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2025-07-14 - 23:03
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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 Mon Jul 14, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77252328294,21sleep20-21swapper/207:07:052
76102282214,21sleep30-21swapper/307:05:373
78462260228,20sleep00-21swapper/007:08:390
79242258225,22sleep10-21swapper/107:09:411
94542580,0sleep20-21swapper/207:10:172
139002550,0sleep20-21swapper/209:24:392
99052400,0sleep30-21swapper/312:00:013
240852250,0sleep30-21swapper/309:32:403
166722150,0sleep10-21swapper/107:25:221
73232140,0sleep10-21swapper/111:32:481
316242130,0sleep10-21swapper/111:51:021
176152130,0sleep30-21swapper/309:26:483
302182120,0sleep30-21swapper/311:25:013
806099104,4cyclictest9643-21turbostat12:00:000
250962100,1sleep30-21swapper/310:25:193
80759994,3cyclictest19982-21systemd-journal11:57:103
80609994,3cyclictest19982-21systemd-journal12:02:360
80759983,3cyclictest19982-21systemd-journal08:50:143
80759983,3cyclictest19982-21systemd-journal07:21:503
80689985,2cyclictest11736-21in:imuxsock09:11:072
80689983,4cyclictest30654-21snmpd11:59:012
80689981,4cyclictest3082-21ls08:10:002
80659985,2cyclictest1-21systemd11:03:231
80659985,2cyclictest1-21systemd11:03:221
80659984,3cyclictest19982-21systemd-journal10:02:021
80659983,3cyclictest19982-21systemd-journal10:12:281
80659983,3cyclictest19982-21systemd-journal09:11:571
80659983,3cyclictest19982-21systemd-journal08:36:301
80659983,3cyclictest19982-21systemd-journal07:10:191
80609987,1cyclictest12-21ksoftirqd/012:25:000
80609987,1cyclictest12-21ksoftirqd/010:05:020
80609984,3cyclictest19982-21systemd-journal09:18:380
80609984,3cyclictest19982-21systemd-journal08:20:250
80609983,3cyclictest19982-21systemd-journal10:15:010
80609983,3cyclictest19982-21systemd-journal09:36:350
80609983,3cyclictest19982-21systemd-journal08:30:000
17610280,0sleep017612-21fschecks_time12:05:140
11559280,0sleep10-21swapper/110:40:231
80759974,2cyclictest508-21dbus-daemon10:59:123
80759974,2cyclictest16472-21tr08:40:003
80759974,2cyclictest11736-21in:imuxsock08:19:493
80759973,3cyclictest8386-21cat07:10:113
80759973,3cyclictest508-21dbus-daemon08:42:203
80759973,3cyclictest502-21systemd-logind09:21:583
80759973,3cyclictest25093-21apt-get10:00:133
80759973,3cyclictest19982-21systemd-journal11:21:063
80759973,3cyclictest19982-21systemd-journal09:17:483
80759973,3cyclictest19982-21systemd-journal07:54:423
80759973,3cyclictest19982-21systemd-journal07:25:233
80759973,3cyclictest19012-21ntpq11:15:213
80759973,2cyclictest502-21systemd-logind09:05:173
80759973,2cyclictest19982-21systemd-journal12:31:483
80759972,4cyclictest4672-21ls11:30:163
80759972,3cyclictest7661-21lldpd08:29:213
80759972,3cyclictest19982-21systemd-journal12:23:493
80759972,3cyclictest19982-21systemd-journal08:11:433
80759970,2cyclictest6921-21diskstats09:45:143
80689974,2cyclictest668-21runrttasks09:35:122
80689974,2cyclictest508-21dbus-daemon10:57:312
80689973,3cyclictest508-21dbus-daemon12:20:002
80689973,3cyclictest4787-21ntpq11:30:172
80689973,3cyclictest30654-21snmpd08:39:192
