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2025-12-18 - 21:07
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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 rack1slot1.osadl.org (updated Thu Dec 18, 2025 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289642208151,42sleep00-21swapper/007:09:560
288222201162,26sleep20-21swapper/207:08:052
286542198159,26sleep30-21swapper/307:05:533
288262195157,25sleep10-21swapper/107:08:081
160442600,0sleep10-21swapper/112:20:211
29067991816,1cyclictest9-21ksoftirqd/008:55:160
29067991716,1cyclictest9-21ksoftirqd/010:20:090
29067991715,1cyclictest9-21ksoftirqd/012:15:130
2906799167,8cyclictest9-21ksoftirqd/009:15:130
29067991616,0cyclictest9-21ksoftirqd/011:50:140
29067991616,0cyclictest9-21ksoftirqd/010:45:110
29067991615,1cyclictest9-21ksoftirqd/011:30:200
29067991514,1cyclictest9-21ksoftirqd/011:55:130
29067991514,1cyclictest9-21ksoftirqd/009:50:170
29067991514,1cyclictest9-21ksoftirqd/008:25:210
29067991514,1cyclictest9-21ksoftirqd/008:20:130
29067991514,0cyclictest9-21ksoftirqd/011:10:170
29067991514,0cyclictest9-21ksoftirqd/010:35:190
29081991412,1cyclictest28-21ksoftirqd/207:45:002
29067991414,0cyclictest9-21ksoftirqd/012:00:140
29067991414,0cyclictest9-21ksoftirqd/011:25:210
29067991414,0cyclictest9-21ksoftirqd/009:45:210
29067991414,0cyclictest9-21ksoftirqd/009:45:210
29067991413,1cyclictest9-21ksoftirqd/008:15:190
29067991413,1cyclictest9-21ksoftirqd/007:15:120
29067991410,3cyclictest9-21ksoftirqd/007:35:140
79402130,0sleep10-21swapper/110:55:151
29081991311,1cyclictest28-21ksoftirqd/207:45:142
2906799138,2cyclictest9-21ksoftirqd/011:45:120
29067991313,0cyclictest9-21ksoftirqd/011:40:130
29067991313,0cyclictest9-21ksoftirqd/010:00:110
29067991313,0cyclictest9-21ksoftirqd/009:35:140
29067991312,1cyclictest9-21ksoftirqd/011:40:000
29067991312,1cyclictest9-21ksoftirqd/011:05:210
29067991312,1cyclictest9-21ksoftirqd/010:55:110
29067991312,1cyclictest9-21ksoftirqd/010:40:120
29067991312,1cyclictest9-21ksoftirqd/008:40:000
29067991312,1cyclictest9-21ksoftirqd/007:55:200
29067991311,1cyclictest9-21ksoftirqd/012:40:000
29067991311,1cyclictest9-21ksoftirqd/011:15:150
29067991311,1cyclictest9-21ksoftirqd/007:25:210
29081991210,1cyclictest28-21ksoftirqd/209:50:002
29081991210,1cyclictest28-21ksoftirqd/209:50:002
2906799129,1cyclictest9-21ksoftirqd/010:30:000
2906799126,5cyclictest9-21ksoftirqd/008:00:200
29067991212,0cyclictest9-21ksoftirqd/012:25:110
29067991212,0cyclictest9-21ksoftirqd/011:20:140
29067991212,0cyclictest9-21ksoftirqd/009:05:110
29067991211,1cyclictest9-21ksoftirqd/012:35:000
29067991211,1cyclictest9-21ksoftirqd/009:15:000
29067991211,1cyclictest9-21ksoftirqd/008:49:070
29067991210,1cyclictest9-21ksoftirqd/012:10:000
29067991210,1cyclictest9-21ksoftirqd/008:15:000
29067991210,1cyclictest9-21ksoftirqd/008:10:000
29067991210,1cyclictest9-21ksoftirqd/007:55:000
29067991210,1cyclictest9-21ksoftirqd/007:40:120
29067991210,1cyclictest9-21ksoftirqd/007:15:000
2908199119,1cyclictest28-21ksoftirqd/212:25:002
2907399110,0cyclictest0-21swapper/110:53:181
2906799119,1cyclictest9-21ksoftirqd/011:05:000
2906799119,1cyclictest9-21ksoftirqd/010:50:210
2906799119,1cyclictest9-21ksoftirqd/010:35:000
2906799119,1cyclictest9-21ksoftirqd/010:00:010
2906799119,1cyclictest9-21ksoftirqd/009:20:000
2906799119,1cyclictest9-21ksoftirqd/009:00:170
2906799119,1cyclictest9-21ksoftirqd/008:35:000
2906799119,1cyclictest9-21ksoftirqd/007:50:000
2906799119,1cyclictest9-21ksoftirqd/007:20:160
2906799116,4cyclictest9-21ksoftirqd/009:25:210
29067991110,1cyclictest9-21ksoftirqd/012:10:130
29067991110,1cyclictest9-21ksoftirqd/010:20:000
29067991110,1cyclictest9-21ksoftirqd/007:35:000
2908199109,1cyclictest28-21ksoftirqd/210:45:152
2908199108,1cyclictest28-21ksoftirqd/208:40:162
2908199108,1cyclictest28-21ksoftirqd/207:25:132
2907399100,4cyclictest0-21swapper/110:10:121
2906799109,1cyclictest9-21ksoftirqd/012:20:130
2906799109,1cyclictest9-21ksoftirqd/008:50:130
2906799109,1cyclictest9-21ksoftirqd/008:50:130
2906799108,1cyclictest9-21ksoftirqd/009:45:000
2906799108,1cyclictest9-21ksoftirqd/009:30:140
2906799108,1cyclictest9-21ksoftirqd/008:40:120
2906799107,2cyclictest9-21ksoftirqd/010:05:100
2906799101,4cyclictest20174-21cat10:15:000
290899998,1cyclictest35-21ksoftirqd/310:10:003
290899990,9cyclictest20893-21sendmail08:00:013
290819998,1cyclictest28-21ksoftirqd/212:15:122
290819990,1cyclictest29051-21cyclictest08:35:212
290899986,1cyclictest707-21snmpd12:14:373
290899986,1cyclictest707-21snmpd10:34:043
290899986,1cyclictest707-21snmpd09:35:083
290899986,1cyclictest707-21snmpd09:28:533
290899986,1cyclictest35-21ksoftirqd/310:00:013
290899982,3cyclictest0-21swapper/310:45:113
290819987,1cyclictest28-21ksoftirqd/211:55:012
290819987,1cyclictest28-21ksoftirqd/210:20:002
290819987,1cyclictest28-21ksoftirqd/210:05:182
290819987,1cyclictest28-21ksoftirqd/208:15:112
290819987,1cyclictest28-21ksoftirqd/207:20:142
290819986,1cyclictest707-21snmpd10:51:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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