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2026-03-23 - 20:26
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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 highest latencies:
System rack2slot0.osadl.org (updated Mon Mar 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2400421030,0sleep30-21swapper/312:33:373
34012990,0sleep10-21swapper/112:37:191
298282820,0sleep229827-21sshd10:58:442
120842560,0sleep312086-21tty10:22:043
310762550,0sleep00-21swapper/009:53:570
291672550,0sleep20-21swapper/211:12:142
188952550,1sleep30-21swapper/309:19:123
247722540,0sleep20-21swapper/211:39:092
320662530,1sleep032064-21sshd10:23:450
210942520,0sleep20-21swapper/212:03:162
157872520,0sleep10-21swapper/111:05:361
95682510,0sleep0111rcuc/010:00:140
71612510,1sleep1622-13audispd12:04:521
311412510,0sleep00-21swapper/010:26:220
287912510,0sleep20-21swapper/212:06:372
167192510,1sleep30-21swapper/310:03:343
33862500,0sleep3391rcuc/311:01:533
309112500,0sleep00-21swapper/009:31:580
138242500,0sleep20-21swapper/210:51:552
258692490,0sleep20-21swapper/210:31:202
81462480,0sleep00-21swapper/011:35:030
254452480,0sleep30-21swapper/311:50:043
189982480,0sleep10-21swapper/112:33:111
179512480,0sleep00-21swapper/009:26:380
308362470,0sleep20-21swapper/211:09:412
284572470,0sleep30-21swapper/310:50:243
27852470,0sleep10-21swapper/110:59:111
168242470,0sleep00-21swapper/011:13:560
43422420,2sleep22016599cyclictest11:53:432
241522370,0sleep00-21swapper/009:42:310
23062370,2sleep12015899cyclictest11:29:071
30582360,2sleep12015899cyclictest12:26:181
30582360,2sleep12015899cyclictest12:26:181
1966923321,7sleep00-21swapper/007:05:240
198252309,7sleep30-21swapper/307:07:233
1946222515,5sleep10-21swapper/107:05:211
197252219,7sleep20-21swapper/207:06:062
114022210,0sleep10-21swapper/109:10:371
20165992020,0cyclictest321ktimersoftd/208:54:362
20165991919,0cyclictest321ktimersoftd/207:59:532
193322190,1sleep0649-21polkitd09:23:010
193322190,1sleep0649-21polkitd09:23:010
143442190,0sleep10-21swapper/111:46:211
256962180,1sleep2321ktimersoftd/210:39:292
80122170,0sleep38016-21bash10:27:093
246052170,0sleep20-21swapper/210:09:412
2016599177,3cyclictest33-21ksoftirqd/212:00:002
2015299170,1cyclictest18612-21cp11:30:230
139772170,0sleep10-21swapper/111:40:521
55882160,2sleep22016599cyclictest12:21:032
276572160,2sleep32017399cyclictest11:33:573
254542160,0sleep20-21swapper/210:20:272
23742160,0sleep00-21swapper/009:17:130
234712160,0sleep00-21swapper/012:25:170
234712160,0sleep00-21swapper/012:25:170
2015299164,5cyclictest674-21dbus-daemon11:46:110
249122150,0sleep00-21swapper/009:12:160
2016599156,1cyclictest33-21ksoftirqd/210:45:212
2016599156,1cyclictest33-21ksoftirqd/209:41:082
2016599154,3cyclictest33-21ksoftirqd/209:52:372
20165991515,0cyclictest321ktimersoftd/208:59:372
20165991515,0cyclictest321ktimersoftd/207:32:372
2015299152,1cyclictest0-21swapper/010:45:270
2015299150,2cyclictest15424-21sshd10:33:120
2015299150,1cyclictest20869-21bash11:52:210
2015299150,1cyclictest1-21systemd10:08:580
2015299150,1cyclictest1-21systemd09:56:260
2015299150,1cyclictest10443-21bash10:16:340
145242150,0sleep30-21swapper/312:05:223
4012140,0sleep10-21swapper/110:42:451