80689973,3cyclictest30654-21snmpd08:13:062
80689973,3cyclictest19982-21systemd-journal12:25:212
80689973,3cyclictest19982-21systemd-journal11:30:002
80689973,3cyclictest19982-21systemd-journal11:10:282
80689973,3cyclictest19982-21systemd-journal09:51:122
80689973,3cyclictest1-21systemd10:16:392
80689973,3cyclictest0-21swapper/211:36:082
80689973,1cyclictest0-21swapper/212:30:302
80689973,1cyclictest0-21swapper/212:20:152
80689973,1cyclictest0-21swapper/212:11:202
80689973,1cyclictest0-21swapper/209:41:232
80689972,3cyclictest19982-21systemd-journal11:17:092
80689972,3cyclictest19982-21systemd-journal10:10:162
80689972,3cyclictest19982-21systemd-journal09:57:522
80689972,3cyclictest19982-21systemd-journal08:05:002
80689972,3cyclictest19982-21systemd-journal07:20:022
80659976,1cyclictest0-21swapper/110:07:371
80659974,2cyclictest29741-11brltty08:46:561
80659974,2cyclictest18281-21users08:40:231
80659973,3cyclictest29196-21sshd10:56:051
80659973,3cyclictest0-21swapper/112:04:431
80659973,1cyclictest0-21swapper/111:36:011
80659973,1cyclictest0-21swapper/110:38:321
80659973,1cyclictest0-21swapper/109:42:151
80659973,1cyclictest0-21swapper/109:39:221
80659972,4cyclictest4031-21grep11:55:181
80659972,3cyclictest19982-21systemd-journal09:08:381
80659972,3cyclictest19982-21systemd-journal08:25:361
80659970,6cyclictest12168-21perf12:25:001
80609974,2cyclictest11736-21in:imuxsock09:35:000
80609973,3cyclictest30654-21snmpd09:07:550
80609973,3cyclictest19982-21systemd-journal10:30:250
80609973,3cyclictest19982-21systemd-journal08:13:580
80609973,3cyclictest16083-21sshd08:35:420
80609973,3cyclictest10833-21cat11:35:200
80609973,3cyclictest0-21swapper/012:12:220
80609973,3cyclictest0-21swapper/011:46:470
80609973,3cyclictest0-21swapper/009:45:240
80609973,1cyclictest0-21swapper/010:59:220
80609973,1cyclictest0-21swapper/010:16:170
80609972,3cyclictest19982-21systemd-journal08:15:010
13080270,6sleep013130-21perf07:20:010
80759964,1cyclictest19781-21munin-run07:35:003
80759963,2cyclictest9760-21ssh11:35:123
80759963,2cyclictest961-21expr09:40:173
80759963,2cyclictest508-21dbus-daemon09:10:423
80759963,2cyclictest30654-21snmpd11:41:073
80759963,2cyclictest30654-21snmpd10:13:013
80759963,2cyclictest30654-21snmpd09:37:173
80759963,2cyclictest27667-21ssh12:12:093
80759963,2cyclictest19982-21systemd-journal09:50:223
80759963,2cyclictest17731-21sh10:20:053
80759963,2cyclictest14027-21sshd08:32:423
80759963,2cyclictest11107-21sshd07:15:143
80759963,2cyclictest1012-21ssh12:16:023
80759963,1cyclictest0-21swapper/312:37:583
80759962,3cyclictest30654-21snmpd11:00:563
80759962,3cyclictest30654-21snmpd11:00:563
80759962,3cyclictest30654-21snmpd10:40:053
80759962,3cyclictest30654-21snmpd09:00:283
80759962,3cyclictest30654-21snmpd08:01:123
80759962,3cyclictest30654-21snmpd07:55:053
80759962,3cyclictest30654-21snmpd07:47:023
80759962,3cyclictest19440-21cat09:55:163
80759962,3cyclictest18958-21apt-get08:45:153
80759962,3cyclictest13341-21cat12:25:153
80759962,3cyclictest1-21systemd10:05:483
80759962,2cyclictest4551-21sed10:35:193
80759962,1cyclictest0-21swapper/310:50:083
80759961,4cyclictest15781-21apt-get10:45:123
