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2025-12-17 - 02:44
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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 rack1slot1.osadl.org (updated Wed Dec 17, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106642203163,27sleep10-21swapper/119:08:341
104652201161,26sleep30-21swapper/319:05:593
104572201162,26sleep00-21swapper/019:05:520
104762199161,25sleep20-21swapper/219:06:062
240742200,1sleep024077-21uniq19:35:160
119252130,0sleep10-21swapper/123:40:181
10874991311,1cyclictest28-21ksoftirqd/219:15:012
10862991210,1cyclictest9-21ksoftirqd/023:45:000
1088399109,1cyclictest35-21ksoftirqd/320:20:013
1088399100,2cyclictest0-21swapper/323:05:123
1087499100,9cyclictest0-21swapper/200:30:202
1086299109,1cyclictest9-21ksoftirqd/020:40:180
1086299109,1cyclictest9-21ksoftirqd/020:40:000
1086299103,6cyclictest7428-21perf20:10:010
108839990,1cyclictest0-21swapper/320:10:133
108749998,1cyclictest28-21ksoftirqd/219:45:002
108749996,1cyclictest0-21swapper/223:29:242
108629998,1cyclictest9-21ksoftirqd/021:25:000
108629998,1cyclictest9-21ksoftirqd/000:00:000
108629998,0cyclictest9-21ksoftirqd/019:35:000
108629997,1cyclictest9-21ksoftirqd/020:20:010
108629993,5cyclictest2577-21cut22:15:110
108629992,3cyclictest13235-21latency_hist19:15:010
108839987,1cyclictest35-21ksoftirqd/323:15:013
108839987,1cyclictest35-21ksoftirqd/322:15:013
108839986,1cyclictest707-21snmpd23:51:013
108839986,1cyclictest707-21snmpd22:03:153
108839986,1cyclictest707-21snmpd20:31:033
108839986,1cyclictest35-21ksoftirqd/319:51:593
108839983,2cyclictest21647-21/usr/sbin/munin22:55:143
108839980,4cyclictest0-21swapper/319:35:143
108839980,1cyclictest0-21swapper/323:40:123
108749986,1cyclictest707-21snmpd21:27:142
108749986,1cyclictest707-21snmpd20:54:312
108749986,1cyclictest707-21snmpd19:45:082
108749986,1cyclictest707-21snmpd00:38:112
108749986,1cyclictest61650irq/122-eno120:55:172
108749983,2cyclictest30288-21apt-get22:05:132
108749982,5cyclictest13229-21munin-node23:45:262
108749980,2cyclictest0-21swapper/220:25:122
108709981,6cyclictest0-21swapper/120:22:541
108629988,0cyclictest9-21ksoftirqd/021:00:000
108629987,1cyclictest9-21ksoftirqd/023:50:120
108629987,1cyclictest9-21ksoftirqd/023:10:130
108629987,1cyclictest9-21ksoftirqd/022:25:000
108629987,1cyclictest9-21ksoftirqd/000:20:130
108629986,1cyclictest9-21ksoftirqd/020:05:000
108629986,1cyclictest707-21snmpd21:10:350
108629984,1cyclictest240-21systemd-journal21:45:000
108629981,6cyclictest830-21cat23:20:010
108629980,4cyclictest16551-21perf22:45:000
108839976,1cyclictest707-21snmpd22:07:073
108839976,1cyclictest35-21ksoftirqd/323:16:173
108839976,1cyclictest35-21ksoftirqd/321:15:113
108839975,1cyclictest707-21snmpd23:45:313
108839975,1cyclictest707-21snmpd23:31:303
108839975,1cyclictest707-21snmpd23:26:333
108839975,1cyclictest707-21snmpd23:24:483
108839975,1cyclictest707-21snmpd22:51:473
108839975,1cyclictest707-21snmpd22:42:473
108839975,1cyclictest707-21snmpd22:39:053
108839975,1cyclictest707-21snmpd21:06:043
108839975,1cyclictest707-21snmpd00:26:533
108839975,1cyclictest707-21snmpd00:18:323
108839975,1cyclictest35-21ksoftirqd/321:45:593
