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2026-04-20 - 20:44
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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 Mon Apr 20, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246092313287,17sleep20-21swapper/207:05:582
248982311279,22sleep10-21swapper/107:09:351
245972262232,20sleep00-21swapper/007:05:490
248902258231,18sleep30-21swapper/307:09:293
83552640,0sleep20-21swapper/212:21:432
22292630,0sleep0131rcuc/011:00:090
92202590,0sleep00-21swapper/009:45:180
24992590,0sleep10-21swapper/109:40:491
98782560,0sleep00-21swapper/010:25:130
309922560,0sleep20-21swapper/211:17:142
58422550,0sleep228-21ksoftirqd/211:41:032
292592540,0sleep20-21swapper/209:37:492
289482210,0sleep30-21swapper/309:18:013
314792160,0sleep00-21swapper/010:57:540
2504999150,12cyclictest30569-21sh10:37:311
2504599150,11cyclictest23965-21ssh10:14:090
189262150,0sleep30-21swapper/311:10:133
2504599142,9cyclictest0-21swapper/010:48:340
2504599140,10cyclictest5754-21ssh12:00:370
2504599140,10cyclictest19383-21ssh12:28:530
2504599131,9cyclictest19304-21grep08:05:170
2504599130,9cyclictest7888-21ssh11:23:020
2504599130,9cyclictest28071-21ssh10:35:360
2504599130,9cyclictest27895-21ssh12:14:350
2504599130,10cyclictest7764-21ssh09:25:090
2504599130,10cyclictest3884-21awk07:30:210
2504599130,10cyclictest3749-21ssh10:20:500
2504599130,10cyclictest32203-21ssh11:18:100
2504599130,10cyclictest31741-21ssh12:16:100
2504599130,10cyclictest31189-21ssh11:36:580
2504599130,10cyclictest29796-21ssh10:17:170
2504599130,10cyclictest27938-21ssh09:36:490
2504599130,10cyclictest2719-21ssh12:38:200
2504599130,10cyclictest26258-21gzip08:20:180
2504599130,10cyclictest25369-21ssh12:32:070
2504599130,10cyclictest24669-21ssh10:34:210
2504599130,10cyclictest24192-21ssh10:53:350
2504599130,10cyclictest1474-21find07:25:190
2504599130,10cyclictest12521-21ssh11:05:320
2504599122,8cyclictest658-21snmpd09:43:100
2504599120,9cyclictest31848-21ssh09:20:040
2504599120,9cyclictest31600-21ssh11:56:520
2504599120,9cyclictest3089-21ssh11:40:090
2504599120,9cyclictest2639-21ssh10:00:340
2504599120,9cyclictest25805-21ssh09:15:330
2504599120,9cyclictest23667-21ssh11:32:320
2504599120,9cyclictest21579-21ssh11:11:110
2504599120,9cyclictest21501-21ssh11:50:280
2504599120,9cyclictest20267-21ssh09:12:400
2504599120,9cyclictest18377-21ssh09:50:240
2504599120,9cyclictest18142-21ssh09:30:360
2504599120,9cyclictest14567-21ssh12:05:500
2504599120,9cyclictest13927-21chrt07:55:060
2504599120,9cyclictest11413-21chrt10:05:590
2504599120,9cyclictest11284-21ssh11:45:080
2504599120,9cyclictest10634-21ssh11:25:010
2504599120,7cyclictest6389-21ssh10:42:310
2504599120,6cyclictest15006-21diskmemload09:56:070
2504599120,10cyclictest9176-21ssh12:22:210
2504999113,5cyclictest658-21snmpd08:14:321
2504999110,3cyclictest28055-21ssh09:56:321
2504999110,2cyclictest6185-21ssh10:42:211
2504999110,2cyclictest23257-21ssh09:14:591
2504999110,2cyclictest15437-21ssh11:47:081
2504999110,2cyclictest12541-21unixbench_singl11:25:191
2504999110,1cyclictest4529-21sensors_temp11:40:191
2504999110,1cyclictest0-21swapper/110:28:311
2504599110,9cyclictest663-21runrttasks09:05:280
2504599110,8cyclictest2266-21basename08:40:160
2504599110,7cyclictest32761-21ntpq08:35:190
2504599110,7cyclictest30453-21cpuspeed_turbos07:20:120
155752110,0sleep20-21swapper/211:27:382
2504999102,2cyclictest275-21systemd-journal08:25:001
2504999100,3cyclictest26894-21ssh11:54:391
2504999100,3cyclictest24303-21apt09:55:011
2504999100,3cyclictest2145-21cron07:30:001
2504999100,2cyclictest9533-21ssh12:22:381
2504999100,2cyclictest4863-21sh10:21:431
2504999100,2cyclictest22858-21/usr/sbin/munin08:15:151
2504999100,2cyclictest22704-21ssh11:12:091
2504999100,2cyclictest13658-21ssh09:48:081
2504999100,1cyclictest9571-21date08:55:201
2504999100,1cyclictest31380-21ssh11:37:071
2504999100,1cyclictest16030-21ssh09:30:101
2504999100,1cyclictest14568-21ssh12:05:501
2504599100,9cyclictest0-21swapper/007:10:110
2504599100,8cyclictest11713-21/usr/sbin/munin07:50:150
2504599100,7cyclictest5561-21taskset08:47:090
2504599100,7cyclictest29554-21chrt08:30:050
2504599100,6cyclictest5543-21netstat07:35:170
2504599100,6cyclictest20629-21/usr/sbin/munin08:10:150
2504599100,6cyclictest12000-21run-parts09:00:150
2504599100,6cyclictest11002-21sshd07:48:130
2504599100,5cyclictest0-21swapper/008:55:180
250499993,3cyclictest275-21systemd-journal08:40:121
250499992,3cyclictest658-21snmpd11:07:171
250499992,2cyclictest658-21snmpd10:10:081
250499992,2cyclictest10133-21gzip10:05:201
250499991,3cyclictest927-21grep08:35:211
250499990,3cyclictest9551-21users09:25:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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