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2025-11-22 - 10:47
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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 Sat Nov 22, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263132295264,20sleep20-21swapper/219:06:442
262672275241,21sleep30-21swapper/319:06:093
245162265228,22sleep10-21swapper/119:05:021
245742260226,22sleep00-21swapper/019:05:050
251952620,0sleep10-21swapper/100:13:401
74922600,0sleep00-21swapper/021:25:160
176362590,0sleep20-21swapper/222:38:082
126282560,0sleep30-21swapper/321:29:173
103072520,0sleep00-21swapper/022:33:080
52662190,0sleep10-21swapper/122:07:401
221392170,0sleep00-21swapper/023:25:190
258832160,0sleep10-21swapper/123:27:591
138302160,0sleep00-21swapper/021:51:050
2668299115,4cyclictest19982-21systemd-journal21:19:203
27240290,3sleep012-21ksoftirqd/023:50:570
266829994,3cyclictest19982-21systemd-journal21:32:173
266829994,3cyclictest19982-21systemd-journal00:05:013
24863290,0sleep00-21swapper/022:42:570
266829987,1cyclictest0-21swapper/320:35:333
266829987,1cyclictest0-21swapper/320:35:333
266829986,1cyclictest0-21swapper/323:15:173
266829984,3cyclictest29741-11brltty23:30:213
266829984,2cyclictest19982-21systemd-journal22:33:243
266829983,4cyclictest0-21swapper/322:06:253
266829983,3cyclictest19982-21systemd-journal22:10:153
266829983,3cyclictest19982-21systemd-journal19:37:213
266829983,3cyclictest19982-21systemd-journal00:38:523
266799984,3cyclictest508-21dbus-daemon19:19:132
266799984,3cyclictest20403-21awk21:55:222
266799983,3cyclictest7661-21lldpd19:20:212
266799983,3cyclictest19982-21systemd-journal21:21:192
266799983,3cyclictest19982-21systemd-journal20:34:182
266799983,3cyclictest19982-21systemd-journal20:15:562
266799981,4cyclictest18273-21munin-run21:55:012
266749984,3cyclictest19982-21systemd-journal21:46:261
266749984,3cyclictest19982-21systemd-journal20:15:011
266749982,3cyclictest19982-21systemd-journal23:15:201
266749981,4cyclictest20911-21idleruntime-cro21:34:591
266749980,5cyclictest13432-21munin-run00:05:001
266709984,3cyclictest508-21dbus-daemon19:50:290
266709983,3cyclictest19982-21systemd-journal19:12:330
266709983,3cyclictest19982-21systemd-journal00:28:460
7634270,0sleep20-21swapper/200:00:172
6382270,1sleep16492-21awk20:45:181
29286270,0chrt22-21ksoftirqd/122:45:231
266829974,2cyclictest668-21runrttasks22:15:413
266829973,3cyclictest508-21dbus-daemon21:00:003
266829973,3cyclictest27084-21diskstats20:20:163
266829973,3cyclictest24754-21sensors_temp22:20:183
266829973,3cyclictest19982-21systemd-journal22:30:013
266829973,3cyclictest19982-21systemd-journal21:10:243
266829973,3cyclictest19982-21systemd-journal19:46:213
266829973,3cyclictest17232-21diskstats23:00:163
266829973,3cyclictest13946-21sed22:35:193
266829973,3cyclictest1-21systemd22:42:233
266829973,3cyclictest0-21swapper/321:49:553
266829973,3cyclictest0-21swapper/300:10:123
266829973,1cyclictest0-21swapper/322:57:473
266829972,3cyclictest19982-21systemd-journal21:05:093
266829972,3cyclictest19982-21systemd-journal21:00:593
266829972,3cyclictest19982-21systemd-journal19:31:023
266829972,2cyclictest1944-21sshd23:11:373
266829971,4cyclictest19982-21systemd-journal23:53:433
266829971,2cyclictest19982-21systemd-journal00:00:003
