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2026-09-18 - 10:03
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackfslot7.osadl.org (updated Fri Sep 18, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166855199139110,29cyclictest0-21swapper/323:35:153
1668551999315,59cyclictest1844513-21ls00:29:593
1668551999012,39cyclictest1801495-21/usr/sbin/munin23:10:143
1668551997819,39cyclictest1752949-21/usr/sbin/munin21:40:223
1668551997517,39cyclictest1699190-21awk20:05:143
1668551997416,39cyclictest1838833-21http00:20:003
1668551997214,39cyclictest1698049-21sed20:00:243
1668551997214,19cyclictest0-21swapper/320:40:243
1668551997212,59cyclictest1831589-21cut00:05:163
1668551997111,59cyclictest1788256-21ntpq22:45:203
1668551997032,38cyclictest0-21swapper/323:04:583
1668551997031,20cyclictest1835064-21ntp_states00:10:243
1668551997012,39cyclictest1690555-21munin-run19:50:023
1668551996931,38cyclictest0-21swapper/322:41:263
1668551996931,19cyclictest1730122-21expr21:00:143
166854999580,39cyclictest34-21ksoftirqd/120:00:161
1668551995618,19cyclictest1841375-21awk00:20:253
1668551995517,19cyclictest1680851-21memory19:30:183
1668551995515,20cyclictest1736554-21/usr/sbin/munin21:10:223
1668551995515,20cyclictest1736554-21/usr/sbin/munin21:10:223
1668551995419,35cyclictest0-21swapper/319:27:423
1668551995415,39cyclictest1810207-21lpstat23:25:183
1668551995319,15cyclictest0-21swapper/322:32:543
1668551995318,35cyclictest0-21swapper/322:50:243
1668551995315,20cyclictest1825982-21cat23:55:143
1668551995315,19cyclictest0-21swapper/323:20:023
1668551995314,38cyclictest0-21swapper/321:18:023
1668551995314,19cyclictest0-21swapper/323:45:343
1668551995313,39cyclictest1759671-21/usr/sbin/munin21:55:023
1668551995313,39cyclictest1732966-21df21:05:143
1668551995234,18cyclictest0-21swapper/322:15:143
1668551995233,19cyclictest0-21swapper/321:37:143
1668551995233,19cyclictest0-21swapper/319:17:063
1668551995233,19cyclictest0-21swapper/300:01:083
1668551995218,34cyclictest0-21swapper/323:40:113
1668555995113,19cyclictest0-21swapper/719:50:157
1668551995132,19cyclictest0-21swapper/322:35:423
1668551995132,19cyclictest0-21swapper/321:34:423
1668551995132,19cyclictest0-21swapper/320:55:103
1668551995132,19cyclictest0-21swapper/320:37:063
1668551995132,19cyclictest0-21swapper/320:25:083
1668551995132,19cyclictest0-21swapper/319:43:183
1668551995132,19cyclictest0-21swapper/319:38:073
1668551995132,0cyclictest0-21swapper/321:59:223
1668551995113,38cyclictest0-21swapper/321:20:363
1668551995113,19cyclictest1675718-21head19:20:223
1668551995113,19cyclictest0-21swapper/320:10:153
1668551995112,39cyclictest0-21swapper/300:35:173
1668551995111,39cyclictest0-21swapper/320:50:183
1668553995032,18cyclictest0-21swapper/520:00:165
1668551995032,18cyclictest0-21swapper/322:29:103
1668551995031,19cyclictest0-21swapper/323:07:433
1668551995031,19cyclictest0-21swapper/322:56:103
1668551995031,19cyclictest0-21swapper/322:13:103
1668551995031,19cyclictest0-21swapper/322:00:543
1668551995031,19cyclictest0-21swapper/321:46:103
1668551995031,19cyclictest0-21swapper/321:29:103
