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2026-07-18 - 20:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackeslot4.osadl.org (updated Sat Jul 18, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211649599321,28cyclictest2250555-21tr09:20:162
211649599311,4cyclictest2291205-21ps10:00:152
211649599311,22cyclictest2275491-21apt-get09:45:142
211649599310,2cyclictest0-21swapper/207:10:222
211649599301,2cyclictest2396643-21ntpq11:40:202
2116495992919,8cyclictest2306485-21sort10:15:172
211649599281,2cyclictest2173005-21apt-get08:05:122
211649599281,21cyclictest2403323-21apt-get11:50:122
211649599280,26cyclictest0-21swapper/209:05:122
211649599272,2cyclictest2418563-21apt-get12:05:122
2116495992718,8cyclictest2218403-21apt08:50:002
211649599271,25cyclictest0-21swapper/211:32:362
211649599271,24cyclictest0-21swapper/207:40:122
211649599271,21cyclictest2285629-21apt-get09:55:142
211649599270,6cyclictest2136309-21sshd07:25:182
2116501992622,2cyclictest0-21swapper/307:35:163
211650199261,21cyclictest2341510-21apt-get10:50:133
211649599262,3cyclictest2218671-21apt-get08:50:132
2116495992620,3cyclictest2244508-21apt-get09:15:122
2116495992615,9cyclictest3777322-21systemd-journal07:35:002
211649599261,21cyclictest2280556-21apt-get09:50:112
211649599260,20cyclictest0-21swapper/211:35:112
211649199261,21cyclictest2311041-21apt-get10:20:101
211648999265,3cyclictest61650irq/133-enp0s29f1:rx-008:45:110
211650199251,21cyclictest2203464-21apt-get08:35:113
2116495992520,3cyclictest2443868-21apt-get12:30:122
2116495992515,8cyclictest2225134-21ps08:55:182
2116495992515,8cyclictest0-21swapper/210:34:592
211649599251,22cyclictest2398256-21apt-get11:45:142
211649599251,21cyclictest2157799-21apt-get07:50:132
211649599251,21cyclictest0-21swapper/210:35:132
211649599251,20cyclictest0-21swapper/211:55:112
211649599251,20cyclictest0-21swapper/210:05:102
211649599251,20cyclictest0-21swapper/207:35:122
211649199251,21cyclictest2250050-21apt-get09:20:111
211649199251,21cyclictest2193328-21apt-get08:25:111
211649199250,5cyclictest2366219-21sshd11:10:211
211649199250,22cyclictest2152733-21seq07:45:121
2116501992422,1cyclictest2249343-21cron09:20:003
211650199241,20cyclictest2351717-21apt-get11:00:123
211650199241,20cyclictest1-21systemd07:10:193
211650199240,3cyclictest2210743-21sed08:40:183
211650199240,21cyclictest2398758-21irqcore11:45:173
211650199240,21cyclictest2132411-21apt-get07:25:113
211649599242,2cyclictest2255169-21apt-get09:25:112
2116495992420,3cyclictest2341510-21apt-get10:50:122
2116495992420,2cyclictest2362324-21apt-get11:10:132
2116495992420,2cyclictest2167937-21apt-get08:00:132
211649599241,20cyclictest0-21swapper/209:00:132
211649599240,22cyclictest2126649-21apt-get07:20:002
211649599240,21cyclictest0-21swapper/211:25:112
211649599240,20cyclictest0-21swapper/208:30:132
211649599240,20cyclictest0-21swapper/208:30:132
211649599240,1cyclictest64-21kcompactd011:06:472
211649599240,1cyclictest64-21kcompactd011:06:462
2116491992421,2cyclictest516-21rs:main1
2116491992419,3cyclictest2286128-21ps09:55:181
211649199241,3cyclictest2137482-21apt-get07:30:131
211649199241,20cyclictest2346602-21apt-get10:55:131
211649199240,4cyclictest2418309-21munin-plugin-st12:05:011
211649199240,22cyclictest2321227-21chrt10:30:111
211649199240,20cyclictest0-21swapper/108:05:121
211648999242,2cyclictest2295809-21apt-get10:05:100
2116501992320,2cyclictest2178100-21apt-get08:10:153
2116501992319,2cyclictest2188260-21apt-get08:20:123
2116501992319,2cyclictest0-21swapper/310:55:133
