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2026-04-09 - 18:19
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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 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Apr 09, 2026 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152610,0ktimers/084301sleep07:13:070
1514790,0ktimers/0219931sleep11:26:210
1514740,0ktimers/069951sleep09:49:220
1514700,0ktimers/0325891sleep09:09:350
85199946632,0cyclictest26753-21sh11:55:580
85199946537,0cyclictest14321-21ls10:34:180
1514630,0ktimers/081131sleep09:55:360
1514610,0ktimers/09041sleep12:34:260
1514580,0ktimers/0318701sleep09:05:410
1514550,0ktimers/0153751sleep10:42:500
85199944592,0cyclictest20739-21idleruntime-cro11:19:100
851999443105,0cyclictest23340-21df_inode11:36:020
85199944262,0cyclictest0-21swapper09:23:540
85199943880,0cyclictest7587-21ssh09:51:260
851999438123,0cyclictest0-21swapper07:55:200
851999436106,0cyclictest48-21kswapd008:39:220
851999433111,0cyclictest0-21swapper12:25:070
1514330,0ktimers/0133371sleep10:28:510
85199942998,0cyclictest24752-21ssh11:44:210
85199942767,0cyclictest21631-21expr08:15:380
1514270,0ktimers/0183671sleep11:01:560
85199942659,0cyclictest283121chrt08:49:430
85199942530,0cyclictest12782-21sendmail-msp10:24:180
1514210,0ktimers/061431sleep09:42:220
1514200,0ktimers/0261091sleep11:52:440
85199941852,0cyclictest5399-21ssh09:39:090
85199941738,0cyclictest31105-21munin-node12:21:090
525504170,0irq/11-sym53c8x130250irq/15-NE200011:24:250
85199941632,0cyclictest1148-21ls09:14:320
85199941595,0cyclictest144141chrt07:41:140
85199941467,0cyclictest28491-21chrt12:07:060
85199941439,0cyclictest20105-21cat08:09:200
851999414100,0cyclictest17983-21grep07:59:360
1514140,0ktimers/0116671sleep07:30:050
85199941329,0cyclictest29371-21sort08:54:370
85199941250,0cyclictest894-21jbd2/sda1-809:29:090
85199941228,0cyclictest9053-21chrt07:15:270
851999412108,0cyclictest25499-21sort08:35:450
1514100,0ktimers/0232321sleep08:25:060
1514090,0ktimers/0311341sleep09:01:110
85199940888,0cyclictest29225-21ssh12:11:060
85199940856,0cyclictest24826-21idleruntime-cro08:34:100
1514080,0ktimers/0249481sleep11:45:120
85199940633,0cyclictest20139-21munin-run11:14:140
85199940560,0cyclictest11400-21latency_hist07:29:160
85199940479,0cyclictest14908-21munin-run10:39:140
851999404125,0cyclictest15270-21netstat07:45:460
1302504030,0irq/15-NE200052550irq/11-sym53c8xx07:49:290
85199940229,0cyclictest22955-21http08:24:170
85199939951,0cyclictest19810-21sort08:06:140
85199939940,0cyclictest9523-21cut10:05:590
85199939884,0cyclictest28094-21ssh12:04:220
85199939827,0cyclictest12568-21mailstats07:34:260
851999398141,0cyclictest0-21swapper08:49:080
851999398102,0cyclictest11103-21runrttasks10:14:390
1513960,0ktimers/0226001sleep11:31:260
851999395112,0cyclictest10917-21ssh10:14:100
85199939332,0cyclictest17018-21rm10:55:060
851999393115,0cyclictest0-21swapper11:08:380
85199938999,0cyclictest20-21rcuc/012:19:090
85199938763,0cyclictest16032-21ssh10:48:100
85199938378,0cyclictest0-21swapper10:00:350
85199938199,0cyclictest0-21swapper12:43:360
851999380111,0cyclictest1512-21munin-node12:39:220
85199937735,0cyclictest4520-21date09:34:190
85199937529,0cyclictest10254-21cron07:24:090
851999374110,0cyclictest16742-21sh10:54:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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