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2025-11-26 - 00:39
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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 376 highest latencies:
System rackaslot8.osadl.org (updated Tue Nov 25, 2025 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66152307275,20sleep20-21swapper/207:06:012
68472289223,22sleep10-21swapper/107:09:011
67922275240,22sleep30-21swapper/307:08:193
69392260227,21sleep00-21swapper/007:09:530
219962650,0sleep20-21swapper/209:30:202
316312600,0sleep10-21swapper/109:10:211
71082580,0sleep20-21swapper/210:12:252
71082580,0sleep20-21swapper/210:12:252
222112570,0sleep10-21swapper/108:50:191
197282570,0sleep20-21swapper/212:29:202
35412550,0sleep20-21swapper/209:15:142
306382540,0sleep10-21swapper/112:36:191
118142540,0sleep30-21swapper/311:07:113
247032150,0sleep30-21swapper/311:43:323
139312150,0sleep20-21swapper/210:17:262
68332140,0sleep00-21swapper/009:17:440
77162110,0sleep20-21swapper/207:10:142
70689996,2cyclictest34-21ksoftirqd/308:45:003
70689994,3cyclictest19982-21systemd-journal10:45:123
70639994,2cyclictest24518-21sort10:25:132
70609995,2cyclictest19982-21systemd-journal10:28:011
70609994,3cyclictest19982-21systemd-journal08:29:321
70689984,3cyclictest19982-21systemd-journal08:03:403
70689983,3cyclictest19982-21systemd-journal12:15:403
70689983,3cyclictest19982-21systemd-journal09:03:433
70689983,3cyclictest19982-21systemd-journal07:51:593
70689983,3cyclictest19982-21systemd-journal07:49:403
70639985,2cyclictest30654-21snmpd12:10:242
70639984,3cyclictest19982-21systemd-journal08:52:032
70639983,3cyclictest19982-21systemd-journal08:14:402
70609980,6cyclictest19982-21systemd-journal12:27:451
70569984,3cyclictest7661-21lldpd11:09:480
70569984,3cyclictest19982-21systemd-journal10:36:300
70569984,3cyclictest19982-21systemd-journal09:54:570
70569980,7cyclictest22855-21/usr/sbin/munin08:55:000
31982280,0chrt0-21swapper/012:37:330
21733280,0sleep30-21swapper/309:57:453
19649280,0sleep20-21swapper/209:29:322
70689974,2cyclictest19982-21systemd-journal09:06:153
70689974,2cyclictest11736-21in:imuxsock10:15:063
70689973,3cyclictest30654-21snmpd07:55:273
70689973,3cyclictest24048-21ntpq08:55:173
70689973,3cyclictest19982-21systemd-journal09:17:303
70689973,3cyclictest11701-21munin-plugin-st08:30:013
70689973,3cyclictest1102-21ntpq11:50:173
70689973,3cyclictest1087-21sshd09:12:293
70689973,3cyclictest0-21swapper/310:58:233
70689973,1cyclictest0-21swapper/312:35:353
70689973,1cyclictest0-21swapper/311:13:003
70689973,1cyclictest0-21swapper/311:02:343
70689973,1cyclictest0-21swapper/310:52:383
70689973,1cyclictest0-21swapper/310:05:503
70689972,3cyclictest19982-21systemd-journal11:27:303
70689971,4cyclictest19982-21systemd-journal12:26:303
70689970,7cyclictest0-21swapper/309:28:583
70639973,3cyclictest8462-21ntpq08:20:192
70639973,3cyclictest27328-21cron09:05:002
70639973,3cyclictest17681-21head10:20:142
70639973,3cyclictest11736-21in:imuxsock10:59:432
70639973,3cyclictest0-21swapper/209:23:382
70639973,1cyclictest0-21swapper/212:21:012
70639973,1cyclictest0-21swapper/212:05:102
70639973,1cyclictest0-21swapper/212:02:472
70639973,1cyclictest0-21swapper/212:02:472