1668551995031,19cyclictest0-21swapper/320:46:063
1668551995031,19cyclictest0-21swapper/320:31:113
1668551995031,19cyclictest0-21swapper/320:24:313
1668551995031,19cyclictest0-21swapper/319:59:063
1668549995012,38cyclictest0-21swapper/120:50:161
1668551994931,18cyclictest0-21swapper/322:09:063
1668551994931,18cyclictest0-21swapper/320:16:423
1668551994931,18cyclictest0-21swapper/300:30:533
1668551994930,19cyclictest0-21swapper/323:31:233
1668551994930,19cyclictest0-21swapper/323:20:463
1668551994910,39cyclictest0-21swapper/322:22:173
1668551994829,19cyclictest0-21swapper/323:51:283
1668551994829,19cyclictest0-21swapper/319:50:483
1668551994829,19cyclictest0-21swapper/319:10:363
166855599478,19cyclictest0-21swapper/721:20:177
1668552994746,1cyclictest601ktimers/420:00:164
166854999479,19cyclictest0-21swapper/119:55:151
166854999479,19cyclictest0-21swapper/119:30:161
166855599467,39cyclictest0-21swapper/721:55:177
166854999468,19cyclictest0-21swapper/122:30:191
166855399457,19cyclictest0-21swapper/519:40:165
166854999456,39cyclictest0-21swapper/120:05:161
166855299434,39cyclictest0-21swapper/423:00:174
166854999434,19cyclictest0-21swapper/120:45:161
166854899435,19cyclictest0-21swapper/019:40:150
166855599424,19cyclictest0-21swapper/719:40:157
166855599413,19cyclictest0-21swapper/722:10:157
1668553994122,19cyclictest0-21swapper/521:20:165
166855399402,19cyclictest0-21swapper/522:20:165
166855399402,19cyclictest0-21swapper/521:30:145
166855399390,20cyclictest0-21swapper/520:15:165
166855399390,20cyclictest0-21swapper/500:35:165
166855299380,19cyclictest0-21swapper/420:10:154
1668549993838,0cyclictest0-21swapper/120:39:441
166854899380,19cyclictest0-21swapper/021:40:170
166855599370,18cyclictest0-21swapper/720:19:547
1668554993715,1cyclictest191rcu_preempt19:25:236
166855299370,18cyclictest0-21swapper/420:05:174
1668549993718,19cyclictest0-21swapper/121:00:171
166855599360,17cyclictest0-21swapper/721:35:157
1668554993636,0cyclictest0-21swapper/619:30:186
166855299360,35cyclictest0-21swapper/423:10:154
166855299360,35cyclictest0-21swapper/423:05:154
1668548993613,23cyclictest0-21swapper/021:00:160
166855599350,15cyclictest0-21swapper/700:30:147
166855399350,35cyclictest0-21swapper/522:15:165
166855299350,34cyclictest0-21swapper/422:35:184
166855299350,34cyclictest0-21swapper/420:40:164
1668551993515,19cyclictest1668635-21munin-run19:10:023
1668555993414,20cyclictest0-21swapper/720:10:157
1668555993414,19cyclictest0-21swapper/721:45:167
1668555993414,19cyclictest0-21swapper/700:05:177
166855599340,15cyclictest0-21swapper/722:35:187
166855599340,15cyclictest0-21swapper/722:25:147
1668553993434,0cyclictest0-21swapper/500:02:385
1668552993415,19cyclictest0-21swapper/422:30:194
1668552993415,19cyclictest0-21swapper/421:15:154
166855299340,15cyclictest0-21swapper/419:35:154
1668550993433,1cyclictest1668547-21cyclictest20:00:172
166854999340,34cyclictest0-21swapper/119:35:151
1668548993414,20cyclictest0-21swapper/023:25:160
166854899340,34cyclictest0-21swapper/020:20:140
1668555993315,0cyclictest0-21swapper/719:10:157
