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2026-08-24 - 17:51
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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 Mon Aug 24, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231872210156,42sleep00-21swapper/007:07:220
232972209130,26sleep30-21swapper/307:08:483
232962201163,25sleep20-21swapper/207:08:472
231102199161,25sleep10-21swapper/107:06:211
235262690,0sleep20-21swapper/209:19:352
290392680,0sleep10-21swapper/108:25:191
2349199133,5cyclictest2045-21apt-get09:35:000
23491991311,1cyclictest9-21ksoftirqd/010:15:010
23491991311,1cyclictest9-21ksoftirqd/009:20:170
23491991311,1cyclictest9-21ksoftirqd/009:00:000
23515991212,0cyclictest0-21swapper/212:25:162
23515991210,1cyclictest28-21ksoftirqd/208:55:002
2349199129,1cyclictest9-21ksoftirqd/007:25:000
23491991210,1cyclictest9-21ksoftirqd/007:50:000
2352399119,1cyclictest35-21ksoftirqd/308:10:123
23523991110,1cyclictest35-21ksoftirqd/312:40:003
23523991110,1cyclictest35-21ksoftirqd/312:10:003
2351599119,1cyclictest28-21ksoftirqd/210:25:152
2351599119,1cyclictest28-21ksoftirqd/209:55:002
2351599119,1cyclictest28-21ksoftirqd/209:35:002
2351599118,2cyclictest28-21ksoftirqd/208:25:002
2349199119,1cyclictest9-21ksoftirqd/009:30:000
2349199119,1cyclictest9-21ksoftirqd/007:15:000
23491991110,1cyclictest9-21ksoftirqd/007:55:000
2352399109,1cyclictest35-21ksoftirqd/311:40:003
2352399109,1cyclictest35-21ksoftirqd/308:50:003
2352399107,1cyclictest35-21ksoftirqd/308:25:003
2352399100,5cyclictest0-21swapper/311:30:113
2351599109,1cyclictest28-21ksoftirqd/212:15:002
2351599109,1cyclictest28-21ksoftirqd/210:40:002
2351599109,1cyclictest28-21ksoftirqd/207:35:012
2350299100,3cyclictest0-21swapper/107:20:121
2349199109,1cyclictest9-21ksoftirqd/012:00:000
2349199109,1cyclictest9-21ksoftirqd/011:50:130
2349199109,1cyclictest9-21ksoftirqd/011:20:130
2349199109,1cyclictest9-21ksoftirqd/010:05:130
2349199109,1cyclictest9-21ksoftirqd/008:30:130
2349199108,1cyclictest9-21ksoftirqd/009:15:000
2349199108,1cyclictest9-21ksoftirqd/007:40:120
2349199104,4cyclictest15340-21cron10:40:000
2349199103,6cyclictest23317-21latency_hist10:05:000
2349199100,2cyclictest0-21swapper/008:45:120
235239998,1cyclictest35-21ksoftirqd/311:45:003
235239998,1cyclictest35-21ksoftirqd/311:25:003
235239998,1cyclictest35-21ksoftirqd/310:15:003
235239998,1cyclictest35-21ksoftirqd/310:15:003
235239998,1cyclictest35-21ksoftirqd/308:05:003
235239990,2cyclictest0-21swapper/310:05:123
235159998,1cyclictest28-21ksoftirqd/212:00:142
235159998,1cyclictest28-21ksoftirqd/211:15:132
235159998,0cyclictest6383-21kworker/2:010:51:012
235159997,1cyclictest297632sleep210:13:272
235159997,1cyclictest28-21ksoftirqd/212:20:002
235159992,6cyclictest18207-21apt-get11:30:112
235159990,8cyclictest28328-21aten2.4-expect12:30:132
234919999,0cyclictest9-21ksoftirqd/012:25:140
234919998,1cyclictest9-21ksoftirqd/012:25:000
234919998,1cyclictest9-21ksoftirqd/011:45:120
234919998,1cyclictest9-21ksoftirqd/011:06:260
234919998,1cyclictest9-21ksoftirqd/009:55:150
234919998,1cyclictest9-21ksoftirqd/009:35:120
234919998,1cyclictest9-21ksoftirqd/007:35:150