108839975,1cyclictest26553-21sshd20:45:583
108839975,1cyclictest17017-21cat21:35:173
108839970,4cyclictest0-21swapper/321:40:133
108839970,4cyclictest0-21swapper/321:25:123
108749976,1cyclictest707-21snmpd22:30:432
108749976,1cyclictest707-21snmpd22:22:252
108749976,1cyclictest707-21snmpd00:08:222
108749976,1cyclictest707-21snmpd00:08:222
108749976,1cyclictest61650irq/122-eno121:35:132
108749976,1cyclictest61650irq/122-eno121:10:152
108749976,1cyclictest61650irq/122-eno100:15:112
108749976,1cyclictest61650irq/122-eno100:10:182
108749976,1cyclictest61650irq/122-eno100:04:432
108749976,1cyclictest28-21ksoftirqd/223:20:112
108749975,1cyclictest707-21snmpd23:08:562
108749975,1cyclictest707-21snmpd21:19:442
108749975,1cyclictest707-21snmpd20:48:492
108749975,1cyclictest12437-21taskset23:40:332
108749974,1cyclictest240-21systemd-journal22:27:082
108749973,1cyclictest7624-21unixbench_singl23:30:212
108749971,6cyclictest0-21swapper/220:00:052
108749971,4cyclictest14389-21apt-get22:40:112
108749970,6cyclictest0-21swapper/219:50:162
108749970,1cyclictest0-21swapper/200:30:002
108709971,5cyclictest0-21swapper/123:50:121
108709970,6cyclictest0-21swapper/120:19:211
108709970,6cyclictest0-21swapper/119:20:151
108709970,1cyclictest0-21swapper/121:29:471
108629977,0cyclictest9-21ksoftirqd/021:25:160
108629976,1cyclictest9-21ksoftirqd/023:05:000
108629976,1cyclictest9-21ksoftirqd/022:35:140
108629976,1cyclictest9-21ksoftirqd/022:05:150
108629976,1cyclictest9-21ksoftirqd/021:30:220
108629976,1cyclictest9-21ksoftirqd/020:25:130
108629976,1cyclictest9-21ksoftirqd/019:20:110
108629976,1cyclictest9-21ksoftirqd/000:30:200
108629976,1cyclictest707-21snmpd00:26:590
108629976,1cyclictest31510-21cat19:50:160
108629975,1cyclictest9-21ksoftirqd/023:45:140
108629975,1cyclictest9-21ksoftirqd/000:15:170
108629975,1cyclictest707-21snmpd21:45:240
108629975,1cyclictest707-21snmpd21:16:260
108629975,1cyclictest707-21snmpd20:20:060
108629975,1cyclictest707-21snmpd00:01:250
108629975,1cyclictest24818-21aten_r1power_en20:45:100
108629975,1cyclictest1692-21ntpq19:55:160
108629970,6cyclictest18380-21grep22:45:210
108629970,6cyclictest0-21swapper/000:10:130
108629970,2cyclictest0-21swapper/000:35:120
108629970,1cyclictest32351-21/usr/sbin/munin21:00:150
108629970,1cyclictest27111-21/usr/sbin/munin20:50:130
108629970,1cyclictest10860-21cyclictest22:33:140
108629970,1cyclictest0-21swapper/023:35:240
108839965,1cyclictest707-21snmpd23:55:463
108839965,1cyclictest5824-21cat22:20:173
108839965,1cyclictest26806-21cat19:40:163
108839964,1cyclictest707-21snmpd20:43:583
108839964,1cyclictest35-21ksoftirqd/319:15:013
108839964,1cyclictest2922-21cat00:30:163
108839964,1cyclictest27583-21sshd21:58:583
108839963,1cyclictest240-21systemd-journal21:24:563
108839963,1cyclictest240-21systemd-journal20:00:013
108839963,1cyclictest240-21systemd-journal19:34:553
108839963,1cyclictest240-21systemd-journal19:21:083
108839961,3cyclictest0-21swapper/300:35:153
108839960,4cyclictest30282-21cut00:20:143
108839960,4cyclictest0-21swapper/300:10:153
108839960,3cyclictest0-21swapper/319:25:133
108749966,0cyclictest61650irq/122-eno123:55:162
