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2026-05-16 - 14:25
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Fri May 15, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8065217925,125sleep08113-21apt-config07:05:090
93929912376,36cyclictest11493-21runrttasks07:17:060
93929911832,26cyclictest24351-21apt-get08:07:150
93929911571,35cyclictest1408-21nginx09:30:200
93929911454,44cyclictest24913-21chrt12:20:180
93929911431,32cyclictest29317-21df12:35:240
93929911347,27cyclictest1408-21nginx07:25:070
93929911243,49cyclictest27087-21irqstats10:25:290
93929911147,47cyclictest20760-21runrttasks10:00:180
93929911139,20cyclictest32695-21/usr/sbin/munin08:40:430
93929911067,34cyclictest14743-21interrupts07:30:290
93929911037,21cyclictest22823-21apt-get12:15:370
93929911035,55cyclictest1285-21lldpd07:37:500
93929911032,39cyclictest4718-21apt-get09:01:300
93929910967,33cyclictest15368-21aten_r7power_en09:40:140
93929910944,33cyclictest15078-21/usr/sbin/munin09:40:060
93929910932,58cyclictest1305-21snmpd07:51:070
93929910855,35cyclictest28091-21runrttasks12:30:280
93929910835,42cyclictest1305-21snmpd10:11:440
93929910756,34cyclictest5059-21aten_r7power_vo11:05:170
93929910733,37cyclictest29740-21grep08:30:040
93929910633,36cyclictest1305-21snmpd09:51:400
93929910633,19cyclictest31976-21diskstats10:45:220
93929910632,39cyclictest19692-21ntp_states09:55:380
93929910456,38cyclictest22096-21ntp_states12:10:420
93929910447,37cyclictest1080-21/usr/sbin/munin08:45:120
93929910437,30cyclictest21586-21munin-run12:10:010
93929910434,30cyclictest2010-21node08:00:120
93929910433,22cyclictest31211-21df08:35:180
93929910370,23cyclictest22148-21nfs_client10:05:350
93929910362,31cyclictest17550-21aten_r7power_cu11:55:090
93929910356,37cyclictest2379-21cut08:50:110
93929910355,38cyclictest266442chrt08:15:470
93929910338,46cyclictest1305-21snmpd11:00:070
93929910337,35cyclictest11909-21mailstats11:30:460
93929910319,32cyclictest17021-21df09:45:180
172721030,7sleep01725-21ls10:55:030
93929910243,20cyclictest9730-21apt-get09:17:100
93929910241,40cyclictest18387-21runrttasks07:45:180
93929910233,17cyclictest30924-21ntp_states10:40:410
93929910229,37cyclictest26595-21ntp_states12:25:380
93929910156,34cyclictest29785-21/usr/sbin/munin08:30:200
93929910138,31cyclictest1305-21snmpd08:10:160
93929910138,21cyclictest16510-21diskstats11:50:180
93929910137,22cyclictest9679-21diskstats07:10:210
93929910135,32cyclictest4715-21latency_hist09:00:070
93929910134,46cyclictest24539-21chrt10:15:290
93929910134,34cyclictest1305-21snmpd07:21:020
93929910130,37cyclictest1305-21snmpd09:26:320
93929910123,21cyclictest2963-21apt-get11:02:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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