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2026-05-09 - 06:40
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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 rack1slot1.osadl.org (updated Sat May 09, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284592210171,25sleep00-21swapper/019:09:580
283722200160,26sleep20-21swapper/219:08:502
284352199160,26sleep30-21swapper/319:09:403
281582199160,25sleep10-21swapper/119:06:041
185402670,0sleep20-21swapper/219:55:112
15302190,1sleep21514-21perf19:20:002
24812150,0sleep22483-21cat23:35:122
305692140,0sleep30-21swapper/322:02:043
28535991413,1cyclictest8038-21ssh00:25:130
88342130,0sleep021434-21diskmemload23:43:320
88342130,0sleep021434-21diskmemload23:43:320
28535991211,1cyclictest9-21ksoftirqd/023:35:000
28538991110,1cyclictest35-21ksoftirqd/300:20:143
2853599119,1cyclictest9-21ksoftirqd/023:09:590
2853599119,1cyclictest9-21ksoftirqd/022:05:200
2853599119,1cyclictest9-21ksoftirqd/022:00:000
2853599119,1cyclictest9-21ksoftirqd/021:44:590
2853599119,1cyclictest9-21ksoftirqd/000:05:000
2853899109,1cyclictest35-21ksoftirqd/300:35:193
2853899109,1cyclictest35-21ksoftirqd/300:00:133
2853899108,1cyclictest35-21ksoftirqd/300:15:153
28538991010,0cyclictest35-21ksoftirqd/323:05:213
28538991010,0cyclictest35-21ksoftirqd/300:30:003
2853899101,3cyclictest12716-21apt-get21:40:103
2853799100,1cyclictest0-21swapper/221:51:472
2853599109,1cyclictest9-21ksoftirqd/023:24:590
2853599109,1cyclictest9-21ksoftirqd/020:55:000
2853599108,1cyclictest9-21ksoftirqd/022:10:130
2853599108,1cyclictest9-21ksoftirqd/021:50:010
2853599108,1cyclictest9-21ksoftirqd/021:20:080
2853599108,1cyclictest9-21ksoftirqd/021:15:010
285389999,0cyclictest35-21ksoftirqd/323:55:133
285389999,0cyclictest35-21ksoftirqd/300:30:163
285389999,0cyclictest35-21ksoftirqd/300:10:003
285389998,1cyclictest35-21ksoftirqd/323:35:123
285389998,1cyclictest35-21ksoftirqd/323:10:143
285389998,1cyclictest35-21ksoftirqd/300:10:113
285389992,5cyclictest6976-21apt-get22:15:113
285379990,0cyclictest0-21swapper/220:32:362
285369990,4cyclictest0-21swapper/120:10:111
285359999,0cyclictest9-21ksoftirqd/023:50:110
285359998,1cyclictest9-21ksoftirqd/020:05:110
285359998,0cyclictest9-21ksoftirqd/021:15:150
285359997,1cyclictest9-21ksoftirqd/022:15:110
285359997,1cyclictest9-21ksoftirqd/019:10:130
285359997,1cyclictest9-21ksoftirqd/000:35:150
285359994,4cyclictest0-21swapper/022:20:110
285389988,0cyclictest35-21ksoftirqd/323:00:143
285389987,1cyclictest35-21ksoftirqd/322:35:193
285389987,1cyclictest35-21ksoftirqd/322:25:143
285389987,1cyclictest35-21ksoftirqd/322:10:113
285389987,1cyclictest35-21ksoftirqd/320:45:123
285389987,1cyclictest35-21ksoftirqd/320:35:003
285389987,0cyclictest35-21ksoftirqd/323:30:203
285389987,0cyclictest35-21ksoftirqd/322:50:123
285389986,1cyclictest35-21ksoftirqd/319:20:003
285389986,1cyclictest23530-21snmpd21:59:443
285389982,2cyclictest240-21systemd-journal21:15:003
285389981,4cyclictest24726-21nscd23:18:093
285389980,7cyclictest0-21swapper/321:27:463
285379987,1cyclictest28-21ksoftirqd/222:50:012
285379986,1cyclictest61650irq/122-eno123:55:192
285379986,1cyclictest61650irq/122-eno123:20:002
