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2025-05-05 - 05:07
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Mon May 05, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151720,0ktimers/0319431sleep19:05:480
1514230,0ktimers/0155981sleep22:51:150
1514140,0ktimers/0246821sleep23:31:550
1513870,0ktimers/076711sleep22:15:200
530503860,0irq/11-sym53c8x130550irq/15-NE200020:26:040
1513860,0ktimers/0251321sleep21:05:550
1513850,0ktimers/0327231sleep21:40:490
1513740,0ktimers/0217971sleep23:20:230
530503570,0irq/11-sym53c8x130550irq/15-NE200022:17:180
31599352158,0cyclictest16219-21cron20:25:170
530503480,0irq/11-sym53c8x130550irq/15-NE200019:12:140
31599348248,0cyclictest9963-21sed19:56:050
31599348160,0cyclictest4232-21chrt21:57:220
530503460,0irq/11-sym53c8x130550irq/15-NE200019:21:150
530503400,0irq/11-sym53c8x130550irq/15-NE200020:07:150
1513260,0ktimers/0231641sleep23:26:060
31599324166,0cyclictest19606-21cron23:10:170
1305503240,0irq/15-NE200053050irq/11-sym53c8xx21:10:520
530503130,0irq/11-sym53c8x130550irq/15-NE200020:02:110
31599313191,0cyclictest8613-21cron19:50:170
1305503120,0irq/15-NE200053050irq/11-sym53c8xx19:25:300
31599310151,0cyclictest26113-21sendmail23:40:180
31599310144,0cyclictest32485-21cron21:40:170
31599308178,0cyclictest15130-21apt20:20:190
31599308174,0cyclictest22303-21awk20:51:500
31599306233,0cyclictest215211chrt20:48:210
31599306178,0cyclictest21929-21mailstats23:20:360
31599306132,0cyclictest0-21swapper22:22:290
31599305169,0cyclictest9331-21munin-node19:51:530
31599300143,0cyclictest0-21swapper23:55:430
31599298138,0cyclictest1538-21ls19:15:330
31599298136,0cyclictest24532-21latency21:01:570
31599295194,0cyclictest13099-21munin-run22:40:190
31599295150,0cyclictest29311-21latency_hist21:25:250
31599295133,0cyclictest30683-21expr21:31:160
31599294135,0cyclictest14003-21chrt22:42:110
31599292174,0cyclictest11468-21cut22:31:350
31599292157,0cyclictest5222-21sed22:02:010
31599290159,0cyclictest28080-21timerwakeupswit23:47:090
31599289130,0cyclictest2770-21awk21:51:400
31599288183,0cyclictest1784-21cut00:16:330
31599288147,0cyclictest1571-21munin-node19:30:300
31599284125,0cyclictest19567-21cut20:40:300
31599282144,0cyclictest895-21jbd2/sda1-821:25:280
31599281212,0cyclictest32123-21kworker/u4:3+flush-8:021:47:010
31599281141,0cyclictest6937-21sed19:41:300
31599281141,0cyclictest17650-21cut20:31:150
31599281138,0cyclictest5628-21latency_hist00:35:260
31599281121,0cyclictest27239-21cut21:15:380
1512810,0ktimers/0168471sleep22:56:350
31599280162,0cyclictest20050-21awk23:11:230
31599280159,0cyclictest5106-21awk00:31:380
31599278164,0cyclictest0-21swapper23:51:070
31599278163,0cyclictest108851chrt22:29:360
31599277179,0cyclictest6449-21munin-run19:40:230
31599277152,0cyclictest3952-21nfs_client00:26:360
31599275153,0cyclictest19462-21runrttasks20:40:170
31599275148,0cyclictest17856-21awk23:01:200
31599275113,0cyclictest26496-21grep23:41:180
31599273188,0cyclictest23874-21latency_hist21:00:280
31599273162,0cyclictest0-21swapper00:05:380
31599273145,0cyclictest13318-21sendmail-mta20:11:150
3159927298,0cyclictest895-21jbd2/sda1-800:10:280
31599272152,0cyclictest2438-21munin-node00:21:170
31599272144,0cyclictest14745-21expr22:46:400
31599270142,0cyclictest6237-21sendmail_mailqu22:06:550
31599263139,0cyclictest31595-21grep00:05:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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