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2026-05-14 - 16:09
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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
Characteristics of the 376 highest latencies:
System rack2slot0.osadl.org (updated Thu May 14, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96452970,1sleep1241ktimersoftd/111:39:401
311122580,2sleep2344899cyclictest09:30:402
164632560,0sleep0111rcuc/012:19:010
244072540,1sleep224408-21bash10:12:222
168482530,0sleep20-21swapper/211:34:452
144892530,0sleep20-21swapper/212:18:512
114242530,0sleep10-21swapper/109:20:221
218522520,0sleep321851-21bash12:05:343
177302510,0sleep20-21swapper/211:15:192
277972500,0sleep10-21swapper/111:41:091
171612500,0sleep217135-21sshd11:04:172
300122490,1sleep0111rcuc/009:10:520
227632490,0sleep00-21swapper/010:26:020
163402490,0sleep10-21swapper/110:06:081
106122490,0sleep20-21swapper/209:12:302
40142480,0sleep20-21swapper/211:08:422
205752480,2sleep1343999cyclictest09:33:241
123332480,0sleep312318-21sshd09:12:423
110462480,0sleep210996-21nfsd407:25:152
72822470,0sleep30-21swapper/312:37:353
33972470,0sleep00-21swapper/011:47:250
284732470,0sleep20-21swapper/212:39:262
237172470,1sleep023712-21lspci10:45:240
182542470,0sleep018257-21bash10:39:320
218962460,0sleep30-21swapper/312:33:183
255542410,1sleep3401ktimersoftd/311:46:313
17332370,0sleep00-21swapper/010:21:290
17332370,0sleep00-21swapper/010:21:290
183612360,0sleep10-21swapper/112:38:331
304723314,7sleep10-21swapper/107:06:331
31512319,7sleep30-21swapper/307:07:513
41282290,0sleep00-21swapper/012:23:300
288182260,0sleep10-21swapper/112:14:341
29912247,12sleep20-21swapper/207:05:502
225152240,0sleep20-21swapper/211:21:202
320022211,7sleep00-21swapper/007:08:280
196262190,0sleep219629-21bash11:12:462
217342170,1sleep221733-21sshd10:50:472
47212160,1sleep11073-21nfsd12:09:451
29962160,0sleep20-21swapper/210:46:272
289422160,1sleep328939-21lspci11:08:033
271292160,0sleep10-21swapper/110:56:471
234592160,1sleep0649-21polkitd09:52:580
135912160,2sleep1343999cyclictest07:30:191
12652160,1sleep233-21ksoftirqd/209:42:462
88812150,1sleep38884-21bash10:58:013
319512150,1sleep131916-21sshd11:49:541
8592140,0sleep30-21swapper/309:23:093
85212140,2sleep3345599cyclictest10:10:593
344899140,12cyclictest26304-21sshd12:33:422
3431991413,0cyclictest0-21swapper/011:20:000
3431991412,1cyclictest649-21polkitd12:38:390
270422140,0sleep027040-21bash10:18:090
268232140,0sleep30-21swapper/309:44:593
216212140,1sleep329977-21packagekitd12:02:503
216212140,1sleep329977-21packagekitd12:02:503
203182140,0sleep10-21swapper/109:41:371
64572130,1sleep233-21ksoftirqd/209:19:552
345599130,1cyclictest699-21gdbus10:42:383
3448991311,1cyclictest13514-21lspci12:07:422
3431991311,1cyclictest674-21dbus-daemon09:49:000
153362130,2sleep1343999cyclictest09:57:471
14782130,0sleep20-21swapper/211:44:312
41382120,0sleep20-21swapper/210:38:182
3455991210,1cyclictest3504-21sshd09:31:183
345599120,1cyclictest28666-21bash09:56:083
345599120,1cyclictest28423-21sshd10:04:273
345599120,1cyclictest15335-21sshd10:17:083
345599120,11cyclictest0-21swapper/311:55:083