285379986,1cyclictest61650irq/122-eno123:07:252
285379986,1cyclictest61650irq/122-eno122:56:572
285379986,1cyclictest61650irq/122-eno122:02:172
285379986,1cyclictest61650irq/122-eno121:15:152
285379986,1cyclictest61650irq/122-eno121:13:132
285379986,1cyclictest28-21ksoftirqd/220:40:002
285379986,1cyclictest0-21swapper/222:12:412
285379984,1cyclictest240-21systemd-journal23:25:002
285379981,4cyclictest28750-21apt-get19:10:112
285379981,4cyclictest1746-21apt-get19:20:102
285379980,2cyclictest0-21swapper/221:25:112
285379980,0cyclictest0-21swapper/223:14:582
285369981,6cyclictest0-21swapper/122:10:111
285359987,1cyclictest9-21ksoftirqd/022:30:130
285359987,1cyclictest9-21ksoftirqd/021:30:130
285359987,1cyclictest9-21ksoftirqd/020:15:120
285359986,1cyclictest9-21ksoftirqd/022:40:000
285359986,1cyclictest9-21ksoftirqd/021:35:190
285359986,1cyclictest9-21ksoftirqd/019:33:150
285359986,1cyclictest23530-21snmpd20:47:020
285359983,1cyclictest25723-21/usr/sbin/munin22:40:110
285359980,7cyclictest9616-21ssh23:45:030
285359980,7cyclictest3644-21ssh22:53:140
285359980,7cyclictest23028-21perf20:05:010
285359980,7cyclictest14250-21cstates19:45:140
285359980,7cyclictest0-21swapper/019:55:210
285359980,5cyclictest693-21runrttasks21:28:250
285359980,1cyclictest19384-21ssh21:47:540
11857280,0sleep10-21swapper/121:38:291
285389977,0cyclictest35-21ksoftirqd/320:15:103
285389976,1cyclictest35-21ksoftirqd/323:55:003
285389976,1cyclictest35-21ksoftirqd/323:20:133
285389976,1cyclictest35-21ksoftirqd/322:20:113
285389976,1cyclictest35-21ksoftirqd/321:45:003
285389976,1cyclictest35-21ksoftirqd/321:30:113
285389976,1cyclictest35-21ksoftirqd/321:24:163
285389976,1cyclictest35-21ksoftirqd/320:10:123
285389976,1cyclictest341rcuc/319:40:003
285389976,1cyclictest23530-21snmpd19:24:253
285389975,1cyclictest8899-21ssh21:35:093
285389975,1cyclictest35-21ksoftirqd/319:55:133
285389975,1cyclictest35-21ksoftirqd/319:45:173
285389975,1cyclictest23530-21snmpd22:58:053
285389975,1cyclictest23530-21snmpd22:43:023
285389975,1cyclictest23530-21snmpd21:02:183
285389975,1cyclictest23530-21snmpd20:55:093
285389975,1cyclictest23530-21snmpd20:28:183
285389972,3cyclictest0-21swapper/321:16:253
285389972,1cyclictest10965-21cron19:40:003
285389971,5cyclictest30905-21munin-node20:04:053
285389970,7cyclictest30905-21munin-node21:52:163
285379976,1cyclictest61650irq/122-eno123:50:192
285379976,1cyclictest61650irq/122-eno123:04:562
285379976,1cyclictest61650irq/122-eno121:35:562
285379976,1cyclictest61650irq/122-eno100:04:392
285379976,1cyclictest28-21ksoftirqd/222:20:142
285379976,1cyclictest23530-21snmpd23:40:342
285379976,1cyclictest23530-21snmpd23:40:332
285379976,1cyclictest23530-21snmpd00:35:182
285379976,0cyclictest61650irq/122-eno123:45:112
285379976,0cyclictest61650irq/122-eno121:20:132
285379975,1cyclictest61650irq/122-eno122:40:192
285379975,1cyclictest61650irq/122-eno121:55:162
285379975,1cyclictest28-21ksoftirqd/221:00:012
285379975,1cyclictest28-21ksoftirqd/220:45:002
285379972,2cyclictest14501-21apt-get22:25:102
285379970,3cyclictest0-21swapper/220:20:122
285379970,2cyclictest0-21swapper/221:40:152
285379970,1cyclictest0-21swapper/223:25:112
285369973,2cyclictest0-21swapper/123:40:111