266799974,2cyclictest508-21dbus-daemon20:01:452
266799974,2cyclictest31775-21diskstats23:10:182
266799974,2cyclictest20231-21/usr/sbin/munin00:10:182
266799973,3cyclictest508-21dbus-daemon23:00:012
266799973,3cyclictest508-21dbus-daemon20:10:002
266799973,3cyclictest16628-21sed19:55:192
266799973,3cyclictest0-21swapper/200:18:322
266799973,1cyclictest0-21swapper/223:52:132
266799973,1cyclictest0-21swapper/223:20:482
266799973,1cyclictest0-21swapper/221:48:052
266799973,1cyclictest0-21swapper/221:40:372
266799973,1cyclictest0-21swapper/221:11:402
266799972,3cyclictest19982-21systemd-journal22:33:382
266799971,4cyclictest19982-21systemd-journal23:32:012
266799970,3cyclictest6246-21ssh23:15:112
266749974,2cyclictest502-21systemd-logind22:59:041
266749974,2cyclictest11736-21in:imuxsock22:20:171
266749974,2cyclictest11736-21in:imuxsock19:35:001
266749974,1cyclictest565-21latency_hist22:05:021
266749973,3cyclictest19982-21systemd-journal19:27:581
266749973,3cyclictest17664-21seq00:07:461
266749973,3cyclictest0-21swapper/123:37:201
266749973,3cyclictest0-21swapper/100:24:411
266749973,3cyclictest0-21swapper/100:24:411
266749973,1cyclictest0-21swapper/122:28:221
266749972,4cyclictest9404-21awk22:10:181
266749972,4cyclictest0-21swapper/121:10:191
266749972,3cyclictest5187-21awk20:45:001
266749972,3cyclictest19982-21systemd-journal23:04:041
266749972,3cyclictest19982-21systemd-journal19:55:001
266709974,2cyclictest508-21dbus-daemon20:53:050
266709974,2cyclictest11736-21in:imuxsock00:16:400
266709974,2cyclictest10719-21/usr/sbin/munin19:45:170
266709973,3cyclictest508-21dbus-daemon23:22:020
266709973,3cyclictest508-21dbus-daemon22:15:010
266709973,3cyclictest30654-21snmpd19:23:530
266709973,3cyclictest29741-11brltty23:59:580
266709973,3cyclictest29741-11brltty21:56:050
266709973,3cyclictest29741-11brltty21:08:300
266709973,3cyclictest23271-21rm22:20:020
266709973,3cyclictest19982-21systemd-journal20:40:000
266709973,3cyclictest19982-21systemd-journal20:40:000
266709973,3cyclictest19982-21systemd-journal19:55:310
266709973,3cyclictest19116-21gdbus23:40:010
266709973,3cyclictest0-21swapper/022:36:450
266709973,1cyclictest0-21swapper/000:02:430
266709971,3cyclictest22389-21rm00:38:060
266709970,4cyclictest16017-21cron23:00:000
14545270,0sleep10-21swapper/122:35:231
10388270,0sleep00-21swapper/023:40:070
4112260,0sleep00-21swapper/022:50:300
266829966,0cyclictest0-21swapper/323:20:063
266829966,0cyclictest0-21swapper/322:50:243
266829964,1cyclictest1774-21/usr/sbin/munin19:25:223
266829963,2cyclictest29708-21ntpq21:40:173
266829963,2cyclictest23827-21ssh23:05:063
266829963,2cyclictest21570-21chrt20:05:393
266829963,2cyclictest20063-21ssh23:45:593
266829963,2cyclictest18776-21ssh21:55:143
266829963,2cyclictest17605-21apt-config20:00:003
266829963,2cyclictest12172-21ssh00:30:113
266829962,3cyclictest7661-21lldpd20:43:383
266829962,3cyclictest7661-21lldpd19:17:203
266829962,3cyclictest508-21dbus-daemon20:45:583
266829962,3cyclictest30654-21snmpd23:35:333
266829962,3cyclictest30654-21snmpd20:51:343
266829962,3cyclictest30654-21snmpd20:25:033
266829962,3cyclictest30654-21snmpd20:10:093
266829962,3cyclictest30654-21snmpd19:54:393
266829962,3cyclictest30654-21snmpd19:42:003
