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2026-03-24 - 20:56
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Tue Mar 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1322821510,5sleep21228799cyclictest11:51:552
2518721490,5sleep01227699cyclictest10:26:130
1068911000,4ptp4l401ktimersoftd/308:02:133
104932660,3sleep125-21ksoftirqd/110:42:561
1228099640,31cyclictest31106-21fschecks_time10:31:481
106891620,1ptp4l401ktimersoftd/310:32:303
106891610,1ptp4l401ktimersoftd/310:39:203
12287995928,5cyclictest33-21ksoftirqd/212:36:352
1228099581,24cyclictest14064-21sed08:06:571
106891570,1ptp4l401ktimersoftd/311:49:463
120402564,40sleep00-21swapper/008:04:460
106891560,1ptp4l401ktimersoftd/312:42:273
106891560,1ptp4l401ktimersoftd/311:24:503
106891550,1ptp4l401ktimersoftd/312:53:503
12287995423,9cyclictest33-21ksoftirqd/213:36:372
1228099541,24cyclictest2408-21sshd13:21:001
269732530,3sleep00-21swapper/009:41:490
12287995322,6cyclictest33-21ksoftirqd/211:27:062
1228099530,33cyclictest24161-21timerandwakeup08:26:571
12276995341,5cyclictest9-21ksoftirqd/010:51:450
12287995222,11cyclictest33-21ksoftirqd/210:21:562
1228099520,27cyclictest0-21swapper/111:53:361
118672524,34sleep20-21swapper/208:02:302
12287995121,9cyclictest33-21ksoftirqd/208:06:562
106891510,1ptp4l401ktimersoftd/312:13:063
12287995045,2cyclictest321ktimersoftd/210:40:582
12287995020,10cyclictest33-21ksoftirqd/211:01:542
12287995019,7cyclictest33-21ksoftirqd/210:31:322
12287994921,8cyclictest33-21ksoftirqd/211:16:522
12287994920,9cyclictest33-21ksoftirqd/213:07:052
12287994920,10cyclictest33-21ksoftirqd/210:06:502
12287994919,6cyclictest33-21ksoftirqd/211:51:152
106891490,1ptp4l401ktimersoftd/310:49:073
1228799484,3cyclictest121rcu_preempt12:36:512
12287994841,4cyclictest33-21ksoftirqd/209:31:352
12287994821,10cyclictest33-21ksoftirqd/213:21:542
12287994817,9cyclictest33-21ksoftirqd/209:36:592
12287994817,11cyclictest33-21ksoftirqd/212:45:392
1228099480,44cyclictest1885-21ssh12:13:151
12276994836,7cyclictest9-21ksoftirqd/008:31:400
1228799476,11cyclictest33-21ksoftirqd/212:01:592
1228799474,6cyclictest19671-21ssh10:52:012
1228799473,8cyclictest15169-21ssh12:26:542
1228799473,8cyclictest15169-21ssh12:26:542
12287994737,3cyclictest33-21ksoftirqd/209:41:462
12287994721,4cyclictest33-21ksoftirqd/209:21:522
12287994720,9cyclictest33-21ksoftirqd/211:56:532
12287994720,10cyclictest33-21ksoftirqd/208:51:472
12287994720,10cyclictest33-21ksoftirqd/208:51:472
1228799471,7cyclictest33-21ksoftirqd/213:06:362
12287994717,6cyclictest33-21ksoftirqd/208:21:292
12276994734,7cyclictest9-21ksoftirqd/010:26:440
1228799466,5cyclictest33-21ksoftirqd/208:41:492
1228799462,9cyclictest33-21ksoftirqd/212:57:052
12287994619,5cyclictest33-21ksoftirqd/211:36:502
12287994619,10cyclictest33-21ksoftirqd/210:11:472
12287994618,4cyclictest33-21ksoftirqd/211:31:472
12287994618,10cyclictest33-21ksoftirqd/209:26:402
12287994618,10cyclictest33-21ksoftirqd/208:46:492
12287994617,9cyclictest33-21ksoftirqd/212:47:552
12287994617,11cyclictest33-21ksoftirqd/210:35:532
12287994616,10cyclictest33-21ksoftirqd/213:18:082
12287994615,9cyclictest33-21ksoftirqd/212:23:012
12276994635,5cyclictest9-21ksoftirqd/011:36:460
12287994534,4cyclictest33-21ksoftirqd/212:16:352
12287994519,4cyclictest33-21ksoftirqd/211:07:012
12287994519,10cyclictest33-21ksoftirqd/210:46:502