70639973,1cyclictest0-21swapper/210:40:052
70639972,3cyclictest19982-21systemd-journal11:49:202
70639971,3cyclictest7427-21rm09:45:202
70639970,4cyclictest7966-21munin-run11:05:002
70639970,4cyclictest23379-21munin-run10:00:012
70639970,4cyclictest16877-21cron07:30:012
70609974,2cyclictest508-21dbus-daemon11:56:281
70609974,2cyclictest22-21ksoftirqd/110:20:011
70609974,2cyclictest11736-21in:imuxsock08:19:311
70609973,3cyclictest508-21dbus-daemon12:05:391
70609973,3cyclictest0-21swapper/111:11:591
70609973,2cyclictest1930-21munin-run11:00:001
70609973,1cyclictest0-21swapper/111:53:111
70609972,4cyclictest9280-21perl09:20:141
70609972,3cyclictest19982-21systemd-journal12:31:051
70609972,3cyclictest19982-21systemd-journal11:30:111
70609972,3cyclictest19982-21systemd-journal10:04:591
70609972,3cyclictest19982-21systemd-journal09:57:091
70609972,3cyclictest19982-21systemd-journal08:37:011
70609972,3cyclictest19982-21systemd-journal07:14:271
70609971,3cyclictest18401-21munin-run08:45:001
70609971,3cyclictest14297-21munin-run11:10:001
70569975,1cyclictest0-21swapper/010:45:120
70569973,3cyclictest8959-21awk12:20:220
70569973,3cyclictest508-21dbus-daemon11:11:250
70569973,3cyclictest508-21dbus-daemon10:55:580
70569973,3cyclictest508-21dbus-daemon09:35:190
70569973,3cyclictest508-21dbus-daemon08:40:000
70569973,3cyclictest19982-21systemd-journal12:15:010
70569973,3cyclictest1-21systemd08:56:140
70569973,1cyclictest0-21swapper/011:47:090
70569973,1cyclictest0-21swapper/010:52:000
70569973,1cyclictest0-21swapper/010:42:380
70569973,1cyclictest0-21swapper/010:32:090
70569973,1cyclictest0-21swapper/010:24:220
70569972,3cyclictest19982-21systemd-journal11:53:070
70569971,4cyclictest19982-21systemd-journal12:15:390
70689963,2cyclictest8631-21grep08:20:203
70689963,2cyclictest7199-21ls11:55:173
70689963,2cyclictest6716-21unixbench_multi08:15:203
70689963,2cyclictest508-21dbus-daemon10:40:003
70689963,2cyclictest30764-21ssh11:22:373
70689963,2cyclictest30654-21snmpd07:41:303
70689963,2cyclictest24724-21idleruntime10:25:143
70689963,2cyclictest19330-21sh10:20:513
70689963,2cyclictest12911-21expr12:00:153
70689963,2cyclictest12911-21expr12:00:153
70689962,3cyclictest508-21dbus-daemon09:20:263
70689962,3cyclictest353-21cat09:40:133
70689962,3cyclictest30654-21snmpd11:45:373
70689962,3cyclictest30654-21snmpd11:31:213
70689962,3cyclictest30654-21snmpd09:30:183
70689962,3cyclictest30654-21snmpd08:51:383
70689962,3cyclictest30654-21snmpd08:49:503
70689962,3cyclictest30654-21snmpd08:37:283
70689962,3cyclictest30654-21snmpd07:32:453
70689962,3cyclictest30654-21snmpd07:14:233
70689962,3cyclictest29741-11brltty10:10:553
70689962,3cyclictest29741-11brltty10:10:553
70689962,3cyclictest20574-21sensors_temp07:35:203
70689962,3cyclictest20059-21uname12:05:163
70689962,3cyclictest0-21swapper/311:15:133
70689962,2cyclictest19982-21systemd-journal12:21:043
70689962,2cyclictest19982-21systemd-journal07:22:303
70689962,1cyclictest0-21swapper/312:30:413
70689962,1cyclictest0-21swapper/310:00:023
70689962,1cyclictest0-21swapper/309:51:073
70689961,4cyclictest10141-21apt-get07:15:163
70689961,3cyclictest19982-21systemd-journal10:33:023
