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2026-01-11 - 16:26
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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 Jan 11, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317321010,1sleep341-21ksoftirqd/309:55:203
229452930,0sleep20-21swapper/209:47:072
156602920,0sleep00-21swapper/011:43:360
86042810,0sleep20-21swapper/210:02:572
32712790,0sleep03228-21sshd10:58:230
232732650,1sleep323260-21sshd11:16:363
271082530,0sleep30-21swapper/312:12:123
203712530,0sleep10-21swapper/111:32:561
218392520,0sleep10-21swapper/111:49:431
112972520,0sleep00-21swapper/009:22:210
47222510,0sleep00-21swapper/012:18:400
201162510,1sleep11-21systemd11:21:511
56972500,0sleep00-21swapper/011:15:080
318682500,0sleep20-21swapper/211:22:522
114822490,0sleep1231rcuc/112:10:491
153272480,1sleep215325-21lspci11:07:382
128512480,0sleep20-21swapper/212:35:542
59862470,0sleep00-21swapper/009:31:300
89322460,0sleep00-21swapper/011:54:050
1638924534,7sleep00-21swapper/007:05:050
263702410,0sleep30-21swapper/310:30:053
272412370,0sleep10-21swapper/111:44:371
1723023614,7sleep20-21swapper/207:05:192
174592287,4sleep10-21swapper/107:05:221
115412280,0sleep30-21swapper/311:32:103
178742238,10sleep30-21swapper/307:06:123
261272200,0sleep20-21swapper/211:11:182
1828999190,16cyclictest0-21swapper/011:57:030
1828999180,2cyclictest1-21systemd12:01:530
182622180,0sleep00-21swapper/011:10:360
227772170,0sleep20-21swapper/209:13:192
220652170,0sleep10-21swapper/111:08:131
1828999179,5cyclictest0-21swapper/012:11:330
113492170,0sleep00-21swapper/010:39:470
68562160,0sleep10-21swapper/110:53:111
310582160,0sleep20-21swapper/210:05:182
261132160,0sleep00-21swapper/012:20:260
204672160,0sleep00-21swapper/010:21:170
1828999160,1cyclictest7035-21sshd09:16:030
120942160,0sleep20-21swapper/210:56:212
18289991513,1cyclictest0-21swapper/009:27:530
302422140,0sleep341-21ksoftirqd/310:05:143
250222140,0sleep20-21swapper/212:20:202
231032140,1sleep323098-21dump-pmu-power08:40:003
222062140,0sleep1241ktimersoftd/111:58:001
206362140,1sleep020637-21grepconf.sh09:53:500
1830299140,2cyclictest19735-21sshd11:41:092
138742140,0sleep20-21swapper/211:54:312
45812130,0sleep30-21swapper/312:24:133
300052130,0sleep30-21swapper/311:14:273
283072130,0sleep20-21swapper/211:55:402
18306991311,1cyclictest0-21swapper/311:25:483
1830699130,12cyclictest17470-21systemd-cgroups10:10:483
1830299130,1cyclictest8327-21sshd09:59:282
18295991311,1cyclictest624-13audispd12:34:221
1828999139,3cyclictest0-21swapper/010:26:020
94402120,0sleep20-21swapper/210:16:552
49462120,0sleep10-21swapper/109:55:301
303282120,0sleep20-21swapper/210:24:552
1830699120,1cyclictest8823-21bash10:36:483
1830699120,11cyclictest0-21swapper/311:08:583
1830699120,11cyclictest0-21swapper/309:39:283
1830699120,11cyclictest0-21swapper/309:24:583
1830699120,11cyclictest0-21swapper/308:11:283
18302991210,1cyclictest32143-21lspci09:37:492
1830299120,11cyclictest623-17sedispatch11:02:182
1830299120,11cyclictest0-21swapper/211:32:292
1829599120,1cyclictest28013-21tty10:08:321
1829599120,1cyclictest0-21swapper/111:38:531
1829599120,11cyclictest21303-21bash11:52:221
1828999127,4cyclictest0-21swapper/011:47:230
1828999125,6cyclictest660-21avahi-daemon11:05:190
1828999124,7cyclictest674-21dbus-daemon12:05:030
1828999124,7cyclictest25005-21sshd09:13:420
1828999124,2cyclictest660-21avahi-daemon11:02:590
1828999122,1cyclictest1-21systemd12:25:240
1828999120,11cyclictest0-21swapper/010:40:030
111922120,0sleep10-21swapper/111:18:221
1830699119,1cyclictest23243-21grep10:51:483
1830699119,1cyclictest21472-21sshd11:21:583
1830699119,1cyclictest11275-21sshd12:05:183
1830699119,1cyclictest10753-21id11:51:273
18306991110,0cyclictest0-21swapper/310:16:483
18306991110,0cyclictest0-21swapper/310:00:083
1830699110,10cyclictest0-21swapper/311:42:283
1830699110,10cyclictest0-21swapper/309:17:173
1830299119,1cyclictest26138-21sshd10:35:282
18302991110,0cyclictest27654-21sshd10:46:382
1830299110,10cyclictest7733-21sshd11:45:392
1830299110,10cyclictest0-21swapper/209:19:482
1830299110,0cyclictest0-21swapper/212:09:092
1829599119,1cyclictest11785-21bash10:20:311
1829599110,1cyclictest15420-21sshd12:27:531
1828999115,5cyclictest12982-21sshd10:17:190
1828999114,1cyclictest674-21dbus-daemon11:30:370
1828999114,1cyclictest674-21dbus-daemon10:05:490
1828999114,1cyclictest674-21dbus-daemon09:45:570
1828999114,1cyclictest660-21avahi-daemon12:36:490
1828999114,1cyclictest660-21avahi-daemon11:21:520
1828999114,1cyclictest649-21polkitd10:51:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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