211650199231,2cyclictest2284478-21ntpq09:50:213
211650199231,20cyclictest2321224-21apt-get10:30:123
211650199231,20cyclictest0-21swapper/309:30:143
211650199230,21cyclictest2310771-21latency_hist10:19:593
211650199230,20cyclictest0-21swapper/312:10:133
2116495992319,2cyclictest0-21swapper/208:20:122
2116495992318,4cyclictest0-21swapper/210:40:122
2116495992318,3cyclictest2414424-21ps12:00:202
2116495992318,3cyclictest2372444-21apt-get11:20:122
211649599231,2cyclictest2265348-21apt-get09:35:092
211649599231,21cyclictest0-21swapper/208:40:222
211649599231,20cyclictest0-21swapper/211:00:122
211649599231,20cyclictest0-21swapper/210:11:572
2116491992319,2cyclictest0-21swapper/111:05:131
2116491992319,2cyclictest0-21swapper/111:05:121
2116491992318,3cyclictest2121545-21munin-run07:15:011
211649199231,20cyclictest0-21swapper/108:55:131
211649199230,21cyclictest2178103-21taskset08:10:141
211649199230,21cyclictest0-21swapper/107:35:121
211649199230,20cyclictest0-21swapper/110:00:111
211648999232,2cyclictest2229258-21apt-get09:00:130
211648999231,2cyclictest2438824-21apt-get12:25:120
211648999231,2cyclictest2183166-21apt-get08:15:120
211648999230,21cyclictest0-21swapper/011:15:140
211648999230,21cyclictest0-21swapper/011:15:130
2116501992219,1cyclictest0-21swapper/311:40:133
211650199220,2cyclictest0-21swapper/311:15:143
211650199220,2cyclictest0-21swapper/311:15:143
211650199220,20cyclictest0-21swapper/311:55:123
211650199220,20cyclictest0-21swapper/308:05:123
211650199220,19cyclictest0-21swapper/312:30:123
211650199220,19cyclictest0-21swapper/310:05:113
2116495992219,2cyclictest0-21swapper/212:20:222
2116495992219,1cyclictest0-21swapper/208:25:112
2116495992218,2cyclictest0-21swapper/209:40:132
211649599220,21cyclictest0-21swapper/209:31:372
2116491992219,2cyclictest509-21systemd-logind12:15:001
2116491992219,1cyclictest0-21swapper/111:30:131
2116491992217,3cyclictest2305714-21cron10:15:001
2116491992217,3cyclictest2148136-21ps07:40:171
211649199221,2cyclictest2397608-21systemd-run11:45:001
211649199221,2cyclictest0-21swapper/111:45:141
211649199221,2cyclictest0-21swapper/111:15:141
211649199221,2cyclictest0-21swapper/111:15:131
211649199221,20cyclictest0-21swapper/108:50:231
211649199221,1cyclictest2239422-21apt-get09:10:151
211649199220,19cyclictest2433756-21apt-get12:20:141
2116489992219,2cyclictest0-21swapper/008:25:120
211648999221,20cyclictest64-21kcompactd011:59:270
211648999220,2cyclictest2236558-21ps09:05:180
211648999220,2cyclictest2182888-21cron08:15:000
211648999220,19cyclictest0-21swapper/009:55:140
2116501992119,2cyclictest0-21swapper/309:45:133
2116501992119,1cyclictest0-21swapper/310:35:153
2116501992119,1cyclictest0-21swapper/309:55:133
2116501992118,2cyclictest64-21kcompactd007:49:373
2116501992118,2cyclictest2137979-21ps07:30:183
2116501992118,2cyclictest0-21swapper/311:10:133
2116501992118,1cyclictest2356807-21apt-get11:05:133
2116501992118,1cyclictest2356807-21apt-get11:05:133
2116501992118,1cyclictest0-21swapper/309:00:133
2116501992117,2cyclictest2439314-21sort12:25:163
2116501992117,2cyclictest0-21swapper/308:00:123
211650199211,19cyclictest0-21swapper/311:35:113
211650199210,20cyclictest0-21swapper/312:23:393
211650199210,20cyclictest0-21swapper/311:50:223
211650199210,20cyclictest0-21swapper/311:29:223
211650199210,19cyclictest0-21swapper/309:05:133
211650199210,18cyclictest0-21swapper/309:40:123
2116495992119,1cyclictest0-21swapper/212:25:122
2116495992118,2cyclictest0-21swapper/210:26:282
