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2026-01-02 - 02:54
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Fri Jan 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319942940,0sleep331977-21sshd22:26:563
18262730,0sleep30-21swapper/323:38:433
81902570,0sleep20-21swapper/222:11:222
279492560,0sleep00-21swapper/000:00:370
311472550,1sleep131139-21sshd23:52:301
246762550,0sleep3401ktimersoftd/323:29:213
174042550,0sleep00-21swapper/023:31:310
44472520,0sleep10-21swapper/123:24:421
33952520,0sleep00-21swapper/023:27:250
208492520,0sleep00-21swapper/000:31:190
145462510,0sleep00-21swapper/023:19:530
138282510,0sleep10-21swapper/121:39:331
230422500,0sleep20-21swapper/222:02:092
105812500,0sleep00-21swapper/023:50:400
76382490,0sleep30-21swapper/322:04:053
168342490,0sleep016719-21sshd22:42:520
101052490,0sleep00-21swapper/022:27:540
16942480,0sleep20-21swapper/221:56:082
46702470,0sleep30-21swapper/323:44:393
139682430,2sleep11798699cyclictest23:14:041
63142350,2sleep11798699cyclictest22:50:301
63142350,2sleep11798699cyclictest22:50:291
1750923321,7sleep30-21swapper/319:05:353
177932287,6sleep20-21swapper/219:09:072
177552287,7sleep10-21swapper/119:08:371
177662275,7sleep00-21swapper/019:08:440
182952210,1sleep2674-21dbus-daemon00:02:402
99712200,1sleep29969-21sshd00:30:202
17987991919,0cyclictest527-40kipmi023:34:152
91632180,0sleep00-21swapper/023:07:560
91632180,0sleep00-21swapper/023:07:550
178142180,1sleep017810-21lspci22:51:330
178142180,1sleep017810-21lspci22:51:320
64052170,1sleep0699-21gdbus23:44:480
28582170,0sleep10-21swapper/123:01:391
317712160,1sleep30-21swapper/323:21:193
189092160,2sleep11798699cyclictest00:31:081
152922160,0sleep10-21swapper/100:22:181
76662150,0sleep00-21swapper/023:47:400
303552150,0sleep20-21swapper/200:15:062
273642150,0sleep10-21swapper/121:25:181
269992150,1sleep0111rcuc/000:20:250
151782150,0sleep315175-21lspci22:42:423
188202140,1sleep118802-21sshd00:14:041
1798899145,1cyclictest41-21ksoftirqd/322:57:363
1798899141,2cyclictest41-21ksoftirqd/322:31:083
1798899141,1cyclictest41-21ksoftirqd/322:47:073
17987991412,1cyclictest19443-21lspci00:36:522
17987991412,1cyclictest19443-21lspci00:36:512
83492130,0sleep20-21swapper/223:56:072
51042130,1sleep2642-21systemd-logind23:50:152
325792130,1sleep332577-21lspci00:38:023
325792130,1sleep332577-21lspci00:38:013
304562130,0sleep10-21swapper/122:06:351
1798899135,2cyclictest41-21ksoftirqd/300:16:513
1798899135,1cyclictest41-21ksoftirqd/300:01:103
1798899132,1cyclictest41-21ksoftirqd/323:56:553
1798899131,4cyclictest41-21ksoftirqd/323:05:373
1798899131,4cyclictest41-21ksoftirqd/323:05:363
17987991312,0cyclictest19086-21lspci23:23:062
17987991312,0cyclictest13866-21lspci22:19:232
109722130,2sleep31798899cyclictest22:50:553
109722130,2sleep31798899cyclictest22:50:553
80222120,0sleep10-21swapper/122:11:211
215602120,0sleep021552-21bash22:01:590
1798899128,2cyclictest14597-21sshd23:02:423
1798899125,3cyclictest41-21ksoftirqd/321:40:393
1798899124,4cyclictest660-21avahi-daemon23:32:273
1798899123,4cyclictest41-21ksoftirqd/300:23:383
1798899123,3cyclictest41-21ksoftirqd/323:48:443
1798899123,3cyclictest41-21ksoftirqd/322:36:003
1798899123,3cyclictest41-21ksoftirqd/322:20:493
