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2026-03-09 - 23:55
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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 Mon Mar 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56852690,0sleep10-21swapper/109:51:301
43362570,1sleep04334-21sshd09:34:110
219392560,0sleep10-21swapper/112:29:271
132372560,1sleep013235-21sshd10:02:430
47852540,0sleep10-21swapper/110:15:331
224772530,0sleep00-21swapper/008:00:160
197272530,1sleep019724-21sshd10:13:480
129972530,0sleep20-21swapper/211:20:102
71452520,0sleep30-21swapper/310:49:323
161752510,0sleep30-21swapper/312:12:273
83092500,0sleep08311-21grepconf.sh11:03:190
309702500,0sleep20-21swapper/210:32:202
296902500,0sleep10-21swapper/110:51:221
242962500,0sleep20-21swapper/212:32:192
171942490,0sleep20-21swapper/211:53:232
171942490,0sleep20-21swapper/211:53:222
152652490,0sleep1231rcuc/110:25:311
96942480,0sleep19687-21sshd12:20:091
100232480,0sleep30-21swapper/311:36:183
299752470,0sleep00-21swapper/010:21:200
119912470,1sleep011987-21lspci10:49:560
108112430,0sleep00-21swapper/010:58:010
209802400,0sleep3401ktimersoftd/310:06:593
20862390,2sleep044999cyclictest11:24:450
326112380,0sleep30-21swapper/310:15:113
130162370,0sleep10-21swapper/112:06:391
176712350,2sleep245199cyclictest10:25:442
168402350,0sleep20-21swapper/211:36:532
200972310,0sleep20-21swapper/210:36:532
326392309,7sleep30-21swapper/307:08:073
310052298,7sleep20-21swapper/207:05:102
326032288,7sleep10-21swapper/107:07:411
3245822110,7sleep00-21swapper/007:05:520
218192210,0sleep121813-21bash11:50:581
218192210,0sleep121813-21bash11:50:581
84172180,2sleep145099cyclictest10:35:521
79512180,1sleep07956-21latency07:25:140
56202170,1sleep30-21swapper/310:54:523
194832160,0sleep2311rcuc/211:45:172
192582160,1sleep119255-21sshd11:20:371
183322160,1sleep218327-21id10:55:512
451991515,0cyclictest527-40kipmi012:39:112
451991514,0cyclictest660-21avahi-daemon12:01:262
451991514,0cyclictest29235-21sensors12:05:172
30342150,0sleep20-21swapper/209:18:352
290992150,0sleep20-21swapper/209:33:212
242962150,0sleep10-21swapper/111:48:291
212442150,0sleep00-21swapper/011:29:060
187422150,1sleep31026-21sshd10:36:463
139702150,1sleep113969-21grep10:02:481
98752140,0sleep00-21swapper/011:55:250
45199140,12cyclictest29482-21sshd12:13:362
257972140,0sleep10-21swapper/112:13:171
207862140,1sleep120784-21lspci11:40:001
206862140,0sleep20-21swapper/210:42:252
157342140,0sleep30-21swapper/312:15:103
135122140,0sleep10-21swapper/112:34:111
112972140,1sleep011299-21grep12:09:190
45199135,1cyclictest3605-21bash12:27:522
45199135,1cyclictest33-21ksoftirqd/210:10:072
451991312,0cyclictest25942-21lspci11:18:322
45099130,1cyclictest0-21swapper/111:14:131
208572130,0sleep30-21swapper/312:34:493
104962130,0sleep00-21swapper/011:06:110
100282130,0sleep00-21swapper/010:09:190
81922120,1sleep18182-21bash11:33:281
452991210,1cyclictest0-21swapper/310:31:503
452991210,1cyclictest0-21swapper/310:23:103
45299120,11cyclictest0-21swapper/312:21:003
45299120,0cyclictest3037-21/usr/sbin/munin12:00:203
45199121,2cyclictest33-21ksoftirqd/211:40:202
451991212,0cyclictest321ktimersoftd/207:34:312
451991210,1cyclictest0-21swapper/209:58:462
450991210,1cyclictest674-21dbus-daemon10:08:531
45099120,11cyclictest0-21swapper/111:56:331
45099120,11cyclictest0-21swapper/110:41:131
449991210,1cyclictest29776-21sshd09:47:120
449991210,1cyclictest1026-21sshd12:14:420
44999120,1cyclictest28260-21bash11:43:220
44999120,11cyclictest28604-21bash10:26:420
44999120,11cyclictest26309-21sshd12:27:020
44999120,11cyclictest0-21swapper/011:54:520
44999120,11cyclictest0-21swapper/011:54:520
233462120,0sleep0111rcuc/009:36:080
208892120,0sleep00-21swapper/009:42:470
45299119,1cyclictest6715-21grepconf.sh11:03:103
452991110,0cyclictest0-21swapper/311:57:403
45299110,10cyclictest0-21swapper/311:47:193
45299110,10cyclictest0-21swapper/311:05:493
45299110,10cyclictest0-21swapper/310:27:093
45299110,10cyclictest0-21swapper/309:30:303
45299110,10cyclictest0-21swapper/307:41:093
45299110,0cyclictest16761-21sshd12:37:103
45199112,1cyclictest33-21ksoftirqd/211:13:322
45199111,2cyclictest131rcu_sched10:18:462
45199111,1cyclictest19913-21kworker/2:011:30:132
451991110,0cyclictest0-21swapper/209:41:362
451991110,0cyclictest0-21swapper/209:25:152
45199110,1cyclictest0-21swapper/210:01:332
45199110,10cyclictest0-21swapper/211:08:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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