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2026-03-07 - 17:57
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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 Mar 07, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157902920,0sleep10-21swapper/109:32:121
84062910,2sleep13042899cyclictest11:03:571
195452910,2sleep23043599cyclictest09:27:242
132322770,2sleep03042399cyclictest10:58:500
278352730,0sleep00-21swapper/012:08:510
38282630,1sleep2321ktimersoftd/211:50:152
119272590,0sleep00-21swapper/009:52:330
165542580,0sleep00-21swapper/012:13:250
72572560,1sleep27253-21bash12:04:212
47112560,0sleep30-21swapper/311:28:213
71922550,0sleep30-21swapper/310:39:063
124882550,0sleep312487-21sshd11:06:593
124882550,0sleep312487-21sshd11:06:583
234662540,0sleep30-21swapper/309:43:283
318682520,0sleep2311rcuc/211:33:252
194922520,0sleep20-21swapper/210:51:032
320022510,0sleep30-21swapper/311:22:243
23672510,0sleep32363-21lspci10:44:113
74222500,1sleep1231rcuc/111:45:061
60242500,0sleep0101ktimersoftd/010:52:410
325932500,0sleep00-21swapper/010:41:110
309182500,0sleep20-21swapper/210:38:212
271322500,0sleep10-21swapper/111:55:031
236102500,0sleep0111rcuc/010:04:150
11432500,1sleep1241ktimersoftd/109:44:341
75622490,0sleep20-21swapper/211:17:352
235712490,0sleep20-21swapper/211:43:432
132762490,0sleep00-21swapper/011:56:340
116002490,0sleep20-21swapper/212:12:592
207372470,0sleep20-21swapper/211:07:422
207372470,0sleep20-21swapper/211:07:412
3009724540,3sleep00-21swapper/007:07:170
167742430,2sleep23043599cyclictest10:42:382
128862360,1sleep23043599cyclictest12:32:202
92072350,0sleep10-21swapper/110:02:391
3002923222,6sleep10-21swapper/107:06:261
300942297,7sleep20-21swapper/207:07:152
48482220,1sleep24842-21bash12:28:562
37352220,0sleep30-21swapper/311:47:313
3010522211,7sleep30-21swapper/307:07:243
323912170,0sleep00-21swapper/011:00:230
296132170,0sleep2311rcuc/209:12:222
79882160,0sleep10-21swapper/112:34:441
30435991615,0cyclictest321ktimersoftd/210:26:032
203902160,0sleep00-21swapper/011:07:400
203902160,0sleep00-21swapper/011:07:390
41442150,1sleep125-21ksoftirqd/109:51:421
40762150,0sleep04079-21timerandwakeup07:20:250
30435991514,0cyclictest22662-21lspci11:27:062
107422150,0sleep30-21swapper/309:35:103
83552140,0sleep20-21swapper/208:50:202
3043599142,1cyclictest710-21NetworkManager10:19:082
30435991414,0cyclictest321ktimersoftd/210:09:502
30435991413,0cyclictest5224-21lspci10:47:082
30435991413,0cyclictest17787-21lspci12:21:442
242052140,0sleep00-21swapper/009:33:080
240112140,0sleep00-21swapper/010:45:570
212732140,0sleep30-21swapper/311:32:303
179582140,0sleep01-21systemd12:24:330
162042140,0sleep00-21swapper/011:12:480
325872130,0sleep00-21swapper/011:19:450
3044099130,12cyclictest75750irq/24-eno1-rx-12:38:103
3044099130,12cyclictest660-21avahi-daemon11:03:193
30428991311,1cyclictest0-21swapper/110:52:111
30428991311,1cyclictest0-21swapper/110:26:211
3042899130,1cyclictest27239-21lspci10:21:321
3042399131,1cyclictest620-17auditd10:23:250
81082120,0sleep00-21swapper/009:19:580
81082120,0sleep00-21swapper/009:19:570
70542120,0sleep37056-21sshd12:23:373
3044099120,1cyclictest16981-21latency_hist07:55:003
30435991211,0cyclictest5583-21lspci11:55:532
3043599120,1cyclictest30847-21bash11:22:182
30428991210,1cyclictest1-21systemd09:23:111
3042899120,11cyclictest0-21swapper/110:46:421
30423991210,1cyclictest0-21swapper/012:28:350
3042399120,11cyclictest7739-21lspci12:37:250
3042399120,11cyclictest0-21swapper/009:40:140
3044099110,10cyclictest0-21swapper/312:28:093
3044099110,10cyclictest0-21swapper/311:51:593
3044099110,10cyclictest0-21swapper/311:41:503
3044099110,10cyclictest0-21swapper/310:53:593
3043599119,1cyclictest642-21systemd-logind10:13:582
3043599111,1cyclictest33-21ksoftirqd/211:14:052
30435991110,0cyclictest17224-21lspci10:03:322
3043599110,10cyclictest0-21swapper/209:50:082
3043599110,0cyclictest0-21swapper/209:47:082
3043599110,0cyclictest0-21swapper/208:55:192
30428991110,0cyclictest0-21swapper/112:29:211
3042399119,1cyclictest25555-21sshd11:49:250
3042399110,10cyclictest0-21swapper/011:20:350
3042399110,0cyclictest31317-21strings07:10:140
141662110,0sleep20-21swapper/212:18:422
131632110,0sleep10-21swapper/109:56:081
3044099109,0cyclictest0-21swapper/310:27:493
3044099109,0cyclictest0-21swapper/309:22:493
3044099109,0cyclictest0-21swapper/308:05:193
3044099109,0cyclictest0-21swapper/307:25:203
3044099108,1cyclictest3312-21sshd12:34:203
3044099108,1cyclictest32440-21sshd11:36:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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