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2026-04-07 - 16:01
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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 Tue Apr 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2262021270,2sleep33014199cyclictest12:19:413
2498221030,0sleep024983-21bash11:32:360
2741121020,2sleep03012199cyclictest12:22:500
15882970,0sleep11589-21sshd09:51:191
303292580,0sleep20-21swapper/210:46:032
12582570,0sleep00-21swapper/010:18:490
318632560,0sleep10-21swapper/109:31:281
107262560,0sleep10-21swapper/109:38:261
263872550,0sleep00-21swapper/012:06:000
8342540,0sleep20-21swapper/209:37:342
41782530,0sleep30-21swapper/311:36:193
287912530,0sleep20-21swapper/212:28:342
185432530,1sleep0674-21dbus-daemon12:27:400
147612530,0sleep00-21swapper/009:49:470
158322520,0sleep10-21swapper/111:34:371
93762510,0sleep20-21swapper/211:25:422
263942510,1sleep326395-21bash09:19:083
199942510,0sleep20-21swapper/209:58:252
190442510,0sleep00-21swapper/009:22:070
261732500,0sleep20-21swapper/210:07:102
215892500,0sleep30-21swapper/311:01:593
267262490,0sleep10-21swapper/109:59:001
260652490,0sleep326068-21bash10:59:383
232922490,1sleep1241ktimersoftd/111:29:451
200452490,1sleep1241ktimersoftd/112:22:111
184642490,0sleep00-21swapper/011:23:460
36212480,0sleep20-21swapper/210:54:572
307982470,0sleep30-21swapper/311:58:073
88212460,0sleep00-21swapper/012:12:530
25382460,0sleep30-21swapper/310:05:113
218042460,0sleep00-21swapper/009:30:150
283872430,2sleep33014199cyclictest11:46:453
28902350,0sleep10-21swapper/112:26:171
299382277,6sleep00-21swapper/007:09:130
2979022716,7sleep10-21swapper/107:07:261
2975222614,7sleep30-21swapper/307:06:563
297022268,6sleep20-21swapper/207:06:192
272372220,1sleep2674-21dbus-daemon09:34:222
54802200,0sleep10-21swapper/111:00:331
30121991918,0cyclictest527-40kipmi010:06:350
30121991716,0cyclictest6785-21lspci10:00:040
166892170,0sleep30-21swapper/309:52:373
112672170,0sleep00-21swapper/012:35:200
42842160,0sleep20-21swapper/212:18:042
30135991616,0cyclictest321ktimersoftd/210:21:092
62132150,0sleep30-21swapper/311:06:113
30135991515,0cyclictest321ktimersoftd/211:58:102
3012699150,10cyclictest1026-21sshd11:08:481
30121991514,0cyclictest24431-21lspci09:53:180
18522150,0sleep10-21swapper/109:45:511
110812150,0sleep30-21swapper/312:29:503
70672140,0sleep2321ktimersoftd/210:41:192
309352140,0sleep20-21swapper/210:29:382
30135991414,0cyclictest321ktimersoftd/207:14:472
30121991413,0cyclictest101ktimersoftd/009:19:400
30121991412,1cyclictest608-21lspci10:57:240
30121991412,1cyclictest18116-21lspci12:02:340
30121991412,1cyclictest16024-21kworker/0:111:42:110
30121991412,1cyclictest16024-21kworker/0:111:42:100
210322140,0sleep10-21swapper/111:23:591
186772140,0sleep00-21swapper/011:26:310
154742140,0sleep3391rcuc/311:34:353
8582130,0sleep00-21swapper/010:13:170
77992130,0sleep37802-21bash11:17:203
39882130,0sleep10-21swapper/111:11:301
3013599132,1cyclictest33-21ksoftirqd/212:14:232
3013599131,1cyclictest121rcu_preempt11:01:402
3013599130,1cyclictest12193-21rm09:52:142
3012699130,12cyclictest22691-21grep10:37:091
