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2026-08-01 - 08:43
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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 Sat Aug 01, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317732306281,16sleep20-21swapper/219:06:422
319042283252,20sleep10-21swapper/119:08:211
319942265238,18sleep30-21swapper/319:09:323
317762256224,22sleep00-21swapper/019:06:450
202432620,0sleep20-21swapper/222:25:192
91352600,0sleep20-21swapper/221:20:192
36402600,0sleep10-21swapper/122:35:161
96282580,0sleep20-21swapper/222:59:072
76842550,0sleep20-21swapper/222:18:262
25612550,0sleep30-21swapper/321:16:243
7662440,0sleep10-21swapper/123:52:031
291802170,0sleep00-21swapper/000:10:070
68952160,0sleep10-21swapper/122:17:491
233372160,0sleep00-21swapper/022:08:270
160362160,0sleep00-21swapper/023:22:030
185332150,0sleep10-21swapper/123:24:011
322402140,0sleep10-21swapper/121:54:231
318752140,0sleep20-21swapper/223:11:592
166012130,0sleep10-21swapper/122:43:281
148892130,0sleep00-21swapper/000:38:510
3214199115,4cyclictest275-21systemd-journal21:47:563
256312110,1sleep012-21ksoftirqd/021:10:320
185782100,0sleep00-21swapper/000:22:060
18533290,3sleep012-21ksoftirqd/021:26:020
321419985,2cyclictest14040-21systemd-udevd20:47:273
321389984,1cyclictest621-21munin-run21:55:012
321339986,1cyclictest22-21ksoftirqd/121:45:021
27336280,0chrt0-21swapper/123:29:291
22019280,0sleep30-21swapper/323:05:453
4402270,0sleep30-21swapper/321:56:343
321419973,3cyclictest658-21snmpd23:04:423
321419973,3cyclictest658-21snmpd19:41:463
321419973,3cyclictest28186-21find23:30:003
321419973,3cyclictest275-21systemd-journal00:18:203
321419970,0cyclictest50850irq/136-enp4s0-21:53:423
321389974,2cyclictest16961-21ntp_states21:25:152
321389973,3cyclictest658-21snmpd21:48:492
321389973,1cyclictest0-21swapper/221:35:162
321389970,1cyclictest3307-21ssh00:31:492
321339976,1cyclictest22-21ksoftirqd/100:30:001
321339975,1cyclictest5609-21apt-get00:15:101
321339975,1cyclictest22-21ksoftirqd/123:00:001
321339973,3cyclictest275-21systemd-journal22:52:431
321339973,3cyclictest275-21systemd-journal21:35:251
321339970,4cyclictest21493-21munin-run00:05:001
321339970,1cyclictest13170-21ssh21:23:141
321299973,3cyclictest275-21systemd-journal22:36:480
321299973,3cyclictest275-21systemd-journal21:16:330
321299973,2cyclictest275-21systemd-journal22:04:330
321299970,4cyclictest13901-21turbostat00:20:010
29676270,1sleep132123-21cyclictest21:33:041
21252270,0sleep30-21swapper/300:24:013
321419966,0cyclictest0-21swapper/321:25:123
321419964,1cyclictest29845-21grep23:50:143
321419964,1cyclictest13677-21df00:00:133
321419963,2cyclictest6879-21ssh22:37:153
321419963,2cyclictest658-21snmpd23:37:213
321419963,2cyclictest658-21snmpd20:01:473
321419963,2cyclictest504-21dbus-daemon20:22:483
321419963,2cyclictest504-21dbus-daemon20:22:483
321419963,2cyclictest492-21hwlatdetect19:10:143
321419963,2cyclictest29152-21grep23:10:193
321419963,2cyclictest27155-21sh22:50:083
321419963,2cyclictest24240-21ntp_states00:25:183
321419963,2cyclictest21682-21sh22:46:023
321419963,2cyclictest13403-21ssh22:40:573
