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2026-05-03 - 11:23
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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 all highest latencies:
System rackeslot4.osadl.org (updated Sun May 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3016952994642,2cyclictest3037452-21fwupd19:27:551
301695599326,18cyclictest3339152-21latency_hist00:25:002
3016955993225,5cyclictest3226731-21latency_hist22:35:002
301695599308,2cyclictest261-21systemd-journal19:55:002
301695599307,20cyclictest3104680-21taskset20:35:122
3016960992919,2cyclictest191rcu_preempt00:00:003
3016955992926,1cyclictest3252719-21sh23:00:012
3016955992925,3cyclictest3196985-21grep22:05:172
3016955992925,3cyclictest3196985-21grep22:05:162
3016952992826,1cyclictest3053526-21latency_hist19:45:001
301695099281,2cyclictest0-21swapper/023:10:130
301695299270,2cyclictest3309100-21apt-get23:55:131
3016950992721,3cyclictest3299033-21apt-get23:45:110
3016950992721,3cyclictest3196483-21apt-get22:05:110
3016950992721,3cyclictest3196483-21apt-get22:05:110
301695599264,7cyclictest3104510-21latency_hist20:35:002
3016955992624,1cyclictest3053379-21apt-config19:45:002
301695599261,21cyclictest3299033-21apt-get23:45:112
301695599260,23cyclictest3216688-21taskset22:25:112
301695299262,20cyclictest3278695-21apt-get23:25:101
301695099262,22cyclictest3135123-21apt-get21:05:120
3016960992521,2cyclictest3109767-21apt-get20:40:113
301695599258,6cyclictest3195230-21grep22:00:192
301695599257,7cyclictest3290006-21cut23:35:172
301695599257,6cyclictest3277096-21grep23:20:182
301695599256,8cyclictest3231465-21timerandwakeup22:35:242
301695599256,7cyclictest3152427-21kthreadcore21:20:152
301695599256,7cyclictest3091876-21grep20:20:162
301695599256,6cyclictest3082501-21grep20:10:172
301695599255,7cyclictest3348810-21unixbench-2d00:30:252
3016955992519,4cyclictest3058756-21munin-run19:50:002
301695599251,20cyclictest3329325-21apt-get00:15:132
301695599251,20cyclictest0-21swapper/219:35:152
301695599250,22cyclictest3319242-21taskset00:05:112
3016950992518,5cyclictest3166599-21cut21:35:170
3016950992517,6cyclictest3237523-21cron22:45:010
301695099251,22cyclictest3155927-21apt-get21:25:120
301695099251,22cyclictest3155649-21idleruntime-cro21:24:590
301695099251,21cyclictest3084343-21apt-get20:15:100
301695099251,21cyclictest0-21swapper/020:30:120
3016960992420,2cyclictest3227290-21apt-get22:35:133
3016960992420,2cyclictest3094531-21apt-get20:25:093
3016960992420,2cyclictest3027762-21apt-get19:20:133
301696099240,22cyclictest3314644-21irqcore00:00:163
301695599246,7cyclictest3072979-21grep20:00:192
301695599246,6cyclictest3325402-21cut00:10:172
301695599246,5cyclictest3120769-21irqcore20:50:162
301695599245,7cyclictest3304636-21irqcore23:50:172
301695599245,7cyclictest3141049-21cut21:10:162
301695599245,5cyclictest3166061-21latency_hist21:35:002
301695599245,3cyclictest0-21swapper/200:40:002
301695599245,3cyclictest0-21swapper/200:39:592
301695599244,7cyclictest3281099-21cut23:25:162
301695599243,20cyclictest0-21swapper/220:30:012
3016955992421,2cyclictest0-21swapper/219:20:022
3016955992420,2cyclictest3237801-21apt-get22:45:112
3016955992419,3cyclictest0-21swapper/222:45:012
301695599241,20cyclictest3293956-21apt-get23:40:112
301695599241,20cyclictest0-21swapper/223:55:132
301695599241,20cyclictest0-21swapper/222:15:122
301695599241,19cyclictest3176239-21apt-get21:45:112
301695599240,21cyclictest0-21swapper/219:15:132
301695599240,20cyclictest0-21swapper/221:50:122
