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2026-04-16 - 17:03
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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 Apr 16, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29258218531,123sleep00-21swapper/019:06:130
297729917238,41cyclictest0-21swapper/023:36:300
297729917231,20cyclictest23052-21wget22:55:130
297729917032,35cyclictest19320-21wget22:40:130
297729916557,16cyclictest14477-21aten_r7power_po20:15:140
297729915953,20cyclictest17018-21/usr/sbin/munin22:30:370
297729915422,51cyclictest122932chrt20:05:370
297729915319,15cyclictest31247-21latency_hist21:20:050
297729915253,17cyclictest12106-21/usr/sbin/munin00:16:030
297729914344,25cyclictest0-21swapper/020:10:210
2771821158,93sleep027738-21df21:05:210
31477211312,87sleep031478-21users23:25:500
997121116,90sleep09995-21grep00:10:030
2390121065,88sleep023916-21/usr/sbin/munin20:50:400
2081821036,83sleep020819-21memory22:45:340
2665721015,84sleep025373-21apt-get23:07:120
323072996,81sleep032310-21df_inode23:30:230
29772999855,25cyclictest0-21swapper/020:39:320
20252985,80sleep02048-21awk21:30:470
131632985,79sleep013166-21diskstats00:20:160
12362986,77sleep01272-21aten_r7power_vo19:25:140
88802978,78sleep08881-21users19:51:370
184042965,11sleep018402-21ntp_states22:35:420
100252958,76sleep010028-21/usr/sbin/munin19:55:500
38332935,75sleep03835-21latency_hist21:40:030
29772999349,10cyclictest101ktimersoftd/023:41:240
29772999270,13cyclictest0-21swapper/019:10:030
29772999267,10cyclictest101ktimersoftd/020:30:220
29772999119,37cyclictest31861-21apt-cache19:17:120
53842885,73sleep05397-21ntpq23:50:320
29772998857,13cyclictest5153-21latency_hist21:45:040
29772998844,30cyclictest3650irq/20-4900000020:47:120
29772998720,30cyclictest787-21haveged22:15:040
29772998638,30cyclictest3842-21cpuspeed19:35:150
29772998538,31cyclictest3650irq/20-4900000019:47:100
29772998538,31cyclictest11241-21https00:15:050
29772998442,29cyclictest3650irq/20-4900000022:05:220
29772998353,14cyclictest10150irq/55-4a10000021:25:190
29772998262,10cyclictest101ktimersoftd/022:03:140
29772998251,13cyclictest10150irq/55-4a10000020:00:430
29772998248,25cyclictest0-21swapper/020:55:220
29772998144,27cyclictest0-21swapper/021:10:300
29772998135,30cyclictest13079-21proc_pri22:15:430
29772998133,32cyclictest10250irq/56-4a10000019:20:080
29772998126,18cyclictest32481-21chrt21:24:520
29772998115,20cyclictest29488-21latency_hist23:20:050
83342805,12sleep00-21swapper/000:02:010
29772998034,14cyclictest10250irq/56-4a10000000:38:310
2977299799,20cyclictest21763-21latency_hist20:45:050
29772997946,25cyclictest0-21swapper/023:00:210
29772997930,16cyclictest10250irq/56-4a10000019:40:120
29772997928,33cyclictest4109-21uname23:45:300
29772997860,10cyclictest101ktimersoftd/022:20:220
29772997834,35cyclictest787-21haveged21:50:060
29772997832,31cyclictest10250irq/56-4a10000023:23:520
29772997820,15cyclictest5576-21ntp_states21:45:410
29772997753,15cyclictest101ktimersoftd/000:30:320
29772997747,14cyclictest10150irq/55-4a10000022:50:240
29772997739,25cyclictest10250irq/56-4a10000023:55:090
29772997721,26cyclictest14747-21grep00:25:130
29772997646,14cyclictest10150irq/55-4a10000019:30:180
29772997645,14cyclictest10150irq/55-4a10000020:20:170
29772997642,18cyclictest10150irq/55-4a10000021:55:170
29772997622,16cyclictest802-21in:imuxsock23:10:250
29772997545,14cyclictest10150irq/55-4a10000020:25:400
29772997526,32cyclictest1408-21nginx21:00:280
29772997455,11cyclictest101ktimersoftd/022:25:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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