234919997,1cyclictest9-21ksoftirqd/010:50:130
234919992,3cyclictest6985-21apt-get12:00:120
234919990,8cyclictest0-21swapper/008:15:180
234919990,7cyclictest16331-21diskmemload09:15:030
235239988,0cyclictest35-21ksoftirqd/308:45:003
235239986,1cyclictest35-21ksoftirqd/307:25:013
235239986,1cyclictest11301-21snmpd08:57:413
235239986,1cyclictest11301-21snmpd08:32:293
235239985,2cyclictest11301-21snmpd11:58:553
235239981,5cyclictest16331-21diskmemload11:49:333
235239980,7cyclictest223032sleep310:49:563
235239980,4cyclictest0-21swapper/307:55:003
235159987,1cyclictest28-21ksoftirqd/208:15:002
235159986,1cyclictest61650irq/122-eno111:00:192
235159986,1cyclictest61650irq/122-eno111:00:002
235159986,1cyclictest61650irq/122-eno110:24:252
235159986,1cyclictest61650irq/122-eno110:10:002
235159986,1cyclictest28-21ksoftirqd/208:30:012
235159986,1cyclictest28-21ksoftirqd/207:55:002
235159986,1cyclictest28-21ksoftirqd/207:15:002
235159986,1cyclictest11301-21snmpd09:46:092
235159981,4cyclictest24932-21apt-get11:40:012
235159981,4cyclictest20467-21apt-get08:10:122
234919988,0cyclictest9-21ksoftirqd/012:10:140
234919988,0cyclictest9-21ksoftirqd/010:25:200
234919987,1cyclictest9-21ksoftirqd/011:30:150
234919987,1cyclictest9-21ksoftirqd/010:55:140
234919987,1cyclictest9-21ksoftirqd/010:45:140
234919987,1cyclictest9-21ksoftirqd/007:30:120
234919987,1cyclictest561-21nscd11:12:330
234919986,1cyclictest9-21ksoftirqd/012:30:130
234919986,1cyclictest11301-21snmpd09:49:330
234919986,1cyclictest11301-21snmpd08:29:430
234919986,1cyclictest11301-21snmpd08:21:570
234919981,5cyclictest16331-21diskmemload11:44:340
234919980,7cyclictest31421-21ssh10:15:140
234919980,7cyclictest0-21swapper/012:05:200
234919980,4cyclictest9282-21perf08:55:000
24053270,1sleep10-21swapper/112:23:541
235239977,0cyclictest35-21ksoftirqd/311:10:133
235239977,0cyclictest35-21ksoftirqd/309:50:143
235239976,1cyclictest35-21ksoftirqd/310:00:003
235239976,1cyclictest35-21ksoftirqd/308:40:003
235239976,1cyclictest29109-21cat12:30:163
235239976,1cyclictest11301-21snmpd08:05:393
235239975,1cyclictest22607-21apt-get10:50:103
235239975,1cyclictest11301-21snmpd12:20:113
235239975,1cyclictest11301-21snmpd11:03:533
235239975,1cyclictest11301-21snmpd07:45:443
235239972,1cyclictest32619-21ntp_states07:25:183
235239971,4cyclictest16331-21diskmemload10:27:493
235239971,3cyclictest16331-21diskmemload09:36:243
235239971,3cyclictest14211-21apt-get09:05:113
235239971,2cyclictest28138-21/usr/sbin/munin09:25:133
235239970,5cyclictest0-21swapper/310:40:113
235239970,5cyclictest0-21swapper/310:32:323
235239970,5cyclictest0-21swapper/309:18:473
235239970,4cyclictest0-21swapper/312:10:023
235239970,4cyclictest0-21swapper/311:50:003
235239970,4cyclictest0-21swapper/309:23:263
235239970,2cyclictest0-21swapper/311:15:173
235159976,1cyclictest61650irq/122-eno111:35:132
235159976,1cyclictest61650irq/122-eno111:20:152
235159976,1cyclictest61650irq/122-eno109:25:152
235159976,1cyclictest61650irq/122-eno108:30:142
235159976,1cyclictest61650irq/122-eno107:15:162
235159976,1cyclictest28-21ksoftirqd/210:30:142
235159976,1cyclictest28-21ksoftirqd/209:55:142
235159976,0cyclictest61650irq/122-eno110:40:152
