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2025-06-24 - 19:16
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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 Tue Jun 24, 2025 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30143992415,0cyclictest0-21swapper/210:00:232
3013399240,20cyclictest823-21systemd-network12:31:430
3013399240,19cyclictest0-21swapper/012:20:200
3014399230,5cyclictest0-21swapper/209:25:122
3013399231,17cyclictest0-21swapper/008:00:010
3013399230,20cyclictest0-21swapper/011:59:130
3013799217,13cyclictest0-21swapper/107:54:121
3014399203,13cyclictest0-21swapper/211:49:372
3014399202,10cyclictest28165-21latency_hist10:55:012
3013799202,16cyclictest4534-21H212:26:331
30137992011,5cyclictest0-21swapper/107:30:221
30133992016,1cyclictest0-21swapper/008:45:170
30133992014,5cyclictest0-21swapper/009:25:180
3014399193,15cyclictest0-21swapper/210:31:372
30143991917,1cyclictest0-21swapper/211:41:042
30143991917,1cyclictest0-21swapper/211:24:472
30143991917,1cyclictest0-21swapper/211:24:472
30143991917,1cyclictest0-21swapper/210:05:152
30143991916,2cyclictest7961-21fgrep10:15:222
30143991914,2cyclictest4528-21H212:26:332
3014399190,16cyclictest4538-21H212:26:332
3014399190,16cyclictest4536-21H212:26:332
3014399190,16cyclictest4534-21H212:26:332
3014399190,16cyclictest4526-21H212:26:332
3013799192,16cyclictest967-21thermald09:40:221
3013799192,16cyclictest4593-21H212:26:331
3013799192,16cyclictest31260-21nfsd410:00:221
3013799190,16cyclictest4593-21H212:26:331
3013799190,16cyclictest4538-21H212:26:331
3013799190,16cyclictest4538-21H212:26:331
3013799190,16cyclictest4523-21H212:26:331
30133991917,1cyclictest9-21ksoftirqd/011:46:150
30133991916,2cyclictest4581-21H212:26:330
30133991916,2cyclictest21896-21wc10:40:230
30133991914,2cyclictest4538-21H212:26:330
30133991914,2cyclictest4526-21H212:26:330
3013399190,16cyclictest4526-21H212:26:330
3013399190,16cyclictest4523-21H212:26:330
3014399182,15cyclictest4534-21H212:26:332
30143991816,1cyclictest0-21swapper/210:13:062
30143991816,1cyclictest0-21swapper/208:08:082
30143991815,2cyclictest4593-21H212:26:332
30143991814,3cyclictest4536-21H212:26:332
30143991814,3cyclictest27536-21lxd09:49:002
3014399180,2cyclictest4534-21H212:26:332
3014399180,2cyclictest4530-21H212:26:332
3014399180,2cyclictest4523-21H212:26:332
3014399180,17cyclictest4530-21H212:26:332
3014399180,16cyclictest3400-21cpuspeed_turbos12:05:142
3013799182,2cyclictest14815-21ntp_kernel_err11:25:201
30137991816,1cyclictest21-21ksoftirqd/111:12:351
30137991816,1cyclictest0-21swapper/110:26:551
30137991816,1cyclictest0-21swapper/108:50:011
30137991815,2cyclictest7130-21idleruntime12:10:161
30137991815,2cyclictest23082-21cpuspeed_turbos10:45:151
30137991815,2cyclictest0-21swapper/111:55:221
3013799181,16cyclictest4538-21H212:26:331
3013799181,16cyclictest16578-21smtpd10:30:331
3013799181,15cyclictest4530-21H212:26:331
3013799180,2cyclictest4581-21H212:26:331
3013799180,2cyclictest4538-21H212:26:331
3013799180,2cyclictest4538-21H212:26:331
3013799180,2cyclictest4538-21H212:26:331
3013799180,2cyclictest4255-21grep10:10:161
