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2026-06-12 - 06:15
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Fri Jun 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2430321700,3sleep32670299cyclictest23:25:593
1734621610,4sleep32670299cyclictest02:05:473
1091121590,3sleep02668599cyclictest01:58:570
1068911560,5ptp4l401ktimersoftd/320:49:053
2330921540,5sleep02668599cyclictest22:53:040
169821440,5sleep32670299cyclictest00:43:163
143291690,4getstats2670299cyclictest22:31:483
319292670,4sleep1241ktimersoftd/123:01:001
2669099589,13cyclictest19058-21ssh00:27:311
26690995810,12cyclictest925-21cat21:00:471
106891580,1ptp4l401ktimersoftd/323:24:163
106891580,1ptp4l401ktimersoftd/322:58:103
106891580,1ptp4l401ktimersoftd/300:58:493
2669099579,13cyclictest22209-21dpkg23:25:321
106891570,1ptp4l401ktimersoftd/302:03:013
106891570,1ptp4l401ktimersoftd/300:12:033
60642560,1sleep00-21swapper/021:10:550
2669099568,13cyclictest21712-21users01:36:031
106891560,1ptp4l401ktimersoftd/301:10:203
2669099558,13cyclictest9852-21/usr/sbin/munin01:25:451
106891550,1ptp4l401ktimersoftd/301:02:433
106891550,1ptp4l401ktimersoftd/300:22:203
26695995036,7cyclictest33-21ksoftirqd/200:20:452
2669099507,16cyclictest28857-21ssh22:59:081
2669099506,12cyclictest7631-21ssh00:50:081
26690994912,33cyclictest1374-21gltestperf22:10:451
26690994910,12cyclictest20940-21chrt21:42:231
26685994927,13cyclictest19815-21diskmemload00:00:430
2669099466,14cyclictest31394-21ssh23:34:441
2669099458,9cyclictest31320-21snmp_o5powerctl20:55:511
26690994510,18cyclictest10389-21rm01:58:041
26702994434,5cyclictest41-21ksoftirqd/321:05:383
2669099446,14cyclictest15125-21ssh02:02:461
2669099417,9cyclictest20637-21ssh01:02:231
26690994112,17cyclictest23541-21/usr/sbin/munin01:05:511
2444924123,8sleep10-21swapper/120:45:291
106891410,0ptp4l401ktimersoftd/323:09:073
26690994014,8cyclictest21225-21apt-get00:30:451
106891400,2ptp4l22470-21kworker/3:122:00:493
106891400,1ptp4l401ktimersoftd/323:12:373
106891400,1ptp4l401ktimersoftd/323:03:283
106891400,1ptp4l401ktimersoftd/301:54:233
106891400,1ptp4l401ktimersoftd/301:54:233
106891390,1ptp4l401ktimersoftd/323:33:083
106891390,1ptp4l401ktimersoftd/300:35:223
26690993824,6cyclictest13145-21apt-get00:55:451
26690993811,12cyclictest30450-21processes00:05:591
106891380,1ptp4l401ktimersoftd/323:52:283
106891380,1ptp4l401ktimersoftd/323:41:063
106891380,1ptp4l401ktimersoftd/322:51:023
106891380,1ptp4l401ktimersoftd/302:14:503
106891380,1ptp4l401ktimersoftd/301:31:453
106891380,1ptp4l401ktimersoftd/301:24:553
106891380,1ptp4l401ktimersoftd/301:18:203
106891380,1ptp4l401ktimersoftd/300:28:323
106891380,1ptp4l22470-21kworker/3:122:29:433
2669099379,13cyclictest6893-21ssh23:41:331
26690993710,11cyclictest26693-21apt-get02:15:361
26685993712,14cyclictest46950irq/100-ens3-Tx00:55:450
106891370,4ptp4l401ktimersoftd/300:49:103
106891370,1ptp4l401ktimersoftd/323:56:293
106891370,1ptp4l401ktimersoftd/302:16:393
106891370,1ptp4l401ktimersoftd/301:47:253
106891370,1ptp4l401ktimersoftd/301:26:573
106891370,1ptp4l401ktimersoftd/301:14:333
106891370,1ptp4l401ktimersoftd/300:51:533
106891370,1ptp4l401ktimersoftd/300:15:373
106891370,1ptp4l401ktimersoftd/300:15:373
106891370,1ptp4l401ktimersoftd/300:04:313
