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2025-04-02 - 04:02
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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 Wed Apr 02, 2025 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2891699240,18cyclictest0-21swapper/122:55:141
2891699230,21cyclictest4523-21H212:26:331
28914992313,4cyclictest0-21swapper/022:05:010
28916992214,7cyclictest4528-21H212:26:331
28916992213,8cyclictest4593-21H212:26:331
28916992211,6cyclictest21946-21latency_hist23:15:001
2891699220,2cyclictest13944-21cut19:40:151
2891699220,2cyclictest1166-21grep19:15:211
2891699220,21cyclictest6349-21tr20:30:101
2891699220,20cyclictest0-21swapper/100:35:241
2891699220,1cyclictest0-21swapper/119:21:381
2891699220,16cyclictest5562-21python323:50:001
2891699220,16cyclictest4530-21H212:26:331
2891699220,15cyclictest0-21swapper/121:20:231
2891499220,18cyclictest0-21swapper/021:55:390
28916992115,5cyclictest0-21swapper/123:00:141
28916992114,6cyclictest2787-21perf22:35:001
28916992113,7cyclictest9232-21ls20:35:141
28916992113,7cyclictest2447-21expr23:40:121
2891699211,2cyclictest24900-21latency_hist20:00:011
2891699211,15cyclictest29575-21cat23:30:111
2891699210,2cyclictest4530-21H212:26:331
2891699210,20cyclictest21608-21python319:55:011
2891699210,20cyclictest19537-21nfsd400:15:201
2891699210,20cyclictest14031-21perf20:45:011
2891699210,20cyclictest12196-21latency_hist22:55:001
2891699210,1cyclictest0-21swapper/123:20:011
2891699210,1cyclictest0-21swapper/123:20:011
2891699210,1cyclictest0-21swapper/120:50:201
2891699210,16cyclictest24477-21perf23:20:001
2891699210,15cyclictest84272chrt22:41:411
2891699210,15cyclictest28338-21cut21:10:171
2891699210,15cyclictest16404-21timerandwakeup21:50:171
28914992112,5cyclictest0-21swapper/022:26:220
2891499210,18cyclictest3946-21idleruntime-cro21:25:010
28917992017,2cyclictest19700-21sh22:00:002
28917992016,3cyclictest0-21swapper/219:35:142
2891799201,17cyclictest23939-21nfsd421:00:192
2891799200,17cyclictest0-21swapper/222:45:382
2891699202,1cyclictest21-21ksoftirqd/120:20:331
28916992014,5cyclictest17278-21sed00:10:171
28916992014,5cyclictest0-21swapper/120:55:141
28916992014,5cyclictest0-21swapper/100:20:231
28916992013,6cyclictest32436-21latency20:15:191
28916992013,6cyclictest0-21swapper/121:00:151
28916992012,7cyclictest23257-21sessionclean22:09:011
28916992012,6cyclictest4538-21H212:26:331
2891699200,1cyclictest0-21swapper/119:45:141
2891699200,19cyclictest4532-21H212:26:331
2891699200,19cyclictest0-21swapper/121:15:171
2891699200,19cyclictest0-21swapper/100:26:041
2891699200,16cyclictest4532-21H212:26:331
2891699200,16cyclictest4528-21H212:26:331
2891699200,16cyclictest31634-21cut22:25:001
2891699200,15cyclictest4536-21H212:26:331
2891699200,15cyclictest31053-21timerwakeupswit19:10:241
2891799194,1cyclictest0-21swapper/222:58:362
2891799192,2cyclictest2674-21wc19:20:152
28917991917,1cyclictest4581-21H212:26:332
28917991916,2cyclictest4534-21H212:26:332
28917991914,3cyclictest4526-21H212:26:332
28917991914,2cyclictest4530-21H212:26:332
2891799191,16cyclictest0-21swapper/222:40:142
