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2025-04-03 - 11:36
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Wed Apr 02, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338827200,12sleep03389-21aten_r7power_cu07:05:130
45399915775,23cyclictest7150-21apt-get07:18:130
45399915182,48cyclictest1336-21runrttasks12:30:420
45399914974,19cyclictest14647-21open_inodes10:15:440
45399914776,47cyclictest20157-21latency_hist08:15:020
45399914765,23cyclictest17842-21apt-get08:06:130
45399914576,22cyclictest11277-21diskstats10:00:220
45399914474,33cyclictest16342-21/usr/sbin/munin12:35:200
45399914472,51cyclictest1336-21runrttasks09:48:310
45399914456,38cyclictest9313-21apt-get07:32:050
45399914374,36cyclictest23680-21diskstats08:30:260
45399914370,53cyclictest16521-21runrttasks07:59:320
45399914279,44cyclictest14759-21mailstats07:50:410
45399914275,50cyclictest18866-21diskstats10:35:240
45399914270,32cyclictest9436-21apt-config07:30:070
45399914185,44cyclictest7421-21diskstats12:00:240
45399914181,46cyclictest30928-21ntp_states11:25:420
45399914180,37cyclictest1356-21snmpd09:40:490
45399914173,35cyclictest5755-21http07:15:030
45399914168,19cyclictest485-21seq11:32:160
45399914075,24cyclictest11060-21/usr/sbin/munin07:35:150
45399914069,53cyclictest10933-21latency_hist10:00:030
45399913989,38cyclictest23708-21vmstat10:56:000
45399913977,41cyclictest4794-21/usr/sbin/munin09:30:160
45399913976,22cyclictest14109-21latency_hist10:15:020
45399913975,22cyclictest760-21systemd-journal12:29:550
45399913970,32cyclictest22570-21/usr/sbin/munin08:25:310
45399913882,35cyclictest1721-21/usr/sbin/munin09:15:480
45399913881,38cyclictest25952-21seq11:05:410
45399913877,30cyclictest1356-21snmpd11:36:090
45399913873,47cyclictest4146-21runrttasks09:26:150
45399913872,16cyclictest8635-21df12:05:190
45399913869,31cyclictest30433-21wget09:00:150
45399913782,41cyclictest11710-21apt-get12:17:070
45399913773,47cyclictest30206-21seq11:23:150
45399913772,22cyclictest12934-21awk07:40:510
45399913770,49cyclictest18232-21sshd10:32:260
45399913687,37cyclictest1356-21snmpd09:50:210
45399913685,39cyclictest2781-21ntp_states09:20:410
45399913673,24cyclictest17059-21chrt10:27:590
45399913584,38cyclictest21715-21munin-plugin-st10:50:010
45399913583,40cyclictest24917-21sshd08:35:260
45399913581,40cyclictest28797-21apt-get11:17:110
45399913580,38cyclictest24900-21grep11:00:470
45399913484,38cyclictest4951-21sshd11:50:260
45399913484,38cyclictest26794-21/usr/sbin/munin11:10:420
45399913484,37cyclictest1356-21snmpd08:55:480
45399913472,20cyclictest12637-21seq10:08:010
45399913383,38cyclictest21040-21apt-get08:17:110
45399913383,38cyclictest1356-21snmpd09:08:460
45399913383,36cyclictest25961-21/usr/sbin/munin08:40:160
45399913378,37cyclictest1336-21runrttasks12:20:310
45399913377,38cyclictest6314-21/usr/sbin/munin11:55:430
45399913371,46cyclictest28581-21runrttasks08:51:300
45399913283,38cyclictest32569-21awk09:10:250
45399913283,35cyclictest3838-21/usr/sbin/munin11:45:430
45399913282,38cyclictest9708-21/usr/sbin/munin12:10:480
45399913273,40cyclictest15498-21/usr/sbin/munin10:20:430
45399913261,51cyclictest16724-21/usr/sbin/munin08:00:350
45399913182,38cyclictest22228-21chrt10:50:390
45399913173,18cyclictest2540-21irqstats11:40:310
45399913082,38cyclictest760-21systemd-journal07:24:240
45399913081,38cyclictest6382-21chrt09:38:520
45399913073,39cyclictest22110-21latency_hist08:25:030
45399912779,36cyclictest27762-21latency_hist08:50:020
45399912676,40cyclictest20458-21mailstats10:40:460
45399912176,35cyclictest13596-21runrttasks07:45:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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