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2025-12-06 - 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 100 highest latencies:
System rackdslot0.osadl.org (updated Sat Dec 06, 2025 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1205499250,1cyclictest4530-21H212:26:332
1205499243,20cyclictest4536-21H212:26:332
1204999240,9cyclictest27015-21pluginstate12:20:000
1205499233,5cyclictest0-21swapper/212:35:472
1205499232,2cyclictest3812-21missed_timers07:50:192
12054992317,5cyclictest0-21swapper/208:15:252
1205499230,2cyclictest12738-21expr07:10:152
1205499230,22cyclictest0-21swapper/208:14:052
1205499230,1cyclictest0-21swapper/207:38:332
1204999230,5cyclictest0-21swapper/011:10:310
12054992214,7cyclictest24079-21cat09:25:012
1205499221,1cyclictest0-21swapper/211:35:152
1205499221,1cyclictest0-21swapper/207:26:482
1205499220,2cyclictest29942-21latency10:30:192
1205499220,2cyclictest27382-21expr09:30:192
1205499220,2cyclictest27070-21cat12:20:002
1205499220,2cyclictest21278-21proc_pri08:20:202
1205499220,2cyclictest19083-21grep07:20:182
1205499220,2cyclictest11840-21ntpq11:50:182
1205499220,21cyclictest8092-21expr11:45:162
1205499220,21cyclictest723-21df_inode09:40:152
1205499220,20cyclictest0-21swapper/210:10:142
1205499220,1cyclictest179472chrt09:10:472
1205499220,1cyclictest0-21swapper/209:05:232
1205499220,1cyclictest0-21swapper/209:00:232
1205499220,1cyclictest0-21swapper/208:05:162
1205499220,1cyclictest0-21swapper/207:30:232
1205499220,18cyclictest0-21swapper/209:55:282
1205499220,18cyclictest0-21swapper/208:29:522
1205499220,16cyclictest30670-21latency_hist08:40:012
1205499220,16cyclictest21111-21cat10:15:152
1205499210,2cyclictest886-21grep07:45:192
1205499210,2cyclictest7782-21munin-run10:50:012
1205499210,2cyclictest4530-21H212:26:332
1205499210,2cyclictest32140-21ls10:35:152
1205499210,2cyclictest20396-21switchtime12:05:232
1205499210,20cyclictest4581-21H212:26:332
1205499210,20cyclictest30346-21grep09:35:172
1205499210,20cyclictest2350-21awk12:30:202
1205499210,20cyclictest0-21swapper/211:00:212
1205499210,20cyclictest0-21swapper/210:00:012
1205499210,1cyclictest30921-21apache_volume08:40:132
1205499210,1cyclictest0-21swapper/212:25:202
1205499210,1cyclictest0-21swapper/211:25:362
1205499210,1cyclictest0-21swapper/210:50:152
1205499210,1cyclictest0-21swapper/210:25:152
1205499210,1cyclictest0-21swapper/209:50:022
1205499210,16cyclictest14550-21grep11:55:192
1205499210,16cyclictest14550-21grep11:55:182
12050992112,6cyclictest0-21swapper/109:10:341
12054992014,5cyclictest5969-21apt-get07:55:152
12054992014,5cyclictest0-21swapper/208:50:252
12054992014,5cyclictest0-21swapper/208:00:122
12054992013,6cyclictest25999-21http_loadtime08:30:182
12054992013,6cyclictest25999-21http_loadtime08:30:182
12054992012,7cyclictest28407-21awk12:20:152
12054992012,7cyclictest28407-21awk12:20:152
1205499200,2cyclictest4530-21H212:26:332
1205499200,2cyclictest2868-21expr10:40:162
1205499200,1cyclictest0-21swapper/211:30:192
1205499200,1cyclictest0-21swapper/210:55:252
1205499200,1cyclictest0-21swapper/210:05:152
1205499200,1cyclictest0-21swapper/209:45:142
1205499200,1cyclictest0-21swapper/209:25:162
1205499200,1cyclictest0-21swapper/208:55:202
1205499200,16cyclictest4581-21H212:26:332
1205499200,15cyclictest1600-21ls08:45:162
1205099200,5cyclictest0-21swapper/109:16:031
12049992016,3cyclictest0-21swapper/008:50:240
12049992015,5cyclictest0-21swapper/008:40:010
1205499190,1cyclictest0-21swapper/210:20:192
1205499190,18cyclictest0-21swapper/212:00:162
1205499190,18cyclictest0-21swapper/211:40:012
1205499190,0cyclictest0-21swapper/207:40:132
12050991916,2cyclictest4528-21H212:26:331
1205099190,16cyclictest4581-21H212:26:331
1205099190,16cyclictest4530-21H212:26:331
1204999193,15cyclictest0-21swapper/008:14:190
12049991916,2cyclictest4593-21H212:26:330
12049991914,2cyclictest4523-21H212:26:330
1204999190,18cyclictest0-21swapper/009:04:010
1204999190,16cyclictest4538-21H212:26:330
1204999190,16cyclictest4523-21H212:26:330
12050991814,3cyclictest7296-21snapd10:56:491
12050991814,3cyclictest10146-21uname09:55:171
12050991813,4cyclictest0-21swapper/110:14:181
1205099181,16cyclictest4594-21H212:26:331
1205099180,4cyclictest0-21swapper/111:02:071
1205099180,3cyclictest4526-21H212:26:331
1205099180,2cyclictest4530-21H212:26:331
1205099180,2cyclictest4526-21H212:26:331
1205099180,2cyclictest4526-21H212:26:331
1205099180,2cyclictest4526-21H212:26:331
1205099180,17cyclictest4581-21H212:26:331
1205099180,15cyclictest4593-21H212:26:331
1205099180,15cyclictest4532-21H212:26:331
1204999183,1cyclictest9-21ksoftirqd/007:13:010
12049991816,1cyclictest0-21swapper/007:55:140
12049991815,2cyclictest22573-21expr11:15:130
12049991814,3cyclictest4593-21H212:26:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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