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2026-05-27 - 15:51
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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 Wed May 27, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21572770,0sleep20-21swapper/211:50:162
325712720,1sleep1241ktimersoftd/109:25:521
34112660,0sleep20-21swapper/212:07:152
236582590,0sleep2311rcuc/211:43:472
102302580,0sleep1241ktimersoftd/111:31:211
269702570,0sleep10-21swapper/111:46:511
163622550,0sleep10-21swapper/110:19:351
146542550,1sleep214652-21sshd10:33:182
273532540,0sleep00-21swapper/010:51:020
23872540,0sleep1231rcuc/111:00:091
292792530,1sleep09-21ksoftirqd/009:29:310
253372530,1sleep325328-21bash09:52:323
205752530,0sleep30-21swapper/310:28:143
205752530,0sleep30-21swapper/310:28:143
164252530,0sleep30-21swapper/311:37:273
147052530,0sleep00-21swapper/011:59:520
93592510,0sleep30-21swapper/311:11:483
84622510,1sleep09-21ksoftirqd/011:06:080
99532500,1sleep29906-21sshd09:37:182
138602500,0sleep00-21swapper/009:43:120
40682490,0sleep20-21swapper/210:15:392
205972490,0sleep30-21swapper/309:28:253
135282490,0sleep30-21swapper/308:30:123
303882480,0sleep30-21swapper/311:55:303
281812480,0sleep20-21swapper/211:24:372
189222480,0sleep018924-21grep10:08:410
173902480,0sleep117313-21sshd10:14:061
30182470,0sleep33014-21sshd11:05:393
19762470,0sleep01977-21sshd12:35:110
154592470,0sleep215462-21bash10:47:152
21482460,0sleep10-21swapper/111:11:091
132652460,0sleep20-21swapper/209:40:192
158832380,1sleep115882-21sshd12:11:061
122842287,7sleep30-21swapper/307:08:403
121252265,6sleep10-21swapper/107:06:421
12503992221,0cyclictest3753-21lspci09:34:021
1206722210,7sleep20-21swapper/207:05:592
21782200,0sleep30-21swapper/312:10:003
122222209,7sleep00-21swapper/007:07:530
311922190,1sleep131190-21sshd10:34:451
12503991615,0cyclictest9448-21kworker/1:309:20:241
165932150,0sleep00-21swapper/011:26:180
154932150,0sleep00-21swapper/007:15:130
12507991513,1cyclictest699-21gdbus12:35:213
12503991514,0cyclictest10223-21kworker/1:112:22:231
12503991514,0cyclictest10223-21kworker/1:112:22:231
12503991513,1cyclictest14579-21lspci10:22:091
68852140,0sleep20-21swapper/211:00:262
309032140,0sleep00-21swapper/011:16:260
257872140,0sleep10-21swapper/111:15:591
249472140,0sleep20-21swapper/209:58:052
197252140,0sleep00-21swapper/012:25:270
187022140,1sleep318696-21sshd10:16:563
161922140,1sleep129979-21gdbus10:00:081
1250799140,1cyclictest0-21swapper/311:46:013
12503991414,0cyclictest28346-21kworker/1:212:35:001
12503991412,1cyclictest7420-21kworker/1:012:31:131
12503991412,1cyclictest28761-21kworker/1:211:59:521
12503991412,1cyclictest27636-21kworker/1:310:52:261
1250399140,13cyclictest0-21swapper/109:56:021
1249799140,0cyclictest0-21swapper/011:40:000
98832130,0sleep00-21swapper/012:21:510
98832130,0sleep00-21swapper/012:21:510
88672130,0sleep30-21swapper/312:10:283
67982130,0sleep00-21swapper/012:07:330
218452130,0sleep00-21swapper/010:17:140
14172130,0sleep20-21swapper/211:55:492
12503991313,0cyclictest16579-21kworker/1:411:20:191
12503991312,0cyclictest30634-21kworker/1:210:28:191
12503991312,0cyclictest30634-21kworker/1:210:28:181
12503991312,0cyclictest25426-21kworker/1:209:44:391
1250399131,11cyclictest620-17auditd09:46:021