321419963,1cyclictest0-21swapper/323:40:303
321419963,1cyclictest0-21swapper/322:03:523
321419963,1cyclictest0-21swapper/321:41:413
321419962,3cyclictest930-21cat21:35:143
321419962,3cyclictest658-21snmpd23:48:273
321419962,3cyclictest658-21snmpd23:30:093
321419962,3cyclictest658-21snmpd23:16:303
321419962,3cyclictest658-21snmpd22:05:103
321419962,3cyclictest658-21snmpd21:05:593
321419962,3cyclictest658-21snmpd21:04:533
321419962,3cyclictest658-21snmpd20:58:593
321419962,3cyclictest658-21snmpd20:11:033
321419962,3cyclictest658-21snmpd20:07:063
321419962,3cyclictest658-21snmpd19:59:263
321419962,3cyclictest658-21snmpd19:47:583
321419962,3cyclictest658-21snmpd19:18:053
321419962,3cyclictest658-21snmpd00:33:353
321419962,3cyclictest6545-21ntpq20:30:173
321419962,3cyclictest6055-21wc19:20:173
321419962,3cyclictest275-21systemd-journal20:51:273
321419962,3cyclictest275-21systemd-journal20:42:273
321419962,3cyclictest275-21systemd-journal19:39:513
321419962,3cyclictest19019-21cat22:25:133
321419962,3cyclictest10866-21date23:00:013
321419962,3cyclictest0-21swapper/323:21:093
321419962,1cyclictest0-21swapper/322:24:123
321419962,1cyclictest0-21swapper/322:24:123
321419961,4cyclictest7985-21tr20:35:143
321419961,3cyclictest275-21systemd-journal20:26:243
321419961,2cyclictest7915-21ssh21:20:133
321419960,6cyclictest0-21swapper/322:32:193
321419960,6cyclictest0-21swapper/300:11:123
321419960,5cyclictest24431-21apt-get21:30:113
321389964,1cyclictest19471-21fw_packets21:00:142
321389963,2cyclictest7800-21ssh22:37:592
321389963,2cyclictest658-21snmpd19:46:012
321389963,2cyclictest6414-21smart_sda23:55:202
321389963,2cyclictest5421-21sh21:18:382
321389963,2cyclictest504-21dbus-daemon00:01:242
321389963,2cyclictest501-21in:imuxsock20:35:182
321389963,2cyclictest31123-21sh23:30:482
321389963,2cyclictest304-21systemd-udevd22:50:082
321389963,2cyclictest275-21systemd-journal23:08:582
321389963,2cyclictest26592-21ssh00:26:342
321389963,2cyclictest26240-21ssh22:49:362
321389963,2cyclictest22918-21ssh23:45:272
321389963,2cyclictest22609-21sh23:25:472
321389963,2cyclictest12019-21cron20:45:002
321389963,1cyclictest0-21swapper/200:35:422
321389962,3cyclictest658-21snmpd23:21:182
321389962,3cyclictest658-21snmpd22:10:162
321389962,3cyclictest658-21snmpd20:55:372
321389962,3cyclictest658-21snmpd20:45:122
321389962,3cyclictest658-21snmpd20:25:512
321389962,3cyclictest658-21snmpd19:57:332
321389962,3cyclictest658-21snmpd19:16:232
321389962,3cyclictest504-21dbus-daemon22:03:472
321389962,3cyclictest12766-21cat19:35:162
321389962,3cyclictest12174-21grep23:00:152
321389962,3cyclictest11969-21sed22:40:172
321389962,3cyclictest10816-21grep22:20:142
321389962,3cyclictest10816-21grep22:20:142
321389962,1cyclictest0-21swapper/222:30:462
321389962,1cyclictest0-21swapper/200:12:232
321389962,1cyclictest0-21swapper/200:05:112
321389961,4cyclictest0-21swapper/221:55:222
321389960,6cyclictest0-21swapper/221:33:542
321389960,6cyclictest0-21swapper/219:12:212
321389960,6cyclictest0-21swapper/200:23:522
321389960,4cyclictest7612-21sh23:16:562
321389960,1cyclictest275-21systemd-journal21:06:322