12287994518,4cyclictest33-21ksoftirqd/212:10:142
12287994517,9cyclictest33-21ksoftirqd/210:56:502
12287994516,8cyclictest33-21ksoftirqd/210:19:562
12287994516,10cyclictest33-21ksoftirqd/211:14:062
12287994515,10cyclictest33-21ksoftirqd/212:13:432
106891450,2ptp4l14446-21kworker/3:213:12:483
106891450,1ptp4l9537-21kworker/3:208:16:473
1228799446,7cyclictest33-21ksoftirqd/213:12:052
1228799443,7cyclictest33-21ksoftirqd/209:11:492
12287994434,3cyclictest33-21ksoftirqd/208:57:002
12287994434,3cyclictest33-21ksoftirqd/208:57:002
1228799442,9cyclictest33-21ksoftirqd/211:21:552
12287994421,9cyclictest33-21ksoftirqd/208:31:542
12287994416,9cyclictest33-21ksoftirqd/210:45:362
12287994412,9cyclictest33-21ksoftirqd/212:52:042
1228099441,23cyclictest0-21swapper/108:16:561
12276994434,6cyclictest9-21ksoftirqd/013:16:490
12276994432,5cyclictest9-21ksoftirqd/012:41:460
1228799436,7cyclictest33-21ksoftirqd/213:31:372
1228799436,7cyclictest33-21ksoftirqd/208:11:532
1228099431,28cyclictest32754-21apt-get11:06:451
106891430,1ptp4l401ktimersoftd/312:58:333
12287994233,3cyclictest33-21ksoftirqd/209:57:022
1228799422,6cyclictest33-21ksoftirqd/211:46:352
12287994220,7cyclictest33-21ksoftirqd/208:21:582
12287994215,6cyclictest33-21ksoftirqd/209:46:452
1228099420,27cyclictest7990-21unixbench_multi12:52:041
12276994231,6cyclictest9-21ksoftirqd/008:06:400
12276994230,6cyclictest9-21ksoftirqd/010:11:440
12287994114,8cyclictest33-21ksoftirqd/209:18:292
1228099411,18cyclictest0-21swapper/112:31:481
12276994131,5cyclictest9-21ksoftirqd/010:41:440
12276994129,6cyclictest9-21ksoftirqd/009:26:410
1228799407,3cyclictest33-21ksoftirqd/208:36:462
1228799406,7cyclictest33-21ksoftirqd/210:06:322
1228799404,7cyclictest33-21ksoftirqd/208:26:452
1228799403,10cyclictest33-21ksoftirqd/209:51:462
1228799401,7cyclictest33-21ksoftirqd/209:06:522
1228099401,30cyclictest25787-21apt-get10:26:451
1228099401,24cyclictest31798-21if_ens309:51:491
1228099400,37cyclictest13639-21fschecks_time10:46:481
1228099400,25cyclictest25535-21awk09:37:011
1228099400,24cyclictest5628-21diskmemload11:58:011
12276994029,6cyclictest9-21ksoftirqd/013:01:480
12287993916,4cyclictest33-21ksoftirqd/209:02:192
1228099390,27cyclictest0-21swapper/112:49:271
106891390,1ptp4l401ktimersoftd/312:38:043
106891390,1ptp4l401ktimersoftd/312:18:533
1228099384,26cyclictest3211-21ssh13:21:501
12280993818,17cyclictest11075-21grep12:22:051
1228099381,22cyclictest21913-21memory10:21:531
1228099380,28cyclictest0-21swapper/111:36:341
1228099380,23cyclictest2127-21latency09:56:521
1228099380,22cyclictest5628-21diskmemload13:08:381
12276993832,3cyclictest9-21ksoftirqd/009:56:320
106891380,1ptp4l401ktimersoftd/312:34:553
106891380,1ptp4l401ktimersoftd/312:08:073
106891380,1ptp4l401ktimersoftd/311:38:053
106891380,1ptp4l401ktimersoftd/311:01:313
106891380,1ptp4l401ktimersoftd/310:14:153
106891380,1ptp4l401ktimersoftd/310:08:563
106891380,0ptp4l401ktimersoftd/310:52:593
106891380,0ptp4l401ktimersoftd/310:23:503
1228099371,29cyclictest10961-21apt-get10:11:441
12276993727,5cyclictest9-21ksoftirqd/011:31:470
12276993727,5cyclictest9-21ksoftirqd/010:31:440
12276993725,10cyclictest9-21ksoftirqd/012:02:050
106891370,2ptp4l9537-21kworker/3:208:21:573
106891370,2ptp4l14446-21kworker/3:213:02:543
106891370,1ptp4l401ktimersoftd/313:27:113