106891370,11ptp4l401ktimersoftd/301:39:063
106891370,0ptp4l401ktimersoftd/322:10:463
7262360,3sleep12669099cyclictest01:15:501
2669099369,14cyclictest3552-21df22:15:421
2669099368,14cyclictest13833-21ssh00:22:141
26690993621,10cyclictest12393-21apt-get23:15:431
26690993610,11cyclictest31365-21python01:45:581
106891360,1ptp4l401ktimersoftd/301:59:323
106891360,0ptp4l401ktimersoftd/320:50:573
26695993520,7cyclictest33-21ksoftirqd/200:25:452
2669099355,19cyclictest0-21swapper/121:45:511
2669099355,19cyclictest0-21swapper/121:05:491
26690993520,9cyclictest24210-21apt-get00:00:431
106891350,2ptp4l8545-21kworker/3:223:47:163
106891350,1ptp4l401ktimersoftd/301:45:143
26695993429,3cyclictest33-21ksoftirqd/221:40:292
26695993428,3cyclictest33-21ksoftirqd/223:25:312
26695993428,3cyclictest33-21ksoftirqd/201:20:492
26695993428,3cyclictest33-21ksoftirqd/200:15:322
26695993428,3cyclictest33-21ksoftirqd/200:00:312
2669099349,9cyclictest19815-21diskmemload01:20:521
2669099348,14cyclictest12170-21ssh00:54:341
2669099348,12cyclictest21101-21sh23:56:011
26690993421,6cyclictest2515-21apt-get01:50:461
26690993421,6cyclictest2515-21apt-get01:50:461
26690993419,9cyclictest17141-21apt-get02:05:451
26690993411,19cyclictest14662-21ls21:30:441
26690993410,9cyclictest7820-21smart_sda00:15:551
26690993410,9cyclictest7820-21smart_sda00:15:551
200332340,2sleep20-21swapper/202:07:502
106891340,2ptp4l22470-21kworker/3:122:40:563
26695993327,3cyclictest33-21ksoftirqd/202:10:532
2669099339,8cyclictest31380-21perl00:40:481
2669099339,8cyclictest27634-21ssh01:10:401
2669099335,12cyclictest0-21swapper/121:50:481
26690993313,17cyclictest13144-21chrt21:25:531
106891330,1ptp4l401ktimersoftd/322:36:213
106891330,1ptp4l401ktimersoftd/321:34:303
106891330,1ptp4l401ktimersoftd/300:07:203
26695993226,3cyclictest33-21ksoftirqd/222:50:442
26695993226,3cyclictest33-21ksoftirqd/221:25:282
26695993220,6cyclictest33-21ksoftirqd/200:15:442
26695993220,6cyclictest33-21ksoftirqd/200:15:442
2669099325,11cyclictest0-21swapper/122:25:491
26690993222,5cyclictest5690-21apt-get22:20:401
26690993219,8cyclictest2600-21ssh23:05:431
26690993213,15cyclictest8915-21python23:10:531
2668599325,15cyclictest22440-21ssh23:25:400
250722326,13sleep20-21swapper/220:45:462
106891320,1ptp4l22470-21kworker/3:121:50:533
106891320,0ptp4l401ktimersoftd/300:37:173
2669599314,3cyclictest121rcu_preempt23:40:532
26695993126,3cyclictest33-21ksoftirqd/222:35:472
26695993125,3cyclictest33-21ksoftirqd/201:35:342
26695993124,4cyclictest33-21ksoftirqd/201:25:472
26695993119,6cyclictest33-21ksoftirqd/201:41:312
2669099319,8cyclictest3126-21ssh23:38:291
2669099319,8cyclictest18877-21ssh01:34:331
2669099318,10cyclictest24788-21apt-get01:40:451
2669099315,12cyclictest0-21swapper/122:35:571
26690993119,7cyclictest9607-21apt-get23:45:441
26690993114,13cyclictest29014-21latency_hist20:55:281
26685993124,4cyclictest12614-21cut02:00:490
106891310,1ptp4l401ktimersoftd/322:17:043
106891310,1ptp4l401ktimersoftd/321:17:503
106891310,1ptp4l22470-21kworker/3:122:09:353
106891310,0ptp4l401ktimersoftd/323:17:083
106891310,0ptp4l401ktimersoftd/321:58:473
321982300,1sleep00-21swapper/000:08:120
26695993024,3cyclictest33-21ksoftirqd/223:10:312
26695993024,3cyclictest33-21ksoftirqd/201:00:332
2669599301,3cyclictest121rcu_preempt23:00:592
