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2025-10-19 - 01:36
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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 Sat Oct 18, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5387217823,129sleep05391-21fw_forwarded_lo19:05:210
636399156133,14cyclictest250582sleep020:20:370
63639915174,20cyclictest21674-21apt-get20:12:070
63639914964,29cyclictest5078-21apt-get23:18:160
63639914884,48cyclictest16957-21/usr/sbin/munin00:01:330
63639914880,35cyclictest9757-21chrt19:20:430
63639914778,50cyclictest1336-21runrttasks20:03:380
63639914691,34cyclictest1801-21node20:58:070
63639914675,52cyclictest30438-21sshd22:50:350
63639914673,21cyclictest6296-21apt-get19:12:070
63639914591,42cyclictest7228-21ntp_states23:25:470
63639914572,38cyclictest24121-21runrttasks20:16:310
63639914571,35cyclictest1356-21snmpd22:36:380
63639914382,41cyclictest17984-21chrt00:05:390
63639914377,45cyclictest32328-21chrt22:58:510
63639914376,35cyclictest1356-21snmpd23:46:540
63639914375,48cyclictest27181-21/usr/sbin/munin20:30:130
63639914374,49cyclictest9057-21sshd23:33:590
63639914370,33cyclictest382-21fw_forwarded_lo23:00:270
63639914368,38cyclictest1356-21snmpd23:51:550
63639914275,53cyclictest17989-1kworker/0:1H22:09:010
63639914270,34cyclictest11789-21awk21:35:440
63639914174,26cyclictest26472-21sshd00:38:500
63639914172,33cyclictest9620-21chrt21:26:430
63639914095,35cyclictest8450-21ntp_states19:15:380
63639914084,43cyclictest5601-21ntp_states21:11:190
63639913984,45cyclictest15802-21ogrotate00:00:010
63639913980,46cyclictest1356-21snmpd23:06:450
63639913979,18cyclictest12841-21df_inode21:40:210
63639913978,41cyclictest28882-21aten_r7power_en22:45:130
63639913975,22cyclictest1-21systemd19:55:000
63639913885,42cyclictest27986-21ntp_offset22:40:390
63639913877,21cyclictest10586-21munin-node19:25:150
63639913876,21cyclictest16244-21apt21:55:010
63639913871,31cyclictest18859-21sshd00:10:140
63639913869,31cyclictest10404-21seq23:39:500
63639913777,19cyclictest18445-21ntp_states19:55:420
63639913774,46cyclictest8222-21cat21:20:540
63639913762,58cyclictest234492chrt22:22:340
63639913679,39cyclictest10231-21wget21:30:190
63639913679,38cyclictest24051-21df00:30:170
63639913676,21cyclictest7219-21chrt21:17:350
63639913673,44cyclictest28505-21wget20:35:160
63639913672,45cyclictest24572-21sshd22:26:340
63639913586,37cyclictest16676-21sshd21:55:360
63639913584,40cyclictest32681-21find20:50:440
63639913584,37cyclictest21674-21apt-get20:10:020
63639913583,40cyclictest1336-21runrttasks23:10:160
63639913582,40cyclictest20481-21/usr/sbin/munin00:15:430
63639913573,22cyclictest17859-21fw_forwarded_lo22:00:270
63639913563,35cyclictest3900-21ntp_states21:05:410
63639913488,35cyclictest1356-21snmpd00:22:050
63639913486,35cyclictest1801-21node00:29:150
63639913486,35cyclictest1356-21snmpd20:45:270
63639913475,20cyclictest25946-21aten_r7power_cu20:25:150
63639913473,43cyclictest2966-21sshd21:01:340
63639913473,22cyclictest14264-21ntp_states21:45:370
63639913471,43cyclictest30187-21seq20:40:430
63639913383,38cyclictest10570-21/usr/sbin/munin23:40:430
63639913280,38cyclictest21942-21find22:15:480
63639913279,42cyclictest14725-21runrttasks19:40:410
63639913274,43cyclictest5839-21cat23:20:320
63639913269,28cyclictest12690-21sshd19:32:540
63639913183,35cyclictest15870-21memory19:45:300
63639913182,37cyclictest25497-21ntp_states22:30:410
63639913181,37cyclictest13379-21sshd19:35:350
63639912873,37cyclictest20343-21/usr/sbin/munin22:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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