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2026-07-10 - 04:13
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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 Thu Jul 09, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24968218823,134sleep00-21swapper/007:06:040
255009917737,24cyclictest754-21systemd-journal09:50:410
255009917120,22cyclictest1408-21nginx07:49:480
255009916436,107cyclictest1276-21runrttasks07:59:320
255009916244,96cyclictest10150irq/55-4a10000009:20:390
255009916240,107cyclictest10250irq/56-4a10000011:26:290
255009916026,12cyclictest0-21swapper/011:46:090
255009916020,16cyclictest0-21swapper/010:35:470
255009915940,107cyclictest1865-21ntpq07:41:090
25500991578,20cyclictest17027-21if_err_eth008:40:280
255009915640,103cyclictest18870-21find10:55:460
255009915627,19cyclictest1305-21snmpd07:39:510
255009915624,112cyclictest10886-21runrttasks10:25:070
25500991558,17cyclictest5226-21diskstats12:10:250
255009915538,95cyclictest29940-21netstat09:30:360
255009915535,13cyclictest0-21swapper/011:16:000
25500991548,38cyclictest1305-21snmpd09:15:140
25500991548,17cyclictest11287-21apt-get08:17:070
255009915445,97cyclictest1577-21/usr/sbin/munin11:55:340
255009915439,104cyclictest8105-21runrttasks10:13:400
255009915438,11cyclictest10150irq/55-4a10000007:31:160
255009915432,19cyclictest754-21systemd-journal10:34:240
25500991539,19cyclictest11656-21ntp_states12:35:400
255009915340,10cyclictest10150irq/55-4a10000010:20:030
255009915338,18cyclictest263762chrt07:12:160
25500991528,20cyclictest8777-21apt-get08:12:070
255009915241,99cyclictest1085-21df09:45:180
255009915239,14cyclictest10250irq/56-4a10000012:05:150
255009915236,104cyclictest8786-21runrttasks12:25:080
255009915235,20cyclictest16692-21sshd10:47:270
255009915224,11cyclictest0-21swapper/011:31:060
255009915144,96cyclictest5019-21awk10:00:340
255009915139,103cyclictest29854-21sendmail11:40:020
255009915137,102cyclictest14398-21cpu08:30:140
25500991506,23cyclictest32219-21wget09:40:140
25500991506,20cyclictest18701-21sshd08:46:250
255009915043,94cyclictest28220-21apt-key09:25:170
255009915038,16cyclictest47132chrt07:52:230
255009915010,17cyclictest30927-21wget09:35:130
255009914941,96cyclictest31047-21seq11:44:390
255009914932,17cyclictest7822-21if_eth012:20:300
255009914927,13cyclictest8950irq/40-mmc108:05:260
255009914926,22cyclictest1408-21nginx08:51:050
255009914835,21cyclictest22029-21cat09:00:290
255009914832,18cyclictest2010-21node10:41:230
255009914831,14cyclictest10150irq/55-4a10000010:00:030
255009914812,16cyclictest32638-21sh11:50:170
25500991477,22cyclictest10058-21ntp_states10:20:420
255009914735,16cyclictest20575-21aten_r7power_vo08:55:130
255009914726,17cyclictest7048-21apt-get12:17:090
255009914633,21cyclictest13217-21df08:25:170
255009914633,15cyclictest0-21swapper/009:10:530
255009914627,18cyclictest11825-21grep08:20:140
25500991456,32cyclictest1276-21runrttasks11:07:250
255009914543,90cyclictest6681-21if_eth008:00:290
255009914541,93cyclictest22912-21runrttasks11:12:280
25500991446,31cyclictest6720-21sshd10:07:240
255009914439,93cyclictest10219-21runrttasks12:30:160
255009914437,96cyclictest2934-21runrttasks12:00:400
255009914436,97cyclictest20430-21runrttasks11:02:270
255009914436,21cyclictest17118-21aten_r7power_cu10:50:100
255009914436,16cyclictest25399-21seq11:22:170
255009914435,22cyclictest24102-21cron09:10:000
255009914431,12cyclictest0-21swapper/007:25:300
255009914415,18cyclictest26941-21wget07:15:150
255009914341,91cyclictest16165-21runrttasks08:36:060
255009914227,20cyclictest28327-21sshd07:20:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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