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2026-01-03 - 16:08
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Sat Jan 03, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191242219157,23sleep10-21swapper/107:07:111
192992208144,51sleep20-21swapper/207:09:292
190342201161,26sleep30-21swapper/307:06:013
190512200161,26sleep00-21swapper/007:06:140
244982180,0sleep10-21swapper/108:25:171
19433991614,1cyclictest35-21ksoftirqd/312:00:153
19427991413,1cyclictest0-21swapper/210:50:192
19433991312,1cyclictest35-21ksoftirqd/309:05:093
19433991311,1cyclictest20554-21turbostat.cron10:35:003
19427991311,1cyclictest28-21ksoftirqd/211:30:012
19427991310,1cyclictest28-21ksoftirqd/209:50:002
19433991212,0cyclictest7017-21basename11:14:593
19433991212,0cyclictest35-21ksoftirqd/308:50:243
19433991211,1cyclictest35-21ksoftirqd/309:15:133
19433991210,1cyclictest35-21ksoftirqd/311:55:003
19433991210,1cyclictest35-21ksoftirqd/308:00:193
19427991210,1cyclictest28-21ksoftirqd/207:19:592
1943399116,4cyclictest35-21ksoftirqd/310:40:003
19433991111,0cyclictest35-21ksoftirqd/311:45:003
19433991111,0cyclictest35-21ksoftirqd/308:40:213
19433991110,1cyclictest35-21ksoftirqd/310:55:183
1942799119,1cyclictest28-21ksoftirqd/209:10:192
19427991110,1cyclictest28-21ksoftirqd/207:45:132
1941599112,4cyclictest27211-21sed07:24:590
1941599112,4cyclictest15862-21perf10:25:010
1943399109,1cyclictest35-21ksoftirqd/309:45:213
1943399109,1cyclictest35-21ksoftirqd/307:55:163
1943399109,1cyclictest35-21ksoftirqd/307:20:123
1943399108,1cyclictest35-21ksoftirqd/310:45:123
1943399108,1cyclictest35-21ksoftirqd/310:10:003
1943399108,1cyclictest35-21ksoftirqd/308:55:213
1943399108,1cyclictest35-21ksoftirqd/308:55:213
1943399108,1cyclictest35-21ksoftirqd/308:19:593
1943399108,1cyclictest35-21ksoftirqd/307:40:013
1943399107,1cyclictest35-21ksoftirqd/308:29:593
1943399104,5cyclictest35-21ksoftirqd/309:35:233
19433991010,0cyclictest35-21ksoftirqd/311:25:103
19433991010,0cyclictest35-21ksoftirqd/310:50:153
19433991010,0cyclictest35-21ksoftirqd/310:30:003
1942799109,1cyclictest28-21ksoftirqd/210:40:012
1942799108,1cyclictest28-21ksoftirqd/208:15:002
1941599109,1cyclictest9-21ksoftirqd/008:55:000
1941599108,1cyclictest9-21ksoftirqd/011:45:010
1941599108,1cyclictest9-21ksoftirqd/011:14:590
1941599108,1cyclictest9-21ksoftirqd/009:30:010
194339998,1cyclictest35-21ksoftirqd/312:20:143
194339998,1cyclictest35-21ksoftirqd/311:35:143
194339998,1cyclictest35-21ksoftirqd/309:55:213
194339998,1cyclictest35-21ksoftirqd/309:55:213
194339998,1cyclictest35-21ksoftirqd/308:24:593
194339998,0cyclictest35-21ksoftirqd/312:19:593
194339997,1cyclictest35-21ksoftirqd/311:50:013
194339997,1cyclictest35-21ksoftirqd/307:19:593
194339991,5cyclictest26868-21apt-get09:40:113
194279998,1cyclictest28-21ksoftirqd/211:50:142
194279998,1cyclictest28-21ksoftirqd/209:20:182
194279997,1cyclictest28-21ksoftirqd/212:00:142
194279997,1cyclictest28-21ksoftirqd/208:45:002
194159991,4cyclictest5329-21perf12:20:000
194339988,0cyclictest521-21sensors09:50:233
194339988,0cyclictest35-21ksoftirqd/307:52:513
194339987,1cyclictest35-21ksoftirqd/308:30:153
194339987,0cyclictest35-21ksoftirqd/312:35:003
194339987,0cyclictest35-21ksoftirqd/307:50:003
