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2025-11-21 - 05:03
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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 Fri Nov 21, 2025 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27355210540,12sleep027353-21latency_hist19:10:040
2735999128105,12cyclictest0-21swapper/019:10:100
31076211110,12sleep01356-21snmpd23:33:020
26742211112,12sleep026005-21apt-get21:10:360
273599910947,24cyclictest0-21swapper/021:50:230
273599910746,44cyclictest10250irq/56-4a10000023:28:540
1475821015,12sleep013479-21apt-get22:27:090
27359999755,11cyclictest101ktimersoftd/019:40:370
255552970,7chrt25553-21ntp_kernel_pll_23:10:390
27359999657,25cyclictest101ktimersoftd/000:30:460
27359999244,30cyclictest3650irq/20-4900000021:22:110
27359999149,27cyclictest3650irq/20-4900000022:00:230
27359999142,17cyclictest10250irq/56-4a10000022:08:290
27359999135,42cyclictest101ktimersoftd/021:57:090
27359999048,28cyclictest101ktimersoftd/021:05:420
322492896,70sleep032267-21ntpq21:30:360
27359998936,38cyclictest10250irq/56-4a10000023:39:060
193632888,66sleep0101ktimersoftd/022:45:410
27359998744,29cyclictest3650irq/20-4900000019:35:440
27359998652,20cyclictest24737-21sshd21:04:550
27359998648,26cyclictest0-21swapper/000:10:220
27359998640,31cyclictest10250irq/56-4a10000020:32:010
27359998635,15cyclictest37052chrt23:53:210
27359998546,25cyclictest101ktimersoftd/022:57:580
27359998538,15cyclictest10250irq/56-4a10000000:19:090
27359998448,23cyclictest101ktimersoftd/023:45:180
27359998439,29cyclictest10250irq/56-4a10000022:37:190
27359998435,15cyclictest10250irq/56-4a10000019:58:080
27359998435,15cyclictest10250irq/56-4a10000019:46:500
27359998349,24cyclictest0-21swapper/021:15:230
27359998337,13cyclictest10250irq/56-4a10000022:18:320
27359998333,31cyclictest11237-21processes20:10:440
27359998322,15cyclictest15594-21https00:40:060
27359998252,20cyclictest891-21/usr/sbin/munin19:30:230
27359998246,25cyclictest0-21swapper/021:35:240
27359998162,11cyclictest101ktimersoftd/020:36:130
27359998152,15cyclictest10150irq/55-4a10000022:30:410
27359998145,25cyclictest0-21swapper/000:05:120
27359998139,28cyclictest3650irq/20-4900000022:45:020
2735999809,29cyclictest9521-21/usr/sbin/munin20:05:510
27359998036,29cyclictest10250irq/56-4a10000021:43:240
27359998024,29cyclictest20007-21wget20:45:160
27359997958,12cyclictest101ktimersoftd/000:00:500
27359997942,26cyclictest0-21swapper/023:15:240
27359997923,12cyclictest10150irq/55-4a10000023:58:150
27359997914,31cyclictest792-21haveged21:25:260
2735999789,16cyclictest3418-21df21:45:180
2735999786,21cyclictest28836-21latency_hist23:25:020
27359997847,14cyclictest10150irq/55-4a10000020:16:250
27359997847,13cyclictest10150irq/55-4a10000020:20:300
27359997836,25cyclictest0-21swapper/020:27:170
2735999778,16cyclictest31580-21/usr/sbin/munin19:25:450
27359997748,14cyclictest10150irq/55-4a10000019:50:140
27359997732,30cyclictest101ktimersoftd/019:15:220
27359997718,13cyclictest10150irq/55-4a10000000:28:210
27359997648,14cyclictest10150irq/55-4a10000020:00:280
27359997648,13cyclictest10150irq/55-4a10000022:10:210
27359997646,13cyclictest10150irq/55-4a10000019:20:290
27359997646,12cyclictest10150irq/55-4a10000022:20:220
27359997642,23cyclictest21450-21seq20:50:360
27359997641,24cyclictest19254-21users20:40:490
27359997624,16cyclictest20871-21seq22:51:110
27359997545,21cyclictest22901-21seq23:00:180
27359997528,29cyclictest1356-21snmpd23:43:100
27359997444,14cyclictest10150irq/55-4a10000023:05:380
27359997325,17cyclictest22492-21wget20:55:190
27359997322,14cyclictest10704-21ntpq00:20:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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