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2026-01-01 - 07:51
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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 Thu Jan 01, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14690229132,217sleep01305-21snmpd19:09:030
148689916642,106cyclictest10250irq/56-4a10000022:47:280
14868991638,135cyclictest10645-21https21:00:070
14868991637,135cyclictest1305-21snmpd00:26:470
14868991629,105cyclictest4028-21apt-get20:32:090
148689916010,110cyclictest17862-21ntp_states19:20:420
14868991599,113cyclictest4264-21munin-run22:40:050
14868991589,110cyclictest27153-21chrt00:10:150
14868991587,15cyclictest13477-21apt-get21:12:090
148689915744,102cyclictest27286-21apt-get20:01:170
148689915712,99cyclictest25154-21fw_forwarded_lo19:50:270
148689915624,116cyclictest787-21haveged19:10:420
148689915618,122cyclictest13492-21apt-get21:10:040
14868991557,127cyclictest754-21systemd-journal23:20:010
14868991556,18cyclictest4260-21apt-get22:42:110
14868991556,130cyclictest551-21/usr/sbin/munin20:20:260
14868991556,128cyclictest8901-21awk22:55:420
14868991548,125cyclictest28908-21date22:10:040
14868991548,104cyclictest22634-21runrttasks19:40:180
14868991537,109cyclictest21400-21sshd23:48:510
14868991536,108cyclictest296872sleep020:06:000
148689915334,100cyclictest6015-21if_eth020:40:290
148689915320,113cyclictest1305-21snmpd22:25:080
14868991528,124cyclictest29602-21/usr/sbin/munin00:20:270
14868991527,105cyclictest15444-21/usr/sbin/munin23:25:530
14868991526,127cyclictest24353-21ntp_states21:50:410
148689915237,103cyclictest19180-21runrttasks21:30:210
148689915226,105cyclictest21118-21sort19:35:030
14868991518,110cyclictest22291-21diskstats23:50:370
148689915132,107cyclictest1408-21nginx20:47:240
148689915126,107cyclictest10250irq/56-4a10000023:44:050
148689915123,108cyclictest10846-21/usr/sbin/munin21:00:110
14868991509,123cyclictest2666-21https22:35:070
14868991508,108cyclictest1305-21snmpd19:29:270
14868991497,20cyclictest15992-21apt-get21:17:070
14868991495,124cyclictest23668-21seq23:55:510
148689914929,105cyclictest10250irq/56-4a10000019:57:170
14868991489,18cyclictest18120-21ntp_states21:25:350
14868991488,19cyclictest31730-21diskstats20:15:240
14868991488,102cyclictest18323-21ntp_states23:35:450
14868991487,103cyclictest29765-21sshd22:12:390
14868991486,121cyclictest8267-21aten_r7power_en20:50:110
148689914854,79cyclictest101ktimersoftd/021:55:420
14868991485,38cyclictest31649-21diskstats22:20:230
14868991485,19cyclictest1385-21systemctl00:35:440
14868991478,107cyclictest22311-21munin-run19:40:020
14868991477,97cyclictest2744-21apt-get20:30:020
14868991477,120cyclictest1276-21runrttasks22:00:290
14868991476,122cyclictest1305-21snmpd00:31:480
148689914710,95cyclictest16690-21df21:20:180
14868991468,125cyclictest30405-21fw_forwarded_lo22:15:280
14868991467,122cyclictest21566-21grep21:40:150
14868991466,14cyclictest9756-21chrt23:00:120
148689914633,101cyclictest16596-21ntpq19:15:420
14868991459,123cyclictest28510-21diskstats00:15:220
14868991457,16cyclictest24895-21memory00:00:340
14868991456,121cyclictest1305-21snmpd20:10:460
148689914536,98cyclictest801-21dbus-daemon23:30:470
14868991449,95cyclictest11914-21fw_forwarded_lo23:10:240
14868991448,18cyclictest1305-21snmpd23:21:300
14868991447,20cyclictest26030-21chrt00:05:210
14868991439,99cyclictest7570-21memory22:50:360
14868991438,94cyclictest4885-21ntp_states20:35:410
14868991438,120cyclictest24380-21sshd19:46:290
14868991427,99cyclictest22748-21wget21:45:130
148689914136,94cyclictest20317-21runrttasks21:35:150
14868991376,119cyclictest11048-21sshd23:05:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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