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2026-05-07 - 13:55
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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 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2777821290,0sleep20-21swapper/210:55:492
3227721250,2sleep01347699cyclictest11:26:390
232482940,0sleep20-21swapper/211:28:412
255612830,0sleep1231rcuc/112:38:061
53622810,2sleep01347699cyclictest10:09:480
157642790,0sleep20-21swapper/212:06:422
284922760,0sleep00-21swapper/011:56:430
178052740,0sleep10-21swapper/112:29:081
226812620,0sleep30-21swapper/310:41:363
163642610,0sleep00-21swapper/010:19:020
158212550,0sleep00-21swapper/009:54:060
171582540,0sleep20-21swapper/211:58:332
102942540,0sleep30-21swapper/309:37:033
78412530,0sleep00-21swapper/011:13:330
288772510,0sleep20-21swapper/212:13:272
4022500,0sleep00-21swapper/009:21:500
239832500,0sleep30-21swapper/310:05:473
97442490,0sleep20-21swapper/212:31:102
221312490,0sleep20-21swapper/212:26:412
192642490,0sleep1231rcuc/110:21:591
309112480,0sleep10-21swapper/111:07:131
307762480,0sleep00-21swapper/011:34:520
281272470,0sleep20-21swapper/210:08:582
1301924735,7sleep30-21swapper/307:05:363
149612440,2sleep01347699cyclictest09:40:120
161062430,0sleep30-21swapper/311:05:553
73952410,0sleep00-21swapper/011:46:380
121172340,0sleep01347699cyclictest11:52:340
132062319,7sleep20-21swapper/207:07:592
14442280,0sleep00-21swapper/010:03:560
130952288,7sleep00-21swapper/007:06:330
92402210,0sleep00-21swapper/010:54:180
1309122110,7sleep10-21swapper/107:06:301
46522190,1sleep125-21ksoftirqd/110:48:231
286742190,1sleep1241ktimersoftd/109:55:111
263412190,0sleep026343-21bash10:30:510
23512190,11sleep375750irq/24-eno1-rx-10:23:213
189042190,0sleep30-21swapper/310:49:373
247532180,0sleep30-21swapper/309:46:323
148252180,1sleep114820-21lspci11:03:051
147432180,2sleep01347699cyclictest10:24:260
25582170,0sleep22557-21sshd10:48:122
159672170,1sleep30-21swapper/309:11:563
70402160,1sleep17038-21sshd11:57:401
206822160,0sleep30-21swapper/309:16:243
55902150,1sleep11072-21nfsd12:11:221
288962150,0sleep00-21swapper/011:18:060
189422150,0sleep018809-21sshd10:27:310
157842150,0sleep2321ktimersoftd/211:33:342
13483991513,1cyclictest4110-21lspci10:29:021
93432140,0sleep00-21swapper/012:31:080
74812140,0sleep00-21swapper/011:21:460
35642140,0sleep20-21swapper/212:36:102
288062140,0sleep20-21swapper/209:29:132
24402140,0sleep10-21swapper/112:19:311
13488991412,1cyclictest674-21dbus-daemon10:32:143
316762130,0sleep20-21swapper/209:52:402
13488991311,1cyclictest0-21swapper/311:52:143
1348899130,11cyclictest10020-21sshd10:35:043
13488991210,1cyclictest674-21dbus-daemon09:21:543
13488991210,1cyclictest27959-21lspci11:23:343
13488991210,1cyclictest0-21swapper/311:34:543
1348899120,1cyclictest0-21swapper/310:01:543
1348899120,11cyclictest12921-21systemd-cgroups09:40:043
1348899120,11cyclictest0-21swapper/309:28:143
13487991210,1cyclictest674-21dbus-daemon12:01:562
1348799120,1cyclictest30210-21lspci11:20:562
13483991210,1cyclictest674-21dbus-daemon10:38:121
13483991210,1cyclictest1-21systemd10:13:321
1348399120,1cyclictest9717-21grep10:51:321
1348399120,1cyclictest674-21dbus-daemon10:58:221
1348399120,11cyclictest620-17auditd10:19:221
13476991211,0cyclictest16544-21lspci09:31:330
186852110,0sleep30-21swapper/312:09:483
1348899119,1cyclictest9710-21lspci11:38:343
1348899110,1cyclictest11105-21sshd11:41:243
1348899110,10cyclictest0-21swapper/311:26:453
1348899110,10cyclictest0-21swapper/309:31:243
1348799119,1cyclictest4816-21sshd11:54:462
13487991110,0cyclictest0-21swapper/212:15:262
13487991110,0cyclictest0-21swapper/210:37:162
1348799110,10cyclictest0-21swapper/211:36:162
1348799110,0cyclictest0-21swapper/210:53:262
1348399110,1cyclictest2110-21sshd11:51:421
1348399110,10cyclictest0-21swapper/111:26:121
1348399110,10cyclictest0-21swapper/111:13:321
1348399110,10cyclictest0-21swapper/109:14:221
1347699119,1cyclictest642-21systemd-logind09:25:360
1347699113,1cyclictest9-21ksoftirqd/012:10:540
13476991110,0cyclictest0-21swapper/011:41:060
13476991110,0cyclictest0-21swapper/011:03:260
13476991110,0cyclictest0-21swapper/010:59:260
13476991110,0cyclictest0-21swapper/010:42:560
1347699110,10cyclictest0-21swapper/012:07:260
1347699110,10cyclictest0-21swapper/009:17:360
17572100,0sleep0111rcuc/011:35:080
1348899109,0cyclictest0-21swapper/312:03:243
1348899108,1cyclictest15981-21lspci10:54:543
1348899100,9cyclictest0-21swapper/311:14:043
1348799109,0cyclictest0-21swapper/211:11:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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