1798899123,3cyclictest41-21ksoftirqd/322:15:103
1798899123,3cyclictest41-21ksoftirqd/300:26:553
1798899123,1cyclictest41-21ksoftirqd/300:30:293
1798899122,2cyclictest41-21ksoftirqd/323:15:583
1798899121,3cyclictest41-21ksoftirqd/323:12:333
1798899121,1cyclictest41-21ksoftirqd/321:25:123
1798899120,2cyclictest0-21swapper/323:51:313
17987991211,0cyclictest7439-21lspci23:39:122
17987991211,0cyclictest3208-21lspci22:35:522
17987991211,0cyclictest21563-21lspci22:51:542
17987991211,0cyclictest21563-21lspci22:51:532
17987991211,0cyclictest14693-21lspci21:28:512
17987991210,1cyclictest0-21swapper/223:06:022
17987991210,1cyclictest0-21swapper/223:06:022
1798699121,1cyclictest5836-21sshd21:53:011
17978991210,1cyclictest642-21systemd-logind23:57:220
1797899120,1cyclictest12929-21sshd22:15:320
1797899120,11cyclictest0-21swapper/000:18:410
1798899114,1cyclictest41-21ksoftirqd/322:14:143
1798899114,1cyclictest41-21ksoftirqd/321:51:153
1798899113,1cyclictest41-21ksoftirqd/321:55:233
1798899112,3cyclictest41-21ksoftirqd/322:07:203
1798899112,3cyclictest41-21ksoftirqd/321:17:163
1798899112,1cyclictest41-21ksoftirqd/321:20:193
1798899110,2cyclictest41-21ksoftirqd/321:10:053
1798899110,2cyclictest41-21ksoftirqd/300:12:023
1798799119,1cyclictest33-21ksoftirqd/221:35:152
1798799119,1cyclictest24756-21seq20:44:412
1798799119,1cyclictest22224-21sshd21:40:212
1798799113,1cyclictest33-21ksoftirqd/222:41:332
1798799111,3cyclictest16905-21kworker/2:022:28:222
1798799110,10cyclictest24424-21sshd21:13:412
1798799110,10cyclictest0-21swapper/223:48:512
1798799110,10cyclictest0-21swapper/221:23:122
1798799110,10cyclictest0-21swapper/220:30:412
1798799110,0cyclictest0-21swapper/222:59:022
1798699110,10cyclictest0-21swapper/123:18:121
17978991110,0cyclictest0-21swapper/000:12:510
1797899110,1cyclictest4663-21lspci00:35:310
1797899110,1cyclictest4663-21lspci00:35:310
1797899110,10cyclictest0-21swapper/022:34:310
1798899103,3cyclictest41-21ksoftirqd/300:05:183
1798899103,1cyclictest41-21ksoftirqd/321:30:153
1798899102,1cyclictest41-21ksoftirqd/321:37:133
1798899100,0cyclictest0-21swapper/321:45:223
1798799109,0cyclictest3682-21lspci23:41:412
1798799109,0cyclictest0-21swapper/223:26:522
1798799109,0cyclictest0-21swapper/223:17:522
1798799109,0cyclictest0-21swapper/223:13:412
1798799109,0cyclictest0-21swapper/222:46:522
1798799109,0cyclictest0-21swapper/222:24:322
1798799109,0cyclictest0-21swapper/220:58:322
1798799108,1cyclictest33-21ksoftirqd/222:30:402
1798799101,1cyclictest131rcu_sched21:47:172
1798799100,1cyclictest8029-21sshd00:21:382
1798799100,0cyclictest0-21swapper/220:49:312
1798799100,0cyclictest0-21swapper/200:26:012
1798699108,1cyclictest0-21swapper/100:38:411
1798699108,1cyclictest0-21swapper/100:38:411
1798699100,0cyclictest0-21swapper/121:30:211
1797899109,0cyclictest0-21swapper/023:35:210
1797899109,0cyclictest0-21swapper/021:33:310
1797899109,0cyclictest0-21swapper/021:20:520
1797899100,0cyclictest0-21swapper/023:04:310
1797899100,0cyclictest0-21swapper/021:38:220
27429292,1sleep0674-21dbus-daemon00:29:060
2017292,5sleep02185-21lspci23:24:300
179889993,3cyclictest41-21ksoftirqd/319:50:003
179889993,1cyclictest41-21ksoftirqd/319:20:003
179879998,0cyclictest25541-21lspci23:03:412
179879998,0cyclictest0-21swapper/222:05:012