345599120,11cyclictest0-21swapper/308:50:173
344899120,11cyclictest31942-21bash10:32:222
344899120,11cyclictest31942-21bash10:32:212
3439991210,1cyclictest620-17auditd12:03:471
3439991210,1cyclictest620-17auditd12:03:461
3439991210,1cyclictest5548-21munin-node10:23:371
3439991210,1cyclictest5548-21munin-node10:23:371
3439991210,1cyclictest32587-21bash10:37:571
3439991210,1cyclictest0-21swapper/110:41:071
343999120,1cyclictest28406-21sshd09:45:071
343999120,1cyclictest1072-21nfsd12:24:471
343999120,1cyclictest0-21swapper/111:55:571
343999120,11cyclictest649-21polkitd11:33:071
343999120,11cyclictest26616-21sshd11:02:171
343999120,11cyclictest21459-21lspci09:52:461
343999120,11cyclictest1046-21sshd12:25:571
3431991210,1cyclictest0-21swapper/012:25:100
31812120,0sleep00-21swapper/009:40:120
81492110,0sleep00-21swapper/009:59:580
345599119,1cyclictest31442-21lspci09:48:083
345599119,1cyclictest28431-21lspci11:19:083
344899119,1cyclictest16061-21sshd09:38:322
344899119,1cyclictest12500-21sshd11:45:222
344899119,1cyclictest0-21swapper/211:56:222
3448991110,0cyclictest0-21swapper/212:20:312
3439991110,0cyclictest0-21swapper/109:17:071
343999110,0cyclictest0-21swapper/111:08:371
3431991110,0cyclictest6314-21sshd12:01:300
3431991110,0cyclictest6314-21sshd12:01:300
3431991110,0cyclictest20175-21lspci10:00:550
3431991110,0cyclictest0-21swapper/011:38:400
343199110,1cyclictest131rcu_sched10:54:030
343199110,10cyclictest0-21swapper/011:54:000
343199110,10cyclictest0-21swapper/011:26:000
343199110,0cyclictest0-21swapper/012:33:400
343199110,0cyclictest0-21swapper/011:43:000
343199110,0cyclictest0-21swapper/009:10:000
345599109,0cyclictest0-21swapper/310:23:583
345599109,0cyclictest0-21swapper/310:23:573
345599109,0cyclictest0-21swapper/309:35:273
345599100,0cyclictest0-21swapper/312:22:483
345599100,0cyclictest0-21swapper/311:12:383
345599100,0cyclictest0-21swapper/309:28:383
344899109,0cyclictest0-21swapper/210:07:322
344899109,0cyclictest0-21swapper/209:27:322
344899108,1cyclictest6665-21sshd10:19:122
344899108,1cyclictest14000-21lspci10:00:222
344899100,0cyclictest0-21swapper/210:21:122
344899100,0cyclictest0-21swapper/210:21:122
343999109,0cyclictest0-21swapper/109:09:571
343999109,0cyclictest0-21swapper/108:35:071
343999109,0cyclictest0-21swapper/108:05:571
343999108,1cyclictest1-21systemd11:54:471
343999100,0cyclictest0-21swapper/109:36:171
343199109,0cyclictest0-21swapper/010:14:000
343199109,0cyclictest0-21swapper/010:09:500
343199109,0cyclictest0-21swapper/009:17:100
343199109,0cyclictest0-21swapper/007:14:500
343199100,0cyclictest0-21swapper/010:34:000
343199100,0cyclictest0-21swapper/010:34:000
9869290,1sleep2321ktimersoftd/210:41:302
34559998,0cyclictest0-21swapper/310:31:083
34559998,0cyclictest0-21swapper/310:31:083
34559998,0cyclictest0-21swapper/309:18:083
34559997,1cyclictest0-21swapper/311:32:183
34559996,2cyclictest13913-21sshd11:40:023
34489998,0cyclictest0-21swapper/210:27:122
34489998,0cyclictest0-21swapper/209:53:322
34489998,0cyclictest0-21swapper/209:47:022
34489998,0cyclictest0-21swapper/207:15:022
34489997,1cyclictest14545-21sshd09:24:522
34489996,2cyclictest649-21polkitd12:26:042
