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2026-01-06 - 22:17
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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 Tue Jan 06, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280342299268,21sleep20-21swapper/207:07:452
278652278251,18sleep10-21swapper/107:05:351
279792267235,21sleep00-21swapper/007:07:010
280762266239,18sleep30-21swapper/307:08:183
311452600,0sleep30-21swapper/309:16:293
122652600,0sleep00-21swapper/012:09:500
306512570,0sleep10-21swapper/111:43:081
291172560,0sleep00-21swapper/009:15:180
195952560,0sleep20-21swapper/212:13:472
21622550,1sleep20-21swapper/211:26:302
149882550,0sleep30-21swapper/309:44:303
226272540,0sleep10-21swapper/111:38:401
226272540,0sleep10-21swapper/111:38:401
200102520,0sleep30-21swapper/310:05:153
290642510,0sleep20-21swapper/208:20:162
56042500,0sleep20-21swapper/210:51:522
275842450,0sleep30-21swapper/309:50:503
45392420,0sleep10-21swapper/110:33:161
55822190,0sleep30-21swapper/310:15:173
309522190,0sleep30-21swapper/311:05:543
294342180,0sleep00-21swapper/011:05:140
64542160,0sleep10-21swapper/110:15:261
158012150,0sleep315800-21munin-run11:35:003
2833399132,6cyclictest13176-21interrupts07:45:141
111792130,0sleep10-21swapper/107:40:141
2833399123,5cyclictest26276-21sh10:26:581
2833399121,6cyclictest658-21snmpd12:34:231
2833399112,5cyclictest27773-21sh09:33:101
2833399110,3cyclictest6175-21ssh09:20:291
2833399110,3cyclictest17996-21ssh10:59:281
2833399110,3cyclictest14682-21sh09:44:161
2833399110,2cyclictest18342-21diskmemload11:46:541
2833399110,2cyclictest17750-21sed09:45:191
2833399100,3cyclictest8611-21ssh09:59:051
2833399100,3cyclictest24495-21ssh12:15:491
2833399100,2cyclictest32210-21ssh09:17:151
2833399100,2cyclictest30372-21sh12:37:591
2833399100,2cyclictest15989-21ssh10:03:021
2833399100,2cyclictest1286-21wc08:30:151
2833399100,1cyclictest9720-21ssh10:54:481
2833399100,1cyclictest8217-21ssh12:06:541
2833399100,1cyclictest27168-21ssh10:45:241
2833399100,1cyclictest18836-21apt-get09:10:121
2833399100,1cyclictest16359-21ssh09:26:221
2833399100,1cyclictest12743-21rm11:14:471
2833399100,1cyclictest0-21swapper/111:35:001
181342100,0sleep30-21swapper/311:35:243
181342100,0sleep30-21swapper/311:35:243
283409997,1cyclictest34-21ksoftirqd/307:15:013
283339992,6cyclictest658-21snmpd08:55:071
283339992,6cyclictest658-21snmpd08:29:201
283339992,6cyclictest658-21snmpd07:59:261
283339992,6cyclictest658-21snmpd07:35:141
283339992,6cyclictest658-21snmpd07:35:131
283339992,6cyclictest27355-21ssh10:09:501
283339992,6cyclictest17077-21cat10:40:161
283339991,2cyclictest25533-21df_inode09:50:131
283339991,2cyclictest19032-21sshd11:55:061
283339990,8cyclictest13386-21/usr/sbin/munin10:20:141
283339990,3cyclictest30945-21wc07:15:011
283339990,2cyclictest30146-21chrt08:22:221
283339990,2cyclictest275-21systemd-journal08:20:011
283339990,2cyclictest21687-21chrt08:05:051
283339990,2cyclictest14792-21ps11:15:161
283339990,1cyclictest663-21runrttasks09:09:591
283339990,1cyclictest5755-21ssh12:24:191
283339990,1cyclictest30791-21ssh10:11:001