3013799180,1cyclictest0-21swapper/108:40:191
3013799180,17cyclictest823-21systemd-network09:05:091
3013799180,17cyclictest4593-21H212:26:331
3013799180,17cyclictest4530-21H212:26:331
3013799180,17cyclictest1731-21grep12:00:191
3013799180,17cyclictest0-21swapper/107:15:191
3013799180,16cyclictest4523-21H212:26:331
3013799180,15cyclictest4530-21H212:26:331
3013799180,15cyclictest4526-21H212:26:331
3013399182,15cyclictest9-21ksoftirqd/012:12:170
3013399182,15cyclictest90872chrt12:15:100
30133991816,1cyclictest0-21swapper/011:37:420
30133991816,1cyclictest0-21swapper/008:58:290
30133991814,3cyclictest1402-21lxd10:23:010
30133991814,2cyclictest4536-21H212:26:330
3013399181,16cyclictest4888-21chrt08:16:030
3013399180,3cyclictest6380-21munin-run07:25:010
3013399180,2cyclictest4593-21H212:26:330
3013399180,2cyclictest4526-21H212:26:330
3013399180,2cyclictest4526-21H212:26:330
3013399180,2cyclictest4523-21H212:26:330
3013399180,2cyclictest4523-21H212:26:330
3013399180,17cyclictest4532-21H212:26:330
3013399180,17cyclictest1650-21nfsd412:00:180
3013399180,16cyclictest4530-21H212:26:330
3013399180,15cyclictest4581-21H212:26:330
3013399180,15cyclictest4526-21H212:26:330
3013399180,15cyclictest4523-21H212:26:330
30143991714,2cyclictest970-21dbus-daemon07:30:242
30143991714,2cyclictest9178-21sort12:15:152
30143991714,2cyclictest4593-21H212:26:332
30143991714,2cyclictest4581-21H212:26:332
30143991714,2cyclictest4536-21H212:26:332
30143991714,2cyclictest4534-21H212:26:332
30143991714,2cyclictest4534-21H212:26:332
30143991714,2cyclictest4530-21H212:26:332
30143991714,2cyclictest4530-21H212:26:332
30143991714,2cyclictest4530-21H212:26:332
30143991714,2cyclictest4528-21H212:26:332
30143991714,2cyclictest4526-21H212:26:332
30143991714,2cyclictest4523-21H212:26:332
30143991714,2cyclictest23110-21cpuspeed_turbos10:45:142
30143991713,3cyclictest4593-21H212:26:332
30143991713,3cyclictest4530-21H212:26:332
30143991711,5cyclictest823-21systemd-network08:41:582
3014399170,2cyclictest8223-21expr11:15:152
3014399170,2cyclictest4593-21H212:26:332
3014399170,2cyclictest4593-21H212:26:332
3014399170,2cyclictest4538-21H212:26:332
3014399170,2cyclictest4532-21H212:26:332
3014399170,2cyclictest4532-21H212:26:332
3014399170,2cyclictest4532-21H212:26:332
3014399170,2cyclictest4523-21H212:26:332
3014399170,2cyclictest13517-21postgres08:31:412
3014399170,16cyclictest4536-21H212:26:332
3014399170,16cyclictest4534-21H212:26:332
3014399170,16cyclictest4534-21H212:26:332
3014399170,16cyclictest4528-21H212:26:332
3014399170,16cyclictest4528-21H212:26:332
3014399170,16cyclictest4526-21H212:26:332
3014399170,16cyclictest4523-21H212:26:332
3014399170,16cyclictest28725-21apt-key10:55:022
3014399170,15cyclictest4523-21H212:26:332
3014399170,15cyclictest0-21swapper/209:06:212
30137991715,1cyclictest4593-21H212:26:331
30137991714,2cyclictest7968-21apache_processe11:15:131
30137991714,2cyclictest7157-21timerwakeupswit09:15:261
30137991714,2cyclictest4534-21H212:26:331
30137991714,2cyclictest4534-21H212:26:331
30137991714,2cyclictest4532-21H212:26:331