34399998,0cyclictest16359-21sshd11:23:371
34399998,0cyclictest0-21swapper/110:25:371
34399998,0cyclictest0-21swapper/110:03:471
34399998,0cyclictest0-21swapper/108:42:461
34399997,1cyclictest27509-21sshd09:14:371
34399996,2cyclictest674-21dbus-daemon10:19:361
34319998,0cyclictest0-21swapper/011:10:390
34319998,0cyclictest0-21swapper/009:32:100
34319998,0cyclictest0-21swapper/008:15:200
34319991,1cyclictest131rcu_sched12:14:570
34319990,0cyclictest131rcu_sched11:03:350
34559987,0cyclictest0-21swapper/311:39:483
34559987,0cyclictest0-21swapper/310:50:083
34559987,0cyclictest0-21swapper/310:25:583
34559987,0cyclictest0-21swapper/307:35:173
34559986,1cyclictest24105-21lspci10:45:273
34559986,1cyclictest21494-21sshd10:36:593
34559985,2cyclictest29244-21sshd11:27:293
34559984,3cyclictest674-21dbus-daemon11:02:583
34559983,4cyclictest699-21gdbus11:54:153
34559983,2cyclictest29979-21gdbus12:12:583
34489986,1cyclictest33-21ksoftirqd/212:13:122
34489986,1cyclictest28630-21lspci09:58:572
34489986,1cyclictest15007-21lspci11:29:032
34489985,2cyclictest660-21avahi-daemon11:54:242
34399987,0cyclictest0-21swapper/110:14:471
34399986,1cyclictest0-21swapper/111:15:571
34399985,2cyclictest660-21avahi-daemon12:31:411
34399985,2cyclictest660-21avahi-daemon11:10:391
34399985,2cyclictest660-21avahi-daemon10:32:461
34399985,2cyclictest660-21avahi-daemon10:32:461
34399985,2cyclictest25636-21sshd10:51:081
34319987,0cyclictest0-21swapper/009:36:200
34319986,1cyclictest9-21ksoftirqd/012:05:530
34319986,1cyclictest9-21ksoftirqd/010:59:160
34319986,1cyclictest15603-21lspci11:06:530
34319985,2cyclictest660-21avahi-daemon11:56:330
34319985,2cyclictest660-21avahi-daemon11:34:090
34319985,2cyclictest660-21avahi-daemon10:42:040
34319985,2cyclictest660-21avahi-daemon09:29:280
34559976,0cyclictest0-21swapper/312:25:083
34559975,1cyclictest699-21gdbus11:20:023
34559975,1cyclictest660-21avahi-daemon10:05:143
34559973,3cyclictest674-21dbus-daemon12:15:163
34559972,2cyclictest674-21dbus-daemon09:50:153
34489975,1cyclictest10459-21wc10:55:192
34489973,3cyclictest33-21ksoftirqd/211:36:142
34399976,0cyclictest14284-21lspci09:28:441
34399975,1cyclictest660-21avahi-daemon12:16:531
34399975,1cyclictest660-21avahi-daemon11:26:071
34399975,1cyclictest660-21avahi-daemon10:45:381
34319975,1cyclictest660-21avahi-daemon11:20:140
34319975,1cyclictest660-21avahi-daemon09:23:190
21521270,1sleep221522-21sshd12:00:052
21521270,1sleep221522-21sshd12:00:042
34559963,2cyclictest1002-21snmpd09:00:043
34559963,2cyclictest1002-21snmpd09:00:043
34559963,2cyclictest1002-21snmpd08:35:573
34559963,2cyclictest1002-21snmpd08:15:363
34559962,3cyclictest674-21dbus-daemon09:09:383
34559960,5cyclictest0-21swapper/308:28:583
34559960,5cyclictest0-21swapper/307:49:083
34559960,5cyclictest0-21swapper/307:20:083
34489964,1cyclictest27049-21mii-tool08:05:142
34489963,2cyclictest1002-21snmpd08:48:162
34489963,2cyclictest1002-21snmpd08:23:152
34399965,0cyclictest0-21swapper/108:54:571
34399965,0cyclictest0-21swapper/108:31:171
34399965,0cyclictest0-21swapper/107:25:061
34399963,2cyclictest1002-21snmpd07:13:071
34319964,1cyclictest4701-21grep08:30:100
34319963,2cyclictest1002-21snmpd08:48:220
