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2026-07-23 - 19:47
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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 Thu Jul 23, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1945399231,7cyclictest13902-21fschecks_time11:45:142
1945399230,20cyclictest0-21swapper/208:12:562
1945299234,18cyclictest0-21swapper/109:59:471
19453992214,4cyclictest0-21swapper/208:45:022
1945399220,3cyclictest21729-21cut10:05:132
1945399214,1cyclictest0-21swapper/209:25:522
1945399214,16cyclictest0-21swapper/212:40:012
1945399210,20cyclictest25848-21cut07:20:152
1945299210,19cyclictest28544-21df07:25:141
19453992017,2cyclictest21033-21missed_timers09:05:172
19452992017,2cyclictest3987-21H222:10:211
1945399193,15cyclictest25673-21proc_pri12:05:202
1945399193,15cyclictest0-21swapper/208:27:532
1945399192,3cyclictest0-21swapper/208:08:392
1945399192,2cyclictest22535-21chrt11:04:152
1945399192,1cyclictest0-21swapper/209:19:032
1945399192,16cyclictest0-21swapper/209:00:372
19453991916,2cyclictest27666-21grep08:20:182
19453991915,3cyclictest0-21swapper/211:55:132
1945399191,3cyclictest0-21swapper/210:10:222
1945399191,17cyclictest0-21swapper/211:32:302
1945399190,4cyclictest3450-21gsd-color10:30:212
1945399190,2cyclictest3991-21H222:10:212
1945399190,18cyclictest2451-21cut11:25:152
1945399190,18cyclictest0-21swapper/207:52:452
1945399190,16cyclictest3989-21H222:10:212
1945299193,15cyclictest21-21ksoftirqd/109:12:201
1945299190,1cyclictest0-21swapper/111:06:031
1945299190,16cyclictest3991-21H222:10:211
1945299190,16cyclictest3987-21H222:10:211
1945299190,16cyclictest3985-21H222:10:211
1945199192,16cyclictest3987-21H222:10:210
19451991917,1cyclictest0-21swapper/009:57:380
19451991914,4cyclictest426-21systemd-udevd08:18:520
19451991914,4cyclictest31846-21munin-plugin-st08:30:000
1945199190,2cyclictest0-21swapper/011:51:590
1945199190,17cyclictest3989-21H222:10:210
1945199190,16cyclictest4099-21H222:10:210
1945199190,16cyclictest4035-21H222:10:210
1945199190,16cyclictest3981-21H222:10:210
1945199190,16cyclictest3976-21H222:10:210
1945199190,16cyclictest3976-21H222:10:210
1945399183,1cyclictest28-21ksoftirqd/208:15:152
1945399182,15cyclictest17391-21open_inodes11:50:182
1945399182,15cyclictest14879-21cpuspeed_turbos10:50:132
1945399182,15cyclictest11005-21cat11:40:152
1945399182,15cyclictest0-21swapper/212:10:192
1945399182,15cyclictest0-21swapper/211:38:282
19453991816,1cyclictest0-21swapper/207:11:492
19453991814,2cyclictest0-21swapper/212:20:192
1945399181,2cyclictest0-21swapper/211:20:182
1945399181,2cyclictest0-21swapper/209:37:082
1945399181,16cyclictest28766-21/usr/sbin/munin07:25:162
1945399180,3cyclictest7270-21awk12:30:162
1945399180,3cyclictest13605-21/usr/sbin/munin08:50:212
1945399180,3cyclictest13466-21sort09:50:152
1945399180,2cyclictest3989-21H222:10:212
1945399180,2cyclictest3983-21H222:10:212
1945399180,2cyclictest26263-21apt-get10:15:022
1945399180,17cyclictest3991-21H222:10:212
1945399180,17cyclictest0-21swapper/210:27:352
1945399180,16cyclictest0-21swapper/209:32:492
1945299182,15cyclictest0-21swapper/110:42:471
