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2026-05-07 - 19:23
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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 Thu May 07, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166752293263,19sleep20-21swapper/207:07:082
168402271239,21sleep10-21swapper/107:09:161
167612266235,20sleep00-21swapper/007:08:140
167742256224,22sleep30-21swapper/307:08:273
294572630,0sleep2271rcuc/212:36:062
26602620,0sleep00-21swapper/009:45:190
217772590,0sleep10-21swapper/110:35:171
207812590,0sleep30-21swapper/311:32:543
61132580,0sleep20-21swapper/207:55:012
27102580,0sleep20-21swapper/212:00:262
240872580,0sleep00-21swapper/009:39:290
309892550,0sleep10-21swapper/112:17:591
114002550,0sleep10-21swapper/111:27:061
221602210,0sleep00-21swapper/010:15:580
276542180,0sleep20-21swapper/210:58:322
21252180,0sleep20-21swapper/207:45:122
158542180,0sleep00-21swapper/009:53:480
212122150,0sleep00-21swapper/011:52:320
48532140,0sleep30-21swapper/312:21:233
323382130,0sleep20-21swapper/209:44:242
153972130,0sleep30-21swapper/310:50:323
54662120,0sleep20-21swapper/209:27:592
184142120,0sleep30-21swapper/311:11:503
17003991210,1cyclictest12-21ksoftirqd/007:30:000
1700399114,1cyclictest141rcu_preempt07:35:120
1700399111,3cyclictest12-21ksoftirqd/007:10:130
17003991110,1cyclictest12-21ksoftirqd/009:20:000
1700399109,1cyclictest12-21ksoftirqd/011:50:010
1700399109,1cyclictest12-21ksoftirqd/010:35:000
1700399109,1cyclictest12-21ksoftirqd/007:35:000
1700399108,1cyclictest12-21ksoftirqd/012:15:000
1700399107,2cyclictest12-21ksoftirqd/008:25:010
112502100,0sleep30-21swapper/311:07:583
22142290,0sleep20-21swapper/209:18:412
170069994,3cyclictest275-21systemd-journal09:20:411
170039998,1cyclictest12-21ksoftirqd/010:40:000
170039998,1cyclictest12-21ksoftirqd/010:10:010
170039998,1cyclictest12-21ksoftirqd/009:45:010
170039998,1cyclictest12-21ksoftirqd/009:25:000
170039996,2cyclictest14375-21sh09:33:260
170039993,4cyclictest12-21ksoftirqd/012:30:190
170039990,1cyclictest0-21swapper/007:55:130
12880290,1sleep2141rcu_preempt10:50:002
170159980,7cyclictest29589-21ssh12:16:553
170119986,1cyclictest19179-21apt07:15:002
170069980,3cyclictest275-21systemd-journal11:55:011
170039987,1cyclictest12-21ksoftirqd/010:50:010
170039986,1cyclictest12-21ksoftirqd/012:10:000
170039986,1cyclictest12-21ksoftirqd/009:15:000
170039986,1cyclictest12-21ksoftirqd/008:35:010
170039984,1cyclictest6841-21munin-run11:25:000
24552270,2sleep334-21ksoftirqd/312:14:293
170159975,1cyclictest34-21ksoftirqd/308:35:013
170159974,2cyclictest275-21systemd-journal07:14:123
170159973,3cyclictest27377-21cron10:20:013
170159972,4cyclictest658-21snmpd11:59:383
170119974,2cyclictest504-21dbus-daemon08:23:552
170119973,3cyclictest658-21snmpd12:17:182
170119973,3cyclictest275-21systemd-journal12:30:582
170119973,3cyclictest11143-21ntpq12:25:162
170119973,3cyclictest0-21swapper/210:00:472
170119970,3cyclictest65850snmpd09:10:392
170119970,1cyclictest1670-21ssh10:23:452