30121991312,0cyclictest607-21lspci11:11:130
30121991312,0cyclictest31740-21lspci10:51:450
30121991312,0cyclictest12752-21kworker/0:109:11:330
178252130,0sleep3391rcuc/309:21:583
3014199128,3cyclictest660-21avahi-daemon12:14:443
30141991210,1cyclictest0-21swapper/309:45:163
3014199120,11cyclictest31771-21lspci12:03:453
3013599124,1cyclictest33-21ksoftirqd/210:11:172
3013599122,1cyclictest33-21ksoftirqd/210:04:092
30135991211,0cyclictest33-21ksoftirqd/212:36:182
30135991211,0cyclictest22082-21lspci12:02:552
30135991210,1cyclictest33-21ksoftirqd/211:35:152
30135991210,1cyclictest13422-21sshd11:45:252
3013599120,11cyclictest29357-21lspci11:52:242
3013599120,11cyclictest0-21swapper/211:11:242
3013599120,11cyclictest0-21swapper/211:07:542
3012699120,11cyclictest7261-21sshd11:53:181
30121991212,0cyclictest101ktimersoftd/009:38:000
30121991211,0cyclictest7884-21kworker/0:212:34:100
30121991211,0cyclictest26788-21kworker/0:211:00:540
30121991210,1cyclictest5578-21kworker/0:011:52:350
30121991210,1cyclictest11691-21kworker/0:311:58:160
3012199120,4cyclictest23889-21kworker/0:412:17:270
227062120,0sleep00-21swapper/010:20:340
3014199119,1cyclictest1997-21lspci12:20:363
30141991110,0cyclictest0-21swapper/310:50:153
3014199110,10cyclictest0-21swapper/310:39:163
3013599119,1cyclictest16418-21sshd12:33:042
3013599119,1cyclictest0-21swapper/212:05:242
3013599112,1cyclictest33-21ksoftirqd/209:40:082
3013599111,1cyclictest33-21ksoftirqd/211:33:192
3013599111,1cyclictest33-21ksoftirqd/211:20:092
3013599110,1cyclictest33-21ksoftirqd/211:15:222
3013599110,10cyclictest0-21swapper/207:25:052
30126991110,0cyclictest0-21swapper/109:28:281
3012699110,1cyclictest0-21swapper/110:46:081
3012699110,10cyclictest0-21swapper/112:01:591
3012699110,10cyclictest0-21swapper/111:15:491
3012699110,10cyclictest0-21swapper/110:31:081
3012699110,0cyclictest0-21swapper/111:43:591
3012699110,0cyclictest0-21swapper/111:43:581
3012699110,0cyclictest0-21swapper/110:08:481
3012199119,1cyclictest710-21NetworkManager11:07:190
3012199119,1cyclictest27649-21sshd10:40:190
30121991110,0cyclictest7058-21kworker/0:410:34:540
30121991110,0cyclictest3395-21kworker/0:110:26:250
30121991110,0cyclictest20372-21kworker/0:411:19:590
30121991110,0cyclictest12752-21kworker/0:109:09:580
3012199110,10cyclictest0-21swapper/011:38:380
3012199110,10cyclictest0-21swapper/008:10:170
20982110,0sleep10-21swapper/112:09:331
3014199109,0cyclictest0-21swapper/312:32:153
3014199109,0cyclictest0-21swapper/310:43:353
3014199109,0cyclictest0-21swapper/310:19:153
3014199109,0cyclictest0-21swapper/310:12:263
3014199109,0cyclictest0-21swapper/309:30:063
3014199100,0cyclictest0-21swapper/309:56:463
3013599108,1cyclictest33-21ksoftirqd/210:17:082
3013599104,1cyclictest33-21ksoftirqd/209:22:392
3013599100,1cyclictest33-21ksoftirqd/210:37:292
3013599100,1cyclictest23945-21lspci10:56:372
3013599100,1cyclictest131rcu_sched10:32:362
3013599100,1cyclictest121rcu_preempt11:44:122
3013599100,1cyclictest121rcu_preempt11:44:112
3013599100,0cyclictest0-21swapper/212:20:142
3013599100,0cyclictest0-21swapper/209:47:152
3012699109,0cyclictest0-21swapper/110:56:181
