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2026-06-12 - 19:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Fri Jun 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
880124230,5sleep08799-21iostat07:18:260
3977211014,33sleep04020-21fschecks_time10:23:250
100139910124,67cyclictest11988-21munin-node12:28:180
19451210014,16sleep03250-21snmpd09:30:500
100139910023,67cyclictest20089-21grep09:33:250
10013999922,40cyclictest18143-21runrttasks11:07:470
10013999914,75cyclictest2504-21munin-node08:38:410
65729613,16sleep0677-21fschecks_count11:53:250
10013999614,73cyclictest24011-21ls09:44:000
3051329514,15sleep030547-21unixbench_singl10:04:040
10013999524,33cyclictest10979-21munin-node10:43:510
10013999523,63cyclictest5406-21hostname12:08:150
10013999421,36cyclictest16789-21fschecks_count07:43:290
10013999415,70cyclictest18161-21aten_r4power_cu07:48:170
10013999415,42cyclictest14977-21hostname07:38:190
10013999413,71cyclictest13432-21munin-node10:53:290
10013999318,65cyclictest3568-21runrttasks09:08:590
10013999315,69cyclictest4646-21munin-node12:03:590
10013999315,69cyclictest20830-21seq07:54:290
10013999315,69cyclictest2001-21munin-node10:18:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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