179879998,0cyclictest0-21swapper/221:30:022
179879998,0cyclictest0-21swapper/220:14:302
179879998,0cyclictest0-21swapper/219:35:312
179879997,1cyclictest23697-21sshd00:08:522
179879996,2cyclictest622-13audispd00:12:152
179869996,2cyclictest660-21avahi-daemon22:35:581
179869990,8cyclictest0-21swapper/100:15:321
179869990,1cyclictest0-21swapper/122:29:301
179789998,0cyclictest0-21swapper/021:12:420
15826290,0sleep1241ktimersoftd/100:28:021
11780290,0sleep00-21swapper/022:08:110
179889986,1cyclictest41-21ksoftirqd/320:10:013
179879987,0cyclictest0-21swapper/219:58:402
179879986,1cyclictest33-21ksoftirqd/221:54:472
179869987,0cyclictest0-21swapper/123:30:121
179869986,1cyclictest7155-21lspci23:58:541
179869986,1cyclictest26131-21lspci22:20:371
179869986,1cyclictest19566-21lspci23:45:511
179869986,1cyclictest10880-21bash00:07:421
179869985,2cyclictest699-21gdbus21:55:571
179869985,2cyclictest660-21avahi-daemon23:25:491
179869985,2cyclictest660-21avahi-daemon22:33:011
179869984,3cyclictest660-21avahi-daemon21:40:371
179869980,5cyclictest26972-21gltestperf23:35:131
179869980,1cyclictest0-21swapper/122:55:111
179789987,0cyclictest0-21swapper/021:57:210
179789987,0cyclictest0-21swapper/000:07:220
179789986,1cyclictest9590-21lspci22:45:080
179789986,1cyclictest7400-21bash21:53:120
179789986,1cyclictest2710-21lspci22:14:300
179889976,0cyclictest41-21ksoftirqd/320:49:593
179879976,0cyclictest0-21swapper/220:00:302
179879976,0cyclictest0-21swapper/219:27:002
179879976,0cyclictest0-21swapper/219:16:202
179879976,0cyclictest0-21swapper/219:14:302
179879975,1cyclictest33-21ksoftirqd/221:15:182
179879970,6cyclictest0-21swapper/219:49:102
179879970,0cyclictest0-21swapper/220:39:302
179869974,2cyclictest674-21dbus-daemon23:05:011
179869974,2cyclictest674-21dbus-daemon23:05:001
179869974,2cyclictest660-21avahi-daemon22:45:421
179869974,2cyclictest660-21avahi-daemon21:48:101
179869974,1cyclictest26412-21sshd23:40:491
179869973,3cyclictest18069-21sshd22:40:081
179869973,1cyclictest0-21swapper/121:23:311
179869972,4cyclictest0-21swapper/122:03:231
179869972,2cyclictest27367-21sshd00:00:341
179869970,2cyclictest699-21gdbus22:17:071
179869970,1cyclictest0-21swapper/121:13:041
179789975,1cyclictest699-21gdbus21:45:530
179789975,1cyclictest660-21avahi-daemon22:36:190
179789975,1cyclictest660-21avahi-daemon19:40:010
179789975,1cyclictest649-21polkitd23:10:380
179789975,1cyclictest29909-21sshd22:55:280
179789975,1cyclictest1859-21lspci22:21:210
179789974,2cyclictest674-21dbus-daemon21:40:430
179789974,2cyclictest649-21polkitd21:25:150
179889965,0cyclictest41-21ksoftirqd/321:10:013
179889965,0cyclictest41-21ksoftirqd/320:00:003
179889964,1cyclictest41-21ksoftirqd/320:14:593
179889963,2cyclictest1002-21snmpd20:20:003
179889961,1cyclictest41-21ksoftirqd/321:00:003
179889961,1cyclictest41-21ksoftirqd/319:40:163
179889961,1cyclictest41-21ksoftirqd/319:40:153
179889960,5cyclictest0-21swapper/320:28:313
179889960,2cyclictest0-21swapper/320:44:553
179879963,2cyclictest1002-21snmpd20:28:172
179879963,2cyclictest1002-21snmpd19:51:292
179879963,2cyclictest1002-21snmpd19:24:462
179869965,1cyclictest6453-21kworker/1:120:03:391
179869965,1cyclictest15512-21kworker/1:119:16:391
179869963,2cyclictest1002-21snmpd19:58:451
