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2026-05-17 - 03:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Sun May 17, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104182215167,37sleep20-21swapper/219:07:592
139491206173,22phc2sys0-21swapper/319:05:493
104472202169,22sleep10-21swapper/119:08:231
105032201168,22sleep00-21swapper/019:09:060
2558421770,6sleep11086699cyclictest19:40:151
2896021630,7sleep01086599cyclictest00:15:250
57898910,70rtkit-daemon0-21swapper/219:10:012
1086599552,10cyclictest3942-21sed23:25:140
1086599540,15cyclictest1266-21mailstats19:55:230
225562520,2sleep00-21swapper/019:35:000
225562520,2sleep00-21swapper/019:35:000
253142510,1sleep30-21swapper/320:45:243
139391510,1ptp4l401ktimersoftd/321:10:183
10865995146,3cyclictest923-21sh23:20:010
1086599492,9cyclictest12516-21idleruntime22:35:170
1086599491,10cyclictest30024-21cat19:50:130
10867994742,3cyclictest26105-21sh20:50:012
139391420,0ptp4l401ktimersoftd/323:55:323
139391420,0ptp4l401ktimersoftd/319:40:213
139391420,0ptp4l401ktimersoftd/300:35:173
10867994224,17cyclictest33-21ksoftirqd/222:55:002
139391410,1ptp4l401ktimersoftd/323:41:333
10866994136,2cyclictest25-21ksoftirqd/120:40:011
1086699411,37cyclictest27356-21cron00:15:001
10865994135,3cyclictest17453-21irqrtprio20:30:190
10866994034,3cyclictest25-21ksoftirqd/120:15:001
1086599406,4cyclictest9-21ksoftirqd/000:09:310
1086599403,4cyclictest0-21swapper/020:30:010
1086599402,9cyclictest26811-21unixbench_singl21:55:280
1086599401,16cyclictest9572-21/usr/sbin/munin21:20:240
1086599400,7cyclictest13771-21hddtemp_smartct19:15:170
1086599400,7cyclictest10694-21meminfo20:15:190
1086599400,5cyclictest9-21ksoftirqd/020:50:120
10868993910,3cyclictest221452iwlist20:40:173
10866993935,2cyclictest25-21ksoftirqd/100:20:001
10866993934,3cyclictest25-21ksoftirqd/122:50:011
10866993934,3cyclictest25-21ksoftirqd/100:40:011
1086599391,7cyclictest32018-21irqstats21:00:200
1086599390,8cyclictest29355-21iostat20:55:190
1086599390,8cyclictest24402-21fschecks_count20:45:150
1086599390,8cyclictest12037-21python21:25:260
1086599390,7cyclictest23835-21meminfo19:35:190
1086599390,7cyclictest21933-21df_inode20:40:150
1086599390,5cyclictest9-21ksoftirqd/021:45:230
1086599390,10cyclictest4869-21grep22:20:130
10866993833,3cyclictest25-21ksoftirqd/123:45:001
10866993833,3cyclictest25-21ksoftirqd/119:50:011
10866993833,3cyclictest14200-21ls20:25:001
1086599380,7cyclictest18661-21irqstats21:40:190
1086599380,7cyclictest18146-21df23:55:140
10868993730,4cyclictest41-21ksoftirqd/320:39:383
10868993730,4cyclictest41-21ksoftirqd/319:16:383
10867993731,4cyclictest33-21ksoftirqd/220:11:492
10867993731,4cyclictest19868-21turbostat21:45:002
10866993732,3cyclictest25-21ksoftirqd/121:45:191
10866993732,3cyclictest25-21ksoftirqd/121:05:001
10866993732,3cyclictest25-21ksoftirqd/120:35:011
10866993731,3cyclictest25-21ksoftirqd/119:50:141
10865993731,4cyclictest9-21ksoftirqd/019:50:010
1086599370,6cyclictest7870-21iostat22:25:200
139391360,0ptp4l401ktimersoftd/323:49:563
10868993630,4cyclictest41-21ksoftirqd/320:26:343
10868993629,4cyclictest41-21ksoftirqd/323:17:143
10867993631,3cyclictest33-21ksoftirqd/221:06:552
10867993631,3cyclictest17614-21cron23:55:002
10867993630,4cyclictest33-21ksoftirqd/222:15:482
10867993630,3cyclictest20054-21latency_hist23:59:592
10866993631,3cyclictest25-21ksoftirqd/123:58:241
10866993631,3cyclictest25-21ksoftirqd/122:29:591
10866993631,3cyclictest25-21ksoftirqd/122:20:011
10866993631,3cyclictest25-21ksoftirqd/122:04:591
10866993631,3cyclictest25-21ksoftirqd/121:20:191
10866993631,3cyclictest25-21ksoftirqd/119:35:001
10866993631,3cyclictest25-21ksoftirqd/119:35:001
10866993630,4cyclictest25-21ksoftirqd/121:37:531
1086599361,5cyclictest9-21ksoftirqd/021:10:160
1086599360,7cyclictest411-21hddtemp_smartct00:25:180
10868993529,3cyclictest41-21ksoftirqd/323:29:593
10867993531,3cyclictest33-21ksoftirqd/222:05:162
10867993531,3cyclictest33-21ksoftirqd/222:05:152
10867993529,4cyclictest33-21ksoftirqd/223:37:122
10867993529,4cyclictest33-21ksoftirqd/222:48:052
10867993529,4cyclictest33-21ksoftirqd/222:38:432
10867993529,4cyclictest33-21ksoftirqd/221:12:092
10867993529,4cyclictest33-21ksoftirqd/220:51:242
10867993529,4cyclictest33-21ksoftirqd/219:52:512
10867993529,4cyclictest33-21ksoftirqd/200:30:062
10866993530,3cyclictest25-21ksoftirqd/123:00:001
10866993530,3cyclictest25-21ksoftirqd/120:19:591
10866993530,3cyclictest25-21ksoftirqd/119:40:001
10866993530,2cyclictest25-21ksoftirqd/121:15:181
10866993529,4cyclictest25-21ksoftirqd/120:41:121
10866993529,4cyclictest25-21ksoftirqd/119:27:551
10866993529,3cyclictest25-21ksoftirqd/123:25:121
10866993529,3cyclictest25-21ksoftirqd/120:00:001
10865993528,4cyclictest9-21ksoftirqd/023:00:150
10868993428,4cyclictest41-21ksoftirqd/323:13:493
10868993428,4cyclictest41-21ksoftirqd/322:34:513
10868993428,4cyclictest41-21ksoftirqd/321:31:253
10868993428,4cyclictest41-21ksoftirqd/320:30:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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