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2026-09-18 - 03:13
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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 Fri Sep 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2506721700,4sleep32862899cyclictest23:46:553
1741821530,4sleep02861099cyclictest22:24:580
1832521510,5sleep02861099cyclictest00:45:380
1068911060,4ptp4l401ktimersoftd/321:41:243
185392700,2sleep30-21swapper/300:46:013
106891680,9ptp4l401ktimersoftd/301:01:153
147882640,4sleep214787-21df01:49:512
282382584,10sleep10-21swapper/121:41:061
172942580,3sleep22861999cyclictest00:11:392
299592550,2sleep10-21swapper/100:58:551
286642540,2sleep20-21swapper/201:30:002
205332530,1sleep00-21swapper/003:00:360
177692530,2sleep30-21swapper/300:12:283
2861099517,9cyclictest9-21ksoftirqd/001:54:380
2861099506,7cyclictest9-21ksoftirqd/002:59:410
28610995021,6cyclictest9-21ksoftirqd/021:54:490
2861099502,11cyclictest9-21ksoftirqd/000:19:500
153592500,2sleep215360-21sh00:43:552
326072490,3sleep132598-21ssh01:34:531
2861099487,7cyclictest17228-21/usr/sbin/munin23:35:070
28610994822,4cyclictest9-21ksoftirqd/000:12:510
28610994821,4cyclictest9-21ksoftirqd/000:52:250
28610994820,7cyclictest9-21ksoftirqd/003:09:590
28610994820,7cyclictest9-21ksoftirqd/001:10:340
28610994819,6cyclictest9-21ksoftirqd/001:47:480
28610994813,4cyclictest9-21ksoftirqd/002:26:370
28610994721,4cyclictest9-21ksoftirqd/000:37:090
28610994720,5cyclictest9-21ksoftirqd/002:13:160
2861099465,7cyclictest9-21ksoftirqd/002:39:400
2861099464,9cyclictest9-21ksoftirqd/021:45:010
2861099464,7cyclictest9-21ksoftirqd/003:09:400
2861099464,6cyclictest643-21ssh01:34:580
2861099463,9cyclictest9-21ksoftirqd/023:54:560
28610994634,3cyclictest9-21ksoftirqd/001:41:230
28610994620,4cyclictest9-21ksoftirqd/000:41:030
125252460,1sleep00-21swapper/000:07:110
2861099456,9cyclictest9-21ksoftirqd/023:40:050
2861099456,6cyclictest9-21ksoftirqd/022:30:030
2861099455,7cyclictest9-21ksoftirqd/001:15:020
2861099454,9cyclictest9-21ksoftirqd/002:29:560
2861099454,7cyclictest9-21ksoftirqd/001:55:020
28610994520,9cyclictest9-21ksoftirqd/002:44:040
28610994519,4cyclictest9-21ksoftirqd/023:30:290
28610994519,4cyclictest9-21ksoftirqd/001:25:340
28610994519,4cyclictest9-21ksoftirqd/000:26:090
2861099446,7cyclictest9-21ksoftirqd/002:19:510
2861099445,7cyclictest9-21ksoftirqd/022:49:350
2861099444,7cyclictest9-21ksoftirqd/002:00:090
2861099444,6cyclictest28991-21ssh01:30:070
2861099443,7cyclictest11139-21ssh02:19:390
28610994420,4cyclictest9-21ksoftirqd/001:01:560
28610994419,9cyclictest9-21ksoftirqd/002:53:560
28610994418,10cyclictest9-21ksoftirqd/000:03:150
28610994417,4cyclictest9-21ksoftirqd/022:12:000
282832445,26sleep20-21swapper/221:41:392
2861099437,4cyclictest9-21ksoftirqd/023:24:360
2861099433,6cyclictest9-21ksoftirqd/002:04:560
28610994317,6cyclictest9-21ksoftirqd/000:29:580
28610994317,5cyclictest9-21ksoftirqd/000:19:140
2861099426,7cyclictest9-21ksoftirqd/023:49:540
2861099426,4cyclictest9-21ksoftirqd/021:49:460
2861099424,7cyclictest9-21ksoftirqd/023:24:560
2861099424,7cyclictest9-21ksoftirqd/022:34:470
2861099424,7cyclictest9-21ksoftirqd/022:34:470
2861099424,10cyclictest9-21ksoftirqd/022:55:010
2861099423,9cyclictest9-21ksoftirqd/023:19:360
