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2026-09-14 - 03:33
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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 Mon Sep 14, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141662216150,22sleep20-21swapper/219:08:022
139762209145,22sleep30-21swapper/319:05:333
141302199163,23sleep10-21swapper/119:07:331
143092197158,24sleep00-21swapper/019:09:530
125572730,0sleep20-21swapper/220:10:172
71062580,0sleep00-21swapper/021:55:000
39912570,0sleep10-21swapper/122:35:181
150672170,0sleep00-21swapper/022:05:170
14429991210,1cyclictest35-21ksoftirqd/319:40:003
14415991210,1cyclictest7672sleep123:17:241
1440799129,0cyclictest9-21ksoftirqd/023:40:130
14407991210,1cyclictest9-21ksoftirqd/022:15:000
1442999119,1cyclictest35-21ksoftirqd/321:35:013
1440799119,1cyclictest9-21ksoftirqd/022:45:130
1440799119,1cyclictest9-21ksoftirqd/022:30:180
1440799112,4cyclictest11180-21munin-run00:20:000
14407991110,1cyclictest9-21ksoftirqd/023:00:160
14407991110,1cyclictest9-21ksoftirqd/021:10:210
14407991110,0cyclictest9-21ksoftirqd/000:00:190
1442999109,1cyclictest35-21ksoftirqd/321:15:003
1440799109,1cyclictest9-21ksoftirqd/022:55:010
1440799109,1cyclictest9-21ksoftirqd/022:35:140
1440799109,1cyclictest9-21ksoftirqd/000:05:190
1440799108,1cyclictest9-21ksoftirqd/022:15:140
1440799108,1cyclictest9-21ksoftirqd/021:55:140
1440799108,1cyclictest9-21ksoftirqd/021:30:010
1440799108,1cyclictest9-21ksoftirqd/020:05:150
1440799101,6cyclictest10763-21apt-get22:00:130
144299994,3cyclictest2105-21sh00:05:173
144239994,3cyclictest28-21ksoftirqd/221:17:422
144159990,7cyclictest0-21swapper/121:40:211
144079998,1cyclictest9-21ksoftirqd/023:55:000
144079998,1cyclictest9-21ksoftirqd/023:30:000
144079998,1cyclictest9-21ksoftirqd/023:00:000
144079998,1cyclictest9-21ksoftirqd/021:45:000
144079998,1cyclictest9-21ksoftirqd/000:30:140
144079998,0cyclictest9-21ksoftirqd/020:50:000
144079997,1cyclictest9-21ksoftirqd/023:55:110
144079997,1cyclictest9-21ksoftirqd/020:25:000
144079997,1cyclictest9-21ksoftirqd/019:55:000
144299986,1cyclictest35-21ksoftirqd/320:43:273
144299986,1cyclictest11301-21snmpd22:49:223
144299986,1cyclictest11301-21snmpd21:22:173
144299986,1cyclictest11301-21snmpd20:56:193
144299986,1cyclictest11301-21snmpd20:45:493
144299986,1cyclictest11301-21snmpd19:15:253
144299981,5cyclictest22950-21apt-get23:50:103
144299981,2cyclictest0-21swapper/323:20:113
144299980,5cyclictest18372-21apt-get21:25:113
144299980,4cyclictest7300-21diskmemload00:20:003
144239986,1cyclictest61650irq/122-eno123:04:042
144239986,1cyclictest61650irq/122-eno122:45:162
144239986,1cyclictest61650irq/122-eno121:35:122
144239986,1cyclictest61650irq/122-eno120:00:132
144239986,1cyclictest28-21ksoftirqd/220:40:002
144239986,1cyclictest2587-21ls21:00:002
144239986,1cyclictest11301-21snmpd22:03:152
144239986,1cyclictest11301-21snmpd21:26:352
144239986,1cyclictest11301-21snmpd00:36:522
144239980,5cyclictest0-21swapper/223:20:112
144159983,3cyclictest287402sleep123:10:201
144079986,1cyclictest9-21ksoftirqd/022:45:000
144079986,1cyclictest9-21ksoftirqd/020:35:130
144079986,1cyclictest9-21ksoftirqd/020:05:000
