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2026-04-27 - 04:59
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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 Apr 27, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36112970,0sleep13610-21bash22:56:211
91602790,0sleep00-21swapper/023:55:110
257982580,0sleep00-21swapper/000:07:360
26902570,0sleep30-21swapper/323:46:173
239162570,1sleep0111rcuc/022:58:080
125912540,1sleep012574-21bash22:40:260
2151325335,7sleep20-21swapper/219:06:132
184442530,0sleep20-21swapper/222:35:222
158372520,0sleep10-21swapper/121:42:311
189512510,0sleep30-21swapper/321:59:263
177752510,0sleep00-21swapper/022:15:540
176902510,0sleep30-21swapper/300:26:133
171642510,0sleep10-21swapper/121:19:041
16122510,0sleep00-21swapper/000:35:530
23032500,1sleep22300-21lspci22:00:432
204322490,0sleep20-21swapper/221:54:022
91252480,0sleep10-21swapper/122:09:431
60142480,0sleep10-21swapper/100:08:411
76612470,0sleep00-21swapper/023:27:190
2174724534,6sleep30-21swapper/319:09:063
66472440,0sleep00-21swapper/023:54:590
268892420,2sleep32194599cyclictest21:43:283
2152624130,7sleep00-21swapper/019:06:230
116882410,0sleep20-21swapper/221:22:182
69362390,0sleep30-21swapper/322:01:083
11062370,0sleep30-21swapper/320:55:163
165692360,0sleep22194199cyclictest00:28:582
319732350,2sleep32194599cyclictest00:30:153
217452319,7sleep10-21swapper/119:09:041
14202300,0sleep30-21swapper/321:52:223
294982190,0sleep20-21swapper/200:38:192
215012170,0sleep10-21swapper/121:31:211
105872170,1sleep210586-21/usr/sbin/munin21:10:162
21928991616,0cyclictest527-40kipmi023:10:480
302442150,0sleep20-21swapper/223:59:462
279372150,0sleep30-21swapper/322:39:043
255132150,0sleep10-21swapper/100:24:121
306412140,0sleep20-21swapper/221:16:402
304052140,0sleep30-21swapper/322:42:013
263172140,0sleep10-21swapper/122:33:221
240712140,0sleep20-21swapper/200:18:312
186052140,0sleep20-21swapper/222:21:322
173322140,1sleep317311-21rm00:12:253
102512140,0sleep00-21swapper/021:50:190
72882130,0sleep30-21swapper/323:13:243
21945991311,1cyclictest674-21dbus-daemon00:04:463
2194199130,1cyclictest649-21polkitd23:06:052
2194199130,11cyclictest24598-21sshd22:47:042
21935991313,0cyclictest527-40kipmi019:35:081
21935991311,1cyclictest13682-21sshd23:41:411
21928991312,0cyclictest929-21lspci22:31:080
21928991311,1cyclictest8683-21lspci22:51:130
21928991311,1cyclictest674-21dbus-daemon23:16:160
158912130,0sleep015855-21sshd23:41:530
134472130,0sleep00-21swapper/020:05:160
111522130,0sleep00-21swapper/000:25:390
81822120,0sleep38169-21sshd23:55:063
282122120,0sleep00-21swapper/022:22:230
24342120,1sleep0111rcuc/021:21:060
21945991210,1cyclictest28787-21sshd23:51:163
21945991210,1cyclictest20893-21bash22:10:373
2194599120,11cyclictest29054-21sshd22:08:363
21941991210,1cyclictest674-21dbus-daemon22:52:152
21941991210,1cyclictest29051-21lspci22:58:352
2194199120,1cyclictest0-21swapper/221:37:452
2193599122,1cyclictest25-21ksoftirqd/122:46:321
2193599120,1cyclictest0-21swapper/122:50:221
2192899125,3cyclictest9-21ksoftirqd/022:00:170
21928991210,1cyclictest649-21polkitd22:45:070
2192899120,1cyclictest1-21systemd22:12:360
2194599110,10cyclictest0-21swapper/323:18:173
2194599110,0cyclictest0-21swapper/321:13:073
2194199119,1cyclictest19627-21lspci00:07:052
21941991110,0cyclictest0-21swapper/223:52:242
21941991110,0cyclictest0-21swapper/223:15:552
21941991110,0cyclictest0-21swapper/222:33:352
2194199110,10cyclictest0-21swapper/219:47:342
2194199110,0cyclictest0-21swapper/222:12:342
2193599119,1cyclictest25-21ksoftirqd/100:28:371
2193599116,1cyclictest25-21ksoftirqd/123:34:531
2193599114,1cyclictest25-21ksoftirqd/123:18:471
2193599113,2cyclictest25-21ksoftirqd/121:10:221
2193599113,1cyclictest25-21ksoftirqd/122:20:171
2193599113,1cyclictest25-21ksoftirqd/121:35:321
2193599111,1cyclictest642-21systemd-logind22:35:341
2193599111,1cyclictest25-21ksoftirqd/123:57:291
2193599111,1cyclictest25-21ksoftirqd/121:25:581
2193599111,1cyclictest25-21ksoftirqd/100:38:211
21935991110,0cyclictest21823-21kworker/1:219:26:261
21935991110,0cyclictest0-21swapper/122:42:021
2193599110,10cyclictest0-21swapper/121:53:521
2193599110,10cyclictest0-21swapper/121:20:021
2193599110,0cyclictest0-21swapper/122:00:421
2193599110,0cyclictest0-21swapper/100:34:411
21928991110,1cyclictest2466-21kworker/0:122:29:160
21928991110,0cyclictest7201-21lspci00:30:500
2192899110,1cyclictest14350-21sshd23:02:510
2192899110,10cyclictest0-21swapper/021:35:270
2192899110,10cyclictest0-21swapper/000:17:270
2194599109,0cyclictest0-21swapper/323:42:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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