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2026-05-20 - 19:03
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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 May 20, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203462225148,64sleep10-21swapper/107:06:091
205762209159,25sleep30-21swapper/307:09:083
205602203164,25sleep20-21swapper/207:08:552
203672200163,24sleep00-21swapper/007:06:240
178862700,0sleep10-21swapper/108:10:131
68392620,0sleep213387-21diskmemload10:25:152
241752580,0sleep10-21swapper/111:31:021
20736991814,1cyclictest28-21ksoftirqd/209:59:502
288842160,0sleep20-21swapper/209:29:072
20736991414,0cyclictest28-21ksoftirqd/210:52:032
20723991311,1cyclictest9-21ksoftirqd/008:30:000
2074499120,12cyclictest0-21swapper/309:21:153
2072399123,4cyclictest30510-21latency_hist12:24:590
51912110,0sleep013387-21diskmemload12:32:580
2073699119,1cyclictest28-21ksoftirqd/211:50:172
2073699119,1cyclictest28-21ksoftirqd/209:30:172
20736991111,0cyclictest28-21ksoftirqd/210:55:012
20736991111,0cyclictest28-21ksoftirqd/210:35:022
20736991111,0cyclictest28-21ksoftirqd/209:35:222
20736991110,1cyclictest28-21ksoftirqd/211:05:002
20723991110,1cyclictest9-21ksoftirqd/010:00:000
20723991110,1cyclictest9-21ksoftirqd/008:00:010
32222100,1sleep10-21swapper/111:04:551
2073699109,1cyclictest28-21ksoftirqd/212:18:292
2073699109,1cyclictest28-21ksoftirqd/211:30:162
2073699109,1cyclictest28-21ksoftirqd/210:40:192
2073699109,1cyclictest28-21ksoftirqd/209:45:182
2073699108,1cyclictest28-21ksoftirqd/209:40:162
2073699108,1cyclictest28-21ksoftirqd/209:00:182
20736991010,0cyclictest28-21ksoftirqd/207:45:152
2073699100,10cyclictest0-21swapper/209:23:082
2072899100,3cyclictest0-21swapper/109:05:121
2072399109,1cyclictest9-21ksoftirqd/011:15:130
2072399109,1cyclictest9-21ksoftirqd/011:15:130
2072399109,1cyclictest9-21ksoftirqd/010:50:150
2072399109,1cyclictest9-21ksoftirqd/009:15:000
2072399109,1cyclictest9-21ksoftirqd/007:41:200
2072399108,1cyclictest9-21ksoftirqd/010:50:000
20723991010,0cyclictest9-21ksoftirqd/010:10:140
207449998,1cyclictest35-21ksoftirqd/312:30:003
207449998,1cyclictest35-21ksoftirqd/309:45:123
207449998,1cyclictest341rcuc/307:35:003
207449992,4cyclictest26558-21apt-get07:20:113
207449990,5cyclictest23368-21kworker/u8:212:20:323
207369999,0cyclictest28-21ksoftirqd/207:10:172
207369998,1cyclictest28-21ksoftirqd/211:20:152
207369998,1cyclictest28-21ksoftirqd/210:25:002
207369998,1cyclictest28-21ksoftirqd/210:17:462
207369998,1cyclictest28-21ksoftirqd/209:50:152
207369998,1cyclictest28-21ksoftirqd/207:35:112
207369998,1cyclictest28-21ksoftirqd/207:24:592
207369991,8cyclictest28-21ksoftirqd/211:35:212
207239998,1cyclictest9-21ksoftirqd/009:45:130
207239997,1cyclictest9-21ksoftirqd/010:30:170
207239996,1cyclictest240-21systemd-journal11:05:000
207239990,4cyclictest6342-21date08:55:010
207239990,4cyclictest6342-21date08:55:000
207239990,4cyclictest3989-21latency_hist08:50:010
207239990,1cyclictest240-21systemd-journal07:10:130
207239990,0cyclictest240-21systemd-journal10:42:500
207449987,1cyclictest35-21ksoftirqd/310:09:593
207449987,1cyclictest35-21ksoftirqd/309:14:593
207449987,0cyclictest0-21swapper/309:50:153
207449980,5cyclictest12988-21taskset08:00:013
207449980,5cyclictest0-21swapper/311:36:023