144079986,1cyclictest9-21ksoftirqd/019:20:140
144079986,1cyclictest9-21ksoftirqd/019:20:000
144079986,1cyclictest11301-21snmpd19:55:450
144079982,2cyclictest7300-21diskmemload23:45:190
144079981,1cyclictest8979-1kworker/u9:123:33:180
144079980,7cyclictest2131-21ssh21:45:300
144079980,6cyclictest7300-21diskmemload00:20:080
144079980,4cyclictest27050-21perf23:10:000
144299976,1cyclictest769-21lldpd23:59:333
144299976,1cyclictest5397-21cat19:55:153
144299976,1cyclictest24328-21cat20:35:143
144299976,1cyclictest11301-21snmpd20:04:013
144299976,1cyclictest11301-21snmpd19:34:533
144299975,1cyclictest3715-21cat21:00:163
144299975,1cyclictest22843-21ssh23:02:423
144299975,1cyclictest18614-21cat22:10:143
144299975,1cyclictest12987-21ssh21:15:413
144299975,1cyclictest11301-21snmpd23:26:563
144299975,1cyclictest11301-21snmpd23:13:023
144299975,1cyclictest11301-21snmpd22:16:273
144299975,1cyclictest11301-21snmpd22:00:153
144299975,1cyclictest11301-21snmpd21:50:093
144299975,1cyclictest11301-21snmpd20:31:063
144299975,1cyclictest11301-21snmpd20:31:063
144299975,1cyclictest11301-21snmpd19:50:023
144299974,1cyclictest240-21systemd-journal23:00:013
144299972,3cyclictest8421-21ntp_kernel_pll_21:55:193
144299971,4cyclictest659-21needreboot19:45:173
144299970,6cyclictest8654-21ssh22:41:523
144299970,4cyclictest0-21swapper/323:35:133
144299970,3cyclictest0-21swapper/323:15:103
144299970,3cyclictest0-21swapper/323:05:453
144239976,1cyclictest61650irq/122-eno123:35:202
144239976,1cyclictest61650irq/122-eno123:10:112
144239976,1cyclictest61650irq/122-eno123:05:182
144239976,1cyclictest61650irq/122-eno122:41:392
144239976,1cyclictest61650irq/122-eno122:34:162
144239976,1cyclictest61650irq/122-eno122:05:222
144239976,1cyclictest61650irq/122-eno121:40:412
144239976,1cyclictest61650irq/122-eno121:20:472
144239976,1cyclictest61650irq/122-eno120:15:172
144239976,1cyclictest61650irq/122-eno119:36:272
144239976,1cyclictest61650irq/122-eno119:15:002
144239976,0cyclictest61650irq/122-eno121:50:022
144239976,0cyclictest61650irq/122-eno120:45:152
144239975,1cyclictest61650irq/122-eno122:20:132
144239975,1cyclictest61650irq/122-eno121:45:152
144239975,1cyclictest61650irq/122-eno121:35:012
144239975,1cyclictest30789-21ssh00:00:202
144239975,1cyclictest28-21ksoftirqd/222:15:092
144239975,1cyclictest28-21ksoftirqd/220:45:012
144239975,1cyclictest11301-21snmpd23:42:212
144239975,1cyclictest11301-21snmpd00:20:102
144239975,1cyclictest11301-21snmpd00:16:522
144239973,2cyclictest11301-21snmpd23:18:232
144239971,6cyclictest0-21swapper/219:32:582
144239970,6cyclictest0-21swapper/223:50:062
144239970,5cyclictest19242-21chrt22:57:222
144239970,2cyclictest0-21swapper/221:00:112
144239970,1cyclictest0-21swapper/222:25:282
144239970,1cyclictest0-21swapper/219:12:412
144159972,2cyclictest0-21swapper/121:30:131
144159971,6cyclictest0-21swapper/123:23:291
144159970,6cyclictest0-21swapper/119:53:351
144159970,5cyclictest0-21swapper/121:53:591
144159970,4cyclictest0-21swapper/123:00:021
144159970,4cyclictest0-21swapper/100:35:001
144159970,1cyclictest0-21swapper/119:24:351
144159970,1cyclictest0-21swapper/119:11:251
144079977,0cyclictest9-21ksoftirqd/022:25:150