179869962,3cyclictest1-21systemd21:15:081
179869960,5cyclictest0-21swapper/120:09:411
179789965,0cyclictest0-21swapper/020:05:120
179789965,0cyclictest0-21swapper/019:40:020
179789965,0cyclictest0-21swapper/019:40:010
179789963,2cyclictest907-21gltestperf19:45:150
179789963,2cyclictest1002-21snmpd20:03:440
179789962,3cyclictest314-21sshd21:15:090
179789960,5cyclictest0-21swapper/020:55:420
179789960,5cyclictest0-21swapper/020:10:020
179889954,0cyclictest0-21swapper/319:31:413
179889953,1cyclictest29969-21open_files20:55:183
179889953,1cyclictest25152-21sed19:25:123
179889953,1cyclictest23274-21cat19:20:143
179889953,1cyclictest19425-21cat20:30:183
179889953,1cyclictest1705-21sendmail20:50:113
179889953,1cyclictest1002-21snmpd19:50:143
179889953,1cyclictest1002-21snmpd19:37:433
179889951,2cyclictest41-21ksoftirqd/320:34:593
179889950,0cyclictest121rcu_preempt20:00:593
179879954,0cyclictest0-21swapper/220:24:402
179879953,1cyclictest27299-21cat19:30:132
179879953,1cyclictest1002-21snmpd21:06:102
179879953,1cyclictest1002-21snmpd20:51:122
179879953,1cyclictest1002-21snmpd20:15:032
179879953,1cyclictest1002-21snmpd20:05:332
179879952,2cyclictest1002-21snmpd21:02:062
179869955,0cyclictest30926-21kworker/1:121:05:011
179869955,0cyclictest30664-21kworker/1:019:40:141
179869955,0cyclictest30664-21kworker/1:019:40:131
179869955,0cyclictest2386-21kworker/1:219:51:351
179869955,0cyclictest22743-21kworker/1:020:55:181
179869955,0cyclictest22743-21kworker/1:020:50:211
179869955,0cyclictest22743-21kworker/1:020:40:151
179869955,0cyclictest18676-21kworker/1:120:35:051
179869955,0cyclictest15512-21kworker/1:119:35:021
179869955,0cyclictest15512-21kworker/1:119:20:161
179869955,0cyclictest15512-21kworker/1:119:11:141
179869955,0cyclictest14840-21kworker/1:220:20:181
179869955,0cyclictest10577-21kworker/1:020:15:171
179869954,1cyclictest10577-21kworker/1:020:10:151
179869954,0cyclictest0-21swapper/119:30:201
179869953,1cyclictest31472-21gltestperf21:00:161
179869953,1cyclictest1538-21proc_pri19:45:191
179869953,1cyclictest1002-21snmpd20:46:461
179869953,1cyclictest1002-21snmpd20:30:331
179869953,1cyclictest1002-21snmpd20:25:021
179869950,1cyclictest25680-21ntp_states19:25:161
179789953,1cyclictest6064-21users19:55:220
179789953,1cyclictest25516-21cat20:45:140
179789953,1cyclictest23045-21cpuspeed_turbos20:40:100
179789953,1cyclictest1082-21lldpd19:11:490
179789953,1cyclictest1002-21snmpd20:37:100
179789953,1cyclictest1002-21snmpd20:30:030
179789953,1cyclictest1002-21snmpd20:15:230
179789953,1cyclictest1002-21snmpd19:25:030
179789953,1cyclictest1002-21snmpd19:22:580
179789953,1cyclictest1002-21snmpd19:17:510
179789952,2cyclictest29979-21gdbus21:00:010
179789952,2cyclictest27189-21tail19:30:120
179789952,2cyclictest1002-21snmpd21:09:340
179789952,2cyclictest1002-21snmpd20:50:330
179789952,2cyclictest1002-21snmpd20:22:270
179889942,1cyclictest18237-21wc19:10:113
179889942,1cyclictest0-21swapper/320:20:143
179879942,1cyclictest0-21swapper/219:40:122
179879942,1cyclictest0-21swapper/219:40:112
179789942,1cyclictest2712-21cpuspeed_turbos19:50:120
179789942,1cyclictest17150-21sh20:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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