30137991714,2cyclictest4530-21H212:26:331
30137991714,2cyclictest414-20systemd-journal12:33:001
30137991714,2cyclictest3830-21sendmail_mailst11:05:331
30137991714,2cyclictest22384-21df11:40:151
30137991714,2cyclictest1086-21snmpd07:56:311
3013799171,15cyclictest16750-21nfsd407:40:191
3013799170,2cyclictest6559-21cpuspeed_turbos10:15:151
3013799170,2cyclictest4536-21H212:26:331
3013799170,16cyclictest881-21avahi-daemon09:00:231
3013799170,16cyclictest4534-21H212:26:331
3013799170,16cyclictest4530-21H212:26:331
3013799170,16cyclictest4528-21H212:26:331
3013799170,16cyclictest4528-21H212:26:331
3013799170,16cyclictest4441-21snapd10:36:301
3013799170,16cyclictest3134-21rtkit-daemon11:03:561
3013799170,16cyclictest15012-21sshd07:39:011
3013799170,16cyclictest10467-21sed09:25:011
3013799170,16cyclictest10421-21awk12:15:191
3013799170,16cyclictest0-21swapper/110:52:371
3013799170,15cyclictest4538-21H212:26:331
3013799170,15cyclictest4526-21H212:26:331
30133991715,1cyclictest0-21swapper/011:10:210
30133991714,2cyclictest4581-21H212:26:330
30133991714,2cyclictest4534-21H212:26:330
30133991714,2cyclictest4532-21H212:26:330
30133991714,2cyclictest30956-21ls07:10:160
30133991714,2cyclictest20438-21apache_processe12:35:120
30133991714,2cyclictest17155-21sensors07:40:210
30133991714,2cyclictest1164-21users11:00:250
30133991713,3cyclictest4538-21H212:26:330
3013399171,15cyclictest9-21ksoftirqd/009:15:010
3013399171,15cyclictest4593-21H212:26:330
3013399170,2cyclictest4593-21H212:26:330
3013399170,2cyclictest4530-21H212:26:330
3013399170,2cyclictest4526-21H212:26:330
3013399170,2cyclictest18948-21fschecks_time07:45:170
3013399170,1cyclictest4534-21H212:26:330
3013399170,1cyclictest4523-21H212:26:330
3013399170,1cyclictest0-21swapper/010:49:020
3013399170,1cyclictest0-21swapper/009:54:480
3013399170,1cyclictest0-21swapper/008:02:500
3013399170,16cyclictest7528-21expr07:25:170
3013399170,16cyclictest4593-21H212:26:330
3013399170,16cyclictest4581-21H212:26:330
3013399170,16cyclictest4581-21H212:26:330
3013399170,16cyclictest4532-21H212:26:330
3013399170,16cyclictest23016-21nfsd411:40:180
3013399170,16cyclictest1231-21ls07:15:170
3013399170,16cyclictest11700-21sed11:20:200
3013399170,16cyclictest11700-21sed11:20:190
3013399170,16cyclictest10438-21sed09:25:010
30143991614,1cyclictest0-21swapper/208:55:172
30143991614,1cyclictest0-21swapper/208:25:182
30143991614,1cyclictest0-21swapper/208:15:172
3014399160,15cyclictest5914-21cstates08:20:142
3014399160,15cyclictest5914-21cstates08:20:142
3014399160,15cyclictest0-21swapper/207:20:102
30137991614,1cyclictest0-21swapper/108:55:201
30137991614,1cyclictest0-21swapper/108:25:171
30137991613,2cyclictest4593-21H212:26:331
30137991612,3cyclictest4523-21H212:26:331
3013799160,15cyclictest0-21swapper/108:00:201
30133991614,1cyclictest21832-21find09:45:140
3013399160,1cyclictest10554-21/usr/sbin/munin07:30:190
3013399160,15cyclictest4528-21H212:26:330
3013399160,15cyclictest28555-21expr09:00:160
3013399160,15cyclictest11786-21expr08:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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