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2025-11-27 - 19:38
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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 all highest latencies:
System rackaslot8.osadl.org (updated Thu Nov 27, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151202271239,20sleep10-21swapper/107:09:211
151492266234,20sleep00-21swapper/007:09:440
148722263225,23sleep20-21swapper/207:06:092
132062260229,19sleep30-21swapper/307:05:093
48462680,0sleep20-21swapper/212:30:282
142262620,0sleep30-21swapper/309:42:473
214232590,0sleep20-21swapper/211:34:462
304272570,0sleep00-21swapper/011:40:280
182882570,0sleep00-21swapper/009:45:200
14762550,0sleep20-21swapper/212:08:492
50252540,0sleep10-21swapper/110:55:001
166272540,0sleep10-21swapper/112:38:081
90202150,0sleep30-21swapper/310:30:553
213762140,0sleep10-21swapper/109:22:301
199992140,0sleep00-21swapper/009:20:410
107652140,0sleep10-21swapper/112:15:131
149382130,0sleep30-21swapper/312:36:503
57072120,0sleep00-21swapper/012:11:160
7995290,1sleep30-21swapper/310:04:143
29481290,0sleep10-21swapper/110:21:211
17586290,0sleep20-21swapper/211:05:182
152959997,2cyclictest34-21ksoftirqd/309:30:003
152959994,3cyclictest19982-21systemd-journal12:33:373
152829995,3cyclictest11736-21in:imuxsock08:24:580
7250280,0sleep30-21swapper/312:12:343
152959987,1cyclictest34-21ksoftirqd/311:40:013
152959986,2cyclictest34-21ksoftirqd/310:00:023
152959984,3cyclictest19982-21systemd-journal10:56:013
152959983,3cyclictest19982-21systemd-journal11:06:123
152959983,3cyclictest19982-21systemd-journal07:10:163
152959980,7cyclictest22823-21cron09:50:023
152919983,3cyclictest19982-21systemd-journal08:30:282
152879984,3cyclictest19982-21systemd-journal10:35:331
152879984,3cyclictest19982-21systemd-journal10:05:051
152879984,3cyclictest15204-21df10:10:141
152879984,2cyclictest502-21systemd-logind11:13:311
152879984,2cyclictest11736-21in:imuxsock10:33:281
152829984,3cyclictest19982-21systemd-journal11:55:010
152829984,3cyclictest19982-21systemd-journal08:32:530
152829983,3cyclictest19982-21systemd-journal12:25:400
152829983,3cyclictest19982-21systemd-journal10:00:430
152829983,1cyclictest0-21swapper/010:45:580
152959976,1cyclictest34-21ksoftirqd/307:15:003
152959974,2cyclictest508-21dbus-daemon11:43:083
152959974,2cyclictest508-21dbus-daemon10:27:363
152959974,2cyclictest508-21dbus-daemon09:21:163
152959974,2cyclictest508-21dbus-daemon08:10:023
152959974,2cyclictest15534-21ntpq11:55:173
152959974,2cyclictest11736-21in:imuxsock07:29:293
152959973,3cyclictest7661-21lldpd10:16:523
152959973,3cyclictest6457-21apt-get08:00:093
152959973,3cyclictest508-21dbus-daemon09:50:303
152959973,3cyclictest30654-21snmpd09:15:433
152959973,3cyclictest29741-11brltty10:49:193
152959973,3cyclictest29741-11brltty07:48:403
152959973,3cyclictest22771-21diskstats08:35:113
152959973,3cyclictest19982-21systemd-journal10:24:553
152959973,3cyclictest19935-21ntpq12:20:153
152959973,3cyclictest0-21swapper/312:16:293
152959972,4cyclictest30654-21snmpd09:35:313
152959971,4cyclictest31863-21ssh12:27:383
152919973,3cyclictest30678-21sed09:30:162
152919973,3cyclictest30654-21snmpd11:11:382
