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2026-05-06 - 06:15
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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 Tue May 05, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1668126880,14sleep016680-21cpu07:05:150
177439915161,35cyclictest23557-21df09:45:180
177439914857,35cyclictest2040-21apt-get10:32:100
177439913745,35cyclictest1299-21apt-get08:18:210
177439913562,19cyclictest7577-21ntp_states08:40:410
177439913464,29cyclictest805-21rs:main0
177439913459,21cyclictest32722-21apt-get12:32:130
177439913455,39cyclictest22422-21irqstats09:40:310
177439913361,34cyclictest1305-21snmpd12:17:080
177439913267,45cyclictest15981-21wget09:15:140
177439913259,37cyclictest1276-21runrttasks12:28:440
177439913258,21cyclictest20262-21seq07:17:240
177439913251,24cyclictest4179-21apt-get08:32:080
1774399130102,17cyclictest0-21swapper/007:10:040
177439912961,49cyclictest10445-21wget11:00:210
177439912959,49cyclictest28401-21runrttasks10:05:140
177439912958,34cyclictest1305-21snmpd09:21:270
177439912956,36cyclictest25376-21wget12:00:130
177439912952,37cyclictest32325-21fw_conntrack10:20:250
177439912866,44cyclictest11082-21df08:55:180
177439912863,46cyclictest31224-21awk10:15:410
177439912859,50cyclictest29467-21http08:00:060
177439912855,35cyclictest1305-21snmpd07:25:560
177439912760,32cyclictest27414-21memory10:00:330
177439912758,50cyclictest14659-21wget09:10:130
177439912659,49cyclictest17027-21ntp_states11:25:440
177439912658,49cyclictest1621-21sshd10:26:350
177439912562,21cyclictest6615-21sshd08:36:260
177439912559,47cyclictest754-21systemd-journal10:40:350
177439912555,32cyclictest1408-21nginx07:49:110
177439912554,37cyclictest10032-21ntp_offset08:50:370
177439912553,35cyclictest19499-21ntp_states11:35:390
177439912552,35cyclictest12540-21ntp_states09:00:390
177439912462,41cyclictest30861-21diskstats08:05:230
177439912460,45cyclictest11675-21aten_r7power_cu11:05:240
177439912452,19cyclictest23404-21diskstats07:30:230
177439912361,20cyclictest29892-21memory10:10:340
177439912358,20cyclictest6665-21ntp_states10:45:400
177439912354,48cyclictest26078-21sshd09:55:260
177439912351,32cyclictest9176-21wget10:55:190
177439912350,36cyclictest3970-21/usr/sbin/munin10:35:170
177439912258,44cyclictest20950-21grep09:35:130
177439912158,43cyclictest14202-21cut11:15:270
177439912158,22cyclictest8620-21diskstats08:45:210
177439912151,52cyclictest12874-21munin-node11:10:100
177439912145,37cyclictest1996-21df08:20:170
177439912074,35cyclictest1408-21nginx09:25:140
177439912071,37cyclictest2010-21node09:30:150
177439912050,33cyclictest23148-21irqstats11:50:310
177439912045,36cyclictest3172-21latency_hist12:40:040
177439911975,34cyclictest26581-21/usr/sbin/munin12:05:390
177439911965,40cyclictest1408-21nginx09:54:360
177439911961,46cyclictest24291-21df11:55:250
177439911949,50cyclictest22640-21seq11:49:180
177439911854,48cyclictest0-21swapper/008:11:070
177439911847,37cyclictest21034-21sshd11:41:100
177439911765,41cyclictest24670-21cat07:35:270
177439911755,21cyclictest3053-21/usr/sbin/munin08:25:120
177439911753,30cyclictest7812-21irqstats10:50:310
177439911677,28cyclictest1408-21nginx11:30:300
177439911655,42cyclictest25989-21seq07:42:420
177439911653,46cyclictest1408-21nginx07:24:060
177439911640,20cyclictest29436-21apt-get08:01:200
177439911561,42cyclictest15462-21wget11:20:230
177439911556,20cyclictest1608-21ntpd09:05:140
177439911465,38cyclictest28237-21sshd12:10:390
177439911450,22cyclictest28192-21apt07:55:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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