70689961,3cyclictest19982-21systemd-journal07:30:013
70689961,2cyclictest28913-21ssh09:35:563
70689961,1cyclictest19982-21systemd-journal11:35:113
70689960,5cyclictest26542-21df_inode12:10:143
70689960,3cyclictest13113-21ssh10:41:183
70689960,2cyclictest1407-21ntp_kernel_pll_08:05:173
70689960,0cyclictest0-21swapper/309:47:313
70639966,0cyclictest0-21swapper/209:41:112
70639966,0cyclictest0-21swapper/208:09:392
70639963,2cyclictest30654-21snmpd10:52:202
70639963,2cyclictest30370-21ssh12:36:052
70639963,2cyclictest24426-21cut07:45:132
70639963,2cyclictest21988-21sh11:40:252
70639963,2cyclictest21848-21expr07:40:142
70639963,2cyclictest20376-21cron12:30:002
70639963,2cyclictest15343-21sh11:35:312
70639963,2cyclictest12140-21expr08:30:132
70639963,2cyclictest0-21swapper/210:05:432
70639963,1cyclictest0-21swapper/210:01:482
70639962,3cyclictest6339-21cpu11:55:132
70639962,3cyclictest508-21dbus-daemon08:47:022
70639962,3cyclictest508-21dbus-daemon08:05:012
70639962,3cyclictest30991-21ntpq09:10:172
70639962,3cyclictest30654-21snmpd12:15:472
70639962,3cyclictest30654-21snmpd11:52:192
70639962,3cyclictest30654-21snmpd08:41:352
70639962,3cyclictest30654-21snmpd08:35:072
70639962,3cyclictest30654-21snmpd08:26:552
70639962,3cyclictest30654-21snmpd07:56:002
70639962,3cyclictest30654-21snmpd07:19:022
70639962,3cyclictest23785-21cat08:55:152
70639962,3cyclictest19478-21cat07:35:142
70639962,3cyclictest17520-21df07:30:152
70639962,3cyclictest13679-21wc07:20:192
70639962,3cyclictest1-21systemd11:32:162
70639962,3cyclictest0-21swapper/209:36:032
70639962,2cyclictest1-21systemd08:15:212
70639962,1cyclictest0-21swapper/211:16:232
70639962,1cyclictest0-21swapper/211:13:512
70639961,3cyclictest9426-21sshd11:05:182
70639961,3cyclictest19982-21systemd-journal10:32:122
70639961,3cyclictest19982-21systemd-journal07:54:312
70639960,3cyclictest816-21/usr/sbin/munin11:25:132
70639960,3cyclictest18809-21ssh10:45:302
70639960,3cyclictest11958-21rm09:50:042
70609963,2cyclictest8620-21ntpq12:20:201
70609963,2cyclictest668-21runrttasks10:12:061
70609963,2cyclictest668-21runrttasks10:12:061
70609963,2cyclictest31595-21ssh11:49:241
70609963,2cyclictest30654-21snmpd08:07:401
70609963,2cyclictest29741-11brltty07:45:191
70609963,2cyclictest24162-21ssh09:32:311
70609963,2cyclictest19982-21systemd-journal07:43:121
70609963,2cyclictest18392-21sh12:04:511
70609963,2cyclictest18392-21sh12:04:501
70609963,2cyclictest1685-21ssh10:32:241
70609963,2cyclictest16293-21sed07:25:201
70609963,2cyclictest14683-21gunzip11:35:181
70609963,2cyclictest13251-21grep07:20:161
70609963,2cyclictest10818-21cpuspeed_turbos10:40:141
70609963,2cyclictest0-21swapper/111:00:151
70609962,3cyclictest7862-21expr08:20:151
70609962,3cyclictest7661-21lldpd10:52:021
70609962,3cyclictest508-21dbus-daemon09:50:541
70609962,3cyclictest508-21dbus-daemon09:02:541
70609962,3cyclictest30654-21snmpd11:29:481
70609962,3cyclictest30654-21snmpd09:42:511
70609962,3cyclictest30654-21snmpd09:16:141
70609962,3cyclictest30654-21snmpd08:59:411
70609962,3cyclictest30654-21snmpd08:47:591
70609962,3cyclictest30654-21snmpd08:33:431
70609962,3cyclictest30654-21snmpd08:01:511
70609962,3cyclictest30654-21snmpd07:52:481