152919973,3cyclictest30654-21snmpd10:25:232
152919973,3cyclictest29741-11brltty09:37:082
152919973,3cyclictest27198-21df10:20:132
152919973,3cyclictest19982-21systemd-journal12:38:132
152919973,3cyclictest19982-21systemd-journal08:55:252
152919973,3cyclictest19982-21systemd-journal07:57:122
152919973,3cyclictest19116-21gdbus11:55:012
152919973,3cyclictest17272-21sshd10:38:132
152919973,1cyclictest0-21swapper/212:29:192
152919972,3cyclictest19982-21systemd-journal09:08:212
152919972,3cyclictest19982-21systemd-journal08:40:082
152919972,3cyclictest19982-21systemd-journal08:39:592
152919972,1cyclictest0-21swapper/212:13:152
152919971,4cyclictest19982-21systemd-journal07:34:542
152919970,4cyclictest11736-21in:imuxsock07:30:012
152919970,4cyclictest10254-21sendmail11:00:002
152919970,3cyclictest4919-21sshd11:46:172
152919970,3cyclictest19982-21systemd-journal08:05:212
152879974,2cyclictest22-21ksoftirqd/109:00:001
152879974,2cyclictest22-21ksoftirqd/107:55:011
152879974,2cyclictest11736-21in:imuxsock11:07:151
152879973,3cyclictest508-21dbus-daemon08:21:121
152879973,3cyclictest19982-21systemd-journal12:06:251
152879973,3cyclictest19982-21systemd-journal11:26:271
152879973,3cyclictest19982-21systemd-journal08:02:011
152879973,3cyclictest0-21swapper/111:20:171
152879973,3cyclictest0-21swapper/109:15:451
152879973,1cyclictest0-21swapper/110:40:151
152879972,3cyclictest19982-21systemd-journal08:10:011
152879970,4cyclictest31087-21idleruntime-cro08:55:001
152829974,2cyclictest502-21systemd-logind12:22:460
152829973,3cyclictest508-21dbus-daemon12:03:350
152829973,3cyclictest508-21dbus-daemon11:35:370
152829973,3cyclictest30654-21snmpd10:05:310
152829973,3cyclictest27302-21apt-get07:35:110
152829973,3cyclictest20996-21df07:20:140
152829973,3cyclictest0-21swapper/012:32:310
152829973,3cyclictest0-21swapper/011:27:520
152829973,3cyclictest0-21swapper/010:59:020
152829973,2cyclictest19982-21systemd-journal10:35:490
152829973,2cyclictest19982-21systemd-journal09:10:160
152829973,1cyclictest0-21swapper/011:08:130
152829973,1cyclictest0-21swapper/009:17:580
152829972,4cyclictest30654-21snmpd09:07:490
152829972,2cyclictest8093-21perf11:50:000
152829971,3cyclictest17908-21rm12:19:390
152829970,4cyclictest4898-21turbostat10:55:010
152959964,1cyclictest6875-21sshd09:10:163
152959963,2cyclictest870-21ssh11:18:133
152959963,2cyclictest3095-21interrupts11:45:163
152959963,2cyclictest30654-21snmpd07:54:473
152959963,2cyclictest29741-11brltty08:05:223
152959963,2cyclictest27267-21sshd07:35:093
152959963,2cyclictest21883-21awk12:00:153
152959963,2cyclictest20729-21expr08:30:143
152959963,2cyclictest17557-21ssh10:38:373
152959963,1cyclictest141rcu_preempt09:30:133
152959962,3cyclictest31282-21expr10:50:133
152959962,3cyclictest30654-21snmpd11:30:123
152959962,3cyclictest30654-21snmpd11:00:203
152959962,3cyclictest29210-21cat12:05:153
152959962,3cyclictest19982-21systemd-journal08:52:053
152959962,3cyclictest19874-21cat10:40:153
152959962,3cyclictest16378-21cat08:20:133
152959962,3cyclictest14886-21cat10:10:153
152959962,3cyclictest10006-21grep11:50:203
152959962,1cyclictest4049-21open_files11:20:183
