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2026-03-18 - 01:51
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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 highest latencies:
System rack2slot0.osadl.org (updated Wed Mar 18, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112862930,0sleep20-21swapper/200:17:232
49232720,2sleep03164799cyclictest22:43:530
31482590,0sleep30-21swapper/322:35:273
104572590,1sleep010454-21sshd23:58:100
250442570,1sleep025046-21bash22:53:470
256632560,0sleep20-21swapper/222:26:292
201962560,0sleep30-21swapper/323:56:133
95112540,0sleep00-21swapper/022:55:100
318432540,1sleep122459-21kworker/1:100:16:221
233592540,0sleep3391rcuc/300:04:473
233592540,0sleep3391rcuc/300:04:463
276402530,0sleep10-21swapper/121:33:221
24892530,1sleep3391rcuc/300:30:183
282562520,0sleep30-21swapper/323:40:273
266082520,0sleep10-21swapper/100:35:091
99562510,0sleep30-21swapper/322:09:243
85022500,0sleep18504-21gltestperf23:25:121
75482490,1sleep37550-21bash21:14:003
207182490,0sleep20-21swapper/222:56:042
108162490,0sleep2311rcuc/223:00:422
45812480,0sleep20-21swapper/200:03:102
45812480,0sleep20-21swapper/200:03:092
298112480,0sleep129814-21bash21:17:481
273602480,1sleep227363-21sshd21:36:422
226672480,0sleep00-21swapper/021:16:310
218462470,0sleep30-21swapper/323:09:553
77282430,0sleep30-21swapper/300:08:553
76672390,0sleep30-21swapper/321:19:383
66992350,0sleep2321ktimersoftd/221:41:242
83722340,0sleep10-21swapper/121:58:531
312882308,7sleep30-21swapper/319:07:013
312332297,7sleep10-21swapper/119:06:351
193962260,1sleep00-21swapper/000:18:050
3123922210,7sleep20-21swapper/219:06:402
3118822110,7sleep00-21swapper/019:06:020
151292200,1sleep215128-21sshd00:06:462
291582190,1sleep329141-21cp00:16:083
17072180,0sleep10-21swapper/123:38:171
156612180,0sleep20-21swapper/221:52:452
51992170,1sleep2674-21dbus-daemon22:52:042
25212170,0sleep20-21swapper/223:41:022
274662160,0sleep20-21swapper/200:24:172
31651991515,0cyclictest11369-21kworker/1:119:17:261
193282150,0sleep30-21swapper/321:27:073
90462140,0sleep20-21swapper/222:35:582
89882140,1sleep09-21ksoftirqd/023:00:320
81802140,0sleep1241ktimersoftd/100:14:271
65972140,0sleep10-21swapper/122:35:461
31651991413,0cyclictest23487-21kworker/1:123:33:471
312862140,1sleep331285-21needreboot20:25:163
257942140,0sleep1241ktimersoftd/100:29:371
58192130,1sleep20-21swapper/221:34:302
4202130,1sleep0101ktimersoftd/023:51:510
3165299130,11cyclictest25182-21sshd21:46:492
3164799130,12cyclictest32574-21sshd00:24:420
312982130,0sleep20-21swapper/222:15:072
26682130,0sleep10-21swapper/122:32:451
81862120,0sleep30-21swapper/321:45:043
31657991210,1cyclictest1026-21sshd22:58:483
3165799120,1cyclictest16408-21sshd23:23:073
3165299120,11cyclictest1-21systemd23:20:092
3165299120,11cyclictest12156-21sshd00:12:002
31651991210,1cyclictest0-21swapper/122:08:351
3165199120,11cyclictest16303-21lspci22:10:041
31647991211,0cyclictest1002-21snmpd22:10:180
3164799120,11cyclictest0-21swapper/022:01:120
3164799120,11cyclictest0-21swapper/021:14:020
3165799110,10cyclictest0-21swapper/323:35:583
