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2025-06-16 - 20:16
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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 100 highest latencies:
System rackdslot0.osadl.org (updated Mon Jun 16, 2025 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86799263,22cyclictest0-21swapper/107:58:071
86799250,21cyclictest0-21swapper/110:11:261
86799242,21cyclictest14704-21tr09:25:191
867992414,7cyclictest0-21swapper/110:18:141
86799240,23cyclictest6576-21latency_hist11:05:011
86799230,8cyclictest31371-21awk11:45:231
86799230,8cyclictest17837-21tr07:35:181
86799230,2cyclictest268562chrt07:51:301
86799230,22cyclictest18261-21expr08:35:161
86799230,22cyclictest10187-21dpkg11:10:021
86799230,1cyclictest15053-21mailstats10:20:241
86799222,19cyclictest17158-21fschecks_time09:30:201
867992214,7cyclictest0-21swapper/112:30:161
86799221,20cyclictest0-21swapper/109:50:201
86799220,7cyclictest16686-21cat10:25:171
86799220,2cyclictest32392-21python310:55:001
86799220,21cyclictest8201-21grep11:05:181
86799220,21cyclictest7035-21expr08:15:131
86799220,21cyclictest3971-21expr11:55:181
86799220,21cyclictest26780-21expr08:50:191
86799220,21cyclictest23209-21sed07:45:191
86799220,21cyclictest22001-21latency_hist07:45:011
86799220,21cyclictest212292chrt09:36:141
86799220,21cyclictest212292chrt09:36:141
86799220,21cyclictest20015-21ls10:30:201
86799220,21cyclictest1936-21ps11:50:251
86799220,21cyclictest14828-21sed12:15:001
86799220,21cyclictest0-21swapper/109:05:011
86799220,20cyclictest9440-21tr09:15:211
86799220,16cyclictest9387-21awk12:05:141
86799220,16cyclictest8448-21timerandwakeup12:00:251
863992214,4cyclictest0-21swapper/010:15:010
87299216,13cyclictest0-21swapper/211:19:262
87299215,9cyclictest0-21swapper/211:09:242
87299214,8cyclictest0-21swapper/209:14:112
867992113,7cyclictest4593-21H212:26:331
867992113,7cyclictest13048-21/usr/sbin/munin11:15:141
86799211,19cyclictest0-21swapper/110:38:591
86799210,7cyclictest30846-21sed08:55:241
86799210,6cyclictest22554-21awk11:30:201
86799210,6cyclictest21134-21cat11:30:011
86799210,2cyclictest454-21plymouthd08:23:441
86799210,2cyclictest29805-21cut10:50:001
86799210,20cyclictest6002-21expr09:10:181
86799210,20cyclictest5390-21cat10:05:151
86799210,20cyclictest377-21cut09:55:191
86799210,20cyclictest30566-21expr10:50:161
86799210,20cyclictest2617-21awk07:10:181
86799210,20cyclictest24100-21dpkg11:35:011
86799210,20cyclictest0-21swapper/112:35:171
86799210,20cyclictest0-21swapper/110:00:171
86799210,20cyclictest0-21swapper/108:25:171
86799210,20cyclictest0-21swapper/108:05:161
86799210,20cyclictest0-21swapper/108:00:131
86799210,20cyclictest0-21swapper/107:30:121
86799210,20cyclictest0-21swapper/107:15:161
86799210,1cyclictest21888-21latency08:40:201
86799210,1cyclictest0-21swapper/112:20:171
86799210,1cyclictest0-21swapper/111:40:221
86799210,1cyclictest0-21swapper/109:45:171
86799210,1cyclictest0-21swapper/109:09:011
86799210,1cyclictest0-21swapper/107:25:161
86799210,1cyclictest0-21swapper/107:20:001
86799210,16cyclictest16366-21awk12:15:231
86799210,0cyclictest0-21swapper/110:40:161
87299200,18cyclictest15069-21nfsd409:25:202
867992014,5cyclictest0-21swapper/109:40:171
86799200,19cyclictest17204-21ntpq11:20:221
86799200,19cyclictest0-21swapper/108:45:251
86799200,19cyclictest0-21swapper/108:45:251
86799200,19cyclictest0-21swapper/108:10:211
86799200,15cyclictest0-21swapper/108:30:181
863992018,1cyclictest9-21ksoftirqd/011:05:000
863992017,1cyclictest101rcuc/009:37:540
863992017,1cyclictest101rcuc/009:37:540
863992012,4cyclictest0-21swapper/008:17:280
87299193,15cyclictest0-21swapper/207:40:542
87299192,16cyclictest9646-21chrt07:23:202
872991917,1cyclictest17850-21ntp_kernel_pll_07:35:192
872991916,2cyclictest3350-21master09:48:152
872991916,2cyclictest0-21swapper/212:23:062
872991914,1cyclictest0-21swapper/209:50:172
87299190,2cyclictest4532-21H212:26:332
87299190,2cyclictest4530-21H212:26:332
87299190,16cyclictest4526-21H212:26:332
86799190,18cyclictest0-21swapper/109:20:231
86399192,16cyclictest9-21ksoftirqd/009:30:000
863991917,1cyclictest101rcuc/009:41:290
863991917,1cyclictest0-21swapper/007:17:530
86399190,18cyclictest0-21swapper/009:46:170
86399190,17cyclictest4534-21H212:26:330
86399190,17cyclictest2049-21systemd-journal10:25:170
86399190,16cyclictest4593-21H212:26:330
87299182,15cyclictest0-21swapper/207:18:032
872991816,1cyclictest28-21ksoftirqd/207:10:312
872991816,1cyclictest0-21swapper/209:38:042
872991816,1cyclictest0-21swapper/209:38:032
872991816,1cyclictest0-21swapper/209:09:132
872991814,3cyclictest4532-21H212:26:332
872991814,3cyclictest0-21swapper/211:51:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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