2116495992118,1cyclictest0-21swapper/210:45:122
2116495992117,2cyclictest0-21swapper/208:10:142
2116495992116,3cyclictest2428684-21apt-get12:15:132
2116491992119,1cyclictest64-21kcompactd007:25:571
2116491992119,1cyclictest0-21swapper/112:25:121
2116491992119,1cyclictest0-21swapper/111:00:521
2116491992119,1cyclictest0-21swapper/109:35:101
2116491992119,1cyclictest0-21swapper/109:05:121
2116491992118,2cyclictest2275215-21cron09:45:011
2116491992118,2cyclictest2218391-21cron08:50:001
2116491992118,2cyclictest0-21swapper/111:26:401
2116491992118,1cyclictest0-21swapper/112:05:121
2116491992115,4cyclictest2295812-21chrt10:05:101
211649199211,1cyclictest0-21swapper/110:15:131
211649199210,2cyclictest0-21swapper/107:20:121
211649199210,20cyclictest64-21kcompactd011:22:541
211649199210,20cyclictest0-21swapper/107:15:101
211649199210,1cyclictest0-21swapper/108:40:121
2116489992119,1cyclictest0-21swapper/012:10:130
2116489992119,1cyclictest0-21swapper/008:05:120
2116489992118,2cyclictest64-21kcompactd010:04:570
2116489992118,1cyclictest2147641-21apt-get07:40:120
211648999210,2cyclictest1-21systemd07:20:000
211648999210,20cyclictest2405544-21ps11:50:180
211648999210,20cyclictest2168420-21ps08:00:170
211648999210,20cyclictest211rcuc/008:55:040
211648999210,20cyclictest0-21swapper/007:25:110
211648999210,1cyclictest0-21swapper/011:00:130
211648999210,19cyclictest2281056-21ps09:50:150
211648999210,19cyclictest0-21swapper/009:30:130
2116501992019,1cyclictest64-21kcompactd012:37:063
2116501992018,1cyclictest64-21kcompactd012:19:543
2116501992018,1cyclictest64-21kcompactd010:24:513
2116501992018,1cyclictest0-21swapper/307:20:113
2116501992017,2cyclictest64-21kcompactd009:26:153
211650199200,1cyclictest0-21swapper/310:10:123
211650199200,1cyclictest0-21swapper/308:25:133
211650199200,19cyclictest0-21swapper/310:42:043
211650199200,19cyclictest0-21swapper/308:55:033
2116495992017,1cyclictest0-21swapper/208:15:122
211649599200,1cyclictest0-21swapper/212:35:232
2116491992018,1cyclictest0-21swapper/111:50:201
2116491992018,1cyclictest0-21swapper/109:25:121
2116491992018,1cyclictest0-21swapper/107:53:551
2116491992017,2cyclictest2281048-21irqcore09:50:151
2116491992017,2cyclictest0-21swapper/108:35:101
2116491992016,2cyclictest2167680-21munin-run08:00:001
2116491992016,2cyclictest0-21swapper/112:15:131
211649199200,19cyclictest2187984-21cron08:20:001
211649199200,19cyclictest0-21swapper/111:55:151
211649199200,19cyclictest0-21swapper/110:40:271
2116489992019,1cyclictest0-21swapper/011:40:380
2116489992018,1cyclictest2443868-21apt-get12:30:120
2116489992018,1cyclictest2387649-21apt-get11:35:120
2116489992018,1cyclictest0-21swapper/008:20:120
2116489992018,1cyclictest0-21swapper/007:45:120
2116489992018,1cyclictest0-21swapper/007:35:110
2116489992017,2cyclictest2127343-21apt-get07:20:110
2116489992017,1cyclictest0-21swapper/009:45:040
211648999200,1cyclictest64-21kcompactd012:01:370
211648999200,1cyclictest0-21swapper/010:40:220
211648999200,1cyclictest0-21swapper/008:50:140
211648999200,19cyclictest2119202-21kthreadcore07:10:190
211648999200,19cyclictest0-21swapper/011:20:130
211648999200,19cyclictest0-21swapper/011:10:130
211648999200,19cyclictest0-21swapper/010:55:140
211648999200,19cyclictest0-21swapper/010:54:570
211648999200,19cyclictest0-21swapper/010:30:120
211648999200,19cyclictest0-21swapper/010:20:100
211648999200,18cyclictest2398756-21grep11:45:170
2116501991917,1cyclictest2269685-21sshd09:35:233
2116501991917,1cyclictest0-21swapper/310:25:173
