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2026-08-24 - 23:25
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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 Mon Aug 24, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124472999290,18cyclictest1265365-21idleruntime-cro07:30:012
124472599261,5cyclictest1464574-21sshd10:40:191
124472999250,1cyclictest0-21swapper/208:45:002
124472599252,21cyclictest1307025-21apt-get08:10:141
124472599251,5cyclictest0-21swapper/111:05:171
124472599251,3cyclictest1301980-21apt-get08:05:131
124472599251,22cyclictest1558167-21apt-get12:15:121
1244731992420,2cyclictest1578445-21apt-get12:35:133
124473199241,20cyclictest1548055-21apt-get12:05:133
124473199240,4cyclictest1-21systemd08:49:593
124472599242,2cyclictest1409779-21apt-get09:50:131
1244725992421,2cyclictest0-21swapper/109:15:161
1244725992420,2cyclictest1497266-21apt-get11:15:131
124472599241,3cyclictest1542987-21apt-get12:00:141
124472599241,3cyclictest1542987-21apt-get12:00:131
124472599241,21cyclictest1496991-21sh11:14:591
124472599241,21cyclictest1404079-21cat09:45:001
124472599241,21cyclictest1332401-21cat08:34:591
124472599241,21cyclictest1291790-21apt-get07:55:121
124472599240,4cyclictest1266111-21irqcore07:30:141
124472599240,22cyclictest1286086-21dpkg07:50:001
124472299242,20cyclictest1363658-21apt-get09:05:120
124472299242,20cyclictest1255487-21apt-get07:20:130
1244731992320,2cyclictest1332724-21apt-get08:35:123
1244731992320,2cyclictest0-21swapper/307:50:013
1244731992319,2cyclictest1326095-21ntpq08:25:223
124473199231,2cyclictest1389006-21apt-get09:30:123
124473199231,20cyclictest1487062-21apt-get11:05:133
124473199230,22cyclictest1348106-21awk08:50:003
124473199230,21cyclictest1481552-21apt-key11:00:013
124473199230,20cyclictest0-21swapper/309:55:133
1244729992320,2cyclictest1275924-21idleruntime-cro07:40:012
1244729992319,1cyclictest1563214-21apt-get12:20:112
124472999230,21cyclictest1532783-21runrttasks11:50:122
124472599234,18cyclictest0-21swapper/110:30:231
1244725992320,2cyclictest311ktimers/109:40:001
1244725992320,2cyclictest1522611-21apt-get11:40:121
1244725992318,3cyclictest0-21swapper/110:25:121
124472599231,2cyclictest0-21swapper/109:25:121
124472599231,2cyclictest0-21swapper/109:25:121
124472599231,2cyclictest0-21swapper/109:20:111
124472599231,2cyclictest0-21swapper/109:05:121
124472599231,20cyclictest0-21swapper/112:20:111
124472599231,20cyclictest0-21swapper/107:50:101
124472599231,1cyclictest0-21swapper/111:30:121
124472599230,3cyclictest1333214-21irqcore08:35:161
124472299232,2cyclictest1342885-21apt-get08:45:130
1244722992320,2cyclictest1435515-21apt-get10:15:100
1244722992319,2cyclictest1537894-21apt-get11:55:130
1244722992319,2cyclictest1414870-21apt-get09:55:130
124472299231,20cyclictest1481991-21apt-get11:00:130
124472299231,20cyclictest1296628-21munin-run08:00:010
1244731992220,1cyclictest1399197-21apt-get09:40:133
1244731992219,1cyclictest0-21swapper/308:15:133
124473199221,2cyclictest3777322-21systemd-journal08:00:013
1244731992212,9cyclictest1522347-21turbostat11:44:563
124473199221,1cyclictest64-21kcompactd008:22:583
124473199221,1cyclictest1532778-21apt-get11:50:123
124473199220,2cyclictest1250934-21grep07:15:143
124473199220,19cyclictest0-21swapper/309:25:123
124473199220,19cyclictest0-21swapper/309:25:123
124473199220,19cyclictest0-21swapper/309:00:113
124472999229,3cyclictest191rcu_preempt07:40:162
124472999222,1cyclictest1512472-21apt-get11:30:112
