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2026-04-14 - 23:23
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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 rack5slot0.osadl.org (updated Tue Apr 14, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2608221240,2sleep126079-21sshd11:29:191
1055621230,3sleep11457099cyclictest10:46:341
773121200,0sleep37728-21rm11:20:073
193621110,4sleep20-21swapper/210:01:232
144032930,4sleep314324-21latency_hist07:09:593
1429029333,56sleep10-21swapper/107:09:431
262812920,2sleep30-21swapper/311:44:033
70292890,1sleep20-21swapper/209:27:092
202002890,2sleep00-21swapper/010:28:150
1414428932,12sleep20-21swapper/207:08:042
74532860,3sleep30-21swapper/311:09:053
309342860,0sleep00-21swapper/009:29:440
186012850,2sleep318594-21bash11:53:573
25242820,1sleep02518-21bash12:30:100
252702810,5sleep30-21swapper/309:32:283
15872810,2sleep21583-21sshd10:37:222
110902800,0sleep00-21swapper/011:39:000
288902790,6sleep30-21swapper/311:00:563
326622780,2sleep30-21swapper/309:23:053
184472780,2sleep10-21swapper/111:32:231
130532780,2sleep30-21swapper/312:12:213
205962760,2sleep120588-21sshd12:36:071
112592760,1sleep311258-21sshd12:08:213
46902740,2sleep14689-21sshd11:59:491
221572740,1sleep022148-21sshd09:56:090
100702740,0sleep00-21swapper/011:12:470
120472730,2sleep20-21swapper/211:02:382
315122720,3sleep21457199cyclictest09:40:082
41242670,4sleep11457099cyclictest10:33:451
41242670,4sleep11457099cyclictest10:33:451
233402660,4sleep31457299cyclictest10:25:103
1412025732,14sleep00-21swapper/007:07:450
151392390,1sleep315136-21cp12:00:503
109322320,30sleep2144650irq/27-eth010:16:232
95632310,2sleep30-21swapper/310:09:073
284372300,1sleep00-21swapper/011:47:410
288282290,3sleep20-21swapper/209:32:502
217892290,0sleep00-21swapper/010:39:570
288822270,2sleep10-21swapper/111:11:161
122372270,3sleep31457299cyclictest11:39:073
90672260,3sleep10-21swapper/109:48:011
223242261,23sleep228950irq/26-ahci[00010:28:302
1457299263,9cyclictest28047-21sshd12:33:093
1457299262,0cyclictest0-21swapper/309:25:173
1457299260,18cyclictest2074-21nscd10:58:163
297552250,23sleep3144650irq/27-eth011:33:553
1457299253,9cyclictest11707-21sshd09:10:383
1457299251,9cyclictest144650irq/27-eth012:20:013
1457299250,15cyclictest3691-21sshd11:59:423
1457299250,14cyclictest20347-21sshd09:18:273
1457299250,11cyclictest27127-21sshd09:43:063
1457299250,11cyclictest15658-21sshd11:13:273
62572240,2sleep26256-21sshd11:48:552
1457299242,9cyclictest144650irq/27-eth010:31:573
1457299242,9cyclictest144650irq/27-eth010:31:563
1457299241,9cyclictest144650irq/27-eth011:15:093
1457299241,9cyclictest0-21swapper/309:39:413
1457299240,19cyclictest144650irq/27-eth008:10:153
1457299240,17cyclictest4986-21sshd10:45:503
1457299240,14cyclictest31155-21sshd10:01:033
1457299240,11cyclictest32113-21sshd09:53:533
247912230,4sleep11457099cyclictest11:43:531
1457299233,10cyclictest6072-21sshd10:15:503
1457299232,8cyclictest144650irq/27-eth009:46:143
1457299230,14cyclictest2322-21sshd10:11:403
1457299230,13cyclictest22831-21sshd12:36:233
1457299230,13cyclictest11829-21sshd10:50:483
1457299230,12cyclictest3288-21bash10:41:363
1457299230,12cyclictest28040-21bash12:25:383
1457299230,12cyclictest23027-21sshd09:56:153
1457299230,12cyclictest19177-21sshd12:17:153
1457299230,12cyclictest16397-21sshd10:24:173
1457299230,11cyclictest23464-21sshd10:35:583
1457299230,11cyclictest144650irq/27-eth011:25:113
1457299230,10cyclictest144650irq/27-eth011:48:173
1457199225,9cyclictest22482-21sshd11:32:562
304152210,0sleep130410-21sshd11:01:061
29012210,19sleep1144650irq/27-eth011:08:361
202512210,2sleep20-21swapper/212:24:582
171902210,1sleep017188-21sshd11:21:000
1457299217,12cyclictest2024-21nfsd08:30:243
72802200,0sleep00-21swapper/009:44:260
305732200,18sleep128950irq/26-ahci[00010:00:591
224062200,2sleep30-21swapper/307:25:193
208392200,2sleep220831-21sshd10:31:462
208392200,2sleep220831-21sshd10:31:462
1457299207,11cyclictest8960-21seq08:06:463
1457299207,11cyclictest2132-21sshd08:55:083
1457299207,11cyclictest2088-21snmpd07:57:003
1457299202,9cyclictest144650irq/27-eth007:50:113
1457299201,9cyclictest144650irq/27-eth009:05:003
1457299201,8cyclictest144650irq/27-eth008:26:543
1457299200,18cyclictest0-21swapper/307:20:213
1457199203,12cyclictest5505-21bash11:19:542
107962200,6sleep20-21swapper/211:35:252
325312190,17sleep2144650irq/27-eth010:08:062
1457299190,18cyclictest5341-21munin-node08:00:133
1457299190,18cyclictest2024-21nfsd09:08:543
1457299190,12cyclictest28000-21perf07:40:003
1457299190,10cyclictest22087-21munin-node08:35:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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