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2025-12-02 - 23:06
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot8.osadl.org (updated Tue Dec 02, 2025 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252002324292,20sleep20-21swapper/207:06:452
254372291256,22sleep10-21swapper/107:09:451
252342263230,21sleep00-21swapper/007:07:110
253382262229,20sleep30-21swapper/307:08:313
141912550,0sleep00-21swapper/010:00:420
76532530,0sleep10-21swapper/112:02:311
290432220,0sleep10-21swapper/111:03:211
311762170,0sleep20-21swapper/208:30:172
203922170,0sleep30-21swapper/311:21:413
325052150,0sleep20-21swapper/212:21:312
21712150,0sleep30-21swapper/311:58:173
302172140,0sleep30-21swapper/309:20:193
46162130,0sleep10-21swapper/109:54:381
66032110,0sleep20-21swapper/212:01:242
2557099119,1cyclictest29741-11brltty10:28:083
255709994,3cyclictest19982-21systemd-journal11:18:363
255679994,3cyclictest19982-21systemd-journal07:30:242
255679994,3cyclictest19982-21systemd-journal07:27:542
255649995,3cyclictest508-21dbus-daemon09:14:411
255649992,3cyclictest19982-21systemd-journal11:26:561
21954290,0sleep20-21swapper/212:36:282
31096280,1sleep10-21swapper/108:30:161
255709986,1cyclictest34-21ksoftirqd/308:40:013
255709985,2cyclictest508-21dbus-daemon08:59:403
255709985,2cyclictest34-21ksoftirqd/307:20:013
255709984,3cyclictest508-21dbus-daemon07:50:163
255679984,3cyclictest19982-21systemd-journal10:10:012
255679984,3cyclictest19982-21systemd-journal07:20:012
255679983,3cyclictest7661-21lldpd10:37:452
255679983,3cyclictest19982-21systemd-journal07:11:382
255679980,1cyclictest0-21swapper/211:25:112
255649983,3cyclictest19982-21systemd-journal09:05:301
255649983,3cyclictest19982-21systemd-journal07:38:451
255649983,3cyclictest19982-21systemd-journal07:31:141
255599983,3cyclictest19982-21systemd-journal12:22:010
255599983,3cyclictest19982-21systemd-journal08:44:140
255599983,3cyclictest19982-21systemd-journal08:32:200
255599983,3cyclictest19982-21systemd-journal07:51:410
255599980,5cyclictest0-21swapper/011:25:510
7504270,0sleep20-21swapper/210:46:162
27059270,0sleep00-21swapper/007:10:200
255709975,1cyclictest34-21ksoftirqd/312:10:003
255709974,2cyclictest4469-21cron08:45:013
255709974,2cyclictest17849-21df_inode10:30:133
255709974,2cyclictest11736-21in:imuxsock10:15:373
255709973,3cyclictest508-21dbus-daemon11:06:303
255709973,3cyclictest508-21dbus-daemon09:10:313
255709973,3cyclictest30654-21snmpd10:50:263
255709973,3cyclictest30654-21snmpd10:41:263
255709973,3cyclictest0-21swapper/309:41:133
255709973,1cyclictest0-21swapper/311:01:263
255709973,1cyclictest0-21swapper/309:45:363
255709972,4cyclictest7661-21lldpd09:19:253
255709972,3cyclictest19982-21systemd-journal09:25:333
255709972,3cyclictest19982-21systemd-journal08:25:193
255709972,3cyclictest19982-21systemd-journal08:11:423
255709971,4cyclictest19982-21systemd-journal10:13:573
255679974,2cyclictest19982-21systemd-journal12:15:562
255679974,2cyclictest19982-21systemd-journal09:35:342
255679974,2cyclictest14690-21sshd12:31:192
255679973,3cyclictest30654-21snmpd11:19:092
255679973,3cyclictest30654-21snmpd09:11:102
255679973,3cyclictest19982-21systemd-journal09:25:012