80759961,3cyclictest19982-21systemd-journal11:52:353
80759961,3cyclictest19982-21systemd-journal07:40:363
80759961,3cyclictest19982-21systemd-journal07:35:103
80759961,1cyclictest11701-21apt-get10:15:133
80759960,5cyclictest30517-21expr10:30:183
80759960,4cyclictest24190-21/usr/sbin/munin08:55:163
80759960,3cyclictest25302-21ssh11:46:323
80759960,3cyclictest19905-21ssh12:06:233
80689963,2cyclictest7059-21rm10:37:132
80689963,2cyclictest508-21dbus-daemon10:03:432
80689963,2cyclictest508-21dbus-daemon08:56:062
80689963,2cyclictest30654-21snmpd11:40:072
80689963,2cyclictest30654-21snmpd11:05:032
80689963,2cyclictest30654-21snmpd08:47:372
80689963,2cyclictest27374-21cut12:35:152
80689963,2cyclictest26853-21apt-get07:50:122
80689963,2cyclictest26836-21ssh11:21:262
80689963,2cyclictest23355-21sshd07:40:252
80689963,2cyclictest15126-21tune2fs09:25:172
80689963,2cyclictest13469-21sensors_temp08:30:212
80689962,3cyclictest7661-21lldpd09:30:392
80689962,3cyclictest32309-21cron11:00:022
80689962,3cyclictest32309-21cron11:00:022
80689962,3cyclictest31828-21cat10:05:172
80689962,3cyclictest30654-21snmpd12:02:282
80689962,3cyclictest30654-21snmpd10:31:532
80689962,3cyclictest30654-21snmpd10:27:502
80689962,3cyclictest30654-21snmpd07:45:412
80689962,3cyclictest30654-21snmpd07:35:232
80689962,3cyclictest30654-21snmpd07:16:532
80689962,3cyclictest27290-21seq09:01:142
80689962,3cyclictest19982-21systemd-journal10:41:032
80689962,3cyclictest17405-21cat08:40:182
80689962,3cyclictest17366-21seq07:27:532
80689962,3cyclictest1-21systemd07:32:152
80689962,2cyclictest15971-21cat10:45:132
80689962,2cyclictest11736-21in:imuxsock08:21:542
80689962,1cyclictest0-21swapper/212:08:162
80689962,1cyclictest0-21swapper/211:46:232
80689962,1cyclictest0-21swapper/210:50:542
80689961,4cyclictest0-21swapper/210:20:422
80689960,2cyclictest3211-21/usr/sbin/munin09:15:212
80689960,0cyclictest0-21swapper/211:54:142
80659963,2cyclictest508-21dbus-daemon08:15:381
80659963,2cyclictest30654-21snmpd07:42:171
80659963,2cyclictest30654-21snmpd07:18:441
80659963,2cyclictest19982-21systemd-journal08:52:211
80659963,2cyclictest17392-21sh11:40:231
80659963,2cyclictest11736-21in:imuxsock08:31:551
80659963,2cyclictest0-21swapper/109:56:221
80659963,1cyclictest0-21swapper/109:48:421
80659963,1cyclictest0-21swapper/109:21:251
80659962,3cyclictest4100-21grep08:10:191
80659962,3cyclictest30654-21snmpd11:25:181
80659962,3cyclictest30654-21snmpd10:45:111
80659962,3cyclictest30654-21snmpd08:07:061
80659962,3cyclictest30654-21snmpd07:35:141
80659962,3cyclictest30654-21snmpd07:30:321
80659962,3cyclictest25787-21awk11:20:231
80659962,3cyclictest25632-21sed07:45:211
80659962,3cyclictest13272-21cat12:25:141
80659962,3cyclictest12819-21cat11:10:161
80659962,3cyclictest0-21swapper/109:50:341
80659962,3cyclictest0-21swapper/109:15:121
80659962,1cyclictest0-21swapper/112:18:051
80659962,1cyclictest0-21swapper/111:47:321
80659962,1cyclictest0-21swapper/111:06:121
80659962,1cyclictest0-21swapper/110:16:151
80659961,4cyclictest29741-11brltty10:54:361
80659961,3cyclictest19982-21systemd-journal12:30:331
80659961,2cyclictest25760-21ssh09:34:311
80659960,6cyclictest0-21swapper/109:29:131