2017399141,1cyclictest21377-21sshd10:06:383
2016599144,3cyclictest33-21ksoftirqd/209:38:352
2016599144,2cyclictest33-21ksoftirqd/209:55:142
2016599143,3cyclictest33-21ksoftirqd/210:41:032
20165991414,0cyclictest321ktimersoftd/209:04:382
20165991414,0cyclictest321ktimersoftd/208:05:052
20165991412,1cyclictest33-21ksoftirqd/209:11:252
2016599140,3cyclictest3482-21lspci09:48:562
20158991413,0cyclictest15340-21lspci09:33:411
20158991411,2cyclictest699-21gdbus09:45:231
2015299143,8cyclictest1002-21snmpd11:44:170
2015299143,6cyclictest14400-21sshd12:05:210
2015299143,5cyclictest17235-21sshd09:47:210
2015299140,1cyclictest32550irq/27-ahci[00010:40:260
2015299140,1cyclictest25181-21cp10:55:340
2015299140,1cyclictest16460-21sshd10:38:420
2015299140,1cyclictest1026-21sshd12:23:260
2015299140,1cyclictest1002-21snmpd12:02:230
194202140,0sleep10-21swapper/109:44:531
191482140,0sleep20-21swapper/211:46:462
175532140,0sleep10-21swapper/109:26:351
287422130,0sleep228745-21bash10:18:072
21662130,0sleep2311rcuc/212:15:182
2017399130,12cyclictest1-21systemd11:46:083
2016599135,1cyclictest33-21ksoftirqd/211:02:542
2016599133,3cyclictest33-21ksoftirqd/209:20:402
2016599133,3cyclictest33-21ksoftirqd/209:20:402
2016599133,3cyclictest33-21ksoftirqd/209:16:072
2016599133,2cyclictest33-21ksoftirqd/212:14:172
2016599133,2cyclictest33-21ksoftirqd/211:15:022
2016599132,3cyclictest33-21ksoftirqd/212:35:432
20158991312,0cyclictest32560-21lspci10:50:451
2015299133,7cyclictest17226-21sshd11:00:190
2015299130,2cyclictest674-21dbus-daemon09:37:590
2015299130,2cyclictest15290-21sshd11:57:190
2015299130,1cyclictest20996-21sshd11:16:580
2015299130,1cyclictest17410-21grepconf.sh12:11:080
38522120,0sleep1231rcuc/110:02:271
300832120,0sleep20-21swapper/210:12:502
20173991210,1cyclictest23485-21sshd12:17:083
2017399120,1cyclictest9861-21systemd-cgroups11:26:583
2017399120,1cyclictest30133-21bash11:09:383
2017399120,11cyclictest1-21systemd09:37:383
2017399120,11cyclictest0-21swapper/312:00:083
2016599124,3cyclictest33-21ksoftirqd/210:25:322
2016599124,3cyclictest33-21ksoftirqd/210:04:052
2016599124,1cyclictest33-21ksoftirqd/211:41:282
2016599123,3cyclictest33-21ksoftirqd/211:28:272
2016599122,2cyclictest33-21ksoftirqd/211:22:452
2016599122,1cyclictest660-21avahi-daemon11:32:282
2015899120,11cyclictest11358-21sshd10:11:131
2015299124,4cyclictest7442-21sshd12:18:310
2015299123,4cyclictest32238-21lspci11:23:220
2015299120,1cyclictest28752-21cp11:25:450
2015299120,1cyclictest21738-21tty11:06:070
2015299120,1cyclictest16183-21bash12:38:280
2015299120,1cyclictest1-21systemd10:13:460
143382120,0sleep30-21swapper/310:57:253
2017399110,10cyclictest0-21swapper/311:23:283
2016599113,1cyclictest33-21ksoftirqd/212:30:202
2016599113,1cyclictest33-21ksoftirqd/212:25:352
2016599113,1cyclictest33-21ksoftirqd/212:25:352
2016599113,1cyclictest33-21ksoftirqd/209:25:452
2016599111,1cyclictest33-21ksoftirqd/209:32:382
2015899114,1cyclictest25-21ksoftirqd/111:00:151
2015899114,1cyclictest25-21ksoftirqd/110:29:311
2015899114,1cyclictest25-21ksoftirqd/110:20:001
2015899111,1cyclictest131rcu_sched10:24:081
20158991110,0cyclictest1341-21lspci11:39:541
20158991110,0cyclictest0-21swapper/109:59:531
