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2026-04-01 - 22:20
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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 Wed Apr 01, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269952290264,17sleep20-21swapper/207:07:512
269202278218,17sleep00-21swapper/007:06:540
270362274244,20sleep10-21swapper/107:08:071
270262260227,22sleep30-21swapper/307:08:013
193252610,0sleep00-21swapper/009:48:070
305882600,0sleep30-21swapper/310:32:143
13982600,0sleep30-21swapper/311:50:023
188992560,0sleep20-21swapper/210:44:512
202842550,0sleep10-21swapper/112:00:171
18742540,0sleep10-21swapper/109:56:171
163332530,0sleep20-21swapper/212:17:082
283452240,0sleep30-21swapper/309:34:483
84732200,0sleep30-21swapper/310:19:493
172092190,0sleep20-21swapper/211:59:142
34262180,0sleep20-21swapper/211:31:482
183622180,0sleep00-21swapper/012:18:380
120452180,0sleep30-21swapper/310:02:273
84222170,0sleep00-21swapper/011:15:240
319262160,0sleep30-21swapper/312:25:503
92852150,0sleep10-21swapper/110:39:051
69462150,0sleep30-21swapper/312:30:183
44122150,0sleep10-21swapper/112:10:141
307932150,0sleep10-21swapper/110:50:581
307342150,0sleep30-21swapper/309:35:193
263702150,0sleep10-21swapper/111:26:061
156262140,0sleep20-21swapper/209:05:122
154762140,0sleep10-21swapper/111:20:131
168482110,0sleep116850-21date09:05:181
2728799107,2cyclictest34-21ksoftirqd/310:20:153
2728099106,4cyclictest22-21ksoftirqd/111:10:001
2728099101,1cyclictest141rcu_preempt09:00:121
239872100,3sleep122-21ksoftirqd/108:10:171
239872100,3sleep122-21ksoftirqd/108:10:171
30942290,1sleep230947-21fschecks_time11:10:122
272879992,5cyclictest141rcu_preempt09:53:183
272879990,8cyclictest19181-21ssh11:40:463
3308280,0sleep00-21swapper/009:57:190
272879988,0cyclictest341ksoftirqd/307:40:013
272879987,1cyclictest34-21ksoftirqd/312:40:003
272879987,1cyclictest34-21ksoftirqd/312:20:003
272879987,1cyclictest34-21ksoftirqd/310:55:003
272879987,1cyclictest34-21ksoftirqd/309:45:003
272879987,1cyclictest34-21ksoftirqd/307:50:013
272879987,1cyclictest34-21ksoftirqd/307:15:013
272879986,2cyclictest34-21ksoftirqd/309:00:003
272879986,1cyclictest34-21ksoftirqd/308:45:003
272879986,1cyclictest34-21ksoftirqd/307:20:013
272879985,2cyclictest34-21ksoftirqd/309:20:123
272879985,2cyclictest34-21ksoftirqd/308:35:013
272809985,2cyclictest26369-21apt-get10:30:111
25341280,0sleep10-21swapper/109:14:181
22492280,0sleep20-21swapper/212:01:392
9548270,0sleep30-21swapper/310:57:373
272879976,1cyclictest34-21ksoftirqd/311:20:013
272879976,1cyclictest34-21ksoftirqd/307:35:013
272879973,3cyclictest887-21sed11:30:193
272879973,3cyclictest275-21systemd-journal11:59:173
272879973,2cyclictest275-21systemd-journal09:58:233
272879972,4cyclictest141rcu_preempt10:05:133
272879971,5cyclictest0-21swapper/312:00:113
272849976,1cyclictest0-21swapper/209:11:482
272849973,3cyclictest658-21snmpd12:38:402
272849973,3cyclictest658-21snmpd11:45:022
272849973,3cyclictest504-21dbus-daemon10:50:002
272849973,3cyclictest275-21systemd-journal11:24:012
272849973,3cyclictest275-21systemd-journal10:18:082
