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2025-12-09 - 23:54
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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 Tue Dec 09, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
153742950,0sleep01695999cyclictest11:46:000
130332930,1sleep213031-21sshd11:35:092
176622830,1sleep2311rcuc/209:51:442
208162650,0sleep30-21swapper/310:24:203
221632630,0sleep00-21swapper/009:19:220
140572600,0sleep30-21swapper/310:34:133
240282580,0sleep30-21swapper/310:55:403
189062580,0sleep10-21swapper/108:30:171
241872570,0sleep10-21swapper/110:31:441
177342550,0sleep10-21swapper/111:28:461
258132540,0sleep30-21swapper/312:38:573
6032530,0sleep10-21swapper/110:29:231
265832520,0sleep326581-21grep11:05:543
25882520,1sleep02585-21sshd09:13:240
195432510,0sleep20-21swapper/209:37:302
70532490,0sleep2311rcuc/211:03:562
200662490,0sleep01011-21sshd11:15:160
173602490,0sleep10-21swapper/112:30:511
173602490,0sleep10-21swapper/112:30:501
132032490,2sleep01695999cyclictest11:21:170
264122480,0sleep00-21swapper/009:49:080
1676224836,7sleep10-21swapper/107:08:461
236622450,0sleep10-21swapper/110:24:381
282472440,1sleep328242-21sshd11:26:243
264212420,0sleep10-21swapper/111:47:261
249402390,0sleep20-21swapper/209:45:182
276332360,2sleep11696599cyclictest11:22:591
150702319,7sleep30-21swapper/307:05:043
168452308,7sleep20-21swapper/207:09:432
166582298,7sleep00-21swapper/007:07:280
325352210,0sleep30-21swapper/310:11:303
248262210,0sleep00-21swapper/010:52:330
230192170,0sleep20-21swapper/212:38:322
203462170,0sleep20-21swapper/212:34:412
203462170,0sleep20-21swapper/212:34:402
1696599170,0cyclictest0-21swapper/107:50:101
1696599170,0cyclictest0-21swapper/107:50:101
16959991717,0cyclictest523-40kipmi010:48:550
16959991716,0cyclictest4751-21kworker/0:212:10:540
171902160,0sleep00-21swapper/011:35:270
16959991614,1cyclictest12519-21kworker/0:211:02:480
94392150,0sleep10-21swapper/111:00:511
77242150,0sleep10-21swapper/111:31:031
67732150,0sleep00-21swapper/012:33:140
67732150,0sleep00-21swapper/012:33:140
24832150,0sleep30-21swapper/310:15:163
197912150,1sleep119663-21sshd10:45:131
16959991514,0cyclictest6647-21kworker/0:210:30:230
16959991514,0cyclictest5170-21kworker/0:110:58:070
16959991514,0cyclictest2052-21kworker/0:110:11:080
16959991514,0cyclictest14516-21kworker/0:109:27:290
84702140,0sleep30-21swapper/311:48:563
281012140,0sleep00-21swapper/009:23:450
16959991413,0cyclictest523-40kipmi010:40:340
16959991413,0cyclictest25326-21kworker/0:312:22:520
16959991413,0cyclictest19471-21kworker/0:010:21:120
228952130,0sleep10-21swapper/111:15:291
216622130,0sleep2321ktimersoftd/211:08:462
209612130,1sleep120956-21sshd11:39:331
16959991312,0cyclictest6647-21kworker/0:210:19:480
1695999130,12cyclictest12250-21kworker/0:211:27:290
95222120,0sleep00-21swapper/011:31:180
1697699123,3cyclictest41-21ksoftirqd/310:41:443
1697699123,1cyclictest41-21ksoftirqd/310:38:193
1697699120,1cyclictest13893-21sshd09:29:363
1697699120,11cyclictest0-21swapper/311:33:173
1697299120,11cyclictest681-21gdbus11:57:472
1697299120,11cyclictest0-21swapper/210:20:472
1697299120,11cyclictest0-21swapper/210:03:082
16965991210,1cyclictest2613-21sshd12:19:001
1696599120,11cyclictest3091-21sshd10:04:501
1696599120,11cyclictest0-21swapper/110:40:001
16959991211,0cyclictest3825-21kworker/0:009:08:440
16959991211,0cyclictest29507-21lspci10:07:410
16959991211,0cyclictest21463-21lspci09:30:200
16959991211,0cyclictest1546-21lspci12:36:000
1695999120,11cyclictest0-21swapper/010:04:210
279952110,0sleep127998-21bash10:52:541
1697699119,1cyclictest41-21ksoftirqd/312:29:393
1697699116,4cyclictest41-21ksoftirqd/311:18:283
1697699113,3cyclictest41-21ksoftirqd/309:33:043
1697699111,1cyclictest121rcu_preempt12:12:553
1697699111,0cyclictest41-21ksoftirqd/311:23:373
1697699111,0cyclictest121rcu_preempt09:36:413
16976991110,0cyclictest41-21ksoftirqd/309:16:213
16976991110,0cyclictest0-21swapper/310:07:163
16976991110,0cyclictest0-21swapper/308:45:173
1697699110,2cyclictest29544-21bash11:36:453
1697699110,0cyclictest0-21swapper/309:40:463
1697299119,1cyclictest30659-21sshd10:25:172
16972991110,0cyclictest0-21swapper/212:10:582
16972991110,0cyclictest0-21swapper/211:16:472
16972991110,0cyclictest0-21swapper/210:40:382
16972991110,0cyclictest0-21swapper/209:44:272
1697299110,0cyclictest31123-21sshd10:14:572
1696599110,10cyclictest0-21swapper/112:07:301
1696599110,10cyclictest0-21swapper/110:44:011
1695999119,1cyclictest9-21ksoftirqd/010:25:120
16959991110,0cyclictest4751-21kworker/0:212:19:350
16959991110,0cyclictest0-21swapper/012:01:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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