255679973,3cyclictest19982-21systemd-journal09:15:322
255679973,1cyclictest24002-21awk11:00:012
255679973,1cyclictest24002-21awk11:00:012
255679973,1cyclictest0-21swapper/211:32:142
255679972,3cyclictest19982-21systemd-journal11:55:532
255679972,3cyclictest19982-21systemd-journal09:49:362
255679972,1cyclictest0-21swapper/209:51:072
255679970,4cyclictest11485-21idleruntime-cro09:00:012
255649974,2cyclictest508-21dbus-daemon08:54:151
255649974,2cyclictest508-21dbus-daemon08:46:451
255649973,3cyclictest9976-21users09:30:221
255649973,3cyclictest695-21sshd07:25:111
255649973,3cyclictest508-21dbus-daemon12:30:001
255649973,3cyclictest30654-21snmpd10:38:311
255649973,3cyclictest19982-21systemd-journal11:21:311
255649973,3cyclictest19982-21systemd-journal10:43:201
255649973,3cyclictest0-21swapper/112:18:421
255649973,3cyclictest0-21swapper/110:29:541
255649973,1cyclictest0-21swapper/111:44:371
255649972,3cyclictest19982-21systemd-journal08:18:231
255649972,2cyclictest32099-21grep11:30:201
255599974,2cyclictest508-21dbus-daemon11:22:210
255599974,2cyclictest29006-21cron12:20:000
255599974,2cyclictest19982-21systemd-journal08:07:570
255599973,3cyclictest7896-21df07:40:130
255599973,3cyclictest668-21runrttasks11:00:480
255599973,3cyclictest5422-21grep10:20:150
255599973,3cyclictest508-21dbus-daemon12:00:440
255599973,3cyclictest508-21dbus-daemon11:45:180
255599973,3cyclictest508-21dbus-daemon10:56:050
255599973,3cyclictest508-21dbus-daemon10:56:050
255599973,3cyclictest27545-21sshd09:45:400
255599973,3cyclictest15958-21diskmemload10:27:390
255599972,3cyclictest7661-21lldpd10:36:300
255599972,1cyclictest0-21swapper/012:10:020
255599971,4cyclictest2183-21rm11:58:180
255599971,3cyclictest6452-21rm11:35:490
255599970,3cyclictest12345-21cat11:40:220
13073270,1sleep00-21swapper/010:50:230
10549270,0sleep10-21swapper/107:45:161
255709966,0cyclictest0-21swapper/310:58:123
255709966,0cyclictest0-21swapper/310:58:123
255709966,0cyclictest0-21swapper/309:57:353
255709966,0cyclictest0-21swapper/308:05:203
255709964,1cyclictest34-21ksoftirqd/312:25:013
255709964,1cyclictest16146-21cron08:00:003
255709963,2cyclictest9955-21cat07:45:133
255709963,2cyclictest7278-21dpkg08:50:133
255709963,2cyclictest31885-21cat11:30:203
255709963,2cyclictest30654-21snmpd08:22:233
255709963,2cyclictest30654-21snmpd08:01:243
255709963,2cyclictest30654-21snmpd07:35:023
255709963,2cyclictest29741-11brltty11:25:173
255709963,2cyclictest26094-21cat07:10:123
255709963,2cyclictest20125-21ntp_states12:35:193
255709963,2cyclictest16798-21cstates12:10:153
255709963,2cyclictest0-21swapper/310:21:023
255709962,3cyclictest6528-21sshd11:35:523
255709962,3cyclictest5393-21awk12:00:173
255709962,3cyclictest508-21dbus-daemon11:40:183
255709962,3cyclictest30834-21cat08:30:153
255709962,3cyclictest30654-21snmpd10:46:353
255709962,3cyclictest30654-21snmpd07:42:173
255709962,3cyclictest30654-21snmpd07:30:323
255709962,3cyclictest19982-21systemd-journal07:25:103
255709962,3cyclictest12612-21fschecks_count10:00:143
255709962,3cyclictest12414-21cat09:00:163
255709962,3cyclictest12414-21cat09:00:163
255709962,3cyclictest1-21systemd10:35:013
255709962,3cyclictest1-21systemd09:35:193
255709962,2cyclictest23497-21rm11:50:043
