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2025-06-23 - 21:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 20 highest latencies:
System rack7slot3.osadl.org (updated Mon Jun 23, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142602118219sleep14262-21ntp_kernel_pll_07:02:210
1497399268238cyclictest14843-21fschecks_time09:27:560
1497399260234cyclictest28886-21munin-node0
1497399258228cyclictest2877-21snmpd09:56:470
1497399257228cyclictest15248-21sh11:56:530
1497399253229cyclictest2526-21memory10:58:510
1497399251221cyclictest26648-21sh10:21:460
1497399250186cyclictest17555-21latency_hist12:07:190
1497399248222cyclictest22562-21ssh12:29:100
1497399248219cyclictest31548-21interrupts10:43:180
1497399245220cyclictest23420-21ssh12:33:190
1497399245219cyclictest10410-21entropy09:07:550
1497399244213cyclictest10292-21ssh09:07:280
1497399244211cyclictest26433-21munin-node0
1497399243215cyclictest24607-21runrttasks10:12:230
1497399243214cyclictest7365-21diskmemload11:20:540
1497399243214cyclictest15937-21tune2fs09:32:550
1497399243210cyclictest27054-21ssh10:23:080
1497399243191cyclictest15744-21chrt11:58:280
1497399243177cyclictest13538-21latency11:48:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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