321389960,0cyclictest0-21swapper/200:15:572
321339966,0cyclictest23167-21diskmemload23:19:191
321339963,2cyclictest658-21snmpd20:55:071
321339963,2cyclictest658-21snmpd00:24:161
321339963,2cyclictest504-21dbus-daemon21:12:041
321339963,2cyclictest4522-21sshd19:17:191
321339963,2cyclictest275-21systemd-journal20:45:191
321339963,2cyclictest22870-21sh22:08:051
321339963,2cyclictest19104-21sh22:25:131
321339963,2cyclictest0-21swapper/122:00:201
321339963,1cyclictest0-21swapper/123:44:291
321339962,3cyclictest8484-21cat20:35:161
321339962,3cyclictest7764-21expr19:25:131
321339962,3cyclictest658-21snmpd23:47:491
321339962,3cyclictest658-21snmpd22:49:421
321339962,3cyclictest658-21snmpd22:20:071
321339962,3cyclictest658-21snmpd22:20:071
321339962,3cyclictest658-21snmpd21:47:251
321339962,3cyclictest658-21snmpd21:25:371
321339962,3cyclictest658-21snmpd20:40:551
321339962,3cyclictest658-21snmpd20:21:571
321339962,3cyclictest658-21snmpd20:21:571
321339962,3cyclictest658-21snmpd20:13:151
321339962,3cyclictest658-21snmpd20:09:481
321339962,3cyclictest658-21snmpd19:30:521
321339962,3cyclictest658-21snmpd19:10:231
321339962,3cyclictest658-21snmpd00:39:121
321339962,3cyclictest658-21snmpd00:11:551
321339962,3cyclictest29722-21unixbench_singl23:10:211
321339962,3cyclictest20636-21seq19:51:251
321339962,3cyclictest15107-21which20:50:151
321339962,1cyclictest0-21swapper/121:58:051
321339961,3cyclictest275-21systemd-journal19:20:141
321339961,1cyclictest0-21swapper/123:05:111
321339960,5cyclictest7006-21grep20:30:191
321339960,5cyclictest28533-21gdbus23:30:011
321339960,5cyclictest26744-21expr22:10:141
321339960,0cyclictest0-21swapper/123:38:421
321339960,0cyclictest0-21swapper/121:16:231
321299963,2cyclictest663-21runrttasks21:23:050
321299963,2cyclictest658-21snmpd23:36:190
321299963,2cyclictest658-21snmpd22:51:320
321299963,2cyclictest32478-21chrt20:17:470
321299963,2cyclictest30528-21ssh22:12:240
321299963,2cyclictest27733-21sshd21:31:330
321299963,2cyclictest275-21systemd-journal19:26:550
321299963,2cyclictest275-21systemd-journal19:19:180
321299963,2cyclictest27312-21ssh00:27:050
321299963,2cyclictest26623-21df20:05:140
321299963,2cyclictest24963-21sh22:48:350
321299963,2cyclictest24049-21sh23:46:190
321299963,2cyclictest23090-21ssh22:27:250
321299963,2cyclictest15850-21ssh22:42:530
321299963,2cyclictest13468-21cut23:40:140
321299963,1cyclictest0-21swapper/023:29:430
321299962,3cyclictest8775-21expr21:40:140
321299962,3cyclictest658-21snmpd21:55:360
321299962,3cyclictest658-21snmpd21:45:090
321299962,3cyclictest658-21snmpd21:07:130
321299962,3cyclictest658-21snmpd20:42:580
321299962,3cyclictest658-21snmpd20:24:550
321299962,3cyclictest658-21snmpd20:24:550
321299962,3cyclictest658-21snmpd20:12:230
321299962,3cyclictest658-21snmpd19:35:260
321299962,3cyclictest658-21snmpd19:23:310
321299962,3cyclictest4184-21cut22:55:170
321299962,3cyclictest304-21systemd-udevd23:19:280
321299962,3cyclictest28916-21expr23:10:170
321299962,3cyclictest275-21systemd-journal23:00:120
321299962,3cyclictest275-21systemd-journal21:36:370
321299962,3cyclictest275-21systemd-journal19:31:060
