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2026-01-03 - 14:04
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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 highest latencies:
System rackeslot4.osadl.org (updated Sat Jan 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2141247993330,2cyclictest3192189-21kworker/1:0+pm21:42:421
2141245993317,2cyclictest261-21systemd-journal00:15:000
2141254993229,2cyclictest2299121-21fwupd21:42:413
214125499310,21cyclictest2310630-21tr21:55:153
2141245993117,2cyclictest2268121-21basename21:15:000
2141245993028,1cyclictest0-21swapper/000:15:180
2141245993018,10cyclictest2258711-21grep21:05:190
214124599291,2cyclictest0-21swapper/022:25:120
214124599291,27cyclictest0-21swapper/022:55:120
214124599291,27cyclictest0-21swapper/022:55:120
214125499282,1cyclictest2340945-21apt-get22:25:113
214125499280,2cyclictest2170713-21seq19:35:213
214125499270,19cyclictest2437916-21apt-get00:00:133
2141245992718,2cyclictest0-21swapper/000:25:100
2141245992717,2cyclictest22934242sleep021:35:220
2141245992717,2cyclictest2171588-21latency_hist19:40:000
214125199262,20cyclictest2222413-21apt-get20:30:142
214124799262,22cyclictest2232938-21apt-get20:40:101
2141247992619,5cyclictest2412995-21irqcore23:35:171
2141245992620,3cyclictest2294501-21apt-get21:40:100
2141245992614,2cyclictest2233427-21sort20:40:140
214124599260,2cyclictest0-21swapper/023:55:110
214124599260,19cyclictest0-21swapper/023:35:210
214125499250,1cyclictest0-21swapper/320:40:103
2141251992519,4cyclictest2212772-21cut20:20:172
214125199251,21cyclictest2442967-21apt-get00:05:112
214125199251,21cyclictest2315198-21apt-get22:00:132
214125199251,21cyclictest0-21swapper/223:35:122
214124799252,2cyclictest2427780-21apt-get23:50:111
214124799252,21cyclictest2227466-21apt-get20:35:141
214124599252,21cyclictest2407001-21apt-get23:30:130
2141245992519,5cyclictest0-21swapper/019:30:120
2141245992518,6cyclictest0-21swapper/021:25:120
2141245992518,6cyclictest0-21swapper/019:15:220
2141245992517,1cyclictest0-21swapper/022:35:220
2141254992422,1cyclictest0-21swapper/323:05:163
214125499241,20cyclictest2473704-21apt-get00:35:123
214125499241,20cyclictest2217336-21apt-get20:25:133
214125499241,20cyclictest0-21swapper/322:20:133
214125499241,1cyclictest2278899-21apt-get21:25:123
2141254992410,13cyclictest261-21systemd-journal00:27:403
2141254992410,12cyclictest2222478-21cpuspeed_turbos20:30:153
214125499240,20cyclictest0-21swapper/320:20:133
2141251992420,3cyclictest2411834-21gpgv23:35:012
214125199241,3cyclictest2477605-21ntpq00:35:202
214125199241,20cyclictest2448022-21apt-get00:10:132
214125199241,20cyclictest0-21swapper/222:50:112
214125199240,5cyclictest2243053-21taskset20:50:132
214125199240,4cyclictest2392256-21grep23:15:182
214124799242,2cyclictest2422658-21apt-get23:45:131
2141247992422,1cyclictest0-21swapper/119:40:001
214124799242,20cyclictest2212282-21apt-get20:20:131
214124599242,2cyclictest2391770-21apt-get23:15:140
214124599242,2cyclictest2248125-21apt-get20:55:120
2141245992419,3cyclictest2273151-21cron21:20:010
2141245992418,4cyclictest2182418-21ps19:50:180
2141254992319,2cyclictest0-21swapper/300:25:003
214125499231,19cyclictest2346062-21taskset22:30:123
214125499230,22cyclictest2304809-21turbostat21:49:593
214125499230,20cyclictest0-21swapper/319:45:143
214125199231,2cyclictest2335877-21apt-get22:20:132
214125199230,3cyclictest2288905-21cat21:35:012
214125199230,20cyclictest0-21swapper/223:40:112
