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2025-07-17 - 00:50
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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 Jul 16, 2025 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
500499258,14cyclictest0-21swapper/112:24:361
501099240,23cyclictest0-21swapper/209:00:372
5010992117,3cyclictest0-21swapper/211:21:502
500499210,18cyclictest22269-21python310:30:021
500499210,18cyclictest22269-21python310:30:011
501099204,15cyclictest0-21swapper/210:50:002
500499200,18cyclictest893-21systemd-logind12:05:011
5010991917,1cyclictest0-21swapper/211:54:572
5010991916,1cyclictest0-21swapper/208:50:152
501099191,17cyclictest29130-21grep09:45:172
501099190,1cyclictest0-21swapper/208:13:052
5004991916,2cyclictest4523-21H212:26:331
500499190,4cyclictest0-21swapper/108:45:551
500499190,18cyclictest1148-21turbostat09:55:011
5003991917,1cyclictest6881-21cat10:00:210
5003991914,2cyclictest4538-21H212:26:330
500399190,17cyclictest13170-21nfsd409:15:170
501099182,15cyclictest0-21swapper/208:27:382
5010991816,1cyclictest0-21swapper/211:10:192
5010991814,3cyclictest4437-21snapd11:31:312
501099181,16cyclictest215312sleep210:26:032
501099181,16cyclictest215312sleep210:26:032
501099180,2cyclictest4581-21H212:26:332
501099180,17cyclictest21034-21nfsd407:35:202
5004991813,4cyclictest2843-21grep09:00:001
5004991813,4cyclictest28275-21cat09:45:011
500499180,3cyclictest3902-21wc09:55:231
500499180,17cyclictest4581-21H212:26:331
500499180,16cyclictest4712-21apt-config10:55:011
500399182,1cyclictest0-21swapper/010:15:570
5003991816,1cyclictest9-21ksoftirqd/012:06:000
5003991815,2cyclictest32473-21nfsd409:50:170
5003991814,3cyclictest4530-21H212:26:330
500399181,2cyclictest4572-21changes_open12:26:330
500399181,2cyclictest4572-21changes_open12:26:330
500399180,1cyclictest0-21swapper/010:09:130
500399180,17cyclictest0-21swapper/009:25:160
5010991715,1cyclictest0-21swapper/212:00:212
5010991715,1cyclictest0-21swapper/211:50:012
5010991715,1cyclictest0-21swapper/211:40:202
5010991715,1cyclictest0-21swapper/210:50:142
5010991715,1cyclictest0-21swapper/208:08:152
5010991714,2cyclictest891-21ls12:40:002
5010991714,2cyclictest22817-21cat11:25:142
5010991714,2cyclictest19342-21latency_hist07:35:012
5010991714,2cyclictest1833-21gpgv09:55:012
5010991714,2cyclictest16795-21/usr/sbin/munin10:20:242
5010991714,2cyclictest14282-21sed08:20:182
5010991714,2cyclictest13119-21vmstat07:20:252
5010991714,2cyclictest13119-21vmstat07:20:252
5010991714,2cyclictest12148-21timerandwakeup08:15:232
5010991714,2cyclictest0-21swapper/207:18:272
501099171,1cyclictest0-21swapper/211:58:562
501099171,1cyclictest0-21swapper/209:26:552
501099170,2cyclictest6546-21expr10:00:182
501099170,2cyclictest4523-21H212:26:332
501099170,2cyclictest4271-21basename08:05:002
501099170,2cyclictest414-20systemd-journal09:50:012
501099170,2cyclictest3707-21lxd09:05:032
501099170,2cyclictest29593-21wc12:30:222
501099170,2cyclictest28663-21expr10:40:152
501099170,2cyclictest27948-21fschecks_count08:45:162
501099170,2cyclictest22117-21expr08:35:162
501099170,16cyclictest9951-21python310:05:552
501099170,16cyclictest7189-21chrt10:59:512
501099170,16cyclictest30316-21http11:40:002