34319963,2cyclictest1002-21snmpd08:06:220
34559953,1cyclictest649-21polkitd08:30:003
34559953,1cyclictest6193-21mii-tool07:15:023
34559953,1cyclictest22966-21mii-tool07:55:133
34559953,1cyclictest15038-21cat08:55:143
34559953,1cyclictest1082-21lldpd07:30:163
34559953,1cyclictest1002-21snmpd08:45:133
34559953,1cyclictest1002-21snmpd08:41:043
34559953,1cyclictest1002-21snmpd08:11:123
34559953,1cyclictest1002-21snmpd08:05:083
34559953,1cyclictest1002-21snmpd08:01:013
34559953,1cyclictest1002-21snmpd07:50:563
34559953,1cyclictest1002-21snmpd07:41:443
34559953,1cyclictest1002-21snmpd07:25:133
34559953,1cyclictest1002-21snmpd07:10:003
34489953,1cyclictest8884-21hwlatdetect08:40:132
34489953,1cyclictest19744-21swap09:05:182
34489953,1cyclictest17072-21needreboot07:40:152
34489953,1cyclictest14802-21cat07:35:132
34489953,1cyclictest1002-21snmpd08:55:072
34489953,1cyclictest1002-21snmpd08:50:282
34489953,1cyclictest1002-21snmpd08:37:122
34489953,1cyclictest1002-21snmpd08:31:182
34489953,1cyclictest1002-21snmpd08:19:532
34489953,1cyclictest1002-21snmpd08:00:322
34489953,1cyclictest1002-21snmpd07:58:142
34489953,1cyclictest1002-21snmpd07:50:352
34489953,1cyclictest1002-21snmpd07:45:502
34489953,1cyclictest1002-21snmpd07:20:342
34489952,2cyclictest16945-21grep09:00:142
34489952,2cyclictest16945-21grep09:00:142
34489952,2cyclictest12438-21tr07:30:112
34489952,2cyclictest1002-21snmpd08:26:002
34399953,1cyclictest8737-21cat07:20:131
34399953,1cyclictest674-21dbus-daemon08:20:001
34399953,1cyclictest620-17auditd09:01:531
34399953,1cyclictest620-17auditd09:01:521
34399953,1cyclictest16879-21cat07:40:141
34399953,1cyclictest16382-21turbostat09:00:001
34399953,1cyclictest11031-21irqstats08:45:141
34399953,1cyclictest1002-21snmpd08:02:231
34399953,1cyclictest1002-21snmpd07:57:291
34399953,1cyclictest1002-21snmpd07:50:011
34399953,1cyclictest1002-21snmpd07:35:531
34399953,1cyclictest1002-21snmpd07:19:191
34399952,2cyclictest29084-21cat08:10:121
34399952,2cyclictest1002-21snmpd08:27:001
34399951,3cyclictest18950-21kernelversion07:45:121
34319953,1cyclictest660-21avahi-daemon08:35:000
34319953,1cyclictest2851-21cat08:25:140
34319953,1cyclictest20218-21sadc07:50:000
34319953,1cyclictest1002-21snmpd09:03:070
34319953,1cyclictest1002-21snmpd09:03:070
34319953,1cyclictest1002-21snmpd08:51:250
34319953,1cyclictest1002-21snmpd08:41:550
34319953,1cyclictest1002-21snmpd08:21:540
34319953,1cyclictest1002-21snmpd08:10:180
34319953,1cyclictest1002-21snmpd08:00:050
34319953,1cyclictest1002-21snmpd07:56:290
34319953,1cyclictest1002-21snmpd07:41:290
34319953,1cyclictest1002-21snmpd07:35:050
34319952,2cyclictest8363-21tr07:20:100
34319952,2cyclictest1002-21snmpd07:32:320
34319950,4cyclictest16091-21sshd08:56:320
34319950,4cyclictest0-21swapper/007:26:400
34559941,2cyclictest1002-21snmpd08:20:123
34489942,1cyclictest674-21dbus-daemon08:10:002
34489941,2cyclictest3625-21/usr/sbin/munin07:10:132
34399942,1cyclictest785-21interrupts08:20:131
34319944,0cyclictest18166-21kworker/0:007:50:080
34319942,1cyclictest5906-21vmstat07:15:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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