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2026-06-28 - 20:24
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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 highest latencies:
System rackdslot0.osadl.org (updated Sun Jun 28, 2026 12:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2781299258,16cyclictest11788-21grep08:35:012
27811992422,2cyclictest0-21swapper/110:39:581
27811992414,0cyclictest0-21swapper/111:04:101
2781099248,2cyclictest4099-21H222:10:210
2781299230,5cyclictest0-21swapper/211:57:452
27811992319,0cyclictest0-21swapper/110:34:181
27811992313,0cyclictest0-21swapper/111:09:521
2781199230,5cyclictest0-21swapper/109:38:171
27810992314,5cyclictest0-21swapper/009:01:140
27812992213,0cyclictest0-21swapper/211:33:432
27811992220,0cyclictest0-21swapper/109:43:451
27811992213,0cyclictest0-21swapper/109:02:221
27811992212,10cyclictest0-21swapper/108:10:181
27811992211,0cyclictest0-21swapper/108:31:361
27812992119,1cyclictest21989-21ntp_kernel_pll_08:50:172
27812992119,1cyclictest21989-21ntp_kernel_pll_08:50:162
27812992112,0cyclictest0-21swapper/208:18:582
27812992111,9cyclictest0-21swapper/209:06:382
2781299210,20cyclictest1274-21runrttasks10:50:272
2781199219,1cyclictest0-21swapper/111:30:231
2781199215,1cyclictest0-21swapper/108:47:001
27811992120,0cyclictest0-21swapper/110:58:261
27811992120,0cyclictest0-21swapper/110:14:261
27811992119,0cyclictest0-21swapper/111:17:591
27811992119,0cyclictest0-21swapper/111:13:401
27811992119,0cyclictest0-21swapper/110:47:321
2781199210,18cyclictest13233-21grep12:25:151
2781299206,13cyclictest0-21swapper/210:49:032
27812992018,1cyclictest0-21swapper/209:51:152
2781199203,16cyclictest993-21dbus-daemon12:00:211
27811992019,0cyclictest0-21swapper/110:16:491
27811992018,2cyclictest25645-21kworker/1:208:28:121
27811992018,2cyclictest0-21swapper/110:22:311
27811992010,10cyclictest0-21swapper/108:02:371
27811992010,10cyclictest0-21swapper/108:02:371
27810992011,0cyclictest0-21swapper/011:33:420
27810992010,1cyclictest0-21swapper/008:18:580
2781099200,19cyclictest0-21swapper/009:55:010
2781299191,15cyclictest0-21swapper/210:40:392
2781299190,2cyclictest3989-21H222:10:212
2781299190,16cyclictest3987-21H222:10:212
2781299190,16cyclictest3987-21H222:10:212
2781299190,16cyclictest3976-21H222:10:212
2781299190,16cyclictest3976-21H222:10:212
2781199199,10cyclictest21-21ksoftirqd/111:24:101
2781199198,11cyclictest0-21swapper/110:43:471
27811991918,0cyclictest0-21swapper/110:00:431
27811991917,1cyclictest27220-21perf10:00:001
27811991916,2cyclictest18149-21cron07:50:021
27811991916,2cyclictest17900-21latency11:35:161
27811991913,6cyclictest0-21swapper/108:41:531
2781199190,2cyclictest3976-21H222:10:211
2781199190,18cyclictest3985-21H222:10:211
2781099199,10cyclictest0-21swapper/009:06:380
2781099192,1cyclictest0-21swapper/009:25:200
27810991916,2cyclictest3981-21H222:10:210
27810991914,2cyclictest4099-21H222:10:210
27810991914,1cyclictest0-21swapper/012:14:490
2781099191,17cyclictest0-21swapper/007:50:010
27810991911,4cyclictest0-21swapper/012:23:060
2781099190,5cyclictest0-21swapper/008:09:430
2781099190,18cyclictest3991-21H222:10:210
2781099190,16cyclictest3985-21H222:10:210
2781099190,16cyclictest3979-21H222:10:210
2781099190,16cyclictest3979-21H222:10:210
2781099190,16cyclictest3976-21H222:10:210
2781299182,1cyclictest0-21swapper/208:38:582
