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2026-04-03 - 08:23
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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 Fri Apr 03, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58192910,0sleep20-21swapper/223:06:142
143132740,0sleep10-21swapper/122:34:001
290392560,0sleep20-21swapper/221:42:462
44732530,0sleep00-21swapper/023:58:390
78632520,1sleep37859-21sshd22:50:003
4482520,0sleep00-21swapper/022:08:040
277352520,1sleep09-21ksoftirqd/023:46:450
305272510,0sleep330529-21grep22:38:073
305272510,0sleep330529-21grep22:38:063
297602510,0sleep20-21swapper/221:56:442
146482510,1sleep314633-21sshd00:02:143
57482500,0sleep20-21swapper/221:54:442
285502490,1sleep128553-21bash22:37:571
285502490,1sleep128553-21bash22:37:571
214722490,0sleep00-21swapper/023:35:110
166082490,0sleep10-21swapper/122:14:581
111802490,0sleep10-21swapper/121:13:141
75062480,0sleep17505-21sshd22:47:091
23682480,0sleep30-21swapper/322:41:113
156752480,0sleep00-21swapper/000:07:520
132762460,0sleep00-21swapper/021:49:490
3094024229,7sleep00-21swapper/019:05:200
109422420,2sleep23146199cyclictest22:08:582
319472400,0sleep10-21swapper/100:17:341
269622380,1sleep326948-21sshd22:13:023
225402370,2sleep175850irq/25-eno1-tx-23:57:231
255892350,0sleep20-21swapper/223:32:452
311782287,7sleep30-21swapper/319:08:163
3099822816,7sleep20-21swapper/219:06:022
313002279,7sleep10-21swapper/119:09:461
92332190,0sleep30-21swapper/321:16:523
45532180,0sleep00-21swapper/022:27:370
45502160,0sleep00-21swapper/021:28:060
154382160,0sleep10-21swapper/121:44:261
60742150,0sleep00-21swapper/022:19:330
295852150,0sleep229586-21bash23:19:192
112442150,1sleep311241-21sshd22:55:403
71322140,0sleep10-21swapper/100:34:521
65432140,0sleep10-21swapper/122:41:331
46182140,0sleep04614-21lspci00:04:110
36552140,0sleep0111rcuc/021:24:060
3146899140,13cyclictest0-21swapper/323:39:413
31461991412,1cyclictest28567-21bash22:32:262
3145699142,3cyclictest25-21ksoftirqd/121:49:421
31456991414,0cyclictest527-40kipmi020:47:281
3145699140,12cyclictest24976-21bash23:46:311
31451991414,0cyclictest527-40kipmi000:20:170
31451991412,1cyclictest31790-21lspci21:51:200
274752140,0sleep10-21swapper/123:02:361
144672140,0sleep20-21swapper/222:14:472
3146899131,1cyclictest31766-21cp23:19:313
31468991310,2cyclictest674-21dbus-daemon22:24:113
3146899130,1cyclictest5885-21lspci22:03:013
3146899130,12cyclictest642-21systemd-logind22:09:513
3146899130,12cyclictest624-13audispd23:08:513
3145699139,3cyclictest25-21ksoftirqd/121:52:561
3145699130,11cyclictest1290-21sshd23:36:101
3145699130,0cyclictest0-21swapper/121:30:411
31451991312,0cyclictest32550irq/27-ahci[00022:44:380
270092130,0sleep00-21swapper/023:30:070
24122130,0sleep20-21swapper/223:14:152
131382130,0sleep30-21swapper/300:32:343
112292130,0sleep011230-21bash22:30:550
100052130,0sleep10-21swapper/122:00:321
3146899123,3cyclictest41-21ksoftirqd/322:19:223
3146899123,3cyclictest41-21ksoftirqd/300:17:563
3146899123,1cyclictest41-21ksoftirqd/300:22:413
3146899122,3cyclictest649-21polkitd23:41:313
3146899122,1cyclictest27401-21sshd23:32:553
3146899121,3cyclictest41-21ksoftirqd/321:53:263
3146899121,3cyclictest0-21swapper/323:57:193
31468991211,0cyclictest0-21swapper/323:48:313
31468991210,1cyclictest0-21swapper/319:45:113
3146899120,3cyclictest674-21dbus-daemon00:27:083
3146899120,1cyclictest75750irq/24-eno1-rx-00:37:213
31461991211,0cyclictest0-21swapper/223:53:162
31461991211,0cyclictest0-21swapper/223:44:262
31461991210,1cyclictest5968-21sshd22:27:462
31461991210,1cyclictest0-21swapper/221:18:462
3146199120,1cyclictest674-21dbus-daemon21:31:462
3146199120,11cyclictest0-21swapper/223:23:262
3145699124,1cyclictest25-21ksoftirqd/123:53:391
3145699122,1cyclictest25-21ksoftirqd/100:01:161
31456991211,0cyclictest0-21swapper/100:06:211
3145699120,11cyclictest1036-21perf19:15:011
185472120,0sleep30-21swapper/300:08:073
3146899119,1cyclictest710-21NetworkManager21:35:313
3146899116,3cyclictest41-21ksoftirqd/323:11:163
3146899116,3cyclictest41-21ksoftirqd/300:12:063
3146899115,3cyclictest41-21ksoftirqd/323:00:473
3146899113,1cyclictest649-21polkitd22:53:213
3146899113,1cyclictest41-21ksoftirqd/321:25:013
3146899112,3cyclictest660-21avahi-daemon21:47:363
3146899112,1cyclictest41-21ksoftirqd/323:51:153
3146899111,3cyclictest0-21swapper/322:27:533
3146899111,1cyclictest41-21ksoftirqd/323:27:513
3146899110,10cyclictest0-21swapper/321:30:113
3146899110,0cyclictest0-21swapper/321:14:513
3146199110,10cyclictest6938-21sshd22:03:062
3146199110,10cyclictest30658-21lspci00:34:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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