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2026-05-31 - 04:47
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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 Sat May 30, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2529027790,11sleep025293-21cpuspeed07:05:150
263019917537,15cyclictest10250irq/56-4a10000009:51:270
263019917526,17cyclictest1408-21nginx09:46:270
263019917328,17cyclictest1408-21nginx11:10:430
263019917236,19cyclictest11838-21wget08:20:150
263019916546,107cyclictest10350-21getprofile12:30:330
263019916119,29cyclictest16999-21latency_hist10:50:040
263019916110,20cyclictest4540-21users07:50:490
26301991607,17cyclictest7554-21apt-get08:07:090
263019916042,15cyclictest10250irq/56-4a10000011:05:140
26301991588,20cyclictest26245-21ntp_states11:25:430
26301991579,15cyclictest6654-21apt-get10:12:130
263019915735,22cyclictest754-21systemd-journal09:41:260
263019915631,106cyclictest30666-21runrttasks09:35:200
263019915624,23cyclictest27737-21wget07:15:160
26301991558,19cyclictest4172-21ntp_states12:05:480
263019915543,100cyclictest24864-21runrttasks11:20:370
263019915540,104cyclictest8620-21runrttasks10:15:230
263019915522,20cyclictest1305-21snmpd11:40:330
263019915425,16cyclictest1305-21snmpd09:34:520
26301991538,16cyclictest9480-21df08:10:180
26301991536,20cyclictest28712-21ntp_states11:35:390
263019915343,14cyclictest10150irq/55-4a10000008:50:260
263019915335,16cyclictest30246-21wget07:25:150
263019915326,18cyclictest1305-21snmpd09:29:500
263019915324,19cyclictest620-21mailstats11:51:330
26301991527,19cyclictest23526-21df11:15:200
263019915220,14cyclictest15402-21latency_hist08:35:030
263019915220,12cyclictest1408-21nginx10:35:390
26301991516,17cyclictest3652-21latency_hist12:05:030
263019915143,13cyclictest10150irq/55-4a10000008:35:170
263019915045,11cyclictest0-21swapper/008:19:360
263019915044,85cyclictest10150irq/55-4a10000010:05:270
263019915034,17cyclictest1305-21snmpd07:14:220
263019915033,19cyclictest8253-21sshd12:21:320
263019915017,19cyclictest1305-21snmpd12:35:540
263019914939,15cyclictest18789-21proc_pri10:55:450
263019914929,17cyclictest26158-21sshd09:16:210
263019914922,17cyclictest32612-21/usr/sbin/munin07:35:350
26301991487,16cyclictest1305-21snmpd11:00:140
263019914848,89cyclictest27463-21sshd09:21:330
263019914843,95cyclictest10250irq/56-4a10000012:25:500
263019914840,14cyclictest10150irq/55-4a10000008:00:140
263019914829,12cyclictest10150irq/55-4a10000009:05:250
263019914828,28cyclictest3650irq/20-4900000008:55:240
263019914821,18cyclictest24294-21wget09:10:130
26301991479,18cyclictest5440-21ntp_states12:10:440
26301991477,28cyclictest10890-21chrt10:25:060
263019914732,14cyclictest3011-21seq07:45:330
26301991467,19cyclictest1305-21snmpd08:40:160
263019914639,96cyclictest4799-21runrttasks10:00:440
263019914635,21cyclictest5537-21runrttasks07:55:360
263019914633,13cyclictest0-21swapper/010:40:130
263019914546,87cyclictest12662-21/usr/sbin/munin10:30:450
263019914544,12cyclictest10150irq/55-4a10000011:45:220
263019914529,17cyclictest1652-21ntpq11:55:420
263019914527,22cyclictest31487-21wget07:30:160
263019914410,23cyclictest29083-21df07:20:170
263019914342,90cyclictest18603-21swap08:45:460
263019914335,18cyclictest4156-21latency_hist10:00:010
263019914332,17cyclictest226042chrt09:02:420
263019914245,79cyclictest10150irq/55-4a10000012:17:080
263019914237,19cyclictest18000-21runrttasks10:53:020
263019914142,16cyclictest13063-21seq08:25:120
263019914043,87cyclictest2308-21seq07:42:440
263019914039,16cyclictest27757-21runrttasks11:31:130
263019914038,17cyclictest9930-21if_eth010:20:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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