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2025-09-17 - 16:51
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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 Wed Sep 17, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103912322293,18sleep20-21swapper/207:09:382
103842283216,20sleep00-21swapper/007:09:320
102382275242,21sleep10-21swapper/107:08:001
102932273215,18sleep30-21swapper/307:08:443
16172620,0sleep20-21swapper/211:26:492
57592610,0sleep20-21swapper/209:41:142
253502600,0sleep10-21swapper/112:35:321
57902560,0sleep30-21swapper/308:05:203
200692560,0sleep20-21swapper/212:31:562
194302560,0sleep10-21swapper/112:31:141
122492210,0sleep30-21swapper/310:40:173
230542200,0sleep10-21swapper/110:50:051
256092170,0sleep20-21swapper/208:50:162
252222170,0sleep00-21swapper/009:58:210
245322150,0sleep10-21swapper/112:10:201
170362150,0sleep20-21swapper/211:13:482
91442140,0sleep10-21swapper/109:15:411
101452140,0sleep30-21swapper/309:16:513
196862130,0sleep10-21swapper/110:45:521
33442100,0chrt0-21swapper/310:33:123
1053199107,2cyclictest34-21ksoftirqd/308:35:013
1052599108,1cyclictest22-21ksoftirqd/111:20:001
105319994,3cyclictest19982-21systemd-journal09:00:383
105289996,2cyclictest28-21ksoftirqd/208:25:012
105289992,4cyclictest11990-21basename11:10:012
105259996,1cyclictest22-21ksoftirqd/108:05:131
105259994,3cyclictest19982-21systemd-journal11:47:071
105259994,3cyclictest19982-21systemd-journal09:13:081
105209994,3cyclictest19982-21systemd-journal08:24:460
5417280,0sleep30-21swapper/309:13:283
30052280,0sleep00-21swapper/010:57:240
105319984,2cyclictest19982-21systemd-journal11:39:353
105319983,3cyclictest19982-21systemd-journal09:45:173
105319982,5cyclictest0-21swapper/310:45:123
105289987,1cyclictest28-21ksoftirqd/207:15:002
105289984,3cyclictest502-21systemd-logind11:35:252
105259986,2cyclictest22-21ksoftirqd/110:35:001
105259982,3cyclictest22703-21perf11:45:011
105209985,2cyclictest11736-21in:imuxsock11:47:310
105209984,3cyclictest19982-21systemd-journal09:30:010
105209983,4cyclictest30654-21snmpd12:00:310
105209983,3cyclictest19982-21systemd-journal11:25:000
25904270,0sleep10-21swapper/109:59:101
17274270,0sleep20-21swapper/208:30:172
105319974,2cyclictest508-21dbus-daemon12:11:443
105319974,2cyclictest19982-21systemd-journal10:53:273
105319973,3cyclictest7696-21ntpq08:10:193
105319973,3cyclictest7696-21ntpq08:10:183
105319973,3cyclictest5995-21ntpq11:30:193
105319973,3cyclictest3497-21sshd10:06:273
105319973,3cyclictest30654-21snmpd12:20:083
105319973,3cyclictest30654-21snmpd11:22:463
105319973,3cyclictest30654-21snmpd11:17:163
105319973,3cyclictest30654-21snmpd09:43:123
105319973,3cyclictest30654-21snmpd08:55:373
105319973,3cyclictest28302-21cut10:55:163
105319973,3cyclictest19982-21systemd-journal12:00:173
105319973,3cyclictest19287-21memory09:25:153
105319973,3cyclictest1660-21sshd07:59:323
105319973,3cyclictest14860-21users09:20:243
105319973,3cyclictest0-21swapper/311:12:463
105319973,3cyclictest0-21swapper/310:27:063
105319973,1cyclictest0-21swapper/311:58:083
105319972,4cyclictest19982-21systemd-journal10:22:243
105319972,3cyclictest7661-21lldpd12:31:543
105319972,3cyclictest7661-21lldpd08:29:453
