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2026-05-02 - 14:26
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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 Sat May 02, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2084821140,0sleep20-21swapper/210:23:032
210321070,0sleep00-21swapper/010:35:270
83922720,0sleep08391-21bash12:22:490
45132710,0sleep00-21swapper/010:24:290
274632560,0sleep327361-21sshd11:36:433
165502560,0sleep00-21swapper/011:32:590
252292550,1sleep0674-21dbus-daemon11:47:490
259582540,0sleep10-21swapper/111:16:531
147582530,1sleep0674-21dbus-daemon10:28:100
138542530,1sleep313852-21sshd10:19:403
108962530,0sleep30-21swapper/311:21:123
162372520,0sleep30-21swapper/312:26:183
273872510,0sleep10-21swapper/111:56:231
219562510,1sleep1642-21systemd-logind10:34:281
86252500,0sleep30-21swapper/309:20:003
302252490,0sleep30-21swapper/310:52:013
302252490,0sleep30-21swapper/310:52:003
25642480,0sleep02565-21bash11:06:270
185992480,0sleep118600-21sshd11:41:331
161822450,0sleep20-21swapper/211:32:572
640424435,4sleep20-21swapper/207:06:152
69282420,0sleep175850irq/25-eno1-tx-10:58:271
67612400,0sleep20-21swapper/209:32:212
265152400,2sleep3682399cyclictest11:50:403
279382380,0sleep20-21swapper/211:36:462
666022514,7sleep00-21swapper/007:09:300
203462250,1sleep220348-21bash11:47:232
654422210,7sleep30-21swapper/307:07:593
63742209,6sleep10-21swapper/107:05:541
261392200,0sleep30-21swapper/310:43:153
97862190,0sleep00-21swapper/010:33:230
39802190,1sleep03981-21sshd11:57:100
229152180,0sleep20-21swapper/212:04:302
231072170,0sleep30-21swapper/310:14:483
210772170,1sleep121078-21grepconf.sh10:06:001
120372170,0sleep10-21swapper/112:09:081
6819991615,0cyclictest321ktimersoftd/212:22:312
6819991615,0cyclictest17349-21lspci10:14:172
6819991615,0cyclictest11292-21lspci09:56:272
36922160,0sleep23695-21grep11:43:062
6819991514,0cyclictest12121-21lspci10:27:572
6807991513,1cyclictest624-13audispd11:52:460
147342150,0sleep20-21swapper/209:53:512
69792140,1sleep09-21ksoftirqd/011:12:280
682399140,12cyclictest674-21dbus-daemon11:01:343
682399140,12cyclictest23835-21sshd12:04:353
6819991413,0cyclictest6448-21lspci11:06:482
6819991413,0cyclictest321ktimersoftd/211:19:172
314022140,0sleep0111rcuc/011:37:030
309732140,0sleep10-21swapper/112:30:191
210472140,0sleep30-21swapper/311:55:493
682399130,11cyclictest5727-21grepconf.sh11:46:043
6819991313,0cyclictest321ktimersoftd/210:33:062
6819991312,0cyclictest33-21ksoftirqd/210:43:592
6819991312,0cyclictest321ktimersoftd/210:48:502
6819991312,0cyclictest12160-21lspci11:10:112
681499130,1cyclictest25198-21lspci10:23:271
6807991311,1cyclictest0-21swapper/009:44:150
320982130,0sleep032096-21sshd10:46:320
308262130,0sleep1231rcuc/110:46:251
230902130,0sleep00-21swapper/011:22:170
682399120,11cyclictest11705-21lspci12:34:243
681999122,3cyclictest33-21ksoftirqd/209:39:582
6819991211,0cyclictest21966-21lspci11:27:502
6819991210,1cyclictest642-21systemd-logind12:30:012
6819991210,1cyclictest33-21ksoftirqd/210:55:402
681999120,11cyclictest0-21swapper/210:02:422
681999120,0cyclictest11278-21sshd09:44:112
6814991210,1cyclictest12371-21sshd09:44:171
6814991210,1cyclictest0-21swapper/111:10:271
680799120,11cyclictest16647-21id11:02:060
320222120,0sleep10-21swapper/110:38:081
28622120,0sleep10-21swapper/112:39:171
28622120,0sleep10-21swapper/112:39:161
222822120,0sleep30-21swapper/310:45:393
70132110,1sleep2321ktimersoftd/209:15:392
682399119,1cyclictest674-21dbus-daemon10:55:053
682399119,1cyclictest28798-21lspci11:14:253
6823991110,0cyclictest0-21swapper/312:14:243
682399110,10cyclictest31432-21bash09:42:543
682399110,10cyclictest0-21swapper/312:09:543
682399110,10cyclictest0-21swapper/310:33:043
681999119,1cyclictest33-21ksoftirqd/211:52:322
681999119,1cyclictest13964-21sshd11:24:212
681999111,3cyclictest33-21ksoftirqd/211:56:522
6819991110,0cyclictest32468-21lspci12:27:442
6819991110,0cyclictest1002-21snmpd07:52:312
681999110,1cyclictest16701-21sshd09:29:212
681999110,10cyclictest0-21swapper/210:38:512
681999110,0cyclictest29607-21kworker/2:310:17:012
681499110,10cyclictest0-21swapper/111:50:481
681499110,10cyclictest0-21swapper/111:09:371
681499110,10cyclictest0-21swapper/110:29:581
681499110,10cyclictest0-21swapper/109:28:171
681499110,0cyclictest0-21swapper/112:02:171
681499110,0cyclictest0-21swapper/111:35:071
680799110,10cyclictest0-21swapper/012:37:460
680799110,10cyclictest0-21swapper/012:37:450
680799110,10cyclictest0-21swapper/012:17:460
680799110,10cyclictest0-21swapper/010:11:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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