12503991311,1cyclictest24252-21kworker/1:309:53:201
12503991311,1cyclictest21395-21kworker/1:210:57:281
12503991311,1cyclictest10223-21kworker/1:112:27:351
1249799130,12cyclictest0-21swapper/010:41:000
1249799130,12cyclictest0-21swapper/010:40:590
1249799130,12cyclictest0-21swapper/007:30:200
145922120,0sleep00-21swapper/010:11:010
12507991211,0cyclictest25266-21lspci10:11:583
1250799120,1cyclictest28476-21id12:03:503
1250799120,1cyclictest11310-21sshd09:31:103
1250799120,1cyclictest11079-21grepconf.sh10:24:413
1250799120,11cyclictest0-21swapper/309:40:003
12506991210,1cyclictest623-17sedispatch12:21:312
12506991210,1cyclictest623-17sedispatch12:21:302
12506991210,1cyclictest29977-21packagekitd12:14:112
12506991210,1cyclictest10563-21sshd09:48:312
1250699120,1cyclictest642-21systemd-logind12:03:302
1250699120,11cyclictest28396-21bash12:17:512
1250699120,11cyclictest0-21swapper/207:20:102
12503991212,0cyclictest13566-21kworker/1:311:08:211
12503991212,0cyclictest10223-21kworker/1:112:17:201
12503991211,1cyclictest26449-21kworker/1:410:45:481
12503991211,0cyclictest2780-21kworker/1:010:08:551
12503991210,1cyclictest31983-21kworker/1:109:11:441
12503991210,1cyclictest18121-21kworker/1:110:40:371
12503991210,1cyclictest18121-21kworker/1:110:40:371
1249799125,1cyclictest660-21avahi-daemon11:46:040
1249799125,1cyclictest660-21avahi-daemon09:47:490
1249799124,2cyclictest660-21avahi-daemon09:57:490
12497991210,1cyclictest0-21swapper/010:36:400
1249799120,0cyclictest0-21swapper/009:36:100
298932110,0sleep20-21swapper/210:26:132
298932110,0sleep20-21swapper/210:26:122
277952110,0sleep0111rcuc/009:17:250
185242110,1sleep318526-21bash11:23:453
1250799119,1cyclictest11422-21sshd12:16:213
12507991110,0cyclictest0-21swapper/309:17:503
1250799110,10cyclictest0-21swapper/311:25:413
1250799110,10cyclictest0-21swapper/310:48:113
1250799110,10cyclictest0-21swapper/310:36:303
1250799110,0cyclictest6458-21lspci11:53:313
1250799110,0cyclictest0-21swapper/312:31:013
1250699119,1cyclictest2193-21lspci10:10:012
1250699119,1cyclictest12846-21systemd-cgroups11:17:412
1250699110,10cyclictest0-21swapper/210:23:312
1250699110,10cyclictest0-21swapper/209:29:402
1250699110,0cyclictest0-21swapper/211:33:512
1250699110,0cyclictest0-21swapper/210:53:012
12503991110,0cyclictest13152-21lspci09:37:351
12503991110,0cyclictest11334-21kworker/1:311:51:401
12503991110,0cyclictest0-21swapper/111:37:321
1250399110,1cyclictest131rcu_sched12:06:261
1249799119,1cyclictest0-21swapper/010:26:100
1249799119,1cyclictest0-21swapper/010:26:100
1249799119,1cyclictest0-21swapper/009:13:100
1249799116,1cyclictest6345-21lspci12:01:530
1249799116,1cyclictest14256-21lspci12:30:360
1249799115,1cyclictest751-21sshd10:34:550
1249799115,1cyclictest660-21avahi-daemon11:50:280
1249799115,1cyclictest660-21avahi-daemon09:23:410
1249799115,1cyclictest29979-21gdbus09:34:330
1249799114,2cyclictest660-21avahi-daemon12:10:280
1249799114,2cyclictest660-21avahi-daemon11:11:080
1249799114,1cyclictest7577-21sshd09:53:500
1249799110,6cyclictest30589-21sshd11:35:510
1249799110,0cyclictest0-21swapper/010:59:000
1250799107,2cyclictest3722-21sshd11:03:013
1250799100,0cyclictest0-21swapper/311:34:113
1250699109,0cyclictest0-21swapper/211:48:312
