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2026-04-19 - 10:05
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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 Sun Apr 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240982760,0sleep024084-21sshd21:20:560
270282550,0sleep30-21swapper/323:20:193
20672550,0sleep10-21swapper/123:03:551
30762540,0sleep10-21swapper/100:21:331
151542540,1sleep00-21swapper/000:29:010
128462520,0sleep10-21swapper/123:05:031
116882520,0sleep111652-21sshd00:25:251
305612500,0sleep10-21swapper/123:53:081
14082500,0sleep30-21swapper/322:05:173
132452500,0sleep20-21swapper/200:31:552
56962490,0sleep00-21swapper/023:07:370
54922490,0sleep30-21swapper/323:53:513
40922490,0sleep20-21swapper/221:31:442
282402490,0sleep00-21swapper/022:20:000
231962490,0sleep10-21swapper/121:46:041
195572490,0sleep10-21swapper/121:11:201
65092480,0sleep00-21swapper/023:41:190
232102480,0sleep20-21swapper/222:13:292
212312480,0sleep10-21swapper/121:36:551
122172480,0sleep00-21swapper/022:42:460
322652470,0sleep20-21swapper/223:30:512
265902470,0sleep10-21swapper/122:53:241
14962460,0sleep00-21swapper/022:11:230
321972450,2sleep32340999cyclictest21:59:083
261242440,0sleep0111rcuc/021:58:320
206202350,2sleep02338999cyclictest23:49:040
151942310,1sleep233-21ksoftirqd/222:06:352
231322276,7sleep30-21swapper/319:08:093
2297122413,7sleep20-21swapper/219:06:132
2318922210,7sleep00-21swapper/019:08:550
62202210,0sleep16219-21sshd00:37:311
2307122110,7sleep10-21swapper/119:07:241
114342210,0sleep20-21swapper/222:51:532
198172190,1sleep219816-21grep21:39:532
58912180,0sleep10-21swapper/121:23:051
196742180,0sleep20-21swapper/223:48:582
38942170,0sleep20-21swapper/223:53:422
30742170,0sleep20-21swapper/222:38:562
30742170,0sleep20-21swapper/222:38:562
15672170,0sleep20-21swapper/222:20:262
316972160,1sleep131694-21bash00:33:461
268552160,0sleep00-21swapper/000:11:310
243142160,0sleep324306-21bash23:09:373
222992160,0sleep00-21swapper/023:39:460
150132160,1sleep015010-21sshd23:15:350
14362150,0sleep10-21swapper/122:20:251
68852140,0sleep10-21swapper/100:00:141
23396991412,1cyclictest649-21polkitd22:13:161
2339699140,1cyclictest26645-21sshd22:38:061
2339699140,1cyclictest26645-21sshd22:38:061
186482140,0sleep20-21swapper/223:55:102
128662140,0sleep30-21swapper/322:27:403
268622130,0sleep30-21swapper/300:17:423
23409991311,1cyclictest674-21dbus-daemon00:28:443
2340999130,1cyclictest29979-21gdbus22:03:553
2340999130,11cyclictest24362-21grep19:10:153
23401991312,0cyclictest1002-21snmpd20:11:112
2339699130,12cyclictest0-21swapper/123:21:361
23389991311,1cyclictest642-21systemd-logind22:49:500
23389991311,1cyclictest1-21systemd22:06:400
118202130,0sleep10-21swapper/122:27:341
23409991211,0cyclictest0-21swapper/321:20:253
23409991210,1cyclictest674-21dbus-daemon21:32:153
23409991210,1cyclictest25208-21lspci23:13:153
23409991210,1cyclictest25208-21lspci23:13:143
23409991210,1cyclictest1181-21lspci22:57:153
2340999120,1cyclictest0-21swapper/322:42:153
2340999120,11cyclictest0-21swapper/300:38:253
23401991211,0cyclictest28520-21lspci00:14:512
23401991211,0cyclictest24694-21lspci21:21:012
23401991211,0cyclictest0-21swapper/221:46:312
23401991210,1cyclictest25454-21sshd21:12:112
23401991210,1cyclictest0-21swapper/221:44:012
2340199120,1cyclictest18452-21sshd23:22:522
2340199120,1cyclictest16462-21hddtemp_smartct22:40:122
2340199120,11cyclictest0-21swapper/223:18:522
23396991210,1cyclictest18971-21sshd23:45:361
2339699120,11cyclictest3307-21bash23:37:461
23389991211,0cyclictest0-21swapper/022:02:100
23389991210,1cyclictest0-21swapper/023:25:290
233322120,0sleep30-21swapper/320:25:173
215412120,1sleep121534-21sshd23:26:251
182362120,0sleep2311rcuc/200:35:322
2340999119,1cyclictest7874-21sshd21:38:453
23409991110,0cyclictest0-21swapper/322:53:153
2340999110,10cyclictest6686-21lspci21:41:353
2340999110,10cyclictest0-21swapper/322:21:053
2340999110,0cyclictest75750irq/24-eno1-rx-00:14:053
2340199119,1cyclictest33-21ksoftirqd/222:00:012
23401991111,0cyclictest527-40kipmi023:35:412
2340199110,10cyclictest29351-21kworker/2:223:28:492
2340199110,10cyclictest0-21swapper/200:19:522
23396991110,0cyclictest0-21swapper/122:31:351
2339699110,10cyclictest0-21swapper/100:07:061
2338999110,10cyclictest0-21swapper/022:32:200
2338999110,10cyclictest0-21swapper/000:01:100
2340999109,0cyclictest0-21swapper/323:01:153
2340999108,1cyclictest986-21sshd22:17:243
2340999108,1cyclictest27481-21bash22:32:053
2340999100,9cyclictest0-21swapper/320:53:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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