclictest33-21ksoftirqd/221:11:282
19548992722,3cyclictest33-21ksoftirqd/201:46:332
19548992721,3cyclictest33-21ksoftirqd/222:01:562
19548992721,3cyclictest33-21ksoftirqd/200:21:552
19548992720,4cyclictest33-21ksoftirqd/222:20:142
19548992720,4cyclictest33-21ksoftirqd/221:24:302
19537992722,3cyclictest9-21ksoftirqd/022:46:470
19537992721,3cyclictest9-21ksoftirqd/023:36:310
19537992721,3cyclictest9-21ksoftirqd/023:11:420
19537992721,3cyclictest9-21ksoftirqd/023:01:480
19537992721,3cyclictest9-21ksoftirqd/001:41:520
19554992619,4cyclictest41-21ksoftirqd/322:33:403
19554992619,4cyclictest41-21ksoftirqd/322:33:403
1954899264,12cyclictest6898-21ssh01:11:462
1954899263,11cyclictest31847-21ssh01:36:462
19548992619,4cyclictest33-21ksoftirqd/222:51:342
19548992619,4cyclictest33-21ksoftirqd/200:00:472
19548992618,4cyclictest33-21ksoftirqd/222:46:402
1953799264,19cyclictest8845-21tail21:46:570
19537992621,3cyclictest9-21ksoftirqd/002:26:480
19537992621,3cyclictest9-21ksoftirqd/001:51:470
19537992621,3cyclictest9-21ksoftirqd/001:36:570
19537992621,3cyclictest9-21ksoftirqd/000:16:490
19537992621,3cyclictest9-21ksoftirqd/000:16:490
19537992620,3cyclictest9-21ksoftirqd/023:22:000
19537992620,3cyclictest9-21ksoftirqd/021:36:450
19537992620,3cyclictest29719-21latency_hist21:26:280
106891260,1ptp4l401ktimersoftd/300:55:353
106891260,1ptp4l401ktimersoftd/300:36:453
19554992519,3cyclictest41-21ksoftirqd/322:15:463
19554992518,4cyclictest41-21ksoftirqd/321:42:303
19548992520,3cyclictest33-21ksoftirqd/200:31:582
19548992519,3cyclictest33-21ksoftirqd/221:56:142
19548992519,3cyclictest33-21ksoftirqd/221:36:162
19548992519,3cyclictest33-21ksoftirqd/200:16:452
19548992519,3cyclictest33-21ksoftirqd/200:16:452
19548992519,3cyclictest13708-21sh01:51:332
19548992518,4cyclictest33-21ksoftirqd/221:19:322
19537992520,3cyclictest9-21ksoftirqd/023:06:420
19537992520,3cyclictest9-21ksoftirqd/022:26:580
19537992520,3cyclictest9-21ksoftirqd/022:11:290
19537992520,3cyclictest9-21ksoftirqd/022:01:470
19537992520,3cyclictest9-21ksoftirqd/000:36:520
19537992519,3cyclictest9-21ksoftirqd/021:16:280
19537992519,3cyclictest9-21ksoftirqd/021:09:320
106891250,1ptp4l401ktimersoftd/321:06:473
106891250,1ptp4l401ktimersoftd/301:21:433
106891250,1ptp4l401ktimersoftd/300:51:063
106891250,0ptp4l401ktimersoftd/322:00:373
1954899244,17cyclictest8371-21unixbench_multi02:17:032
19548992419,3cyclictest33-21ksoftirqd/223:11:472
19548992419,3cyclictest33-21ksoftirqd/221:27:412
19548992418,3cyclictest33-21ksoftirqd/222:22:232
19548992418,3cyclictest33-21ksoftirqd/201:00:582
19548992417,4cyclictest33-21ksoftirqd/222:11:072
19548992417,4cyclictest33-21ksoftirqd/221:56:542
19548992417,4cyclictest30193-21grep22:31:572
19548992417,4cyclictest30193-21grep22:31:572
19537992419,3cyclictest9-21ksoftirqd/021:41:580
19537992417,4cyclictest9-21ksoftirqd/022:12:180
106891240,1ptp4l401ktimersoftd/322:46:413
1954899239,3cyclictest21896-21if_enp1s0.102:31:522
1954899233,3cyclictest121rcu_preempt00:11:392
1954899232,17cyclictest16267-21sed23:41:472
19548992318,3cyclictest33-21ksoftirqd/221:39:212
19548992318,3cyclictest33-21ksoftirqd/221:11:312
19548992317,3cyclictest33-21ksoftirqd/200:07:422
19548992316,4cyclictest33-21ksoftirqd/222:37:212
19548992316,4cyclictest33-21ksoftirqd/222:37:212
19548992316,4cyclictest33-21ksoftirqd/222:28:132
19548992316,4cyclictest33-21ksoftirqd/202:06:342
19537992317,3cyclictest7741-21sh22:56:300
19537992317,3cyclictest2609-21unixbench_singl22:41:590
106891230,1ptp4l401ktimersoftd/322:16:433
106891230,1ptp4l401ktimersoftd/322:01:533
106891230,1ptp4l401ktimersoftd/321:26:563
19548992215,4cyclictest33-21ksoftirqd/222:57:442
19548992215,4cyclictest33-21ksoftirqd/221:49:072
19548992215,4cyclictest12186-21cstates01:16:472
19548992213,3cyclictest33-21ksoftirqd/223:31:472
19537992216,3cyclictest9927-21grep21:51:440
1954899218,9cyclictest0-21swapper/223:36:592
1954899216,11cyclictest26491-21irqrtprio23:51:492
1954899213,15cyclictest1720-21wc01:06:332
19548992116,3cyclictest33-21ksoftirqd/200:01:592
19548992115,3cyclictest33-21ksoftirqd/222:43:242
19548992114,4cyclictest33-21ksoftirqd/223:30:442
19548992114,4cyclictest2692-21sed01:06:522
19548992114,4cyclictest24349-21ls00:56:332
19548992114,4cyclictest22441-21sh01:59:432
19548992113,5cyclictest25305-21grep23:51:312
19548992014,3cyclictest33-21ksoftirqd/202:11:482
19548992014,3cyclictest17223-21sh00:48:052
19548992013,4cyclictest33-21ksoftirqd/221:41:412
19548992013,4cyclictest28203-21sh23:21:462
19548992013,4cyclictest11787-21swap23:01:572
19548992013,4cyclictest11639-21tr02:21:482
19548992011,6cyclictest18343-21snmp_o5powerctl01:21:582
19548991913,3cyclictest23938-21kernelversion23:16:492
19548991913,3cyclictest18708-21sh02:27:502
19548991913,3cyclictest11974-21sh00:42:282
19548991912,4cyclictest31462-21sh02:07:462
19548991912,4cyclictest27076-21cstates01:31:452
1954899181,4cyclictest22270-21df_inode01:26:472
19548991812,3cyclictest20212-21cut22:11:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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