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2026-05-17 - 03:53
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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 all highest latencies:
System rack2slot0.osadl.org (updated Sun May 17, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323352850,0sleep132334-21sshd22:45:291
72322770,0sleep27233-21kworker/u8:122:18:222
321842640,0sleep00-21swapper/023:44:040
49692560,1sleep14963-21sshd22:40:201
63132550,0sleep16311-21sshd22:21:021
267612550,0sleep30-21swapper/323:57:293
204712540,2sleep01477899cyclictest23:59:460
215042530,0sleep20-21swapper/222:55:432
176382530,1sleep0699-21gdbus23:53:570
15082530,0sleep31498-21sshd00:00:503
70102520,0sleep20-21swapper/200:37:252
318102520,0sleep30-21swapper/321:09:303
223722520,0sleep20-21swapper/222:28:012
151092520,1sleep115106-21id21:54:101
219582510,2sleep21479199cyclictest23:18:072
204662500,0sleep0101ktimersoftd/021:32:020
104562500,0sleep20-21swapper/222:46:262
5762490,0sleep30-21swapper/323:52:283
44302490,1sleep0101ktimersoftd/023:47:120
306032490,0sleep00-21swapper/000:03:230
198012490,0sleep20-21swapper/200:21:512
196582490,0sleep20-21swapper/223:01:082
157912490,0sleep00-21swapper/022:10:430
131022490,0sleep30-21swapper/323:11:433
45042480,0sleep00-21swapper/021:50:250
4422480,0sleep00-21swapper/022:40:040
41652480,0sleep00-21swapper/022:29:140
95482470,0sleep30-21swapper/300:32:053
301492470,0sleep30-21swapper/322:28:413
29782470,0sleep10-21swapper/100:28:471
196652470,0sleep20-21swapper/222:30:282
177312470,0sleep0111rcuc/020:35:000
77282460,2sleep31479999cyclictest22:43:273
167302430,2sleep11478399cyclictest22:10:481
1434523120,6sleep30-21swapper/319:06:033
146072287,7sleep20-21swapper/219:09:182
158962240,0sleep20-21swapper/222:02:282
145142219,7sleep00-21swapper/019:08:080
1434822110,7sleep10-21swapper/119:06:041
249512200,1sleep30-21swapper/319:30:333
9172190,0sleep10-21swapper/122:56:471
56622190,0sleep00-21swapper/000:34:350
205592180,0sleep30-21swapper/300:19:123
172552180,0sleep30-21swapper/321:59:533
325222170,1sleep31-21systemd00:09:063
242292170,0sleep30-21swapper/322:47:393
141072170,2sleep21479199cyclictest22:38:252
321932150,0sleep20-21swapper/223:30:082
284222150,0sleep30-21swapper/322:06:183
244282150,0sleep20-21swapper/223:21:032
244282150,0sleep20-21swapper/223:21:032
318922140,0sleep00-21swapper/021:41:430
263182140,0sleep10-21swapper/123:37:561
240102140,0sleep30-21swapper/321:32:293
234182140,0sleep00-21swapper/000:16:360
23252140,0sleep329977-21packagekitd00:25:543
199162140,0sleep30-21swapper/300:35:423
143882140,0sleep20-21swapper/221:43:022
38262130,0sleep00-21swapper/022:18:050
1479199132,1cyclictest33-21ksoftirqd/200:00:142
14783991312,0cyclictest0-21swapper/121:28:301
1478399130,1cyclictest620-17auditd23:41:401
84422120,0sleep31-21systemd23:39:153
205952120,0sleep00-21swapper/023:26:190
14799991211,0cyclictest0-21swapper/323:02:193
1479999120,11cyclictest15361-21bash21:45:503
1479999120,11cyclictest15361-21bash21:45:493
1479199124,1cyclictest33-21ksoftirqd/223:53:532
1479199123,1cyclictest33-21ksoftirqd/221:19:312
