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2026-09-08 - 04:39
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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 all highest latencies:
System rack4slot2.osadl.org (updated Tue Sep 08, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a10000031181-21runrttasks19:05:490
317099910182,0cyclictest26068-21/usr/sbin/munin20:25:210
31709999973,0cyclictest5965-21mailstats21:00:460
31709999878,0cyclictest22695-21tune2fs23:25:180
31709999872,0cyclictest8596-21latency_hist00:19:530
31709999776,0cyclictest8569-21munin-node22:44:590
31709999775,0cyclictest9897-21runrttasks21:13:160
31709999675,0cyclictest3695-21df_inode20:55:090
31709999475,0cyclictest22660-21fw_forwarded_lo21:50:210
31709999475,0cyclictest14221-21latency21:25:260
31709999475,0cyclictest14152-21irqstats19:50:270
31709999276,0cyclictest29969-21grep23:45:420
31709999275,0cyclictest32270-21fw_conntrack19:10:200
31709999274,0cyclictest429-21fschecks_time22:20:170
31709999274,0cyclictest31349-21meminfo22:15:290
31709999274,0cyclictest1993-21diskstats20:50:100
31709999273,0cyclictest21812-21sshd20:13:030
31709999272,0cyclictest19837-21users20:05:510
31709999272,0cyclictest16357-21head19:55:460
31709999271,0cyclictest461-21runrttasks21:24:480
31709999174,0cyclictest22480-21diskstats20:15:120
31709999172,0cyclictest8556-21latency_hist00:19:520
31709999171,0cyclictest28043-21ntp_states22:05:380
31709999073,0cyclictest782-21/usr/sbin/munin23:55:420
31709999073,0cyclictest18139-21users21:35:480
31709999073,0cyclictest1155-21munin-node19:15:070
31709999072,0cyclictest10741-21/usr/sbin/munin19:40:230
31709999071,0cyclictest9717-21chrt19:37:000
31709998973,0cyclictest10692-21fw_packets21:15:220
31709998972,0cyclictest7541-21ntpdc22:40:360
31709998972,0cyclictest28313-21/usr/sbin/munin20:30:450
31709998972,0cyclictest19325-21seq21:40:240
31709998972,0cyclictest17112-21/usr/sbin/munin23:10:060
31709998971,0cyclictest26694-21users22:00:460
31709998872,0cyclictest7488-21ntp_states19:30:380
31709998871,0cyclictest12624-21ntp_states19:45:370
31709998870,0cyclictest6881-21wget21:05:020
31709998870,0cyclictest63062sleep019:26:570
31709998869,0cyclictest31864-21users23:50:520
31709998869,0cyclictest24357-21perl21:55:190
31709998868,0cyclictest461-21runrttasks20:20:380
31709998771,0cyclictest3840-21fw_forwarded_lo19:20:190
31709998770,0cyclictest21143-21meminfo23:20:280
31709998770,0cyclictest12169-21expr22:55:040
31709998767,0cyclictest32746-21modprobe20:45:080
31709998669,0cyclictest1784-21/usr/sbin/munin23:59:580
31709998668,0cyclictest2330-21meminfo22:25:290
31709998666,0cyclictest23909-21sort23:29:510
31709998571,0cyclictest3953-21irqstats22:30:250
31709998568,0cyclictest29211-21expr20:35:050
31709998567,0cyclictest26415-21ps23:35:390
31709998566,0cyclictest17985-21cat20:00:440
31709998468,0cyclictest31327-21cat20:40:280
31709998468,0cyclictest15827-21/usr/sbin/munin21:30:230
31709998467,0cyclictest21316-21grep21:45:400
31709998467,0cyclictest15928-21irqstats23:05:260
31709998467,0cyclictest10691-21perl22:50:200
31709998465,0cyclictest152232chrt00:39:150
31709998367,0cyclictest19674-21awk23:15:430
31709998366,0cyclictest5052-21munin-run00:09:480
31709998266,0cyclictest27468-21aten_r4power_po23:40:010
31709998168,0cyclictest5709-21irqstats00:10:300
31709998167,0cyclictest29393-21tune2fs22:10:160
31709998165,0cyclictest11681-21runrttasks00:28:100
31709998060,0cyclictest5114-21chrt22:34:520
31709997963,0cyclictest13449-21seq00:33:450
31709997863,0cyclictest13965-21sed23:00:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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