301695299241,21cyclictest3059015-21apt-get19:50:111
301695299241,20cyclictest3037911-21apt-get19:30:121
3016950992419,3cyclictest3191449-21apt-get22:00:120
3016950992419,3cyclictest3176239-21apt-get21:45:120
3016950992419,3cyclictest0-21swapper/000:00:120
3016950992418,4cyclictest3053240-21cron19:45:010
3016950992417,5cyclictest3238301-21grep22:45:150
301695099241,3cyclictest3283798-21apt-get23:30:110
301695099241,3cyclictest3130076-21apt-get21:00:130
301695099241,2cyclictest3104677-21apt-get20:35:120
301695099241,22cyclictest3344980-21ps00:30:160
301695099241,21cyclictest3268580-21apt-get23:15:110
301695099241,21cyclictest3248199-21fw_conntrack22:55:150
301695099241,21cyclictest3181319-21apt-get21:50:130
301695099241,20cyclictest3171204-21apt-get21:40:120
301695099241,20cyclictest3079272-21apt-get20:10:120
301695099241,20cyclictest0-21swapper/020:05:120
3016960992320,2cyclictest0-21swapper/323:25:153
301696099231,2cyclictest3288878-21apt-get23:35:123
301696099231,2cyclictest3201539-21apt-get22:10:113
301696099231,2cyclictest3165832-21apt21:34:593
301696099231,2cyclictest3043427-21apt-get19:35:133
301696099231,20cyclictest0-21swapper/321:15:123
301696099230,21cyclictest3027098-21gpgv19:20:003
301695599236,5cyclictest3319027-21sed00:05:002
301695599236,5cyclictest3284064-21fschecks_time23:30:132
301695599236,5cyclictest3076479-21cut20:05:172
301695599235,6cyclictest3162427-21grep21:30:162
301695599235,5cyclictest3201513-21/usr/sbin/munin22:10:152
301695599235,5cyclictest3135879-21sed21:05:162
301695599234,7cyclictest3246213-21kthreadcore22:50:172
3016955992319,3cyclictest0-21swapper/219:25:192
301695599231,20cyclictest3216409-21awk22:25:012
301695599230,19cyclictest0-21swapper/220:45:122
301695299232,20cyclictest3242857-21apt-get22:50:111
301695299232,1cyclictest3319239-21apt-get00:05:111
3016952992319,2cyclictest3314160-21apt-get00:00:121
3016952992319,2cyclictest3145314-21apt-get21:15:121
301695299231,20cyclictest3140219-21apt-get21:10:121
3016950992319,2cyclictest0-21swapper/019:25:120
3016950992318,3cyclictest3339907-21grep00:25:170
301695099231,2cyclictest0-21swapper/021:15:130
301695099231,2cyclictest0-21swapper/020:45:120
301695099231,2cyclictest0-21swapper/020:00:110
301695099231,20cyclictest0-21swapper/023:20:100
301695099231,20cyclictest0-21swapper/023:00:100
301695099231,20cyclictest0-21swapper/019:20:120
301695099230,3cyclictest3232461-21apt-config22:40:000
301695099230,3cyclictest3222249-21irqcore22:30:150
301695099230,21cyclictest3339135-21cron00:25:000
301695099230,21cyclictest3063804-21cron19:55:000
301696099229,3cyclictest191rcu_preempt21:10:143
3016960992220,1cyclictest0-21swapper/320:55:223
3016960992219,2cyclictest0-21swapper/320:05:133
3016960992218,2cyclictest3181803-21ps21:50:173
3016960992217,3cyclictest3171704-21grep21:40:163
301696099221,20cyclictest64-21kcompactd022:31:353
301696099221,19cyclictest0-21swapper/321:25:113
301696099220,1cyclictest3021975-21cron19:15:003
301695599226,5cyclictest3262592-21sed23:05:242
301695599225,7cyclictest3068189-21expr19:55:232
301695599224,6cyclictest3173409-21/usr/sbin/munin21:40:172
301695599223,8cyclictest3127027-21kthreadcore20:55:172
3016955992219,2cyclictest3084343-21apt-get20:15:102
3016952992219,2cyclictest4140023-21kworker/1:1-rcu_gp23:00:011
3016952992219,1cyclictest3139703-21apt-get21:07:301
3016952992218,3cyclictest3165833-21turbostat.cron21:34:591
3016952992217,2cyclictest3124959-21apt-get20:55:121
3016952992215,2cyclictest191rcu_preempt19:20:241
301695299221,1cyclictest3114818-21apt-get20:45:131
