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2026-01-10 - 10:31
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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 10, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93002205149,42sleep00-21swapper/019:09:420
90962203147,44sleep30-21swapper/319:07:033
91302200161,25sleep20-21swapper/219:07:302
92132198159,26sleep10-21swapper/119:08:341
95032620,1sleep32702-21diskmemload00:37:323
27272170,0sleep10-21swapper/121:10:001
232072170,1sleep121-21ksoftirqd/120:43:331
247272140,0sleep10-21swapper/123:35:181
9411991310,2cyclictest6784-21apt-get21:15:110
245832130,0sleep0101rcuc/022:15:150
941199129,2cyclictest31554-21awk21:45:000
941199129,2cyclictest11037-21ssh21:59:430
9411991210,2cyclictest32682-21grep19:55:150
9411991210,1cyclictest14765-21apt-get00:05:110
9442991110,1cyclictest35-21ksoftirqd/320:40:003
943099110,0cyclictest0-21swapper/222:17:472
943099108,1cyclictest28-21ksoftirqd/219:55:002
941199109,1cyclictest0-21swapper/023:59:170
941199108,2cyclictest11167-21ls19:10:190
941199107,2cyclictest22777-21ssh22:14:000
941199107,2cyclictest0-21swapper/023:05:110
941199106,3cyclictest707-21snmpd22:01:010
941199105,4cyclictest12420-21sed23:20:190
941199102,8cyclictest9-21ksoftirqd/023:29:470
941199102,8cyclictest9-21ksoftirqd/021:32:250
941199102,8cyclictest9-21ksoftirqd/000:35:010
941199102,0cyclictest9-21ksoftirqd/022:58:250
941199102,0cyclictest9-21ksoftirqd/022:42:350
941199102,0cyclictest9-21ksoftirqd/000:16:090
941199101,8cyclictest1982-21sendmail-mta22:30:470
941199101,1cyclictest17299-21ssh21:25:350
94429997,1cyclictest35-21ksoftirqd/320:35:003
94429990,7cyclictest26935-21kworker/u8:223:52:253
94429990,4cyclictest0-21swapper/319:15:003
94309998,1cyclictest28-21ksoftirqd/221:40:002
94309997,1cyclictest0-21swapper/221:55:162
94119998,1cyclictest16120-21grep22:05:130
94119997,2cyclictest0-21swapper/022:35:170
94119997,2cyclictest0-21swapper/022:25:120
94119997,1cyclictest12601-21needreboot20:20:150
94119996,3cyclictest0-21swapper/023:42:560
94119993,5cyclictest6568-21perf21:15:000
94119992,7cyclictest9-21ksoftirqd/023:45:090
94119992,7cyclictest9-21ksoftirqd/023:10:530
94119992,7cyclictest9-21ksoftirqd/023:02:570
94119992,7cyclictest9-21ksoftirqd/022:46:210
94119992,7cyclictest9-21ksoftirqd/022:20:090
94119992,7cyclictest9-21ksoftirqd/021:36:110
94119992,7cyclictest9-21ksoftirqd/020:56:470
94119992,7cyclictest9-21ksoftirqd/020:54:510
94119992,7cyclictest9-21ksoftirqd/019:53:190
94119992,7cyclictest9-21ksoftirqd/000:02:330
94119992,0cyclictest9-21ksoftirqd/023:15:270
94119992,0cyclictest9-21ksoftirqd/021:48:030
94119992,0cyclictest9-21ksoftirqd/021:22:130
94119992,0cyclictest9-21ksoftirqd/000:27:170
94429986,1cyclictest707-21snmpd22:51:453
94429986,1cyclictest707-21snmpd22:35:393
94429986,1cyclictest707-21snmpd22:06:143
94429986,1cyclictest707-21snmpd21:27:333
94429986,1cyclictest707-21snmpd19:48:573
94429980,5cyclictest6220-21sh21:52:463
94309987,1cyclictest7697-21cat00:35:142
94309986,1cyclictest707-21snmpd22:53:062