105319972,3cyclictest7661-21lldpd07:50:593
105319972,3cyclictest19982-21systemd-journal10:02:243
105319972,3cyclictest19982-21systemd-journal09:05:143
105319972,3cyclictest19982-21systemd-journal08:22:153
105319972,3cyclictest19982-21systemd-journal07:40:013
105319971,5cyclictest0-21swapper/309:50:133
105319970,7cyclictest0-21swapper/311:44:183
105319970,4cyclictest19982-21systemd-journal09:30:393
105319970,3cyclictest28572-21ssh12:39:033
105319970,1cyclictest0-21swapper/308:48:313
105289976,1cyclictest28-21ksoftirqd/207:20:002
105289974,2cyclictest28887-21mailstats07:45:202
105289974,2cyclictest28-21ksoftirqd/209:10:002
105289973,3cyclictest3508-21smart_sda08:00:202
105289973,3cyclictest20906-21awk10:20:232
105289973,3cyclictest19982-21systemd-journal10:35:032
105289973,3cyclictest11736-21in:imuxsock07:59:322
105289973,1cyclictest0-21swapper/211:20:242
105289972,3cyclictest19982-21systemd-journal10:40:022
105289972,1cyclictest28-21ksoftirqd/209:50:142
105259974,2cyclictest508-21dbus-daemon08:57:171
105259973,3cyclictest30654-21snmpd08:04:281
105259973,3cyclictest29741-11brltty09:35:161
105259973,3cyclictest1-21systemd10:15:441
105259973,3cyclictest1-21systemd09:21:291
105259973,3cyclictest10170-21cut09:45:201
105259973,1cyclictest0-21swapper/111:22:311
105259973,1cyclictest0-21swapper/110:02:531
105259972,3cyclictest19982-21systemd-journal12:21:181
105259970,4cyclictest29701-21perf07:50:001
105259970,3cyclictest80982sh11:58:531
105209974,2cyclictest8722-21cron08:15:010
105209974,2cyclictest8722-21cron08:15:010
105209974,2cyclictest508-21dbus-daemon10:15:010
105209974,2cyclictest508-21dbus-daemon08:28:310
105209974,2cyclictest11736-21in:imuxsock11:26:140
105209973,3cyclictest508-21dbus-daemon08:46:510
105209973,3cyclictest508-21dbus-daemon08:09:190
105209973,3cyclictest4640-21cat12:20:180
105209973,3cyclictest25186-21smart_sda09:30:210
105209973,3cyclictest19982-21systemd-journal10:33:270
105209973,3cyclictest19982-21systemd-journal09:44:540
105209973,3cyclictest0-21swapper/012:12:120
105209973,3cyclictest0-21swapper/010:47:430
105209973,3cyclictest0-21swapper/009:36:520
105209973,2cyclictest19982-21systemd-journal11:40:130
105209973,1cyclictest0-21swapper/011:55:070
105209973,1cyclictest0-21swapper/010:04:320
105209972,5cyclictest19116-21gdbus10:20:010
105209972,4cyclictest18046-21sshd07:24:240
105209972,4cyclictest0-21swapper/009:14:470
105209972,3cyclictest19982-21systemd-journal12:34:150
105209972,3cyclictest19982-21systemd-journal10:07:260
105209972,3cyclictest19982-21systemd-journal09:19:480
105209972,3cyclictest19982-21systemd-journal08:03:260
105209971,3cyclictest24005-21fschecks_time12:35:160
1027270,0sleep10-21swapper/107:55:221
105319966,0cyclictest0-21swapper/309:36:333
105319963,3cyclictest26372-21kworker/3:110:10:363
105319963,2cyclictest9520-21sh10:38:223
105319963,2cyclictest499-21rm11:25:363
105319963,2cyclictest31890-21ssh12:16:083
105319963,2cyclictest20889-21diskstats08:40:173
105319963,2cyclictest16625-21tune2fs07:20:143
105319963,2cyclictest15125-21head07:15:213
105319963,2cyclictest0-21swapper/311:08:173
105319963,2cyclictest0-21swapper/307:45:013
105319962,3cyclictest508-21dbus-daemon10:15:203