501099170,16cyclictest27827-21apt-key07:50:012
501099170,16cyclictest27827-21apt-key07:50:012
501099170,16cyclictest24031-21grep07:40:192
501099170,16cyclictest23630-21nfsd412:20:172
501099170,16cyclictest23190-21expr09:35:162
501099170,16cyclictest15122-21sed10:15:172
501099170,16cyclictest14193-21grep12:05:182
501099170,16cyclictest12956-21latency_hist11:10:002
501099170,16cyclictest11957-21fschecks_count10:10:152
501099170,16cyclictest0-21swapper/212:25:192
501099170,16cyclictest0-21swapper/209:15:162
501099170,16cyclictest0-21swapper/209:10:102
501099170,16cyclictest0-21swapper/208:40:112
501099170,16cyclictest0-21swapper/207:10:162
5004991714,2cyclictest9558-21sed11:00:221
5004991714,2cyclictest4526-21H212:26:331
5004991714,2cyclictest4526-21H212:26:331
5004991714,2cyclictest29932-21switchtime10:40:221
5004991714,2cyclictest28363-21dpkg07:50:011
5004991714,2cyclictest24717-21taskset07:41:491
5004991714,2cyclictest24229-21vmstat11:25:241
5004991714,2cyclictest24150-21anvil08:43:131
5004991714,2cyclictest16961-21idleruntime08:25:171
5004991714,2cyclictest1079-21gdbus12:30:221
5004991713,3cyclictest29107-21fschecks_count09:45:161
500499171,15cyclictest3289-21JS12:26:331
500499170,2cyclictest4581-21H212:26:331
500499170,2cyclictest414-20systemd-journal10:39:551
500499170,2cyclictest2049-21systemd-journal08:15:301
500499170,2cyclictest19133-21sshd11:20:061
500499170,2cyclictest15797-21grep08:25:011
500499170,2cyclictest1403-21lxd09:07:021
500499170,16cyclictest5496-21apt-key07:10:031
500499170,16cyclictest4526-21H212:26:331
500499170,16cyclictest4523-21H212:26:331
500499170,16cyclictest4523-21H212:26:331
500499170,16cyclictest4431-21snapd11:36:411
500499170,16cyclictest3707-21lxd11:43:021
500499170,16cyclictest26685-21awk07:45:191
500499170,16cyclictest26685-21awk07:45:181
500499170,16cyclictest18552-21cut07:30:211
500499170,16cyclictest17366-21expr10:20:171
500499170,16cyclictest14680-21apt-get09:20:161
500499170,15cyclictest4534-21H212:26:331
500399172,1cyclictest9-21ksoftirqd/009:38:390
5003991715,1cyclictest8370-21perl08:10:150
5003991714,2cyclictest4581-21H212:26:330
5003991714,2cyclictest4523-21H212:26:330
5003991714,2cyclictest4523-21H212:26:330
5003991714,2cyclictest27348-21sshd10:35:330
5003991714,2cyclictest24086-21awk07:40:190
5003991714,2cyclictest20266-21cpuspeed_turbos09:30:170
5003991714,2cyclictest20034-21if_lxdbr011:20:170
5003991714,2cyclictest19000-21chrt10:23:450
5003991714,2cyclictest18075-21timerwakeupswit08:25:230
5003991714,2cyclictest1079-21gdbus10:40:220
5003991714,2cyclictest10692-21anvil07:19:390
5003991712,2cyclictest4526-21H212:26:330
500399171,15cyclictest29452-21kernelversion07:50:180
500399170,2cyclictest4059-21python310:55:000
500399170,2cyclictest31977-21uname11:40:200
500399170,2cyclictest28074-21idleruntime-cro09:45:010
500399170,2cyclictest1938-21cat11:45:160
500399170,16cyclictest5394-21fschecks_count08:05:190
500399170,16cyclictest4556-21dpkg11:50:010
500399170,16cyclictest4528-21H212:26:330
500399170,16cyclictest4523-21H212:26:330
500399170,16cyclictest28938-21cut12:30:180
500399170,16cyclictest24161-21cron08:40:020
500399170,16cyclictest22920-21fschecks_count11:25:150
500399170,16cyclictest2084-21/usr/sbin/munin09:55:210