321299962,3cyclictest26358-21ntpq21:50:180
321299962,2cyclictest20930-21apt-get19:55:010
321299962,2cyclictest17958-21idleruntime-cro22:25:020
321299962,2cyclictest17958-21idleruntime-cro22:25:020
321299962,1cyclictest1912-21perf19:15:010
321299961,4cyclictest0-21swapper/022:15:070
321299961,3cyclictest275-21systemd-journal00:08:110
321299961,3cyclictest13027-40systemctl00:00:000
321419952,2cyclictest8845-21cat19:25:213
321419952,2cyclictest8042-21ssh00:35:033
321419952,2cyclictest658-21snmpd19:50:083
321419952,2cyclictest658-21snmpd00:05:143
321419952,2cyclictest6286-21processes23:55:193
321419952,2cyclictest31429-21cat20:15:163
321419952,2cyclictest23443-21ssh21:10:043
321419952,2cyclictest10150-21sh19:30:123
321419951,3cyclictest275-21systemd-journal22:15:033
321419950,2cyclictest25366-21apt-get22:10:023
321389955,0cyclictest0-21swapper/221:40:182
321389953,1cyclictest6027-21tune2fs20:30:132
321389953,1cyclictest2309-21taskset20:22:452
321389953,1cyclictest2309-21taskset20:22:442
321389953,1cyclictest0-21swapper/222:05:132
321389952,2cyclictest658-21snmpd23:50:132
321389952,2cyclictest658-21snmpd19:20:202
321389952,2cyclictest5021-21/usr/sbin/munin23:35:132
321389952,2cyclictest32328-21seq20:16:122
321389952,2cyclictest28714-21expr20:10:192
321389952,2cyclictest26490-21expr20:05:142
321389952,2cyclictest23444-21sh21:10:042
321389952,2cyclictest19937-21ntpq19:50:232
321389952,2cyclictest14687-21cut20:50:132
321389952,2cyclictest12659-21ssh23:40:042
321389952,2cyclictest10441-21cat19:30:132
321389951,3cyclictest8209-21cat19:25:172
321389951,3cyclictest658-21snmpd19:40:102
321389951,3cyclictest24379-21if_enp4s020:00:152
321339955,0cyclictest0-21swapper/119:46:191
321339952,2cyclictest663-21runrttasks22:30:021
321339952,2cyclictest658-21snmpd20:15:141
321339952,2cyclictest4338-21date20:25:201
321339952,2cyclictest18997-21cpu21:00:121
321339952,2cyclictest12599-21hostname19:35:151
321339952,2cyclictest12354-21cat23:00:151
321339952,1cyclictest0-21swapper/100:05:291
321339951,3cyclictest4911-21rm23:55:061
321339951,3cyclictest32432-21/usr/sbin/munin00:30:141
321339951,3cyclictest21643-21fschecks_time21:05:141
321339950,4cyclictest14680-21fschecks_time19:40:141
321339950,2cyclictest20959-21http19:55:011
321299953,1cyclictest17103-21df20:55:120
321299953,1cyclictest14895-21df_inode20:50:140
321299952,2cyclictest9107-21expr20:35:210
321299952,2cyclictest658-21snmpd20:00:050
321299952,2cyclictest5507-21cat20:30:020
321299952,2cyclictest31668-21ssh00:30:020
321299952,2cyclictest29137-21ssh23:50:070
321299952,2cyclictest26985-21ssh22:30:120
321299952,2cyclictest19554-21ssh23:05:010
321299952,2cyclictest15901-21taskset19:41:290
321299952,1cyclictest0-21swapper/023:55:060
321299952,1cyclictest0-21swapper/023:30:110
321299951,3cyclictest658-21snmpd21:00:040
321299951,3cyclictest3489-21grep20:25:150
321299951,3cyclictest22947-21awk19:55:200
321299951,3cyclictest17117-21/usr/sbin/munin19:45:160
321299951,3cyclictest12332-21/usr/sbin/munin20:45:130
321339940,3cyclictest23813-21/usr/sbin/munin20:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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