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2026-07-14 - 18:45
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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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Tue Jul 14, 2026 12:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2157992927,1cyclictest0-21swapper/008:30:180
215899258,2cyclictest3981-21H222:10:211
215899250,24cyclictest0-21swapper/111:54:101
215899250,24cyclictest0-21swapper/109:30:061
215899240,0cyclictest0-21swapper/112:13:451
215799240,22cyclictest0-21swapper/010:41:500
215899230,8cyclictest0-21swapper/109:15:151
215899230,5cyclictest0-21swapper/112:26:431
215899230,5cyclictest0-21swapper/109:05:011
215899230,22cyclictest0-21swapper/107:57:411
215899220,20cyclictest870-21systemd-logind09:48:511
215799220,4cyclictest0-21swapper/012:05:000
215799220,21cyclictest0-21swapper/012:34:200
215799220,18cyclictest0-21swapper/010:31:560
2162992118,2cyclictest17946-21sh10:30:012
215899214,3cyclictest0-21swapper/110:37:591
215899214,2cyclictest3976-21H222:10:211
215899211,17cyclictest4023-21PluginScanner10:07:061
215899210,3cyclictest0-21swapper/112:34:211
2157992121,0cyclictest0-21swapper/012:05:360
2157992121,0cyclictest0-21swapper/009:30:070
215799210,3cyclictest0-21swapper/011:08:260
2162992011,5cyclictest0-21swapper/207:26:172
216299200,19cyclictest399-20systemd-journal07:57:142
215899203,16cyclictest31303-21cstates09:55:151
215899202,3cyclictest0-21swapper/108:46:501
215899202,1cyclictest0-21swapper/111:35:101
2158992010,10cyclictest0-21swapper/112:20:541
215899200,19cyclictest15639-21chrt09:25:231
2157992016,3cyclictest0-21swapper/011:34:280
2157992014,4cyclictest14190-21grep08:25:190
2162991919,0cyclictest0-21swapper/208:45:162
2162991917,1cyclictest0-21swapper/211:31:262
2162991916,2cyclictest28-21ksoftirqd/211:40:552
216299190,2cyclictest4035-21H222:10:212
216299190,16cyclictest3991-21H222:10:212
215899192,2cyclictest14750-21cut11:20:161
215899192,16cyclictest0-21swapper/107:24:561
2158991916,2cyclictest32542-21expr10:55:161
215899190,18cyclictest3981-21H222:10:211
215899190,18cyclictest3981-21H222:10:211
215899190,18cyclictest0-21swapper/107:50:151
215899190,16cyclictest3987-21H222:10:211
215899190,16cyclictest3976-21H222:10:211
215799192,2cyclictest22563-21processes10:35:200
215799192,2cyclictest13205-21chrt07:28:430
215799192,16cyclictest3398-21timerandwakeup10:00:220
215799192,16cyclictest0-21swapper/011:59:180
215799192,16cyclictest0-21swapper/009:46:400
2157991917,1cyclictest4913-21df08:10:130
2157991917,1cyclictest0-21swapper/007:35:150
2157991916,2cyclictest0-21swapper/010:54:090
2157991914,4cyclictest1927-21if_enp1s008:05:160
215799191,16cyclictest4158-21grep11:00:180
215799190,4cyclictest22151-21python309:40:000
215799190,4cyclictest22151-21python309:40:000
215799190,1cyclictest0-21swapper/012:24:420
215799190,16cyclictest3987-21H222:10:210
215799190,16cyclictest3987-21H222:10:210
216299182,15cyclictest0-21swapper/208:15:152
2162991816,1cyclictest0-21swapper/209:30:132
2162991816,1cyclictest0-21swapper/207:39:212
2162991815,2cyclictest20971-21nvmesmart_nvme009:35:202
2162991815,2cyclictest20971-21nvmesmart_nvme009:35:192
216299181,1cyclictest0-21swapper/208:40:192
216299181,16cyclictest17440-21cut11:25:142
216299180,3cyclictest12759-21run-parts08:25:022
216299180,2cyclictest3985-21H222:10:212
216299180,2cyclictest3983-21H222:10:212
216299180,1cyclictest0-21swapper/208:05:022
216299180,17cyclictest843-21systemd-network09:02:432
216299180,17cyclictest25654-21cpuspeed_turbos09:45:122
216299180,17cyclictest0-21swapper/210:20:132
216299180,16cyclictest4099-21H222:10:212
216299180,16cyclictest4099-21H222:10:212
216299180,16cyclictest3979-21H222:10:212
216299180,15cyclictest3991-21H222:10:212
215899182,1cyclictest30392-21latency10:50:181
215899182,1cyclictest0-21swapper/111:15:541
215899182,1cyclictest0-21swapper/108:09:251
215899182,15cyclictest0-21swapper/110:41:181
215899182,15cyclictest0-21swapper/110:34:071
2158991813,2cyclictest3979-21H222:10:211
215899181,2cyclictest29641-21expr08:55:131
215899180,3cyclictest5492-21ls12:00:181
215899180,3cyclictest23559-21munin-run08:45:001
215899180,17cyclictest843-21systemd-network08:13:141
215899180,17cyclictest3981-21H222:10:211
215899180,17cyclictest23647-21find07:45:211
215899180,16cyclictest843-21systemd-network11:30:091
215899180,16cyclictest4035-21H222:10:211
215899180,16cyclictest4035-21H222:10:211
215899180,15cyclictest4099-21H222:10:211
215799183,1cyclictest0-21swapper/012:27:460
215799182,15cyclictest8538-21cstates07:20:140
215799182,15cyclictest31056-21cat08:00:150
215799182,15cyclictest23629-21sed07:45:220
215799182,15cyclictest0-21swapper/007:14:070
2157991817,1cyclictest0-21swapper/011:10:180
2157991816,1cyclictest0-21swapper/011:17:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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