1250699109,0cyclictest0-21swapper/209:53:302
1250699109,0cyclictest0-21swapper/209:15:312
1250699107,2cyclictest674-21dbus-daemon10:57:212
1250699100,0cyclictest0-21swapper/207:30:112
1250399109,0cyclictest29989-21kworker/1:010:38:241
1250399108,1cyclictest25-21ksoftirqd/112:00:151
1249799107,0cyclictest0-21swapper/011:22:000
1249799105,1cyclictest13314-21sshd10:47:040
1249799104,1cyclictest674-21dbus-daemon11:03:180
1249799104,1cyclictest28151-21sshd10:23:190
1249799104,1cyclictest25420-21sshd10:03:410
1249799104,1cyclictest1047-21sshd11:30:320
1249799100,0cyclictest0-21swapper/009:04:200
1249799100,0cyclictest0-21swapper/007:14:400
1249799100,0cyclictest0-21swapper/007:14:390
125079998,0cyclictest0-21swapper/311:15:413
125079998,0cyclictest0-21swapper/309:58:103
125079998,0cyclictest0-21swapper/309:36:003
125079997,1cyclictest22820-21sshd10:09:013
125079995,3cyclictest660-21avahi-daemon10:33:233
125079995,1cyclictest41-21ksoftirqd/310:53:393
125069998,0cyclictest0-21swapper/211:37:102
125069997,1cyclictest29979-21gdbus11:10:402
125069996,2cyclictest660-21avahi-daemon12:30:572
125039998,0cyclictest0-21swapper/108:30:121
125039998,0cyclictest0-21swapper/108:22:221
125039997,1cyclictest2437-21kworker/1:011:25:311
124979994,1cyclictest660-21avahi-daemon12:18:120
124979990,5cyclictest27251-21munin-run07:45:000
125079987,0cyclictest0-21swapper/310:04:413
125079987,0cyclictest0-21swapper/309:10:103
125079986,1cyclictest21017-21lspci10:58:573
125079985,2cyclictest660-21avahi-daemon12:22:143
125079985,2cyclictest660-21avahi-daemon12:22:133
125079985,2cyclictest41-21ksoftirqd/310:40:153
125079985,2cyclictest41-21ksoftirqd/310:40:153
125079985,2cyclictest13976-21sshd11:42:563
125069987,0cyclictest0-21swapper/212:35:312
125069987,0cyclictest0-21swapper/211:25:212
125069987,0cyclictest0-21swapper/210:01:212
125069987,0cyclictest0-21swapper/209:34:312
125069987,0cyclictest0-21swapper/209:22:012
125069987,0cyclictest0-21swapper/209:10:412
125069986,1cyclictest660-21avahi-daemon12:29:482
125069986,1cyclictest26671-21lspci10:37:052
125069985,2cyclictest660-21avahi-daemon11:08:582
125039986,1cyclictest25-21ksoftirqd/111:41:541
124979987,0cyclictest0-21swapper/008:44:200
124979980,4cyclictest25443-21idleruntime-cro09:00:000
124979980,0cyclictest0-21swapper/008:54:190
14521270,1sleep314730-21systemd-cgroups12:25:073
125079975,1cyclictest674-21dbus-daemon09:20:513
125079974,2cyclictest660-21avahi-daemon09:45:343
125069975,1cyclictest17214-21lspci10:41:502
125069975,1cyclictest17214-21lspci10:41:502
125069974,2cyclictest12678-21sshd10:05:172
125039976,1cyclictest17295-21kworker/1:007:45:141
125039970,0cyclictest131rcu_sched09:15:041
124979976,0cyclictest0-21swapper/008:26:290
124979970,6cyclictest0-21swapper/008:16:100
124979970,6cyclictest0-21swapper/007:56:000
125079965,0cyclictest41-21ksoftirqd/308:39:593
125079965,0cyclictest0-21swapper/308:10:393
125079964,1cyclictest624-13audispd09:09:293
125079963,2cyclictest1002-21snmpd07:55:043
125079963,2cyclictest1002-21snmpd07:49:063
125079963,2cyclictest1002-21snmpd07:34:033
125079963,2cyclictest1002-21snmpd07:21:073
125079963,2cyclictest1002-21snmpd07:10:573
125079963,2cyclictest1002-21snmpd07:10:563
125069964,1cyclictest660-21avahi-daemon09:09:292