28610994221,7cyclictest9-21ksoftirqd/000:56:300
28610994217,4cyclictest9-21ksoftirqd/022:01:000
28610994217,4cyclictest9-21ksoftirqd/002:48:560
2861099416,4cyclictest9-21ksoftirqd/023:10:010
2861099415,6cyclictest9-21ksoftirqd/023:44:560
2861099415,5cyclictest9-21ksoftirqd/022:39:560
28610994119,4cyclictest9-21ksoftirqd/001:19:540
2862899409,20cyclictest19980-21mailstats22:29:573
2861099403,9cyclictest9-21ksoftirqd/022:49:460
2861099403,5cyclictest9-21ksoftirqd/001:04:560
2861099402,7cyclictest9-21ksoftirqd/022:04:500
106891400,0ptp4l401ktimersoftd/300:53:093
2861099396,6cyclictest9-21ksoftirqd/022:15:020
2861099394,7cyclictest5145-21awk23:09:350
2861099392,8cyclictest9-21ksoftirqd/022:59:570
2861099390,7cyclictest9-21ksoftirqd/022:19:510
106891390,1ptp4l401ktimersoftd/303:01:363
106891390,1ptp4l401ktimersoftd/302:59:043
106891390,1ptp4l401ktimersoftd/302:40:453
106891390,1ptp4l401ktimersoftd/301:28:003
106891390,1ptp4l401ktimersoftd/301:21:403
106891390,1ptp4l401ktimersoftd/300:16:083
28628993821,14cyclictest41-21ksoftirqd/323:50:163
28628993814,20cyclictest13009-21sed23:24:513
28619993822,7cyclictest33-21ksoftirqd/202:19:512
115702380,2sleep20-21swapper/200:05:332
106891380,1ptp4l401ktimersoftd/322:34:563
106891380,1ptp4l401ktimersoftd/322:34:563
106891380,1ptp4l401ktimersoftd/302:52:283
106891380,1ptp4l401ktimersoftd/302:49:383
106891380,1ptp4l401ktimersoftd/302:38:023
106891380,1ptp4l401ktimersoftd/302:17:343
106891380,1ptp4l401ktimersoftd/302:13:043
106891380,1ptp4l401ktimersoftd/301:57:423
106891380,1ptp4l401ktimersoftd/301:51:163
106891380,1ptp4l401ktimersoftd/300:55:413
106891380,1ptp4l401ktimersoftd/300:30:213
106891380,1ptp4l401ktimersoftd/300:27:573
106891380,1ptp4l401ktimersoftd/300:04:523
106891380,0ptp4l401ktimersoftd/302:32:383
106891380,0ptp4l401ktimersoftd/300:38:333
2862899371,33cyclictest24981-21sed01:59:553
28628993712,21cyclictest8055-21basename01:09:513
2861099371,7cyclictest9-21ksoftirqd/021:44:330
106891370,1ptp4l401ktimersoftd/302:29:213
106891370,1ptp4l401ktimersoftd/302:07:403
106891370,1ptp4l401ktimersoftd/301:47:013
106891370,1ptp4l401ktimersoftd/301:04:513
106891370,1ptp4l401ktimersoftd/300:40:233
106891370,1ptp4l401ktimersoftd/300:03:003
106891370,0ptp4l401ktimersoftd/303:05:133
106891370,0ptp4l401ktimersoftd/300:21:253
106891360,1ptp4l401ktimersoftd/301:42:593
106891360,1ptp4l401ktimersoftd/301:30:063
106891360,0ptp4l401ktimersoftd/323:10:153
106891360,0ptp4l401ktimersoftd/322:27:233
2862899359,22cyclictest24617-21processes22:39:573
2862899356,3cyclictest39992irq/91-enp1s001:34:513
2862899353,4cyclictest0-21swapper/321:54:453
2862899353,4cyclictest0-21swapper/321:44:453
28628993514,18cyclictest29503-21phc2sys-jitter22:49:563
2862899350,31cyclictest1045-21cut22:59:503
106891350,1ptp4l401ktimersoftd/303:12:513
2862899349,22cyclictest8363-21if_enp1s0.123:14:533
2862899348,23cyclictest14166-21phc2sys-jitter01:15:013
2862899347,3cyclictest20578-21cut23:39:553
28619993428,3cyclictest33-21ksoftirqd/203:14:412
28615993416,9cyclictest30747-21rm00:59:471
320542330,4sleep12861599cyclictest02:40:011
2862899339,20cyclictest25938-21acpi22:44:453
2862899332,5cyclictest0-21swapper/321:59:453
28628993311,19cyclictest11676-21fschecks_time22:14:493
2862899331,10cyclictest11663-21apt-get02:19:503
