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2025-11-16 - 19:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Nov 16, 2025 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150040,0ktimers/0178011sleep06:56:320
179419948089,0cyclictest20951-21if_err_eth112:15:200
1794199474134,0cyclictest11407-21aten_r3power_vo11:29:260
1514740,0ktimers/047981sleep08:29:370
1514720,0ktimers/0131991sleep09:08:450
179419945984,0cyclictest9223-21wget11:19:220
1794199459116,0cyclictest22555-21apt-get12:24:000
1794199455109,0cyclictest1633-21nscd10:38:230
179419944985,0cyclictest1927-21runrttasks11:24:190
1514480,0ktimers/079001sleep11:13:340
1794199445112,0cyclictest9633-21chrt08:51:030
179419944497,0cyclictest1206-21cron10:43:230
1514440,0ktimers/0231361sleep09:54:250
179419944383,0cyclictest35-1kworker/0:1H-kblockd07:38:490
1514430,0ktimers/0286321sleep07:49:140
1514430,0ktimers/0128031sleep11:35:020
1794199442109,0cyclictest21787-21latency_hist09:48:350
1794199441109,0cyclictest1654-21snmpd12:08:330
1514410,0ktimers/0231341sleep07:23:530
1794199440105,0cyclictest14522-21chrt09:14:410
1794199439107,0cyclictest17409-21chrt09:28:290
1794199439105,0cyclictest21145-21grep07:14:240
1794199439105,0cyclictest1927-21runrttasks11:45:180
1794199438112,0cyclictest13964-21missed_timers11:40:090
1794199438100,0cyclictest21845-21mailstats09:48:430
179419943491,0cyclictest1510-21cut10:44:140
179419943339,0cyclictest6013-21cut11:04:260
1794199433130,0cyclictest0-21swapper08:38:540
179419943297,0cyclictest21607-21grep12:19:310
1794199432103,0cyclictest10949-21latency_hist08:58:350
1794199429112,0cyclictest26407-21cat10:09:220
1794199429101,0cyclictest10015-21chrt08:54:020
1794199428133,0cyclictest30809-21df07:59:210
179419942796,0cyclictest0-21swapper07:18:410
179419942790,0cyclictest4100-21aten_r3power_po08:25:160
179419942698,0cyclictest6513-21cron08:38:230
179419942598,0cyclictest3938-21nfs_client10:54:400
179419942596,0cyclictest28590-21basename10:19:220
1794199425111,0cyclictest5605-21cron11:03:220
1794199425104,0cyclictest575-21ntpq08:09:210
1794199425101,0cyclictest0-21swapper09:33:390
179419942388,0cyclictest0-21swapper09:33:230
1514220,0ktimers/0298931sleep07:54:380
1794199419126,0cyclictest0-21swapper10:30:050
1794199419101,0cyclictest15457-21munin-node11:48:360
179419941897,0cyclictest16292-21cron09:23:220
179419941793,0cyclictest893-21jbd2/sda1-807:28:380
179419941732,0cyclictest893-21jbd2/sda1-811:58:330
1794199414120,0cyclictest27275-21munin-node10:15:160
179419941294,0cyclictest0-21swapper11:08:530
1794199412118,0cyclictest2287-21munin-node08:19:500
1794199410122,0cyclictest1460-21munin-node08:14:180
1794199408107,0cyclictest27951-21netstat07:44:590
179419940768,0cyclictest32716-21munin-run08:08:290
179419940687,0cyclictest20387-21cut09:40:100
1794199406106,0cyclictest18516-21expr06:59:490
1794199404101,0cyclictest7963-21expr08:44:210
179419940399,0cyclictest12244-21awk09:04:130
1794199403109,0cyclictest2868-21expr10:49:460
1794199401104,0cyclictest19937-21apt-get07:09:100
1794199400112,0cyclictest29962-21needreboot10:24:510
1794199398102,0cyclictest26201-21cron07:38:230
1794199394107,0cyclictest16580-21date11:53:340
179419939396,0cyclictest25445-21ls10:04:400
179419939192,0cyclictest24570-21awk10:00:040
179419938799,0cyclictest20092-21runrttasks12:12:170
1794199386101,0cyclictest19535-21runrttasks07:05:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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