144079976,1cyclictest9-21ksoftirqd/023:40:010
144079976,1cyclictest9-21ksoftirqd/020:25:140
144079976,1cyclictest9-21ksoftirqd/019:45:010
144079975,1cyclictest9-21ksoftirqd/019:25:120
144079974,1cyclictest240-21systemd-journal19:45:010
144079973,2cyclictest7300-21diskmemload22:21:270
144079973,1cyclictest294-21systemd-udevd20:57:080
144079972,4cyclictest27312-21apt-get23:10:110
144079971,4cyclictest7300-21diskmemload00:29:330
144079971,4cyclictest24726-21nscd21:15:270
144079970,6cyclictest7300-21diskmemload00:14:390
144079970,6cyclictest24939-21/usr/sbin/munin19:30:140
144079970,4cyclictest32677-21perf20:55:000
144079970,3cyclictest0-21swapper/021:20:160
144079970,1cyclictest7300-21diskmemload23:20:020
144079970,1cyclictest24043-21ssh21:31:070
144079970,1cyclictest0-21swapper/020:41:090
144299965,1cyclictest6200-21ssh00:10:253
144299965,1cyclictest4933-21ssh22:36:083
144299965,1cyclictest31614-21ssh21:42:163
144299965,1cyclictest30017-21ssh22:25:313
144299965,1cyclictest27304-21ssh22:23:043
144299965,1cyclictest2589-21ssh21:47:003
144299965,1cyclictest22283-21ssh23:48:433
144299965,1cyclictest16184-21ssh22:05:533
144299965,1cyclictest1126-21ssh22:30:443
144299964,1cyclictest22800-21cat00:35:173
144299964,1cyclictest20641-21sshd20:27:283
144299964,1cyclictest16917-21irqstats23:40:163
144299964,1cyclictest11301-21snmpd21:07:193
144299964,1cyclictest11301-21snmpd00:25:163
144299963,2cyclictest11585-21taskset20:10:073
144299963,1cyclictest240-21systemd-journal00:30:003
144299962,1cyclictest14570-21grep20:15:163
144299961,4cyclictest7300-21diskmemload21:35:173
144299960,4cyclictest0-21swapper/323:33:523
144299960,4cyclictest0-21swapper/322:51:323
144299960,2cyclictest9238-21apt-get20:05:123
144299960,0cyclictest0-21swapper/300:24:093
144239966,0cyclictest61650irq/122-eno123:27:182
144239966,0cyclictest61650irq/122-eno122:50:582
144239966,0cyclictest61650irq/122-eno122:10:262
144239966,0cyclictest61650irq/122-eno121:10:042
144239966,0cyclictest61650irq/122-eno120:50:152
144239966,0cyclictest61650irq/122-eno120:34:502
144239966,0cyclictest61650irq/122-eno120:34:502
144239966,0cyclictest61650irq/122-eno120:23:282
144239966,0cyclictest61650irq/122-eno120:05:172
144239966,0cyclictest61650irq/122-eno119:40:172
144239966,0cyclictest61650irq/122-eno100:30:052
144239966,0cyclictest61650irq/122-eno100:10:102
144239966,0cyclictest61650irq/122-eno100:05:092
144239965,1cyclictest61650irq/122-eno123:55:092
144239965,1cyclictest61650irq/122-eno123:45:272
144239965,1cyclictest61650irq/122-eno119:50:132
144239964,1cyclictest61650irq/122-eno119:45:122
144239964,1cyclictest61650irq/122-eno119:20:132
144239964,1cyclictest10000-21cat23:30:162
144239963,2cyclictest15621-21cut00:25:132
144239962,2cyclictest240-21systemd-journal21:10:002
144239960,4cyclictest0-21swapper/221:55:122
144239960,2cyclictest0-21swapper/222:35:162
144239960,1cyclictest0-21swapper/220:28:122
144159965,1cyclictest0-21swapper/122:00:061
144159962,3cyclictest21609-21chrt23:46:311
144159962,2cyclictest0-21swapper/123:05:241
144159961,3cyclictest0-21swapper/121:19:061
144159960,6cyclictest0-21swapper/123:40:121
144159960,6cyclictest0-21swapper/123:33:321
