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2026-09-22 - 23:29
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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 Tue Sep 22, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145482928159,434sleep013967-21kworker/0:319:05:180
155399914060,61cyclictest15798-21seq21:15:310
155399913460,53cyclictest754-21systemd-journal20:04:300
155399913449,33cyclictest10527-21ntp_states20:55:410
155399913345,33cyclictest28237-21apt-get22:07:090
155399913157,36cyclictest13754-21apt21:10:010
155399912959,36cyclictest24965-21irqstats21:50:550
155399912854,57cyclictest21612-21chrt21:40:000
155399912752,36cyclictest26984-21munin-run22:00:020
155399912749,41cyclictest31346-21ntp_states20:10:430
155399912671,36cyclictest22477-21if_err_eth019:35:270
155399912668,39cyclictest24608-21cron19:45:000
155399912661,46cyclictest7238-21sshd22:48:290
155399912551,55cyclictest879-21apt-get20:22:110
155399912379,34cyclictest9090-21runrttasks20:50:200
155399912355,46cyclictest14027-21touch21:10:130
155399912355,32cyclictest28337-21munin-run20:00:020
155399912352,53cyclictest17939-21sshd19:16:300
155399912350,36cyclictest11679-21ntp_states23:05:420
155399912261,41cyclictest1408-21nginx21:47:070
155399912258,45cyclictest19672-21awk21:30:440
155399912249,19cyclictest754-21systemd-journal22:23:290
155399912245,38cyclictest433-21seq20:16:380
155399912164,44cyclictest1305-21snmpd23:48:440
155399912154,47cyclictest1305-21snmpd19:50:280
155399912061,44cyclictest1305-21snmpd00:33:540
155399912053,48cyclictest14904-21systemctl23:20:010
155399912053,26cyclictest1305-21snmpd20:45:150
155399912048,35cyclictest21805-21wget21:40:120
155399912046,38cyclictest32611-21seq00:28:360
155399912043,37cyclictest4028-21wget20:30:190
155399911974,33cyclictest16702-21users19:11:360
155399911960,21cyclictest21177-21https23:45:050
155399911951,47cyclictest12915-21ntp_states23:10:440
155399911947,34cyclictest10139-21wget23:00:330
155399911946,37cyclictest18402-21runrttasks21:25:390
155399911874,35cyclictest24853-21cpu19:45:150
155399911870,37cyclictest24559-21runrttasks23:55:460
155399911857,39cyclictest16281-21/usr/sbin/munin23:25:290
155399911855,21cyclictest801-21dbus-daemon19:30:000
155399911853,49cyclictest1305-21snmpd22:40:010
155399911852,46cyclictest1276-21runrttasks22:25:240
155399911833,33cyclictest5337-21df20:35:170
155399911753,47cyclictest31276-21wget22:15:150
155399911748,34cyclictest7533-21munin-node22:50:070
155399911668,37cyclictest19882-21apt23:40:010
155399911660,18cyclictest2682-21aten_r7power_cu20:25:120
155399911656,46cyclictest29763-21wget20:05:140
155399911652,49cyclictest30038-21wget22:10:150
155399911650,47cyclictest8785-21/usr/sbin/munin22:55:350
155399911573,34cyclictest30425-21/usr/sbin/munin00:20:320
155399911571,33cyclictest17033-21if_err_eth021:20:290
155399911543,34cyclictest18899-21ntp_states19:20:400
155399911460,38cyclictest2994-21proc_pri22:30:460
155399911452,23cyclictest27115-21/usr/sbin/munin22:00:480
155399911452,21cyclictest17728-21diskstats23:30:230
155399911447,48cyclictest28310-21runrttasks00:10:420
155399911447,47cyclictest2544-21ntp_states00:35:420
155399911370,33cyclictest6489-21aten_r7power_po20:40:140
155399911359,37cyclictest1305-21snmpd23:23:390
155399911353,20cyclictest11843-21grep21:00:420
155399911348,47cyclictest1305-21snmpd23:53:450
155399911242,35cyclictest1305-21snmpd22:44:310
155399911241,34cyclictest29360-21diskstats00:15:220
155399910960,39cyclictest27043-21ntp_states00:05:410
155399910946,23cyclictest25595-21df00:00:170
155399910844,31cyclictest1305-21snmpd19:32:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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