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2026-07-29 - 14:50
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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 rack3slot0.osadl.org (updated Wed Jul 29, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158242940,1sleep315815-21sshd09:22:403
252632870,2sleep11980199cyclictest12:24:351
113312780,2sleep51981799cyclictest11:34:495
113312780,2sleep51981799cyclictest11:34:495
121362760,7sleep09-21ksoftirqd/012:00:150
37892740,1sleep73786-21sshd10:49:027
172092700,0sleep50-21swapper/511:46:035
38502570,0sleep10-21swapper/112:06:571
190462550,0sleep40-21swapper/412:20:384
168492550,0sleep60-21swapper/612:15:036
157792540,0sleep10-21swapper/110:24:211
101222500,0sleep00-21swapper/009:36:470
279362480,0sleep127899-21sshd10:01:231
1962724825,8sleep50-21swapper/507:05:265
1957424825,9sleep00-21swapper/007:04:410
158622480,2sleep0111rcuc/011:47:420
120412480,0sleep30-21swapper/310:49:303
265712470,0sleep70-21swapper/711:26:347
265712470,0sleep70-21swapper/711:26:347
20692470,0sleep20-21swapper/212:17:472
200412470,0sleep70-21swapper/712:24:177
72442460,0sleep60-21swapper/609:18:356
14452460,0sleep40-21swapper/410:32:334
310012450,1sleep71982899cyclictest09:23:327
296572450,0sleep20-21swapper/209:39:452
226542450,0sleep10-21swapper/112:31:401
145552450,0sleep314551-21sshd10:27:523
127282450,0sleep70-21swapper/709:40:387
116312450,1sleep665-21ksoftirqd/610:31:236
229462430,0sleep4481ktimersoftd/411:08:134
45742420,0sleep14555-21sshd11:16:191
239962420,0sleep10-21swapper/110:08:271
1932924223,4sleep10-21swapper/107:02:021
29672410,0sleep50-21swapper/511:14:235
256812410,1sleep585250irq/26-em1-tx-010:41:155
256812410,1sleep585250irq/26-em1-tx-010:41:155
1957224129,8sleep70-21swapper/707:04:407
1942724130,8sleep30-21swapper/307:03:243
132912410,0sleep00-21swapper/012:27:310
108012410,1sleep010796-21sshd12:18:170
324732400,1sleep665-21ksoftirqd/611:34:106
324732400,1sleep665-21ksoftirqd/611:34:106
203132400,0sleep60-21swapper/609:31:566
1942624029,8sleep20-21swapper/207:03:232
1937424028,8sleep60-21swapper/607:02:396
189232400,0sleep00-21swapper/010:55:200
100652400,0sleep70-21swapper/712:05:357
295952390,2sleep71982899cyclictest10:28:447
210582390,0sleep30-21swapper/311:15:253
1941723926,9sleep40-21swapper/407:03:174
47662380,0sleep50-21swapper/510:56:215
276122380,0sleep70-21swapper/709:32:217
12212380,0sleep70-21swapper/709:59:527
19824992212,2cyclictest131rcu_sched10:21:266
66432200,0sleep50-21swapper/511:29:055
66432200,0sleep50-21swapper/511:29:055
51332200,1sleep0464-21systemd-journal10:07:220
212462200,0sleep2311rcuc/211:22:372
1982499207,4cyclictest65-21ksoftirqd/609:13:216
1982499207,1cyclictest65-21ksoftirqd/610:26:376
1982499206,1cyclictest65-21ksoftirqd/609:11:036
19824992014,4cyclictest65-21ksoftirqd/610:18:136
19824992010,1cyclictest65-21ksoftirqd/611:16:356
198472190,0sleep70-21swapper/710:22:437
1982899192,6cyclictest0-21swapper/709:54:077
1982899190,1cyclictest0-21swapper/710:17:027
19824991914,2cyclictest464-21systemd-journal11:47:066
19815991914,4cyclictest49-21ksoftirqd/409:10:414
201912180,1sleep220180-21cp10:11:492
1982899180,2cyclictest2424-21sshd10:57:587
1982899180,1cyclictest0-21swapper/711:07:257
1982899180,1cyclictest0-21swapper/710:06:547
1982499188,1cyclictest65-21ksoftirqd/611:31:046
1982499188,1cyclictest65-21ksoftirqd/611:31:046
1982499187,1cyclictest65-21ksoftirqd/612:30:006
1982499187,1cyclictest65-21ksoftirqd/611:07:226
1982499186,1cyclictest65-21ksoftirqd/611:01:506
1982499186,1cyclictest65-21ksoftirqd/610:45:246
1982499182,1cyclictest65-21ksoftirqd/610:00:246
19824991816,1cyclictest65-21ksoftirqd/612:17:466
19824991816,1cyclictest65-21ksoftirqd/610:01:326
280372170,2sleep31980799cyclictest11:19:263
1982899170,6cyclictest10257-21sshd12:29:137
1982899170,2cyclictest26325-21bash11:42:517
1982499177,1cyclictest65-21ksoftirqd/609:37:066
1982499174,3cyclictest65-21ksoftirqd/610:56:536
1982499174,1cyclictest65-21ksoftirqd/609:29:196
19824991715,1cyclictest65-21ksoftirqd/611:12:576
19824991714,3cyclictest65-21ksoftirqd/610:06:386
19824991714,1cyclictest65-21ksoftirqd/611:46:206
19824991714,1cyclictest65-21ksoftirqd/610:41:206
19824991713,1cyclictest65-21ksoftirqd/610:55:126
1982499171,1cyclictest131rcu_sched09:50:216
1982499170,1cyclictest0-21swapper/611:36:596
19815991716,1cyclictest49-21ksoftirqd/412:32:164
19801991716,1cyclictest25-21ksoftirqd/109:35:031
19801991715,1cyclictest25-21ksoftirqd/111:34:231
19801991715,1cyclictest25-21ksoftirqd/111:34:231
7122160,1sleep2641-21sshd11:52:162
28152160,0sleep50-21swapper/510:14:325
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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