1244729992219,2cyclictest1487552-21irqcore11:05:172
1244729992219,2cyclictest1346865-21ntpq08:45:222
1244729992219,2cyclictest1-21systemd07:35:002
124472999221,20cyclictest1281251-21apt-get07:45:122
124472999220,21cyclictest1502839-21runrttasks11:20:162
1244725992219,2cyclictest0-21swapper/111:35:121
1244725992219,1cyclictest0-21swapper/108:15:111
1244725992218,2cyclictest1568283-21apt-get12:25:121
1244725992218,2cyclictest1424674-21cron10:05:001
1244725992218,2cyclictest0-21swapper/107:10:131
1244725992217,1cyclictest191rcu_preempt08:40:171
124472599221,20cyclictest0-21swapper/111:50:121
124472599220,3cyclictest32-21ksoftirqd/110:20:121
124472599220,2cyclictest0-21swapper/112:32:561
124472599220,2cyclictest0-21swapper/107:37:481
124472599220,2cyclictest0-21swapper/107:20:121
124472599220,21cyclictest0-21swapper/110:10:121
124472599220,21cyclictest0-21swapper/109:00:121
124472599220,20cyclictest0-21swapper/112:35:131
124472599220,20cyclictest0-21swapper/112:05:121
124472599220,20cyclictest0-21swapper/111:25:121
124472599220,1cyclictest301rcuc/110:35:111
1244722992219,2cyclictest1358544-21apt-get09:00:120
124472299221,20cyclictest1383937-21apt-get09:25:120
124472299221,20cyclictest1383937-21apt-get09:25:120
124472299221,20cyclictest0-21swapper/010:30:130
124472299221,1cyclictest1244946-21apt-get07:10:130
124472299220,2cyclictest0-21swapper/008:10:130
124472299220,21cyclictest1558656-21sed12:15:170
124472299220,21cyclictest1389493-21sed09:30:160
124472299220,21cyclictest0-21swapper/012:05:130
124472299220,1cyclictest0-21swapper/011:50:120
124472299220,19cyclictest0-21swapper/012:04:280
124472299220,19cyclictest0-21swapper/012:04:270
1244731992119,1cyclictest64-21kcompactd011:25:443
1244731992119,1cyclictest0-21swapper/312:00:213
1244731992119,1cyclictest0-21swapper/312:00:213
1244731992118,2cyclictest64-21kcompactd012:12:303
124473199211,1cyclictest0-21swapper/311:10:143
124473199211,19cyclictest1435111-21cp10:15:023
124473199210,20cyclictest3777322-21systemd-journal09:55:003
124473199210,20cyclictest1528194-21ps11:45:153
124473199210,20cyclictest0-21swapper/310:45:123
124473199210,1cyclictest0-21swapper/309:15:113
124473199210,19cyclictest1337791-21apt-get08:40:123
124473199210,19cyclictest0-21swapper/312:20:113
124472999219,2cyclictest0-21swapper/210:05:232
1244729992119,1cyclictest0-21swapper/209:22:062
1244729992119,1cyclictest0-21swapper/209:00:112
1244729992119,1cyclictest0-21swapper/208:30:112
1244729992118,2cyclictest41-21ksoftirqd/207:25:012
1244729992118,2cyclictest0-21swapper/210:10:122
1244729992118,2cyclictest0-21swapper/209:30:122
124472999211,1cyclictest1-21systemd11:00:002
124472999211,19cyclictest41-21ksoftirqd/208:05:002
124472999210,20cyclictest0-21swapper/212:35:122
124472999210,1cyclictest1317164-21apt-get08:20:122
1244725992119,1cyclictest0-21swapper/111:55:511
1244725992119,1cyclictest0-21swapper/110:55:201
1244725992119,1cyclictest0-21swapper/108:55:121
1244725992119,1cyclictest0-21swapper/108:25:131
1244725992118,2cyclictest0-21swapper/109:45:131
124472599210,20cyclictest64-21kcompactd007:41:341
124472599210,20cyclictest32-21ksoftirqd/108:20:121
124472599210,1cyclictest0-21swapper/112:10:131
1244722992119,1cyclictest64-21kcompactd011:15:320
1244722992119,1cyclictest1373796-21apt-get09:15:120
124472299211,1cyclictest1527699-21apt-get11:45:110
124472299210,20cyclictest1573739-21gltestperf12:30:150
124472299210,20cyclictest1487059-21/usr/sbin/munin11:05:120
124472299210,20cyclictest0-21swapper/009:50:350