3165799110,10cyclictest0-21swapper/322:54:573
3165799110,10cyclictest0-21swapper/322:15:283
3165799110,0cyclictest0-21swapper/321:51:183
31652991110,0cyclictest0-21swapper/223:37:102
31652991110,0cyclictest0-21swapper/221:15:502
3165299110,0cyclictest0-21swapper/221:12:092
3165199119,1cyclictest1-21systemd22:51:241
3165199119,1cyclictest0-21swapper/123:23:241
3165199119,1cyclictest0-21swapper/121:51:341
31651991110,0cyclictest0-21swapper/100:24:141
31651991110,0cyclictest0-21swapper/100:05:241
3165199110,10cyclictest0-21swapper/122:59:041
31647991110,0cyclictest0-21swapper/000:10:030
31647991110,0cyclictest0-21swapper/000:01:230
31647991110,0cyclictest0-21swapper/000:01:220
3164799110,10cyclictest0-21swapper/023:42:030
3164799110,10cyclictest0-21swapper/023:30:420
3164799110,10cyclictest0-21swapper/023:19:230
3164799110,10cyclictest0-21swapper/023:08:220
3164799110,10cyclictest0-21swapper/022:26:020
3164799110,10cyclictest0-21swapper/021:51:220
3164799110,10cyclictest0-21swapper/000:35:130
3164799110,0cyclictest0-21swapper/022:21:330
3164799110,0cyclictest0-21swapper/021:21:420
159472110,1sleep3391rcuc/323:34:023
96582100,1sleep00-21swapper/022:38:490
3165799109,0cyclictest0-21swapper/321:55:273
3165799109,0cyclictest0-21swapper/321:44:083
3165799108,1cyclictest14306-21bash21:31:473
3165799100,0cyclictest0-21swapper/323:28:483
3165799100,0cyclictest0-21swapper/322:31:583
3165299109,0cyclictest0-21swapper/223:57:392
3165299109,0cyclictest0-21swapper/223:53:302
3165299109,0cyclictest0-21swapper/222:42:492
3165299109,0cyclictest0-21swapper/222:10:592
3165299109,0cyclictest0-21swapper/221:23:292
3165299100,0cyclictest0-21swapper/222:02:192
3165299100,0cyclictest0-21swapper/200:37:102
3165199109,0cyclictest0-21swapper/123:19:141
3165199109,0cyclictest0-21swapper/121:26:141
3165199109,0cyclictest0-21swapper/120:20:141
3165199108,1cyclictest11193-21sshd23:58:141
3165199100,9cyclictest0-21swapper/123:47:141
3165199100,9cyclictest0-21swapper/120:12:341
3165199100,0cyclictest0-21swapper/100:34:441
3164799109,0cyclictest0-21swapper/021:40:030
3164799109,0cyclictest0-21swapper/020:20:030
3164799108,1cyclictest21140-21sshd23:23:320
3164799100,9cyclictest0-21swapper/019:20:020
314992100,0sleep10-21swapper/121:44:071
4756290,1sleep00-21swapper/022:32:550
316579998,0cyclictest0-21swapper/321:39:573
316579998,0cyclictest0-21swapper/300:35:583
316579997,1cyclictest21660-21sshd00:20:583
316579996,2cyclictest660-21avahi-daemon22:21:173
316529998,0cyclictest0-21swapper/222:48:302
316529998,0cyclictest0-21swapper/221:27:302
316529997,1cyclictest22308-21sshd22:31:402
316529997,1cyclictest12624-21sshd23:11:502
316529996,2cyclictest674-21dbus-daemon23:32:172
316519998,1cyclictest7704-21kworker/1:223:11:261
316519998,0cyclictest0-21swapper/122:46:251
316519998,0cyclictest0-21swapper/121:22:141
316519997,1cyclictest29979-21gdbus23:05:341
316519997,1cyclictest24605-21sshd22:40:041
316519992,1cyclictest660-21avahi-daemon21:11:451
316519990,2cyclictest1095-21tuned22:20:041
316479998,0cyclictest0-21swapper/023:11:020
316479997,1cyclictest20703-21tty21:49:520
316479990,0cyclictest0-21swapper/019:51:330