170069974,2cyclictest8073-21diskstats09:10:131
170069973,3cyclictest658-21snmpd07:55:341
170069972,3cyclictest22552-21idleruntime-cro11:15:011
170069971,4cyclictest16432-21perf09:35:001
170069971,3cyclictest19869-21ls10:35:001
170069970,4cyclictest21491-21munin-run08:30:011
170039976,1cyclictest12-21ksoftirqd/011:45:010
170039976,1cyclictest12-21ksoftirqd/010:25:010
170039976,1cyclictest12-21ksoftirqd/009:10:010
170039976,1cyclictest12-21ksoftirqd/009:05:010
170039976,1cyclictest12-21ksoftirqd/008:50:000
170039976,1cyclictest12-21ksoftirqd/008:40:000
170039976,1cyclictest12-21ksoftirqd/008:30:010
170039976,1cyclictest12-21ksoftirqd/007:15:020
170039975,2cyclictest12-21ksoftirqd/010:45:000
170039975,2cyclictest12-21ksoftirqd/007:25:000
170039975,1cyclictest12-21ksoftirqd/008:55:000
170039974,2cyclictest15300-21ssh10:12:190
170039974,1cyclictest141rcu_preempt08:55:020
170039973,3cyclictest10022-21sshd11:26:030
170039973,2cyclictest275-21systemd-journal08:00:150
170039973,1cyclictest12-21ksoftirqd/011:10:000
170039972,2cyclictest8127-21dump-pmu-power09:30:000
170039972,0cyclictest12-21ksoftirqd/011:58:120
170039971,1cyclictest141rcu_preempt11:35:000
170039970,4cyclictest0-21swapper/011:18:520
170039970,3cyclictest1725-21ssh12:20:100
16290270,0sleep122-21ksoftirqd/111:50:011
14370270,0sleep20-21swapper/212:08:042
20882260,0sleep10-21swapper/112:30:531
170159964,1cyclictest3596-21hddtemp_smartct09:00:133
170159963,2cyclictest658-21snmpd08:49:183
170159963,2cyclictest6133-21ssh10:06:433
170159963,2cyclictest501-21in:imuxsock11:50:023
170159963,2cyclictest31344-21ssh10:40:453
170159963,2cyclictest27996-21rm09:21:463
170159963,2cyclictest26989-21ssh10:38:493
170159963,2cyclictest26895-21df10:00:103
170159963,2cyclictest25672-11brltty10:45:203
170159963,2cyclictest20437-21ssh09:55:563
170159963,2cyclictest17638-21ssh10:33:193
170159963,2cyclictest11936-21ssh11:27:313
170159963,2cyclictest10441-21ssh09:30:253
170159963,2cyclictest0-21swapper/310:28:383
170159963,1cyclictest0-21swapper/309:19:393
170159962,3cyclictest8956-21cat11:45:133
170159962,3cyclictest658-21snmpd12:37:573
170159962,3cyclictest658-21snmpd12:34:103
170159962,3cyclictest658-21snmpd12:28:373
170159962,3cyclictest658-21snmpd11:43:553
170159962,3cyclictest658-21snmpd11:19:073
170159962,3cyclictest658-21snmpd10:57:033
170159962,3cyclictest658-21snmpd10:24:273
170159962,3cyclictest658-21snmpd10:11:173
170159962,3cyclictest658-21snmpd09:41:233
170159962,3cyclictest658-21snmpd09:37:023
170159962,3cyclictest658-21snmpd08:35:033
170159962,3cyclictest658-21snmpd08:22:593
170159962,3cyclictest658-21snmpd08:05:313
170159962,3cyclictest658-21snmpd07:31:093
170159962,3cyclictest658-21snmpd07:23:543
170159962,3cyclictest658-21snmpd07:18:483
170159962,3cyclictest24970-21grep07:25:123
170159962,3cyclictest2060-21cat07:45:123
170159962,3cyclictest1780-21sshd11:21:083
170159962,2cyclictest28215-1kworker/u9:109:26:003
170159961,3cyclictest3870-21rm12:01:203
170159961,3cyclictest275-21systemd-journal12:07:373
170159960,6cyclictest0-21swapper/311:37:143
