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2026-04-27 - 03:06
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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 all 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
2194599109,0cyclictest0-21swapper/322:58:363
2194599109,0cyclictest0-21swapper/321:25:073
2194199109,0cyclictest0-21swapper/200:33:042
2194199108,1cyclictest10740-21sshd00:22:552
2194199100,9cyclictest0-21swapper/219:53:352
2194199100,0cyclictest0-21swapper/223:42:452
2194199100,0cyclictest0-21swapper/222:41:552
2193599108,1cyclictest25-21ksoftirqd/100:17:361
2193599108,1cyclictest15722-21lspci23:08:331
2193599107,1cyclictest25-21ksoftirqd/122:10:201
2193599106,1cyclictest25-21ksoftirqd/123:02:231
2193599103,1cyclictest25-21ksoftirqd/123:27:261
2193599103,1cyclictest25-21ksoftirqd/122:26:571
2193599103,1cyclictest25-21ksoftirqd/121:46:141
2193599101,1cyclictest9229-21tty21:55:451
2193599101,1cyclictest25-21ksoftirqd/123:45:191
2193599101,1cyclictest25-21ksoftirqd/100:01:521
2193599101,1cyclictest131rcu_sched23:35:411
2193599100,9cyclictest21059-21kworker/1:323:24:121
2193599100,1cyclictest25-21ksoftirqd/123:11:471
2193599100,1cyclictest25-21ksoftirqd/100:13:131
2193599100,0cyclictest0-21swapper/123:51:211
2193599100,0cyclictest0-21swapper/122:17:521
2192899109,0cyclictest32550irq/27-ahci[00021:59:170
2192899109,0cyclictest26972-21lspci21:12:190
2192899109,0cyclictest0-21swapper/021:27:570
2192899108,1cyclictest9-21ksoftirqd/023:45:540
2192899100,0cyclictest0-21swapper/021:40:570
9087290,0sleep00-21swapper/023:21:550
219459998,0cyclictest0-21swapper/323:01:473
219459998,0cyclictest0-21swapper/322:47:063
219459998,0cyclictest0-21swapper/321:45:173
219459998,0cyclictest0-21swapper/321:38:573
219419998,0cyclictest0-21swapper/223:45:052
219419998,0cyclictest0-21swapper/223:14:442
219419998,0cyclictest0-21swapper/221:56:342
219419998,0cyclictest0-21swapper/221:48:552
219419997,1cyclictest0-21swapper/223:29:342
219419997,1cyclictest0-21swapper/222:26:052
219359998,0cyclictest0-21swapper/120:55:021
219289998,0cyclictest3081-21lspci23:35:140
219289998,0cyclictest0-21swapper/021:31:060
219289998,0cyclictest0-21swapper/000:10:070
219289996,1cyclictest9-21ksoftirqd/023:07:540
219289991,1cyclictest131rcu_sched22:39:550
219289990,5cyclictest642-21systemd-logind20:00:000
219289990,1cyclictest649-21polkitd00:01:210
219289990,1cyclictest131rcu_sched23:30:430
219459987,0cyclictest0-21swapper/300:38:473
219459986,1cyclictest663-21ModemManager22:19:453
219459986,1cyclictest663-21ModemManager00:15:173
219459985,2cyclictest660-21avahi-daemon23:31:433
219459985,2cyclictest660-21avahi-daemon23:07:553
219459985,2cyclictest660-21avahi-daemon22:23:343
219459985,2cyclictest26063-21sshd22:50:013
219459985,2cyclictest1-21systemd22:25:273
219459984,3cyclictest674-21dbus-daemon21:33:153
219459984,3cyclictest660-21avahi-daemon00:20:103
219459984,3cyclictest11467-21sshd22:32:043
219459984,1cyclictest7106-21sshd00:05:593
219419987,0cyclictest0-21swapper/223:01:442
219419987,0cyclictest0-21swapper/220:14:342
219419986,1cyclictest6697-21lspci22:06:402
219419986,1cyclictest660-21avahi-daemon22:16:282
219419986,1cyclictest3555-21lspci23:38:032
219419986,1cyclictest33-21ksoftirqd/221:33:452
219419986,1cyclictest31206-21lspci00:10:472
219419985,2cyclictest660-21avahi-daemon21:25:052
219419985,1cyclictest29731-21sshd00:02:252
219359987,0cyclictest0-21swapper/120:25:011
219359986,1cyclictest25-21ksoftirqd/121:09:591
219289987,0cyclictest0-21swapper/022:05:270
219289986,1cyclictest1-21systemd21:17:370
219289981,1cyclictest9-21ksoftirqd/021:47:180
219289980,1cyclictest131rcu_sched00:20:580
13460280,0sleep313463-21grep23:25:063
219459975,1cyclictest660-21avahi-daemon23:35:083
219459975,1cyclictest660-21avahi-daemon23:20:033
219459975,1cyclictest660-21avahi-daemon21:17:323
219459975,1cyclictest620-17auditd21:21:023
219459974,2cyclictest674-21dbus-daemon19:30:003
219419976,0cyclictest0-21swapper/219:59:352
219419976,0cyclictest0-21swapper/219:15:152
