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2025-12-07 - 11:34
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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 Sun Dec 07, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13163220127,50sleep00-21swapper/019:06:030
137019915075,22cyclictest2529-21wget20:30:190
137019914874,37cyclictest12567-21df_inode23:10:320
137019914874,34cyclictest20660-21fw_forwarded_lo21:40:480
137019914871,59cyclictest22850-21sshd21:47:450
137019914571,33cyclictest10826-21wget23:05:170
137019914570,54cyclictest17465-21runrttasks19:22:100
137019914569,20cyclictest24782-40gzip00:00:120
137019914564,25cyclictest18580-21/usr/sbin/munin23:35:170
137019914465,39cyclictest31520-21ntp_states00:25:430
137019914270,21cyclictest24716-21/usr/sbin/munin00:00:060
137019914253,35cyclictest24039-21apt-get19:52:070
137019914072,25cyclictest27248-21df_inode20:00:210
137019914072,24cyclictest28425-21/usr/sbin/munin22:11:420
137019914064,36cyclictest24041-21/usr/sbin/munin19:50:040
137019914061,37cyclictest22382-21wget23:50:130
137019914058,24cyclictest2331-21apt-get22:37:070
137019914054,33cyclictest1176-21/usr/sbin/munin22:30:430
137019913970,34cyclictest1364-21sshd23:24:460
137019913969,35cyclictest19566-21ntp_states19:30:440
137019913967,35cyclictest19121-21ntp_states21:35:430
137019913965,36cyclictest1356-21snmpd19:18:090
137019913962,38cyclictest5651-21memory22:45:340
137019913868,38cyclictest1356-21snmpd21:08:350
137019913767,38cyclictest30267-21ntp_states00:20:410
137019913766,35cyclictest1356-21snmpd20:58:320
137019913763,37cyclictest32562-21df_inode00:30:190
137019913692,35cyclictest6902-21wget22:50:170
137019913666,19cyclictest27572-21diskstats00:10:240
137019913664,19cyclictest26170-21ntp_states19:55:400
137019913661,36cyclictest1356-21snmpd21:13:360
137019913574,38cyclictest30128-21/usr/sbin/munin20:10:490
137019913568,48cyclictest1356-21snmpd22:28:540
137019913471,22cyclictest14729-21munin-run23:20:030
137019913469,45cyclictest30999-21latency_hist22:20:040
137019913466,49cyclictest1107-21if_eth020:25:290
137019913465,49cyclictest17216-21runrttasks21:28:460
137019913384,38cyclictest1356-21snmpd20:20:420
137019913373,19cyclictest28581-21irqstats20:05:310
137019913370,23cyclictest1-21systemd23:00:010
137019913368,21cyclictest23450-21diskstats21:50:220
137019913362,35cyclictest20600-21df19:35:180
137019913357,37cyclictest17995-21find21:30:440
137019913283,37cyclictest22273-21awk19:40:510
137019913275,45cyclictest1356-21snmpd21:03:340
137019913183,37cyclictest19082-21latency_hist19:30:020
137019913172,40cyclictest7494-21/usr/sbin/munin20:50:330
137019913167,21cyclictest21695-21users23:45:510
137019913164,34cyclictest9678-21diskstats23:00:230
137019913158,37cyclictest14459-21chrt21:16:450
137019913075,38cyclictest1567-21ntp_states00:35:410
137019913070,39cyclictest6131-21latency_hist20:45:020
137019913065,48cyclictest19960-21wget23:40:170
137019913060,34cyclictest3802-21wget20:35:130
137019913058,37cyclictest27220-21chrt22:05:250
137019912974,43cyclictest17066-21sshd23:28:460
137019912969,20cyclictest15062-21aten_r7power_en21:20:150
137019912964,22cyclictest18426-21chrt23:34:450
137019912875,40cyclictest31377-21users20:15:480
137019912869,20cyclictest1531-21munin-node20:45:120
137019912869,19cyclictest28790-21df00:15:190
137019912862,47cyclictest27098-21sshd00:08:520
137019912774,39cyclictest760-21systemd-journal19:10:430
137019912674,41cyclictest760-21systemd-journal22:03:280
137019912672,40cyclictest24724-21fw_forwarded_lo21:55:280
137019912665,20cyclictest31224-21grep22:20:160
137019912462,21cyclictest4700-21users22:40:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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