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2025-11-24 - 05:46
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Mon Nov 24, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25073221935,52sleep00-21swapper/019:09:340
251919917145,31cyclictest3650irq/20-4900000000:27:110
251919916048,27cyclictest101ktimersoftd/020:35:030
251919914062,11cyclictest101ktimersoftd/023:35:180
251919913844,27cyclictest101ktimersoftd/022:10:360
251919911894,14cyclictest0-21swapper/019:10:030
2824211115,83sleep02853-21latency_hist19:50:080
31459210810,87sleep031469-21ntp_states21:40:360
1680421035,11sleep016508-21/usr/sbin/munin22:50:310
246702996,79sleep024671-21fw_forwarded_lo21:15:270
42622974,15sleep04263-21users22:00:490
303622975,78sleep030402-21cpu23:45:190
313932965,80sleep031402-21munin-run19:35:010
280222955,10sleep028024-21fw_conntrack19:20:260
89012937,76sleep08903-21fw_forwarded_lo22:20:320
25191999236,40cyclictest0-21swapper/000:21:540
154512925,74sleep015454-21df22:45:180
301362915,74sleep030137-21memory21:35:360
29272917,70sleep0101ktimersoftd/000:05:200
25191999139,16cyclictest109152chrt00:35:190
2519199907,17cyclictest1356-21snmpd22:31:490
25191999066,11cyclictest101ktimersoftd/023:55:460
25191999039,41cyclictest10250irq/56-4a10000021:23:300
25191998932,23cyclictest10250irq/56-4a10000020:37:430
25191998737,35cyclictest2810-21open_files21:55:450
25191998722,32cyclictest792-21haveged23:20:040
2519199867,31cyclictest1356-21snmpd23:54:180
25191998634,14cyclictest18084-21latency_hist20:50:030
25191998540,31cyclictest3650irq/20-4900000019:52:110
25191998538,13cyclictest10250irq/56-4a10000021:27:370
25191998510,22cyclictest525-21diskstats19:40:240
25191998449,26cyclictest0-21swapper/000:15:220
25191998439,30cyclictest3650irq/20-4900000021:32:090
25191998435,17cyclictest10250irq/56-4a10000023:22:310
25191998339,31cyclictest10250irq/56-4a10000023:43:360
25191998334,33cyclictest5957-21entropy20:00:240
25191998320,50cyclictest323742sleep019:37:460
25191998244,27cyclictest0-21swapper/023:25:140
25191998236,31cyclictest3650irq/20-4900000022:27:100
25191998235,31cyclictest12096-21wget20:25:170
25191998234,14cyclictest10250irq/56-4a10000023:12:290
25191998232,33cyclictest1336-21runrttasks19:25:320
25191998224,14cyclictest8100-21latency_hist20:10:030
129472825,66sleep012950-21df22:35:170
2519199818,20cyclictest26725-21fw_conntrack23:30:260
25191998050,13cyclictest10150irq/55-4a10000020:15:210
25191998047,15cyclictest10150irq/55-4a10000000:10:150
25191998027,20cyclictest792-21haveged20:50:360
25191997949,12cyclictest10150irq/55-4a10000019:55:130
2519199788,21cyclictest23075-21munin-run21:10:020
2519199786,21cyclictest7589-21diskstats22:15:230
25191997860,11cyclictest101ktimersoftd/021:10:260
25191997859,12cyclictest101ktimersoftd/020:10:270
25191997848,14cyclictest10150irq/55-4a10000023:00:190
25191997836,28cyclictest18604-21seq22:57:480
25191997835,27cyclictest1605-21/usr/sbin/munin00:00:160
25191997832,32cyclictest14389-21ntpq22:40:430
25191997748,13cyclictest10150irq/55-4a10000023:05:300
25191997746,14cyclictest10268-21runrttasks00:32:150
25191997646,13cyclictest10150irq/55-4a10000021:00:320
25191997643,15cyclictest10150irq/55-4a10000020:20:120
25191997621,24cyclictest1531-21munin-node19:17:310
25191997557,11cyclictest101ktimersoftd/021:50:200
25191997557,10cyclictest101ktimersoftd/022:05:170
25191997542,24cyclictest32528-21diskstats21:45:200
25191997534,27cyclictest3650irq/20-4900000020:55:420
25191997445,13cyclictest10150irq/55-4a10000020:40:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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