108749966,0cyclictest61650irq/122-eno123:35:122
108749966,0cyclictest61650irq/122-eno123:10:132
108749966,0cyclictest61650irq/122-eno122:45:132
108749966,0cyclictest61650irq/122-eno122:00:092
108749966,0cyclictest61650irq/122-eno121:55:122
108749966,0cyclictest61650irq/122-eno121:50:092
108749966,0cyclictest61650irq/122-eno121:40:192
108749966,0cyclictest61650irq/122-eno121:20:292
108749966,0cyclictest61650irq/122-eno120:20:202
108749966,0cyclictest61650irq/122-eno120:12:462
108749966,0cyclictest61650irq/122-eno119:37:422
108749966,0cyclictest61650irq/122-eno119:30:132
108749966,0cyclictest61650irq/122-eno119:16:132
108749965,1cyclictest61650irq/122-eno120:05:122
108749965,1cyclictest32218-21ntpq23:15:172
108749964,1cyclictest61650irq/122-eno123:00:122
108749964,1cyclictest61650irq/122-eno121:45:112
108749964,1cyclictest61650irq/122-eno119:20:132
108749964,1cyclictest28-21ksoftirqd/223:50:512
108749964,1cyclictest18613-21ntpq20:30:172
108749960,1cyclictest0-21swapper/220:15:132
108709961,3cyclictest0-21swapper/100:10:121
108709960,6cyclictest0-21swapper/123:36:021
108709960,6cyclictest0-21swapper/122:18:041
108709960,6cyclictest0-21swapper/121:55:221
108709960,6cyclictest0-21swapper/121:49:391
108709960,6cyclictest0-21swapper/121:38:121
108709960,6cyclictest0-21swapper/121:01:461
108709960,6cyclictest0-21swapper/120:59:181
108709960,6cyclictest0-21swapper/120:47:521
108709960,6cyclictest0-21swapper/100:27:081
108709960,5cyclictest0-21swapper/119:15:011
108709960,5cyclictest0-21swapper/100:20:161
108709960,4cyclictest0-21swapper/121:50:131
108709960,3cyclictest0-21swapper/122:10:111
108709960,2cyclictest0-21swapper/121:05:101
108709960,1cyclictest0-21swapper/119:33:011
108629966,0cyclictest0-21swapper/020:30:130
108629965,1cyclictest9-21ksoftirqd/023:05:190
108629965,1cyclictest9-21ksoftirqd/022:00:140
108629965,1cyclictest9-21ksoftirqd/021:10:010
108629964,1cyclictest25333-21ls21:55:000
108629964,1cyclictest1228-21/usr/sbin/munin23:20:150
108629960,6cyclictest0-21swapper/022:25:190
108629960,5cyclictest0-21swapper/021:35:150
108629960,4cyclictest28044-21apt19:45:000
108629960,1cyclictest20597-21sshd19:25:350
108629960,1cyclictest0-21swapper/022:55:110
108629960,1cyclictest0-21swapper/022:50:180
108629960,0cyclictest0-21swapper/022:13:140
108629960,0cyclictest0-21swapper/020:10:210
108839955,0cyclictest0-21swapper/320:54:013
108839955,0cyclictest0-21swapper/300:00:223
108839954,1cyclictest707-21snmpd20:06:003
108839954,1cyclictest35-21ksoftirqd/322:30:133
108839953,1cyclictest4335-21apt-get21:10:123
108839952,2cyclictest30866-21/usr/sbin/munin20:55:203
108839952,2cyclictest12726-21aten2.4-expect20:20:143
108839952,1cyclictest240-21systemd-journal19:16:583
108839951,2cyclictest22665-21apt-get00:05:123
108839951,2cyclictest22665-21apt-get00:05:123
108839951,2cyclictest15129-21apt-get20:25:113
108839951,2cyclictest0-21swapper/323:35:113
108839950,1cyclictest0-21swapper/322:45:203
108839950,0cyclictest0-21swapper/322:16:223
108839950,0cyclictest0-21swapper/321:50:133
108839950,0cyclictest0-21swapper/321:30:453
108749955,0cyclictest61650irq/122-eno122:50:112
108749955,0cyclictest61650irq/122-eno121:30:132