144159960,6cyclictest0-21swapper/122:40:261
144159960,6cyclictest0-21swapper/121:25:201
144159960,6cyclictest0-21swapper/120:58:461
144159960,6cyclictest0-21swapper/120:31:541
144159960,6cyclictest0-21swapper/120:31:541
144159960,6cyclictest0-21swapper/120:10:261
144159960,6cyclictest0-21swapper/100:16:281
144159960,5cyclictest0-21swapper/120:05:441
144159960,3cyclictest0-21swapper/122:30:251
144159960,3cyclictest0-21swapper/122:24:071
144159960,2cyclictest0-21swapper/121:55:211
144159960,2cyclictest0-21swapper/120:15:141
144159960,1cyclictest0-21swapper/123:57:151
144159960,1cyclictest0-21swapper/119:18:161
144159960,0cyclictest0-21swapper/123:35:111
144079964,1cyclictest9-21ksoftirqd/021:10:000
144079964,1cyclictest9-21ksoftirqd/019:10:160
144079964,1cyclictest11889-21tr20:10:140
144079964,1cyclictest11301-21snmpd20:35:010
144079964,1cyclictest11301-21snmpd20:35:000
144079963,1cyclictest0-21swapper/023:15:120
144079963,0cyclictest7300-21diskmemload21:35:290
144079962,2cyclictest240-21systemd-journal19:40:000
144079962,2cyclictest21898-21apt-get00:35:130
144079960,2cyclictest0-21swapper/021:00:110
144299954,1cyclictest11301-21snmpd19:28:403
144299953,1cyclictest32195-21grep20:50:223
144299953,1cyclictest18528-21sort20:25:003
144299953,1cyclictest11301-21snmpd19:43:413
144299952,0cyclictest7300-21diskmemload00:02:303
144299951,2cyclictest0-21swapper/319:10:143
144299950,1cyclictest240-21systemd-journal19:25:003
144239955,0cyclictest61650irq/122-eno119:26:322
144239954,1cyclictest61650irq/122-eno119:55:182
144159950,5cyclictest0-21swapper/121:46:501
144159950,5cyclictest0-21swapper/121:10:331
144159950,5cyclictest0-21swapper/100:36:251
144159950,4cyclictest0-21swapper/121:35:311
144159950,4cyclictest0-21swapper/120:50:001
144159950,4cyclictest0-21swapper/100:20:401
144159950,3cyclictest64552sleep100:11:031
144159950,2cyclictest0-21swapper/122:45:341
144159950,2cyclictest0-21swapper/122:05:221
144159950,2cyclictest0-21swapper/121:20:211
144159950,1cyclictest0-21swapper/123:53:131
144159950,1cyclictest0-21swapper/120:20:131
144159950,1cyclictest0-21swapper/119:55:101
144159950,1cyclictest0-21swapper/100:29:171
144079950,4cyclictest13946-21/usr/sbin/munin20:15:140
144159941,1cyclictest0-21swapper/121:05:111
144159940,4cyclictest0-21swapper/120:25:191
144159940,3cyclictest0-21swapper/123:27:141
144159940,3cyclictest0-21swapper/122:10:191
144159940,3cyclictest0-21swapper/120:05:011
144159940,2cyclictest0-21swapper/122:55:201
144159940,2cyclictest0-21swapper/122:52:021
144159940,2cyclictest0-21swapper/122:16:401
144159940,2cyclictest0-21swapper/119:45:171
144159940,2cyclictest0-21swapper/100:05:121
144159940,2cyclictest0-21swapper/100:01:101
144159940,1cyclictest0-21swapper/122:25:121
144159940,1cyclictest0-21swapper/121:00:161
144159940,1cyclictest0-21swapper/120:40:111
144159940,0cyclictest0-21swapper/119:35:131
144159931,1cyclictest0-21swapper/119:25:101
144159930,3cyclictest0-21swapper/119:30:061
144159930,2cyclictest0-21swapper/119:40:011
144159930,1cyclictest0-21swapper/120:35:131
144159930,0cyclictest0-21swapper/120:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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