301695299221,1cyclictest3064086-21apt-get19:55:121
301695299221,19cyclictest0-21swapper/100:25:121
301695299220,20cyclictest3339160-21munin-run00:24:591
3016950992219,2cyclictest3216432-21sleep22:25:000
3016950992219,2cyclictest3022257-21apt-get19:15:120
3016950992219,2cyclictest0-21swapper/023:25:110
3016950992219,2cyclictest0-21swapper/021:10:120
3016950992219,2cyclictest0-21swapper/000:15:120
3016950992218,2cyclictest0-21swapper/021:55:130
3016950992218,2cyclictest0-21swapper/019:45:020
301695099221,2cyclictest0-21swapper/022:50:110
301695099221,20cyclictest3216685-21apt-get22:25:120
301695099221,20cyclictest0-21swapper/020:40:110
301695099221,1cyclictest0-21swapper/020:25:100
3016960992119,1cyclictest0-21swapper/319:45:133
3016960992119,1cyclictest0-21swapper/300:25:123
301696099210,20cyclictest0-21swapper/322:55:133
301696099210,20cyclictest0-21swapper/322:26:453
301696099210,1cyclictest0-21swapper/323:05:113
301696099210,1cyclictest0-21swapper/320:15:103
301695599216,5cyclictest3340854-21kthreadcore00:25:182
301695599216,5cyclictest3131322-21cut21:00:182
301695599215,5cyclictest3149321-21ntpq21:15:222
301695599214,5cyclictest3273417-21cat23:20:002
301695599213,6cyclictest3039789-21cut19:30:182
301695599212,6cyclictest3186572-21fschecks_count21:55:152
3016955992118,1cyclictest0-21swapper/223:00:092
301695599210,1cyclictest0-21swapper/220:40:102
3016952992119,1cyclictest0-21swapper/123:35:111
3016952992119,1cyclictest0-21swapper/122:05:121
3016952992119,1cyclictest0-21swapper/122:05:111
3016952992119,1cyclictest0-21swapper/121:38:541
3016952992119,1cyclictest0-21swapper/119:35:121
3016952992118,2cyclictest64-21kcompactd020:54:491
3016952992118,2cyclictest3256912-21ntpq23:00:181
3016952992118,2cyclictest0-21swapper/123:15:151
3016952992118,1cyclictest0-21swapper/122:00:121
3016952992117,3cyclictest3304068-21apt-get23:50:111
301695299210,20cyclictest3274103-21ps23:20:151
301695299210,20cyclictest0-21swapper/122:20:141
301695299210,20cyclictest0-21swapper/119:10:111
301695299210,1cyclictest0-21swapper/100:10:121
301695299210,19cyclictest3221765-21apt-get22:30:111
3016950992117,2cyclictest3129820-21cut21:00:000
301695099211,1cyclictest0-21swapper/019:30:120
301695099210,21cyclictest0-21swapper/019:39:330
301695099210,20cyclictest64-21kcompactd020:53:440
3016960992018,1cyclictest0-21swapper/322:45:113
3016960992018,1cyclictest0-21swapper/321:20:103
3016960992018,1cyclictest0-21swapper/320:35:123
3016960992018,1cyclictest0-21swapper/319:30:123
3016960992017,2cyclictest0-21swapper/320:30:123
3016960992017,2cyclictest0-21swapper/300:20:003
301696099200,1cyclictest0-21swapper/323:20:113
301696099200,1cyclictest0-21swapper/323:15:093
301696099200,1cyclictest0-21swapper/322:00:113
301696099200,1cyclictest0-21swapper/319:40:163
301696099200,1cyclictest0-21swapper/319:25:113
301696099200,19cyclictest0-21swapper/323:42:333
301696099200,19cyclictest0-21swapper/322:50:113
301696099200,19cyclictest0-21swapper/322:40:113
301696099200,19cyclictest0-21swapper/322:20:133
3016952992018,1cyclictest0-21swapper/121:00:131
3016952992018,1cyclictest0-21swapper/100:15:131
301695299200,20cyclictest64-21kcompactd022:11:101
301695299200,1cyclictest64-21kcompactd021:57:441
301695299200,1cyclictest0-21swapper/120:44:371
301695299200,19cyclictest0-21swapper/122:35:121
3016950992018,1cyclictest0-21swapper/020:20:140
3016950992016,2cyclictest3350126-21grep00:35:160
3016950992016,2cyclictest3350126-21grep00:35:160
3016950992015,3cyclictest0-21swapper/023:35:110
301695099200,19cyclictest3319724-21ps00:05:160