272849973,3cyclictest20749-21packagekitd12:20:012
272849973,2cyclictest275-21systemd-journal10:30:022
272849972,3cyclictest30522-21perf09:55:012
272849972,3cyclictest275-21systemd-journal08:00:152
272849971,1cyclictest0-21swapper/210:55:032
272809976,1cyclictest22-21ksoftirqd/107:55:011
272809976,1cyclictest17548-21diskmemload11:47:541
272809974,2cyclictest13657-21cron12:35:001
272809973,3cyclictest504-21dbus-daemon07:35:001
272809973,3cyclictest29518-11brltty11:15:161
272809972,3cyclictest275-21systemd-journal11:10:101
272759974,2cyclictest28654-21ssh12:24:450
272759974,2cyclictest12767-21cron08:59:590
272759973,3cyclictest275-21systemd-journal09:05:000
272759971,3cyclictest29629-21munin-run08:25:010
272759970,4cyclictest2150-21turbostat07:25:010
2607270,0sleep20-21swapper/210:35:142
272879966,0cyclictest0-21swapper/311:21:243
272879966,0cyclictest0-21swapper/310:45:043
272879963,2cyclictest8913-21ls08:50:123
272879963,2cyclictest6716-21ssh12:11:173
272879963,2cyclictest504-21dbus-daemon08:30:013
272879963,2cyclictest34-21ksoftirqd/309:10:003
272879963,2cyclictest30300-21ssh11:10:073
272879963,2cyclictest30258-21ssh12:06:023
272879963,2cyclictest25888-21df11:45:153
272879963,2cyclictest2137-21latency_hist07:25:013
272879963,2cyclictest16963-21ssh11:01:443
272879963,2cyclictest13992-21rm09:25:333
272879962,3cyclictest658-21snmpd11:06:353
272879962,3cyclictest658-21snmpd10:42:433
272879962,3cyclictest658-21snmpd10:35:133
272879962,3cyclictest658-21snmpd10:13:033
272879962,3cyclictest658-21snmpd09:45:023
272879962,3cyclictest658-21snmpd09:04:333
272879962,3cyclictest658-21snmpd08:18:263
272879962,3cyclictest658-21snmpd07:56:253
272879962,3cyclictest504-21dbus-daemon08:05:003
272879962,3cyclictest2339-21grep08:35:143
272879962,3cyclictest10147-21cat07:40:143
272879962,1cyclictest141rcu_preempt11:35:153
272879960,6cyclictest0-21swapper/310:27:013
272879960,1cyclictest0-21swapper/309:16:383
272849966,0cyclictest0-21swapper/211:05:362
272849966,0cyclictest0-21swapper/209:46:132
272849963,2cyclictest9503-21cut10:20:162
272849963,2cyclictest658-21snmpd11:01:192
272849963,2cyclictest658-21snmpd09:59:002
272849963,2cyclictest658-21snmpd08:44:062
272849963,2cyclictest31578-21ssh10:51:332
272849963,2cyclictest2979-21sh12:28:262
272849963,2cyclictest28894-21wc07:10:212
272849963,2cyclictest275-21systemd-journal10:08:242
272849963,2cyclictest275-21systemd-journal10:03:232
272849963,2cyclictest25592-21ntpq10:10:172
272849963,2cyclictest16559-21sh07:55:132
272849963,2cyclictest12655-21ntp_states07:45:162
272849963,2cyclictest10864-21cat07:40:182
272849963,1cyclictest21799-1kworker/u9:109:25:502
272849963,1cyclictest0-21swapper/209:36:242
272849962,3cyclictest658-21snmpd12:12:422
272849962,3cyclictest658-21snmpd11:26:052
272849962,3cyclictest658-21snmpd08:38:312
272849962,3cyclictest658-21snmpd08:30:022
272849962,3cyclictest658-21snmpd08:27:022
272849962,3cyclictest658-21snmpd07:53:422
272849962,3cyclictest658-21snmpd07:17:392
272849962,3cyclictest368-21expr07:20:142
272849962,3cyclictest20705-21cat08:05:142