3012699109,0cyclictest0-21swapper/110:20:581
3012699109,0cyclictest0-21swapper/109:12:481
3012699100,0cyclictest0-21swapper/110:40:381
3012199109,0cyclictest7087-21kworker/0:309:29:120
3012199108,1cyclictest623-17sedispatch09:40:270
3012199100,0cyclictest0-21swapper/010:45:480
167182100,0sleep1231rcuc/112:16:181
301419998,0cyclictest0-21swapper/312:09:153
301419998,0cyclictest0-21swapper/311:50:453
301419998,0cyclictest0-21swapper/309:10:453
301419996,2cyclictest674-21dbus-daemon09:28:183
301359999,0cyclictest321ktimersoftd/208:50:282
301359999,0cyclictest321ktimersoftd/208:46:072
301359998,0cyclictest0-21swapper/208:05:252
301359998,0cyclictest0-21swapper/207:23:442
301359997,1cyclictest0-21swapper/209:15:142
301359991,1cyclictest131rcu_sched09:12:432
301269998,0cyclictest0-21swapper/110:16:481
301269998,0cyclictest0-21swapper/110:02:191
301269997,1cyclictest20583-21bash09:22:191
301269997,1cyclictest12002-21sshd11:56:281
301269997,1cyclictest0-21swapper/110:28:091
301269996,2cyclictest660-21avahi-daemon12:35:131
301219998,1cyclictest1440-21kworker/0:209:55:120
301219996,1cyclictest9-21ksoftirqd/010:37:460
301219992,1cyclictest9-21ksoftirqd/011:47:380
301419986,1cyclictest660-21avahi-daemon10:26:223
301419986,1cyclictest4165-21lspci11:22:323
301419986,1cyclictest22173-21lspci10:23:223
301419985,2cyclictest674-21dbus-daemon08:40:003
301419985,2cyclictest660-21avahi-daemon12:36:093
301419985,2cyclictest660-21avahi-daemon11:29:243
301419985,2cyclictest660-21avahi-daemon11:11:303
301419985,2cyclictest660-21avahi-daemon10:30:213
301419984,3cyclictest674-21dbus-daemon11:40:053
301419984,3cyclictest674-21dbus-daemon11:40:053
301359988,0cyclictest321ktimersoftd/207:30:302
301359987,0cyclictest0-21swapper/209:26:542
301359987,0cyclictest0-21swapper/209:05:052
301359987,0cyclictest0-21swapper/208:01:542
301359987,0cyclictest0-21swapper/207:51:552
301269986,1cyclictest8507-21lspci10:13:571
301269986,1cyclictest660-21avahi-daemon11:47:071
301269985,2cyclictest660-21avahi-daemon12:14:441
301269984,3cyclictest21149-21rm11:35:031
301269984,2cyclictest6039-21sshd12:32:091
301269983,4cyclictest674-21dbus-daemon10:50:381
301219987,0cyclictest0-21swapper/008:18:370
301219980,0cyclictest0-21swapper/008:51:570
301419975,1cyclictest660-21avahi-daemon10:45:053
301419975,1cyclictest660-21avahi-daemon10:00:133
301419975,1cyclictest660-21avahi-daemon09:40:123
301419975,1cyclictest660-21avahi-daemon09:36:223
301419975,1cyclictest11411-21needreboot07:40:153
301359977,0cyclictest321ktimersoftd/209:04:212
301359977,0cyclictest321ktimersoftd/208:35:452
301359977,0cyclictest321ktimersoftd/208:12:392
301359976,0cyclictest321ktimersoftd/208:41:272
301269976,0cyclictest0-21swapper/108:17:391
301269974,2cyclictest660-21avahi-daemon09:40:061
301269973,3cyclictest699-21gdbus09:15:111
301219977,0cyclictest101ktimersoftd/008:56:100
301219976,0cyclictest0-21swapper/007:38:270
301219970,1cyclictest131rcu_sched08:50:010
301419965,0cyclictest0-21swapper/307:39:563
301419964,1cyclictest660-21avahi-daemon08:49:553
301419963,2cyclictest1002-21snmpd08:42:083
301419963,2cyclictest1002-21snmpd08:05:563
