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2026-06-27 - 10:22
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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 Jun 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911170,13ptp4l19656-21kworker/3:220:54:053
106891950,1ptp4l401ktimersoftd/323:49:253
106891740,1ptp4l401ktimersoftd/300:32:593
189752730,3sleep3401ktimersoftd/300:06:143
189752730,3sleep3401ktimersoftd/300:06:143
106891730,1ptp4l401ktimersoftd/323:20:543
313882630,5sleep031372-21ssh00:19:040
302742590,4sleep330278-21gltestperf22:19:033
106891580,1ptp4l401ktimersoftd/323:13:263
106891560,1ptp4l401ktimersoftd/301:49:183
106891560,1ptp4l401ktimersoftd/300:52:403
226012554,38sleep00-21swapper/020:56:050
106891550,1ptp4l401ktimersoftd/300:01:303
106891540,1ptp4l401ktimersoftd/301:42:183
225002514,34sleep20-21swapper/220:54:462
163942500,4sleep32292999cyclictest21:49:083
11602500,1sleep30-21swapper/301:27:163
106891500,2ptp4l29997-21kworker/3:200:25:173
106891500,13ptp4l401ktimersoftd/301:20:423
319342490,2sleep20-21swapper/200:52:592
106891490,2ptp4l16744-21kworker/3:201:29:113
106891490,1ptp4l401ktimersoftd/302:23:113
106891460,2ptp4l13606-21kworker/3:023:25:393
106891460,1ptp4l401ktimersoftd/323:55:353
106891440,2ptp4l29997-21kworker/3:200:22:103
106891440,1ptp4l401ktimersoftd/300:47:273
215602420,3sleep1121rcu_preempt23:35:371
106891390,1ptp4l401ktimersoftd/323:35:133
106891390,1ptp4l401ktimersoftd/321:09:003
106891390,1ptp4l401ktimersoftd/301:45:223
106891390,1ptp4l401ktimersoftd/301:45:223
106891380,2ptp4l29569-21kworker/3:102:04:173
106891380,2ptp4l16984-21kworker/3:122:23:523
106891380,1ptp4l401ktimersoftd/300:15:243
106891370,1ptp4l401ktimersoftd/323:40:563
106891370,1ptp4l401ktimersoftd/323:31:263
106891370,1ptp4l401ktimersoftd/323:18:283
106891370,1ptp4l401ktimersoftd/323:08:233
106891370,1ptp4l401ktimersoftd/323:03:023
106891370,1ptp4l401ktimersoftd/302:25:513
106891370,1ptp4l401ktimersoftd/301:08:293
106891370,1ptp4l401ktimersoftd/300:42:343
106891370,0ptp4l401ktimersoftd/321:59:053
106891370,0ptp4l401ktimersoftd/301:17:133
22916993630,3cyclictest25-21ksoftirqd/101:28:591
106891360,1ptp4l401ktimersoftd/302:16:533
106891360,1ptp4l401ktimersoftd/302:11:133
106891360,1ptp4l401ktimersoftd/302:00:453
106891360,1ptp4l401ktimersoftd/301:00:303
106891360,1ptp4l401ktimersoftd/300:35:203
106891360,13ptp4l401ktimersoftd/320:59:123
106891360,0ptp4l401ktimersoftd/322:18:083
106891360,0ptp4l401ktimersoftd/301:35:333
273632350,2sleep20-21swapper/200:48:332
241992350,5sleep1241ktimersoftd/123:39:021
2292199355,3cyclictest121rcu_preempt23:04:082
106891350,1ptp4l401ktimersoftd/300:09:213
106891350,0ptp4l401ktimersoftd/321:58:453
106891350,0ptp4l401ktimersoftd/301:56:003
22916993428,3cyclictest25-21ksoftirqd/123:09:001
106891340,1ptp4l401ktimersoftd/322:49:003
22916993328,3cyclictest25-21ksoftirqd/101:59:021
22916993327,3cyclictest25-21ksoftirqd/122:13:461
22916993327,3cyclictest25-21ksoftirqd/121:28:451
22911993330,2cyclictest9-21ksoftirqd/000:48:490
22911993328,3cyclictest9-21ksoftirqd/021:53:450
106891330,1ptp4l401ktimersoftd/322:06:093
106891330,1ptp4l401ktimersoftd/321:20:343
106891330,1ptp4l401ktimersoftd/300:57:493
22916993221,9cyclictest25-21ksoftirqd/121:49:051
22916993220,10cyclictest25-21ksoftirqd/101:54:221