235159975,1cyclictest61650irq/122-eno111:50:122
235159975,1cyclictest61650irq/122-eno111:25:162
235159975,1cyclictest61650irq/122-eno110:15:112
235159975,1cyclictest28-21ksoftirqd/209:40:152
235159975,1cyclictest28-21ksoftirqd/207:40:002
235159975,1cyclictest25135-21ntpq09:20:162
235159975,1cyclictest11301-21snmpd11:12:102
235159972,3cyclictest0-21swapper/208:05:122
235159971,5cyclictest61650irq/122-eno111:56:072
235159970,7cyclictest0-21swapper/207:40:142
235029970,6cyclictest0-21swapper/111:30:111
235029970,6cyclictest0-21swapper/110:40:111
234919976,1cyclictest9-21ksoftirqd/011:00:190
234919976,1cyclictest9-21ksoftirqd/008:40:000
234919976,1cyclictest3076-21sensors10:20:190
234919976,1cyclictest11301-21snmpd08:43:520
234919975,1cyclictest9-21ksoftirqd/011:20:000
234919975,1cyclictest16065-21df_inode08:00:140
234919975,1cyclictest11301-21snmpd09:06:080
234919973,1cyclictest240-21systemd-journal10:35:010
234919970,6cyclictest16331-21diskmemload12:35:500
234919970,1cyclictest22335-21uniq11:35:150
234919970,1cyclictest19544-21ssh12:15:410
234919970,1cyclictest17212-21ssh11:27:430
234919970,1cyclictest16331-21diskmemload09:41:250
234919970,1cyclictest16218-21fschecks_count10:40:160
234919970,1cyclictest0-21swapper/009:50:220
235239965,1cyclictest22597-21ssh10:02:493
235239965,1cyclictest19637-21ssh09:14:353
235239965,1cyclictest11301-21snmpd11:25:213
235239965,1cyclictest11301-21snmpd08:25:103
235239964,1cyclictest7751-21grep12:00:173
235239963,1cyclictest16331-21diskmemload10:35:133
235239962,4cyclictest15311-21awk08:00:003
235239961,3cyclictest16331-21diskmemload10:20:043
235239961,3cyclictest16331-21diskmemload09:41:513
235239961,3cyclictest0-21swapper/309:33:533
235239961,1cyclictest26055-21/usr/sbin/munin12:25:193
235239960,4cyclictest0-21swapper/307:15:013
235239960,3cyclictest23583-21gltestperf08:15:153
235239960,3cyclictest0-21swapper/311:06:313
235239960,1cyclictest240-21systemd-journal07:45:003
235239960,1cyclictest0-21swapper/312:15:193
235239960,1cyclictest0-21swapper/310:56:433
235239960,0cyclictest0-21swapper/309:49:283
235159966,0cyclictest61650irq/122-eno112:20:102
235159966,0cyclictest61650irq/122-eno112:05:122
235159966,0cyclictest61650irq/122-eno111:05:122
235159966,0cyclictest61650irq/122-eno110:00:472
235159966,0cyclictest61650irq/122-eno109:36:032
235159966,0cyclictest61650irq/122-eno109:00:162
235159966,0cyclictest61650irq/122-eno108:36:362
235159965,1cyclictest61650irq/122-eno110:45:142
235159965,1cyclictest3589-21ntpq08:40:172
235159965,1cyclictest17751-21ntpq09:10:172
235159965,0cyclictest271rcuc/208:00:142
235159964,1cyclictest61650irq/122-eno107:45:172
235159964,1cyclictest31691-21apt-get12:35:122
235159964,1cyclictest28-21ksoftirqd/207:55:132
235159964,1cyclictest28-21ksoftirqd/207:25:002
235159964,1cyclictest11301-21snmpd09:06:472
235159961,4cyclictest30658-21head11:45:202
235159960,1cyclictest0-21swapper/208:55:132
235029965,1cyclictest0-21swapper/109:40:141
235029961,2cyclictest0-21swapper/110:22:221
235029961,1cyclictest0-21swapper/112:03:281
235029960,6cyclictest0-21swapper/111:54:011
235029960,6cyclictest0-21swapper/111:09:481
