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2026-05-06 - 20:56
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Wed May 06, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15752223937,65sleep00-21swapper/019:07:150
161499911491,14cyclictest0-21swapper/019:10:040
2349210713,12sleep02364-21ntpq22:30:360
2269221076,13sleep022460-21/usr/sbin/munin19:35:270
2131721065,12sleep021324-21if_err_eth023:45:290
2445721055,11sleep024495-21cut21:50:130
1772621045,10sleep017762-21awk19:15:290
1602421016,11sleep016049-21/usr/sbin/munin21:15:340
79321005,11sleep0843-21/usr/sbin/munin22:25:150
181742995,13sleep01312-21sshd23:32:410
323232985,11sleep032331-21ntp_states22:20:420
202142965,12sleep020225-21ntp_states23:40:400
137862955,11sleep013789-21diskstats23:15:210
16149999453,24cyclictest0-21swapper/022:49:350
225542935,12sleep022555-21fw_forwarded_lo23:50:290
1614999919,19cyclictest1305-21snmpd21:14:120
16149999137,37cyclictest16742-21kworker/u2:222:52:090
16149999049,23cyclictest0-21swapper/019:43:510
16149999039,15cyclictest14949-21aten_r7power_vo23:20:100
16149998947,16cyclictest27505-21aten_r7power_po19:55:140
16149998943,31cyclictest3650irq/20-4900000000:37:120
16149998917,34cyclictest10613-21latency_hist20:55:020
16149998825,29cyclictest787-21haveged21:25:050
16149998744,26cyclictest101ktimersoftd/020:47:080
16149998739,30cyclictest5663-21/usr/sbin/munin20:35:300
16149998739,29cyclictest10730-21/usr/sbin/munin20:55:430
16149998728,46cyclictest0-21swapper/021:09:110
16149998651,26cyclictest0-21swapper/023:25:240
16149998560,11cyclictest101ktimersoftd/022:15:280
16149998540,29cyclictest3650irq/20-4900000022:35:270
16149998538,15cyclictest10250irq/56-4a10000000:12:170
1614999849,39cyclictest1643-21/usr/sbin/munin20:20:410
1614999848,16cyclictest1305-21snmpd20:09:260
16149998438,15cyclictest10250irq/56-4a10000019:51:280
16149998424,24cyclictest0-21swapper/023:09:400
16149998421,24cyclictest32176-21sshd00:27:130
1614999838,23cyclictest537-21diskstats20:15:230
16149998352,13cyclictest10150irq/55-4a10000020:00:180
16149998348,26cyclictest0-21swapper/000:09:360
16149998346,25cyclictest0-21swapper/000:00:390
16149998338,14cyclictest10250irq/56-4a10000019:46:280
16149998237,28cyclictest3650irq/20-4900000021:25:390
16149998135,36cyclictest1276-21runrttasks00:18:560
16149998134,11cyclictest101ktimersoftd/023:00:010
16149998133,30cyclictest7384-21runrttasks20:41:570
16149998048,13cyclictest10150irq/55-4a10000000:30:310
16149998044,25cyclictest0-21swapper/023:00:280
16149998036,31cyclictest3650irq/20-4900000000:00:030
16149998028,18cyclictest1408-21nginx21:01:440
16149997937,28cyclictest5044-21runrttasks20:33:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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