22911993226,3cyclictest9-21ksoftirqd/000:13:490
106891320,9ptp4l401ktimersoftd/301:12:413
22916993126,3cyclictest25-21ksoftirqd/100:18:481
22916993125,3cyclictest25-21ksoftirqd/100:13:481
22911993126,3cyclictest9-21ksoftirqd/001:13:510
11092310,3sleep2321ktimersoftd/201:27:112
106891310,1ptp4l401ktimersoftd/321:44:393
106891310,0ptp4l401ktimersoftd/322:32:073
22916993025,3cyclictest25-21ksoftirqd/123:29:061
22916993025,3cyclictest25-21ksoftirqd/101:53:511
22916993025,3cyclictest25-21ksoftirqd/100:08:481
22916993025,3cyclictest25-21ksoftirqd/100:08:481
22916993024,3cyclictest25-21ksoftirqd/102:28:521
22916993024,3cyclictest25-21ksoftirqd/101:44:091
22916993024,3cyclictest25-21ksoftirqd/101:44:091
22916993024,3cyclictest25-21ksoftirqd/100:53:501
22916993023,3cyclictest25-21ksoftirqd/101:09:021
22916993019,9cyclictest25-21ksoftirqd/121:43:591
22911993025,3cyclictest9-21ksoftirqd/002:09:030
22911993025,3cyclictest9-21ksoftirqd/001:38:500
22911993024,3cyclictest9-21ksoftirqd/002:18:510
211312306,11sleep10-21swapper/120:54:001
106891300,1ptp4l401ktimersoftd/321:07:183
106891300,0ptp4l401ktimersoftd/321:25:043
22921992922,4cyclictest33-21ksoftirqd/200:04:172
22921992922,4cyclictest33-21ksoftirqd/200:04:172
22916992924,3cyclictest25-21ksoftirqd/122:58:471
22916992924,3cyclictest25-21ksoftirqd/102:14:111
22916992924,3cyclictest25-21ksoftirqd/100:38:491
22916992923,3cyclictest25-21ksoftirqd/123:49:031
22916992923,3cyclictest25-21ksoftirqd/123:48:471
22916992923,3cyclictest25-21ksoftirqd/121:53:451
22916992923,3cyclictest25-21ksoftirqd/102:19:051
22916992922,4cyclictest25-21ksoftirqd/122:33:581
22911992924,3cyclictest9-21ksoftirqd/022:58:470
22911992923,3cyclictest9-21ksoftirqd/001:44:030
22911992923,3cyclictest9-21ksoftirqd/001:44:030
123082290,1sleep212310-21cut23:59:112
106891290,1ptp4l401ktimersoftd/322:09:363
22916992823,3cyclictest25-21ksoftirqd/123:59:021
22916992823,3cyclictest25-21ksoftirqd/123:19:001
22916992823,3cyclictest25-21ksoftirqd/122:43:471
22916992823,3cyclictest25-21ksoftirqd/122:33:461
22916992823,3cyclictest25-21ksoftirqd/121:58:561
22916992823,3cyclictest25-21ksoftirqd/102:09:071
22916992823,3cyclictest25-21ksoftirqd/101:18:501
22916992823,3cyclictest25-21ksoftirqd/100:39:161
22916992822,3cyclictest25-21ksoftirqd/100:48:501
22916992821,4cyclictest25-21ksoftirqd/101:24:051
22911992823,3cyclictest9-21ksoftirqd/023:33:470
22911992823,3cyclictest9-21ksoftirqd/001:54:030
22911992823,3cyclictest9-21ksoftirqd/000:53:500
22911992822,3cyclictest9-21ksoftirqd/021:28:580
22911992822,3cyclictest9-21ksoftirqd/001:19:020
22911992822,3cyclictest9-21ksoftirqd/000:59:070
22911992812,3cyclictest9-21ksoftirqd/023:24:010
2292199273,3cyclictest121rcu_preempt00:35:302
22921992721,3cyclictest33-21ksoftirqd/201:51:242
22921992719,4cyclictest321ktimersoftd/223:24:002
22916992722,3cyclictest25-21ksoftirqd/123:14:041
22916992722,3cyclictest25-21ksoftirqd/101:34:021
22916992722,3cyclictest25-21ksoftirqd/101:19:021
22916992721,3cyclictest25-21ksoftirqd/101:39:021
22916992721,3cyclictest25-21ksoftirqd/101:05:101
22911992723,3cyclictest9-21ksoftirqd/021:13:450
22911992722,3cyclictest9-21ksoftirqd/023:14:070
22911992722,3cyclictest9-21ksoftirqd/022:43:460
22911992722,3cyclictest9-21ksoftirqd/002:04:030
22911992722,3cyclictest9-21ksoftirqd/001:33:500