316579987,0cyclictest0-21swapper/319:35:183
316579986,1cyclictest674-21dbus-daemon23:47:063
316579985,2cyclictest699-21gdbus00:27:493
316579985,2cyclictest674-21dbus-daemon00:11:403
316579985,2cyclictest660-21avahi-daemon23:50:173
316579985,2cyclictest660-21avahi-daemon23:19:563
316579985,2cyclictest660-21avahi-daemon23:10:593
316579985,2cyclictest660-21avahi-daemon23:00:093
316579985,2cyclictest660-21avahi-daemon22:44:183
316529987,0cyclictest0-21swapper/221:56:402
316529986,1cyclictest5688-21sshd00:25:102
316529986,1cyclictest27789-21lspci23:07:382
316529986,1cyclictest0-21swapper/223:46:392
316529985,2cyclictest660-21avahi-daemon23:16:402
316519986,1cyclictest25465-21lspci22:26:281
316519986,1cyclictest25-21ksoftirqd/123:42:061
316519984,3cyclictest660-21avahi-daemon22:00:061
316479987,1cyclictest4974-21lspci00:08:410
316479987,0cyclictest0-21swapper/023:37:520
316479987,0cyclictest0-21swapper/022:45:030
316479987,0cyclictest0-21swapper/022:17:020
316479986,1cyclictest9-21ksoftirqd/023:27:510
316479986,1cyclictest9-21ksoftirqd/000:29:080
316479986,1cyclictest493-21lspci22:08:220
316479986,1cyclictest12202-21lspci23:47:210
316479985,2cyclictest699-21gdbus21:58:350
19785280,0sleep30-21swapper/322:25:583
16853280,1sleep017047-21sshd00:31:320
1651280,0sleep20-21swapper/222:21:452
316579976,0cyclictest0-21swapper/322:13:573
316579976,0cyclictest0-21swapper/319:34:573
316579976,0cyclictest0-21swapper/319:15:273
316579975,1cyclictest660-21avahi-daemon22:00:293
316579975,1cyclictest649-21polkitd22:45:123
316579974,2cyclictest660-21avahi-daemon21:20:513
316579974,2cyclictest1-21systemd20:40:013
316579974,2cyclictest1-21systemd20:40:003
316529975,1cyclictest660-21avahi-daemon23:25:212
316529975,1cyclictest25492-21kworker/u8:200:30:212
316529974,2cyclictest660-21avahi-daemon22:07:492
316519976,0cyclictest0-21swapper/119:23:341
316519975,1cyclictest6882-21grep22:15:521
316519975,1cyclictest660-21avahi-daemon21:35:141
316519975,1cyclictest25-21ksoftirqd/100:02:171
316519975,1cyclictest25-21ksoftirqd/100:02:161
316519974,2cyclictest674-21dbus-daemon23:50:031
316519974,2cyclictest674-21dbus-daemon21:46:401
316519972,4cyclictest3241-21bash23:00:091
316479976,0cyclictest0-21swapper/021:29:420
316479975,1cyclictest622-13audispd21:30:570
4109260,1sleep1674-21dbus-daemon20:39:551
4109260,1sleep1674-21dbus-daemon20:39:551
316579963,2cyclictest674-21dbus-daemon20:00:003
316579963,2cyclictest1002-21snmpd21:06:513
316579963,2cyclictest1002-21snmpd20:33:363
316579963,2cyclictest1002-21snmpd20:00:293
316579960,5cyclictest0-21swapper/320:41:473
316579960,0cyclictest0-21swapper/320:18:383
316529964,1cyclictest674-21dbus-daemon19:50:002
316529963,2cyclictest660-21avahi-daemon20:45:002
316519966,0cyclictest14245-21kworker/1:221:06:511
316519966,0cyclictest11369-21kworker/1:119:12:281
316519965,0cyclictest0-21swapper/120:58:341
316519963,2cyclictest1002-21snmpd20:19:591
316519963,2cyclictest1002-21snmpd20:07:291
316479965,0cyclictest0-21swapper/020:55:320
316479964,1cyclictest674-21dbus-daemon20:10:010
316479964,1cyclictest660-21avahi-daemon21:35:110
