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2026-07-01 - 17:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rackaslot8.osadl.org (updated Wed Jul 01, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
132462289263,17sleep20-21swapper/207:07:222
132862265235,19sleep00-21swapper/007:07:530
131352264237,18sleep10-21swapper/107:05:571
132262252220,22sleep30-21swapper/307:07:063
302862580,0sleep20-21swapper/211:34:102
144932580,0sleep30-21swapper/311:25:063
251122570,0sleep00-21swapper/011:30:230
194162560,0sleep00-21swapper/008:30:160
167442540,0sleep20-21swapper/212:03:322
98972530,0sleep00-21swapper/009:50:080
70702190,0sleep10-21swapper/111:39:341
210872170,0sleep00-21swapper/010:51:200
13580991513,2cyclictest12-21ksoftirqd/012:30:000
27642140,0sleep20-21swapper/212:32:162
216662140,0sleep00-21swapper/009:19:570
167922140,0sleep00-21swapper/011:45:090
13580991411,2cyclictest12-21ksoftirqd/012:00:010
176002130,0sleep00-21swapper/010:30:530
13580991110,1cyclictest12-21ksoftirqd/011:10:000
1358099109,1cyclictest12-21ksoftirqd/007:35:010
1358099107,2cyclictest12-21ksoftirqd/010:50:010
135839993,5cyclictest27538-21sed10:55:151
135839990,5cyclictest0-21swapper/109:30:281
135809998,1cyclictest12-21ksoftirqd/012:20:010
135809998,1cyclictest12-21ksoftirqd/010:45:010
135809998,1cyclictest12-21ksoftirqd/010:45:010
135809998,1cyclictest12-21ksoftirqd/009:40:000
135809998,1cyclictest12-21ksoftirqd/008:20:010
135809997,2cyclictest12-21ksoftirqd/011:00:010
135809996,2cyclictest12-21ksoftirqd/012:15:010
747280,0sleep30-21swapper/310:21:193
28780280,0sleep20-21swapper/212:28:562
25783280,0sleep20-21swapper/210:17:182
16276280,0sleep10-21swapper/108:25:011
135889986,1cyclictest0-21swapper/211:12:492
135889984,3cyclictest275-21systemd-journal10:08:032
135889983,3cyclictest275-21systemd-journal07:26:282
135839980,7cyclictest0-21swapper/112:30:111
135809987,1cyclictest12-21ksoftirqd/012:40:010
135809987,1cyclictest12-21ksoftirqd/010:25:010
135809987,1cyclictest12-21ksoftirqd/010:00:010
135809987,1cyclictest12-21ksoftirqd/008:30:010
135809986,2cyclictest12-21ksoftirqd/011:55:000
135809986,2cyclictest12-21ksoftirqd/011:05:010
135809986,1cyclictest12-21ksoftirqd/011:10:010
135809985,2cyclictest131rcuc/010:15:120
135809985,2cyclictest12-21ksoftirqd/008:00:010
135809983,3cyclictest275-21systemd-journal10:00:010
135809982,5cyclictest141rcu_preempt11:40:170
135809980,5cyclictest16164-21munin-run08:25:010
26986270,0sleep20-21swapper/210:00:002
20883270,0sleep30-21swapper/311:47:003
135929974,2cyclictest9367-21sshd11:21:353
135929974,2cyclictest12077-21cron10:10:013
135929973,1cyclictest0-21swapper/311:14:033
135929970,7cyclictest0-21swapper/312:39:013
135929970,6cyclictest275-21systemd-journal10:45:013
135929970,6cyclictest275-21systemd-journal10:45:013
135929970,3cyclictest2080-21/usr/sbin/munin09:05:183
135889973,3cyclictest658-21snmpd08:07:322
135889973,3cyclictest658-21snmpd07:53:022
135889973,1cyclictest141rcu_preempt11:15:152
135889973,1cyclictest0-21swapper/210:51:132
135889972,4cyclictest658-21snmpd09:44:362
135889972,3cyclictest275-21systemd-journal09:13:122
135889970,2cyclictest275-21systemd-journal12:23:542
135839974,2cyclictest22-21ksoftirqd/108:35:011
135839974,2cyclictest10663-21sh09:50:151
135839973,3cyclictest3171-21smart_sda11:55:191
135839973,3cyclictest27953-21basename12:10:111
135839973,3cyclictest21123-21expr08:35:141
135839973,3cyclictest18199-21run-parts11:45:181
135839972,3cyclictest275-21systemd-journal09:17:561
135839970,7cyclictest0-21swapper/110:18:071
135839970,1cyclictest141rcu_preempt09:25:121
135809976,1cyclictest12-21ksoftirqd/012:35:010
135809976,1cyclictest12-21ksoftirqd/012:25:000
135809976,1cyclictest12-21ksoftirqd/009:10:000
135809976,1cyclictest12-21ksoftirqd/008:10:000
135809976,1cyclictest12-21ksoftirqd/007:15:000
135809975,2cyclictest12-21ksoftirqd/008:50:010
135809975,1cyclictest131rcuc/007:45:010
135809974,2cyclictest12-21ksoftirqd/011:24:590
135809973,3cyclictest275-21systemd-journal08:04:280
135809971,4cyclictest9425-21apt-get08:10:130
135809970,5cyclictest12-21ksoftirqd/010:39:590
135809970,4cyclictest0-21swapper/012:02:430
12612270,0chrt0-21swapper/312:00:333
135929966,0cyclictest7210-21apt-get08:05:143
135929964,1cyclictest24869-21/usr/sbin/munin09:40:203
135929964,1cyclictest19592-21ntp_states08:30:183
135929963,3cyclictest3905-21kworker/3:209:21:223
135929963,2cyclictest6859-21sh11:01:473
135929963,2cyclictest658-21snmpd08:50:453
135929963,2cyclictest658-21snmpd07:36:583
135929963,2cyclictest32471-21fw_packets11:35:133
135929963,2cyclictest30172-21ssh10:38:383
135929963,2cyclictest275-21systemd-journal08:38:083
135929963,2cyclictest23460-21sh12:25:203
135929963,2cyclictest22583-21ssh12:06:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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