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2025-12-21 - 17:45
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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 Sun Dec 21, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30216224691,133sleep030270-21/usr/sbin/munin07:05:130
313559916438,108cyclictest10250irq/56-4a10000010:10:140
313559916141,19cyclictest14910-21https12:25:050
313559916125,26cyclictest3395-21latency_hist09:35:030
31355991608,22cyclictest29879-21memory11:15:350
313559916022,22cyclictest1305-21snmpd10:46:100
31355991588,21cyclictest11364-21munin-run08:00:010
313559915843,103cyclictest17683-21aten_r7power_po10:30:160
313559915749,96cyclictest24118-21sshd08:46:330
31355991567,35cyclictest1305-21snmpd10:21:060
31355991566,18cyclictest11458-21diskstats12:10:230
313559915641,98cyclictest3650irq/20-4900000011:42:110
313559915638,11cyclictest10150irq/55-4a10000010:06:030
313559915542,13cyclictest10150irq/55-4a10000011:21:250
313559915541,103cyclictest15434-21aten_r7power_vo12:25:210
313559915539,96cyclictest3650irq/20-4900000010:57:100
313559915539,103cyclictest216782chrt08:39:490
313559915529,24cyclictest0-21swapper/011:56:330
313559915529,105cyclictest0-21swapper/011:46:320
31355991547,17cyclictest26589-21apt-get11:07:100
313559915443,100cyclictest31167-21runrttasks09:15:280
313559915442,101cyclictest19290-21runrttasks08:30:160
313559915438,16cyclictest10250irq/56-4a10000007:50:120
313559915435,19cyclictest1551-21aten_r7power_cu07:20:140
313559915434,14cyclictest13973-21apt08:10:120
313559915419,29cyclictest10250irq/56-4a10000009:20:140
313559915343,98cyclictest7661-21runrttasks07:45:020
313559915337,17cyclictest10250irq/56-4a10000008:15:230
313559915336,16cyclictest17147-21sendmail_mailst12:30:470
31355991528,17cyclictest1608-21ntpd12:00:450
313559915243,97cyclictest26365-21open_files08:55:470
313559915139,16cyclictest26695-21latency_hist11:05:090
31355991509,34cyclictest1382-21cron07:20:010
313559915050,89cyclictest22454-21sshd08:40:480
313559915041,13cyclictest3637-21seq07:27:470
313559915038,14cyclictest7440-21date11:55:030
313559915038,100cyclictest18853-21runrttasks08:30:010
313559915016,25cyclictest13128-21ntp_states08:05:420
313559914940,14cyclictest10150irq/55-4a10000007:10:200
313559914931,20cyclictest1287-21ntpq11:30:400
313559914930,16cyclictest3904-21chrt09:35:380
313559914929,22cyclictest29027-21sshd11:11:270
313559914848,80cyclictest10150irq/55-4a10000009:00:330
313559914841,95cyclictest10795-21runrttasks10:01:090
313559914837,19cyclictest7849-21seq09:50:240
31355991479,17cyclictest18995-21munin-run12:40:030
313559914736,16cyclictest8736-21runrttasks07:48:510
313559914731,11cyclictest10150irq/55-4a10000012:15:270
313559914730,19cyclictest13853-21/usr/sbin/munin10:15:120
313559914730,16cyclictest5019-21if_err_eth009:40:300
31355991468,31cyclictest10150irq/55-4a10000009:05:230
313559914640,17cyclictest12396-21runrttasks08:03:110
313559914639,12cyclictest10150irq/55-4a10000008:51:330
313559914624,19cyclictest19972-21systemctl10:40:010
313559914541,93cyclictest30111-21runrttasks09:10:430
313559914541,92cyclictest11155-21latency_hist12:10:030
313559914538,16cyclictest23701-21apt-get10:55:010
313559914532,14cyclictest16841-21ntpq08:20:360
313559914441,91cyclictest17558-21latency_hist10:30:040
313559914436,20cyclictest21003-21runrttasks10:43:110
313559914342,17cyclictest98932chrt09:59:110
313559914341,20cyclictest62382chrt07:38:490
313559914340,14cyclictest10150irq/55-4a10000011:38:180
313559914331,11cyclictest10150irq/55-4a10000009:25:490
313559914320,21cyclictest7194-21apt-config09:50:060
313559913940,12cyclictest10150irq/55-4a10000011:26:530
313559913934,17cyclictest4724-21runrttasks07:31:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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