3016960991918,1cyclictest64-21kcompactd023:30:433
3016960991917,1cyclictest0-21swapper/322:15:133
3016960991917,1cyclictest0-21swapper/320:10:113
3016960991917,1cyclictest0-21swapper/300:20:133
301696099190,1cyclictest0-21swapper/321:00:123
301696099190,1cyclictest0-21swapper/300:05:123
301696099190,0cyclictest0-21swapper/323:52:143
301695599196,4cyclictest3018391-21cat19:10:162
301695599194,6cyclictest3264729-21grep23:10:182
3016955991917,1cyclictest0-21swapper/221:25:122
3016952991918,1cyclictest0-21swapper/121:25:121
3016952991917,1cyclictest32-21ksoftirqd/120:25:161
3016952991917,1cyclictest3084343-21apt-get20:15:101
3016952991917,1cyclictest0-21swapper/122:40:111
3016952991917,1cyclictest0-21swapper/120:20:101
3016952991912,2cyclictest191rcu_preempt23:35:001
301695299190,1cyclictest0-21swapper/121:20:181
301695299190,1cyclictest0-21swapper/120:01:361
301695299190,19cyclictest64-21kcompactd000:31:291
301695299190,0cyclictest0-21swapper/120:35:121
3016950991916,2cyclictest0-21swapper/023:58:090
3016950991916,1cyclictest0-21swapper/022:10:130
3016950991914,3cyclictest3211382-21cron22:20:000
3016960991818,0cyclictest0-21swapper/321:05:163
3016960991816,1cyclictest3201263-21idleruntime-cro22:10:003
3016960991816,1cyclictest3201263-21idleruntime-cro22:09:593
3016960991813,3cyclictest3252953-21sshd23:00:043
301696099180,1cyclictest0-21swapper/323:45:153
3016952991816,1cyclictest64-21kcompactd022:47:421
3016952991816,1cyclictest64-21kcompactd022:16:321
3016952991816,1cyclictest3027100-21systemd-run19:20:001
3016952991816,1cyclictest0-21swapper/123:05:111
3016952991815,2cyclictest3175010-21needreboot21:40:191
301695099180,1cyclictest0-21swapper/023:05:190
3016960991715,1cyclictest0-21swapper/319:50:213
301696099170,3cyclictest261-21systemd-journal20:50:003
301695299179,4cyclictest3176213-21/usr/sbin/munin21:45:231
301695299178,2cyclictest191rcu_preempt19:50:001
3016952991716,1cyclictest0-21swapper/123:45:471
3016952991713,2cyclictest3074225-21apt-get20:05:121
3016952991712,3cyclictest3185703-21grep21:50:251
3016950991715,1cyclictest0-21swapper/023:42:010
301696099160,5cyclictest3324271-21sort00:10:113
3016952991613,1cyclictest0-21swapper/123:42:331
3016950991612,3cyclictest61650irq/133-enp0s29f1:rx-023:50:130
301696099155,2cyclictest191rcu_preempt21:45:163
301696099152,1cyclictest191rcu_preempt21:55:213
301696099150,3cyclictest3094255-21cron20:25:013
3016952991512,2cyclictest3100101-21irqcore20:30:161
3016950991510,3cyclictest61650irq/133-enp0s29f1:rx-000:10:120
301696099149,3cyclictest3348492-21ntpq00:30:223
301696099143,2cyclictest191rcu_preempt19:55:143
3016960991412,1cyclictest0-21swapper/320:50:113
3016960991411,2cyclictest3349635-21apt-get00:35:123
3016960991411,2cyclictest3349635-21apt-get00:35:123
3016960991411,1cyclictest3073951-21awk20:05:003
301695299148,1cyclictest191rcu_preempt00:40:001
301695299148,1cyclictest191rcu_preempt00:39:591
3016952991411,2cyclictest3216660-21/usr/sbin/munin22:25:171
301695299140,6cyclictest3084081-21munin-run20:15:011
3016960991311,1cyclictest3266545-21kthreadcore23:10:193
301695299135,2cyclictest191rcu_preempt23:10:201
301695099139,3cyclictest61650irq/133-enp0s29f1:rx-019:10:110
3016950991310,2cyclictest61650irq/133-enp0s29f1:rx-021:30:130
3016960991210,1cyclictest3169980-21cut21:35:203
301695299104,5cyclictest18050irq/130-nvme0q219:10:001
301695099100,8cyclictest3016951-21cut19:10:000
30169609975,1cyclictest0-21swapper/319:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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