219419975,1cyclictest33-21ksoftirqd/221:40:162
219419974,2cyclictest660-21avahi-daemon23:30:052
219419974,1cyclictest674-21dbus-daemon20:50:002
219419970,6cyclictest22117-21sshd23:20:162
219359975,1cyclictest25-21ksoftirqd/119:15:001
219289977,0cyclictest26727-21kworker/0:020:56:000
219289975,1cyclictest9-21ksoftirqd/019:20:000
219459964,1cyclictest1002-21snmpd21:05:593
219459963,2cyclictest1002-21snmpd20:51:133
219459963,2cyclictest1002-21snmpd20:28:463
219459963,2cyclictest1002-21snmpd20:13:273
219459963,2cyclictest1002-21snmpd20:01:343
219459963,2cyclictest1002-21snmpd19:47:033
219419964,1cyclictest674-21dbus-daemon19:25:012
219419964,1cyclictest649-21polkitd20:44:592
219419963,2cyclictest1002-21snmpd19:14:202
219359965,0cyclictest0-21swapper/120:50:321
219359964,1cyclictest25-21ksoftirqd/120:44:591
219359964,1cyclictest25-21ksoftirqd/120:04:591
219359964,1cyclictest25-21ksoftirqd/119:40:011
219359964,1cyclictest25-21ksoftirqd/119:15:011
219359963,2cyclictest4556-21kworker/1:119:52:561
219359963,2cyclictest1002-21snmpd21:03:411
219359963,2cyclictest1002-21snmpd20:18:401
219359963,2cyclictest1002-21snmpd20:08:251
219289964,1cyclictest674-21dbus-daemon19:55:000
219289964,1cyclictest649-21polkitd21:09:420
219289963,2cyclictest1002-21snmpd20:38:530
219289963,2cyclictest1002-21snmpd19:49:520
3602250,0sleep30-21swapper/319:40:213
219459953,1cyclictest7066-21cat19:50:153
219459953,1cyclictest29507-21cat20:45:143
219459953,1cyclictest25196-21cat19:15:153
219459953,1cyclictest22589-21mii-tool19:10:123
219459953,1cyclictest1705-21sendmail20:15:343
219459953,1cyclictest1082-21lldpd19:35:243
219459953,1cyclictest1002-21snmpd21:00:403
219459953,1cyclictest1002-21snmpd20:41:053
219459953,1cyclictest1002-21snmpd20:38:073
219459953,1cyclictest1002-21snmpd20:21:193
219459953,1cyclictest1002-21snmpd19:57:033
219459952,2cyclictest674-21dbus-daemon20:30:003
219459952,2cyclictest32469-21chrt19:33:193
219459952,2cyclictest32469-21chrt19:33:183
219459952,2cyclictest27081-21gltestperf19:20:143
219459952,2cyclictest1002-21snmpd20:05:523
219419953,1cyclictest5278-21cat21:05:132
219419953,1cyclictest24702-21crond20:35:002
219419953,1cyclictest19673-21ntpdc20:20:172
219419953,1cyclictest1002-21snmpd20:58:112
219419953,1cyclictest1002-21snmpd20:52:012
219419953,1cyclictest1002-21snmpd20:35:322
219419953,1cyclictest1002-21snmpd20:28:042
219419953,1cyclictest1002-21snmpd20:07:012
219419953,1cyclictest1002-21snmpd20:00:392
219419953,1cyclictest1002-21snmpd19:44:372
219419953,1cyclictest1002-21snmpd19:32:182
219419953,1cyclictest1002-21snmpd19:32:182
219419953,1cyclictest1002-21snmpd19:26:502
219419952,2cyclictest16784-21chrt20:15:032
219419950,0cyclictest0-21swapper/221:04:152
219359955,0cyclictest8396-21kworker/1:220:31:021
219359955,0cyclictest4556-21kworker/1:119:47:011
219359955,0cyclictest21823-21kworker/1:219:20:361
219359953,1cyclictest660-21avahi-daemon19:30:221
219359953,1cyclictest660-21avahi-daemon19:30:221
219359953,1cyclictest646-21lsmd20:45:301
219359953,1cyclictest25867-21pmu-power20:35:171
219359953,1cyclictest1002-21snmpd20:20:011
219359953,1cyclictest1002-21snmpd19:55:401
219359952,1cyclictest25-21ksoftirqd/120:10:001
219289953,1cyclictest674-21dbus-daemon19:30:010
219289953,1cyclictest674-21dbus-daemon19:30:010
219289953,1cyclictest21361-21cat20:25:140
219289953,1cyclictest19157-21grep20:20:140
219289953,1cyclictest17286-21cat20:15:130
219289953,1cyclictest1002-21snmpd21:00:200
219289953,1cyclictest1002-21snmpd20:50:290
219289953,1cyclictest1002-21snmpd20:30:230
219289953,1cyclictest1002-21snmpd20:02:360
219289953,1cyclictest1002-21snmpd19:38:540
219289953,1cyclictest1002-21snmpd19:25:060
219289953,1cyclictest1002-21snmpd19:10:420
219289952,2cyclictest1002-21snmpd20:46:230
219289952,2cyclictest1002-21snmpd19:40:460
219289950,0cyclictest0-21swapper/019:20:070
1031250,0sleep20-21swapper/219:35:152
219289944,0cyclictest26727-21kworker/0:020:40:440
219289942,1cyclictest0-21swapper/020:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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