94309986,1cyclictest707-21snmpd22:26:292
94309986,1cyclictest707-21snmpd21:12:092
94309986,1cyclictest707-21snmpd20:55:502
94309986,1cyclictest707-21snmpd20:39:502
94309986,1cyclictest707-21snmpd20:34:292
94309986,1cyclictest707-21snmpd20:03:082
94309986,1cyclictest707-21snmpd00:24:532
94309986,1cyclictest707-21snmpd00:24:532
94309986,1cyclictest61650irq/122-eno123:15:192
94309986,1cyclictest61650irq/122-eno122:55:122
94309986,1cyclictest61650irq/122-eno122:49:392
94309984,2cyclictest240-21systemd-journal20:10:002
94149981,4cyclictest0-21swapper/119:15:151
94149980,5cyclictest0-21swapper/120:20:151
94149980,1cyclictest0-21swapper/123:50:101
94119987,1cyclictest0-21swapper/023:30:160
94119987,1cyclictest0-21swapper/019:40:090
94119982,6cyclictest9-21ksoftirqd/020:45:150
94119982,6cyclictest9-21ksoftirqd/020:25:230
94119982,6cyclictest9-21ksoftirqd/020:12:570
94119982,6cyclictest9-21ksoftirqd/000:30:050
94119981,7cyclictest9-21ksoftirqd/023:35:050
94119981,7cyclictest9-21ksoftirqd/019:36:410
94119980,8cyclictest9-21ksoftirqd/022:50:030
94119980,8cyclictest9-21ksoftirqd/021:50:070
94119980,8cyclictest9-21ksoftirqd/021:05:010
94119980,8cyclictest9-21ksoftirqd/021:00:230
94119980,8cyclictest9-21ksoftirqd/020:40:270
94119980,8cyclictest9-21ksoftirqd/020:35:210
94119980,8cyclictest9-21ksoftirqd/020:30:230
94119980,8cyclictest9-21ksoftirqd/020:15:210
94119980,8cyclictest9-21ksoftirqd/020:05:210
94119980,8cyclictest9-21ksoftirqd/019:45:210
94119980,8cyclictest9-21ksoftirqd/019:30:010
94119980,8cyclictest9-21ksoftirqd/019:25:040
94119980,8cyclictest9-21ksoftirqd/019:20:070
94119980,8cyclictest9-21ksoftirqd/019:15:090
94119980,8cyclictest9-21ksoftirqd/000:20:450
94119980,8cyclictest9-21ksoftirqd/000:20:450
94119980,8cyclictest9-21ksoftirqd/000:10:090
94119980,3cyclictest0-21swapper/020:00:190
94119980,0cyclictest9-21ksoftirqd/023:50:050
30124280,0sleep30-21swapper/323:43:143
94429976,1cyclictest707-21snmpd21:24:213
94429976,1cyclictest707-21snmpd19:33:513
94429976,1cyclictest707-21snmpd00:22:263
94429976,1cyclictest707-21snmpd00:22:263
94429976,1cyclictest3781-21cat23:10:153
94429975,1cyclictest707-21snmpd22:42:123
94429975,1cyclictest707-21snmpd22:19:023
94429975,1cyclictest707-21snmpd21:34:043
94429975,1cyclictest707-21snmpd20:00:583
94429975,1cyclictest707-21snmpd00:01:023
94429970,6cyclictest5494-21ssh22:31:173
94429970,3cyclictest29038-21ntp_states21:40:163
94429970,3cyclictest0-21swapper/323:05:113
94309976,1cyclictest707-21snmpd23:14:132
94309976,1cyclictest61650irq/122-eno123:57:532
94309976,1cyclictest61650irq/122-eno123:52:142
94309976,1cyclictest61650irq/122-eno123:20:352
94309976,1cyclictest61650irq/122-eno122:30:012
94309976,1cyclictest61650irq/122-eno122:08:122
94309976,1cyclictest61650irq/122-eno121:31:472
94309976,1cyclictest61650irq/122-eno121:25:142
94309976,1cyclictest61650irq/122-eno121:15:332
94309976,1cyclictest61650irq/122-eno100:30:142
94309976,1cyclictest61650irq/122-eno100:05:002
94309976,1cyclictest28-21ksoftirqd/223:45:002
94309975,1cyclictest707-21snmpd23:25:552
94309975,1cyclictest61650irq/122-eno122:40:012