106891370,1ptp4l401ktimersoftd/312:49:403
106891370,1ptp4l401ktimersoftd/312:28:243
106891370,1ptp4l401ktimersoftd/312:28:243
106891370,1ptp4l401ktimersoftd/312:25:423
106891370,1ptp4l401ktimersoftd/311:54:493
106891370,1ptp4l401ktimersoftd/311:32:153
106891370,1ptp4l401ktimersoftd/311:27:083
106891370,1ptp4l401ktimersoftd/311:13:353
106891370,1ptp4l401ktimersoftd/311:07:163
106891370,1ptp4l401ktimersoftd/311:05:203
106891370,1ptp4l401ktimersoftd/310:19:473
106891370,1ptp4l401ktimersoftd/308:46:253
1228099360,22cyclictest4214-21irqrtprio10:01:501
1228099360,18cyclictest0-21swapper/112:27:041
1228099360,18cyclictest0-21swapper/112:27:041
1228099360,18cyclictest0-21swapper/111:28:391
12276993631,3cyclictest9-21ksoftirqd/011:41:490
12276993630,3cyclictest9-21ksoftirqd/013:31:380
106891360,1ptp4l401ktimersoftd/313:07:283
106891360,1ptp4l401ktimersoftd/311:56:383
106891360,1ptp4l401ktimersoftd/311:43:243
106891360,1ptp4l401ktimersoftd/311:18:123
106891360,1ptp4l401ktimersoftd/310:44:493
106891360,1ptp4l401ktimersoftd/309:41:513
106891360,1ptp4l401ktimersoftd/309:06:583
106891360,0ptp4l401ktimersoftd/309:17:043
1228099352,26cyclictest27443-21apt-get08:36:421
12280993515,17cyclictest32486-21sh12:45:041
12280993515,17cyclictest18705-21sh13:03:291
12280993514,17cyclictest3503-21sed08:51:581
12280993514,17cyclictest3503-21sed08:51:581
1228099351,30cyclictest19223-21fschecks_count09:26:441
1228099351,28cyclictest0-21swapper/113:31:481
1228099350,20cyclictest0-21swapper/111:22:031
12276993530,3cyclictest9-21ksoftirqd/012:21:340
12276993523,7cyclictest9-21ksoftirqd/009:21:440
106891350,1ptp4l401ktimersoftd/313:24:313
106891350,1ptp4l401ktimersoftd/312:06:283
106891350,1ptp4l401ktimersoftd/309:31:133
106891350,13ptp4l401ktimersoftd/310:26:503
1228099343,24cyclictest18095-21apt-get10:51:451
1228099342,27cyclictest0-21swapper/108:11:411
1228099342,26cyclictest29953-21apt-get11:36:461
1228099342,26cyclictest0-21swapper/108:41:411
1228099340,19cyclictest5628-21diskmemload12:02:571
1228099340,18cyclictest0-21swapper/111:43:491
1227699344,4cyclictest9-21ksoftirqd/009:01:440
12276993429,3cyclictest9-21ksoftirqd/011:56:340
12276993429,3cyclictest9-21ksoftirqd/009:21:310
12276993425,5cyclictest9-21ksoftirqd/008:36:410
24612330,2sleep30-21swapper/313:21:053
1228099339,21cyclictest31524-21ssh11:05:091
1228099333,24cyclictest26890-21apt-get12:06:481
12280993315,15cyclictest5628-21diskmemload11:17:151
1228099331,27cyclictest3270-21apt-get10:36:451
12280993311,18cyclictest5573-21cat12:16:551
12276993327,3cyclictest9-21ksoftirqd/013:31:370
12276993327,3cyclictest9-21ksoftirqd/012:36:490
12276993327,3cyclictest9-21ksoftirqd/012:26:350
12276993327,3cyclictest9-21ksoftirqd/011:46:490
12276993327,3cyclictest9-21ksoftirqd/010:21:320
12276993327,3cyclictest9-21ksoftirqd/009:36:310
12276993327,3cyclictest9-21ksoftirqd/008:26:290
12276993325,4cyclictest9-21ksoftirqd/011:06:450
12276993323,5cyclictest9-21ksoftirqd/008:41:410
106891330,1ptp4l401ktimersoftd/309:35:453
1228099322,25cyclictest0-21swapper/112:36:441
1228099322,24cyclictest15930-21apt-get10:16:451
1228099322,23cyclictest28861-21apt-get09:46:431
1228099322,22cyclictest25054-21apt-get08:31:401
12280993213,16cyclictest32657-21sh08:46:461
1228099321,28cyclictest6121-21cpuspeed_turbos10:06:461
1228099320,29cyclictest9339-21ssh11:15:571