207449980,3cyclictest0-21swapper/311:28:213
207449980,1cyclictest0-21swapper/310:25:103
207369988,0cyclictest28-21ksoftirqd/212:29:592
207369988,0cyclictest28-21ksoftirqd/212:12:312
207369987,1cyclictest28-21ksoftirqd/212:25:232
207369987,1cyclictest28-21ksoftirqd/211:25:132
207369987,1cyclictest28-21ksoftirqd/211:12:372
207369987,1cyclictest28-21ksoftirqd/211:05:162
207369987,1cyclictest28-21ksoftirqd/210:47:182
207369987,1cyclictest28-21ksoftirqd/210:05:102
207369987,1cyclictest28-21ksoftirqd/208:40:152
207369987,1cyclictest28-21ksoftirqd/208:20:002
207369987,1cyclictest28-21ksoftirqd/207:25:142
207369987,0cyclictest28-21ksoftirqd/209:15:192
207369986,1cyclictest28-21ksoftirqd/212:35:332
207369986,1cyclictest28-21ksoftirqd/212:23:222
207369986,1cyclictest28-21ksoftirqd/212:05:142
207369986,1cyclictest28-21ksoftirqd/212:01:212
207369986,1cyclictest28-21ksoftirqd/211:55:142
207369986,1cyclictest28-21ksoftirqd/211:40:062
207369986,1cyclictest28-21ksoftirqd/211:15:352
207369986,1cyclictest28-21ksoftirqd/211:15:342
207369986,1cyclictest28-21ksoftirqd/210:30:432
207369986,1cyclictest28-21ksoftirqd/209:10:322
207369986,1cyclictest28-21ksoftirqd/208:35:002
207369983,4cyclictest28-21ksoftirqd/211:45:172
207369983,3cyclictest19588-21apt-get10:00:112
207239988,0cyclictest9-21ksoftirqd/012:15:140
207239988,0cyclictest9-21ksoftirqd/011:10:110
207239987,1cyclictest9-21ksoftirqd/011:30:170
207239987,1cyclictest9-21ksoftirqd/011:30:010
207239987,1cyclictest9-21ksoftirqd/008:24:590
207239987,1cyclictest28621-21ssh09:28:280
207239986,1cyclictest9-21ksoftirqd/012:25:140
207239986,1cyclictest9-21ksoftirqd/009:00:130
207239986,1cyclictest0-21swapper/010:00:110
207239983,3cyclictest548-21systemd-logind07:15:010
207239983,3cyclictest27876-21nscd08:35:120
207239980,7cyclictest29502-21/usr/sbin/munin09:30:110
207239980,6cyclictest240-21systemd-journal10:16:590
207449976,1cyclictest32270-21/usr/sbin/munin11:00:173
207449975,1cyclictest35-21ksoftirqd/312:30:123
207449975,1cyclictest35-21ksoftirqd/308:25:003
207449975,1cyclictest19642-21ssh10:42:223
207449975,1cyclictest16236-21cat08:05:153
207449973,2cyclictest240-21systemd-journal11:49:233
207449972,4cyclictest9130-21sh11:10:373
207449972,3cyclictest35-21ksoftirqd/311:20:123
207449972,2cyclictest294-21systemd-udevd09:17:083
207449972,2cyclictest26106-21apt-get07:20:003
207449971,0cyclictest0-21swapper/311:05:123
207449970,4cyclictest0-21swapper/309:38:543
207449970,3cyclictest15069-21unixbench_multi10:35:193
207449970,3cyclictest0-21swapper/310:52:393
207449970,3cyclictest0-21swapper/310:32:233
207449970,0cyclictest0-21swapper/310:00:113
207369977,0cyclictest32668-21sensors07:30:192
207369977,0cyclictest28-21ksoftirqd/207:15:012
207369976,1cyclictest28-21ksoftirqd/210:10:132
207369976,1cyclictest28-21ksoftirqd/208:50:162
207369976,1cyclictest28-21ksoftirqd/208:50:152
207369976,1cyclictest28-21ksoftirqd/208:35:152
207369975,1cyclictest61650irq/122-eno107:55:132
207369975,1cyclictest28-21ksoftirqd/209:05:132
207369970,1cyclictest24381-21chrt08:22:472
207289971,3cyclictest0-21swapper/108:45:101
207289970,7cyclictest0-21swapper/109:25:201
207289970,2cyclictest0-21swapper/108:05:111
207239976,1cyclictest9-21ksoftirqd/012:35:120
207239976,1cyclictest9-21ksoftirqd/009:15:100
207239976,1cyclictest9-21ksoftirqd/008:30:140
