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2026-05-21 - 22:36
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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 rack2slot0.osadl.org (updated Thu May 21, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64172790,0sleep30-21swapper/309:55:493
137152770,2sleep01145599cyclictest11:38:280
306062680,0sleep00-21swapper/010:59:470
86472600,1sleep08624-21sshd11:23:460
193002570,1sleep119272-21sshd11:13:111
53532550,1sleep05340-21sshd09:58:360
249172540,0sleep10-21swapper/110:45:031
233582540,0sleep30-21swapper/309:46:133
320722520,0sleep10-21swapper/109:46:581
257092510,0sleep20-21swapper/210:25:212
69842500,2sleep31146199cyclictest10:23:503
53112500,0sleep35304-21sshd11:34:553
41692500,0sleep20-21swapper/210:12:232
17332500,0sleep01726-21lspci11:17:220
60972490,0sleep10-21swapper/111:32:051
234432490,0sleep3391rcuc/312:02:113
43112480,0sleep10-21swapper/112:11:541
321972480,0sleep00-21swapper/011:25:480
44342470,0sleep20-21swapper/209:36:152
31342470,0sleep00-21swapper/012:28:590
155062470,0sleep20-21swapper/210:52:412
220192460,0sleep10-21swapper/110:59:001
220032440,0sleep021997-21bash10:13:570
238472430,2sleep11145999cyclictest12:02:131
54012410,2sleep01145599cyclictest10:01:190
288372410,0sleep20-21swapper/210:20:092
85822380,0sleep10-21swapper/111:18:001
1108023110,7sleep30-21swapper/307:06:433
145512300,0sleep014552-21systemd-cgroups09:26:150
112412298,7sleep10-21swapper/107:08:471
112502287,7sleep00-21swapper/007:08:540
110892256,6sleep20-21swapper/207:06:512
263122240,1sleep326314-21bash11:53:543
304072230,0sleep20-21swapper/211:28:342
107512200,2sleep21146099cyclictest12:01:012
134762180,2sleep21146099cyclictest11:09:462
6282170,1sleep2311rcuc/209:47:042
264552170,1sleep126456-21processes12:25:171
210392170,0sleep3401ktimersoftd/312:07:403
210392170,0sleep3401ktimersoftd/312:07:393
224972160,0sleep10-21swapper/110:50:241
20552160,0sleep10-21swapper/110:23:241
195372160,2sleep01145599cyclictest10:47:210
128862160,0sleep20-21swapper/212:38:272
11459991615,0cyclictest27680-21lspci09:57:421
88932150,0sleep10-21swapper/111:55:131
75562150,1sleep015147-21kworker/0:309:50:230
258862150,1sleep325883-21lspci10:42:163
167322150,0sleep30-21swapper/312:21:333
244772140,0sleep00-21swapper/009:40:450
11455991412,1cyclictest11636-21sshd09:36:530
1145599140,13cyclictest649-21polkitd11:50:120
107682140,0sleep00-21swapper/012:06:450
107682140,0sleep00-21swapper/012:06:440
311452130,0sleep10-21swapper/112:34:221
288532130,0sleep028833-21rm10:36:530
161692130,1sleep116171-21bash11:38:411
1146199120,1cyclictest10903-21bash10:32:333
1146199120,11cyclictest8834-21lspci10:57:493
11459991210,1cyclictest620-17auditd10:37:001
11459991210,1cyclictest26876-21bash11:22:291
1145999120,1cyclictest6109-21sshd09:33:391
1145999120,11cyclictest6897-21grep09:39:201
11455991210,1cyclictest1-21systemd09:49:420
1145599120,1cyclictest31854-21lspci11:11:220
1145599120,11cyclictest25886-21bash10:08:430
1145599120,11cyclictest1951-21sshd11:31:430
1146199119,1cyclictest674-21dbus-daemon11:39:293
11461991110,0cyclictest0-21swapper/310:10:593
11461991110,0cyclictest0-21swapper/309:35:593
1146199110,10cyclictest0-21swapper/310:49:293
1146199110,10cyclictest0-21swapper/309:24:593
1146199110,10cyclictest0-21swapper/308:55:193
1146199110,0cyclictest0-21swapper/310:27:483
1146199110,0cyclictest0-21swapper/309:31:483
1146099119,1cyclictest2804-21sshd09:52:492
1146099119,1cyclictest0-21swapper/210:08:592
1146099119,1cyclictest0-21swapper/209:26:292
11460991110,0cyclictest0-21swapper/210:49:292
1146099110,1cyclictest4933-21bash12:31:592
1146099110,10cyclictest0-21swapper/211:50:082
1146099110,10cyclictest0-21swapper/211:30:482
1145999119,1cyclictest28051-21sshd09:13:501
1145999114,1cyclictest25-21ksoftirqd/112:19:531
11459991110,0cyclictest0-21swapper/108:00:191
1145999110,10cyclictest0-21swapper/110:17:201
1145999110,10cyclictest0-21swapper/110:17:191
1145999110,0cyclictest131rcu_sched10:34:271
1145599119,1cyclictest29979-21gdbus10:30:020
1145599119,1cyclictest20877-21sshd09:12:530
1145599119,1cyclictest13501-21lspci11:55:330
11455991110,0cyclictest0-21swapper/012:00:030
62242100,0sleep10-21swapper/108:15:011
1146199109,0cyclictest0-21swapper/312:19:193
1146199109,0cyclictest0-21swapper/311:04:093
1146199109,0cyclictest0-21swapper/310:08:583
1146199107,2cyclictest20750-21lspci12:30:273
1146199100,0cyclictest0-21swapper/312:38:093
1146199100,0cyclictest0-21swapper/309:53:233
1146099109,0cyclictest15003-21sshd11:04:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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