285369973,2cyclictest0-21swapper/123:40:111
285369971,6cyclictest0-21swapper/122:43:111
285369971,6cyclictest0-21swapper/119:15:331
285369971,5cyclictest0-21swapper/121:56:081
285369971,5cyclictest0-21swapper/120:35:191
285369970,6cyclictest0-21swapper/122:05:131
285359976,1cyclictest9-21ksoftirqd/023:10:110
285359976,1cyclictest9-21ksoftirqd/022:45:120
285359976,1cyclictest9-21ksoftirqd/021:05:000
285359976,1cyclictest2131-21kworker/0:200:10:200
285359975,1cyclictest9-21ksoftirqd/020:55:110
285359975,1cyclictest9-21ksoftirqd/019:40:000
285359975,1cyclictest4446-21perl00:20:140
285359975,1cyclictest25569-21/usr/sbin/munin20:10:100
285359975,1cyclictest23530-21snmpd20:36:030
285359975,1cyclictest23530-21snmpd20:34:330
285359975,1cyclictest20478-21ntpq21:05:170
285359973,3cyclictest8337-21apt-get23:00:120
285359970,6cyclictest4565-21ssh22:55:100
285359970,6cyclictest2749-21load19:20:160
285359970,6cyclictest17330-21ssh23:55:040
285359970,6cyclictest17014-21cat19:50:150
285359970,6cyclictest15353-21sshd22:25:140
285359970,6cyclictest11573-21cpuspeed_turbos00:30:140
285359970,6cyclictest0-21swapper/020:20:190
285359970,6cyclictest0-21swapper/019:15:090
285359970,6cyclictest0-21swapper/000:05:110
285359970,1cyclictest2188-21telnet23:35:100
285359970,1cyclictest21434-21diskmemload23:15:190
285359970,1cyclictest0-21swapper/022:00:200
285359970,1cyclictest0-21swapper/000:15:070
285389965,1cyclictest9660-21ssh23:45:103
285389965,1cyclictest35-21ksoftirqd/323:40:013
285389965,1cyclictest35-21ksoftirqd/323:40:003
285389965,1cyclictest35-21ksoftirqd/323:25:163
285389965,1cyclictest35-21ksoftirqd/322:45:123
285389965,1cyclictest35-21ksoftirqd/320:50:113
285389965,1cyclictest35-21ksoftirqd/319:30:123
285389965,1cyclictest35-21ksoftirqd/319:29:593
285389965,1cyclictest35-21ksoftirqd/319:10:123
285389965,1cyclictest21063-21ssh22:33:173
285389964,1cyclictest35-21ksoftirqd/320:34:593
285389964,1cyclictest23530-21snmpd20:41:243
285389964,1cyclictest1303-21ssh22:05:253
285379966,0cyclictest61650irq/122-eno122:50:122
285379966,0cyclictest61650irq/122-eno122:36:222
285379966,0cyclictest61650irq/122-eno122:31:132
285379966,0cyclictest61650irq/122-eno121:45:212
285379966,0cyclictest61650irq/122-eno121:30:352
285379966,0cyclictest61650irq/122-eno121:05:112
285379966,0cyclictest61650irq/122-eno120:46:132
285379966,0cyclictest61650irq/122-eno120:15:112
285379966,0cyclictest61650irq/122-eno120:03:122
285379966,0cyclictest61650irq/122-eno119:54:162
285379966,0cyclictest61650irq/122-eno119:40:042
285379966,0cyclictest61650irq/122-eno119:30:042
285379966,0cyclictest61650irq/122-eno119:25:122
285379966,0cyclictest61650irq/122-eno100:30:192
285379966,0cyclictest61650irq/122-eno100:25:082
285379966,0cyclictest61650irq/122-eno100:15:122
285379966,0cyclictest61650irq/122-eno100:07:402
285379965,1cyclictest61650irq/122-eno122:15:122
285379965,1cyclictest61650irq/122-eno100:12:532
285379965,1cyclictest31881-21ssh22:05:062
285379964,1cyclictest61650irq/122-eno123:30:142
285379961,2cyclictest4981-21ntp_states00:20:172
285379960,6cyclictest0-21swapper/221:00:112
285379960,1cyclictest0-21swapper/219:47:082
285369965,1cyclictest0-21swapper/119:35:491
