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2026-08-13 - 08:15
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Thu Aug 13, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6432997027,37cyclictest32555-21wc22:49:060
6432996820,41cyclictest13142-21unixbench_singl21:39:380
6432996819,43cyclictest16896-21awk21:44:380
643299679,52cyclictest9481-21ssh20:53:100
6432996621,39cyclictest25732-21/usr/sbin/munin19:14:360
6432996618,42cyclictest572-21gdbus23:15:040
6432996523,36cyclictest28121-21ntp_states20:34:320
6432996521,38cyclictest629-21snmpd22:58:550
6432996521,38cyclictest2701-21irqstats23:34:230
6432996521,38cyclictest23861-21/usr/sbin/munin19:09:300
6432996520,38cyclictest27359-21grep23:24:190
6432996520,11cyclictest14249-21ssh20:59:190
6432996518,13cyclictest0-21swapper/023:19:370
6432996515,44cyclictest0-21swapper/023:09:310
6432996421,37cyclictest10190-21/usr/sbin/munin19:59:330
6432996421,36cyclictest17857-21/usr/sbin/munin20:19:210
6432996419,40cyclictest977-21missed_timers22:49:250
6432996419,39cyclictest785-21ssh22:06:400
6432996419,39cyclictest4784-21uname21:29:230
6432996419,39cyclictest16435-21ssh23:52:440
6432996417,41cyclictest878-21ssh23:32:000
6432996322,35cyclictest13661-21/usr/sbin/munin22:24:360
6432996322,35cyclictest13661-21/usr/sbin/munin22:24:360
6432996321,36cyclictest23737-21irqstats21:54:250
6432996321,36cyclictest1579-21cat21:24:350
6432996320,37cyclictest19083-21unixbench-2d21:04:370
6432996320,37cyclictest19083-21unixbench-2d21:04:370
6432996320,36cyclictest26990-21/usr/sbin/munin21:59:400
6432996319,38cyclictest4302-21ssh20:45:210
6432996319,38cyclictest20317-21processes21:49:310
6432996319,12cyclictest18979-21ssh22:29:510
6432996317,40cyclictest5090-21ssh22:12:450
6432996310,47cyclictest8703-21kworker/0:222:19:010
6432996221,35cyclictest10226-21/usr/sbin/munin20:54:210
6432996220,36cyclictest9950-21/usr/sbin/munin23:44:190
6432996219,37cyclictest30173-21timerandwakeup21:19:360
6432996219,37cyclictest26268-21ssh22:39:370
6432996219,37cyclictest12506-21ssh22:22:150
6432996218,38cyclictest13253-21ssh23:04:540
6432996218,37cyclictest8703-21kworker/0:220:43:320
6432996216,11cyclictest22617-21unixbench_singl22:34:370
6432996215,41cyclictest629-21snmpd21:18:140
6432996122,34cyclictest10046-21ssh23:01:100
6432996120,35cyclictest22679-21ssh20:28:080
6432996118,38cyclictest23154-21latency_hist20:29:090
6432996118,36cyclictest23644-21munin-run19:09:100
6432996118,12cyclictest11287-21ssh21:38:370
6432996021,33cyclictest15798-21/usr/sbin/munin20:14:350
6432996021,33cyclictest15798-21/usr/sbin/munin20:14:350
6432996020,34cyclictest27616-21/usr/sbin/munin19:19:250
6432996018,36cyclictest8494-21df_inode19:54:210
6432996016,38cyclictest8785-21latency_hist18:29:120
6432996016,12cyclictest0-21swapper/021:11:040
6432995919,34cyclictest9065-21df18:29:230
6432995918,35cyclictest7422-21ssh23:39:450
6432995918,35cyclictest7422-21ssh23:39:450
644399564,46cyclictest0-21swapper/222:20:382
601825611,15sleep30-21swapper/318:22:073
645099553,47cyclictest0-21swapper/319:31:303
644399554,45cyclictest0-21swapper/222:38:482
644399554,45cyclictest0-21swapper/222:18:092
644399552,48cyclictest18028-21sshd18:54:092
644399552,48cyclictest18028-21sshd18:54:092
643299554,45cyclictest0-21swapper/019:34:340
6432995519,31cyclictest629-21snmpd20:08:180
6432995513,13cyclictest629-21snmpd20:10:360
644399543,46cyclictest0-21swapper/218:39:212
644399542,46cyclictest11321-21ssh23:44:562
645099534,42cyclictest0-21swapper/322:16:583
644399534,43cyclictest0-21swapper/220:30:312
644399533,45cyclictest0-21swapper/218:44:262
644399532,45cyclictest13715-21df23:49:162
45432539,14sleep10-21swapper/118:19:201
6450995243,5cyclictest37-21ksoftirqd/322:44:053
6450995212,35cyclictest25001-21latency_hist21:14:083
644399525,41cyclictest0-21swapper/222:50:382
6443995243,5cyclictest29-21ksoftirqd/219:54:092
644399524,43cyclictest0-21swapper/220:37:222
644399524,41cyclictest0-21swapper/223:19:142
644399523,44cyclictest0-21swapper/220:48:522
645099514,42cyclictest0-21swapper/322:44:263
645099512,5cyclictest27695-21perl20:34:243
644399514,40cyclictest0-21swapper/223:32:352
644399514,40cyclictest0-21swapper/221:16:432
644399514,40cyclictest0-21swapper/220:50:502
644399513,42cyclictest0-21swapper/221:45:492
644399513,42cyclictest0-21swapper/220:27:172
586625110,35sleep20-21swapper/218:20:172
645099504,40cyclictest0-21swapper/321:32:333
644399508,36cyclictest0-21swapper/221:24:422
6443995041,5cyclictest29-21ksoftirqd/220:59:082
644399504,40cyclictest0-21swapper/222:31:482
644399503,41cyclictest0-21swapper/222:09:242
644399503,41cyclictest0-21swapper/222:01:192
644399502,6cyclictest15864-21ssh21:00:302
6443995014,30cyclictest4887-21sshd23:37:272
643299509,8cyclictest8300-21sed19:54:100
645099499,35cyclictest0-21swapper/320:32:043
645099493,41cyclictest0-21swapper/321:25:193
644399498,35cyclictest0-21swapper/221:14:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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