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2026-05-29 - 20:06
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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 Fri May 29, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30155221021,50sleep00-21swapper/019:08:320
303989913748,34cyclictest19811-21df20:35:170
303989913547,39cyclictest32127-21ntp_states23:35:410
303989913156,55cyclictest1305-21snmpd19:20:170
303989913059,36cyclictest21852-21fw_conntrack22:50:240
303989913056,23cyclictest4321-21munin-run00:00:020
303989912951,42cyclictest13427-21sshd22:18:210
303989912854,54cyclictest1276-21runrttasks23:16:050
303989912847,47cyclictest11662-21ntp_states22:10:420
303989912662,43cyclictest1408-21nginx20:58:040
303989912648,40cyclictest28370-21wget21:10:140
303989912550,37cyclictest32116-21ntp_states19:15:420
303989912451,51cyclictest17368-21apt-get22:36:400
303989912448,36cyclictest11426-21munin-run00:35:010
303989912447,41cyclictest8375-21/usr/sbin/munin19:50:350
303989912352,32cyclictest2010-21node21:38:130
303989912347,22cyclictest754-21systemd-journal23:53:410
303989912261,41cyclictest30883-21wget21:20:110
303989912259,45cyclictest5100-21wget21:45:130
303989912249,37cyclictest10039-21ntp_states00:26:010
303989912249,20cyclictest23568-21diskstats20:50:230
303989912158,42cyclictest25949-21grep21:00:150
303989912147,36cyclictest27485-21ntp_states21:05:410
303989912139,32cyclictest9154-21apt-get19:57:100
303989912072,37cyclictest6650-21fw_forwarded_lo00:10:280
303989911948,52cyclictest13769-21/usr/sbin/munin22:20:120
303989911946,21cyclictest11424-21apt-get00:35:470
303989911936,40cyclictest7867-21apt-get00:17:070
303989911845,53cyclictest8424-21wget00:20:100
303989911774,33cyclictest5860-21sshd00:06:220
303989911761,40cyclictest754-21systemd-journal22:28:220
303989911759,38cyclictest11128-21diskstats20:00:220
303989911750,49cyclictest17382-21http22:35:030
303989911750,46cyclictest1305-21snmpd23:23:310
303989911748,54cyclictest21499-21apt22:50:000
303989911663,41cyclictest21486-21users20:40:480
303989911655,46cyclictest1305-21snmpd23:28:390
303989911649,50cyclictest1305-21snmpd20:07:520
303989911643,33cyclictest19217-21wget22:40:150
303989911592,13cyclictest0-21swapper/019:10:030
303989911571,36cyclictest26812-21diskstats23:10:230
303989911569,37cyclictest7508-21runrttasks21:55:060
303989911569,35cyclictest8977-21seq22:00:190
303989911547,35cyclictest1305-21snmpd22:08:230
303989911542,55cyclictest29895-21netstat21:15:340
303989911542,36cyclictest5151-21sshd19:37:470
303989911461,40cyclictest387-21memory21:26:030
303989911457,36cyclictest13426-21aten_r7power_en20:10:130
303989911452,41cyclictest24513-21ntp_states23:00:390
303989911371,31cyclictest23632-21runrttasks22:57:070
303989911364,39cyclictest14677-21chrt20:15:130
303989911351,43cyclictest22231-21wget20:45:130
303989911343,51cyclictest7402-21latency_hist21:55:020
303989911271,30cyclictest2209-21ntpq19:25:390
303989911262,37cyclictest5552-21/usr/sbin/munin19:40:510
303989911252,21cyclictest801-21dbus-daemon21:45:000
303989911251,46cyclictest5455-21runrttasks00:03:460
303989911251,46cyclictest31451-21seq23:33:400
303989911251,22cyclictest18783-21ntp_states20:30:410
303989911246,51cyclictest3111-21wget19:30:140
303989911168,34cyclictest25542-21cpuspeed23:05:220
303989911068,33cyclictest17646-21ps20:25:420
303989911066,33cyclictest16513-21runrttasks20:20:490
303989911046,30cyclictest754-21systemd-journal23:43:380
303989910858,39cyclictest1671-21ntpq21:30:380
303989910553,41cyclictest6991-21df_inode19:45:200
303989910356,33cyclictest2225-21sshd23:48:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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