125069964,1cyclictest649-21polkitd08:14:592
125069964,1cyclictest23960-21tail08:55:142
125069964,1cyclictest23417-21munin-plugin-st08:55:002
125069963,2cyclictest1002-21snmpd09:00:272
125069963,2cyclictest1002-21snmpd08:47:092
125069963,2cyclictest1002-21snmpd07:29:252
125039964,1cyclictest699-21gdbus09:09:381
125039964,1cyclictest25-21ksoftirqd/109:05:001
125039964,1cyclictest1529-21tail08:00:121
125039963,2cyclictest1002-21snmpd08:13:351
124979965,0cyclictest0-21swapper/007:25:300
124979964,1cyclictest660-21avahi-daemon09:09:300
124979963,2cyclictest1002-21snmpd08:46:090
124979963,2cyclictest1002-21snmpd07:52:380
124979963,2cyclictest1002-21snmpd07:47:220
124979960,0cyclictest0-21swapper/007:36:190
125079954,0cyclictest0-21swapper/309:00:593
125079953,1cyclictest3780-21cat08:05:143
125079953,1cyclictest2573-21grep08:00:203
125079953,1cyclictest20062-21cat08:45:133
125079953,1cyclictest1002-21snmpd08:55:273
125079953,1cyclictest1002-21snmpd08:51:243
125079953,1cyclictest1002-21snmpd08:43:303
125079953,1cyclictest1002-21snmpd08:21:353
125079953,1cyclictest1002-21snmpd08:15:323
125079953,1cyclictest1002-21snmpd07:54:413
125079953,1cyclictest1002-21snmpd07:41:073
125079953,1cyclictest1002-21snmpd07:36:163
125079953,1cyclictest1002-21snmpd07:27:013
125079952,2cyclictest15979-21needreboot07:15:163
125069953,1cyclictest956-21sadc08:00:002
125069953,1cyclictest649-21polkitd08:39:592
125069953,1cyclictest3778-21cat08:05:142
125069953,1cyclictest23863-21cat07:35:142
125069953,1cyclictest11880-21cat08:25:142
125069953,1cyclictest1002-21snmpd08:20:112
125069953,1cyclictest1002-21snmpd08:15:232
125069953,1cyclictest1002-21snmpd07:54:112
125069953,1cyclictest1002-21snmpd07:15:302
125069953,1cyclictest1002-21snmpd07:11:332
125069953,1cyclictest1002-21snmpd07:11:332
125069952,1cyclictest1002-21snmpd07:44:432
125069950,4cyclictest0-21swapper/208:40:512
125039955,0cyclictest527-40kipmi008:53:171
125039955,0cyclictest241ktimersoftd/108:45:071
125039955,0cyclictest13216-21kworker/1:008:35:201
125039954,0cyclictest0-21swapper/108:25:511
125039954,0cyclictest0-21swapper/107:43:321
125039953,1cyclictest31559-21/usr/sbin/munin07:55:151
125039953,1cyclictest23649-21/usr/sbin/munin08:55:121
125039953,1cyclictest19831-21cat07:25:151
125039953,1cyclictest1705-21sendmail08:40:341
125039953,1cyclictest13174-21cat07:10:131
125039953,1cyclictest13174-21cat07:10:131
125039953,1cyclictest1002-21snmpd08:16:261
125039953,1cyclictest1002-21snmpd08:08:441
125039953,1cyclictest1002-21snmpd07:35:001
125039953,1cyclictest1002-21snmpd07:34:491
125039953,1cyclictest1002-21snmpd07:15:451
125039950,0cyclictest0-21swapper/107:52:321
124979953,1cyclictest14402-21grep08:30:170
124979953,1cyclictest1002-21snmpd08:35:030
124979953,1cyclictest1002-21snmpd08:24:030
124979953,1cyclictest1002-21snmpd08:01:160
124979952,2cyclictest1002-21snmpd08:12:140
124979952,2cyclictest1002-21snmpd08:06:290
124979952,2cyclictest1002-21snmpd07:22:400
125079942,1cyclictest11701-21diskstats08:25:133
125069942,1cyclictest13741-21sh08:30:122
125069942,1cyclictest1002-21snmpd08:00:082
125069942,1cyclictest0-21swapper/207:44:592
125039942,1cyclictest17569-21expr07:20:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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