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2025-12-08 - 08:35
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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 Mon Dec 08, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214252990,0sleep30-21swapper/321:27:483
165812820,1sleep0101ktimersoftd/000:32:250
39662770,0sleep00-21swapper/021:57:570
187102630,0sleep2311rcuc/222:18:382
105992610,0sleep20-21swapper/222:30:232
19542600,0sleep10-21swapper/100:34:351
70042580,0sleep00-21swapper/023:05:180
163982570,1sleep016391-21lspci21:36:510
246972540,0sleep30-21swapper/322:15:593
33292530,1sleep03328-21sshd22:36:060
284652520,0sleep10-21swapper/123:23:211
207852520,0sleep120784-21sshd23:44:571
155602520,0sleep20-21swapper/221:59:072
59742510,0sleep20-21swapper/200:16:532
27062500,1sleep02703-21bash00:05:550
227772500,0sleep20-21swapper/222:28:312
202342490,0sleep00-21swapper/022:53:490
158352490,0sleep00-21swapper/022:34:140
179622480,1sleep217963-21lspci21:21:032
29922470,0sleep00-21swapper/021:51:240
218512440,0sleep20-21swapper/221:11:182
24632380,0sleep32465-21grepconf.sh23:17:353
1718823311,7sleep10-21swapper/119:08:211
1728323211,6sleep20-21swapper/219:09:352
171452308,7sleep30-21swapper/319:07:523
1702023025,3sleep00-21swapper/019:06:200
17421992523,1cyclictest13636-21lspci21:17:271
69342240,2sleep31742599cyclictest23:08:293
147942190,0sleep214797-21bash00:10:402
183542180,1sleep118293-21sshd23:57:301
1742499160,13cyclictest646-21dbus-daemon00:00:352
79862150,0sleep20-21swapper/222:04:482
265542150,0sleep10-21swapper/123:13:361
1742599150,0cyclictest616-17auditd00:23:053
17421991514,0cyclictest9610-21sensors22:30:201
157772150,0sleep20-21swapper/222:46:542
95442140,0sleep09546-21head20:05:210
4842140,0sleep1231rcuc/122:16:491
4582140,0sleep10-21swapper/122:23:101
276202140,0sleep327551-21sshd23:20:073
264202140,0sleep00-21swapper/021:34:420
23032140,0sleep10-21swapper/123:46:121
221132140,0sleep30-21swapper/322:44:223
217922140,0sleep30-21swapper/322:06:053
217922140,0sleep30-21swapper/322:06:053
1742599140,8cyclictest18348-21sshd21:40:143
1742599140,6cyclictest646-21dbus-daemon21:30:193
1742599140,5cyclictest27271-21grep21:47:283
1742599140,5cyclictest25832-21bash23:00:443
1742599140,5cyclictest2491-21grep00:16:303
17421991413,0cyclictest33050irq/27-ahci[00023:08:351
17421991413,0cyclictest26572-21lspci00:01:321
17421991413,0cyclictest2508-21lspci23:52:401
10022140,0sleep30-21swapper/321:35:183
234562130,1sleep223454-21sshd23:13:172
21532130,0sleep22155-21bash21:19:342
17425991311,1cyclictest0-21swapper/322:20:263
17425991310,2cyclictest0-21swapper/300:36:553
1742599130,6cyclictest646-21dbus-daemon23:35:593
1742599130,6cyclictest646-21dbus-daemon22:00:353
1742599130,6cyclictest31345-21bash21:51:003
1742599130,0cyclictest0-21swapper/323:55:253
1742599130,0cyclictest0-21swapper/322:29:583
1742599130,0cyclictest0-21swapper/300:09:153
1742499130,1cyclictest443-21systemd-journal00:25:552
1741599138,4cyclictest8853-21sshd22:20:450
17415991311,1cyclictest443-21systemd-journal21:18:060
1741599130,12cyclictest616-17auditd00:11:550
110642130,0sleep20-21swapper/222:20:582
1742599129,2cyclictest0-21swapper/321:20:053
17425991210,1cyclictest0-21swapper/322:36:263
1742599120,7cyclictest1034-21in:imjournal23:44:333
1742599120,6cyclictest646-21dbus-daemon23:27:403
1742599120,6cyclictest25281-21sshd23:45:173
1742599120,5cyclictest646-21dbus-daemon22:14:543
1742599120,5cyclictest11318-21bash22:33:463
1742599120,1cyclictest6932-21sshd00:02:553
17424991210,1cyclictest16448-21sshd23:31:452
1742499120,11cyclictest21631-21lspci23:16:152
1742499120,11cyclictest0-21swapper/222:58:352
17421991211,0cyclictest11790-21lspci21:55:261
17421991210,1cyclictest2045-21lspci21:13:021
17421991210,1cyclictest11321-21sshd23:18:291
1742199120,11cyclictest0-21swapper/100:39:091
1741599120,1cyclictest25098-21sshd22:28:460
1741599120,11cyclictest7091-21sshd23:14:550
1742599115,5cyclictest700-21gdbus22:54:113
1742599114,5cyclictest12715-21sshd21:55:323
1742599111,5cyclictest16257-21lspci23:34:573
1742599110,0cyclictest0-21swapper/322:55:153
1742599110,0cyclictest0-21swapper/319:54:183
17424991110,0cyclictest0-21swapper/222:11:152
17424991110,0cyclictest0-21swapper/219:45:142
1742499110,10cyclictest0-21swapper/223:53:062
1742499110,10cyclictest0-21swapper/223:07:052
1742499110,10cyclictest0-21swapper/221:07:342
1742499110,0cyclictest0-21swapper/223:45:352
1742499110,0cyclictest0-21swapper/200:06:562
17421991110,0cyclictest33050irq/27-ahci[00000:28:541
17421991110,0cyclictest2020-21lspci23:39:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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