1479199121,1cyclictest131rcu_sched00:16:372
14791991211,0cyclictest0-21swapper/200:31:222
14791991210,1cyclictest0-21swapper/200:13:522
1479199120,11cyclictest0-21swapper/223:59:222
14783991210,1cyclictest27660-21lspci00:33:401
14783991210,1cyclictest0-21swapper/100:18:511
1478399120,1cyclictest665-21sshd23:13:301
1478399120,1cyclictest19619-21bash22:05:301
1478399120,11cyclictest674-21dbus-daemon21:21:501
1478399120,11cyclictest0-21swapper/121:48:301
1478399120,11cyclictest0-21swapper/121:48:301
14778991210,1cyclictest8014-21bash22:46:130
1477899120,1cyclictest1-21systemd00:25:330
1477899120,11cyclictest674-21dbus-daemon22:33:130
1477899120,11cyclictest620-17auditd21:39:230
1477899120,11cyclictest1909-21sshd23:10:430
1477899120,11cyclictest1-21systemd00:13:230
1477899120,11cyclictest0-21swapper/022:01:330
307792110,0sleep10-21swapper/100:03:241
29892110,1sleep12991-21sshd22:31:511
1479999119,1cyclictest1-21systemd23:48:393
1479999110,10cyclictest0-21swapper/323:17:493
1479999110,10cyclictest0-21swapper/322:13:503
1479999110,10cyclictest0-21swapper/322:01:393
1479999110,10cyclictest0-21swapper/321:26:403
1479999110,0cyclictest0-21swapper/321:15:393
1479199111,2cyclictest649-21polkitd23:40:582
1479199111,1cyclictest33-21ksoftirqd/222:21:022
14791991110,0cyclictest0-21swapper/221:12:022
1479199110,2cyclictest22336-21bash22:50:172
1479199110,1cyclictest33-21ksoftirqd/222:05:422
1479199110,10cyclictest0-21swapper/222:11:022
1479199110,10cyclictest0-21swapper/200:28:422
1479199110,0cyclictest0-21swapper/200:08:322
1478399110,0cyclictest0-21swapper/122:52:101
1478399110,0cyclictest0-21swapper/122:39:101
1477899119,1cyclictest0-21swapper/022:55:130
1477899113,4cyclictest29793-21awk21:05:000
14778991110,0cyclictest0-21swapper/022:37:330
1477899110,10cyclictest0-21swapper/023:35:030
1477899110,10cyclictest0-21swapper/023:23:530
1477899110,10cyclictest0-21swapper/023:23:530
1477899110,10cyclictest0-21swapper/021:28:530
101222110,0sleep10-21swapper/121:56:261
1479999107,2cyclictest660-21avahi-daemon21:36:033
1479999100,0cyclictest0-21swapper/321:12:293
1479999100,0cyclictest0-21swapper/300:23:493
1479199109,0cyclictest0-21swapper/223:35:322
1479199109,0cyclictest0-21swapper/223:10:022
1479199109,0cyclictest0-21swapper/221:50:322
1479199108,1cyclictest0-21swapper/221:45:222
1479199108,1cyclictest0-21swapper/221:45:222
1479199100,9cyclictest0-21swapper/220:25:222
1479199100,1cyclictest131rcu_sched23:07:062
1479199100,1cyclictest121rcu_preempt21:38:582
1478399109,0cyclictest5905-21sshd23:27:501
1478399109,0cyclictest0-21swapper/123:52:511
1478399109,0cyclictest0-21swapper/123:15:501
1478399109,0cyclictest0-21swapper/100:36:201
1478399109,0cyclictest0-21swapper/100:10:501
1478399100,0cyclictest0-21swapper/122:18:501
1477899109,0cyclictest0-21swapper/022:22:430
1477899109,0cyclictest0-21swapper/000:21:230
147999998,0cyclictest0-21swapper/322:21:393
147999998,0cyclictest0-21swapper/321:50:593
147919998,0cyclictest0-21swapper/220:20:222
147919997,1cyclictest33-21ksoftirqd/223:25:332
147919997,1cyclictest33-21ksoftirqd/222:42:582
147919991,1cyclictest33-21ksoftirqd/221:20:092