28628993310,20cyclictest13933-21expr22:19:473
2862899321,6cyclictest30760-21apt-get22:54:453
28619993227,3cyclictest33-21ksoftirqd/223:49:362
165102320,1sleep10-21swapper/100:10:171
2862899317,3cyclictest32031-21cpuspeed_turbos21:49:463
2862899315,6cyclictest0-21swapper/322:04:463
28619993125,3cyclictest33-21ksoftirqd/202:59:402
28619993124,4cyclictest8649-21cron22:09:332
2861599311,3cyclictest121rcu_preempt23:47:161
2862899309,17cyclictest11020-21latency_hist22:14:333
2862899305,3cyclictest16093-21processes23:29:573
28619993025,3cyclictest33-21ksoftirqd/223:34:362
2861999300,5cyclictest21067-21ssh03:01:312
12152300,4sleep1231rcuc/122:59:511
2862899296,3cyclictest3212-21expr23:04:473
28619992924,3cyclictest33-21ksoftirqd/202:34:392
28619992923,3cyclictest33-21ksoftirqd/202:42:322
28619992923,3cyclictest33-21ksoftirqd/201:24:212
28615992924,3cyclictest25-21ksoftirqd/122:54:341
28615992923,3cyclictest25-21ksoftirqd/100:19:501
2862899283,3cyclictest0-21swapper/323:19:513
2862899281,4cyclictest1019-21ssh23:55:003
28619992824,2cyclictest321ktimersoftd/202:44:572
28619992822,3cyclictest33-21ksoftirqd/222:29:332
2861999281,12cyclictest8922-21latency_hist00:04:362
28615992822,3cyclictest25-21ksoftirqd/101:09:521
2861999272,3cyclictest121rcu_preempt00:30:072
28619992722,3cyclictest33-21ksoftirqd/202:14:392
28619992722,3cyclictest33-21ksoftirqd/200:45:072
28619992721,4cyclictest33-21ksoftirqd/200:59:372
28619992721,3cyclictest33-21ksoftirqd/223:26:302
28619992721,3cyclictest33-21ksoftirqd/222:14:522
28619992721,3cyclictest33-21ksoftirqd/201:59:392
28619992720,4cyclictest33-21ksoftirqd/201:08:082
28619992720,4cyclictest33-21ksoftirqd/200:50:012
28619992716,8cyclictest33-21ksoftirqd/201:24:542
28615992721,3cyclictest25-21ksoftirqd/122:39:481
28615992721,3cyclictest25-21ksoftirqd/122:29:331
2862899260,5cyclictest17709-21gltestperf23:34:523
28619992621,3cyclictest33-21ksoftirqd/223:59:352
28619992621,3cyclictest33-21ksoftirqd/222:29:522
28619992621,3cyclictest33-21ksoftirqd/201:09:532
28619992620,4cyclictest33-21ksoftirqd/203:05:022
28619992620,4cyclictest33-21ksoftirqd/200:28:052
28619992620,3cyclictest33-21ksoftirqd/222:55:162
28619992620,3cyclictest33-21ksoftirqd/202:15:022
28619992620,3cyclictest33-21ksoftirqd/201:04:372
28619992620,3cyclictest33-21ksoftirqd/200:19:482
28619992619,4cyclictest33-21ksoftirqd/223:23:312
28619992619,4cyclictest33-21ksoftirqd/222:00:472
28619992619,4cyclictest33-21ksoftirqd/201:43:372
28619992619,3cyclictest33-21ksoftirqd/221:54:522
28615992621,3cyclictest25-21ksoftirqd/122:44:531
28615992621,3cyclictest25-21ksoftirqd/102:59:401
28615992621,3cyclictest25-21ksoftirqd/102:05:101
28615992621,3cyclictest25-21ksoftirqd/101:05:001
28615992621,3cyclictest25-21ksoftirqd/100:04:361
28615992620,4cyclictest25-21ksoftirqd/102:09:571
28615992619,4cyclictest25-21ksoftirqd/102:38:081
28615992610,3cyclictest25-21ksoftirqd/101:19:511
28619992520,3cyclictest33-21ksoftirqd/221:49:342
28619992520,3cyclictest33-21ksoftirqd/200:19:362
28619992519,3cyclictest33-21ksoftirqd/223:03:292
28619992519,3cyclictest33-21ksoftirqd/222:44:522
28619992519,3cyclictest33-21ksoftirqd/202:49:592
28619992519,3cyclictest33-21ksoftirqd/200:34:512
28619992518,4cyclictest33-21ksoftirqd/223:37:222
28619992518,4cyclictest33-21ksoftirqd/223:15:142