105319962,3cyclictest30654-21snmpd09:56:283
105319962,3cyclictest30654-21snmpd08:50:043
105319962,3cyclictest30654-21snmpd07:42:033
105319962,3cyclictest18874-21basename08:35:163
105319962,3cyclictest0-21swapper/311:45:143
105319962,1cyclictest0-21swapper/312:06:523
105319961,3cyclictest19982-21systemd-journal11:50:153
105319961,3cyclictest19982-21systemd-journal07:30:323
105319961,2cyclictest19982-21systemd-journal07:10:543
105319961,2cyclictest10224-21/usr/sbin/munin12:25:113
105319960,5cyclictest18770-21diskstats07:25:163
105319960,5cyclictest1101-21ntpq11:00:183
105289966,0cyclictest0-21swapper/209:55:152
105289963,2cyclictest6194-21rt-features11:30:202
105289963,2cyclictest3702-21apt12:20:122
105289963,2cyclictest3494-21sshd10:06:262
105289963,2cyclictest30724-21smart_sda12:15:182
105289963,2cyclictest30654-21snmpd11:00:482
105289963,2cyclictest29649-21chrt10:56:222
105289963,2cyclictest2600-21ntp_kernel_pll_09:10:172
105289963,2cyclictest25482-21chrt12:11:172
105289963,2cyclictest24258-21grep08:45:212
105289963,2cyclictest19533-21systemctl07:25:222
105289963,2cyclictest11736-21in:imuxsock07:39:162
105289962,3cyclictest7661-21lldpd10:01:052
105289962,3cyclictest5897-21wc08:05:212
105289962,3cyclictest508-21dbus-daemon10:55:012
105289962,3cyclictest30654-21snmpd10:16:132
105289962,3cyclictest30654-21snmpd09:45:252
105289962,3cyclictest30654-21snmpd09:00:462
105289962,3cyclictest30654-21snmpd08:41:222
105289962,3cyclictest30654-21snmpd08:19:512
105289962,3cyclictest30654-21snmpd08:13:132
105289962,3cyclictest30654-21snmpd08:13:122
105289962,3cyclictest30654-21snmpd07:34:182
105289962,3cyclictest30630-21cat07:50:172
105289962,3cyclictest26711-21awk10:25:192
105289962,3cyclictest23769-21expr12:35:142
105289962,3cyclictest19982-21systemd-journal11:58:232
105289962,3cyclictest19688-21grep08:35:222
105289962,3cyclictest17244-21needreboot12:05:182
105289962,3cyclictest13915-21cat09:20:182
105289962,3cyclictest1-21systemd10:14:042
105289962,3cyclictest0-21swapper/211:52:322
105289962,3cyclictest0-21swapper/211:41:192
105289962,1cyclictest18127-21perf07:25:012
105289962,1cyclictest0-21swapper/211:47:472
105289962,1cyclictest0-21swapper/210:47:062
105289962,1cyclictest0-21swapper/209:25:362
105289961,3cyclictest19982-21systemd-journal12:25:032
105289961,2cyclictest32053-21ssh09:35:452
105289960,6cyclictest1204-21diskmemload12:00:202
105289960,6cyclictest0-21swapper/209:15:532
105289960,5cyclictest1021-21ssh10:30:302
105289960,5cyclictest0-21swapper/209:30:172
105289960,3cyclictest27157-21apt-get07:45:002
105259966,0cyclictest0-21swapper/108:15:231
105259965,1cyclictest1204-21diskmemload11:36:021
105259963,2cyclictest9230-21ssh11:06:501
105259963,2cyclictest32392-21cut09:05:181
105259963,2cyclictest24541-21taskset07:35:521
105259963,2cyclictest22-21ksoftirqd/107:11:451
105259963,2cyclictest19982-21systemd-journal11:25:101
105259963,2cyclictest19982-21systemd-journal08:10:261
105259963,2cyclictest19982-21systemd-journal08:10:261
105259963,2cyclictest11736-21in:imuxsock10:14:291
105259963,2cyclictest11736-21in:imuxsock09:55:011
105259963,2cyclictest11651-21wc12:25:191
105259963,2cyclictest10167-21ssh12:00:141
105259963,1cyclictest0-21swapper/110:43:201