283339990,1cyclictest26696-21ssh11:22:101
283339990,1cyclictest18802-21apt-get11:00:011
283339990,1cyclictest15880-21ssh12:11:061
283339990,1cyclictest15105-21ssh12:29:471
283339990,1cyclictest15072-21ssh10:39:331
283339990,1cyclictest1-21systemd11:51:021
283339990,1cyclictest0-21swapper/112:03:301
283339990,1cyclictest0-21swapper/111:27:241
283339990,1cyclictest0-21swapper/111:08:151
283339990,1cyclictest0-21swapper/109:35:421
8008280,1sleep08311-21diskstats07:35:130
8008280,1sleep08311-21diskstats07:35:130
283409984,3cyclictest275-21systemd-journal11:15:573
283389980,7cyclictest12436-21sh11:32:362
283339982,5cyclictest658-21snmpd08:49:271
283339982,5cyclictest5086-21cut08:40:141
283339981,2cyclictest14863-21tr07:50:131
283339981,1cyclictest14112-21apt-get09:00:021
283339980,3cyclictest1338-21grep07:20:141
283339980,2cyclictest4647-21turbostat.cron08:40:001
283339980,2cyclictest4425-21ntp_states07:25:191
283339980,2cyclictest29847-21cat07:10:191
283339980,2cyclictest24462-21head08:10:151
283339980,2cyclictest21159-21latency_hist08:05:011
283339980,2cyclictest11263-21sshd08:54:221
283339980,1cyclictest7670-21munin-run07:35:021
8064270,0sleep00-21swapper/011:48:550
283409976,1cyclictest34-21ksoftirqd/310:15:003
283409976,1cyclictest34-21ksoftirqd/307:35:013
283409974,2cyclictest504-21dbus-daemon10:00:013
283409972,3cyclictest275-21systemd-journal11:44:593
283409972,3cyclictest275-21systemd-journal10:34:503
283409970,6cyclictest14394-21cstates09:00:113
283389974,2cyclictest658-21snmpd12:09:272
283389973,3cyclictest31629-21cat12:20:142
283299974,2cyclictest10010-21dump-pmu-power10:00:020
283299973,3cyclictest658-21snmpd07:24:260
283299973,3cyclictest2609-21memory10:50:150
27349270,0sleep00-21swapper/012:35:470
14626270,0sleep00-21swapper/010:57:010
11860270,0sleep20-21swapper/209:24:302
283409966,0cyclictest18403-21ssh12:12:563
283409966,0cyclictest0-21swapper/309:49:263
283409966,0cyclictest0-21swapper/309:30:193
283409966,0cyclictest0-21swapper/309:10:343
283409966,0cyclictest0-21swapper/308:05:013
283409963,2cyclictest9785-21grep08:50:143
283409963,2cyclictest658-21snmpd10:51:133
283409963,2cyclictest6296-21ssh09:20:353
283409963,2cyclictest504-21dbus-daemon11:47:183
283409963,2cyclictest504-21dbus-daemon07:15:023
283409963,2cyclictest32758-21sh11:25:203
283409963,2cyclictest25220-21ssh10:45:073
283409963,2cyclictest19338-21gdbus11:00:023
283409963,2cyclictest18043-21sshd09:06:393
283409963,2cyclictest14563-21ssh10:39:113
283409963,2cyclictest13421-21ssh10:01:103
283409963,1cyclictest0-21swapper/310:20:093
283409962,3cyclictest658-21snmpd12:00:433
283409962,3cyclictest658-21snmpd11:20:053
283409962,3cyclictest658-21snmpd11:10:203
283409962,3cyclictest658-21snmpd08:56:423
283409962,3cyclictest658-21snmpd07:45:053
283409962,3cyclictest658-21snmpd07:42:563
283409962,3cyclictest5297-21expr08:40:153
283409962,3cyclictest275-21systemd-journal12:35:103
283409962,3cyclictest26153-21cron12:16:593
283409962,3cyclictest16978-21cat10:40:143
283409962,2cyclictest7870-21head12:25:133
283409962,1cyclictest0-21swapper/312:33:143
283409962,1cyclictest0-21swapper/311:54:263