207239976,1cyclictest9-21ksoftirqd/008:00:140
207239976,1cyclictest9-21ksoftirqd/007:50:010
207239976,1cyclictest7775-21ssh10:25:220
207239976,1cyclictest29039-21telnet07:25:120
207239976,1cyclictest27807-21ssh11:35:460
207239976,1cyclictest25321-21ssh10:05:570
207239976,1cyclictest2088-21cat07:35:150
207239976,1cyclictest16732-21ssh11:20:580
207239976,1cyclictest14502-21ssh09:52:030
207239975,1cyclictest2257-21/usr/sbin/munin10:20:170
207239972,4cyclictest31330-21telnet07:30:120
207239970,7cyclictest15162-21ssh12:03:590
207239970,6cyclictest8604-21cstates07:50:140
207239970,6cyclictest8604-21cstates07:50:130
207239970,6cyclictest4641-21ssh09:40:030
207239970,6cyclictest31885-21/usr/sbin/munin08:40:150
207239970,6cyclictest29059-21diskstats10:55:150
207239970,6cyclictest13387-21diskmemload12:10:130
207239970,6cyclictest0-21swapper/011:55:060
207239970,6cyclictest0-21swapper/010:35:090
207239970,1cyclictest7119-21ssh11:52:190
207239970,1cyclictest22262-21sed08:20:000
207239970,1cyclictest0-21swapper/011:45:110
207239970,1cyclictest0-21swapper/011:05:190
207239970,1cyclictest0-21swapper/009:22:500
207449965,1cyclictest8979-21ssh12:38:093
207449965,1cyclictest8359-21ssh11:55:103
207449965,1cyclictest5272-21/usr/sbin/munin09:40:143
207449965,1cyclictest35-21ksoftirqd/307:45:143
207449965,1cyclictest31477-21ssh10:58:393
207449965,1cyclictest29506-21apt-get09:30:103
207449965,1cyclictest23836-21ssh10:48:423
207449965,1cyclictest2254-21ssh10:20:103
207449965,1cyclictest22485-21ssh12:13:333
207449965,1cyclictest14075-21ssh12:00:523
207449965,1cyclictest13295-21ssh11:16:523
207449965,1cyclictest13295-21ssh11:16:513
207449964,1cyclictest25055-21tr08:25:133
207449963,1cyclictest240-21systemd-journal12:15:383
207449963,1cyclictest240-21systemd-journal10:00:003
207449960,3cyclictest0-21swapper/312:06:303
207449960,2cyclictest0-21swapper/311:40:103
207449960,2cyclictest0-21swapper/309:05:123
207449960,1cyclictest0-21swapper/310:15:433
207449960,1cyclictest0-21swapper/310:10:273
207369966,0cyclictest28-21ksoftirqd/208:10:132
207369965,1cyclictest5242-21kworker/2:208:00:102
207369965,1cyclictest28-21ksoftirqd/208:55:152
207369965,1cyclictest28-21ksoftirqd/208:45:142
207369964,1cyclictest61650irq/122-eno108:05:132
207369964,1cyclictest61650irq/122-eno107:50:152
207369964,1cyclictest61650irq/122-eno107:50:142
207369964,1cyclictest28-21ksoftirqd/208:25:212
207369964,1cyclictest28-21ksoftirqd/207:40:122
207289964,1cyclictest0-21swapper/110:15:111
207289962,1cyclictest0-21swapper/110:55:151
207289962,1cyclictest0-21swapper/110:46:451
207289961,4cyclictest0-21swapper/107:55:121
207289961,3cyclictest0-21swapper/108:15:181
207289961,2cyclictest0-21swapper/110:31:561
207289961,2cyclictest0-21swapper/107:15:201
207289960,6cyclictest0-21swapper/112:34:021
207289960,6cyclictest0-21swapper/110:53:461
207289960,6cyclictest0-21swapper/110:35:181
207289960,4cyclictest0-21swapper/108:35:121
207289960,3cyclictest0-21swapper/108:50:121
207289960,3cyclictest0-21swapper/108:50:121
207289960,2cyclictest0-21swapper/112:25:111
207289960,2cyclictest0-21swapper/112:11:111
207289960,2cyclictest0-21swapper/109:11:151
207289960,1cyclictest0-21swapper/112:08:061
207289960,1cyclictest0-21swapper/107:50:121
207289960,1cyclictest0-21swapper/107:50:121