94309975,1cyclictest61650irq/122-eno122:10:162
94309974,3cyclictest0-21swapper/200:10:532
94309974,1cyclictest14604-21grep20:25:142
94309971,6cyclictest0-21swapper/220:52:142
94309970,7cyclictest0-21swapper/221:45:002
94309970,4cyclictest707-21snmpd19:41:242
94309970,3cyclictest0-21swapper/222:00:092
94309970,1cyclictest1950-21sendmail_mailtr21:05:182
94309970,1cyclictest0-21swapper/220:46:452
94149975,1cyclictest0-21swapper/119:45:101
94149971,6cyclictest0-21swapper/120:10:221
94149970,5cyclictest0-21swapper/119:10:131
94149970,1cyclictest0-21swapper/123:01:271
94149970,1cyclictest0-21swapper/122:47:421
94149970,1cyclictest0-21swapper/119:45:001
94429965,1cyclictest9505-21ssh23:57:443
94429965,1cyclictest9331-21ssh21:55:343
94429965,1cyclictest707-21snmpd22:11:413
94429965,1cyclictest707-21snmpd20:05:013
94429965,1cyclictest707-21snmpd19:51:493
94429965,1cyclictest707-21snmpd19:35:453
94429965,1cyclictest707-21snmpd00:31:023
94429965,1cyclictest6880-21ssh23:15:113
94429965,1cyclictest6822-21ssh21:15:113
94429965,1cyclictest31199-21ssh00:25:073
94429965,1cyclictest30968-21ssh22:24:203
94429965,1cyclictest28253-21ssh23:00:173
94429965,1cyclictest2634-21sshd22:29:333
94429965,1cyclictest23916-21fschecks_time22:55:143
94429965,1cyclictest22435-21ssh23:34:023
94429965,1cyclictest21313-21ssh00:12:103
94429965,1cyclictest18264-21ssh23:28:383
94429965,1cyclictest13115-21ssh23:21:203
94429964,1cyclictest707-21snmpd21:48:043
94429964,1cyclictest707-21snmpd19:29:363
94429964,1cyclictest707-21snmpd19:20:053
94429964,1cyclictest14777-21cat20:25:153
94429963,2cyclictest766-21ssh23:45:583
94429963,2cyclictest22984-21apt-get00:15:113
94429961,1cyclictest14043-21ssh22:02:143
94429960,0cyclictest0-21swapper/321:37:103
94309966,0cyclictest61650irq/122-eno123:36:572
94309966,0cyclictest61650irq/122-eno123:05:162
94309966,0cyclictest61650irq/122-eno122:40:012
94309966,0cyclictest61650irq/122-eno121:50:162
94309966,0cyclictest61650irq/122-eno121:40:112
94309966,0cyclictest61650irq/122-eno121:20:022
94309966,0cyclictest61650irq/122-eno120:40:012
94309966,0cyclictest61650irq/122-eno120:12:322
94309966,0cyclictest61650irq/122-eno119:45:172
94309966,0cyclictest61650irq/122-eno119:35:462
94309966,0cyclictest61650irq/122-eno119:20:342
94309966,0cyclictest61650irq/122-eno119:15:212
94309966,0cyclictest61650irq/122-eno100:17:022
94309966,0cyclictest61650irq/122-eno100:05:012
94309965,1cyclictest61650irq/122-eno120:15:142
94309965,1cyclictest61650irq/122-eno119:55:142
94309965,0cyclictest61650irq/122-eno123:30:112
94309964,1cyclictest707-21snmpd19:12:112
94309964,1cyclictest61650irq/122-eno122:20:102
94309964,1cyclictest31739-21ssh00:25:122
94309964,1cyclictest28-21ksoftirqd/219:30:112
94309964,1cyclictest272812sleep223:00:122
94309963,1cyclictest548-21systemd-logind23:45:192
94309960,6cyclictest0-21swapper/221:01:302
94309960,3cyclictest0-21swapper/220:20:192
94149963,1cyclictest0-21swapper/100:38:441
94149961,3cyclictest0-21swapper/123:40:101
94149961,2cyclictest0-21swapper/122:21:381