1668555993314,19cyclictest0-21swapper/722:45:177
1668555993314,19cyclictest0-21swapper/721:15:157
1668555993314,19cyclictest0-21swapper/720:55:157
1668555993314,19cyclictest0-21swapper/720:50:177
1668555993314,19cyclictest0-21swapper/719:25:167
1668555993314,19cyclictest0-21swapper/719:20:177
1668555993314,19cyclictest0-21swapper/700:00:177
1668553993314,19cyclictest0-21swapper/522:55:175
1668553993314,19cyclictest0-21swapper/521:40:175
1668553993314,19cyclictest0-21swapper/520:05:165
1668553993314,19cyclictest0-21swapper/519:55:155
1668552993314,19cyclictest0-21swapper/422:45:174
1668552993314,19cyclictest0-21swapper/420:55:154
1668552993314,19cyclictest0-21swapper/420:30:154
1668552993314,19cyclictest0-21swapper/420:20:154
1668552993314,19cyclictest0-21swapper/400:05:174
1668550993314,19cyclictest0-21swapper/222:10:212
1668550993314,19cyclictest0-21swapper/219:15:162
1668549993314,19cyclictest0-21swapper/123:50:181
1668549993314,19cyclictest0-21swapper/123:15:151
1668549993314,19cyclictest0-21swapper/119:15:161
1668548993314,19cyclictest0-21swapper/022:20:160
1668555993213,19cyclictest0-21swapper/723:55:167
1668555993213,19cyclictest0-21swapper/723:45:157
1668555993213,19cyclictest0-21swapper/722:40:177
1668555993213,19cyclictest0-21swapper/722:15:167
1668555993213,19cyclictest0-21swapper/722:00:177
1668555993213,19cyclictest0-21swapper/721:25:147
1668555993213,19cyclictest0-21swapper/721:05:167
1668555993213,19cyclictest0-21swapper/700:25:177
1668555993213,19cyclictest0-21swapper/700:10:197
1668555993212,19cyclictest0-21swapper/719:35:157
1668553993214,0cyclictest0-21swapper/519:20:165
1668553993213,19cyclictest0-21swapper/523:35:145
1668553993213,19cyclictest0-21swapper/522:10:155
1668553993213,19cyclictest0-21swapper/521:05:165
1668552993214,18cyclictest0-21swapper/419:30:154
1668552993213,19cyclictest0-21swapper/423:30:174
1668552993213,19cyclictest0-21swapper/422:05:164
1668552993213,19cyclictest0-21swapper/419:50:154
1668550993213,19cyclictest0-21swapper/221:20:162
1668549993214,18cyclictest0-21swapper/122:00:161
1668549993213,19cyclictest0-21swapper/123:35:151
1668549993213,19cyclictest0-21swapper/122:55:171
1668549993213,19cyclictest0-21swapper/121:40:161
1668549993213,19cyclictest0-21swapper/120:25:161
1668549993213,19cyclictest0-21swapper/100:35:161
1668549993213,19cyclictest0-21swapper/100:20:171
1668548993213,19cyclictest0-21swapper/019:10:150
1668548993212,19cyclictest0-21swapper/019:55:150
1668555993112,19cyclictest0-21swapper/722:20:237
1668555993112,19cyclictest0-21swapper/721:50:147
1668555993112,19cyclictest0-21swapper/720:25:157
1668555993111,20cyclictest0-21swapper/720:35:167
1668554993131,0cyclictest1746106-21kworker/u32:2+events_unbound23:05:066
1668553993113,18cyclictest0-21swapper/523:55:165
1668552993113,0cyclictest0-21swapper/420:45:164
1668552993112,19cyclictest0-21swapper/422:20:164
1668552993112,19cyclictest0-21swapper/400:30:144
1668552993112,19cyclictest0-21swapper/400:00:174
1668552993111,19cyclictest0-21swapper/421:25:144
1668549993131,0cyclictest0-21swapper/119:50:021