283409962,1cyclictest0-21swapper/310:25:063
283409960,3cyclictest7674-21ssh12:06:313
283409960,2cyclictest148072cpuspeed_turbos07:50:143
283389966,0cyclictest0-21swapper/211:09:462
283389966,0cyclictest0-21swapper/209:05:142
283389965,1cyclictest28-21ksoftirqd/207:35:022
283389964,1cyclictest0-21swapper/209:15:122
283389963,2cyclictest658-21snmpd11:45:212
283389963,2cyclictest504-21dbus-daemon12:25:182
283389963,2cyclictest28670-21sh10:28:402
283389963,2cyclictest23331-21smart_sda09:30:172
283389963,2cyclictest22730-21ssh12:15:132
283389963,1cyclictest0-21swapper/209:26:232
283389962,3cyclictest956-21fw_packets08:30:142
283389962,3cyclictest658-21snmpd11:55:132
283389962,3cyclictest658-21snmpd11:52:132
283389962,3cyclictest658-21snmpd11:35:152
283389962,3cyclictest658-21snmpd11:35:142
283389962,3cyclictest658-21snmpd11:16:132
283389962,3cyclictest658-21snmpd11:12:042
283389962,3cyclictest658-21snmpd10:58:232
283389962,3cyclictest658-21snmpd10:46:252
283389962,3cyclictest658-21snmpd10:41:192
283389962,3cyclictest658-21snmpd10:21:582
283389962,3cyclictest658-21snmpd09:57:572
283389962,3cyclictest658-21snmpd09:10:462
283389962,3cyclictest658-21snmpd08:52:032
283389962,3cyclictest658-21snmpd08:13:122
283389962,3cyclictest658-21snmpd08:00:502
283389962,3cyclictest658-21snmpd07:51:432
283389962,3cyclictest658-21snmpd07:39:142
283389962,3cyclictest658-21snmpd07:39:142
283389962,3cyclictest658-21snmpd07:18:452
283389962,3cyclictest658-21snmpd07:11:482
283389962,3cyclictest30729-21seq09:53:032
283389962,3cyclictest26595-21sed12:35:202
283389962,3cyclictest26148-21basename08:15:112
283389962,3cyclictest11903-21cat08:55:122
283389962,3cyclictest10934-21cat07:40:132
283389962,1cyclictest0-21swapper/212:33:322
283389961,4cyclictest0-21swapper/211:40:082
283389960,6cyclictest0-21swapper/211:22:222
283389960,6cyclictest0-21swapper/211:02:472
283389960,2cyclictest18924-21munin-plugin-st08:00:012
283389960,0cyclictest0-21swapper/210:00:222
283389960,0cyclictest0-21swapper/209:46:522
283299965,1cyclictest12-21ksoftirqd/010:45:010
283299963,2cyclictest6085-21sh10:15:190
283299963,2cyclictest532-21ssh10:12:330
283299963,2cyclictest28372-21sh09:33:350
283299963,2cyclictest275-21systemd-journal10:45:010
283299963,2cyclictest275-21systemd-journal08:41:320
283299963,2cyclictest24398-21fschecks_time08:10:130
283299963,2cyclictest24326-21ssh12:15:410
283299963,2cyclictest18651-21ssh11:35:470
283299963,2cyclictest18651-21ssh11:35:470
283299963,2cyclictest11519-21sh12:27:100
283299963,2cyclictest10366-21rm10:36:100
283299963,2cyclictest0-21swapper/011:40:080
283299962,3cyclictest883-21sshd07:19:150
283299962,3cyclictest658-21snmpd12:22:280
283299962,3cyclictest658-21snmpd11:30:120
283299962,3cyclictest658-21snmpd11:01:100
283299962,3cyclictest658-21snmpd10:27:360
283299962,3cyclictest658-21snmpd09:20:070
283299962,3cyclictest658-21snmpd08:25:500
283299962,3cyclictest658-21snmpd08:21:170
283299962,3cyclictest658-21snmpd07:30:190
283299962,3cyclictest18999-21sh12:31:170
283299962,3cyclictest1-21systemd08:15:180
283299962,3cyclictest12142-21sed10:00:200