94149960,6cyclictest0-21swapper/123:59:321
94149960,6cyclictest0-21swapper/122:35:151
94149960,6cyclictest0-21swapper/121:17:061
94149960,6cyclictest0-21swapper/120:27:321
94149960,6cyclictest0-21swapper/120:15:151
94149960,6cyclictest0-21swapper/119:53:221
94149960,6cyclictest0-21swapper/100:06:111
94149960,5cyclictest0-21swapper/120:00:161
94149960,4cyclictest0-21swapper/123:14:181
94149960,4cyclictest0-21swapper/123:00:001
94149960,3cyclictest0-21swapper/120:30:141
94149960,2cyclictest0-21swapper/123:05:111
94149960,1cyclictest0-21swapper/121:25:331
94149960,1cyclictest0-21swapper/120:55:001
94149960,0cyclictest0-21swapper/122:15:181
30603260,1sleep10-21swapper/100:24:131
30603260,1sleep10-21swapper/100:24:131
23638260,0sleep30-21swapper/323:35:133
94429954,1cyclictest707-21snmpd21:00:273
94429954,1cyclictest5841-21ssh21:13:323
94429953,1cyclictest26923-21memory20:50:153
94429953,1cyclictest12407-21if_eno120:20:143
94429952,1cyclictest240-21systemd-journal20:19:483
94429952,1cyclictest17610-21rm22:46:383
94429951,1cyclictest28796-21seq20:55:133
94429951,0cyclictest0-21swapper/320:10:183
94429950,4cyclictest23339-21latency_hist20:45:013
94429950,3cyclictest0-21swapper/300:05:113
94429950,2cyclictest0-21swapper/320:45:123
94429950,1cyclictest240-21systemd-journal19:19:273
94309955,0cyclictest61650irq/122-eno119:25:152
94149955,0cyclictest0-21swapper/121:44:591
94149955,0cyclictest0-21swapper/121:20:301
94149955,0cyclictest0-21swapper/119:21:261
94149953,1cyclictest25647-21chrt21:35:231
94149953,1cyclictest19762-21chrt22:10:111
94149953,1cyclictest19556-21chrt19:28:121
94149951,1cyclictest0-21swapper/120:35:151
94149950,5cyclictest0-21swapper/123:26:481
94149950,5cyclictest0-21swapper/122:53:251
94149950,5cyclictest0-21swapper/122:40:151
94149950,5cyclictest0-21swapper/121:52:431
94149950,5cyclictest0-21swapper/121:49:161
94149950,5cyclictest0-21swapper/120:05:041
94149950,5cyclictest0-21swapper/119:35:281
94149950,5cyclictest0-21swapper/100:26:081
94149950,4cyclictest0-21swapper/123:47:221
94149950,4cyclictest0-21swapper/100:18:141
94149950,3cyclictest0-21swapper/121:30:121
94149950,2cyclictest0-21swapper/121:10:161
94149950,1cyclictest0-21swapper/122:05:101
94149950,0cyclictest0-21swapper/119:31:521
94149950,0cyclictest0-21swapper/100:15:001
94429944,0cyclictest341rcuc/319:40:123
94429943,1cyclictest650-21ntp_offset19:55:173
94429940,1cyclictest0-21swapper/321:05:103
94149944,0cyclictest0-21swapper/121:56:511
94149943,1cyclictest13287-21chrt22:00:221
94149943,1cyclictest0-21swapper/122:25:161
94149940,4cyclictest0-21swapper/123:15:201
94149940,4cyclictest0-21swapper/100:33:141
94149940,3cyclictest0-21swapper/123:33:281
94149940,2cyclictest0-21swapper/100:00:111
94149940,1cyclictest0-21swapper/122:30:221
94149940,0cyclictest0-21swapper/123:20:191
94149940,0cyclictest0-21swapper/120:45:201
94149931,1cyclictest0-21swapper/121:00:121
94149930,2cyclictest0-21swapper/119:55:111
94149930,1cyclictest0-21swapper/120:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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