194339986,1cyclictest707-21snmpd09:32:113
194339986,1cyclictest707-21snmpd09:29:383
194339986,1cyclictest707-21snmpd09:13:253
194339986,1cyclictest35-21ksoftirqd/312:10:143
194339986,1cyclictest35-21ksoftirqd/311:00:143
194339986,1cyclictest35-21ksoftirqd/307:45:003
194339986,1cyclictest35-21ksoftirqd/307:14:593
194339980,8cyclictest35-21ksoftirqd/310:40:163
194279987,1cyclictest28-21ksoftirqd/211:20:162
194279987,1cyclictest28-21ksoftirqd/211:00:002
194279987,1cyclictest28-21ksoftirqd/209:50:132
194279987,1cyclictest28-21ksoftirqd/208:50:002
194279986,1cyclictest28-21ksoftirqd/212:40:002
194279986,1cyclictest28-21ksoftirqd/208:50:272
194279986,1cyclictest26910-21kworker/2:111:35:192
194279986,1cyclictest26910-21kworker/2:108:25:142
194279980,7cyclictest21008-21taskset11:43:062
194199980,8cyclictest0-21swapper/109:55:171
194199980,8cyclictest0-21swapper/109:55:171
194159986,1cyclictest707-21snmpd11:52:060
194159986,1cyclictest707-21snmpd10:58:160
194159986,1cyclictest707-21snmpd10:36:080
194159986,1cyclictest707-21snmpd10:25:340
194159986,1cyclictest707-21snmpd09:45:530
194159986,1cyclictest707-21snmpd09:22:260
194159986,1cyclictest707-21snmpd09:10:440
194159986,1cyclictest707-21snmpd08:32:510
194159986,1cyclictest707-21snmpd08:17:270
194159986,1cyclictest707-21snmpd07:52:410
194339977,0cyclictest35-21ksoftirqd/308:05:003
194339976,1cyclictest35-21ksoftirqd/312:35:123
194339976,1cyclictest35-21ksoftirqd/311:55:143
194339976,1cyclictest35-21ksoftirqd/310:15:113
194339976,1cyclictest35-21ksoftirqd/310:10:113
194339976,1cyclictest35-21ksoftirqd/308:10:173
194339976,1cyclictest35-21ksoftirqd/307:25:223
194339976,1cyclictest31320-21kworker/3:011:15:133
194339976,0cyclictest35-21ksoftirqd/311:20:133
194339975,1cyclictest35-21ksoftirqd/312:25:133
194339975,1cyclictest35-21ksoftirqd/312:05:153
194339975,1cyclictest35-21ksoftirqd/311:30:173
194339975,1cyclictest35-21ksoftirqd/311:05:153
194339975,1cyclictest35-21ksoftirqd/310:20:133
194339975,1cyclictest35-21ksoftirqd/310:00:193
194339975,1cyclictest35-21ksoftirqd/308:45:143
194339975,1cyclictest35-21ksoftirqd/307:30:133
194339975,1cyclictest17429-21apt-get09:20:113
194339971,5cyclictest862-21kworker/3:109:00:103
194279977,0cyclictest28-21ksoftirqd/209:00:162
194279976,1cyclictest707-21snmpd10:19:432
194279976,1cyclictest707-21snmpd08:08:122
194279976,1cyclictest707-21snmpd07:54:022
194279976,1cyclictest61650irq/122-eno110:40:142
194279976,1cyclictest28-21ksoftirqd/209:55:132
194279976,1cyclictest28-21ksoftirqd/209:55:132
194279975,1cyclictest707-21snmpd11:16:082
194279975,1cyclictest707-21snmpd10:48:462
194279975,1cyclictest61650irq/122-eno110:25:142
194279975,1cyclictest28-21ksoftirqd/209:40:002
194279975,1cyclictest28-21ksoftirqd/207:14:592
194279975,1cyclictest26910-21kworker/2:109:40:162
194279973,2cyclictest240-21systemd-journal12:00:012
194279970,6cyclictest0-21swapper/212:05:152
194279970,6cyclictest0-21swapper/210:10:152
194279970,1cyclictest0-21swapper/207:30:152
194279970,0cyclictest0-21swapper/207:25:172
194199970,6cyclictest0-21swapper/112:00:231
194159975,1cyclictest707-21snmpd11:58:100
194159975,1cyclictest707-21snmpd10:51:130
194159975,1cyclictest707-21snmpd10:10:210
194159975,1cyclictest707-21snmpd09:51:590