272849962,3cyclictest20491-11brltty07:25:382
272849962,3cyclictest12544-21sshd11:18:282
272849962,2cyclictest275-21systemd-journal09:19:372
272849960,6cyclictest0-21swapper/211:53:282
272809964,1cyclictest17878-21chrt07:57:041
272809963,2cyclictest9982-21ssh09:42:311
272809963,2cyclictest9793-21smart_sda08:50:181
272809963,2cyclictest658-21snmpd09:22:371
272809963,2cyclictest658-21snmpd08:05:141
272809963,2cyclictest491-21systemd-logind11:00:151
272809963,2cyclictest32507-21sh12:26:171
272809963,2cyclictest30708-21chrt12:06:221
272809963,2cyclictest25715-21awk10:10:191
272809962,3cyclictest674-21lldpd07:21:471
272809962,3cyclictest658-21snmpd11:30:171
272809962,3cyclictest658-21snmpd10:21:421
272809962,3cyclictest658-21snmpd10:00:331
272809962,3cyclictest658-21snmpd09:49:181
272809962,3cyclictest658-21snmpd08:40:541
272809962,3cyclictest658-21snmpd08:03:051
272809962,3cyclictest31694-21sshd08:28:181
272809962,3cyclictest28046-21forks08:20:131
272809962,3cyclictest24091-21dump-pmu-power10:10:001
272809962,3cyclictest21153-21tune2fs09:30:141
272809961,3cyclictest29012-21awk12:25:001
272809961,2cyclictest275-21systemd-journal10:16:291
272809961,2cyclictest12791-21idleruntime-cro09:00:001
272809961,0cyclictest141rcu_preempt10:25:211
272809960,6cyclictest0-21swapper/111:40:121
272809960,6cyclictest0-21swapper/110:48:221
272809960,6cyclictest0-21swapper/108:47:061
272809960,4cyclictest491-21systemd-logind11:35:171
272809960,1cyclictest141rcu_preempt10:55:131
272809960,0cyclictest0-21swapper/109:53:381
272809960,0cyclictest0-21swapper/109:35:351
272759966,0cyclictest0-21swapper/012:30:320
272759966,0cyclictest0-21swapper/009:33:060
272759966,0cyclictest0-21swapper/009:17:280
272759964,2cyclictest18132-21cron08:00:010
272759963,2cyclictest9381-21ssh11:35:180
272759963,2cyclictest663-21runrttasks10:40:110
272759963,2cyclictest504-21dbus-daemon07:20:000
272759963,2cyclictest31984-21ssh12:25:540
272759963,2cyclictest29518-11brltty10:39:500
272759963,2cyclictest275-21systemd-journal11:56:080
272759963,2cyclictest23443-21sh10:46:520
272759963,2cyclictest16871-21taskset12:36:020
272759963,2cyclictest13563-21taskset07:49:010
272759963,1cyclictest0-21swapper/011:45:240
272759963,1cyclictest0-21swapper/010:03:320
272759962,3cyclictest658-21snmpd12:00:090
272759962,3cyclictest658-21snmpd11:50:180
272759962,3cyclictest658-21snmpd11:41:220
272759962,3cyclictest658-21snmpd11:31:560
272759962,3cyclictest658-21snmpd11:23:470
272759962,3cyclictest658-21snmpd11:06:560
272759962,3cyclictest658-21snmpd10:31:280
272759962,3cyclictest658-21snmpd10:17:150
272759962,3cyclictest658-21snmpd09:38:190
272759962,3cyclictest658-21snmpd09:11:330
272759962,3cyclictest658-21snmpd08:43:210
272759962,3cyclictest658-21snmpd08:02:290
272759962,3cyclictest658-21snmpd07:39:400
272759962,3cyclictest658-21snmpd07:28:280
272759962,3cyclictest3175-21cat09:20:110
272759962,3cyclictest3061-21tr08:35:190
272759962,3cyclictest275-21systemd-journal10:05:340
272759962,1cyclictest0-21swapper/011:01:250
272759962,1cyclictest0-21swapper/010:13:150
272759960,6cyclictest0-21swapper/012:12:590