20158991110,0cyclictest0-21swapper/109:36:331
2015899110,10cyclictest7003-21runrttasks09:51:531
2015899110,0cyclictest0-21swapper/111:22:231
2015299112,6cyclictest1002-21snmpd08:20:320
2015299110,1cyclictest6384-21sshd12:32:060
2015299110,1cyclictest28845-21systemd-cgroups10:50:260
2015299110,1cyclictest15570-21cat08:15:130
2017399109,0cyclictest19576-21sshd10:38:583
2017399109,0cyclictest0-21swapper/311:43:483
2017399109,0cyclictest0-21swapper/311:15:483
2017399109,0cyclictest0-21swapper/311:10:483
2017399109,0cyclictest0-21swapper/309:33:483
2017399109,0cyclictest0-21swapper/309:28:483
2017399109,0cyclictest0-21swapper/308:07:283
2017399108,1cyclictest4716-21lspci10:32:183
2017399106,2cyclictest660-21avahi-daemon09:46:363
2017399100,0cyclictest0-21swapper/312:21:283
2017399100,0cyclictest0-21swapper/311:55:283
2017399100,0cyclictest0-21swapper/307:32:273
20165991010,0cyclictest321ktimersoftd/209:05:282
2015899109,0cyclictest24947-21sshd10:09:421
2015899108,1cyclictest28051-21lspci12:06:331
2015899103,1cyclictest25-21ksoftirqd/110:32:501
2015899102,0cyclictest131rcu_sched11:15:301
2015899101,1cyclictest131rcu_sched10:38:421
2015299108,1cyclictest0-21swapper/008:00:030
2015299100,9cyclictest0-21swapper/008:30:030
2015299100,1cyclictest1432-21/usr/sbin/munin09:00:140
2015299100,1cyclictest14084-21sed08:10:180
154892100,0sleep30-21swapper/309:55:173
7031290,0sleep30-21swapper/309:41:033
20933290,1sleep125-21ksoftirqd/111:14:161
201739998,0cyclictest0-21swapper/312:12:483
201739998,0cyclictest0-21swapper/310:13:483
201739998,0cyclictest0-21swapper/309:13:083
201739998,0cyclictest0-21swapper/308:55:183
201739997,1cyclictest0-21swapper/312:35:383
201659999,0cyclictest321ktimersoftd/207:29:572
201659999,0cyclictest321ktimersoftd/207:29:572
201589997,1cyclictest25-21ksoftirqd/112:24:051
201589997,1cyclictest25-21ksoftirqd/111:50:161
201589997,1cyclictest25-21ksoftirqd/111:30:161
201589991,3cyclictest25-21ksoftirqd/109:16:241
201589990,1cyclictest24309-21sshd12:17:121
201589990,1cyclictest131rcu_sched10:46:271
201589990,0cyclictest131rcu_sched12:11:021
201529990,2cyclictest12178-21sed08:05:210
201739987,0cyclictest0-21swapper/308:53:283
201739987,0cyclictest0-21swapper/308:45:283
201739987,0cyclictest0-21swapper/307:11:273
201739985,2cyclictest674-21dbus-daemon10:15:563
201739985,2cyclictest660-21avahi-daemon12:26:073
201739985,2cyclictest660-21avahi-daemon12:26:073
201739985,2cyclictest660-21avahi-daemon10:48:003
201739984,3cyclictest660-21avahi-daemon09:50:153
201739984,3cyclictest649-21polkitd10:43:523
201739984,2cyclictest660-21avahi-daemon09:24:333
201739984,2cyclictest660-21avahi-daemon09:24:333
201659983,2cyclictest33-21ksoftirqd/208:50:002
201659981,1cyclictest33-21ksoftirqd/208:20:002
201589985,2cyclictest660-21avahi-daemon11:55:061
201589980,1cyclictest48-17kauditd09:23:551
201589980,1cyclictest48-17kauditd09:23:551
201529983,4cyclictest1002-21snmpd07:32:130
201529982,5cyclictest25494-21chrt08:40:130
201529982,5cyclictest24312-21uptime07:15:200
201529982,5cyclictest20890-21sadc08:30:000
201529982,5cyclictest1-21systemd07:50:010
201529982,5cyclictest1002-21snmpd07:40:100
201529982,5cyclictest1002-21snmpd07:26:190
