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2026-04-05 - 22:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sun Apr 05, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13728224002167,180sleep00-21swapper07:06:370
139319910514,69cyclictest7443-21ssh10:54:490
139319910219,24cyclictest15136-21munin-run11:18:110
139319910217,23cyclictest8526-21fw_conntrack09:24:120
139319910216,24cyclictest5552-21fw_conntrack12:24:120
139319910212,26cyclictest10731-21ssh11:04:390
139319910119,61cyclictest2342-21ntp_states12:14:400
139319910114,65cyclictest29460-21irqstats11:59:190
139319910031,58cyclictest0-21swapper09:50:260
139319910019,59cyclictest5874-21users10:49:580
139319910016,62cyclictest5124-21irqstats09:14:190
139319910015,63cyclictest23590-21latency_hist10:08:160
139319910015,48cyclictest1690-21snmpd12:33:290
139319910014,49cyclictest22378-21ssh11:38:470
139319910010,27cyclictest31052-21missed_timers10:29:330
13931999920,60cyclictest11914-21df_inode09:33:590
13931999915,22cyclictest29189-21ssh10:24:160
13931999817,61cyclictest17694-21irqstats07:28:550
13931999816,45cyclictest32318-21munin-run12:08:090
13931999814,21cyclictest13946-21ntp_states09:39:410
13931999813,52cyclictest26490-21wget08:18:340
13931999812,24cyclictest13001-21ssh11:11:100
13931999811,26cyclictest17132-21wget11:23:420
13931999735,45cyclictest0-21swapper10:00:330
13931999734,46cyclictest0-21swapper07:24:000
13931999731,50cyclictest0-21swapper11:45:100
13931999716,61cyclictest27658-21fw_conntrack11:54:070
13931999716,23cyclictest25607-21df10:13:540
13931999716,20cyclictest10117-21df09:28:510
13931999715,61cyclictest24151-21memory10:09:280
13931999715,43cyclictest18799-21df_inode09:54:020
13931999714,45cyclictest15609-21df_inode11:19:010
13931999714,44cyclictest19061-21sendmail07:38:100
13931999712,68cyclictest32435-21apt-get12:08:300
1393199969,23cyclictest4247-21grep12:19:490
13931999617,58cyclictest30381-21memory08:38:570
13931999617,58cyclictest20874-21irqstats11:34:240
13931999617,42cyclictest32486-21df10:33:530
13931999617,24cyclictest15413-21fw_conntrack09:44:100
13931999614,64cyclictest26217-21users08:14:170
13931999611,25cyclictest3538-21df_abs10:43:560
13931999543,37cyclictest9203-21timerandwakeup10:59:500
13931999515,21cyclictest997-21munin-run08:58:100
13931999514,59cyclictest14831-21munin-run07:13:110
13931999511,48cyclictest18695-21ssh11:28:210
13931999417,36cyclictest1887-21fw_conntrack10:39:080
13931999412,62cyclictest6861-21kworker/u2:112:28:160
13931999412,44cyclictest6592-21cpu09:18:450
13931999411,24cyclictest27108-21ssh10:18:340
13931999313,42cyclictest2793-21users09:04:170
13931999312,60cyclictest2954-21/usr/sbin/munin09:09:560
13931999311,60cyclictest20940-21cat07:48:140
13931999310,64cyclictest25579-21ssh11:48:260
13931999216,55cyclictest23062-21fw_conntrack07:58:490
13931999215,57cyclictest1113-21apt-get08:58:250
13931999210,61cyclictest25376-21latency_hist08:13:120
13931999018,23cyclictest15836-21df_inode07:18:440
13931999016,57cyclictest15388-21irqstats07:13:390
13931998918,23cyclictest28503-21irqstats08:28:510
13931998917,23cyclictest22069-21df07:53:400
13931998912,28cyclictest20053-21wc07:43:140
13931998818,21cyclictest21231-21df_inode07:48:450
13931998816,23cyclictest23961-21fw_conntrack08:03:490
13931998815,24cyclictest31145-21df_inode08:43:430
13931998718,22cyclictest29274-21df08:33:400
13931998713,28cyclictest28093-21grep08:28:120
13931998712,26cyclictest32239-21ntp_states08:49:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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