2891799190,1cyclictest0-21swapper/221:05:272
2891799190,18cyclictest4528-21H212:26:332
2891799190,16cyclictest4581-21H212:26:332
2891799190,16cyclictest4532-21H212:26:332
28916991914,4cyclictest3441-21gsd-color21:57:551
28916991914,4cyclictest0-21swapper/122:15:151
28916991914,4cyclictest0-21swapper/122:10:161
28916991914,4cyclictest0-21swapper/120:45:151
28916991912,6cyclictest8306-21expr21:35:151
28916991912,6cyclictest18048-21store23:05:011
2891699190,2cyclictest1403-21lxd22:26:541
2891699190,18cyclictest0-21swapper/122:00:471
2891699190,18cyclictest0-21swapper/100:05:241
2891699190,14cyclictest0-21swapper/121:25:551
2891699190,14cyclictest0-21swapper/119:30:251
2891699190,0cyclictest0-21swapper/121:05:361
2891499194,1cyclictest0-21swapper/020:01:580
28914991917,1cyclictest0-21swapper/022:56:500
28914991917,1cyclictest0-21swapper/021:11:500
28914991914,3cyclictest4526-21H212:26:330
28914991914,2cyclictest4593-21H212:26:330
28914991914,2cyclictest4581-21H212:26:330
2891499190,4cyclictest414-20systemd-journal22:38:590
2891499190,18cyclictest823-21systemd-network19:52:350
2891499190,18cyclictest4593-21H212:26:330
2891499190,16cyclictest4526-21H212:26:330
28917991816,1cyclictest4539-21H212:26:332
28917991816,1cyclictest0-21swapper/220:02:042
28917991815,2cyclictest4530-21H212:26:332
28917991815,2cyclictest4102-21date21:25:012
28917991814,3cyclictest4526-21H212:26:332
28917991814,3cyclictest4523-21H212:26:332
2891799181,16cyclictest970-21dbus-daemon19:55:012
2891799181,16cyclictest0-21swapper/219:19:382
2891799180,2cyclictest4530-21H212:26:332
2891799180,2cyclictest4528-21H212:26:332
2891799180,2cyclictest4528-21H212:26:332
2891799180,17cyclictest4581-21H212:26:332
2891799180,17cyclictest4532-21H212:26:332
2891799180,17cyclictest11457-21cat00:00:012
2891799180,16cyclictest4593-21H212:26:332
2891799180,16cyclictest4581-21H212:26:332
2891799180,16cyclictest4581-21H212:26:332
2891799180,16cyclictest4530-21H212:26:332
2891799180,16cyclictest4526-21H212:26:332
2891799180,16cyclictest4526-21H212:26:332
2891799180,15cyclictest4534-21H212:26:332
2891699182,1cyclictest50302sleep120:26:371
28916991816,1cyclictest0-21swapper/121:48:411
28916991812,5cyclictest4528-21H212:26:331
28916991812,5cyclictest11250-21expr19:35:151
2891699180,18cyclictest0-21swapper/119:27:471
2891699180,17cyclictest0-21swapper/123:28:391
2891699180,17cyclictest0-21swapper/120:09:481
28914991815,2cyclictest4530-21H212:26:330
28914991815,1cyclictest0-21swapper/000:10:100
28914991814,3cyclictest4536-21H212:26:330
2891499180,4cyclictest0-21swapper/000:24:430
2891499180,2cyclictest4532-21H212:26:330
2891499180,2cyclictest4530-21H212:26:330
2891499180,2cyclictest4523-21H212:26:330
2891499180,17cyclictest4532-21H212:26:330
2891499180,17cyclictest4530-21H212:26:330
2891499180,16cyclictest4523-21H212:26:330
2891499180,15cyclictest4528-21H212:26:330
28917991715,1cyclictest0-21swapper/222:35:452
28917991714,2cyclictest4593-21H212:26:332
28917991714,2cyclictest4536-21H212:26:332
28917991714,2cyclictest29163-21mailstats00:35:232
28917991714,2cyclictest26863-21systemctl23:20:242
28917991714,2cyclictest26863-21systemctl23:20:242