80659960,5cyclictest1-21systemd12:05:051
80659960,4cyclictest19982-21systemd-journal10:25:491
80659960,2cyclictest7661-21lldpd12:36:591
80659960,2cyclictest7661-21lldpd08:20:261
80609963,2cyclictest9696-21ntp_offset09:20:180
80609963,2cyclictest668-21runrttasks09:55:570
80609963,2cyclictest31826-21sh09:10:270
80609963,2cyclictest19348-21ssh11:42:280
80609963,2cyclictest17963-21cut07:30:130
80609963,2cyclictest17776-21sh10:20:090
80609963,2cyclictest14227-21sshd11:10:520
80609963,2cyclictest13199-21gltestperf12:25:140
80609963,2cyclictest11736-21in:imuxsock11:25:030
80609963,2cyclictest0-21swapper/009:50:200
80609962,3cyclictest30654-21snmpd11:51:580
80609962,3cyclictest30654-21snmpd10:48:380
80609962,3cyclictest30654-21snmpd08:30:270
80609962,3cyclictest30654-21snmpd07:58:020
80609962,3cyclictest30654-21snmpd07:12:050
80609962,3cyclictest25276-21if_enp4s007:45:180
80609962,3cyclictest24189-21apt11:20:150
80609962,3cyclictest22841-21smart_sda10:50:200
80609962,3cyclictest21178-21apt-get08:50:140
80609962,3cyclictest20413-21expr07:35:160
80609962,3cyclictest19982-21systemd-journal09:40:210
80609962,3cyclictest19982-21systemd-journal08:00:320
80609962,3cyclictest19982-21systemd-journal07:50:160
80609962,3cyclictest19982-21systemd-journal07:41:420
80609962,3cyclictest10318-21expr10:40:140
80609962,3cyclictest0-21swapper/012:30:430
80609962,1cyclictest0-21swapper/011:05:090
80609961,3cyclictest19982-21systemd-journal09:25:440
80609961,3cyclictest19982-21systemd-journal08:47:210
80609961,2cyclictest5514-21ssh11:30:320
80609960,6cyclictest0-21swapper/012:35:060
80609960,6cyclictest0-21swapper/012:16:130
80609960,4cyclictest19982-21systemd-journal08:43:110
80609960,3cyclictest3132-21rm11:01:570
80609960,3cyclictest3132-21rm11:01:570
80609960,0cyclictest0-21swapper/011:19:270
80759953,1cyclictest1325-21cstates08:05:153
80759952,2cyclictest6966-21cat11:05:163
80759951,2cyclictest19982-21systemd-journal11:10:023
80759951,2cyclictest19982-21systemd-journal08:20:153
80689953,1cyclictest0-21swapper/209:45:022
80689952,2cyclictest30654-21snmpd08:15:062
80689952,2cyclictest29297-21expr07:55:132
80689952,2cyclictest28164-21cat09:05:152
80689951,3cyclictest21849-21cat08:50:172
80689951,2cyclictest19982-21systemd-journal08:25:142
80659953,1cyclictest17442-21latency_hist10:20:011
80659952,2cyclictest30654-21snmpd08:00:131
80659952,2cyclictest30038-21sh10:30:041
80659952,2cyclictest27512-21cat07:50:151
80659952,2cyclictest23731-21cat08:55:131
80659951,3cyclictest30654-21snmpd07:20:051
80659951,3cyclictest26266-21ls09:00:171
80659951,3cyclictest18222-21cat11:15:171
80659950,3cyclictest19982-21systemd-journal12:10:061
80609953,1cyclictest4076-21cpuspeed_turbos10:35:160
80609952,2cyclictest30654-21snmpd10:05:080
80609952,2cyclictest30654-21snmpd09:00:130
80609952,2cyclictest25136-21sed10:25:190
80609952,2cyclictest23760-21expr08:55:130
80609952,2cyclictest1801-21interrupts08:05:170
80609952,2cyclictest15947-21expr07:25:170
80609952,2cyclictest13354-21sshd07:20:140
29081250,0sleep10-21swapper/107:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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