214124799232,20cyclictest2197118-21apt-get20:05:121
2141247992320,2cyclictest2381608-21apt-get23:05:121
2141247992320,2cyclictest2376562-21apt-get23:00:131
2141247992320,2cyclictest2350886-21latency_hist22:35:001
2141247992316,1cyclictest191rcu_preempt23:55:101
214124799231,2cyclictest2315198-21apt-get22:00:121
214124799231,2cyclictest2171849-21apt-get19:40:111
214124799231,21cyclictest2417561-21apt-get23:40:101
214124799230,21cyclictest2463061-21dpkg00:24:591
214124799230,21cyclictest2361108-21idleruntime-cro22:45:001
2141245992318,4cyclictest0-21swapper/023:25:120
214124599230,2cyclictest702-21runrttasks19:10:120
2141254992218,3cyclictest0-21swapper/320:15:153
2141254992218,2cyclictest0-21swapper/321:20:123
2141254992213,7cyclictest2268115-21idleruntime-cro21:15:003
2141254992212,8cyclictest0-21swapper/322:00:153
214125499221,20cyclictest2309042-21ntpq21:50:223
2141254992211,10cyclictest0-21swapper/323:30:013
2141254992210,2cyclictest2330121-21turbostat22:14:593
2141254992210,2cyclictest2191773-21sh20:00:003
2141254992210,10cyclictest2258714-21tr21:05:193
214125499220,2cyclictest2411810-21munin-run23:35:003
2141251992219,2cyclictest2391497-21awk23:15:012
2141251992219,2cyclictest2151370-21idleruntime-cro19:20:002
2141251992219,2cyclictest0-21swapper/221:00:132
2141251992219,1cyclictest0-21swapper/222:40:122
2141251992218,2cyclictest2457033-21ntpq00:15:232
2141251992218,2cyclictest2206083-21ntpq20:10:232
2141251992218,2cyclictest2192041-21apt-get20:00:132
2141251992218,2cyclictest2156687-21apt-get19:25:102
2141251992218,2cyclictest0-21swapper/221:05:142
2141251992218,2cyclictest0-21swapper/219:30:122
2141251992217,3cyclictest391rcuc/221:45:002
214125199221,2cyclictest0-21swapper/220:45:122
214125199220,19cyclictest0-21swapper/219:50:142
2141247992219,2cyclictest2300015-21apt-get21:45:131
2141247992219,2cyclictest2151639-21apt-get19:20:141
2141247992219,2cyclictest0-21swapper/123:15:141
2141247992218,2cyclictest2351153-21apt-get22:35:121
2141247992218,2cyclictest2283952-21apt-get21:30:121
2141247992216,4cyclictest2361875-21ps22:45:151
214124799221,20cyclictest2273845-21apt-get21:20:121
214124799221,20cyclictest0-21swapper/122:05:131
214124799220,2cyclictest2263032-21cron21:10:001
214124799220,20cyclictest2456964-21ntpq00:15:221
2141245992219,2cyclictest2371262-21munin-run22:55:010
2141245992219,2cyclictest0-21swapper/019:40:220
2141245992218,2cyclictest2190953-21ntpq19:55:220
2141245992218,2cyclictest0-21swapper/020:20:130
2141245992217,3cyclictest2474187-21ps00:35:160
2141245992216,1cyclictest0-21swapper/000:30:170
2141245992216,1cyclictest0-21swapper/000:00:130
214124599221,20cyclictest2458139-21apt-get00:20:140
214124599221,20cyclictest1-21systemd20:40:000
214124599221,20cyclictest0-21swapper/022:30:100
214124599221,20cyclictest0-21swapper/020:10:140
214125499219,2cyclictest0-21swapper/300:15:163
2141254992119,1cyclictest0-21swapper/323:20:133
2141254992119,1cyclictest0-21swapper/319:15:133
2141254992111,9cyclictest0-21swapper/319:45:003
2141254992111,8cyclictest2437638-21cron00:00:013
214125499210,20cyclictest2469148-21irqcore00:30:213
214125499210,20cyclictest2232260-21/usr/sbin/munin20:40:003
214125499210,19cyclictest0-21swapper/322:35:123
214125499210,18cyclictest0-21swapper/323:45:133
214125199214,6cyclictest2294251-21basename21:40:002
2141251992119,1cyclictest0-21swapper/220:15:152
2141251992118,2cyclictest0-21swapper/219:40:112
2141251992117,2cyclictest2346059-21apt-get22:30:122