108749955,0cyclictest61650irq/122-eno120:35:132
108749955,0cyclictest61650irq/122-eno119:29:122
108749954,1cyclictest61650irq/122-eno122:15:202
108749954,1cyclictest23096-21cat20:40:192
108749953,1cyclictest12806-21cut22:35:152
108749953,1cyclictest0-21swapper/222:55:122
108749951,3cyclictest514-21apt-get19:55:112
108749951,1cyclictest0-21swapper/221:00:122
108749950,4cyclictest29746-21apt-get00:20:122
108749950,4cyclictest1118-21irqstats22:10:152
108749950,1cyclictest0-21swapper/221:05:152
108709955,0cyclictest0-21swapper/122:28:001
108709954,1cyclictest0-21swapper/119:25:221
108709953,1cyclictest0-21swapper/123:25:121
108709952,3cyclictest0-21swapper/122:06:271
108709952,1cyclictest0-21swapper/122:35:151
108709952,1cyclictest0-21swapper/100:00:181
108709951,4cyclictest21-21ksoftirqd/122:51:141
108709951,3cyclictest0-21swapper/121:40:211
108709951,2cyclictest0-21swapper/123:30:121
108709951,2cyclictest0-21swapper/100:15:091
108709951,1cyclictest0-21swapper/121:20:121
108709951,1cyclictest0-21swapper/120:30:191
108709950,5cyclictest0-21swapper/123:13:381
108709950,5cyclictest0-21swapper/123:10:011
108709950,5cyclictest0-21swapper/123:04:531
108709950,5cyclictest0-21swapper/119:48:411
108709950,4cyclictest0-21swapper/123:50:001
108709950,3cyclictest0-21swapper/122:32:181
108709950,3cyclictest0-21swapper/120:10:171
108709950,2cyclictest0-21swapper/120:00:201
108709950,2cyclictest0-21swapper/119:50:141
108709950,0cyclictest0-21swapper/120:38:431
108709950,0cyclictest0-21swapper/100:39:581
108629955,0cyclictest0-21swapper/019:15:010
108629954,1cyclictest9-21ksoftirqd/023:30:120
108629954,1cyclictest9-21ksoftirqd/019:45:010
108629950,5cyclictest0-21swapper/000:05:120
108629950,5cyclictest0-21swapper/000:05:120
108629950,0cyclictest0-21swapper/023:25:120
108629950,0cyclictest0-21swapper/021:55:140
108839944,0cyclictest13218-21kworker/3:220:36:543
108839943,1cyclictest29146-21cat19:45:173
108839943,1cyclictest25186-21ntp_states23:00:183
108839942,1cyclictest7867-21cut22:25:153
108839940,2cyclictest31840-21apt-get21:00:123
108839940,1cyclictest0-21swapper/319:55:173
108709942,1cyclictest87562sleep121:19:341
108709942,1cyclictest167352sleep122:45:081
108709941,2cyclictest0-21swapper/123:15:151
108709941,2cyclictest0-21swapper/122:55:111
108709941,2cyclictest0-21swapper/120:50:121
108709941,1cyclictest0-21swapper/120:05:111
108709940,4cyclictest0-21swapper/122:40:021
108709940,4cyclictest0-21swapper/121:10:211
108709940,4cyclictest0-21swapper/120:40:231
108709940,4cyclictest0-21swapper/119:44:591
108709940,3cyclictest0-21swapper/123:55:181
108709940,3cyclictest0-21swapper/122:20:221
108709940,3cyclictest0-21swapper/100:35:001
108709940,3cyclictest0-21swapper/100:09:361
108709940,3cyclictest0-21swapper/100:09:361
108709940,2cyclictest0-21swapper/120:25:021
108709940,2cyclictest0-21swapper/119:35:141
108709940,1cyclictest0-21swapper/122:04:331
108709940,1cyclictest0-21swapper/121:34:291
108709940,1cyclictest0-21swapper/119:10:141
108709940,0cyclictest0-21swapper/123:20:191
108709940,0cyclictest0-21swapper/119:55:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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