147919991,1cyclictest131rcu_sched23:45:142
147919990,1cyclictest131rcu_sched21:56:152
147919990,1cyclictest131rcu_sched21:29:452
147919990,1cyclictest121rcu_preempt21:31:402
147839998,0cyclictest0-21swapper/123:47:501
147839998,0cyclictest0-21swapper/121:10:001
147839998,0cyclictest0-21swapper/100:08:101
147839996,2cyclictest674-21dbus-daemon23:30:141
147789998,0cyclictest0-21swapper/021:48:530
147789998,0cyclictest0-21swapper/021:48:530
147789997,1cyclictest23721-21lspci22:05:530
147999987,0cyclictest0-21swapper/323:20:093
147999987,0cyclictest0-21swapper/323:20:093
147999986,1cyclictest7272-21lspci23:30:413
147999986,1cyclictest6997-21lspci22:15:303
147999986,1cyclictest41-21ksoftirqd/322:36:223
147999986,1cyclictest41-21ksoftirqd/322:30:543
147999986,1cyclictest0-21swapper/300:14:193
147999985,2cyclictest674-21dbus-daemon23:44:143
147999985,2cyclictest660-21avahi-daemon23:26:183
147999985,2cyclictest660-21avahi-daemon22:54:593
147999985,2cyclictest660-21avahi-daemon21:44:323
147919988,0cyclictest527-40kipmi020:18:232
147839987,0cyclictest0-21swapper/121:16:211
147839987,0cyclictest0-21swapper/100:21:301
147839986,1cyclictest0-21swapper/123:59:001
147839985,2cyclictest699-21gdbus23:03:141
147839985,2cyclictest660-21avahi-daemon23:23:471
147839985,2cyclictest660-21avahi-daemon23:23:471
147839985,2cyclictest660-21avahi-daemon22:01:221
147839985,2cyclictest20058-21sshd23:06:451
147839984,3cyclictest20875-21sshd22:25:071
147789987,0cyclictest0-21swapper/021:57:130
147789987,0cyclictest0-21swapper/021:19:530
147789987,0cyclictest0-21swapper/021:12:230
147789987,0cyclictest0-21swapper/020:40:130
147789986,1cyclictest674-21dbus-daemon23:15:530
147789986,1cyclictest17923-21lspci23:00:590
147789985,2cyclictest660-21avahi-daemon23:32:220
31063270,1sleep031151-21sed21:05:200
18804270,1sleep018995-21sshd22:50:020
147999976,0cyclictest0-21swapper/320:21:193
147999975,1cyclictest32187-21sshd23:05:043
147999974,2cyclictest649-21polkitd22:55:323
147999970,6cyclictest0-21swapper/320:33:193
147919975,1cyclictest33-21ksoftirqd/220:45:002
147839975,1cyclictest660-21avahi-daemon21:30:381
147839975,1cyclictest660-21avahi-daemon21:10:021
147839975,1cyclictest660-21avahi-daemon20:24:551
147839975,1cyclictest10757-21sshd21:42:441
147839973,1cyclictest18951-21bash21:35:071
147839970,0cyclictest0-21swapper/119:29:401
147789975,1cyclictest1002-21snmpd23:05:570
147789974,2cyclictest660-21avahi-daemon00:05:000
147789974,2cyclictest19467-21sshd21:24:030
147789974,2cyclictest14990-21sshd00:35:170
147789972,4cyclictest11442-21munin-run20:20:000
147999965,0cyclictest0-21swapper/319:35:493
147999963,2cyclictest674-21dbus-daemon21:20:003
147999963,2cyclictest1002-21snmpd20:25:123
147999960,0cyclictest0-21swapper/320:06:293
147999960,0cyclictest0-21swapper/319:54:093
147999960,0cyclictest0-21swapper/319:24:293
147919965,0cyclictest0-21swapper/220:58:422
147919965,0cyclictest0-21swapper/219:21:022
147919964,1cyclictest33-21ksoftirqd/220:05:002
147919963,2cyclictest30860-21ntpdc21:05:172
147919963,2cyclictest1002-21snmpd20:11:042
147919963,2cyclictest1002-21snmpd19:29:262
147919963,2cyclictest1002-21snmpd19:11:442