28619992518,4cyclictest33-21ksoftirqd/222:39:132
28619992518,4cyclictest33-21ksoftirqd/222:39:132
2861999250,3cyclictest121rcu_preempt23:39:472
28615992520,3cyclictest25-21ksoftirqd/123:44:361
28615992520,3cyclictest25-21ksoftirqd/121:44:511
28615992520,3cyclictest25-21ksoftirqd/102:45:021
28615992520,3cyclictest25-21ksoftirqd/102:14:501
28615992520,3cyclictest25-21ksoftirqd/101:55:021
28615992520,3cyclictest25-21ksoftirqd/101:49:511
28615992519,3cyclictest25-21ksoftirqd/123:25:441
28615992519,3cyclictest25-21ksoftirqd/101:39:591
28615992518,4cyclictest25-21ksoftirqd/122:34:301
28615992518,4cyclictest25-21ksoftirqd/103:12:251
2861599250,10cyclictest141152open_files01:15:001
206252250,2sleep10-21swapper/100:49:361
28619992419,3cyclictest33-21ksoftirqd/201:15:032
28619992418,3cyclictest33-21ksoftirqd/222:44:212
28619992418,3cyclictest33-21ksoftirqd/222:20:202
28619992417,4cyclictest33-21ksoftirqd/202:34:542
2861999240,2cyclictest121rcu_preempt01:34:552
28615992419,3cyclictest25-21ksoftirqd/123:50:041
28615992419,3cyclictest25-21ksoftirqd/103:08:371
28615992419,3cyclictest25-21ksoftirqd/101:29:541
28615992419,3cyclictest25-21ksoftirqd/100:15:051
28615992418,3cyclictest25-21ksoftirqd/122:20:011
28615992418,3cyclictest25-21ksoftirqd/121:49:461
28615992418,3cyclictest25-21ksoftirqd/101:24:511
28615992417,4cyclictest25-21ksoftirqd/123:21:471
28615992417,4cyclictest25-21ksoftirqd/123:09:071
28615992417,4cyclictest25-21ksoftirqd/122:17:001
28619992317,3cyclictest33-21ksoftirqd/223:09:342
28619992316,4cyclictest33-21ksoftirqd/223:11:572
28619992316,4cyclictest33-21ksoftirqd/222:14:282
28615992318,3cyclictest25-21ksoftirqd/102:54:401
28615992318,3cyclictest25-21ksoftirqd/101:44:511
28615992318,3cyclictest25-21ksoftirqd/100:04:501
28615992317,3cyclictest25-21ksoftirqd/122:06:001
28615992317,3cyclictest25-21ksoftirqd/102:19:501
28615992317,3cyclictest25-21ksoftirqd/100:49:571
28615992317,3cyclictest25-21ksoftirqd/100:44:371
28615992316,4cyclictest25-21ksoftirqd/123:33:481
28615992316,4cyclictest25-21ksoftirqd/122:35:591
28615992316,4cyclictest25-21ksoftirqd/122:35:591
28615992316,4cyclictest25-21ksoftirqd/122:01:421
28619992217,3cyclictest33-21ksoftirqd/202:25:002
28619992215,4cyclictest28144-21sh02:03:182
28615992217,3cyclictest25-21ksoftirqd/123:14:491
28615992217,3cyclictest25-21ksoftirqd/102:29:541
28615992216,4cyclictest25-21ksoftirqd/102:25:001
28615992215,4cyclictest25-21ksoftirqd/123:11:521
28619992115,3cyclictest33-21ksoftirqd/223:49:552
28619992115,3cyclictest33-21ksoftirqd/222:51:352
28619992115,3cyclictest33-21ksoftirqd/221:49:362
28619992115,3cyclictest12082-21sh01:46:062
28619992114,4cyclictest33-21ksoftirqd/202:07:422
28615992116,3cyclictest25-21ksoftirqd/123:55:521
28615992116,3cyclictest25-21ksoftirqd/123:34:471
28615992115,3cyclictest25-21ksoftirqd/122:54:521
28615992115,3cyclictest25-21ksoftirqd/121:55:351
28615992114,5cyclictest25-21ksoftirqd/100:24:581
28615992114,4cyclictest47050irq/101-ens3-Tx01:59:411
28615992014,3cyclictest25-21ksoftirqd/122:09:461
28615992013,4cyclictest21729-21diskmemload00:36:311
28615991913,3cyclictest19641-21sh03:00:031
2861599191,15cyclictest0-21swapper/100:29:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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