124472299210,20cyclictest0-21swapper/009:10:110
124472299210,1cyclictest1504556-21ps11:20:170
124472299210,1cyclictest0-21swapper/007:30:100
124472299210,19cyclictest1394094-21apt-get09:35:100
124472299210,19cyclictest0-21swapper/011:10:130
124472299210,19cyclictest0-21swapper/010:05:130
1244731992018,1cyclictest0-21swapper/307:42:063
1244731992018,1cyclictest0-21swapper/307:25:113
1244731992017,2cyclictest1405062-21gltestperf09:45:163
124473199200,1cyclictest0-21swapper/312:15:123
124473199200,1cyclictest0-21swapper/311:30:123
124473199200,1cyclictest0-21swapper/311:15:313
124473199200,1cyclictest0-21swapper/310:50:153
124473199200,1cyclictest0-21swapper/310:30:123
124473199200,1cyclictest0-21swapper/310:20:123
124473199200,1cyclictest0-21swapper/310:05:133
124473199200,1cyclictest0-21swapper/308:55:123
124473199200,19cyclictest64-21kcompactd007:24:543
124473199200,19cyclictest1502337-21apt-get11:20:123
124473199200,19cyclictest0-21swapper/310:40:143
124473199200,19cyclictest0-21swapper/310:15:103
124473199200,19cyclictest0-21swapper/308:10:133
1244729992019,1cyclictest0-21swapper/211:10:092
1244729992018,1cyclictest64-21kcompactd008:50:232
1244729992018,1cyclictest1470260-21modprobe10:45:202
1244729992018,1cyclictest0-21swapper/212:10:132
1244729992018,1cyclictest0-21swapper/210:30:122
1244729992018,1cyclictest0-21swapper/210:15:102
1244729992018,1cyclictest0-21swapper/209:55:122
1244729992018,1cyclictest0-21swapper/209:25:122
1244729992018,1cyclictest0-21swapper/209:25:122
1244729992017,2cyclictest1332028-21apt-get08:35:022
1244729992017,2cyclictest0-21swapper/212:25:122
1244729992016,2cyclictest1295699-21taskset07:55:202
124472999200,20cyclictest0-21swapper/207:51:472
124472999200,1cyclictest1523094-21ps11:40:172
124472999200,1cyclictest1466107-21ls10:45:002
124472999200,1cyclictest0-21swapper/212:00:142
124472999200,1cyclictest0-21swapper/212:00:132
124472999200,1cyclictest0-21swapper/210:35:202
124472999200,1cyclictest0-21swapper/208:56:172
124472999200,19cyclictest64-21kcompactd008:16:302
124472999200,19cyclictest1311820-21sh08:15:012
124472999200,19cyclictest0-21swapper/211:55:132
124472999200,19cyclictest0-21swapper/211:15:122
124472999200,19cyclictest0-21swapper/207:17:542
1244725992017,2cyclictest1466383-21apt-get10:45:121
1244725992017,2cyclictest0-21swapper/109:55:131
1244725992016,1cyclictest191rcu_preempt10:05:181
1244725992015,1cyclictest191rcu_preempt11:46:161
1244725992014,1cyclictest191rcu_preempt09:10:151
124472599200,1cyclictest1437755-21ps10:15:151
1244722992018,1cyclictest0-21swapper/010:40:000
1244722992018,1cyclictest0-21swapper/008:30:120
1244722992018,1cyclictest0-21swapper/007:39:250
1244722992017,2cyclictest1312094-21apt-get08:15:130
1244722992016,2cyclictest1440609-21apt-get10:20:120
124472299200,1cyclictest1424683-21latency_hist10:05:000
124472299200,1cyclictest0-21swapper/012:25:120
124472299200,1cyclictest0-21swapper/008:20:110
124472299200,1cyclictest0-21swapper/007:45:110
124472299200,19cyclictest1471146-21cron10:50:010
124472299200,19cyclictest0-21swapper/008:40:110
124472299200,19cyclictest0-21swapper/007:15:090
1244731991917,1cyclictest1461035-21apt-config10:40:013
1244731991917,1cyclictest1364153-21ps09:05:163
1244731991917,1cyclictest0-21swapper/312:25:213
1244731991917,1cyclictest0-21swapper/311:04:143
1244731991917,1cyclictest0-21swapper/310:04:343
1244731991917,1cyclictest0-21swapper/308:08:593
1244731991916,2cyclictest506-21gpm10:25:193
124473199190,18cyclictest1269544-21ntpq07:30:203