27812991818,0cyclictest0-21swapper/212:35:382
27812991816,1cyclictest3954-21VM22:10:212
27812991816,1cyclictest31622-21cat12:00:162
27812991816,1cyclictest0-21swapper/209:29:292
27812991815,2cyclictest4099-21H222:10:212
27812991815,2cyclictest3985-21H222:10:212
27812991815,2cyclictest24261-21uname08:55:182
27812991815,2cyclictest1452-21taskset09:11:562
27812991815,2cyclictest0-21swapper/210:06:482
27812991814,3cyclictest3987-21H222:10:212
27812991814,3cyclictest0-21swapper/208:15:022
27812991813,4cyclictest3981-21H222:10:212
2781299181,16cyclictest3976-21H222:10:212
2781299180,3cyclictest3991-21H222:10:212
2781299180,2cyclictest4099-21H222:10:212
2781299180,2cyclictest3989-21H222:10:212
2781299180,2cyclictest3989-21H222:10:212
2781299180,2cyclictest2872-21systemd-logind11:16:512
2781299180,17cyclictest3987-21H222:10:212
2781299180,16cyclictest3987-21H222:10:212
2781299180,15cyclictest4099-21H222:10:212
2781199189,9cyclictest17227-21kworker/1:009:47:321
2781199188,1cyclictest0-21swapper/109:31:481
2781199188,10cyclictest0-21swapper/108:56:121
2781199187,1cyclictest0-21swapper/108:18:591
27811991815,2cyclictest3979-21H222:10:211
27811991814,3cyclictest4099-21H222:10:211
27811991813,2cyclictest3983-21H222:10:211
2781199180,3cyclictest1829-21systemd-journal11:53:301
2781199180,2cyclictest3991-21H222:10:211
2781199180,2cyclictest3991-21H222:10:211
2781199180,2cyclictest3983-21H222:10:211
2781199180,17cyclictest9358-21nvmesmart_nvme009:25:191
2781199180,17cyclictest3976-21H222:10:211
2781099182,15cyclictest9-21ksoftirqd/010:12:040
27810991816,2cyclictest26616-21tlsmgr10:44:160
27810991816,1cyclictest9-21ksoftirqd/007:36:300
27810991816,1cyclictest9-21ksoftirqd/007:36:290
27810991816,1cyclictest0-21swapper/010:50:130
27810991814,3cyclictest0-21swapper/009:20:140
27810991813,4cyclictest870-21systemd-logind08:26:510
2781099180,17cyclictest4099-21H222:10:210
2781099180,17cyclictest4099-21H222:10:210
2781099180,17cyclictest3976-21H222:10:210
2781099180,17cyclictest0-21swapper/008:10:190
2781099180,16cyclictest3983-21H222:10:210
2781099180,15cyclictest3979-21H222:10:210
2781299172,1cyclictest28-21ksoftirqd/208:06:212
27812991714,2cyclictest9468-21/usr/sbin/munin10:25:222
27812991714,2cyclictest6261-21memory09:20:152
27812991714,2cyclictest3987-21H222:10:212
27812991714,2cyclictest16667-21cut12:30:142
27812991714,2cyclictest13976-21df_inode09:35:142
27812991714,2cyclictest11599-21/usr/sbin/munin11:25:142
2781299170,2cyclictest7194-21egrep12:15:122
2781299170,2cyclictest5714-21switchtime10:15:212
2781299170,2cyclictest4718-21expr12:10:132
2781299170,2cyclictest2477-21/usr/sbin/munin11:10:162
2781299170,2cyclictest1884-21cron11:09:002
2781299170,16cyclictest9882-21apache_accesses12:20:102
2781299170,16cyclictest7650-21cpuspeed_turbos07:30:142
2781299170,16cyclictest3983-21H222:10:212
2781299170,16cyclictest3981-21H222:10:212
2781299170,16cyclictest3769-21expr08:20:132
2781299170,16cyclictest3055-21/usr/sbin/munin09:15:162
2781299170,16cyclictest3055-21/usr/sbin/munin09:15:162
2781299170,16cyclictest26253-21cpuspeed_turbos10:55:102
2781299170,16cyclictest26095-21if_enp1s011:50:132
2781299170,16cyclictest26071-21/usr/sbin/munin09:00:132
2781299170,16cyclictest19967-21cpuspeed_turbos11:40:122
2781299170,16cyclictest18576-21apache_accesses07:50:102
2781299170,16cyclictest17823-21pzem_current09:40:192
