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2025-11-27 - 23:40
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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 Thu Nov 27, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260821080,1sleep22606-21lspci10:41:402
1277021050,0sleep20-21swapper/210:13:102
2373321030,0sleep20-21swapper/209:52:142
1497221030,0sleep014971-21sendmail_mailst07:25:160
491221020,1sleep341-21ksoftirqd/309:25:243
318652980,0sleep031863-21grepconf.sh10:22:520
299272970,2sleep3710799cyclictest11:20:543
141312950,0sleep1710399cyclictest11:19:171
204392640,0sleep220430-21lspci12:02:152
322452600,0sleep20-21swapper/212:19:262
146722600,0sleep20-21swapper/211:22:542
123672600,0sleep20-21swapper/207:20:142
107942580,0sleep20-21swapper/210:53:222
132402560,0sleep10-21swapper/112:35:541
313852550,0sleep00-21swapper/009:35:260
191272550,0sleep10-21swapper/111:40:521
44452540,2sleep2710699cyclictest11:35:482
190682510,0sleep0111rcuc/012:27:200
323772500,0sleep20-21swapper/210:27:142
312372500,1sleep0111rcuc/009:09:150
273552500,0sleep00-21swapper/011:31:170
100752480,0sleep30-21swapper/309:46:543
59252460,0sleep30-21swapper/310:12:253
267292400,0sleep30-21swapper/311:13:343
236982370,0sleep30-21swapper/312:33:573
164212350,0sleep30-21swapper/310:43:093
97992290,1sleep39797-21sshd10:35:163
67662297,7sleep10-21swapper/107:07:081
665322810,6sleep20-21swapper/207:05:422
327412260,0sleep20-21swapper/211:28:272
189482250,0sleep20-21swapper/209:27:032
38272240,0sleep10-21swapper/111:00:071
680722311,7sleep30-21swapper/307:07:393
680922210,7sleep00-21swapper/007:07:390
79632180,1sleep1231rcuc/112:17:051
34072180,2sleep1710399cyclictest11:10:561
318872180,0sleep0101ktimersoftd/012:19:230
286172180,0sleep00-21swapper/011:17:200
170342170,0sleep00-21swapper/009:30:220
91022160,0sleep30-21swapper/309:58:173
80502160,0sleep20-21swapper/210:24:152
67302160,0sleep00-21swapper/010:52:570
318962160,1sleep131892-21lspci09:32:031
19212160,1sleep00-21swapper/009:46:040
16082160,0sleep30-21swapper/309:10:053
109922160,0sleep2311rcuc/211:43:332
94642150,0sleep00-21swapper/011:50:350
41212150,0sleep30-21swapper/312:00:363
219192150,0sleep00-21swapper/011:20:070
13882150,0sleep20-21swapper/212:06:522
710799140,13cyclictest0-21swapper/310:16:573
710399140,2cyclictest30038-21id11:31:341
116872140,0sleep20-21swapper/209:43:462
7107991311,1cyclictest17062-21sshd12:36:173
710399130,1cyclictest700-21gdbus12:03:141
709799130,1cyclictest0-21swapper/009:56:450
317822130,0sleep00-21swapper/009:28:250
299912130,1sleep2321ktimersoftd/209:38:482
14852130,0sleep20-21swapper/209:10:042
710799120,1cyclictest21959-21sshd12:27:383
710799120,1cyclictest21067-21bash12:12:073
710799120,11cyclictest0-21swapper/309:33:573
710799120,0cyclictest0-21swapper/310:21:183
710699120,11cyclictest616-17auditd12:33:102
710699120,11cyclictest0-21swapper/210:09:092
7103991210,1cyclictest1358-21bash10:59:441
7103991210,1cyclictest0-21swapper/112:28:041
7103991210,1cyclictest0-21swapper/110:15:441
710399120,11cyclictest0-21swapper/110:53:251
7097991210,1cyclictest618-13audispd11:01:350
7097991210,1cyclictest0-21swapper/012:12:440
709799120,11cyclictest21011-21sshd09:51:540
710799119,1cyclictest2827-21sshd09:42:483
7107991110,0cyclictest0-21swapper/309:17:373
710799110,10cyclictest0-21swapper/311:06:473
710799110,10cyclictest0-21swapper/310:48:483
710799110,0cyclictest0-21swapper/312:19:283
710699119,1cyclictest4232-21sshd11:32:182
7106991110,0cyclictest0-21swapper/212:21:292
7106991110,0cyclictest0-21swapper/210:15:382
7103991110,0cyclictest0-21swapper/111:21:141
7103991110,0cyclictest0-21swapper/110:36:351
7103991110,0cyclictest0-21swapper/109:54:341
7103991110,0cyclictest0-21swapper/109:07:541
710399110,10cyclictest0-21swapper/109:28:541
710399110,0cyclictest0-21swapper/110:20:051
709799119,1cyclictest443-21systemd-journal09:24:340
709799119,1cyclictest15329-21bash10:25:150
7097991110,0cyclictest0-21swapper/011:28:250
7097991110,0cyclictest0-21swapper/010:48:240
7097991110,0cyclictest0-21swapper/010:35:150
7097991110,0cyclictest0-21swapper/010:31:340
90202100,0sleep10-21swapper/111:50:331
710799109,0cyclictest0-21swapper/311:01:573
710799109,0cyclictest0-21swapper/310:59:183
710799109,0cyclictest0-21swapper/310:27:473
710799108,1cyclictest18770-21sshd11:33:573
710799100,0cyclictest0-21swapper/311:28:183
710699109,0cyclictest0-21swapper/212:36:292
710699109,0cyclictest0-21swapper/211:51:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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