285369961,2cyclictest0-21swapper/123:55:161
285369961,1cyclictest0-21swapper/122:55:181
285369960,6cyclictest0-21swapper/122:28:571
285369960,6cyclictest0-21swapper/121:01:001
285369960,6cyclictest0-21swapper/120:08:381
285369960,5cyclictest0-21swapper/122:39:451
285369960,5cyclictest0-21swapper/122:20:131
285369960,5cyclictest0-21swapper/120:55:451
285369960,4cyclictest0-21swapper/123:29:181
285369960,4cyclictest0-21swapper/123:15:121
285369960,4cyclictest0-21swapper/121:45:011
285369960,4cyclictest0-21swapper/121:40:521
285369960,2cyclictest0-21swapper/123:05:121
285369960,2cyclictest0-21swapper/121:05:101
285369960,2cyclictest0-21swapper/100:05:111
285369960,1cyclictest0-21swapper/123:20:171
285369960,1cyclictest0-21swapper/119:42:231
285359965,1cyclictest5879-21users19:25:200
285359964,1cyclictest8259-21tail20:40:140
285359960,6cyclictest0-21swapper/023:20:590
285359960,6cyclictest0-21swapper/019:37:280
285389955,0cyclictest0-21swapper/320:22:313
285389954,1cyclictest35-21ksoftirqd/320:05:133
285389952,1cyclictest240-21systemd-journal19:50:013
285389951,3cyclictest21432-21munin-run21:10:003
285379955,0cyclictest61650irq/122-eno120:10:152
285379955,0cyclictest61650irq/122-eno120:07:362
285379953,1cyclictest9160-21grep19:35:122
285379950,4cyclictest1507-21ps20:25:172
285369954,1cyclictest0-21swapper/119:49:551
285369952,2cyclictest0-21swapper/121:13:461
285369951,2cyclictest0-21swapper/119:10:111
285369950,5cyclictest0-21swapper/121:31:581
285369950,5cyclictest0-21swapper/120:23:451
285369950,4cyclictest0-21swapper/123:55:001
285369950,4cyclictest0-21swapper/122:53:211
285369950,3cyclictest0-21swapper/123:10:171
285369950,3cyclictest0-21swapper/123:01:101
285369950,3cyclictest0-21swapper/122:45:101
285369950,3cyclictest0-21swapper/121:52:241
285369950,3cyclictest0-21swapper/121:24:031
285369950,3cyclictest0-21swapper/120:50:101
285369950,3cyclictest0-21swapper/120:30:201
285369950,3cyclictest0-21swapper/100:28:541
285369950,3cyclictest0-21swapper/100:00:151
285369950,2cyclictest0-21swapper/122:00:541
285369950,1cyclictest0-21swapper/122:30:181
285369950,1cyclictest0-21swapper/100:30:131
285359950,4cyclictest32663-21/usr/sbin/munin20:25:160
285379943,1cyclictest61650irq/122-eno120:50:102
285369941,2cyclictest0-21swapper/121:18:541
285369941,1cyclictest0-21swapper/122:15:141
285369941,1cyclictest0-21swapper/120:25:111
285369941,1cyclictest0-21swapper/119:52:191
285369941,1cyclictest0-21swapper/119:20:121
285369940,4cyclictest0-21swapper/123:48:061
285369940,3cyclictest0-21swapper/100:10:091
285369940,2cyclictest0-21swapper/123:35:141
285369940,2cyclictest0-21swapper/100:35:121
285369940,2cyclictest0-21swapper/100:20:281
285369940,1cyclictest0-21swapper/123:30:111
285369940,1cyclictest0-21swapper/121:26:381
285369940,1cyclictest0-21swapper/120:45:131
285369940,1cyclictest0-21swapper/120:17:511
285369940,1cyclictest0-21swapper/119:30:001
285369940,1cyclictest0-21swapper/100:15:151
285369940,0cyclictest0-21swapper/120:40:151
285369940,0cyclictest0-21swapper/120:00:181
285369940,0cyclictest0-21swapper/119:32:031
285369930,1cyclictest0-21swapper/119:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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