105259962,3cyclictest5970-21basename10:35:181
105259962,3cyclictest5912-21uname11:30:181
105259962,3cyclictest30731-21wc09:00:211
105259962,3cyclictest30654-21snmpd10:07:041
105259962,3cyclictest30654-21snmpd08:37:071
105259962,3cyclictest30654-21snmpd08:30:301
105259962,3cyclictest30654-21snmpd08:24:001
105259962,3cyclictest30654-21snmpd07:51:021
105259962,3cyclictest30654-21snmpd07:41:081
105259962,3cyclictest30532-21grep12:15:171
105259962,3cyclictest23683-21ntpq08:45:181
105259962,3cyclictest19982-21systemd-journal08:25:011
105259962,3cyclictest13922-21expr07:15:151
105259962,3cyclictest0-21swapper/111:10:171
105259962,3cyclictest0-21swapper/111:02:381
105259962,3cyclictest0-21swapper/109:42:111
105259962,2cyclictest22462-21dump-pmu-power08:45:011
105259962,1cyclictest0-21swapper/112:05:101
105259962,1cyclictest0-21swapper/110:57:121
105259962,1cyclictest0-21swapper/109:25:221
105259961,3cyclictest19982-21systemd-journal10:25:451
105259961,3cyclictest19982-21systemd-journal10:20:191
105259961,3cyclictest19982-21systemd-journal07:32:361
105259961,3cyclictest19982-21systemd-journal07:23:011
105259960,6cyclictest0-21swapper/111:51:551
105259960,6cyclictest0-21swapper/109:31:471
105209964,1cyclictest10984-21turbostat08:20:010
105209963,2cyclictest508-21dbus-daemon09:46:070
105209963,2cyclictest508-21dbus-daemon08:55:120
105209963,2cyclictest32558-21grep09:05:190
105209963,2cyclictest30654-21snmpd07:28:320
105209963,2cyclictest30135-21cat12:15:140
105209963,2cyclictest26700-21taskset10:53:020
105209963,2cyclictest20266-21sh11:15:260
105209963,2cyclictest20023-21interrupts10:20:180
105209963,2cyclictest18961-21sh12:06:240
105209963,2cyclictest15340-21sh09:20:580
105209963,2cyclictest12593-21sendmail_mailqu10:40:300
105209963,2cyclictest12178-21ntp_kernel_pll_11:35:200
105209963,2cyclictest11616-21expr07:10:180
105209962,3cyclictest30654-21snmpd07:57:180
105209962,3cyclictest30043-21ls07:50:150
105209962,3cyclictest29799-21cat09:00:140
105209962,3cyclictest21088-21tune2fs07:30:160
105209962,3cyclictest19982-21systemd-journal11:08:260
105209962,3cyclictest19116-21gdbus07:40:000
105209962,3cyclictest18565-21ls08:35:150
105209962,3cyclictest14270-21cat07:15:160
105209962,3cyclictest13139-21cat11:10:160
105209962,3cyclictest1-21systemd08:53:570
105209962,3cyclictest0-21swapper/012:25:270
105209962,3cyclictest0-21swapper/010:25:110
105209961,4cyclictest0-21swapper/011:50:220
105209961,3cyclictest19982-21systemd-journal08:30:070
105209960,3cyclictest32420-21rm11:00:090
105209960,3cyclictest16965-21rm09:50:300
105209960,2cyclictest5468-21tr10:35:160
105209960,1cyclictest5399-21diskstats11:30:160
105209960,0cyclictest0-21swapper/008:40:160
105319952,2cyclictest2023-21cat08:00:013
105319951,3cyclictest9526-21gltestperf08:15:163
105289952,2cyclictest27618-21cut08:55:152
105289952,2cyclictest13651-21taskset08:25:012
105289951,3cyclictest18505-21ssh11:15:132
105259952,2cyclictest18501-21expr07:25:151
105259951,3cyclictest24919-21/usr/sbin/munin08:50:141
105209951,3cyclictest27157-21apt-get07:45:030
105209951,3cyclictest26129-21ntp_kernel_pll_07:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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