266829962,3cyclictest26398-21cron20:20:003
266829962,3cyclictest21733-21cut23:25:163
266829962,3cyclictest19116-21gdbus00:25:013
266829962,3cyclictest19116-21gdbus00:25:003
266829962,3cyclictest14566-21cat00:05:163
266829962,3cyclictest12090-21cat21:50:173
266829962,3cyclictest11155-21head23:40:163
266829961,4cyclictest0-21swapper/300:26:293
266829961,3cyclictest19982-21systemd-journal22:00:393
266829961,3cyclictest19982-21systemd-journal21:23:063
266829960,6cyclictest0-21swapper/300:16:103
266829960,5cyclictest23703-21ssh21:35:563
266829960,3cyclictest27505-21ssh22:45:083
266799966,0cyclictest0-21swapper/221:30:212
266799966,0cyclictest0-21swapper/221:15:052
266799964,1cyclictest16358-21grep22:15:142
266799963,2cyclictest508-21dbus-daemon20:53:292
266799963,2cyclictest4510-21ntp_states23:35:172
266799963,2cyclictest30654-21snmpd20:35:312
266799963,2cyclictest30654-21snmpd20:35:302
266799963,2cyclictest29741-11brltty21:25:372
266799963,2cyclictest29124-21ls22:45:232
266799963,2cyclictest28108-21ssh22:23:012
266799963,2cyclictest27311-21fschecks_count19:10:122
266799963,2cyclictest24096-21ssh23:26:252
266799963,2cyclictest11736-21in:imuxsock20:58:292
266799963,2cyclictest11736-21in:imuxsock20:42:132
266799962,3cyclictest6239-21/usr/sbin/munin19:35:152
266799962,3cyclictest3422-21sshd19:26:012
266799962,3cyclictest29027-21sshd22:01:252
266799962,3cyclictest19165-21cat23:45:202
266799962,3cyclictest16564-21packagekitd23:00:002
266799962,3cyclictest1598-21tail22:05:142
266799962,3cyclictest12553-21expr00:30:122
266799962,3cyclictest11965-21awk19:45:182
266799962,3cyclictest11256-21cat23:40:182
266799962,3cyclictest0-21swapper/223:05:012
266799962,3cyclictest0-21swapper/200:05:112
266799962,1cyclictest0-21swapper/222:12:062
266799962,1cyclictest0-21swapper/200:35:352
266799961,3cyclictest19982-21systemd-journal22:28:122
266799960,6cyclictest0-21swapper/222:54:562
266799960,6cyclictest0-21swapper/222:42:112
266799960,6cyclictest0-21swapper/200:25:362
266799960,5cyclictest22030-21hddtemp_smartct21:35:172
266799960,4cyclictest19982-21systemd-journal19:30:542
266799960,2cyclictest890-21smart_sda23:55:172
266799960,2cyclictest12950-21/usr/sbin/munin19:50:122
266749963,2cyclictest7078-21df_inode21:25:141
266749963,2cyclictest32006-21cpu19:20:151
266749963,2cyclictest3188-21cat22:50:191
266749963,2cyclictest30654-21snmpd22:15:351
266749963,2cyclictest30654-21snmpd19:45:141
266749963,2cyclictest17665-21apt-get23:45:131
266749963,2cyclictest1-21systemd20:23:271
266749962,3cyclictest508-21dbus-daemon20:55:021
266749962,3cyclictest32376-21ntp_kernel_pll_23:10:211
266749962,3cyclictest31363-21seq21:41:111
266749962,3cyclictest30891-21cron20:34:551
266749962,3cyclictest30654-21snmpd23:40:521
266749962,3cyclictest30654-21snmpd23:30:181
266749962,3cyclictest30654-21snmpd21:35:471
266749962,3cyclictest30654-21snmpd19:55:591
266749962,3cyclictest25395-21tune2fs23:50:121
266749962,3cyclictest18963-21idleruntime00:35:161
266749962,3cyclictest16511-21sshd21:08:251
266749962,3cyclictest13095-21basename21:00:151
266749962,3cyclictest12197-21cat00:30:111
266749962,3cyclictest0-21swapper/123:06:531
266749962,1cyclictest0-21swapper/123:20:391
266749962,1cyclictest0-21swapper/122:41:261
266749962,1cyclictest0-21swapper/121:55:331