170159960,5cyclictest32306-21df07:40:143
170159960,2cyclictest10751-21sh09:11:213
170159960,0cyclictest0-21swapper/311:00:183
170119966,0cyclictest0-21swapper/211:56:432
170119964,1cyclictest0-21swapper/210:35:112
170119963,2cyclictest9105-21fschecks_time09:30:132
170119963,2cyclictest658-21snmpd11:09:432
170119963,2cyclictest658-21snmpd11:01:542
170119963,2cyclictest25783-21sshd11:16:072
170119963,2cyclictest24194-21sh09:39:332
170119963,2cyclictest1930-21cat09:45:142
170119963,2cyclictest17363-21ssh11:11:032
170119963,2cyclictest11213-21sshd08:05:152
170119963,1cyclictest0-21swapper/211:40:052
170119962,3cyclictest658-21snmpd12:24:442
170119962,3cyclictest658-21snmpd11:35:342
170119962,3cyclictest658-21snmpd10:26:552
170119962,3cyclictest658-21snmpd10:13:532
170119962,3cyclictest658-21snmpd08:58:242
170119962,3cyclictest658-21snmpd08:28:512
170119962,3cyclictest658-21snmpd08:19:412
170119962,3cyclictest658-21snmpd07:44:312
170119962,3cyclictest658-21snmpd07:35:042
170119962,3cyclictest658-21snmpd07:32:162
170119962,3cyclictest504-21dbus-daemon10:34:552
170119962,3cyclictest32137-21cat11:20:162
170119962,3cyclictest31152-21fw_packets08:50:132
170119962,3cyclictest275-21systemd-journal07:56:012
170119962,3cyclictest26690-21cut08:40:132
170119962,3cyclictest22971-21ls08:30:192
170119962,3cyclictest20299-21cat10:15:162
170119962,1cyclictest0-21swapper/209:52:522
170119961,4cyclictest15259-21awk11:30:002
170119961,1cyclictest2552-21apt-get10:05:122
170119960,6cyclictest0-21swapper/211:47:272
170119960,3cyclictest25263-21latency_hist12:15:012
170069966,0cyclictest0-21swapper/109:56:061
170069966,0cyclictest0-21swapper/109:17:001
170069963,2cyclictest9777-21sh10:47:371
170069963,2cyclictest9263-21sh11:06:281
170069963,2cyclictest658-21snmpd09:42:071
170069963,2cyclictest504-21dbus-daemon11:30:011
170069963,2cyclictest31920-21ssh10:22:041
170069963,2cyclictest28305-21sh10:00:211
170069963,2cyclictest275-21systemd-journal12:26:151
170069963,2cyclictest275-21systemd-journal08:07:141
170069963,2cyclictest2578-21taskset11:02:441
170069963,2cyclictest25559-21ssh11:15:571
170069963,2cyclictest22-21ksoftirqd/109:05:001
170069963,2cyclictest2031-21ssh09:25:211
170069963,2cyclictest17482-21ssh10:14:011
170069963,2cyclictest14348-21head10:50:151
170069963,2cyclictest11702-21rm09:50:381
170069962,3cyclictest658-21snmpd12:01:331
170069962,3cyclictest658-21snmpd11:21:341
170069962,3cyclictest658-21snmpd09:06:251
170069962,3cyclictest658-21snmpd08:37:381
170069962,3cyclictest658-21snmpd08:10:531
170069962,3cyclictest658-21snmpd07:48:341
170069962,3cyclictest658-21snmpd07:27:371
170069962,3cyclictest658-21snmpd07:14:451
170069962,3cyclictest504-21dbus-daemon08:55:001
170069962,3cyclictest27517-21cut12:35:161
170069962,3cyclictest25672-11brltty10:16:341
170069962,3cyclictest22090-21cat10:55:141
170069962,3cyclictest17624-21cat09:35:131
170069962,2cyclictest1601-21sh09:45:121
170069961,4cyclictest2811-21expr10:05:141
170069960,6cyclictest0-21swapper/112:11:091
170069960,5cyclictest2880-21latency_hist09:00:001