272759960,6cyclictest0-21swapper/010:54:180
272759960,6cyclictest0-21swapper/010:21:430
272759960,6cyclictest0-21swapper/009:52:000
272879953,2cyclictest22312-21sendmail_mailst12:20:183
272879953,1cyclictest658-21snmpd11:25:013
272879952,2cyclictest658-21snmpd08:45:113
272879952,2cyclictest23250-21diskstats08:10:123
272879952,2cyclictest23250-21diskstats08:10:123
272879952,2cyclictest21566-21ntpq08:05:183
272879952,2cyclictest14117-21cat07:50:133
272879951,3cyclictest29009-21wc08:20:203
272879951,3cyclictest18779-21cat09:10:153
272879950,4cyclictest3089-21irqstats07:25:163
272849953,1cyclictest658-21snmpd09:40:072
272849953,1cyclictest658-21snmpd08:50:032
272849953,1cyclictest26417-21cat08:15:212
272849953,1cyclictest16753-21ssh11:40:072
272849952,2cyclictest658-21snmpd11:35:052
272849952,2cyclictest658-21snmpd08:45:242
272849952,2cyclictest275-21systemd-journal08:11:552
272849952,2cyclictest275-21systemd-journal08:11:552
272849951,3cyclictest658-21snmpd07:35:102
272849951,3cyclictest5016-21/usr/sbin/munin07:30:152
272849951,3cyclictest3802-21cut09:20:142
272849951,3cyclictest27997-21cat08:20:142
272849951,3cyclictest27423-21ssh12:05:052
272849951,3cyclictest10915-21cat08:55:132
272849951,1cyclictest0-21swapper/210:25:032
272849950,3cyclictest20631-21rm09:30:122
272849950,2cyclictest5565-21/usr/sbin/munin12:30:152
272809953,1cyclictest14192-21sh09:25:421
272809952,2cyclictest8786-21taskset07:38:471
272809952,2cyclictest674-21lldpd12:35:051
272809952,2cyclictest658-21snmpd12:15:031
272809952,2cyclictest32713-21cat08:30:161
272809952,2cyclictest3071-21cat07:25:161
272809952,2cyclictest27910-21fschecks_count07:10:151
272809952,2cyclictest25308-21expr08:15:131
272809952,2cyclictest1890-21acpi08:35:121
272809952,2cyclictest10918-21sshd10:40:071
272809951,3cyclictest658-21snmpd11:55:291
272809951,3cyclictest658-21snmpd07:40:071
272809951,3cyclictest27176-21df09:15:121
272809951,3cyclictest1622-21/usr/sbin/munin11:50:121
272809951,3cyclictest11701-21taskset07:45:121
272809951,3cyclictest0-21swapper/107:15:021
272759953,1cyclictest30196-21ssh11:10:030
272759953,1cyclictest19187-21mailstats10:25:210
272759953,1cyclictest14365-21fschecks_time07:50:140
272759953,1cyclictest0-21swapper/010:56:190
272759952,2cyclictest6854-21fschecks_time08:45:140
272759952,2cyclictest658-21snmpd08:16:230
272759952,2cyclictest6370-21chrt07:32:450
272759952,2cyclictest32397-21cat08:30:140
272759952,2cyclictest30251-21cat08:25:140
272759952,2cyclictest28076-21fschecks_count12:05:140
272759952,2cyclictest23317-21sort08:10:130
272759952,2cyclictest23317-21sort08:10:120
272759952,2cyclictest16054-21uniq09:05:130
272759952,2cyclictest11800-21ssh09:25:070
272759951,3cyclictest8936-21cat08:50:120
272759951,3cyclictest658-21snmpd08:05:110
272759951,3cyclictest658-21snmpd07:10:030
272759951,3cyclictest23762-21cat11:25:140
272759950,2cyclictest9453-21/usr/sbin/munin07:40:110
272759950,2cyclictest5060-21ssh09:40:030
272849940,3cyclictest13122-21apt-config09:00:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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