22911992722,3cyclictest9-21ksoftirqd/001:14:010
22911992722,3cyclictest9-21ksoftirqd/001:04:160
22911992722,3cyclictest9-21ksoftirqd/000:43:060
22911992722,3cyclictest9-21ksoftirqd/000:34:080
22911992722,3cyclictest9-21ksoftirqd/000:14:050
22911992721,3cyclictest9-21ksoftirqd/000:33:490
22911992720,4cyclictest9-21ksoftirqd/021:54:060
222182270,2sleep00-21swapper/023:36:440
106891270,1ptp4l401ktimersoftd/323:44:253
22921992621,3cyclictest33-21ksoftirqd/221:38:452
22921992620,3cyclictest33-21ksoftirqd/223:19:362
22921992620,3cyclictest33-21ksoftirqd/221:57:372
22921992620,3cyclictest33-21ksoftirqd/202:00:512
22921992620,3cyclictest33-21ksoftirqd/200:21:512
22921992619,4cyclictest33-21ksoftirqd/222:04:242
22916992621,3cyclictest25-21ksoftirqd/122:49:151
22916992621,3cyclictest25-21ksoftirqd/121:38:461
22916992621,3cyclictest25-21ksoftirqd/121:29:041
22916992621,3cyclictest25-21ksoftirqd/121:19:011
22916992621,3cyclictest25-21ksoftirqd/121:18:451
22916992621,3cyclictest25-21ksoftirqd/121:03:441
22916992621,3cyclictest25-21ksoftirqd/102:04:081
22916992621,3cyclictest25-21ksoftirqd/100:28:491
22916992620,4cyclictest25-21ksoftirqd/100:59:041
22916992620,3cyclictest25-21ksoftirqd/123:58:481
22916992620,3cyclictest25-21ksoftirqd/121:04:031
22916992620,3cyclictest25-21ksoftirqd/100:24:031
22916992619,4cyclictest25-21ksoftirqd/122:14:001
22916992619,4cyclictest25-21ksoftirqd/121:09:131
22911992621,3cyclictest9-21ksoftirqd/022:58:590
22911992621,3cyclictest9-21ksoftirqd/022:33:570
22911992621,3cyclictest9-21ksoftirqd/022:28:460
22911992621,3cyclictest9-21ksoftirqd/002:19:090
22911992621,3cyclictest9-21ksoftirqd/000:54:080
22911992620,3cyclictest9-21ksoftirqd/023:59:060
22911992620,3cyclictest9-21ksoftirqd/021:38:550
22911992620,3cyclictest9-21ksoftirqd/021:33:570
22911992620,3cyclictest9-21ksoftirqd/021:03:450
22911992620,3cyclictest9-21ksoftirqd/001:53:510
22911992620,3cyclictest9-21ksoftirqd/001:39:080
22911992617,7cyclictest9-21ksoftirqd/021:23:570
106891260,1ptp4l401ktimersoftd/321:18:013
106891260,0ptp4l401ktimersoftd/321:35:173
2292199254,18cyclictest1757-21sed23:49:042
22921992519,3cyclictest33-21ksoftirqd/222:39:522
22921992518,4cyclictest33-21ksoftirqd/222:37:282
22921992518,4cyclictest33-21ksoftirqd/221:45:582
22921992518,4cyclictest33-21ksoftirqd/221:31:082
22921992518,4cyclictest33-21ksoftirqd/221:12:292
22921992518,4cyclictest33-21ksoftirqd/202:25:492
22921992511,11cyclictest233-21systemd-journal02:08:512
22916992520,3cyclictest25-21ksoftirqd/122:04:041
22916992520,3cyclictest25-21ksoftirqd/121:43:461
22916992520,3cyclictest25-21ksoftirqd/100:58:501
22916992520,3cyclictest25-21ksoftirqd/100:19:071
22916992519,3cyclictest25-21ksoftirqd/122:59:071
22916992519,3cyclictest25-21ksoftirqd/122:23:461
22911992520,3cyclictest9-21ksoftirqd/023:19:000
22911992520,3cyclictest9-21ksoftirqd/022:29:050
22911992520,3cyclictest9-21ksoftirqd/022:14:050
22911992519,3cyclictest9-21ksoftirqd/023:54:000
22911992519,3cyclictest9-21ksoftirqd/021:59:040
22911992519,3cyclictest9-21ksoftirqd/021:18:580
22911992518,4cyclictest9-21ksoftirqd/022:20:560
2291199251,4cyclictest2106-21sendmail-msp01:28:500
22911992511,4cyclictest9-21ksoftirqd/023:53:020
106891250,1ptp4l401ktimersoftd/322:34:403
106891250,1ptp4l401ktimersoftd/321:28:573
106891250,0ptp4l401ktimersoftd/322:38:543