1668549993113,18cyclictest0-21swapper/120:40:161
1668549993113,18cyclictest0-21swapper/120:15:171
1668549993112,19cyclictest0-21swapper/122:35:181
1668549993112,19cyclictest0-21swapper/122:15:171
1668549993112,19cyclictest0-21swapper/121:45:161
1668549993112,19cyclictest0-21swapper/119:25:161
1668549993112,19cyclictest0-21swapper/100:25:161
1668548993112,19cyclictest0-21swapper/023:10:150
1668548993112,19cyclictest0-21swapper/022:50:170
1668548993112,19cyclictest0-21swapper/021:15:050
1668548993112,19cyclictest0-21swapper/000:35:160
1668548993112,19cyclictest0-21swapper/000:05:170
1668555993011,19cyclictest0-21swapper/723:50:197
1668555993011,19cyclictest0-21swapper/719:55:167
1668553993030,0cyclictest0-21swapper/522:03:405
1668553993011,19cyclictest0-21swapper/523:30:175
1668552993011,19cyclictest0-21swapper/423:20:164
1668552993011,19cyclictest0-21swapper/421:40:174
1668552993010,19cyclictest0-21swapper/419:40:164
1668549993030,0cyclictest0-21swapper/122:40:221
1668549993029,0cyclictest0-21swapper/121:25:141
1668549993012,18cyclictest0-21swapper/123:40:161
1668549993012,18cyclictest0-21swapper/100:15:171
1668554992929,0cyclictest0-21swapper/600:24:596
1668554992910,19cyclictest0-21swapper/619:45:166
1668553992910,1cyclictest0-21swapper/519:15:175
1668552992910,19cyclictest0-21swapper/419:25:174
1668552992910,19cyclictest0-21swapper/419:20:164
1668552992910,19cyclictest0-21swapper/400:15:164
1668549992910,19cyclictest0-21swapper/120:20:141
1668548992910,19cyclictest0-21swapper/021:10:170
1668548992910,19cyclictest0-21swapper/021:10:160
1668548992910,19cyclictest0-21swapper/000:00:160
166855599289,19cyclictest0-21swapper/723:25:167
166855599289,19cyclictest0-21swapper/722:50:187
166855599289,19cyclictest0-21swapper/719:15:227
166855599289,19cyclictest0-21swapper/700:35:177
166855499289,19cyclictest0-21swapper/623:45:156
166855499289,19cyclictest0-21swapper/623:40:166
166855499289,19cyclictest0-21swapper/623:20:166
166855499289,19cyclictest0-21swapper/623:10:156
166855499289,19cyclictest0-21swapper/622:50:176
166855499289,19cyclictest0-21swapper/622:15:166
166855499289,19cyclictest0-21swapper/621:50:146
166855499289,19cyclictest0-21swapper/621:10:166
166855499289,19cyclictest0-21swapper/621:10:166
166855499289,19cyclictest0-21swapper/620:45:166
166855499289,19cyclictest0-21swapper/620:30:156
166855499289,19cyclictest0-21swapper/620:10:156
166855399289,19cyclictest0-21swapper/500:10:195
166855299289,19cyclictest0-21swapper/422:40:174
1668549992828,0cyclictest0-21swapper/121:55:021
166854899289,19cyclictest0-21swapper/023:30:160
166854899289,19cyclictest0-21swapper/020:40:170
166855499278,19cyclictest0-21swapper/622:20:176
166855499278,19cyclictest0-21swapper/622:05:156
166855499278,19cyclictest0-21swapper/621:45:166
166855499278,19cyclictest0-21swapper/600:25:166
166855399277,19cyclictest0-21swapper/521:00:165
166854999278,19cyclictest0-21swapper/121:20:161
166855599267,19cyclictest0-21swapper/720:30:157
166855599267,19cyclictest0-21swapper/700:20:177
166855599266,19cyclictest0-21swapper/722:05:167
166855499267,19cyclictest0-21swapper/622:40:176