2781299170,16cyclictest12182-21cron12:29:552
2781299170,16cyclictest1100-21snmpd09:45:502
2781299170,16cyclictest0-21swapper/211:21:462
2781299170,15cyclictest3981-21H222:10:212
27811991715,2cyclictest0-21swapper/112:20:071
27811991714,2cyclictest629-21bounce07:18:461
27811991714,2cyclictest14545-21snapd11:27:571
2781199170,3cyclictest0-21swapper/108:09:421
2781199170,2cyclictest4099-21H222:10:211
2781199170,2cyclictest4099-21H222:10:211
2781199170,2cyclictest4099-21H222:10:211
2781199170,2cyclictest3991-21H222:10:211
2781199170,2cyclictest3989-21H222:10:211
2781199170,2cyclictest3976-21H222:10:211
2781199170,2cyclictest21934-21fschecks_count07:55:141
2781199170,2cyclictest14424-21expr07:40:181
2781199170,16cyclictest9463-21perf12:20:001
2781199170,16cyclictest4099-21H222:10:211
2781199170,16cyclictest399-20systemd-journal09:20:011
2781199170,16cyclictest399-20systemd-journal09:20:001
2781199170,16cyclictest3991-21H222:10:211
2781199170,16cyclictest3976-21H222:10:211
2781199170,16cyclictest3976-21H222:10:211
2781199170,16cyclictest31123-21idleruntime10:05:151
2781199170,16cyclictest3053-21systemd-logind12:36:511
27810991714,2cyclictest3987-21H222:10:210
27810991714,2cyclictest3981-21H222:10:210
27810991714,2cyclictest20870-21cstates08:50:120
27810991714,2cyclictest20870-21cstates08:50:110
27810991714,2cyclictest16842-21awk08:40:230
27810991714,2cyclictest15754-21apache_volume12:30:100
27810991714,2cyclictest14992-21mailstats09:35:200
27810991714,2cyclictest14153-21missed_timers12:25:180
27810991714,2cyclictest0-21swapper/010:47:050
27810991713,2cyclictest3981-21H222:10:210
2781099171,1cyclictest0-21swapper/011:10:210
2781099170,2cyclictest4748-21acpi07:25:120
2781099170,2cyclictest4099-21H222:10:210
2781099170,2cyclictest4099-21H222:10:210
2781099170,2cyclictest3983-21H222:10:210
2781099170,2cyclictest3981-21H222:10:210
2781099170,2cyclictest3981-21H222:10:210
2781099170,2cyclictest3976-21H222:10:210
2781099170,2cyclictest27017-21/usr/sbin/munin11:50:190
2781099170,2cyclictest22555-21/usr/sbin/munin11:45:170
2781099170,2cyclictest13930-21/usr/sbin/munin10:30:210
2781099170,1cyclictest0-21swapper/012:37:250
2781099170,16cyclictest3985-21H222:10:210
2781099170,16cyclictest3981-21H222:10:210
2781099170,16cyclictest32058-21nfsd407:15:190
2781099170,16cyclictest23851-21cat08:55:160
2781099170,16cyclictest21569-21cstates07:55:130
2781099170,16cyclictest15077-21tr10:35:140
2781099170,16cyclictest13174-21grep07:40:130
2781099170,16cyclictest1100-21snmpd08:35:120
2781099170,16cyclictest0-21swapper/009:18:250
2781099170,16cyclictest0-21swapper/009:18:250
2781099170,15cyclictest3991-21H222:10:210
2781299160,1cyclictest0-21swapper/208:00:132
2781299160,1cyclictest0-21swapper/208:00:122
2781299160,15cyclictest0-21swapper/207:20:122
27811991614,1cyclictest0-21swapper/112:30:091
27811991614,1cyclictest0-21swapper/112:05:131
27811991613,2cyclictest18577-21apache_accesses07:50:111
2781199161,1cyclictest0-21swapper/107:20:081
27810991614,1cyclictest31800-21grep09:10:140
27810991614,1cyclictest0-21swapper/012:15:140
27810991613,2cyclictest25286-21grep08:00:170
27810991613,2cyclictest25286-21grep08:00:160
2781099160,15cyclictest20296-21awk09:45:180
2781099160,15cyclictest18582-21apache_volume07:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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