194159975,1cyclictest707-21snmpd09:41:350
194159975,1cyclictest707-21snmpd08:40:510
194159974,0cyclictest0-21swapper/009:55:130
194159974,0cyclictest0-21swapper/009:55:130
194159973,1cyclictest24496-21/usr/sbin/munin09:35:180
194159971,5cyclictest21980-21munin-node11:30:230
194159971,1cyclictest0-21swapper/007:12:150
194159970,6cyclictest27470-21sh07:25:130
194159970,6cyclictest0-21swapper/008:45:180
194159970,2cyclictest0-21swapper/008:00:120
194159970,1cyclictest32592-21/usr/sbin/munin11:00:190
194159970,1cyclictest28515-21telnet12:00:130
194159970,1cyclictest15243-21chrt08:05:180
194159970,1cyclictest11955-21mailstats12:30:180
194159970,1cyclictest0-21swapper/011:25:160
194159970,1cyclictest0-21swapper/011:24:470
194159970,1cyclictest0-21swapper/010:30:190
194159970,1cyclictest0-21swapper/009:06:010
194159970,1cyclictest0-21swapper/008:10:190
194339964,1cyclictest35-21ksoftirqd/308:35:133
194279966,0cyclictest61650irq/122-eno112:26:332
194279966,0cyclictest61650irq/122-eno111:30:212
194279966,0cyclictest61650irq/122-eno110:31:002
194279966,0cyclictest61650irq/122-eno109:15:192
194279966,0cyclictest61650irq/122-eno108:20:402
194279966,0cyclictest61650irq/122-eno108:00:132
194279966,0cyclictest61650irq/122-eno107:39:012
194279966,0cyclictest28-21ksoftirqd/211:10:182
194279966,0cyclictest26910-21kworker/2:107:55:152
194279965,1cyclictest28-21ksoftirqd/209:05:012
194279965,1cyclictest26910-21kworker/2:112:10:192
194279965,1cyclictest26910-21kworker/2:111:05:142
194279965,1cyclictest26910-21kworker/2:110:05:202
194279965,1cyclictest26910-21kworker/2:108:55:122
194279965,1cyclictest26910-21kworker/2:108:55:122
194279965,1cyclictest0-21swapper/212:15:212
194279964,1cyclictest61650irq/122-eno110:20:152
194279964,1cyclictest28-21ksoftirqd/212:30:112
194279964,1cyclictest28-21ksoftirqd/212:20:122
194279964,1cyclictest28-21ksoftirqd/211:45:142
194279964,1cyclictest28-21ksoftirqd/211:00:202
194279964,1cyclictest28-21ksoftirqd/207:40:142
194279964,1cyclictest26910-21kworker/2:110:00:182
194279964,1cyclictest26910-21kworker/2:108:30:142
194279964,1cyclictest26910-21kworker/2:108:15:192
194279964,1cyclictest26910-21kworker/2:107:20:162
194279961,2cyclictest28699-21df08:35:122
194199966,0cyclictest0-21swapper/110:17:491
194199961,2cyclictest0-21swapper/109:45:161
194199961,1cyclictest0-21swapper/111:05:131
194199960,6cyclictest0-21swapper/112:17:581
194199960,6cyclictest0-21swapper/111:35:591
194199960,6cyclictest0-21swapper/110:37:581
194199960,6cyclictest0-21swapper/109:40:571
194199960,6cyclictest0-21swapper/108:33:211
194199960,6cyclictest0-21swapper/107:32:351
194199960,5cyclictest0-21swapper/111:13:571
194199960,5cyclictest0-21swapper/107:59:551
194199960,3cyclictest0-21swapper/110:30:121
194199960,2cyclictest0-21swapper/108:00:111
194199960,1cyclictest0-21swapper/110:03:581
194199960,1cyclictest0-21swapper/109:05:131
194199960,1cyclictest0-21swapper/107:10:141
194199960,0cyclictest0-21swapper/111:24:441
194159965,1cyclictest9-21ksoftirqd/008:20:280
194159965,1cyclictest707-21snmpd12:38:010
194159965,1cyclictest707-21snmpd12:11:550
194159965,1cyclictest707-21snmpd11:05:310
194159965,1cyclictest12479-21ntpq10:15:150
194159964,1cyclictest9-21ksoftirqd/008:38:170