166855499267,19cyclictest0-21swapper/621:05:176
166855499266,20cyclictest0-21swapper/620:15:166
1668554992626,0cyclictest0-21swapper/622:38:226
1668554992626,0cyclictest0-21swapper/620:39:446
166855399267,19cyclictest0-21swapper/521:45:165
166855299267,19cyclictest0-21swapper/400:35:174
166854999267,19cyclictest0-21swapper/123:55:351
166854899267,19cyclictest0-21swapper/000:30:140
166855599255,20cyclictest0-21swapper/721:30:157
166855599250,20cyclictest0-21swapper/723:30:167
166855499256,19cyclictest0-21swapper/623:50:186
166855499256,19cyclictest0-21swapper/620:05:166
166855499256,19cyclictest0-21swapper/600:15:176
166855299256,19cyclictest0-21swapper/421:10:164
166855299256,19cyclictest0-21swapper/421:10:164
1668555992419,4cyclictest1659965-21kworker/7:2+events19:35:027
1668555992418,5cyclictest1659965-21kworker/7:2+events21:10:207
1668555992418,5cyclictest1659965-21kworker/7:2+events21:10:207
166855499245,19cyclictest0-21swapper/623:00:176
166855499245,19cyclictest0-21swapper/621:55:166
166855499245,19cyclictest0-21swapper/600:30:146
166855299245,19cyclictest0-21swapper/423:15:154
166855299240,20cyclictest0-21swapper/422:15:064
1668548992420,4cyclictest1807247-21mii-tool23:20:160
166855599234,19cyclictest0-21swapper/723:40:167
166855599234,19cyclictest0-21swapper/720:05:247
1668555992319,4cyclictest1773174-21kworker/7:0+events22:55:167
1668555992319,4cyclictest1659965-21kworker/7:2+events20:40:227
1668555992318,4cyclictest1795372-21kworker/7:2+events23:05:027
1668555992317,4cyclictest1795372-21kworker/7:2+events23:20:127
1668555992317,4cyclictest1795372-21kworker/7:2+events23:15:137
1668555992316,5cyclictest1659965-21kworker/7:2+events20:20:187
166855499235,18cyclictest0-21swapper/623:15:156
166854999234,19cyclictest0-21swapper/123:25:171
166854899234,19cyclictest0-21swapper/023:35:140
166854899234,0cyclictest0-21swapper/021:31:260
166855599223,19cyclictest0-21swapper/723:35:147
1668555992218,4cyclictest1795372-21kworker/7:2+events23:10:027
1668555992218,4cyclictest1795372-21kworker/7:2+events00:15:017
1668555992218,4cyclictest1773174-21kworker/7:0+events22:30:247
1668555992218,4cyclictest1659965-21kworker/7:2+events21:40:147
1668555992218,4cyclictest1659965-21kworker/7:2+events21:00:147
1668555992218,4cyclictest1659965-21kworker/7:2+events20:45:147
1668555992217,5cyclictest1659965-21kworker/7:2+events20:00:247
166855399222,19cyclictest0-21swapper/521:55:165
1668550992222,0cyclictest0-21swapper/221:40:402
1668555992117,4cyclictest1659965-21kworker/7:2+events19:45:187
1668555992116,4cyclictest1795372-21kworker/7:2+events23:10:187
1668554992120,1cyclictest1826323-21mii-tool23:55:166
166855399212,19cyclictest0-21swapper/523:20:165
166855399212,19cyclictest0-21swapper/522:40:175
1668552992120,1cyclictest1816117-21sensors23:35:224
1668552992119,1cyclictest236199-21snmpd22:25:134
1668550992120,1cyclictest1845753-21ethtool00:30:152
1668550992120,1cyclictest0-21swapper/200:05:162
1668548992116,0cyclictest1680584-21mii-tool19:30:150
1668554992019,0cyclictest236199-21snmpd21:17:476
166855499201,19cyclictest0-21swapper/619:15:166