207239965,1cyclictest17868-21telnet08:10:130
207239960,6cyclictest0-21swapper/008:55:070
207239960,5cyclictest26555-21/usr/sbin/munin07:20:150
207239960,5cyclictest15357-21/usr/sbin/munin08:05:120
207239960,1cyclictest886-21ssh09:35:040
207239960,0cyclictest0-21swapper/012:05:100
207239960,0cyclictest0-21swapper/011:40:020
207239960,0cyclictest0-21swapper/009:05:040
7196250,0sleep10-21swapper/110:25:181
25565250,0sleep10-21swapper/112:16:401
207449955,0cyclictest35-21ksoftirqd/307:29:593
207449954,1cyclictest4461-21cat07:40:153
207449954,1cyclictest35-21ksoftirqd/307:53:023
207449954,1cyclictest35-21ksoftirqd/307:53:023
207449954,1cyclictest35-21ksoftirqd/307:40:003
207449954,1cyclictest28017-21ssh09:26:513
207449952,2cyclictest4928-21gltestperf08:50:153
207449952,2cyclictest4928-21gltestperf08:50:153
207449952,2cyclictest29509-21apt-get08:35:093
207449952,1cyclictest240-21systemd-journal09:00:013
207449952,1cyclictest22206-21wc07:10:193
207449951,2cyclictest240-21systemd-journal08:45:453
207449950,2cyclictest0-21swapper/311:51:073
207449950,2cyclictest0-21swapper/311:31:183
207449950,1cyclictest0-21swapper/308:40:123
207289955,0cyclictest0-21swapper/112:02:571
207289955,0cyclictest0-21swapper/111:38:451
207289955,0cyclictest0-21swapper/111:23:401
207289951,1cyclictest0-21swapper/110:20:111
207289950,5cyclictest0-21swapper/110:09:101
207289950,5cyclictest0-21swapper/109:57:121
207289950,5cyclictest0-21swapper/109:48:021
207289950,5cyclictest0-21swapper/109:35:161
207289950,4cyclictest30861-21chrt07:28:001
207289950,4cyclictest0-21swapper/112:37:061
207289950,4cyclictest0-21swapper/109:40:491
207289950,3cyclictest0-21swapper/108:55:161
207289950,2cyclictest0-21swapper/111:51:431
207289950,2cyclictest0-21swapper/111:18:081
207289950,2cyclictest0-21swapper/111:18:071
207289950,2cyclictest0-21swapper/110:10:151
207289950,2cyclictest0-21swapper/109:30:201
207289950,2cyclictest0-21swapper/109:20:101
207289950,2cyclictest0-21swapper/107:10:191
207289950,1cyclictest0-21swapper/110:41:441
207289950,1cyclictest0-21swapper/110:00:111
207289950,0cyclictest0-21swapper/111:55:191
207449944,0cyclictest28558-21sensors08:30:193
207449943,1cyclictest7193-21fschecks_time08:55:153
207449943,1cyclictest35-21ksoftirqd/308:10:093
207449943,1cyclictest20863-21sed08:15:153
207449943,1cyclictest10730-21stty07:55:133
207289943,1cyclictest292232sleep108:34:271
207289942,1cyclictest7226-21chrt11:10:081
207289942,1cyclictest1186-21chrt07:35:091
207289941,2cyclictest0-21swapper/111:40:101
207289940,3cyclictest0-21swapper/107:20:201
207289940,2cyclictest0-21swapper/111:05:161
207289940,2cyclictest0-21swapper/109:50:591
207289940,2cyclictest0-21swapper/109:15:061
207289940,2cyclictest0-21swapper/108:40:191
207289940,2cyclictest0-21swapper/108:00:121
207289940,2cyclictest0-21swapper/107:45:111
207289940,2cyclictest0-21swapper/107:30:161
207289940,1cyclictest0-21swapper/112:20:131
207289940,1cyclictest0-21swapper/111:45:101
207289940,1cyclictest0-21swapper/111:25:111
207289940,0cyclictest0-21swapper/108:25:201
207289940,0cyclictest0-21swapper/107:40:281
207289931,1cyclictest0-21swapper/108:20:111
207289930,1cyclictest0-21swapper/109:00:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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