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2026-08-27 - 21:37
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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 Aug 27, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26502201162,25sleep10-21swapper/107:09:071
26142201163,24sleep00-21swapper/007:08:370
27032200159,27sleep20-21swapper/207:09:482
24112200168,20sleep30-21swapper/307:05:593
74882170,0sleep30-21swapper/310:56:153
132152160,0sleep00-21swapper/007:30:120
2825991312,1cyclictest28-21ksoftirqd/211:20:202
2825991311,1cyclictest28-21ksoftirqd/212:13:282
2825991311,1cyclictest28-21ksoftirqd/209:20:002
2825991210,1cyclictest28-21ksoftirqd/211:30:012
2825991210,1cyclictest28-21ksoftirqd/210:15:152
281799120,11cyclictest0-21swapper/111:40:121
280599121,5cyclictest20749-21latency_hist09:45:010
282599119,1cyclictest28-21ksoftirqd/209:10:152
2825991111,0cyclictest28-21ksoftirqd/212:17:142
2825991110,1cyclictest28-21ksoftirqd/211:45:212
2825991110,1cyclictest28-21ksoftirqd/209:50:182
282599110,7cyclictest240-21systemd-journal10:00:002
282599110,0cyclictest0-21swapper/212:32:112
280599119,1cyclictest9-21ksoftirqd/010:10:140
2805991110,1cyclictest9-21ksoftirqd/012:35:120
2805991110,1cyclictest9-21ksoftirqd/011:00:130
2805991110,1cyclictest9-21ksoftirqd/009:00:000
282599109,1cyclictest28-21ksoftirqd/211:55:182
282599109,1cyclictest28-21ksoftirqd/211:50:282
282599109,1cyclictest28-21ksoftirqd/211:15:112
282599109,1cyclictest28-21ksoftirqd/209:35:122
282599109,1cyclictest28-21ksoftirqd/209:20:132
282599108,1cyclictest28-21ksoftirqd/212:05:002
282599108,1cyclictest28-21ksoftirqd/211:10:162
282599108,1cyclictest28-21ksoftirqd/210:30:132
282599108,1cyclictest28-21ksoftirqd/207:50:152
2825991010,0cyclictest28-21ksoftirqd/212:39:552
282599100,6cyclictest27678-21diskmemload11:40:102
280599109,1cyclictest9-21ksoftirqd/011:30:010
280599109,1cyclictest9-21ksoftirqd/010:45:140
280599109,1cyclictest9-21ksoftirqd/009:15:130
280599109,1cyclictest9-21ksoftirqd/008:45:000
280599109,1cyclictest9-21ksoftirqd/007:15:020
280599109,1cyclictest9-21ksoftirqd/007:14:590
280599108,1cyclictest27059-21cron08:00:010
28259999,0cyclictest32274-21sensors10:45:192
28259999,0cyclictest28-21ksoftirqd/212:05:222
28259999,0cyclictest28-21ksoftirqd/210:05:192
28259998,1cyclictest28-21ksoftirqd/212:25:142
28259998,1cyclictest28-21ksoftirqd/210:50:152
28259998,1cyclictest28-21ksoftirqd/210:35:292
28259998,1cyclictest28-21ksoftirqd/210:00:122
28259998,1cyclictest28-21ksoftirqd/207:24:592
28259997,1cyclictest28-21ksoftirqd/208:25:002
28179990,6cyclictest0-21swapper/108:40:151
28059999,0cyclictest9-21ksoftirqd/010:00:170
28059998,1cyclictest9-21ksoftirqd/012:05:140
28059998,1cyclictest9-21ksoftirqd/010:43:120
28059998,1cyclictest9-21ksoftirqd/010:09:590
28339987,1cyclictest35-21ksoftirqd/312:15:013
28339986,1cyclictest11301-21snmpd11:19:463
28339986,1cyclictest11301-21snmpd08:07:533
28339981,5cyclictest11301-21snmpd09:12:113
28259988,0cyclictest28-21ksoftirqd/210:10:192
28259988,0cyclictest28-21ksoftirqd/209:27:512
28259987,1cyclictest28-21ksoftirqd/211:05:192
28259987,1cyclictest28-21ksoftirqd/210:40:292
28259987,1cyclictest28-21ksoftirqd/210:26:162
28259987,1cyclictest28-21ksoftirqd/210:20:142
28259987,1cyclictest28-21ksoftirqd/209:40:132
28259987,0cyclictest28-21ksoftirqd/210:55:142
28259986,1cyclictest61650irq/122-eno108:55:132
28259986,1cyclictest28-21ksoftirqd/211:35:142
28259986,1cyclictest28-21ksoftirqd/209:49:272
28259986,1cyclictest28-21ksoftirqd/209:30:212
28259986,1cyclictest28-21ksoftirqd/208:05:122
28179981,3cyclictest0-21swapper/110:45:161
28179981,1cyclictest0-21swapper/112:31:261
28179980,4cyclictest0-21swapper/111:05:021
28179980,4cyclictest0-21swapper/109:20:111
28059987,1cyclictest9-21ksoftirqd/012:20:140
28059987,1cyclictest9-21ksoftirqd/012:10:110
28059987,1cyclictest9-21ksoftirqd/009:49:210
28059987,1cyclictest9-21ksoftirqd/009:36:190
28059987,1cyclictest9-21ksoftirqd/008:00:140
28059987,1cyclictest9-21ksoftirqd/007:55:000
28059987,1cyclictest9-21ksoftirqd/007:40:120
28059986,1cyclictest14541-21ssh11:05:430
28059983,2cyclictest240-21systemd-journal08:19:590
28059982,4cyclictest548-21systemd-logind11:32:070
28059980,7cyclictest18126-21ssh11:58:190
28059980,7cyclictest0-21swapper/011:15:130
28339976,1cyclictest11301-21snmpd10:46:153
28339976,1cyclictest11301-21snmpd08:46:233
28339976,1cyclictest11301-21snmpd08:14:373
28339976,1cyclictest11301-21snmpd08:01:183
28339976,1cyclictest11301-21snmpd07:37:473
28339975,1cyclictest35-21ksoftirqd/307:40:093
28339975,1cyclictest24086-21cat09:00:153
28339975,1cyclictest19218-21ssh10:27:233
28339975,1cyclictest11301-21snmpd11:35:063
28339975,1cyclictest11301-21snmpd08:21:153
28339975,1cyclictest10335-21apt-get09:30:113
28339974,1cyclictest15213-21sh11:07:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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