1945299182,15cyclictest0-21swapper/109:48:011
19452991816,1cyclictest0-21swapper/111:38:531
19452991816,1cyclictest0-21swapper/108:13:591
19452991815,2cyclictest10966-21chrt08:46:231
19452991814,3cyclictest3985-21H222:10:211
19452991814,3cyclictest3985-21H222:10:211
19452991814,3cyclictest3976-21H222:10:211
19452991814,3cyclictest0-21swapper/112:21:391
19452991814,2cyclictest3991-21H222:10:211
1945299181,16cyclictest4099-21H222:10:211
1945299180,3cyclictest863-21avahi-daemon10:35:201
1945299180,2cyclictest4099-21H222:10:211
1945299180,2cyclictest4035-21H222:10:211
1945299180,1cyclictest3976-21H222:10:211
1945299180,17cyclictest3991-21H222:10:211
1945299180,17cyclictest3987-21H222:10:211
1945299180,17cyclictest3983-21H222:10:211
1945299180,17cyclictest0-21swapper/109:50:181
1945299180,17cyclictest0-21swapper/108:50:141
1945299180,16cyclictest3983-21H222:10:211
1945299180,16cyclictest3976-21H222:10:211
1945299180,16cyclictest24784-21needreboot08:15:181
1945299180,16cyclictest14536-21nfsd411:45:181
1945199182,15cyclictest9-21ksoftirqd/008:47:160
1945199182,15cyclictest91ksoftirqd/009:36:270
1945199180,4cyclictest3981-21H222:10:210
1945199180,2cyclictest4099-21H222:10:210
1945199180,2cyclictest4035-21H222:10:210
1945199180,2cyclictest4035-21H222:10:210
1945199180,2cyclictest3991-21H222:10:210
1945199180,17cyclictest870-21systemd-logind07:38:520
1945199180,17cyclictest3983-21H222:10:210
1945199180,17cyclictest3981-21H222:10:210
1945199180,15cyclictest3976-21H222:10:210
1945399172,1cyclictest0-21swapper/207:40:132
19453991715,1cyclictest28-21ksoftirqd/208:47:382
19453991715,1cyclictest0-21swapper/209:40:182
19453991714,2cyclictest7087-21apt-get07:45:142
19453991714,2cyclictest3985-21H222:10:212
19453991714,2cyclictest3983-21H222:10:212
19453991714,2cyclictest29805-21postgres12:15:072
19453991714,2cyclictest17938-21cstates10:55:122
19453991714,2cyclictest15577-21/usr/sbin/munin09:55:092
19453991714,2cyclictest0-21swapper/210:40:172
1945399171,1cyclictest3450-21gsd-color11:15:132
1945399171,15cyclictest0-21swapper/210:35:122
1945399170,2cyclictest3991-21H222:10:212
1945399170,2cyclictest3885-21cut12:25:122
1945399170,2cyclictest28672-21cstates09:20:132
1945399170,2cyclictest28672-21cstates09:20:122
1945399170,2cyclictest24766-21taskset07:19:412
1945399170,2cyclictest14504-21snapd08:55:282
1945399170,2cyclictest12527-21/usr/sbin/munin07:55:122
1945399170,16cyclictest3983-21H222:10:212
1945399170,16cyclictest29996-21tr10:20:122
1945399170,16cyclictest24367-21/usr/sbin/munin09:10:202
1945399170,16cyclictest1515-21lxd08:00:432
1945399170,16cyclictest11189-21ls09:45:192
1945299172,1cyclictest21-21ksoftirqd/110:01:481
1945299172,15cyclictest21-21ksoftirqd/108:02:131
19452991715,1cyclictest0-21swapper/111:40:221
19452991714,2cyclictest8737-21latency_hist08:45:011
19452991714,2cyclictest4099-21H222:10:211
19452991714,2cyclictest4099-21H222:10:211
19452991714,2cyclictest3991-21H222:10:211
19452991714,2cyclictest3976-21H222:10:211
19452991714,2cyclictest31220-21ntpq12:15:181
19452991714,2cyclictest29647-21nfsd409:20:181
19452991714,2cyclictest29647-21nfsd409:20:181
19452991714,2cyclictest28330-21awk10:15:191