2141251992117,2cyclictest2166796-21apt-get19:35:122
2141251992116,3cyclictest2141458-21apt-get19:10:132
2141251992115,4cyclictest2278620-21cron21:25:002
214125199210,2cyclictest2263794-21ps21:10:152
214125199210,2cyclictest0-21swapper/221:45:042
214125199210,20cyclictest0-21swapper/223:20:222
2141247992119,1cyclictest0-21swapper/119:15:131
2141247992115,2cyclictest191rcu_preempt21:50:121
214124799211,1cyclictest0-21swapper/119:10:121
214124799210,3cyclictest2397364-21grep23:20:171
214124799210,2cyclictest2207723-21ps20:15:191
214124799210,20cyclictest2473441-21apt00:35:001
214124799210,20cyclictest0-21swapper/120:30:141
214124799210,20cyclictest0-21swapper/120:00:131
214124799210,1cyclictest2401955-21apt-get23:25:121
214124799210,1cyclictest2181935-21apt-get19:50:141
214124799210,1cyclictest0-21swapper/121:00:131
2141245992118,2cyclictest2334766-21ntpq22:15:210
2141245992118,2cyclictest0-21swapper/020:15:190
2141245992116,4cyclictest2418048-21grep23:40:150
214124599210,2cyclictest0-21swapper/023:10:100
214124599210,2cyclictest0-21swapper/020:30:140
214124599210,20cyclictest2338097-21ps22:20:190
214124599210,20cyclictest0-21swapper/023:45:130
214124599210,20cyclictest0-21swapper/021:20:120
214124599210,1cyclictest0-21swapper/021:30:110
214125499208,4cyclictest2452813-21sh00:15:013
2141254992018,1cyclictest0-21swapper/323:50:123
2141254992018,1cyclictest0-21swapper/323:15:123
2141254992018,1cyclictest0-21swapper/320:55:123
2141254992018,1cyclictest0-21swapper/320:10:133
2141254992018,1cyclictest0-21swapper/319:10:133
2141254992011,8cyclictest2166054-21unixbench_multi19:30:253
214125499200,1cyclictest0-21swapper/322:15:123
214125499200,1cyclictest0-21swapper/320:05:123
214125499200,1cyclictest0-21swapper/320:00:133
2141251992017,1cyclictest0-21swapper/222:15:122
2141251992016,2cyclictest2341427-21ps22:25:162
2141251992016,2cyclictest2197607-21tr20:05:172
2141251992015,3cyclictest2371518-21apt-get22:55:132
2141251992015,3cyclictest2371518-21apt-get22:55:122
2141251992013,5cyclictest2232278-21true20:40:002
214125199200,1cyclictest0-21swapper/222:10:092
214125199200,1cyclictest0-21swapper/220:40:142
214125199200,1cyclictest0-21swapper/219:20:142
214125199200,1cyclictest0-21swapper/200:20:112
2141247992018,1cyclictest0-21swapper/100:00:131
2141247992017,2cyclictest2336360-21ps22:20:171
2141247992016,2cyclictest261-21systemd-journal19:50:001
214124799200,1cyclictest0-21swapper/122:15:121
214124799200,1cyclictest0-21swapper/122:10:091
214124799200,1cyclictest0-21swapper/121:10:111
214124799200,1cyclictest0-21swapper/120:50:131
214124799200,1cyclictest0-21swapper/120:45:121
214124799200,1cyclictest0-21swapper/120:25:141
214124799200,1cyclictest0-21swapper/100:05:111
214124799200,19cyclictest0-21swapper/123:30:131
214124799200,19cyclictest0-21swapper/122:25:111
214124599200,1cyclictest0-21swapper/023:05:120
2141254991917,1cyclictest0-21swapper/321:15:123
2141254991917,1cyclictest0-21swapper/319:25:113
2141254991912,5cyclictest2416382-21ntpq23:35:213
2141254991911,6cyclictest2284436-21ps21:30:173
2141251991916,2cyclictest2382555-21kthreadcore23:05:172
2141251991916,2cyclictest0-21swapper/221:55:102
2141247991917,1cyclictest0-21swapper/122:55:121
2141247991917,1cyclictest0-21swapper/122:55:121
2141247991917,1cyclictest0-21swapper/121:55:111
2141247991917,1cyclictest0-21swapper/119:55:121
2141247991916,2cyclictest0-21swapper/100:35:111
2141245991918,1cyclictest0-21swapper/023:00:120
2141245991917,1cyclictest0-21swapper/022:45:100