124473199190,0cyclictest0-21swapper/307:39:253
124472999190,1cyclictest0-21swapper/212:15:122
124472999190,19cyclictest0-21swapper/209:43:362
124472999190,0cyclictest0-21swapper/211:35:122
1244725991916,2cyclictest1261506-21kthreadcore07:25:181
1244725991915,1cyclictest191rcu_preempt11:01:521
1244722991918,1cyclictest0-21swapper/008:51:270
1244722991917,1cyclictest1332466-21base6408:35:000
1244722991917,1cyclictest0-21swapper/012:20:110
1244722991917,1cyclictest0-21swapper/010:55:120
1244722991915,3cyclictest1522329-21cron11:40:000
124472299190,18cyclictest1516379-21ntpq11:30:210
124472299190,18cyclictest0-21swapper/011:45:000
124472299190,18cyclictest0-21swapper/009:45:450
124473199180,17cyclictest1522332-21sh11:40:003
1244729991817,1cyclictest64-21kcompactd008:26:112
1244729991817,1cyclictest0-21swapper/209:45:132
124472999180,1cyclictest0-21swapper/210:25:152
1244725991816,1cyclictest0-21swapper/110:50:161
1244722991816,1cyclictest0-21swapper/008:25:220
1244722991815,2cyclictest0-21swapper/012:12:310
1244731991715,1cyclictest1327254-21apt-get08:30:113
1244731991715,1cyclictest0-21swapper/309:35:093
1244731991714,1cyclictest0-21swapper/311:55:143
1244731991712,4cyclictest1383658-21idleruntime-cro09:25:003
124472999178,1cyclictest0-21swapper/209:55:002
1244729991715,1cyclictest0-21swapper/211:25:122
1244729991715,1cyclictest0-21swapper/209:15:122
1244729991715,1cyclictest0-21swapper/209:06:302
124472599174,3cyclictest32-21ksoftirqd/111:25:001
1244725991714,2cyclictest301rcuc/108:50:191
1244725991712,3cyclictest1250933-21irqcore07:15:131
124472599170,6cyclictest13916372cut09:30:181
124472599170,5cyclictest1346924-21ps08:45:241
1244722991716,1cyclictest0-21swapper/011:25:440
1244722991715,1cyclictest1280087-21ntpq07:40:190
1244731991614,1cyclictest1373512-21idleruntime-cro09:15:003
124472999164,2cyclictest1244717-21cyclictest09:10:142
124472999162,3cyclictest1423971-21/usr/sbin/munin10:00:252
1244729991614,1cyclictest0-21swapper/207:10:132
124472999160,16cyclictest0-21swapper/212:30:242
124472299169,5cyclictest1461470-21df_inode10:40:140
1244722991614,1cyclictest64-21kcompactd008:08:590
1244722991614,1cyclictest1261502-21ps07:25:180
1244722991613,2cyclictest61650irq/133-enp0s29f1:rx-012:35:160
1244722991613,2cyclictest1445730-21cpuspeed_turbos10:25:130
1244731991514,1cyclictest0-21swapper/307:10:163
124472999156,2cyclictest191rcu_preempt11:00:192
1244729991513,1cyclictest0-21swapper/212:05:312
1244729991511,3cyclictest1306335-21unixbench_singl08:05:262
1244722991512,2cyclictest61650irq/133-enp0s29f1:rx-008:55:130
124472999140,3cyclictest1473646-21ps10:50:162
124472999140,2cyclictest0-21swapper/210:20:132
124472599140,3cyclictest1297170-21perl08:00:151
1244722991412,1cyclictest1471427-21apt-get10:50:100
1244722991412,1cyclictest1296889-21apt-get08:00:120
1244722991411,2cyclictest1288328-21kthreadcore07:50:150
1244722991410,3cyclictest61650irq/133-enp0s29f1:rx-009:20:110
1244731991311,1cyclictest0-21swapper/307:50:013
124472999136,2cyclictest191rcu_preempt09:40:002
124472999130,4cyclictest1528192-21irqcore11:45:152
1244722991311,1cyclictest1434834-21apt-get10:15:000
1244722991310,2cyclictest0-21swapper/009:45:000
1244731991210,1cyclictest0-21swapper/308:00:123
124473199120,4cyclictest1573534-21cpuspeed_turbos12:30:133
124472599119,1cyclictest301rcuc/107:10:011
124473199100,9cyclictest1244775-21cat07:10:013
124472999108,1cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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