194159964,1cyclictest707-21snmpd07:59:270
194159964,1cyclictest17163-21cron09:20:000
194159963,2cyclictest25522-21cut10:45:110
194159962,3cyclictest0-21swapper/012:20:090
194159961,4cyclictest6258-21idleruntime08:55:150
194159961,4cyclictest6258-21idleruntime08:55:150
194159960,6cyclictest0-21swapper/012:27:180
194159960,6cyclictest0-21swapper/011:15:190
194159960,6cyclictest0-21swapper/010:41:190
194159960,6cyclictest0-21swapper/010:09:240
194159960,6cyclictest0-21swapper/009:34:260
194159960,5cyclictest0-21swapper/011:45:120
194159960,5cyclictest0-21swapper/007:30:110
194159960,0cyclictest0-21swapper/010:00:210
194159960,0cyclictest0-21swapper/007:45:550
194159960,0cyclictest0-21swapper/007:40:240
194159960,0cyclictest0-21swapper/007:35:180
194279955,0cyclictest28-21ksoftirqd/209:25:192
194279950,3cyclictest23769-21grep09:30:212
194199955,0cyclictest0-21swapper/111:31:401
194199955,0cyclictest0-21swapper/111:29:591
194199955,0cyclictest0-21swapper/107:47:101
194199951,3cyclictest0-21swapper/110:58:001
194199951,2cyclictest0-21swapper/108:55:131
194199951,2cyclictest0-21swapper/108:55:131
194199951,0cyclictest0-21swapper/110:45:131
194199950,5cyclictest0-21swapper/112:12:571
194199950,5cyclictest0-21swapper/112:05:161
194199950,5cyclictest0-21swapper/109:51:511
194199950,5cyclictest0-21swapper/109:36:041
194199950,5cyclictest0-21swapper/109:29:531
194199950,5cyclictest0-21swapper/109:18:431
194199950,5cyclictest0-21swapper/109:14:401
194199950,5cyclictest0-21swapper/107:42:111
194199950,5cyclictest0-21swapper/107:23:121
194199950,5cyclictest0-21swapper/107:17:161
194199950,2cyclictest0-21swapper/110:25:131
194199950,2cyclictest0-21swapper/108:10:001
194199950,1cyclictest0-21swapper/111:55:101
194199950,1cyclictest0-21swapper/110:50:131
194199950,1cyclictest0-21swapper/110:40:101
194199950,0cyclictest0-21swapper/111:45:191
194199950,0cyclictest0-21swapper/110:20:321
194159953,1cyclictest24964-21ls07:19:590
194159951,4cyclictest23589-21telnet08:25:130
194159950,5cyclictest0-21swapper/011:35:180
194159950,1cyclictest0-21swapper/012:05:160
194159950,0cyclictest0-21swapper/009:00:360
194199944,0cyclictest0-21swapper/112:30:501
194199944,0cyclictest0-21swapper/109:30:551
194199944,0cyclictest0-21swapper/107:38:101
194199942,2cyclictest0-21swapper/111:51:041
194199942,1cyclictest171172sleep108:10:151
194199942,0cyclictest0-21swapper/109:00:151
194199941,2cyclictest0-21swapper/110:05:011
194199941,2cyclictest0-21swapper/108:46:551
194199940,3cyclictest0-21swapper/112:35:311
194199940,3cyclictest0-21swapper/111:40:191
194199940,3cyclictest0-21swapper/109:20:151
194199940,3cyclictest0-21swapper/107:50:121
194199940,2cyclictest0-21swapper/111:00:151
194199940,2cyclictest0-21swapper/108:40:001
194199940,1cyclictest0-21swapper/112:20:161
194199940,1cyclictest0-21swapper/108:50:171
194199940,1cyclictest0-21swapper/108:15:121
194199940,1cyclictest0-21swapper/107:25:191
194199940,0cyclictest0-21swapper/111:18:001
194199940,0cyclictest0-21swapper/110:10:181
194199930,2cyclictest0-21swapper/108:40:191
194199930,1cyclictest0-21swapper/112:25:011
194199930,1cyclictest0-21swapper/108:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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