266749962,1cyclictest0-21swapper/121:50:121
266749962,1cyclictest0-21swapper/121:21:311
266749962,1cyclictest0-21swapper/100:25:171
266749960,6cyclictest0-21swapper/120:35:171
266749960,6cyclictest0-21swapper/120:35:171
266749960,5cyclictest5484-21ssh22:30:131
266749960,4cyclictest19982-21systemd-journal20:01:451
266749960,2cyclictest9670-21awk20:55:011
266749960,0cyclictest0-21swapper/121:16:121
266709963,2cyclictest8908-21diskstats19:40:170
266709963,2cyclictest4843-21ssh21:23:490
266709963,2cyclictest29741-11brltty23:45:220
266709963,2cyclictest29301-21df_inode20:25:120
266709963,2cyclictest27990-21find20:20:220
266709963,2cyclictest26084-21sshd20:16:080
266709963,2cyclictest24875-21cut21:15:150
266709963,2cyclictest0-21swapper/022:05:250
266709962,3cyclictest7661-21lldpd00:10:380
266709962,3cyclictest3539-21expr20:40:100
266709962,3cyclictest31751-21smartctl20:30:140
266709962,3cyclictest30654-21snmpd23:02:560
266709962,3cyclictest30654-21snmpd22:45:230
266709962,3cyclictest30654-21snmpd22:25:370
266709962,3cyclictest30654-21snmpd20:10:370
266709962,3cyclictest30654-21snmpd19:31:410
266709962,3cyclictest30654-21snmpd00:31:050
266709962,3cyclictest30654-21snmpd00:20:050
266709962,3cyclictest30654-21snmpd00:20:040
266709962,3cyclictest21446-21awk21:35:140
266709962,3cyclictest19982-21systemd-journal21:10:240
266709962,3cyclictest17748-21apt-get20:00:150
266709962,3cyclictest13081-21basename21:00:150
266709962,3cyclictest0-21swapper/023:15:150
266709962,2cyclictest19982-21systemd-journal23:07:000
266709962,1cyclictest0-21swapper/023:10:040
266709962,1cyclictest0-21swapper/022:00:440
266709962,1cyclictest0-21swapper/021:48:480
266709962,1cyclictest0-21swapper/000:05:080
266709961,3cyclictest19982-21systemd-journal20:45:340
266709961,3cyclictest19982-21systemd-journal19:17:570
266709961,2cyclictest17893-21ssh22:15:440
266709961,2cyclictest17438-21ssh21:31:550
266709960,3cyclictest31045-21rm21:40:540
266709960,2cyclictest28574-21/usr/sbin/munin23:30:130
266829952,2cyclictest508-21dbus-daemon19:10:013
266829952,2cyclictest31832-21cat20:30:143
266829952,2cyclictest30654-21snmpd19:55:063
266829951,3cyclictest31977-21/usr/sbin/munin19:20:153
266799952,2cyclictest8503-21basename19:40:152
266799952,2cyclictest616-21cat00:20:122
266799952,2cyclictest616-21cat00:20:122
266799952,2cyclictest5640-21cat20:45:132
266799952,2cyclictest28967-21cpu20:25:122
266799952,2cyclictest22296-21tr20:10:102
266799951,3cyclictest12696-21cat21:00:122
266799951,2cyclictest19982-21systemd-journal20:20:072
266799950,3cyclictest14913-21expr21:05:122
266749952,2cyclictest32250-21expr23:55:111
266749952,2cyclictest26837-21ssh00:15:091
266749952,2cyclictest24855-21grep20:15:141
266749952,2cyclictest19948-21seq20:05:091
266749952,2cyclictest11736-21in:imuxsock19:42:091
266749951,3cyclictest30654-21snmpd19:10:051
266749951,3cyclictest29291-21munin-node19:15:011
266749951,3cyclictest29164-21cat20:25:121
266749950,3cyclictest19982-21systemd-journal19:35:031
266709952,2cyclictest20298-21ls20:05:140
266709951,3cyclictest6732-21fschecks_time19:35:130
266709951,3cyclictest30654-21snmpd19:25:080
266709950,4cyclictest9641-21apt-get20:55:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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