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2026-07-27 - 19:00
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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 Mon Jul 27, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26750221923,55sleep00-21swapper/019:09:300
1328121076,13sleep013319-21aten_r7power_po20:25:140
2185221055,14sleep01608-21ntpd21:00:050
910821036,12sleep09150-21tr00:20:480
469821035,13sleep04750-21latency_hist00:05:040
28559210325,66sleep0101ktimersoftd/019:15:380
2182421015,14sleep01608-21ntpd23:06:030
2694821005,12sleep00-21swapper/019:10:080
26876999854,12cyclictest101ktimersoftd/021:00:540
26876999167,10cyclictest101ktimersoftd/000:11:130
26876999152,24cyclictest101ktimersoftd/022:50:380
26876999139,33cyclictest11860-21runrttasks00:31:040
26876999128,29cyclictest29636-21memory23:35:370
26876999124,32cyclictest787-21haveged23:50:040
2687699909,44cyclictest25597-21ntp_states23:20:410
26876998932,38cyclictest0-21swapper/020:48:570
26876998840,33cyclictest3650irq/20-4900000023:42:120
26876998840,13cyclictest8950irq/40-mmc120:40:240
26876998836,33cyclictest31961-21aten_r7power_cu19:30:110
26876998835,39cyclictest0-21swapper/021:39:080
26876998833,18cyclictest4415-21sshd21:57:200
1887228817,57sleep0101ktimersoftd/022:55:340
26876998744,29cyclictest3650irq/20-4900000021:05:260
26876998731,24cyclictest10250irq/56-4a10000022:16:460
2687699867,31cyclictest1305-21snmpd22:37:330
26876998647,23cyclictest101ktimersoftd/023:32:100
26876998639,30cyclictest2049-21aten_r7power_cu19:40:120
26876998630,39cyclictest0-21swapper/019:28:410
2687699858,44cyclictest3567-21irqstats19:45:300
26876998543,29cyclictest3650irq/20-4900000022:25:440
26876998538,28cyclictest27335-21/usr/sbin/munin21:20:430
26876998460,10cyclictest101ktimersoftd/000:17:040
26876998456,12cyclictest4999-21sh00:05:200
26876998453,22cyclictest24724-21runrttasks23:17:120
2687699839,21cyclictest10209-21ntp_states00:25:390
2687699836,29cyclictest2377-21/usr/sbin/munin21:50:390
26876998352,14cyclictest10150irq/55-4a10000023:00:200
26876998346,23cyclictest101ktimersoftd/023:10:240
26876998333,14cyclictest1276-21runrttasks20:54:380
26876998332,31cyclictest2295-21wget23:55:150
54042824,7sleep00-21swapper/019:53:080
26876998251,16cyclictest14499-21runrttasks20:30:140
26876998126,40cyclictest0-21swapper/020:23:510
26876998119,28cyclictest10609-21latency_hist20:15:030
26876998054,10cyclictest101ktimersoftd/020:35:300
26876998049,21cyclictest26221-21/usr/sbin/munin21:15:150
26876998035,31cyclictest10250irq/56-4a10000022:33:450
26876998034,29cyclictest26929-21processes23:25:480
26876998030,17cyclictest9067-21sshd20:07:270
26876998029,33cyclictest30057-21/usr/sbin/munin21:30:290
26876998028,16cyclictest101ktimersoftd/019:55:150
26876997957,12cyclictest101ktimersoftd/020:17:060
26876997953,11cyclictest101ktimersoftd/019:20:390
26876997949,14cyclictest10150irq/55-4a10000000:38:180
26876997929,15cyclictest29011-21seq21:25:450
26876997858,12cyclictest101ktimersoftd/019:35:310
26876997848,13cyclictest10150irq/55-4a10000022:00:440
2687699778,17cyclictest32526-21diskstats21:40:240
26876997746,14cyclictest10150irq/55-4a10000022:40:220
26876997743,22cyclictest99542chrt22:20:150
26876997723,14cyclictest1326-21netstat23:50:360
26876997711,21cyclictest1305-21snmpd21:11:090
26876997710,16cyclictest2010-21node20:01:060
2687699768,32cyclictest1408-21nginx22:13:360
26876997643,16cyclictest10150irq/55-4a10000022:45:350
26876997628,30cyclictest6206-21wget22:05:160
26876997544,13cyclictest10150irq/55-4a10000021:45:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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