147919960,5cyclictest0-21swapper/220:46:422
147839964,1cyclictest649-21polkitd19:40:001
147839964,1cyclictest16736-21kworker/1:019:18:251
147839960,5cyclictest0-21swapper/121:02:001
147789966,0cyclictest27469-21kworker/0:219:45:000
147789966,0cyclictest16821-21kworker/0:119:15:120
147789964,1cyclictest6902-21tail20:05:200
147789960,2cyclictest27723-21latency_hist21:00:000
3703250,0sleep30-21swapper/320:00:113
23645250,0sleep20-21swapper/220:50:002
147999953,1cyclictest28521-21awk19:40:153
147999953,1cyclictest10086-21cat20:15:123
147999953,1cyclictest1002-21snmpd20:50:553
147999953,1cyclictest1002-21snmpd20:46:103
147999953,1cyclictest1002-21snmpd20:35:133
147999953,1cyclictest1002-21snmpd20:12:183
147999953,1cyclictest1002-21snmpd19:58:103
147999953,1cyclictest1002-21snmpd19:25:323
147999953,1cyclictest1002-21snmpd19:11:113
147999952,2cyclictest1002-21snmpd19:45:473
147999950,1cyclictest17326-21if_err_eno219:15:013
147999950,0cyclictest0-21swapper/321:01:203
147919954,0cyclictest0-21swapper/220:38:232
147919954,0cyclictest0-21swapper/219:40:522
147919953,1cyclictest6055-21cat20:05:142
147919953,1cyclictest28418-21cat21:00:142
147919953,1cyclictest1461-21/usr/sbin/munin19:55:142
147919953,1cyclictest1002-21snmpd20:32:162
147919953,1cyclictest1002-21snmpd19:45:082
147919953,1cyclictest1002-21snmpd19:36:442
147919953,1cyclictest1002-21snmpd19:33:082
147919953,1cyclictest1002-21snmpd19:15:052
147919952,2cyclictest1002-21snmpd19:51:202
147839953,1cyclictest646-21lsmd20:27:151
147839953,1cyclictest30940-21cat19:45:191
147839953,1cyclictest26422-21cat20:55:151
147839953,1cyclictest1705-21sendmail19:50:151
147839953,1cyclictest1002-21snmpd20:42:341
147839953,1cyclictest1002-21snmpd20:39:551
147839953,1cyclictest1002-21snmpd20:34:401
147839953,1cyclictest1002-21snmpd20:18:391
147839953,1cyclictest1002-21snmpd20:12:571
147839953,1cyclictest1002-21snmpd20:07:001
147839953,1cyclictest1002-21snmpd20:00:391
147839953,1cyclictest1002-21snmpd19:40:111
147839953,1cyclictest1002-21snmpd19:30:471
147839953,1cyclictest1002-21snmpd19:20:271
147839952,2cyclictest1002-21snmpd20:45:101
147839952,2cyclictest1002-21snmpd19:55:541
147839950,2cyclictest16495-21sshd19:11:551
147789955,0cyclictest7350-21kworker/0:020:20:200
147789955,0cyclictest31272-21kworker/0:219:10:160
147789955,0cyclictest27469-21kworker/0:219:55:140
147789955,0cyclictest27469-21kworker/0:219:50:120
147789955,0cyclictest27469-21kworker/0:219:45:140
147789955,0cyclictest16821-21kworker/0:119:35:310
147789955,0cyclictest16821-21kworker/0:119:30:280
147789953,1cyclictest7956-21cut20:10:110
147789953,1cyclictest3976-21cat20:00:130
147789953,1cyclictest18237-21cat20:35:120
147789953,1cyclictest1088-21ntpd20:50:160
147789953,1cyclictest1002-21snmpd20:27:340
147789953,1cyclictest1002-21snmpd19:25:530
147789953,1cyclictest1002-21snmpd19:20:530
147999942,1cyclictest26092-21cstates20:55:133
147999940,1cyclictest19872-21cpuspeed_turbos20:40:113
147839942,1cyclictest24078-21expr20:50:111
147789942,1cyclictest1002-21snmpd20:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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