2141245991917,1cyclictest0-21swapper/020:00:130
214125499187,1cyclictest0-21swapper/321:05:013
2141254991817,1cyclictest0-21swapper/319:50:183
2141254991816,1cyclictest0-21swapper/321:35:033
2141251991816,1cyclictest0-21swapper/222:35:122
214125199181,16cyclictest2304787-21turbostat.cron21:54:542
214125199180,18cyclictest0-21swapper/223:45:222
2141247991816,1cyclictest0-21swapper/120:10:131
2141247991815,2cyclictest2273539-21apt-key21:20:021
2141245991816,1cyclictest0-21swapper/019:25:110
2141245991815,2cyclictest0-21swapper/022:00:110
2141245991815,1cyclictest0-21swapper/020:50:130
214125499177,2cyclictest2324339-21switchtime22:05:243
2141254991715,1cyclictest0-21swapper/323:10:113
2141254991714,2cyclictest0-21swapper/320:50:003
2141254991710,6cyclictest491ktimers/322:50:193
2141251991714,2cyclictest2177377-21ps19:45:192
2141247991715,1cyclictest2467516-21ntpq00:25:191
2141247991715,1cyclictest0-21swapper/121:25:121
2141247991713,2cyclictest2289453-21apt-get21:35:121
2141245991715,1cyclictest0-21swapper/020:25:140
2141245991712,3cyclictest61650irq/133-enp0s29f1:rx-022:05:130
214124599171,14cyclictest2309863-21turbostat21:54:590
214125499169,5cyclictest261-21systemd-journal23:00:013
214125499169,5cyclictest261-21systemd-journal23:00:003
214125499167,2cyclictest2365472-21sensors_temp22:45:243
2141254991616,0cyclictest0-21swapper/323:00:113
2141254991612,2cyclictest0-21swapper/322:45:003
2141254991610,4cyclictest2247658-21sshd20:52:403
2141251991611,4cyclictest1-21systemd22:10:002
2141245991613,2cyclictest61650irq/133-enp0s29f1:rx-019:20:160
2141245991612,3cyclictest61650irq/133-enp0s29f1:rx-000:05:110
214124599161,13cyclictest22531312sleep021:00:140
214125499157,2cyclictest2155507-21gcc19:20:233
2141251991511,3cyclictest2405847-21ntp_kernel_pll_23:25:222
2141251991510,4cyclictest261-21systemd-journal21:26:402
2141247991513,1cyclictest0-21swapper/122:50:151
2141245991511,3cyclictest61650irq/133-enp0s29f1:rx-022:10:110
2141245991511,3cyclictest61650irq/133-enp0s29f1:rx-020:45:120
2141245991511,3cyclictest2396931-21cpuspeed_turbos23:20:140
2141254991411,2cyclictest2447759-21sh00:10:003
214125199148,4cyclictest2187124-21diskstats19:55:122
2141251991411,2cyclictest2467614-21proc_pri00:25:212
2141247991412,1cyclictest377-21hwrng23:14:381
2141247991412,1cyclictest0-21swapper/120:55:121
2141245991410,3cyclictest61650irq/133-enp0s29f1:rx-021:55:110
2141245991410,2cyclictest2177223-21gltestperf19:45:170
214125199130,4cyclictest2473570-21cat00:35:002
214124799131,2cyclictest2452827-21grep00:15:001
2141247991311,1cyclictest0-21swapper/119:25:181
214124599139,3cyclictest61650irq/133-enp0s29f1:rx-023:50:160
214124599138,4cyclictest261-21systemd-journal21:48:400
214124599136,5cyclictest2356394-21cut22:40:130
2141245991310,2cyclictest61650irq/133-enp0s29f1:rx-020:05:180
214125499128,2cyclictest0-21swapper/323:40:123
2141254991210,1cyclictest0-21swapper/319:10:013
214125199128,3cyclictest2141164-21latency_hist19:10:012
214125199128,2cyclictest0-21swapper/223:00:142
214124799128,3cyclictest32-21ksoftirqd/119:30:131
214125199118,2cyclictest2219569-21tr20:25:192
214125199117,2cyclictest0-21swapper/221:15:162
214125199115,4cyclictest2361758-21hddtemp_smartct22:45:152
214124799110,2cyclictest2141164-21latency_hist19:10:011
214124599117,2cyclictest0-21swapper/019:10:010
214125199105,4cyclictest2251270-21tr20:55:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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