1228099320,29cyclictest0-21swapper/109:01:531
1228099320,26cyclictest28548-21sed09:46:321
1228099320,19cyclictest0-21swapper/111:49:171
12276993228,2cyclictest9-21ksoftirqd/012:11:510
12276993227,3cyclictest9-21ksoftirqd/013:06:550
12276993227,3cyclictest9-21ksoftirqd/012:52:040
12276993227,3cyclictest9-21ksoftirqd/010:06:320
12276993226,3cyclictest9-21ksoftirqd/011:26:500
12276993226,3cyclictest9-21ksoftirqd/010:36:490
12276993220,3cyclictest9-21ksoftirqd/010:46:370
106891320,1ptp4l401ktimersoftd/308:11:453
1228099312,23cyclictest20321-21apt-get08:21:421
12280993113,15cyclictest23321-21fschecks_count10:56:481
1228099311,26cyclictest9688-21sed09:06:481
1228099311,26cyclictest13232-21tail09:12:021
1228099310,27cyclictest26176-21grep13:11:521
12276993126,3cyclictest9-21ksoftirqd/012:56:540
12276993126,3cyclictest9-21ksoftirqd/010:07:020
12276993126,3cyclictest9-21ksoftirqd/009:41:310
12276993125,3cyclictest9-21ksoftirqd/013:12:050
12276993125,3cyclictest9-21ksoftirqd/009:56:510
12276993125,3cyclictest9-21ksoftirqd/009:46:480
12276993123,4cyclictest9-21ksoftirqd/011:56:470
106891310,1ptp4l401ktimersoftd/313:35:473
106891310,1ptp4l401ktimersoftd/310:02:043
106891310,1ptp4l401ktimersoftd/309:59:063
1228099301,26cyclictest22778-21gzip09:31:541
1228099301,25cyclictest4951-21head08:56:481
1228099301,25cyclictest4951-21head08:56:481
1228099301,25cyclictest14142-21grep09:16:441
1228099301,25cyclictest11447-21ssh12:56:511
1228099300,27cyclictest0-21swapper/108:06:291
12276993025,3cyclictest9-21ksoftirqd/013:26:370
12276993025,3cyclictest9-21ksoftirqd/011:01:490
12276993025,3cyclictest9-21ksoftirqd/009:11:300
12276993024,3cyclictest9-21ksoftirqd/012:36:350
12276993024,3cyclictest9-21ksoftirqd/011:21:460
12276993024,3cyclictest9-21ksoftirqd/011:21:340
12276993024,3cyclictest9-21ksoftirqd/008:46:430
12276993024,3cyclictest9-21ksoftirqd/008:11:330
106891300,0ptp4l401ktimersoftd/309:23:233
106891300,0ptp4l401ktimersoftd/308:27:423
1228099290,26cyclictest8217-21sshd13:26:491
1228099290,26cyclictest16858-21/usr/sbin/munin09:21:471
12276992924,3cyclictest9-21ksoftirqd/012:06:480
12276992924,3cyclictest9-21ksoftirqd/011:01:330
12276992924,3cyclictest9-21ksoftirqd/008:56:510
12276992924,3cyclictest9-21ksoftirqd/008:56:510
12276992924,3cyclictest19006-1kworker/u9:112:48:070
12276992922,4cyclictest24742-21cron08:31:290
12276992919,5cyclictest9-21ksoftirqd/008:51:440
12276992919,5cyclictest9-21ksoftirqd/008:51:440
12293992821,4cyclictest41-21ksoftirqd/309:11:373
12276992823,3cyclictest9-21ksoftirqd/012:26:510
12276992823,3cyclictest9-21ksoftirqd/012:26:510
12276992823,3cyclictest9-21ksoftirqd/011:11:550
12276992823,3cyclictest9-21ksoftirqd/009:11:490
106891280,1ptp4l401ktimersoftd/309:03:273
106891280,11ptp4l401ktimersoftd/308:10:273
12276992722,3cyclictest9-21ksoftirqd/008:21:290
106891270,1ptp4l401ktimersoftd/309:46:363
106891260,0ptp4l401ktimersoftd/308:46:363
12293992417,4cyclictest41-21ksoftirqd/308:38:133
106891240,1ptp4l401ktimersoftd/309:38:563
106891240,1ptp4l401ktimersoftd/308:56:593
106891240,1ptp4l401ktimersoftd/308:56:593
106891240,1ptp4l401ktimersoftd/308:54:023
106891240,1ptp4l401ktimersoftd/308:54:023
106891230,1ptp4l401ktimersoftd/309:51:513
106891230,1ptp4l401ktimersoftd/308:31:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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