28917991714,2cyclictest21090-21awk20:55:192
28917991714,2cyclictest12617-21open_files21:40:192
2891799171,15cyclictest25028-21grep22:10:142
2891799170,2cyclictest4523-21H212:26:332
2891799170,2cyclictest17740-21grep19:45:182
2891799170,2cyclictest17240-21threads00:10:172
2891799170,2cyclictest16446-21apt.systemd.dai20:46:072
2891799170,16cyclictest5459-21expr21:30:152
2891799170,16cyclictest4593-21H212:26:332
2891799170,16cyclictest4534-21H212:26:332
2891799170,16cyclictest4528-21H212:26:332
2891799170,16cyclictest18487-21cat00:15:162
2891799170,16cyclictest16363-21/usr/sbin/munin23:00:172
2891799170,16cyclictest15131-21expr21:50:102
2891799170,16cyclictest11719-21cat20:40:132
2891799170,16cyclictest1059-21cups-browsed19:50:272
2891799170,16cyclictest0-21swapper/220:15:392
2891799170,15cyclictest4581-21H212:26:332
28914991715,1cyclictest9-21ksoftirqd/000:18:550
28914991715,1cyclictest0-21swapper/021:15:200
28914991715,1cyclictest0-21swapper/020:15:190
28914991715,1cyclictest0-21swapper/019:17:190
28914991714,2cyclictest4581-21H212:26:330
28914991714,2cyclictest4536-21H212:26:330
28914991714,2cyclictest4534-21H212:26:330
28914991714,2cyclictest4530-21H212:26:330
28914991714,2cyclictest4523-21H212:26:330
28914991714,2cyclictest25559-21cat23:20:170
28914991714,2cyclictest25559-21cat23:20:170
28914991714,2cyclictest12428-21awk21:40:180
28914991712,2cyclictest4538-21H212:26:330
2891499171,15cyclictest4538-21H212:26:330
2891499170,2cyclictest4593-21H212:26:330
2891499170,2cyclictest4581-21H212:26:330
2891499170,2cyclictest4581-21H212:26:330
2891499170,2cyclictest4536-21H212:26:330
2891499170,2cyclictest4523-21H212:26:330
2891499170,2cyclictest16032-21sendmail_mailtr20:45:220
2891499170,2cyclictest12965-21nfsd400:00:190
2891499170,2cyclictest12860-21vmstat19:35:240
2891499170,1cyclictest0-21swapper/021:30:200
2891499170,16cyclictest4534-21H212:26:330
2891499170,16cyclictest4534-21H212:26:330
2891499170,16cyclictest4532-21H212:26:330
2891499170,16cyclictest4530-21H212:26:330
2891499170,16cyclictest4526-21H212:26:330
2891499170,16cyclictest3859-21nfsd419:20:190
2891499170,16cyclictest31137-21cut20:15:010
2891499170,16cyclictest17860-21fschecks_time20:50:210
2891499170,16cyclictest0-21swapper/023:28:270
28917991614,1cyclictest0-21swapper/223:50:162
28917991614,1cyclictest0-21swapper/220:30:122
28917991613,2cyclictest22637-21nfsd400:20:182
2891799160,1cyclictest18294-21dpkg23:05:012
2891799160,15cyclictest9790-21latency20:35:172
2891799160,15cyclictest0-21swapper/222:20:182
2891799160,0cyclictest0-21swapper/223:26:062
28914991614,1cyclictest7320-21nfsd420:30:140
28914991613,2cyclictest4538-21H212:26:330
2891499160,2cyclictest16503-21cut23:00:180
2891499160,15cyclictest8824-21kernelversion21:35:180
2891499160,15cyclictest4528-21H212:26:330
2891499160,15cyclictest20102-21fschecks_time23:10:110
2891499160,15cyclictest0-21swapper/023:50:000
2891499160,15cyclictest0-21swapper/020:37:390
2891499160,15cyclictest0-21swapper/000:35:150
2891499160,14cyclictest0-21swapper/022:10:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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