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2026-03-22 - 12:43
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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 Sun Mar 22, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
872221210,0sleep00-21swapper/023:43:400
706621070,2sleep21578999cyclictest22:51:472
162702870,0sleep00-21swapper/000:30:330
131072760,0sleep20-21swapper/221:55:222
166342730,0sleep30-21swapper/300:33:263
54782720,0sleep20-21swapper/222:19:102
258052700,0sleep00-21swapper/021:31:490
299372660,0sleep30-21swapper/323:12:423
107652610,1sleep210762-21lspci22:49:252
203002590,2sleep21578999cyclictest21:23:392
150512580,0sleep30-21swapper/323:35:573
73452560,1sleep30-21swapper/322:19:193
51772560,0sleep20-21swapper/223:48:502
186382520,0sleep00-21swapper/023:25:200
119792510,0sleep30-21swapper/321:44:343
38972500,0sleep30-21swapper/322:54:163
217422500,0sleep20-21swapper/221:50:432
19262500,0sleep10-21swapper/121:32:501
62272480,0sleep10-21swapper/122:30:071
208062480,0sleep30-21swapper/322:34:013
192262480,0sleep00-21swapper/023:00:530
248902470,0sleep20-21swapper/221:45:342
316212460,1sleep031597-21sshd22:15:520
247342460,2sleep11578099cyclictest23:20:261
235012440,0sleep30-21swapper/323:58:333
300042430,0sleep10-21swapper/121:28:351
137732430,0sleep00-21swapper/023:19:360
213202400,1sleep321314-21lspci00:25:313
154712309,7sleep00-21swapper/019:07:320
153952309,7sleep30-21swapper/319:06:393
154382298,7sleep10-21swapper/119:07:091
156032287,6sleep20-21swapper/219:09:102
313212240,1sleep1674-21dbus-daemon23:45:291
44252210,0sleep30-21swapper/322:08:133
143282190,2sleep31579599cyclictest22:41:343
45032180,1sleep30-21swapper/321:14:153
306792170,1sleep0101ktimersoftd/023:20:570
275142170,0sleep20-21swapper/222:42:422
267182170,0sleep00-21swapper/000:26:020
142232170,0sleep1241ktimersoftd/123:52:171
225072160,2sleep01577299cyclictest00:06:340
218822160,0sleep10-21swapper/100:06:321
102282160,1sleep1231rcuc/100:11:001
72112150,0sleep20-21swapper/222:38:172
262322150,0sleep00-21swapper/022:23:370
15789991514,0cyclictest30470-21lspci23:50:532
10142150,1sleep11073-21nfsd23:26:371
259292140,0sleep00-21swapper/021:40:150
1579599140,13cyclictest620-17auditd00:14:153
15789991413,0cyclictest5938-21lspci21:41:182
15789991413,0cyclictest321ktimersoftd/223:00:512
15789991412,1cyclictest3194-21lspci22:08:072
1578099140,1cyclictest699-21gdbus22:57:071
15772991414,0cyclictest527-40kipmi021:28:290
28602130,0sleep02862-21bash21:21:320
202802130,0sleep30-21swapper/300:09:103
1579599130,1cyclictest0-21swapper/323:45:453
1579599130,12cyclictest622-13audispd23:40:353
15789991311,1cyclictest26623-21lspci00:36:572
15780991311,1cyclictest660-21avahi-daemon22:49:171
178682120,0sleep20-21swapper/223:58:042
1579599120,11cyclictest0-21swapper/321:17:243
1578999124,3cyclictest33-21ksoftirqd/200:29:412
15789991211,0cyclictest19304-21lspci21:27:172
1578999120,1cyclictest1-21systemd23:15:072
1578999120,11cyclictest18744-21bash23:06:172
1578999120,11cyclictest0-21swapper/223:32:172
1578999120,11cyclictest0-21swapper/222:33:072
1578099120,1cyclictest7988-21sshd22:03:071
1578099120,1cyclictest4789-21bash21:21:471
1578099120,1cyclictest27127-21sshd21:43:071
1578099120,11cyclictest29790-21sshd22:37:261
1577299124,1cyclictest9-21ksoftirqd/023:33:210
15772991210,1cyclictest9-21ksoftirqd/023:52:440
12862120,0sleep2311rcuc/223:23:592
1579599119,1cyclictest642-21systemd-logind23:02:353
15795991110,0cyclictest0-21swapper/322:46:043
1579599110,10cyclictest0-21swapper/322:25:053
1579599110,10cyclictest0-21swapper/321:56:553
1578999119,1cyclictest13768-21bash21:19:072
1578999114,3cyclictest33-21ksoftirqd/222:28:342
1578999114,1cyclictest33-21ksoftirqd/223:39:132
1578999114,1cyclictest33-21ksoftirqd/200:32:322
1578999111,1cyclictest33-21ksoftirqd/222:55:162
15789991111,0cyclictest321ktimersoftd/220:45:402
15789991110,0cyclictest27893-21lspci22:23:442
15789991110,0cyclictest0-21swapper/219:30:172
15789991110,0cyclictest0-21swapper/200:07:372
15789991110,0cyclictest0-21swapper/200:01:162
1578999110,10cyclictest0-21swapper/223:13:062
1578999110,0cyclictest0-21swapper/200:20:572
15780991110,0cyclictest0-21swapper/100:29:071
1578099110,10cyclictest623-17sedispatch00:30:171
1578099110,10cyclictest0-21swapper/121:19:271
1578099110,10cyclictest0-21swapper/119:30:171
1578099110,0cyclictest0-21swapper/123:30:171
1578099110,0cyclictest0-21swapper/100:02:271
1577299119,1cyclictest9-21ksoftirqd/021:38:130
1577299119,1cyclictest21563-21lspci22:53:010
1577299115,1cyclictest9-21ksoftirqd/022:43:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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