152959961,4cyclictest0-21swapper/308:40:133
152959961,3cyclictest19982-21systemd-journal11:25:373
152959961,3cyclictest19982-21systemd-journal11:12:153
152959960,3cyclictest12050-21rm10:07:123
152959960,0cyclictest0-21swapper/307:30:043
152919963,2cyclictest668-21runrttasks10:11:082
152919963,2cyclictest5358-21diskmemload10:05:462
152919963,2cyclictest5358-21diskmemload09:46:042
152919963,2cyclictest5358-21diskmemload09:21:002
152919963,2cyclictest3656-21idleruntime10:00:162
152919963,2cyclictest3174-21cat09:05:012
152919963,2cyclictest30820-21sshd09:55:492
152919963,2cyclictest30654-21snmpd08:16:032
152919963,2cyclictest30654-21snmpd08:01:352
152919963,2cyclictest29631-21cron09:30:002
152919963,2cyclictest27098-21sh11:38:522
152919963,2cyclictest21889-21sh10:41:342
152919963,2cyclictest17312-21sshd08:20:402
152919963,2cyclictest13987-21rm11:02:122
152919963,2cyclictest12850-21chrt08:10:522
152919963,2cyclictest10510-21ssh12:15:072
152919962,3cyclictest9981-21cat11:25:182
152919962,3cyclictest5164-21ntpd09:50:172
152919962,3cyclictest508-21dbus-daemon11:20:012
152919962,3cyclictest30654-21snmpd08:28:562
152919962,3cyclictest29741-11brltty07:45:442
152919962,3cyclictest28824-21cat11:40:132
152919962,3cyclictest27982-21cat07:35:152
152919962,3cyclictest20576-21sshd07:20:052
152919962,3cyclictest19763-21ls07:15:212
152919962,3cyclictest19489-21sed12:20:142
152919962,3cyclictest12341-21expr09:15:112
152919962,3cyclictest1-21systemd08:52:302
152919962,3cyclictest10542-21expr09:40:142
152919962,3cyclictest0-21swapper/212:00:092
152919962,3cyclictest0-21swapper/210:16:522
152919962,3cyclictest0-21swapper/209:10:072
152919962,1cyclictest0-21swapper/211:20:412
152919961,3cyclictest19982-21systemd-journal11:55:122
152919960,5cyclictest6782-21ssh10:30:122
152919960,5cyclictest31723-21hddtemp_smartct10:50:142
152879964,1cyclictest29343-21irqstats11:40:151
152879964,1cyclictest24287-21ls09:25:131
152879963,2cyclictest765-21cron11:17:011
152879963,2cyclictest668-21runrttasks11:46:241
152879963,2cyclictest5782-21apt-config09:10:001
152879963,2cyclictest3981-21ntpq10:00:161
152879963,2cyclictest30431-21ssh12:26:341
152879963,2cyclictest2737-21ssh12:30:031
152879963,2cyclictest24945-21latency_hist07:30:011
152879963,2cyclictest22363-21/usr/sbin/munin08:35:161
152879963,2cyclictest16898-21timerwakeupswit07:10:211
152879963,2cyclictest0-21swapper/107:45:151
152879962,3cyclictest3936-21cut12:10:161
152879962,3cyclictest30876-21cat09:30:171
152879962,3cyclictest30654-21snmpd11:31:541
152879962,3cyclictest30654-21snmpd09:50:131
152879962,3cyclictest30654-21snmpd09:01:211
152879962,3cyclictest30654-21snmpd08:16:391
152879962,3cyclictest30654-21snmpd07:20:551
152879962,3cyclictest30324-21cat07:40:171
152879962,3cyclictest28151-21cat07:35:151
152879962,3cyclictest27495-21cat08:45:181
152879962,3cyclictest20553-21/usr/sbin/munin08:30:121
152879962,3cyclictest17455-21cat09:45:161
152879962,3cyclictest12559-21cat08:10:191
152879962,3cyclictest1-21systemd10:15:071
152879962,3cyclictest1-21systemd08:42:041
152879962,3cyclictest11592-21ntp_kernel_err11:00:171
152879962,3cyclictest0-21swapper/112:20:331
152879962,3cyclictest0-21swapper/110:26:051
