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2026-01-08 - 18:14
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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 Jan 08, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19293220629,49sleep00-21swapper/007:07:070
197119918042,30cyclictest10250irq/56-4a10000010:06:150
197119917538,31cyclictest10250irq/56-4a10000007:24:410
197119916834,29cyclictest2010-21node09:21:080
197119916634,13cyclictest0-21swapper/008:24:570
197119916620,22cyclictest30545-21wget07:50:110
197119916534,27cyclictest1351-21lldpd12:26:200
197119916126,12cyclictest10250irq/56-4a10000012:05:230
197119916039,29cyclictest3650irq/20-4900000010:12:120
197119915850,18cyclictest22467-21/usr/sbin/munin07:16:330
197119915748,14cyclictest10150irq/55-4a10000010:20:190
197119915743,20cyclictest20945-21seq07:12:080
197119915742,23cyclictest25737-21ntpq09:40:370
197119915740,29cyclictest3650irq/20-4900000011:07:100
197119915628,15cyclictest19758-21aten_r7power_en11:25:130
197119915551,13cyclictest10150irq/55-4a10000011:35:190
197119915435,32cyclictest751-21df08:00:190
19711991507,14cyclictest20838-21apt-get11:32:110
197119914955,15cyclictest16217-21latency_hist09:05:040
197119914754,13cyclictest101ktimersoftd/011:00:320
19711991468,19cyclictest2118-21if_eth008:05:280
19711991466,18cyclictest26482-21apt-get09:47:110
197119914650,18cyclictest12259-21/usr/sbin/munin10:55:430
197119914648,13cyclictest10150irq/55-4a10000008:34:510
197119914647,19cyclictest6199-21/usr/sbin/munin10:30:450
197119914157,11cyclictest101ktimersoftd/010:45:160
19711991387,27cyclictest2632-21apt-get10:17:100
600221047,79sleep06065-21cpuspeed12:35:160
1356821045,85sleep013604-21systemctl08:50:460
264052995,79sleep026439-21cpu11:50:140
278322977,76sleep027847-21irqstats11:55:290
270162975,77sleep026775-21/usr/sbin/munin07:35:260
291272946,78sleep01305-21snmpd07:44:490
19711999453,28cyclictest101ktimersoftd/011:15:420
218332936,75sleep021836-21entropy09:25:230
19711999035,41cyclictest10250irq/56-4a10000008:14:480
19711998964,11cyclictest101ktimersoftd/010:40:360
323362885,72sleep032337-21sshd12:11:080
19711998739,15cyclictest10250irq/56-4a10000007:45:580
230922865,68sleep023094-21fw_forwarded_lo09:30:250
19711998656,14cyclictest10150irq/55-4a10000012:00:370
19711998449,24cyclictest0-21swapper/012:15:210
19711998435,34cyclictest10150irq/55-4a10000008:40:020
19711998340,29cyclictest3650irq/20-4900000008:45:390
19711998333,40cyclictest10250irq/56-4a10000009:50:290
19711998249,14cyclictest10150irq/55-4a10000012:30:180
19711998161,11cyclictest101ktimersoftd/010:00:460
19711998140,28cyclictest3650irq/20-4900000009:05:220
19711998133,14cyclictest10250irq/56-4a10000011:21:280
19711998050,12cyclictest10150irq/55-4a10000007:55:200
19711998048,15cyclictest10150irq/55-4a10000012:25:030
19711998035,30cyclictest23891-21aten_r7power_en11:40:140
19711997933,31cyclictest10250irq/56-4a10000009:36:100
19711997922,46cyclictest0-21swapper/008:57:520
1971199788,17cyclictest18922-21diskstats09:15:210
19711997848,19cyclictest25314-21/usr/sbin/munin11:45:260
19711997848,14cyclictest4884-21grep10:25:450
19711997836,29cyclictest10250irq/56-4a10000007:25:500
19711997810,17cyclictest25751-21diskstats07:30:230
19711997758,12cyclictest101ktimersoftd/011:10:470
19711997722,30cyclictest101ktimersoftd/008:30:040
19711997648,12cyclictest10150irq/55-4a10000008:45:010
1971199758,18cyclictest4714-21ntp_states08:15:400
19711997544,14cyclictest10150irq/55-4a10000010:35:140
19711997455,11cyclictest101ktimersoftd/010:50:240
19711997253,11cyclictest101ktimersoftd/009:55:310
19711997247,17cyclictest17721-21sshd09:10:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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