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2026-05-03 - 11:24
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun May 03, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26487224452205,89sleep00-21swapper19:05:020
267259910338,48cyclictest16970-21vmstat22:43:440
267259910118,43cyclictest30158-21ntp_states21:48:250
267259910116,65cyclictest27747-21munin-node19:12:000
267259910116,63cyclictest20146-21irqstats00:28:030
267259910115,24cyclictest26925-21ntp_states23:13:210
267259910112,24cyclictest28126-21ssh23:17:230
267259910110,71cyclictest31238-21/usr/sbin/munin21:53:260
267259910029,54cyclictest21684-21df00:32:350
267259910018,23cyclictest10078-21users22:23:430
267259910016,43cyclictest17200-21users00:18:420
267259910015,65cyclictest26186-21/usr/sbin/munin23:11:560
267259910015,63cyclictest14506-21apt-get00:12:090
267259910014,46cyclictest21108-21latency_hist22:56:590
26725999920,43cyclictest845-21df_inode21:57:420
26725999917,46cyclictest20379-21ssh21:19:450
26725999916,24cyclictest24140-21ssh21:31:240
26725999915,47cyclictest29825-21aten_r5power_en23:22:210
26725999913,26cyclictest2326-21sendmail23:36:510
26725999911,49cyclictest11672-21ssh00:03:190
2672599989,68cyclictest29690-21wc19:22:510
26725999817,42cyclictest2604-21df_inode22:02:470
26725999817,22cyclictest22145-21ssh21:25:000
26725999816,20cyclictest31722-21df23:27:330
26725999813,25cyclictest5284-21ssh22:10:340
26725999812,22cyclictest18930-21/usr/sbin/munin00:23:420
2672599979,26cyclictest29094-21ssh21:45:170
26725999717,42cyclictest6333-21irqstats23:48:010
26725999717,41cyclictest15637-21munin-run21:06:530
26725999716,61cyclictest22092-21users22:58:390
26725999714,63cyclictest1690-21snmpd20:27:040
26725999710,64cyclictest4449-21ssh23:42:350
26725999616,62cyclictest3000-21memory23:38:150
26725999615,62cyclictest17881-21fw_conntrack21:12:580
26725999615,59cyclictest13046-21df00:07:380
26725999614,62cyclictest14551-21df22:37:320
26725999614,42cyclictest18339-21ntp_states22:48:200
26725999614,23cyclictest11226-21fw_conntrack22:27:550
26725999613,45cyclictest12904-21df_inode22:32:420
26725999612,24cyclictest8228-21rm23:53:210
26725999612,24cyclictest10637-21ssh00:00:260
26725999518,58cyclictest0-21swapper22:14:590
26725999515,61cyclictest7140-21memory20:17:410
26725999514,62cyclictest3009-21munin-run19:56:530
26725999513,63cyclictest26357-21df21:37:330
26725999512,62cyclictest30979-21sort19:31:550
26725999511,61cyclictest7871-21irqstats22:18:050
26725999415,59cyclictest9828-21memory20:32:420
26725999413,23cyclictest23223-21df_inode23:02:430
26725999413,20cyclictest24372-21apt-get21:32:090
26725999411,22cyclictest1690-21snmpd20:02:240
26725999316,59cyclictest16353-21ssh21:08:200
26725999316,57cyclictest1289-21munin-node19:47:020
26725999215,19cyclictest27851-21df_inode19:12:050
26725999213,59cyclictest3332-21df19:57:220
26725999210,24cyclictest5974-21awk20:12:160
26725999113,57cyclictest11096-21users20:38:010
26725999112,39cyclictest1029-21switchtime19:43:260
2672599908,64cyclictest12817-21cat20:47:560
26725999010,62cyclictest13135-21cut20:52:150
26725998916,24cyclictest14208-21df_inode20:57:280
26725998913,62cyclictest28420-21cut19:17:140
26725998913,56cyclictest5201-21fw_conntrack20:07:290
26725998912,24cyclictest31820-21vmstat19:33:050
2672599889,29cyclictest32378-21grep19:37:580
26725998815,25cyclictest8110-21ntp_states20:22:450
26725998815,23cyclictest11829-21/usr/sbin/munin20:42:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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