2116501991917,1cyclictest0-21swapper/308:30:143
2116501991917,1cyclictest0-21swapper/308:30:143
2116501991917,1cyclictest0-21swapper/308:15:123
2116501991917,1cyclictest0-21swapper/307:41:003
2116501991916,2cyclictest2167658-21cron08:00:003
2116501991916,1cyclictest0-21swapper/310:00:113
2116501991915,2cyclictest0-21swapper/309:20:033
211650199190,1cyclictest0-21swapper/307:20:003
211649599199,7cyclictest2163349-21irqcore07:55:162
211649599198,10cyclictest2347028-21awk10:55:172
2116495991914,3cyclictest2239905-21ps09:10:182
2116491991916,2cyclictest2203190-21idleruntime-cro08:35:001
2116491991916,2cyclictest2203190-21idleruntime-cro08:35:001
2116491991915,3cyclictest2244446-21sshd09:15:011
211649199190,1cyclictest0-21swapper/112:35:131
211649199190,1cyclictest0-21swapper/111:35:121
211649199190,18cyclictest0-21swapper/109:30:121
211649199190,18cyclictest0-21swapper/108:20:121
2116489991917,1cyclictest64-21kcompactd010:18:560
2116489991917,1cyclictest0-21swapper/010:45:120
2116489991917,1cyclictest0-21swapper/009:40:130
2116489991917,1cyclictest0-21swapper/009:10:150
2116489991915,2cyclictest2198400-21apt-get08:30:140
2116489991915,2cyclictest2198400-21apt-get08:30:140
2116489991915,2cyclictest2137984-21grep07:30:180
211648999190,1cyclictest2210740-21ps08:40:190
211648999190,1cyclictest0-21swapper/011:30:590
211648999190,1cyclictest0-21swapper/011:05:110
211648999190,1cyclictest0-21swapper/011:05:100
211648999190,1cyclictest0-21swapper/009:15:210
211648999190,1cyclictest0-21swapper/008:35:100
211648999190,19cyclictest0-21swapper/008:00:000
2116501991816,1cyclictest0-21swapper/311:30:123
2116501991816,1cyclictest0-21swapper/311:20:123
2116501991815,2cyclictest0-21swapper/308:50:143
211649599182,3cyclictest0-21swapper/212:15:002
2116495991815,2cyclictest0-21swapper/211:19:092
2116495991815,2cyclictest0-21swapper/211:19:082
2116491991817,1cyclictest0-21swapper/110:50:171
2116491991815,2cyclictest64-21kcompactd010:39:541
2116491991814,2cyclictest2336440-21apt-get10:45:121
2116489991816,1cyclictest0-21swapper/012:24:440
2116489991816,1cyclictest0-21swapper/010:35:140
2116489991815,2cyclictest2316625-21tr10:25:180
2116489991815,2cyclictest0-21swapper/012:35:130
2116501991715,1cyclictest64-21kcompactd010:49:023
2116501991714,1cyclictest0-21swapper/309:10:143
2116495991714,2cyclictest2153683-21sort07:45:182
211649599171,3cyclictest2208254-21sh08:40:002
2116489991715,1cyclictest0-21swapper/012:19:540
2116489991713,3cyclictest2259585-21unixbench_singl09:25:250
2116489991711,4cyclictest0-21swapper/009:25:000
2116501991614,1cyclictest0-21swapper/308:47:083
2116501991613,2cyclictest2162594-21idleruntime-cro07:55:003
211649599161,5cyclictest2311378-21gltestperf10:20:132
211649599160,5cyclictest2127829-21grep07:20:162
2116491991611,4cyclictest2447846-21ntpq12:30:221
2116489991614,1cyclictest2300903-21apt-get10:10:140
2116489991613,2cyclictest61650irq/133-enp0s29f1:rx-011:25:230
2116489991612,3cyclictest2418641-21tr12:05:130
2116491991511,3cyclictest2279878-21unixbench_singl09:45:261
211649599140,5cyclictest2116498-21latency_hist07:10:012
2116489991412,1cyclictest2265656-21gltestperf09:35:120
2116501991310,2cyclictest0-21swapper/312:05:013
2116491991311,1cyclictest0-21swapper/109:00:141
211650199110,1cyclictest191rcu_preempt12:05:123
211648999111,2cyclictest2116392-21latency_hist07:10:010
211648999110,10cyclictest2161729-21ntpq07:50:210
21164919980,2cyclictest191rcu_preempt07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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