255709962,1cyclictest0-21swapper/312:15:233
255709962,1cyclictest0-21swapper/309:50:083
255709961,4cyclictest0-21swapper/310:06:173
255709961,1cyclictest30008-21fschecks_time12:20:153
255709960,6cyclictest0-21swapper/309:33:163
255709960,5cyclictest5827-21ntp_states11:10:203
255709960,5cyclictest24746-21sshd08:15:183
255709960,3cyclictest6624-21sshd08:45:243
255709960,3cyclictest12913-21ntp_states12:30:173
255679963,2cyclictest8399-21apt09:30:112
255679963,2cyclictest7276-21apt08:50:132
255679963,2cyclictest668-21runrttasks10:25:532
255679963,2cyclictest5795-21grep10:20:172
255679963,2cyclictest5470-21grep08:45:162
255679963,2cyclictest508-21dbus-daemon08:08:212
255679963,2cyclictest26369-21cat08:20:142
255679963,2cyclictest19898-21rm12:12:122
255679963,2cyclictest15958-21diskmemload10:51:202
255679963,2cyclictest15276-21wc09:05:202
255679963,2cyclictest11736-21in:imuxsock10:30:442
255679963,2cyclictest11736-21in:imuxsock07:52:062
255679963,2cyclictest0-21swapper/210:01:412
255679963,1cyclictest0-21swapper/210:11:432
255679963,1cyclictest0-21swapper/209:55:282
255679962,3cyclictest8210-21cat07:40:152
255679962,3cyclictest508-21dbus-daemon07:36:152
255679962,3cyclictest32196-21sed10:40:212
255679962,3cyclictest30654-21snmpd12:08:462
255679962,3cyclictest30654-21snmpd11:45:282
255679962,3cyclictest30654-21snmpd07:22:352
255679962,3cyclictest21552-21expr08:10:132
255679962,3cyclictest21189-21grep09:40:272
255679962,3cyclictest19982-21systemd-journal08:40:242
255679962,3cyclictest19982-21systemd-journal07:55:012
255679962,3cyclictest17630-21cat11:20:122
255679962,3cyclictest10436-21cat07:45:152
255679962,2cyclictest13344-21sshd09:00:282
255679962,2cyclictest13344-21sshd09:00:272
255679962,1cyclictest0-21swapper/212:25:252
255679962,1cyclictest0-21swapper/211:50:422
255679962,1cyclictest0-21swapper/211:41:492
255679962,1cyclictest0-21swapper/211:12:542
255679962,1cyclictest0-21swapper/211:00:162
255679962,1cyclictest0-21swapper/210:17:092
255679961,3cyclictest19982-21systemd-journal08:00:012
255679961,2cyclictest31102-21ssh11:05:142
255679960,5cyclictest4466-21cat11:35:142
255649964,1cyclictest0-21swapper/111:45:121
255649963,2cyclictest9483-21/usr/sbin/munin08:55:171
255649963,2cyclictest858-21ssh12:22:131
255649963,2cyclictest5739-21tr11:10:191
255649963,2cyclictest508-21dbus-daemon08:42:091
255649963,2cyclictest32216-21ssh11:55:451
255649963,2cyclictest30654-21snmpd11:05:331
255649963,2cyclictest30654-21snmpd08:21:541
255649963,2cyclictest24270-21sh09:15:461
255649963,2cyclictest18618-21cat10:05:141
255649963,2cyclictest1815-21idleruntime-cro09:25:011
255649963,2cyclictest14329-21cat07:55:191
255649963,2cyclictest11736-21in:imuxsock07:15:481
255649963,1cyclictest0-21swapper/111:51:081
255649962,3cyclictest5576-21cat10:20:161
255649962,3cyclictest5282-21df10:45:141
255649962,3cyclictest30654-21snmpd09:40:471
255649962,3cyclictest30654-21snmpd09:26:321
255649962,3cyclictest30654-21snmpd08:35:061
255649962,3cyclictest30654-21snmpd08:12:271
255649962,3cyclictest28584-21cat08:25:151
255649962,3cyclictest19982-21systemd-journal07:44:111
255649962,3cyclictest18618-21find10:30:191
255649962,3cyclictest13874-21expr09:35:141
