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2025-08-31 - 20:24
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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 rackdslot2.osadl.org (updated Sun Aug 31, 2025 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134042230168,50sleep00-21swapper/007:09:220
133442208168,28sleep20-21swapper/207:08:442
137391206172,22phc2sys0-21swapper/307:05:403
132542203171,21sleep10-21swapper/107:07:341
2778021360,7sleep11374699cyclictest11:00:171
2778021360,7sleep11374699cyclictest11:00:171
32002580,2sleep20-21swapper/211:15:202
13745995725,4cyclictest9-21ksoftirqd/012:00:130
1374899555,15cyclictest2089-21/usr/sbin/munin09:00:283
1374899554,14cyclictest1314-21snmpd11:02:463
1374899554,14cyclictest1314-21snmpd11:02:463
13745995524,10cyclictest9-21ksoftirqd/007:25:010
127782550,2sleep00-21swapper/008:15:010
194342520,2sleep00-21swapper/011:50:160
1374899525,16cyclictest19065-21/usr/sbin/munin11:50:223
1374899524,10cyclictest3985-21df_abs12:25:183
13745995227,7cyclictest9-21ksoftirqd/007:30:230
13745995226,7cyclictest9-21ksoftirqd/008:55:130
13745995220,3cyclictest9-21ksoftirqd/011:40:150
13745995218,6cyclictest9-21ksoftirqd/011:25:150
13745995218,4cyclictest9-21ksoftirqd/008:45:230
13745995218,3cyclictest9-21ksoftirqd/010:20:230
13745995217,3cyclictest9-21ksoftirqd/009:50:250
13745995123,4cyclictest9-21ksoftirqd/009:20:000
13745995120,6cyclictest9-21ksoftirqd/012:25:180
13745995119,4cyclictest9-21ksoftirqd/009:20:270
13745995119,4cyclictest9-21ksoftirqd/009:20:260
13745995118,4cyclictest9-21ksoftirqd/010:55:280
1374899504,16cyclictest10426-21/usr/sbin/munin08:10:223
13745995023,3cyclictest9-21ksoftirqd/010:40:220
13745995021,3cyclictest9-21ksoftirqd/010:35:270
13745995020,4cyclictest9-21ksoftirqd/011:16:060
13745995018,4cyclictest9-21ksoftirqd/011:30:170
13745995018,4cyclictest9-21ksoftirqd/007:15:000
13745995018,3cyclictest9-21ksoftirqd/010:00:230
13745995017,3cyclictest9-21ksoftirqd/012:05:220
13745995015,6cyclictest9-21ksoftirqd/011:20:240
1374899492,15cyclictest0-21swapper/307:39:043
13745994925,3cyclictest9-21ksoftirqd/009:05:060
13745994924,7cyclictest9-21ksoftirqd/012:10:210
13745994924,7cyclictest9-21ksoftirqd/007:35:180
13745994924,6cyclictest9-21ksoftirqd/008:05:130
13745994920,3cyclictest9-21ksoftirqd/012:32:320
13745994916,3cyclictest9-21ksoftirqd/010:25:270
13745994914,5cyclictest9-21ksoftirqd/007:25:170
13745994912,5cyclictest9-21ksoftirqd/011:35:250
13745994825,6cyclictest9-21ksoftirqd/010:15:220
13745994821,4cyclictest9-21ksoftirqd/010:08:500
13745994820,5cyclictest9-21ksoftirqd/009:35:180
13745994816,6cyclictest9-21ksoftirqd/011:55:160
1374599481,43cyclictest10511-21wc12:40:000
1374599481,43cyclictest10511-21wc12:40:000
13745994811,5cyclictest9-21ksoftirqd/008:35:150
86602470,1sleep30-21swapper/311:25:273
13748994741,3cyclictest30921-21cron12:15:013
1374899473,14cyclictest1922-21irqrtprio12:20:173
13745994720,3cyclictest9-21ksoftirqd/007:43:490
13745994718,4cyclictest9-21ksoftirqd/010:51:450
13745994718,4cyclictest9-21ksoftirqd/009:28:560
13745994718,4cyclictest9-21ksoftirqd/009:28:560
13745994717,7cyclictest9-21ksoftirqd/007:50:200
13745994713,4cyclictest9-21ksoftirqd/011:45:000
42098460,6rtkit-daemon0-21swapper/008:17:390
1374699462,41cyclictest23806-21ls11:59:591
13745994636,2cyclictest9-21ksoftirqd/008:25:010
13745994622,7cyclictest9-21ksoftirqd/011:08:560
13745994616,5cyclictest9-21ksoftirqd/011:04:170
13745994616,5cyclictest9-21ksoftirqd/011:04:170
13745994613,8cyclictest9-21ksoftirqd/009:30:240
13745994612,6cyclictest9-21ksoftirqd/010:10:140
13745994535,2cyclictest9-21ksoftirqd/008:30:210
13745994521,7cyclictest9-21ksoftirqd/007:55:190
13745994518,3cyclictest9-21ksoftirqd/007:45:160
1374599445,2cyclictest9-21ksoftirqd/008:05:000
13745994436,5cyclictest9-21ksoftirqd/007:20:010
13745994421,7cyclictest9-21ksoftirqd/009:45:240
13745994413,4cyclictest9-21ksoftirqd/009:00:270
137291440,0ptp4l401ktimersoftd/311:44:033
1374899434,17cyclictest1314-21snmpd09:37:253
1374899430,40cyclictest24456-21cron08:40:003
13745994329,2cyclictest9-21ksoftirqd/008:40:240
13745994319,4cyclictest9-21ksoftirqd/010:47:420
13745994310,5cyclictest9-21ksoftirqd/009:55:170
137291430,0ptp4l401ktimersoftd/310:12:103
137291430,0ptp4l401ktimersoftd/309:24:253
137291430,0ptp4l401ktimersoftd/309:24:243
13745994213,6cyclictest9-21ksoftirqd/012:15:130
137291420,0ptp4l401ktimersoftd/312:00:503
137291420,0ptp4l401ktimersoftd/310:58:363
137291420,0ptp4l401ktimersoftd/309:08:193
137291420,0ptp4l401ktimersoftd/308:50:013
13745994115,8cyclictest9-21ksoftirqd/011:10:130
1374599408,5cyclictest9-21ksoftirqd/008:25:180
13745994035,2cyclictest9-21ksoftirqd/009:15:000
13745994032,2cyclictest9-21ksoftirqd/012:25:000
1374599400,2cyclictest9-21ksoftirqd/010:30:240
13745993912,4cyclictest9-21ksoftirqd/009:40:160
137291390,0ptp4l401ktimersoftd/309:31:473
1374899380,9cyclictest0-21swapper/310:30:003
13745993833,3cyclictest9-21ksoftirqd/008:50:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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