235029960,6cyclictest0-21swapper/110:19:021
234919965,1cyclictest9-21ksoftirqd/008:10:120
234919965,1cyclictest9-21ksoftirqd/007:55:140
234919965,1cyclictest12998-21ntpq09:00:170
234919965,1cyclictest11301-21snmpd07:28:380
234919964,1cyclictest9-21ksoftirqd/008:05:140
234919960,6cyclictest28570-21chrt07:16:380
235239954,1cyclictest35-21ksoftirqd/307:35:013
235239953,1cyclictest25799-21munin-node07:15:003
235239953,1cyclictest13718-21taskset09:01:523
235239951,1cyclictest3746-21/usr/sbin/munin07:35:153
235239950,0cyclictest0-21swapper/308:53:043
235159955,0cyclictest61650irq/122-eno107:25:182
235159950,5cyclictest0-21swapper/208:49:022
235029955,0cyclictest0-21swapper/109:51:041
235029955,0cyclictest0-21swapper/109:45:001
235029952,2cyclictest0-21swapper/111:55:211
235029951,4cyclictest203-21jbd2/sda2-812:27:001
235029951,2cyclictest0-21swapper/108:50:201
235029950,5cyclictest0-21swapper/111:43:421
235029950,5cyclictest0-21swapper/108:15:191
235029950,4cyclictest0-21swapper/109:19:181
235029950,3cyclictest0-21swapper/111:45:101
235029950,3cyclictest0-21swapper/111:25:201
235029950,3cyclictest0-21swapper/111:00:151
235029950,3cyclictest0-21swapper/110:25:121
235029950,3cyclictest0-21swapper/109:20:141
235029950,2cyclictest0-21swapper/111:22:031
235029950,2cyclictest0-21swapper/111:10:551
235029950,1cyclictest0-21swapper/112:38:111
235029950,1cyclictest0-21swapper/112:10:231
235029950,1cyclictest0-21swapper/110:10:521
235029950,1cyclictest0-21swapper/110:05:001
235029950,1cyclictest0-21swapper/109:05:111
235029950,1cyclictest0-21swapper/107:50:181
235029950,0cyclictest0-21swapper/111:15:051
235029950,0cyclictest0-21swapper/110:39:461
235029950,0cyclictest0-21swapper/109:30:131
26807240,1sleep1201rcuc/110:55:141
235029944,0cyclictest0-21swapper/110:50:101
235029943,1cyclictest17515-21chrt08:03:081
235029943,1cyclictest10873-21chrt10:31:511
235029941,2cyclictest0-21swapper/107:15:001
235029941,1cyclictest0-21swapper/109:05:001
235029941,1cyclictest0-21swapper/109:00:001
235029940,4cyclictest27232-21chrt08:24:031
235029940,4cyclictest0-21swapper/112:30:161
235029940,4cyclictest0-21swapper/108:36:591
235029940,3cyclictest0-21swapper/111:35:221
235029940,3cyclictest0-21swapper/107:50:001
235029940,2cyclictest0-21swapper/112:15:191
235029940,2cyclictest0-21swapper/112:05:171
235029940,2cyclictest0-21swapper/110:45:311
235029940,2cyclictest0-21swapper/110:05:121
235029940,2cyclictest0-21swapper/109:37:311
235029940,2cyclictest0-21swapper/109:13:041
235029940,2cyclictest0-21swapper/108:45:121
235029940,2cyclictest0-21swapper/108:40:141
235029940,1cyclictest0-21swapper/109:55:091
235029940,1cyclictest0-21swapper/109:28:351
235029940,1cyclictest0-21swapper/108:10:121
235029940,1cyclictest0-21swapper/107:40:001
235029940,0cyclictest0-21swapper/107:13:041
235029930,2cyclictest0-21swapper/107:40:001
235029930,2cyclictest0-21swapper/107:25:181
235029930,1cyclictest0-21swapper/108:30:011
235029930,1cyclictest0-21swapper/108:05:011
235029930,1cyclictest0-21swapper/107:55:131
235029930,1cyclictest0-21swapper/107:30:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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