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2025-11-28 - 14:45
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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 Fri Nov 28, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
863921010,1sleep02194299cyclictest11:31:100
107462990,0sleep12194899cyclictest12:00:151
107462990,0sleep12194899cyclictest12:00:141
243362830,0sleep30-21swapper/310:59:323
166352750,0sleep10-21swapper/109:39:401
287892730,0sleep00-21swapper/010:13:280
276262700,0sleep327619-21bash12:12:423
45192690,0sleep24521-21latency_hist07:45:002
234232680,1sleep323405-21rm09:47:473
245622650,0sleep00-21swapper/011:06:340
155012650,0sleep20-21swapper/211:21:142
327282630,0sleep10-21swapper/109:23:181
312542630,1sleep231252-21lspci10:27:512
216792610,0sleep30-21swapper/309:18:283
31912590,0sleep20-21swapper/212:02:562
31912590,0sleep20-21swapper/212:02:552
28702560,0sleep10-21swapper/111:30:301
215652560,0sleep321561-21bash11:21:553
163052550,0sleep316301-21lspci09:39:383
310652540,0sleep00-21swapper/010:03:030
196942540,0sleep2311rcuc/211:46:572
146972540,1sleep114698-21id10:04:511
72432530,0sleep20-21swapper/209:35:012
13972530,0sleep20-21swapper/210:10:212
121882520,2sleep32196099cyclictest11:08:493
10072520,0sleep20-21swapper/209:41:262
73852480,0sleep00-21swapper/011:20:150
70562470,0sleep30-21swapper/310:43:143
102722470,0sleep0111rcuc/009:13:390
195292440,1sleep119511-21bash12:11:481
191122430,2sleep12194899cyclictest11:50:291
2170724136,3sleep00-21swapper/007:08:160
156762390,0sleep20-21swapper/211:13:102
274992290,0sleep20-21swapper/211:33:152
218302286,7sleep20-21swapper/207:09:432
2161622715,7sleep30-21swapper/307:07:073
158352250,1sleep015831-21sshd09:46:520
2178222217,3sleep10-21swapper/107:09:141
57762200,0sleep20-21swapper/210:39:292
61862170,0sleep30-21swapper/309:34:543
318122170,0sleep30-21swapper/310:13:473
21948991715,1cyclictest2877-21lspci12:17:051
21942991716,0cyclictest27537-21lspci10:20:240
159782160,1sleep315981-21timerwakeupswit08:10:213
144692160,0sleep00-21swapper/012:11:140
306902150,0sleep10-21swapper/112:20:121
90852140,0sleep30-21swapper/309:57:053
90592140,0sleep10-21swapper/110:43:281
226922140,0sleep30-21swapper/311:18:063
266402130,1sleep226635-21bash10:55:582
242152130,0sleep10-21swapper/107:15:011
2196099130,12cyclictest28257-21lspci10:09:523
21954991311,1cyclictest20193-21lspci11:17:442
21954991311,1cyclictest14420-21grep12:39:542
21942991311,1cyclictest6341-21sshd11:27:240
61662120,0sleep00-21swapper/010:46:390
287972120,0sleep2311rcuc/207:25:112
2196099120,1cyclictest30309-21sshd11:48:113
2196099120,1cyclictest29243-21sshd11:37:023
2196099120,1cyclictest20399-21sshd09:21:513
2196099120,1cyclictest18227-21sshd11:28:423
2196099120,11cyclictest9303-21lspci09:53:313
2196099120,11cyclictest26520-21sshd10:02:313
2196099120,11cyclictest0-21swapper/309:29:423
21954991211,0cyclictest31967-21lspci12:20:182
21954991211,0cyclictest25098-21lspci11:54:482
21954991211,0cyclictest24031-21lspci11:25:482
21954991211,0cyclictest14660-21lspci12:11:162
21954991210,1cyclictest8610-21lspci09:49:532
2195499120,11cyclictest31025-21sshd09:59:342
2195499120,11cyclictest17075-21sshd10:22:542
2195499120,11cyclictest0-21swapper/210:06:232
21948991210,1cyclictest6517-21/usr/sbin/munin10:25:191
21948991210,1cyclictest619-17sedispatch09:12:081
21948991210,1cyclictest30768-21lspci09:55:491
21948991210,1cyclictest23233-21sshd11:58:081
21948991210,1cyclictest0-21swapper/111:17:091
2194899120,1cyclictest618-13audispd09:27:081
2194899120,1cyclictest0-21swapper/109:33:591
2194899120,0cyclictest0-21swapper/110:48:191
2194299120,1cyclictest0-21swapper/012:33:530
2194299120,1cyclictest0-21swapper/011:17:440
2194299120,11cyclictest646-21dbus-daemon11:12:530
2194299120,11cyclictest0-21swapper/009:39:130
21960991110,0cyclictest0-21swapper/311:41:113
2196099110,10cyclictest0-21swapper/311:10:023
2196099110,0cyclictest0-21swapper/311:55:513
21954991110,0cyclictest29287-21lspci12:27:192
2195499110,10cyclictest0-21swapper/211:38:542
2195499110,10cyclictest0-21swapper/209:17:242
2195499110,10cyclictest0-21swapper/209:14:332
2195499110,0cyclictest0-21swapper/211:57:432
2194899119,1cyclictest1045-21bash11:26:491
2194899119,1cyclictest0-21swapper/111:21:581
21948991110,0cyclictest0-21swapper/111:46:581
2194899110,10cyclictest17480-21sshd11:39:181
2194899110,10cyclictest0-21swapper/112:33:581
2194899110,10cyclictest0-21swapper/110:05:281
2194899110,0cyclictest0-21swapper/110:21:191
2194299119,1cyclictest27299-21sshd09:26:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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