22929992417,4cyclictest41-21ksoftirqd/322:44:363
22921992419,3cyclictest33-21ksoftirqd/202:13:512
22921992418,3cyclictest33-21ksoftirqd/201:54:282
22921992417,4cyclictest33-21ksoftirqd/221:28:352
22921992417,4cyclictest33-21ksoftirqd/201:37:072
22916992419,3cyclictest25-21ksoftirqd/123:24:041
22916992419,3cyclictest25-21ksoftirqd/123:04:011
22916992418,3cyclictest25-21ksoftirqd/122:47:071
22916992417,4cyclictest25-21ksoftirqd/122:23:591
22911992419,3cyclictest9-21ksoftirqd/023:43:480
22911992419,3cyclictest9-21ksoftirqd/023:04:050
22911992419,3cyclictest9-21ksoftirqd/021:03:460
22911992419,3cyclictest9-21ksoftirqd/002:28:520
22911992419,3cyclictest9-21ksoftirqd/001:59:060
22911992418,3cyclictest9-21ksoftirqd/022:04:040
22911992410,8cyclictest46950irq/100-ens3-Tx23:08:580
22921992318,3cyclictest33-21ksoftirqd/222:18:132
22921992318,3cyclictest33-21ksoftirqd/201:48:502
22921992318,3cyclictest33-21ksoftirqd/201:48:502
22921992317,4cyclictest33-21ksoftirqd/221:17:432
22921992317,3cyclictest33-21ksoftirqd/200:54:262
22921992316,4cyclictest9738-21sed22:44:022
22921992316,4cyclictest33-21ksoftirqd/222:12:432
22921992316,4cyclictest33-21ksoftirqd/202:22:442
2292199231,3cyclictest15361-21snmp_o5powerctl22:54:112
22921992312,5cyclictest25641-21latency_hist00:13:492
22911992318,3cyclictest9-21ksoftirqd/022:48:470
22911992318,3cyclictest9-21ksoftirqd/021:44:000
22911992316,4cyclictest24340-21sed23:39:030
22911992315,5cyclictest25034-21cut22:08:580
106891230,1ptp4l401ktimersoftd/322:54:003
106891230,1ptp4l401ktimersoftd/321:39:063
22921992216,4cyclictest33-21ksoftirqd/222:03:362
22921992216,3cyclictest33-21ksoftirqd/220:58:482
22921992215,4cyclictest33-21ksoftirqd/223:37:232
22921992215,4cyclictest33-21ksoftirqd/200:59:252
22921992214,3cyclictest21033-21irqrtprio01:14:112
2292199221,18cyclictest15463-21ssh01:09:022
2292199220,3cyclictest2469-21unixbench-2d21:19:132
22911992217,3cyclictest9-21ksoftirqd/021:14:020
22911992217,3cyclictest9-21ksoftirqd/000:23:590
22911992217,3cyclictest9-21ksoftirqd/000:04:050
22911992217,3cyclictest9-21ksoftirqd/000:04:050
22921992116,3cyclictest33-21ksoftirqd/200:15:292
22921992115,3cyclictest33-21ksoftirqd/223:55:052
22921992114,4cyclictest31619-21sh23:46:002
22921992114,3cyclictest2651-21sh22:29:032
22921992113,4cyclictest3941-21gltestperf00:24:042
22921992112,5cyclictest13026-21irqrtprio01:39:082
2292199211,18cyclictest0-21swapper/223:14:122
2292199210,18cyclictest0-21swapper/200:29:172
2292199204,10cyclictest32206-21apt-get22:23:582
22921992014,4cyclictest33-21ksoftirqd/201:19:242
22921992013,4cyclictest33-21ksoftirqd/221:40:322
22921992013,4cyclictest27468-21find21:04:072
22921992013,4cyclictest18041-21/usr/sbin/munin00:39:052
22921992012,4cyclictest30271-21head22:19:032
2292199201,17cyclictest4574-21ssh01:29:432
2292199201,16cyclictest15737-21sed23:29:172
22921992011,6cyclictest15270-21processes02:14:142
22921992010,7cyclictest10631-21cat01:04:022
2292199200,5cyclictest0-21swapper/223:13:072
2292199200,18cyclictest0-21swapper/223:02:112
2292199200,18cyclictest0-21swapper/222:50:312
2292199200,18cyclictest0-21swapper/221:49:102
22911992014,4cyclictest9-21ksoftirqd/022:51:440
2292199191,16cyclictest0-21swapper/223:43:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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