316479964,1cyclictest649-21polkitd20:40:010
316479963,2cyclictest1002-21snmpd19:48:160
316479963,2cyclictest1002-21snmpd19:10:180
8896250,0sleep20-21swapper/219:30:142
316579954,0cyclictest0-21swapper/320:10:373
316579954,0cyclictest0-21swapper/319:11:083
316579953,1cyclictest6632-21cat19:25:143
316579953,1cyclictest660-21avahi-daemon20:53:563
316579953,1cyclictest22897-21cat20:05:123
316579953,1cyclictest16778-21cat19:50:133
316579953,1cyclictest10944-21mii-tool20:55:133
316579953,1cyclictest1002-21snmpd21:04:463
316579953,1cyclictest1002-21snmpd20:45:233
316579953,1cyclictest1002-21snmpd19:45:373
316579953,1cyclictest1002-21snmpd19:22:063
316579953,1cyclictest0-21swapper/319:40:153
316579952,2cyclictest674-21dbus-daemon20:20:003
316529954,0cyclictest0-21swapper/221:05:592
316529954,0cyclictest0-21swapper/220:20:092
316529953,1cyclictest727-21cat20:30:142
316529953,1cyclictest4599-21cat19:20:122
316529953,1cyclictest1705-21sendmail20:40:372
316529953,1cyclictest10549-21tr19:35:132
316529953,1cyclictest1002-21snmpd20:57:562
316529953,1cyclictest1002-21snmpd20:35:392
316529953,1cyclictest1002-21snmpd20:35:382
316529953,1cyclictest1002-21snmpd20:25:172
316529953,1cyclictest1002-21snmpd20:11:102
316529953,1cyclictest1002-21snmpd20:08:022
316529953,1cyclictest1002-21snmpd19:52:322
316529953,1cyclictest1002-21snmpd19:25:342
316529953,1cyclictest1002-21snmpd19:18:002
316529952,2cyclictest20738-21gltestperf20:00:122
316529952,2cyclictest1002-21snmpd21:00:392
316529950,4cyclictest0-21swapper/219:58:192
316529950,0cyclictest0-21swapper/220:50:102
316519953,1cyclictest7535-21awk19:25:211
316519953,1cyclictest1696-21sshd20:30:331
316519953,1cyclictest16814-21cat19:50:141
316519953,1cyclictest14758-21mii-tool19:45:121
316519953,1cyclictest12742-21cat19:40:141
316519953,1cyclictest1002-21snmpd21:04:541
316519953,1cyclictest1002-21snmpd20:50:541
316519953,1cyclictest1002-21snmpd20:45:081
316519953,1cyclictest1002-21snmpd20:25:051
316519953,1cyclictest1002-21snmpd19:55:311
316519953,1cyclictest1002-21snmpd19:35:121
316519952,2cyclictest5074-21cut20:40:131
316479954,0cyclictest0-21swapper/020:37:020
316479954,0cyclictest0-21swapper/020:37:020
316479953,1cyclictest2562-21cat19:15:140
316479953,1cyclictest19449-21wc19:55:190
316479953,1cyclictest12557-21tail19:40:130
316479953,1cyclictest1082-21lldpd20:10:320
316479953,1cyclictest1002-21snmpd21:04:360
316479953,1cyclictest1002-21snmpd20:45:320
316479953,1cyclictest1002-21snmpd20:30:480
316479953,1cyclictest1002-21snmpd20:26:170
316479953,1cyclictest1002-21snmpd20:00:430
316479953,1cyclictest1002-21snmpd19:38:510
316479953,1cyclictest1002-21snmpd19:27:190
316479953,1cyclictest0-21swapper/021:05:140
316479952,2cyclictest674-21dbus-daemon20:50:010
316479952,2cyclictest1088-21ntpd19:30:140
316479950,4cyclictest28190-21sshd20:18:330
316529942,1cyclictest26783-21df20:15:132
316529942,1cyclictest1002-21snmpd19:10:102
316529942,1cyclictest0-21swapper/219:40:102
316519942,1cyclictest20568-21wc20:00:111
316519942,1cyclictest0-21swapper/119:30:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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