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2026-07-03 - 01:11
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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 rack3slot0.osadl.org (updated Thu Jul 02, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42802850,0sleep233-21ksoftirqd/211:00:062
178802610,0sleep00-21swapper/011:14:220
20772530,1sleep52083-21fschecks_count12:27:315
1901824925,9sleep30-21swapper/307:04:403
141832490,0sleep10-21swapper/112:22:311
71602480,0sleep40-21swapper/412:35:314
276782470,1sleep727676-21grepconf.sh12:30:547
167332470,0sleep30-21swapper/311:53:173
167332470,0sleep30-21swapper/311:53:173
324132460,2sleep31936999cyclictest12:19:453
64442450,0sleep20-21swapper/210:35:152
39542450,0sleep70-21swapper/712:12:047
296652450,0sleep20-21swapper/209:33:002
303892440,0sleep0101ktimersoftd/010:15:430
303892440,0sleep0101ktimersoftd/010:15:430
213262440,0sleep30-21swapper/310:40:133
1890224424,16sleep10-21swapper/107:03:021
27412430,0sleep00-21swapper/011:34:480
222962430,0sleep40-21swapper/409:57:374
221642430,0sleep70-21swapper/709:30:417
134072430,0sleep30-21swapper/311:10:163
224452420,1sleep022446-21bash09:30:420
199362420,0sleep20-21swapper/211:43:392
1892624228,10sleep70-21swapper/707:03:247
32982410,0sleep30-21swapper/311:50:293
310632410,0sleep50-21swapper/510:52:085
230252410,0sleep623023-21systemd-cgroups11:51:446
1915024129,8sleep50-21swapper/507:06:345
72632400,0sleep20-21swapper/212:27:452
303152400,0sleep20-21swapper/210:23:142
229322400,0sleep70-21swapper/711:12:457
237032390,0sleep60-21swapper/610:55:306
234292390,0sleep00-21swapper/009:11:520
212952390,0sleep50-21swapper/510:01:225
1913623926,9sleep00-21swapper/007:06:210
1905023928,8sleep40-21swapper/407:05:054
1894523927,8sleep60-21swapper/607:03:396
1674023927,8sleep20-21swapper/207:02:232
159432390,1sleep315941-21sshd11:29:473
124072380,0sleep00-21swapper/012:26:140
99942370,0sleep30-21swapper/310:43:173
5062350,2sleep71940399cyclictest11:54:267
5062350,2sleep71940399cyclictest11:54:267
1936199259,3cyclictest33-21ksoftirqd/212:08:592
19369992411,1cyclictest41-21ksoftirqd/309:52:193
1936999228,3cyclictest41-21ksoftirqd/309:27:323
1936999228,3cyclictest41-21ksoftirqd/309:12:223
1936199220,3cyclictest752-21snmpd10:55:012
1936999215,3cyclictest41-21ksoftirqd/312:01:493
19369992111,3cyclictest41-21ksoftirqd/311:15:563
1936999211,4cyclictest41-21ksoftirqd/311:42:353
1936199217,3cyclictest33-21ksoftirqd/210:05:032
1936199217,3cyclictest33-21ksoftirqd/209:51:502
19361992110,3cyclictest33-21ksoftirqd/212:02:322
326162200,0sleep00-21swapper/010:32:490
1939599204,1cyclictest65-21ksoftirqd/609:59:166
19395992016,3cyclictest65-21ksoftirqd/611:36:566
19395992012,4cyclictest65-21ksoftirqd/609:31:016
1936999209,1cyclictest41-21ksoftirqd/311:37:343
1936999207,3cyclictest41-21ksoftirqd/310:12:213
1936999207,3cyclictest41-21ksoftirqd/310:12:213
1936999207,1cyclictest41-21ksoftirqd/309:39:033
19369992012,3cyclictest41-21ksoftirqd/311:33:273
1936199208,3cyclictest33-21ksoftirqd/211:18:232
1936199207,3cyclictest33-21ksoftirqd/209:30:222
1936199206,3cyclictest33-21ksoftirqd/212:19:542
1936199206,3cyclictest33-21ksoftirqd/212:13:082
1936199200,6cyclictest721-21dbus-daemon12:36:312
1936199200,5cyclictest19957-21sshd11:32:052
19395991913,3cyclictest65-21ksoftirqd/612:04:086
1936999199,3cyclictest41-21ksoftirqd/312:28:403
1936999197,2cyclictest41-21ksoftirqd/312:35:073
1936999197,1cyclictest41-21ksoftirqd/310:26:103
1936999195,2cyclictest41-21ksoftirqd/310:52:293
19369991918,1cyclictest391rcuc/311:05:243
19369991918,1cyclictest391rcuc/309:46:103
19369991912,3cyclictest41-21ksoftirqd/310:30:493
19369991910,3cyclictest41-21ksoftirqd/311:01:003
19369991910,3cyclictest41-21ksoftirqd/310:21:093
1936999191,3cyclictest41-21ksoftirqd/309:11:163
1936999191,3cyclictest18765-21sshd09:36:163
1936199198,1cyclictest33-21ksoftirqd/209:54:262
1936199197,3cyclictest33-21ksoftirqd/211:49:552
1936199197,2cyclictest33-21ksoftirqd/209:12:322
1936199196,3cyclictest33-21ksoftirqd/210:43:522
1936199196,3cyclictest33-21ksoftirqd/209:58:222
1936199192,2cyclictest14313-21bash11:04:382
1936199190,5cyclictest2177-21sshd09:42:552
1936199190,3cyclictest10654-21sshd10:10:312
1939599185,1cyclictest65-21ksoftirqd/609:18:556
1939599183,3cyclictest65-21ksoftirqd/610:11:086
19395991816,1cyclictest65-21ksoftirqd/612:28:176
19395991816,1cyclictest65-21ksoftirqd/609:10:056
19395991815,1cyclictest65-21ksoftirqd/610:40:196
19395991814,3cyclictest65-21ksoftirqd/609:16:176
19395991813,3cyclictest65-21ksoftirqd/612:18:506
19395991813,3cyclictest65-21ksoftirqd/609:55:266
1936999188,3cyclictest41-21ksoftirqd/312:12:283
1936999188,3cyclictest41-21ksoftirqd/309:20:163
1936999187,3cyclictest41-21ksoftirqd/309:55:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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