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2025-11-25 - 08:45
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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 Tue Nov 25, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7366217324,122sleep07372-21ntp_states19:05:290
81839911447,26cyclictest1869-21cron23:00:010
81839910949,43cyclictest10250irq/56-4a10000023:49:100
81839910538,34cyclictest10250irq/56-4a10000023:05:150
81839910536,49cyclictest16395-21fw_forwarded_lo19:40:280
81839910462,33cyclictest10409-21/usr/sbin/munin21:25:130
81839910333,34cyclictest1356-21snmpd20:53:330
81839910317,25cyclictest6886-21apt-get23:18:180
81839910150,34cyclictest3650irq/20-4900000022:15:190
81839910130,53cyclictest14764-21chrt21:41:210
81839910062,31cyclictest16009-21cron19:40:020
81839910033,49cyclictest20420-21/usr/sbin/munin22:05:160
81839910030,21cyclictest17251-21munin-run00:00:030
81839910028,33cyclictest1801-21node20:11:450
8183999929,33cyclictest800-21avahi-daemon00:15:430
8183999927,52cyclictest23503-21apt20:10:000
8183999926,20cyclictest16771-21diskstats21:50:220
8183999857,32cyclictest5623-21munin-plugin-st23:15:010
8183999856,30cyclictest13148-21apt-get19:30:390
8183999848,33cyclictest10042-21sshd21:23:350
8183999840,39cyclictest7421-21wget23:20:160
8183999831,48cyclictest19905-21wget19:55:130
8183999828,52cyclictest21935-21/usr/sbin/munin22:10:120
8183999825,53cyclictest15245-21ntp_states23:50:370
8183999824,36cyclictest20252-21wget00:10:160
8183999822,37cyclictest25787-21sshd20:18:180
8183999763,24cyclictest29629-21/usr/sbin/munin22:40:180
8183999753,35cyclictest1424-21nginx20:33:360
8183999730,49cyclictest1356-21snmpd21:07:080
8183999729,49cyclictest12023-21/usr/sbin/munin19:25:150
8183999655,11cyclictest101ktimersoftd/021:55:420
8183999628,48cyclictest22824-21aten_r7power_cu00:20:200
8183999626,36cyclictest11517-21ntp_states23:35:440
8183999624,20cyclictest11904-21latency_hist19:25:020
8183999622,39cyclictest26911-21ntp_states00:35:460
8183999563,22cyclictest24565-21runrttasks22:20:150
8183999556,29cyclictest3902-21sshd21:00:190
8183999552,31cyclictest760-21systemd-journal22:30:200
8183999550,35cyclictest2634-21df_inode20:55:200
8183999526,37cyclictest1356-21snmpd22:38:540
8183999523,37cyclictest11758-21df21:30:160
8183999523,35cyclictest1356-21snmpd23:29:080
8183999463,23cyclictest32533-21/usr/sbin/munin20:45:170
8183999436,42cyclictest1424-21nginx19:16:380
8183999432,21cyclictest32160-21fw_forwarded_lo22:50:270
8183999431,22cyclictest18846-21diskstats19:50:210
8183999429,31cyclictest760-21systemd-journal20:28:240
8183999429,29cyclictest17752-21ntp_kernel_pll_19:45:360
8183999360,21cyclictest8605-21netstat19:10:340
8183999324,35cyclictest1356-21snmpd20:23:260
8183999324,35cyclictest1356-21snmpd20:03:220
8183999323,17cyclictest13201-21ntp_states21:35:400
8183999236,36cyclictest8950irq/40-mmc121:45:260
8183999166,18cyclictest13543-21latency_hist23:45:040
8183999162,20cyclictest18661-21/usr/sbin/munin00:05:120
8183999026,30cyclictest1356-21snmpd00:04:150
8183999022,34cyclictest25880-21users00:30:500
8183998961,18cyclictest31064-21ls20:40:030
8183998953,17cyclictest10150irq/55-4a10000020:40:210
8183998945,34cyclictest9995-21wget23:30:190
8183998941,34cyclictest3650irq/20-4900000022:00:190
8183998841,34cyclictest3650irq/20-4900000000:25:470
8183998828,45cyclictest30679-21/usr/sbin/munin22:45:120
8183998819,33cyclictest1356-21snmpd23:04:000
8183998816,20cyclictest26086-21ntp_states22:25:420
8183998748,30cyclictest6588-21aten_r7power_cu21:10:130
8183998539,14cyclictest10250irq/56-4a10000021:16:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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