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2026-05-06 - 23:50
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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 Wed May 06, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249072560,0sleep00-21swapper/011:30:550
196592560,0sleep0111rcuc/012:30:520
194882560,1sleep3622-13audispd09:35:273
42422540,1sleep24238-21lspci10:32:452
240612540,0sleep30-21swapper/310:34:313
214702540,1sleep121466-21bash11:07:571
67142520,0sleep30-21swapper/312:09:473
274322520,0sleep30-21swapper/311:42:403
241892520,2sleep3968499cyclictest10:23:183
12252520,0sleep30-21swapper/312:20:413
957025139,7sleep30-21swapper/307:09:573
61982510,1sleep06197-21sshd10:32:560
199752510,0sleep30-21swapper/311:59:223
76782500,0sleep10-21swapper/110:52:391
151362500,1sleep10-21swapper/107:20:151
261732490,0sleep20-21swapper/210:17:522
204212490,0sleep10-21swapper/109:41:061
78452480,0sleep30-21swapper/311:32:193
279042480,0sleep10-21swapper/109:50:071
275812480,1sleep2311rcuc/212:11:352
172662480,0sleep10-21swapper/109:16:271
121822480,0sleep10-21swapper/111:52:511
166092470,0sleep116591-21cp09:46:191
221682460,0sleep00-21swapper/009:32:520
213752460,0sleep30-21swapper/311:39:163
164602440,0sleep00-21swapper/009:40:440
85052380,2sleep1967499cyclictest11:01:091
108062360,2sleep0966799cyclictest10:58:350
95512297,7sleep20-21swapper/207:09:472
927722717,6sleep00-21swapper/007:06:250
776922312,7sleep10-21swapper/107:05:021
29692210,0sleep30-21swapper/312:18:013
194172200,0sleep20-21swapper/210:45:152
261232190,2sleep2967999cyclictest09:21:282
233252190,1sleep323320-21sshd10:17:363
191792180,0sleep219173-21sshd10:53:412
143162180,2sleep1967499cyclictest11:47:151
227802170,1sleep022753-21sshd10:14:490
967499163,3cyclictest15759-21id12:07:401
54392160,1sleep0101ktimersoftd/011:52:140
272642160,0sleep10-21swapper/110:04:011
967499154,3cyclictest26954-21sshd11:25:221
967499153,7cyclictest20149-21sshd11:56:261
967499153,3cyclictest32684-21id12:37:451
967499153,3cyclictest26702-21sshd11:31:051
967499152,5cyclictest18555-21sshd09:32:251
89152150,0sleep10-21swapper/110:41:341
222192150,0sleep341-21ksoftirqd/311:22:093
110112150,0sleep00-21swapper/010:02:360
967499144,4cyclictest24298-21sshd12:19:571
967499144,3cyclictest642-21systemd-logind12:11:471
967499144,2cyclictest1-21systemd11:19:141
967499144,2cyclictest1-21systemd11:19:141
967499143,3cyclictest30168-21grep10:57:251
967499143,3cyclictest16388-21grep10:25:201
967499143,2cyclictest20807-21sshd10:31:221
967499142,3cyclictest9036-21bash10:10:441
967499141,12cyclictest0-21swapper/109:58:221
40352140,0sleep00-21swapper/010:18:460
968499130,1cyclictest7161-21bash12:29:513
968499130,1cyclictest0-21swapper/311:07:413
968499130,12cyclictest0-21swapper/309:19:013
9679991312,0cyclictest31835-21sshd09:47:392
967499134,4cyclictest533-21consoletype11:40:151
967499134,3cyclictest674-21dbus-daemon09:35:461
967499133,4cyclictest7220-21id10:24:381
967499133,4cyclictest20540-21cat10:45:191
967499133,3cyclictest30741-21bash10:09:541
967499133,3cyclictest11585-21sshd12:27:211
967499133,2cyclictest2480-21tty10:38:151
967499132,5cyclictest25276-21tty12:20:001
967499132,3cyclictest14700-21sshd12:33:191
967499132,2cyclictest699-21gdbus09:13:561
967499131,3cyclictest624-13audispd12:01:321
967499131,11cyclictest0-21swapper/111:22:321
9674991311,1cyclictest0-21swapper/109:24:121
967499131,11cyclictest0-21swapper/108:05:111
967499130,3cyclictest674-21dbus-daemon10:16:371
966799130,1cyclictest0-21swapper/012:19:460
251432130,0sleep00-21swapper/012:14:170
250412130,0sleep10-21swapper/111:11:021
150522130,1sleep015048-21lspci12:36:070
9684991210,1cyclictest4764-21lspci09:22:513
968499120,11cyclictest1-21systemd11:49:313
967999120,1cyclictest0-21swapper/211:59:292
967999120,11cyclictest1259-21lspci09:33:592
967499123,2cyclictest8364-21lspci09:27:121
967499120,5cyclictest1253-21sshd11:37:271
9667991210,1cyclictest0-21swapper/011:02:460
966799120,11cyclictest0-21swapper/011:21:360
233552120,0sleep00-21swapper/010:48:250
113632120,2sleep0966799cyclictest09:48:420
968499119,1cyclictest0-21swapper/311:13:013
9684991110,0cyclictest0-21swapper/312:13:213
9684991110,0cyclictest0-21swapper/311:02:213
9684991110,0cyclictest0-21swapper/307:15:213
968499110,10cyclictest0-21swapper/308:45:103
967999119,1cyclictest15226-21lspci09:12:192
967999119,1cyclictest0-21swapper/211:50:592
967999110,10cyclictest25230-21lspci12:25:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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