26690993020,6cyclictest26093-21apt-get00:35:451
227932300,3sleep20-21swapper/201:05:432
106891300,1ptp4l401ktimersoftd/321:12:553
106891300,0ptp4l401ktimersoftd/320:57:203
26695992925,2cyclictest33-21ksoftirqd/202:00:522
26695992924,3cyclictest33-21ksoftirqd/201:15:342
26695992923,3cyclictest33-21ksoftirqd/222:00:572
26695992923,3cyclictest33-21ksoftirqd/220:50:462
26695992923,3cyclictest33-21ksoftirqd/200:30:512
26695992918,8cyclictest33-21ksoftirqd/223:25:412
26690992913,13cyclictest25471-21ssh02:13:291
2640022910,9sleep00-21swapper/020:48:020
106891290,1ptp4l401ktimersoftd/321:40:133
26702992821,4cyclictest41-21ksoftirqd/321:25:353
26702992812,12cyclictest20006-21sh22:50:303
26695992823,3cyclictest33-21ksoftirqd/222:56:002
26695992823,3cyclictest33-21ksoftirqd/221:25:472
26695992823,3cyclictest33-21ksoftirqd/221:15:462
26695992823,3cyclictest33-21ksoftirqd/221:05:432
26695992823,3cyclictest33-21ksoftirqd/202:15:552
26695992823,3cyclictest33-21ksoftirqd/201:40:332
26695992823,3cyclictest33-21ksoftirqd/201:00:512
26695992823,3cyclictest33-21ksoftirqd/200:55:332
26695992822,3cyclictest33-21ksoftirqd/222:50:302
26695992822,3cyclictest33-21ksoftirqd/221:00:462
26695992822,3cyclictest33-21ksoftirqd/200:50:332
26695992822,3cyclictest33-21ksoftirqd/200:00:442
26695992815,10cyclictest321ktimersoftd/222:40:582
26690992817,7cyclictest9798-21fschecks_time21:20:441
26690992814,10cyclictest0-21swapper/123:20:421
26690992813,10cyclictest0-21swapper/121:15:391
26690992811,14cyclictest3988-21rm00:12:041
26702992720,4cyclictest41-21ksoftirqd/321:42:133
26695992722,3cyclictest33-21ksoftirqd/221:40:292
26695992722,3cyclictest33-21ksoftirqd/201:15:492
26695992721,3cyclictest33-21ksoftirqd/223:15:502
26695992721,3cyclictest33-21ksoftirqd/221:55:472
26695992721,3cyclictest33-21ksoftirqd/220:55:442
26695992721,3cyclictest33-21ksoftirqd/201:56:022
26695992721,3cyclictest33-21ksoftirqd/200:40:242
26695992715,5cyclictest33-21ksoftirqd/221:45:412
26695992711,3cyclictest33-21ksoftirqd/201:49:052
26690992717,7cyclictest12493-21awk22:35:291
26690992716,8cyclictest18652-21apt-key21:40:291
26690992716,8cyclictest15159-21sed23:50:491
26695992621,3cyclictest33-21ksoftirqd/200:40:512
26695992620,3cyclictest33-21ksoftirqd/223:40:312
26695992620,3cyclictest33-21ksoftirqd/222:25:292
26695992620,3cyclictest33-21ksoftirqd/221:30:452
26695992620,3cyclictest33-21ksoftirqd/201:50:472
26695992620,3cyclictest33-21ksoftirqd/201:50:472
26695992620,3cyclictest33-21ksoftirqd/200:10:312
26690992615,8cyclictest19377-21grep22:45:561
26690992615,8cyclictest16408-21ptp4l22:40:511
26690992614,9cyclictest5572-21sed21:10:471
26690992614,9cyclictest20571-21/usr/sbin/munin22:50:461
26690992613,10cyclictest29033-21grep22:00:441
26690992610,13cyclictest28350-21grep22:00:281
26685992621,3cyclictest9-21ksoftirqd/001:05:330
26685992620,3cyclictest9-21ksoftirqd/000:37:070
26685992619,4cyclictest9-21ksoftirqd/022:14:140
106891260,1ptp4l401ktimersoftd/321:49:143
106891260,1ptp4l401ktimersoftd/321:24:383
26695992520,3cyclictest33-21ksoftirqd/223:50:512
26695992519,3cyclictest33-21ksoftirqd/222:15:472
26695992519,3cyclictest33-21ksoftirqd/221:50:572
26695992518,4cyclictest33-21ksoftirqd/222:33:272
26695992518,4cyclictest33-21ksoftirqd/222:13:282
2669599251,6cyclictest121rcu_preempt23:10:472