301419963,2cyclictest1002-21snmpd07:51:363
301359963,2cyclictest1002-21snmpd08:29:362
301359963,2cyclictest1002-21snmpd08:15:492
301359960,1cyclictest0-21swapper/208:34:562
301269965,0cyclictest0-21swapper/108:08:391
301269964,1cyclictest674-21dbus-daemon07:50:001
301269964,1cyclictest649-21polkitd08:14:551
301269963,2cyclictest1002-21snmpd09:01:251
301269963,2cyclictest1002-21snmpd08:01:321
301269963,2cyclictest1002-21snmpd07:34:491
301219964,1cyclictest9-21ksoftirqd/007:34:590
301219964,1cyclictest1002-21snmpd08:27:300
301419953,1cyclictest940-21cat07:15:133
301419953,1cyclictest7336-21cat08:50:143
301419953,1cyclictest29493-21cat08:25:143
301419953,1cyclictest27462-21cat08:20:143
301419953,1cyclictest19336-21mii-tool08:00:153
301419953,1cyclictest13451-21cat09:05:123
301419953,1cyclictest13205-21cat07:45:143
301419953,1cyclictest11106-21cpuspeed_turbos09:00:103
301419953,1cyclictest1002-21snmpd08:18:253
301419953,1cyclictest1002-21snmpd08:10:483
301419953,1cyclictest1002-21snmpd07:30:583
301419953,1cyclictest1002-21snmpd07:25:103
301419953,1cyclictest1002-21snmpd07:20:373
301419953,1cyclictest1002-21snmpd07:10:143
301419952,2cyclictest32539-21taskset08:30:483
301419952,2cyclictest1002-21snmpd07:57:263
301359953,1cyclictest978-21cat07:15:132
301359953,1cyclictest8917-21/usr/sbin/munin08:55:122
301359953,1cyclictest1002-21snmpd07:40:292
301359953,1cyclictest1002-21snmpd07:35:332
301359951,1cyclictest16820-21/usr/sbin/munin07:55:102
301359950,4cyclictest22686-21kworker/2:008:20:372
301269953,1cyclictest712-21/usr/sbin/munin08:35:181
301269953,1cyclictest674-21dbus-daemon07:30:001
301269953,1cyclictest1705-21sendmail07:50:161
301269953,1cyclictest1088-21ntpd09:05:161
301269953,1cyclictest1002-21snmpd08:50:491
301269953,1cyclictest1002-21snmpd08:42:411
301269953,1cyclictest1002-21snmpd08:26:481
301269953,1cyclictest1002-21snmpd08:20:451
301269953,1cyclictest1002-21snmpd07:20:161
301269953,1cyclictest1002-21snmpd07:10:281
301269952,2cyclictest699-21gdbus08:55:011
301269952,2cyclictest11083-21head07:40:141
301269952,2cyclictest1002-21snmpd08:47:011
301269952,2cyclictest0-21swapper/108:30:141
301269950,4cyclictest2170-21chrt07:18:101
301269950,4cyclictest0-21swapper/107:55:141
301219955,0cyclictest30832-21kworker/0:108:40:200
301219954,0cyclictest30832-21kworker/0:108:37:420
301219953,1cyclictest13240-21cat07:45:140
301219953,1cyclictest11193-21mii-tool07:40:150
301219953,1cyclictest1082-21lldpd08:31:190
301219953,1cyclictest1002-21snmpd09:01:550
301219953,1cyclictest1002-21snmpd08:00:350
301219953,1cyclictest1002-21snmpd07:55:110
301219953,1cyclictest1002-21snmpd07:50:150
301219953,1cyclictest1002-21snmpd07:25:260
301219953,1cyclictest1002-21snmpd07:22:130
301219953,1cyclictest1002-21snmpd07:10:160
301219952,2cyclictest1002-21snmpd08:20:400
301219952,2cyclictest1002-21snmpd08:05:060
2309254,0sleep023919-21kworker/0:007:19:510
301419940,3cyclictest8945-21cpu08:55:103
301359942,1cyclictest0-21swapper/207:45:122
301269942,1cyclictest0-21swapper/107:35:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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