283299962,3cyclictest11698-21cat08:55:130
283299962,1cyclictest3761-21munin-run12:04:590
283299962,1cyclictest141rcu_preempt09:50:120
283299962,1cyclictest13976-1kworker/u9:111:15:190
283299962,1cyclictest0-21swapper/011:21:290
283299961,4cyclictest19224-21apt-get11:55:130
283299961,4cyclictest15769-21cron09:45:020
283299961,3cyclictest275-21systemd-journal09:00:180
283299961,3cyclictest275-21systemd-journal07:40:390
283299960,0cyclictest0-21swapper/012:11:080
283409953,1cyclictest27862-21cron08:17:003
283409952,2cyclictest8680-21wc07:35:163
283409952,2cyclictest8680-21wc07:35:153
283409952,2cyclictest658-21snmpd09:25:113
283409952,2cyclictest4028-21cat08:35:193
283409952,2cyclictest30997-21cat12:20:123
283409952,2cyclictest30792-21ssh09:35:083
283409952,2cyclictest29045-21basename08:20:153
283409952,2cyclictest24565-21basename08:10:143
283409952,2cyclictest20393-21/usr/sbin/munin08:00:173
283409952,2cyclictest19446-21cstates11:55:153
283409952,2cyclictest17617-21cat07:55:163
283409952,2cyclictest11664-21awk10:55:193
283409951,3cyclictest9161-21cut08:50:013
283409951,3cyclictest382-21/usr/sbin/munin08:30:183
283409951,3cyclictest30632-21find08:25:123
283409951,3cyclictest2137-21/usr/sbin/munin07:20:173
283409950,3cyclictest275-21systemd-journal07:29:133
283389953,1cyclictest3593-21expr07:25:132
283389953,1cyclictest276782sleep212:00:022
283389953,1cyclictest0-21swapper/210:30:132
283389953,1cyclictest0-21swapper/210:15:092
283389952,2cyclictest8296-21sendmail_mailst08:45:182
283389952,2cyclictest658-21snmpd10:35:332
283389952,2cyclictest658-21snmpd10:05:042
283389952,2cyclictest658-21snmpd07:20:132
283389952,2cyclictest3354-21cat08:35:142
283389952,2cyclictest30714-21rm09:35:032
283389952,2cyclictest22063-21expr08:05:122
283389952,2cyclictest15073-21ntpq09:00:152
283389951,3cyclictest8111-21cat09:40:142
283389951,3cyclictest658-21snmpd08:40:062
283389951,3cyclictest13665-21/usr/sbin/munin07:45:172
283389951,3cyclictest0-21swapper/210:10:022
283389951,1cyclictest141rcu_preempt08:25:122
283299953,1cyclictest0-21swapper/009:45:110
283299952,2cyclictest658-21snmpd08:45:040
283299952,2cyclictest658-21snmpd08:05:120
283299952,2cyclictest623-21cut08:30:120
283299952,2cyclictest3468-21apt-get07:25:130
283299952,2cyclictest31810-21gltestperf11:25:150
283299952,2cyclictest29544-21grep07:10:170
283299952,2cyclictest2936-21cat08:35:120
283299952,2cyclictest19851-21cat08:00:140
283299952,2cyclictest17483-21gltestperf07:55:150
283299952,2cyclictest17020-21if_enp4s009:05:150
283299952,2cyclictest13519-21ls10:20:120
283299952,2cyclictest12997-21fw_packets07:45:130
283299952,2cyclictest10050-21cat08:50:160
283299952,2cyclictest0-21swapper/010:05:130
283299952,1cyclictest674-21lldpd07:50:100
283299951,3cyclictest658-21snmpd09:35:050
283299951,3cyclictest658-21snmpd09:25:130
283299951,3cyclictest4973-21cpuspeed_turbos11:10:110
283299950,3cyclictest32002-21expr10:30:160
283299950,3cyclictest18723-21rm09:10:060
283299950,2cyclictest10402-21ssh11:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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