152879962,1cyclictest0-21swapper/112:02:371
152879962,1cyclictest0-21swapper/110:58:011
152879962,1cyclictest0-21swapper/109:35:051
152879961,3cyclictest19982-21systemd-journal11:35:121
152879961,2cyclictest30263-21ssh10:49:281
152879961,2cyclictest11367-21ssh11:51:531
152879960,6cyclictest0-21swapper/111:55:281
152879960,6cyclictest0-21swapper/109:58:191
152879960,6cyclictest0-21swapper/108:25:121
152829964,1cyclictest24628-21sed09:25:150
152829963,2cyclictest9087-21forks08:05:120
152829963,2cyclictest7549-21uname10:30:150
152829963,2cyclictest30654-21snmpd08:45:370
152829963,2cyclictest29741-11brltty09:30:280
152829963,2cyclictest23115-21expr07:25:110
152829963,2cyclictest21243-21cat10:15:150
152829963,2cyclictest19982-21systemd-journal07:19:560
152829963,2cyclictest1412-21expr09:00:100
152829963,2cyclictest12033-21kernelversion12:35:140
152829963,2cyclictest11736-21in:imuxsock10:40:360
152829963,2cyclictest0-21swapper/011:18:230
152829963,1cyclictest0-21swapper/011:00:310
152829962,3cyclictest508-21dbus-daemon07:50:010
152829962,3cyclictest30654-21snmpd12:05:100
152829962,3cyclictest30654-21snmpd11:10:120
152829962,3cyclictest30654-21snmpd09:35:590
152829962,3cyclictest30654-21snmpd08:39:000
152829962,3cyclictest30654-21snmpd07:57:320
152829962,3cyclictest29741-11brltty08:42:290
152829962,3cyclictest29647-21basename07:40:140
152829962,3cyclictest15249-21cat11:55:150
152829962,3cyclictest13812-21expr08:15:120
152829962,3cyclictest10474-21expr09:40:140
152829962,1cyclictest0-21swapper/010:25:290
152829962,1cyclictest0-21swapper/009:55:020
152829962,1cyclictest0-21swapper/009:52:280
152829961,3cyclictest19982-21systemd-journal10:12:110
152829961,3cyclictest19982-21systemd-journal08:54:340
152829961,2cyclictest15604-21ssh11:30:110
152829960,6cyclictest0-21swapper/011:20:050
152829960,6cyclictest0-21swapper/008:00:170
152829960,5cyclictest27465-21idleruntime10:20:150
152829960,2cyclictest11193-21/usr/sbin/munin08:10:190
152959953,1cyclictest0-21swapper/309:00:103
152959952,2cyclictest4345-21ntpq09:05:173
152959952,2cyclictest31325-21basename08:55:113
152959952,2cyclictest30654-21snmpd07:55:013
152959952,2cyclictest30197-21head07:40:173
152959952,2cyclictest26965-21cpuspeed_turbos08:45:153
152959952,2cyclictest18829-21netstat08:25:153
152959951,2cyclictest19982-21systemd-journal08:15:073
152959950,3cyclictest19982-21systemd-journal07:20:043
152919952,2cyclictest30056-21entropy07:40:162
152919952,2cyclictest27569-21irqstats08:45:192
152919951,3cyclictest1959-21cat07:50:162
152919950,3cyclictest19982-21systemd-journal10:45:092
152919950,2cyclictest15909-21sshd07:10:142
152879952,2cyclictest3566-21cat09:05:091
152879952,2cyclictest25022-21chrt07:30:031
152879952,2cyclictest17765-21munin-node07:15:011
152879952,2cyclictest10142-21ssh09:40:021
152879950,1cyclictest4178-21/usr/sbin/munin07:55:111
152829952,2cyclictest30654-21snmpd08:25:030
152829952,2cyclictest25284-21cat07:30:120
152829952,2cyclictest2070-21df_inode07:50:170
152829952,2cyclictest16547-21tr07:10:190
152829950,4cyclictest31301-21taskset08:55:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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