170069960,3cyclictest25816-21sort11:55:171
170069960,0cyclictest0-21swapper/111:41:491
170039965,1cyclictest12-21ksoftirqd/008:15:010
170039965,1cyclictest12-21ksoftirqd/007:55:010
170039965,1cyclictest0-21swapper/012:03:410
170039964,2cyclictest12-21ksoftirqd/007:45:010
170039963,2cyclictest29557-21sh10:01:170
170039963,2cyclictest10698-21sh10:29:170
170039963,1cyclictest0-21swapper/011:00:250
170039962,3cyclictest658-21snmpd09:58:540
170039962,3cyclictest560-21gdbus07:45:060
170039962,3cyclictest504-21dbus-daemon11:10:000
170039962,1cyclictest12-21ksoftirqd/012:26:170
170039962,1cyclictest0-21swapper/010:51:320
170039961,3cyclictest141rcu_preempt11:35:180
170039961,2cyclictest26259-21/usr/sbin/munin12:15:120
170039961,1cyclictest141rcu_preempt08:45:000
170039961,1cyclictest131rcuc/012:35:130
170159952,2cyclictest658-21snmpd09:50:023
170159952,2cyclictest658-21snmpd08:25:083
170159952,2cyclictest6541-21expr07:55:133
170159952,2cyclictest5458-21expr09:05:143
170159952,2cyclictest504-21dbus-daemon07:35:033
170159952,2cyclictest30988-21cat08:50:133
170159952,2cyclictest26884-21cat08:40:153
170159952,2cyclictest1623-21needreboot08:55:153
170159952,2cyclictest15245-21ls08:15:113
170159952,2cyclictest13456-21sort08:10:143
170159951,3cyclictest4609-21cat07:50:143
170159950,4cyclictest31129-11brltty08:01:233
170159950,4cyclictest1736-21fw_packets09:45:133
170119953,1cyclictest8638-21expr08:00:122
170119953,1cyclictest663-21runrttasks09:01:092
170119953,1cyclictest0-21swapper/211:30:022
170119952,2cyclictest658-21snmpd07:25:072
170119952,2cyclictest5433-21seq09:05:142
170119952,2cyclictest29645-21grep10:40:142
170119952,2cyclictest28777-21expr08:45:112
170119952,2cyclictest24101-21tr08:35:132
170119952,2cyclictest23178-21cat07:20:172
170119952,2cyclictest20026-21apt07:15:012
170119952,2cyclictest18228-21expr09:55:132
170119952,2cyclictest13483-21rm10:50:112
170119952,2cyclictest13054-21expr08:10:122
170119952,1cyclictest0-21swapper/209:20:072
170119951,3cyclictest16930-21cat11:50:122
170069952,2cyclictest658-21snmpd07:30:031
170069952,2cyclictest658-21snmpd07:15:101
170069952,2cyclictest4441-21sh10:25:141
170069952,2cyclictest3472-21ssh12:20:191
170069952,2cyclictest32440-21sshd07:40:141
170069952,2cyclictest29132-21cpuspeed10:40:121
170069952,2cyclictest22986-21cat07:20:171
170069952,2cyclictest21947-21cstates08:30:121
170069952,2cyclictest17604-21expr08:20:121
170069952,2cyclictest15723-21cat08:15:141
170069952,1cyclictest0-21swapper/111:35:071
170069951,3cyclictest658-21snmpd08:40:081
170069951,3cyclictest658-21snmpd07:50:101
170069951,3cyclictest28409-21/usr/sbin/munin08:45:171
170069950,3cyclictest275-21systemd-journal12:05:081
170069950,3cyclictest275-21systemd-journal07:35:101
170039952,2cyclictest504-21dbus-daemon08:05:090
170039951,3cyclictest658-21snmpd10:55:070
170039950,1cyclictest141rcu_preempt08:15:280
170069941,2cyclictest658-21snmpd08:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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