255649962,3cyclictest12068-21ntp_offset11:15:181
255649962,2cyclictest7661-21lldpd07:52:131
255649962,2cyclictest26646-21ls09:45:191
255649962,1cyclictest0-21swapper/112:32:361
255649962,1cyclictest0-21swapper/110:57:041
255649962,1cyclictest0-21swapper/110:57:041
255649962,1cyclictest0-21swapper/110:10:051
255649962,1cyclictest0-21swapper/109:55:251
255649961,4cyclictest30654-21snmpd10:51:021
255649961,3cyclictest19982-21systemd-journal12:10:201
255649960,5cyclictest4455-21turbostat.cron10:20:011
255649960,0cyclictest0-21swapper/112:08:441
255599964,1cyclictest29876-21smart_sda07:15:190
255599963,2cyclictest668-21runrttasks09:31:310
255599963,2cyclictest6273-21sed10:45:210
255599963,2cyclictest30654-21snmpd09:25:590
255599963,2cyclictest30654-21snmpd08:45:070
255599963,2cyclictest30654-21snmpd07:20:110
255599963,2cyclictest29968-21cut09:20:180
255599963,2cyclictest24861-21ssh10:10:040
255599963,2cyclictest16286-21rm09:10:090
255599963,2cyclictest14658-21grep07:55:200
255599963,1cyclictest0-21swapper/009:50:060
255599962,3cyclictest7022-21sshd12:25:590
255599962,3cyclictest5428-21expr07:35:160
255599962,3cyclictest30654-21snmpd09:55:390
255599962,3cyclictest30654-21snmpd09:03:370
255599962,3cyclictest30654-21snmpd09:03:370
255599962,3cyclictest24679-21ntpq11:50:180
255599962,3cyclictest23670-21expr08:15:120
255599962,3cyclictest23238-21cat09:15:170
255599962,3cyclictest21859-21if_enp4s008:10:160
255599962,3cyclictest19431-21expr12:35:150
255599962,3cyclictest1756-21pmu-power07:25:180
255599962,3cyclictest10631-21df12:05:150
255599962,3cyclictest0-21swapper/011:15:030
255599962,1cyclictest0-21swapper/010:30:450
255599962,1cyclictest0-21swapper/010:16:590
255599961,2cyclictest1687-21ssh10:42:000
255599960,6cyclictest0-21swapper/012:31:500
255599960,6cyclictest0-21swapper/011:11:150
255599960,5cyclictest20495-21sshd10:05:410
255599960,3cyclictest32339-21ssh11:30:330
255599960,3cyclictest2331-21rm11:07:430
255599960,0cyclictest0-21swapper/009:38:010
255709952,2cyclictest30654-21snmpd09:05:223
255709950,4cyclictest17087-21ssh11:45:123
255709950,3cyclictest19982-21systemd-journal07:20:113
255679952,2cyclictest32556-21cut08:35:132
255679952,2cyclictest2047-21sh09:25:012
255679951,3cyclictest23407-21find08:15:102
255679950,3cyclictest19982-21systemd-journal08:25:012
255649953,1cyclictest19700-21gltestperf12:35:161
255649952,2cyclictest31393-21cut07:20:151
255649952,2cyclictest19982-21systemd-journal07:10:091
255649952,2cyclictest19187-21cstates08:05:161
255649952,2cyclictest16447-21grep08:00:121
255649952,2cyclictest12570-21ssh10:00:131
255649950,3cyclictest11862-21cat09:00:131
255649950,3cyclictest11862-21cat09:00:131
255649950,2cyclictest4715-21cstates11:35:141
255599953,1cyclictest3433-21fschecks_time07:30:170
255599952,2cyclictest30654-21snmpd08:25:030
255599952,2cyclictest301-21cat08:35:140
255599952,2cyclictest16436-21basename08:00:110
255599952,2cyclictest1-21systemd08:50:060
255599952,2cyclictest10088-21expr07:45:130
255599951,3cyclictest9697-21/usr/sbin/munin08:55:150
255599951,3cyclictest15156-21readlink09:05:190
255599950,4cyclictest19592-21sh09:40:080
255599950,3cyclictest502-21systemd-logind08:20:030
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