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2026-07-12 - 12:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Sat Jul 11, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3860216620,123sleep03892-21cat07:10:020
390499128102,15cyclictest0-21swapper/007:10:030
39049912155,47cyclictest23074-21/usr/sbin/munin08:25:150
39049911137,55cyclictest10979-21/usr/sbin/munin09:45:450
39049911044,47cyclictest13517-21wget09:55:140
39049910942,46cyclictest1408-21nginx11:35:240
39049910867,31cyclictest25177-21runrttasks10:38:500
39049910831,21cyclictest22024-21apt-get12:37:100
39049910776,21cyclictest31524-21runrttasks08:55:500
39049910738,20cyclictest15710-21diskstats12:10:480
39049910734,20cyclictest15840-21apt-get10:06:290
39049910729,47cyclictest25950-21ntp_states08:35:440
39049910632,38cyclictest2270-21wget09:10:120
39049910624,24cyclictest22458-21apt-get10:32:130
39049910556,37cyclictest27986-21apt-get08:42:140
39049910534,18cyclictest32571-21ntp_states09:00:410
39049910523,33cyclictest1164-21df09:05:180
39049910454,35cyclictest1408-21nginx11:40:250
39049910429,36cyclictest22219-21ntp_states08:20:390
39049910370,22cyclictest16924-21seq12:15:210
39049910362,32cyclictest30635-21df_inode11:00:210
39049910355,39cyclictest19964-21munin-run10:20:020
39049910339,22cyclictest21540-21diskstats10:25:220
39049910332,30cyclictest1408-21nginx07:55:510
39049910331,36cyclictest28750-21memory08:45:340
39049910329,36cyclictest21810-21sshd12:33:180
39049910270,22cyclictest28117-21cpuspeed10:50:190
39049910255,36cyclictest32722-21sshd11:09:250
39049910133,48cyclictest20210-21wget10:20:150
39049910120,33cyclictest4758-21/usr/sbin/munin09:20:310
39049910030,20cyclictest10140-21ntp_states09:40:420
39049910026,36cyclictest14223-21gpgconf07:50:160
3904999959,31cyclictest6530-21cut07:20:110
3904999928,37cyclictest10431-21diskstats07:35:220
3904999927,19cyclictest7449-21diskstats09:30:240
3904999927,19cyclictest29364-21df10:55:190
3904999925,35cyclictest27625-21sshd10:48:250
3904999853,35cyclictest14214-21/usr/sbin/munin12:05:440
3904999829,32cyclictest12113-21ntp_states11:55:420
3904999828,32cyclictest25700-21fw_forwarded_lo10:40:280
3904999827,35cyclictest6624-21chrt09:25:510
3904999826,37cyclictest12957-21fw_conntrack07:45:270
3904999826,19cyclictest10704-21diskstats11:50:310
3904999769,19cyclictest6017-21runrttasks07:17:100
3904999754,34cyclictest8566-21aten_r7power_po09:35:140
3904999754,33cyclictest18000-21runrttasks12:20:150
3904999731,33cyclictest693-21diskstats11:10:410
3904999638,39cyclictest0-21swapper/010:11:020
3904999624,19cyclictest9425-21df11:45:160
3904999566,21cyclictest20423-21latency_hist12:30:040
3904999564,22cyclictest13389-21runrttasks12:00:510
3904999563,23cyclictest5743-21seq11:30:280
3904999534,46cyclictest29780-21/usr/sbin/munin08:50:150
3904999533,30cyclictest12558-21awk09:50:340
3904999532,44cyclictest12033-21/usr/sbin/munin07:40:470
3904999526,32cyclictest18685-21/usr/sbin/munin08:05:500
3904999449,37cyclictest14720-21/usr/sbin/munin10:00:120
3904999445,38cyclictest4470-21diskstats11:25:240
3904999425,33cyclictest1305-21snmpd07:30:040
3904999363,22cyclictest17709-21runrttasks08:02:520
3904999331,22cyclictest4712-21cat09:20:040
3904999319,21cyclictest2513-21apt-get11:17:050
3904999248,33cyclictest1276-21runrttasks11:20:410
3904999244,37cyclictest20563-21/usr/sbin/munin08:15:300
3904999228,33cyclictest24543-21fw_conntrack08:30:250
3904999126,50cyclictest8994-21cut07:30:130
3904999123,32cyclictest20303-21chrt08:13:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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