201529982,5cyclictest1002-21snmpd07:26:190
201529982,2cyclictest25325-21cut07:20:110
201529982,1cyclictest32353-21grep07:35:210
201529981,2cyclictest5699-21ntpq07:50:160
201529980,2cyclictest642-21systemd-logind08:50:000
201529980,1cyclictest3732-21/usr/sbin/munin09:05:160
201739974,2cyclictest660-21avahi-daemon11:36:123
201659972,3cyclictest26994-21crond08:45:002
201659972,1cyclictest710-21NetworkManager08:29:542
201589975,1cyclictest25-21ksoftirqd/108:30:001
201589975,1cyclictest25-21ksoftirqd/107:50:011
201529972,4cyclictest20524-21expr07:10:110
201529970,2cyclictest7022-21cat07:55:120
201529970,2cyclictest31695-21hddtemp_smartct08:55:140
201529970,2cyclictest29417-21tr08:50:120
201529970,2cyclictest23418-21expr08:35:120
201739965,0cyclictest0-21swapper/308:22:283
201739963,2cyclictest649-21polkitd07:39:553
201739963,2cyclictest4290-21sshd07:46:263
201739960,5cyclictest0-21swapper/307:28:373
201739960,5cyclictest0-21swapper/307:28:363
201659964,1cyclictest33-21ksoftirqd/208:35:002
201659964,1cyclictest33-21ksoftirqd/207:15:012
201659963,2cyclictest1002-21snmpd07:38:582
201659961,3cyclictest24955-21crond08:40:002
201659961,0cyclictest121rcu_preempt07:20:012
201589963,2cyclictest1002-21snmpd08:42:561
201589963,2cyclictest1002-21snmpd08:02:351
201589962,3cyclictest674-21dbus-daemon07:39:591
201589960,5cyclictest0-21swapper/109:09:321
201589960,5cyclictest0-21swapper/108:35:031
201739954,0cyclictest0-21swapper/307:24:473
201739953,1cyclictest26143-21pmu-power08:40:173
201739953,1cyclictest1142-21sed07:40:133
201739953,1cyclictest1002-21snmpd08:31:033
201739953,1cyclictest1002-21snmpd08:27:393
201739953,1cyclictest1002-21snmpd08:12:353
201739953,1cyclictest1002-21snmpd07:59:443
201739953,1cyclictest1002-21snmpd07:53:383
201739953,1cyclictest1002-21snmpd07:19:133
201739952,2cyclictest1002-21snmpd08:00:383
201739952,1cyclictest2058-21sensors09:00:183
201739950,4cyclictest0-21swapper/308:38:583
201739950,0cyclictest0-21swapper/309:05:083
201739950,0cyclictest0-21swapper/308:18:183
201659953,1cyclictest1002-21snmpd08:23:532
201659953,1cyclictest1002-21snmpd07:46:172
201659953,1cyclictest1002-21snmpd07:41:042
201659951,0cyclictest121rcu_preempt08:00:142
201659950,2cyclictest20467-21cpuspeed_turbos07:10:112
201659950,2cyclictest121rcu_preempt07:50:122
201659950,1cyclictest33-21ksoftirqd/208:10:002
201589954,0cyclictest0-21swapper/107:32:531
201589953,1cyclictest11541-21ls08:05:161
201589953,1cyclictest1002-21snmpd09:03:121
201589953,1cyclictest1002-21snmpd08:57:541
201589953,1cyclictest1002-21snmpd08:51:241
201589953,1cyclictest1002-21snmpd08:48:361
201589953,1cyclictest1002-21snmpd08:31:541
201589953,1cyclictest1002-21snmpd08:13:441
201589953,1cyclictest1002-21snmpd07:57:471
201589953,1cyclictest1002-21snmpd07:52:351
201589953,1cyclictest1002-21snmpd07:25:041
201589953,1cyclictest1002-21snmpd07:25:041
201589953,1cyclictest1002-21snmpd07:21:191
201589953,1cyclictest1002-21snmpd07:15:101
201589953,1cyclictest1002-21snmpd07:14:401
201589950,1cyclictest15010-21/usr/sbin/munin08:15:201
201589942,1cyclictest923-21cat07:40:111
201589942,1cyclictest17302-21expr08:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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