500399170,16cyclictest1355-21lxd10:45:020
500399170,16cyclictest0-21swapper/009:10:150
5010991614,1cyclictest0-21swapper/212:15:182
5010991614,1cyclictest0-21swapper/211:00:212
5010991614,1cyclictest0-21swapper/210:35:072
5010991614,1cyclictest0-21swapper/208:30:182
501099160,2cyclictest26244-21expr09:40:142
501099160,1cyclictest0-21swapper/209:30:172
501099160,15cyclictest28255-21gpgv07:50:012
501099160,15cyclictest0-21swapper/212:10:162
501099160,15cyclictest0-21swapper/210:30:012
501099160,15cyclictest0-21swapper/209:20:172
501099160,15cyclictest0-21swapper/208:55:172
501099160,15cyclictest0-21swapper/207:55:172
5004991614,1cyclictest1355-21lxd09:25:021
5004991614,1cyclictest0-21swapper/112:10:151
5004991614,1cyclictest0-21swapper/111:30:141
5004991614,1cyclictest0-21swapper/110:45:141
5004991614,1cyclictest0-21swapper/110:10:141
5004991614,1cyclictest0-21swapper/110:05:151
5004991614,1cyclictest0-21swapper/109:15:161
5004991614,1cyclictest0-21swapper/109:10:171
5004991614,1cyclictest0-21swapper/109:00:141
5004991614,1cyclictest0-21swapper/108:35:211
5004991614,1cyclictest0-21swapper/108:10:151
5004991614,1cyclictest0-21swapper/107:35:171
5004991614,1cyclictest0-21swapper/107:18:431
5004991613,2cyclictest32554-21nfsd407:55:191
5004991613,2cyclictest24214-21ntp_kernel_pll_09:35:201
500499160,2cyclictest6439-21pzem_energy10:55:201
500499160,1cyclictest13908-21apt-get07:25:141
500499160,1cyclictest0-21swapper/110:15:171
500499160,15cyclictest5184-21acpi10:00:111
500499160,15cyclictest4530-21H212:26:331
500499160,15cyclictest26553-21pzem_energy12:25:201
500499160,15cyclictest11601-21cat07:20:151
500499160,15cyclictest11601-21cat07:20:151
500499160,15cyclictest0-21swapper/112:05:001
500499160,15cyclictest0-21swapper/111:10:201
500499160,15cyclictest0-21swapper/108:00:221
5003991614,1cyclictest21830-21expr08:35:160
5003991614,1cyclictest0-21swapper/012:15:160
5003991614,1cyclictest0-21swapper/011:40:000
5003991614,1cyclictest0-21swapper/011:15:150
5003991614,1cyclictest0-21swapper/010:57:150
5003991614,1cyclictest0-21swapper/008:30:240
5003991614,1cyclictest0-21swapper/008:20:150
5003991614,1cyclictest0-21swapper/008:15:180
5003991614,1cyclictest0-21swapper/007:30:210
5003991614,1cyclictest0-21swapper/007:25:170
5003991614,1cyclictest0-21swapper/007:20:150
5003991614,1cyclictest0-21swapper/007:20:140
5003991614,1cyclictest0-21swapper/007:10:150
5003991613,2cyclictest4526-21H212:26:330
500399160,1cyclictest0-21swapper/009:00:160
500399160,15cyclictest4526-21H212:26:330
500399160,15cyclictest4526-21H212:26:330
500399160,15cyclictest28724-21cstates09:45:150
500399160,15cyclictest13377-21cpuspeed_turbos11:10:150
500399160,15cyclictest12505-21cut10:10:180
500399160,15cyclictest10544-21cpuspeed_turbos12:00:170
500399160,15cyclictest0-21swapper/012:35:160
500399160,15cyclictest0-21swapper/012:10:090
500399160,15cyclictest0-21swapper/011:05:180
500399160,15cyclictest0-21swapper/010:30:020
500399160,15cyclictest0-21swapper/008:55:140
500399160,15cyclictest0-21swapper/008:45:140
500399160,15cyclictest0-21swapper/007:35:170
5003991514,1cyclictest0-21swapper/011:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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