2669599250,3cyclictest121rcu_preempt22:05:382
26690992513,8cyclictest31100-21cut22:05:411
26685992520,3cyclictest9-21ksoftirqd/002:10:530
26685992520,3cyclictest9-21ksoftirqd/001:36:030
26685992519,3cyclictest9-21ksoftirqd/000:51:200
26685992518,4cyclictest9-21ksoftirqd/022:50:150
26685992518,4cyclictest9-21ksoftirqd/022:39:590
106891250,1ptp4l401ktimersoftd/323:35:433
106891250,1ptp4l401ktimersoftd/322:20:513
106891250,10ptp4l401ktimersoftd/321:05:203
26685992420,3cyclictest9-21ksoftirqd/002:16:000
26685992419,3cyclictest9-21ksoftirqd/000:25:360
26685992418,3cyclictest9-21ksoftirqd/021:39:540
26685992418,3cyclictest9-21ksoftirqd/021:35:240
26685992417,4cyclictest9-21ksoftirqd/023:23:520
26685992417,4cyclictest9-21ksoftirqd/021:48:410
26685992417,4cyclictest9-21ksoftirqd/021:45:120
26685992417,4cyclictest7360-21grep22:20:570
26695992318,3cyclictest33-21ksoftirqd/223:45:462
26695992318,3cyclictest33-21ksoftirqd/222:25:482
26695992318,3cyclictest33-21ksoftirqd/221:10:432
2668599232,18cyclictest29581-21head01:11:030
26685992318,3cyclictest9-21ksoftirqd/022:25:470
26685992317,3cyclictest9-21ksoftirqd/022:17:070
26685992317,3cyclictest9-21ksoftirqd/021:02:260
26685992317,3cyclictest9-21ksoftirqd/001:28:060
26685992316,4cyclictest9-21ksoftirqd/022:57:060
26685992316,4cyclictest9-21ksoftirqd/022:33:090
26685992316,4cyclictest9-21ksoftirqd/021:54:190
2669599229,10cyclictest28630-21processes23:30:522
26685992216,3cyclictest9-21ksoftirqd/020:52:580
26685992215,4cyclictest9732-21tr23:45:440
26685992215,4cyclictest9-21ksoftirqd/022:03:220
26685992214,5cyclictest26597-21fschecks_time21:55:440
26685992213,6cyclictest18280-21sh01:33:320
2668599220,19cyclictest3515-21cpuspeed_turbos00:45:450
26685992116,3cyclictest9-21ksoftirqd/001:50:490
26685992116,3cyclictest9-21ksoftirqd/001:50:490
26685992115,4cyclictest9-21ksoftirqd/021:27:530
2668599211,4cyclictest7331-21irqstats00:15:510
2668599211,4cyclictest7331-21irqstats00:15:510
26685992114,4cyclictest9-21ksoftirqd/021:15:330
26685992114,4cyclictest9-21ksoftirqd/000:23:580
26685992114,4cyclictest6904-21head01:21:050
26685992114,4cyclictest21639-21cut00:30:490
26685992114,4cyclictest15310-21grep22:40:420
26685992113,5cyclictest18103-21kernelversion02:05:530
26685992112,6cyclictest46950irq/100-ens3-Tx01:45:470
26685992014,3cyclictest5051-21fschecks_count23:40:470
26685992014,3cyclictest32711-21grep23:35:460
26685992014,3cyclictest24708-21acpi01:40:450
26685992014,3cyclictest2237-21acpi21:05:370
26685992013,4cyclictest32040-21cron21:00:270
26685992013,4cyclictest27799-21fschecks_time23:30:460
2668599200,4cyclictest6670-21ssh23:09:490
2668599199,6cyclictest46950irq/100-ens3-Tx23:00:420
26685991913,3cyclictest9595-21cat21:20:410
26685991913,3cyclictest9519-21sh23:11:190
26685991913,3cyclictest429-21df_inode01:15:480
26685991913,3cyclictest18928-21latency_hist23:55:310
26685991912,4cyclictest31971-21cut22:05:470
26685991912,4cyclictest31158-21cstates00:40:450
26685991912,4cyclictest2803-21processes00:10:550
26685991912,4cyclictest19815-21diskmemload23:59:320
26685991912,4cyclictest19815-21diskmemload01:09:300
26685991812,3cyclictest19815-21diskmemload23:16:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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