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2026-07-26 - 03:52
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Sun Jul 26, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4186997419,49cyclictest8680-21df18:44:032
4186997317,50cyclictest2901-21kworker/2:122:26:332
4186997019,45cyclictest1488-21ssh20:54:272
4186997016,48cyclictest8098-21cat21:04:082
4186996824,9cyclictest4305-21df_inode18:33:542
4186996824,9cyclictest4305-21df_inode18:33:542
4186996821,41cyclictest4199-21/usr/sbin/munin19:59:072
4186996817,45cyclictest13356-21netstat23:19:072
4186996723,38cyclictest6649-21/usr/sbin/munin18:39:132
4186996722,39cyclictest25226-21taskset22:52:422
4186996722,39cyclictest1412-21/usr/sbin/munin23:03:592
4186996721,40cyclictest30652-21ssh23:42:222
4186996720,41cyclictest21151-21ssh20:38:552
4186996623,37cyclictest10051-21sensors_temp21:49:142
4186996621,12cyclictest25937-21ssh23:35:252
4186996620,40cyclictest6413-21ssh21:02:072
4186996619,40cyclictest378-21/usr/sbin/munin19:49:072
4186996618,43cyclictest16416-21aten_rbpower_cu23:23:572
4186996618,42cyclictest13668-21ssh21:54:132
4186996618,42cyclictest13668-21ssh21:54:132
4186996524,9cyclictest11244-21/usr/sbin/munin22:34:012
4186996523,36cyclictest27689-21/usr/sbin/munin21:29:222
4186996523,36cyclictest2250-21/usr/sbin/munin21:39:102
4186996523,36cyclictest11671-21/usr/sbin/munin20:19:162
4186996522,37cyclictest20457-21/usr/sbin/munin22:03:592
4186996521,38cyclictest23472-21/usr/sbin/munin19:24:072
4186996521,38cyclictest18586-21/usr/sbin/munin22:43:582
4186996521,37cyclictest11727-21iostat_ios21:09:062
4186996521,37cyclictest11727-21iostat_ios21:09:062
4186996520,40cyclictest24939-21ssh21:26:332
4186996520,39cyclictest13312-21ssh00:02:082
4186996520,39cyclictest10884-21ssh23:15:442
4186996519,40cyclictest27222-21ssh22:12:472
4186996422,9cyclictest27228-21/usr/sbin/munin19:34:222
4186996422,36cyclictest18877-21df_inode21:19:002
4186996420,39cyclictest32693-21ssh21:36:572
4186996420,38cyclictest9804-21/usr/sbin/munin20:14:122
4186996420,38cyclictest9804-21/usr/sbin/munin20:14:122
4186996420,38cyclictest25513-21iostat_ios20:44:072
4186996420,38cyclictest22425-21ssh23:31:032
419499632,34cyclictest25083-21sh23:34:123
4186996323,13cyclictest25412-21tr19:29:022
4186996322,35cyclictest29212-21ssh22:58:072
4186996321,36cyclictest31728-21ntp_states19:44:132
4186996321,36cyclictest29600-21iostat_ios19:39:082
4186996321,36cyclictest14933-21/usr/sbin/munin21:13:592
4186996320,38cyclictest5347-21ssh23:51:182
4186996320,37cyclictest17419-21ntp_states21:59:102
4186996320,13cyclictest28970-21grep20:49:032
4186996319,13cyclictest6965-21sh22:28:522
4186996222,34cyclictest7934-21/usr/sbin/munin20:09:072
4186996222,34cyclictest7934-21/usr/sbin/munin20:09:072
4186996222,34cyclictest2322-21/usr/sbin/munin19:54:172
4186996221,36cyclictest32361-21ssh22:19:052
4186996220,37cyclictest7781-21ssh23:12:132
4186996220,36cyclictest7330-21irqstats23:54:042
4186996220,36cyclictest7330-21irqstats23:54:042
4186996220,36cyclictest32198-21ssh23:01:232
4186996220,36cyclictest30715-21ssh22:17:082
4186996219,37cyclictest6068-21/usr/sbin/munin20:04:212
4186996121,9cyclictest1428-21ssh23:46:022
4186996120,36cyclictest17491-21cpu20:34:002
4186996120,36cyclictest16177-21ssh22:39:382
4186996120,36cyclictest16177-21ssh22:39:382
4186996118,37cyclictest6119-21ssh21:44:122
419499574,47cyclictest0-21swapper/320:56:503
31602576,16sleep20-21swapper/218:29:152
31602576,16sleep20-21swapper/218:29:152
419499564,46cyclictest0-21swapper/322:48:183
417799564,46cyclictest0-21swapper/121:57:251
417799564,46cyclictest0-21swapper/121:57:251
419499552,47cyclictest13472-21latency_hist20:23:493
417799554,45cyclictest0-21swapper/121:50:401
417799554,44cyclictest0-21swapper/121:42:271
419499544,43cyclictest0-21swapper/322:15:183
419499536,41cyclictest0-21swapper/323:25:493
419499533,45cyclictest0-21swapper/322:31:193
419499532,45cyclictest6802-21ssh23:53:563
419499532,45cyclictest6802-21ssh23:53:563
417799535,41cyclictest0-21swapper/122:38:161
417799534,44cyclictest0-21swapper/121:15:101
419499524,43cyclictest0-21swapper/321:00:203
419499524,42cyclictest0-21swapper/321:19:003
419499524,41cyclictest0-21swapper/322:23:143
419499523,43cyclictest0-21swapper/321:39:593
417799528,39cyclictest0-21swapper/120:54:121
419499514,9cyclictest0-21swapper/321:28:593
419499514,41cyclictest0-21swapper/322:51:183
419499514,41cyclictest0-21swapper/321:59:293
4194995136,10cyclictest0-21swapper/321:55:393
4194995136,10cyclictest0-21swapper/321:55:393
419499513,12cyclictest0-21swapper/322:57:383
417799514,41cyclictest0-21swapper/120:59:201
419499508,17cyclictest0-21swapper/322:26:213
419499504,41cyclictest0-21swapper/322:10:293
419499504,40cyclictest0-21swapper/323:53:363
4194995034,11cyclictest0-21swapper/320:46:503
419499503,42cyclictest0-21swapper/323:17:173
419499503,40cyclictest0-21swapper/321:48:473
6252493,8sleep30-21swapper/321:37:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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