70609962,3cyclictest30654-21snmpd07:39:141
70609962,3cyclictest27709-21expr11:20:151
70609962,3cyclictest27371-21cat09:35:141
70609962,3cyclictest18528-21cat07:30:211
70609962,3cyclictest17207-21expr10:45:131
70609962,3cyclictest1-21systemd07:16:571
70609962,3cyclictest0-21swapper/111:15:231
70609962,2cyclictest8953-1kworker/u9:110:05:221
70609962,1cyclictest0-21swapper/112:10:031
70609962,1cyclictest0-21swapper/110:21:281
70609962,1cyclictest0-21swapper/109:28:401
70609961,3cyclictest19982-21systemd-journal12:18:101
70609961,3cyclictest19982-21systemd-journal11:42:421
70609961,3cyclictest19982-21systemd-journal08:11:361
70609960,5cyclictest6448-21cstates09:45:141
70609960,3cyclictest6761-21rm10:36:191
70569963,2cyclictest9465-21latency_hist08:25:000
70569963,2cyclictest668-21runrttasks10:07:290
70569963,2cyclictest29741-11brltty07:32:480
70569963,2cyclictest25608-21expr09:00:150
70569963,2cyclictest24835-21ntp_states10:00:190
70569963,2cyclictest22354-21sh09:30:280
70569963,2cyclictest21134-21basename12:30:120
70569963,2cyclictest19982-21systemd-journal11:35:110
70569963,2cyclictest19886-21rm09:55:360
70569963,2cyclictest11736-21in:imuxsock09:10:000
70569962,3cyclictest6999-21cat11:55:160
70569962,3cyclictest508-21dbus-daemon08:34:570
70569962,3cyclictest3402-21fschecks_count08:10:140
70569962,3cyclictest30654-21snmpd11:15:150
70569962,3cyclictest30654-21snmpd08:25:160
70569962,3cyclictest30654-21snmpd08:15:250
70569962,3cyclictest30654-21snmpd08:08:040
70569962,3cyclictest30654-21snmpd08:00:360
70569962,3cyclictest30654-21snmpd07:47:480
70569962,3cyclictest30654-21snmpd07:25:530
70569962,3cyclictest30654-21snmpd07:23:140
70569962,3cyclictest29013-21smartctl07:55:160
70569962,3cyclictest2647-21expr11:00:140
70569962,3cyclictest11064-21cat10:15:170
70569962,3cyclictest10195-21cat07:15:160
70569962,3cyclictest0-21swapper/011:20:120
70569962,3cyclictest0-21swapper/010:10:030
70569962,3cyclictest0-21swapper/010:10:030
70569962,1cyclictest141rcu_preempt09:25:200
70569962,1cyclictest0-21swapper/011:40:110
70569962,1cyclictest0-21swapper/011:30:220
70569962,1cyclictest0-21swapper/009:40:140
70569962,1cyclictest0-21swapper/009:12:290
70569961,3cyclictest19982-21systemd-journal09:20:500
70569961,2cyclictest15675-21rm12:01:500
70569961,2cyclictest15675-21rm12:01:500
70569960,6cyclictest0-21swapper/012:07:570
70569960,5cyclictest2800-21ssh11:25:410
70569960,3cyclictest16863-21ssh12:26:350
70569960,2cyclictest9246-21munin-run07:15:010
70689953,1cyclictest11948-21sort08:30:123
70689952,2cyclictest3192-21cat08:10:123
70639952,2cyclictest8953-1kworker/u9:111:20:052
70639951,3cyclictest27763-21grep09:05:132
70639951,1cyclictest0-21swapper/210:35:022
70609952,2cyclictest508-21dbus-daemon07:55:191
70609952,2cyclictest27930-21expr09:05:131
70569952,2cyclictest26946-21ls07:50:150
70569952,2cyclictest19531-21tr08:45:160
70569951,3cyclictest30654-21snmpd09:45:040
70569951,3cyclictest30654-21snmpd07:35:420
70569951,3cyclictest21856-21grep07:40:140
70569951,3cyclictest16816-21df_inode08:40:150
70569950,4cyclictest23670-21apt-config10:25:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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