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2024-04-26 - 02:21
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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 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Apr 26, 2024 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275009939857,0cyclictest21132-21timerandwakeup21:05:340
275009939131,0cyclictest18562-21apt-get23:19:460
275009938635,0cyclictest27365-21latency_hist23:59:250
275009938585,0cyclictest14348-21needreboot20:35:280
275009938584,0cyclictest26055-21cron21:29:170
275009938131,0cyclictest1146-21jbd2/sda1-820:50:390
275009937931,0cyclictest28701-21munin-node19:14:290
275009937892,0cyclictest1146-21jbd2/sda1-820:59:280
275009937835,0cyclictest23816-21munin-run21:19:180
275009937692,0cyclictest3401-21timerandwakeup00:35:330
275009937638,0cyclictest30657-21munin-node21:50:180
275009937534,0cyclictest31779-21munin-run00:19:220
275009937330,0cyclictest986-21nfs_client00:25:220
275009937134,0cyclictest22752-21latency_hist21:14:230
275009937029,0cyclictest6624-21kworker/u2:200:29:470
275009936628,0cyclictest6046-21mailstats19:59:390
275009936531,0cyclictest5334-21open_files22:20:140
275009936530,0cyclictest8447-21apt-get22:34:470
275009936495,0cyclictest1326-21munin-run19:39:180
275009936491,0cyclictest2263-21syslogd22:19:160
275009936481,0cyclictest18323-21munin-run23:19:210
275009936268,0cyclictest2263-21syslogd22:04:160
275009936255,0cyclictest7854-21sendmail_mailqu22:30:400
275009936228,0cyclictest9057-21sshd20:11:420
275009936190,0cyclictest1146-21jbd2/sda1-819:19:270
275009936066,0cyclictest23581-21wc23:40:400
275009936056,0cyclictest30530-21sed19:24:240
275009936032,0cyclictest24043-21ntp_states21:19:430
275009935928,0cyclictest28606-21cron19:14:160
275009935637,0cyclictest6624-21kworker/u2:223:25:230
275009935636,0cyclictest6624-21kworker/u2:220:44:480
275009935628,0cyclictest26288-21apt-get21:29:470
275009935452,0cyclictest11587-1kworker/0:1H23:00:080
275009935383,0cyclictest29763-21apt-get00:09:430
275009935278,0cyclictest30576-21latency_hist21:49:200
275009935161,0cyclictest13832-21munin-run22:59:220
275009935130,0cyclictest9975-21missed_timers20:15:370
275009935074,0cyclictest21977-21df23:35:000
275009935031,0cyclictest28291-21cron21:39:160
275009934929,0cyclictest3845-21apt-get19:49:470
275009934864,0cyclictest24442-21nfs_client23:45:210
275009934863,0cyclictest2612-21runrttasks23:49:540
275009934827,0cyclictest21164-21nfs_client23:30:260
275009934794,0cyclictest16728-21grep23:10:290
275009934737,0cyclictest0-21swapper19:40:310
275009934732,0cyclictest9455-21open_inodes22:39:280
275009934675,0cyclictest28823-21nfs_client21:40:230
275009934664,0cyclictest11087-21wc20:20:370
275009934662,0cyclictest28417-21latency_hist00:04:210
275009934590,0cyclictest11591-21apt22:49:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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