19452991714,2cyclictest25517-21sendmail_mailst10:10:211
1945299171,1cyclictest19051-21uname10:55:191
1945299170,2cyclictest3987-21H222:10:211
1945299170,2cyclictest3981-21H222:10:211
1945299170,2cyclictest2373-21kernelversion09:30:181
1945299170,2cyclictest20966-21nfsd407:10:181
1945299170,2cyclictest17325-21awk11:50:171
1945299170,16cyclictest5280-21expr11:30:131
1945299170,16cyclictest4474-21tr07:40:131
1945299170,16cyclictest3991-21H222:10:211
1945299170,16cyclictest3987-21H222:10:211
1945299170,16cyclictest32666-21cat08:30:141
1945299170,16cyclictest30305-21awk08:25:171
1945299170,16cyclictest19361-21awk08:05:191
1945299170,16cyclictest17459-21cstates09:00:131
1945299170,16cyclictest15328-21ls10:50:141
1945299170,16cyclictest11223-21/usr/sbin/munin07:50:201
1945299170,16cyclictest10671-21timerwakeupswit12:35:191
1945199172,1cyclictest0-21swapper/008:51:570
19451991714,2cyclictest8611-21nfsd409:40:180
19451991714,2cyclictest4035-21H222:10:210
19451991714,2cyclictest4035-21H222:10:210
19451991714,2cyclictest3987-21H222:10:210
19451991714,2cyclictest3983-21H222:10:210
19451991714,2cyclictest3981-21H222:10:210
19451991714,2cyclictest3976-21H222:10:210
19451991714,2cyclictest2872-21systemd-logind09:20:520
19451991714,2cyclictest2872-21systemd-logind09:20:510
19451991714,2cyclictest21446-21tail11:00:180
19451991714,2cyclictest2069-21systemd-udevd10:52:510
19451991714,2cyclictest14247-21ntpq09:50:180
19451991713,3cyclictest3979-21H222:10:210
19451991713,2cyclictest0-21swapper/011:28:430
19451991712,1cyclictest0-21swapper/012:05:040
1945199171,1cyclictest5210-21timerwakeupswit10:30:210
1945199171,1cyclictest3983-21H222:10:210
1945199171,15cyclictest3983-21H222:10:210
1945199170,2cyclictest6180-21tr12:30:110
1945199170,2cyclictest4099-21H222:10:210
1945199170,2cyclictest3981-21H222:10:210
1945199170,2cyclictest3979-21H222:10:210
1945199170,2cyclictest29940-21grep10:20:130
1945199170,2cyclictest16576-21awk08:00:170
1945199170,1cyclictest3985-21H222:10:210
1945199170,16cyclictest5353-21cat11:30:130
1945199170,16cyclictest3989-21H222:10:210
1945199170,16cyclictest3053-21systemd-logind07:26:520
1945199170,16cyclictest2872-21systemd-logind07:50:510
1945199170,16cyclictest24810-21ls11:05:210
1945199170,16cyclictest24283-21proc_pri09:10:200
1945199170,16cyclictest22539-21ps10:05:170
1945199170,16cyclictest1079-21cups-browsed12:00:210
1945199170,16cyclictest0-21swapper/010:45:160
1945199170,15cyclictest0-21swapper/008:20:170
1945299160,2cyclictest4035-21H222:10:211
1945299160,1cyclictest8410-21nfsd407:45:181
1945299160,15cyclictest0-21swapper/112:05:151
1945299160,15cyclictest0-21swapper/108:20:121
19451991614,1cyclictest0-21swapper/009:15:060
19451991614,1cyclictest0-21swapper/007:55:150
19451991613,2cyclictest426-21systemd-udevd10:10:510
1945199160,1cyclictest0-21swapper/008:05:130
1945199160,15cyclictest30093-21cstates12:15:120
1945199160,15cyclictest0-21swapper/011:20:130
1945199160,15cyclictest0-21swapper/009:30:180
1945199160,15cyclictest0-21swapper/007:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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