166855499200,20cyclictest0-21swapper/619:50:156
1668553992020,0cyclictest1840313-21mii-tool00:20:175
1668553992020,0cyclictest1711594-21sensors20:25:225
1668553992020,0cyclictest1677862-21mii-tool19:25:165
1668553992019,1cyclictest1779676-21ethtool22:30:195
166855399201,0cyclictest0-21swapper/522:51:265
166855399200,20cyclictest0-21swapper/523:25:145
166855399200,20cyclictest0-21swapper/523:05:145
1668552992020,0cyclictest1730521-21mii-tool21:00:164
166855299200,20cyclictest0-21swapper/423:50:184
166855299200,1cyclictest0-21swapper/422:55:174
1668550992020,0cyclictest1823621-21mii-tool23:50:182
1668550992020,0cyclictest1790840-21mii-tool22:50:172
1668550992020,0cyclictest1757829-21mii-tool21:50:152
1668550992020,0cyclictest1705163-21mii-tool20:15:162
1668550992020,0cyclictest1688796-21mii-tool19:45:162
1668550992019,1cyclictest1774220-21mii-tool22:20:162
1668550992019,1cyclictest1760552-21ethtool21:55:162
1668550992019,1cyclictest0-21swapper/200:25:002
166855099200,20cyclictest0-21swapper/223:45:542
166855099200,20cyclictest0-21swapper/221:06:342
166855099200,20cyclictest0-21swapper/220:35:182
166855099200,20cyclictest0-21swapper/219:51:332
166855099200,1cyclictest0-21swapper/223:21:332
1668549992020,0cyclictest1768746-21mii-tool22:10:151
1668549992020,0cyclictest1686076-21mii-tool19:40:161
1668549992019,1cyclictest236199-21snmpd00:05:221
166854999200,20cyclictest1797112-21switchtime23:00:241
1668548992020,0cyclictest1799029-21mii-tool23:05:150
1668548992020,0cyclictest1761250-21sensors21:55:220
1668548992019,1cyclictest236199-21snmpd23:02:050
1668548992019,1cyclictest1785125-21ethtool22:40:180
166854899200,20cyclictest0-21swapper/000:14:130
1668554991918,1cyclictest236199-21snmpd23:36:336
1668554991918,0cyclictest236199-21snmpd21:25:326
166855499190,19cyclictest0-21swapper/623:31:106
166855499190,19cyclictest0-21swapper/622:10:216
166855499190,19cyclictest0-21swapper/619:57:166
166855499190,19cyclictest0-21swapper/600:13:196
166855499190,0cyclictest0-21swapper/621:43:226
166855499190,0cyclictest0-21swapper/620:29:426
1668553991919,0cyclictest236199-21snmpd23:00:355
1668553991919,0cyclictest236199-21snmpd20:24:005
1668553991919,0cyclictest1837288-21mii-tool00:15:175
1668553991919,0cyclictest1818168-21ethtool23:40:165
1668553991919,0cyclictest1804478-21mii-tool23:15:155
1668553991919,0cyclictest1719356-21mii-tool20:40:165
1668553991918,1cyclictest1702434-21cat20:10:155
166855399190,19cyclictest0-21swapper/500:30:175
166855399190,19cyclictest0-21swapper/500:05:285
1668552991919,0cyclictest236199-21snmpd22:53:334
1668552991919,0cyclictest236199-21snmpd21:54:184
1668552991919,0cyclictest236199-21snmpd21:21:264
1668552991919,0cyclictest236199-21snmpd00:13:494
166855299190,19cyclictest0-21swapper/421:56:544
166855299190,19cyclictest0-21swapper/419:16:134
166855299190,0cyclictest0-21swapper/423:43:484
1668550991919,0cyclictest236199-21snmpd22:44:222
1668550991919,0cyclictest236199-21snmpd21:29:542
1668550991919,0cyclictest1818172-21mii-tool23:40:162
1668550991919,0cyclictest1801772-21mii-tool23:10:152
1668550991919,0cyclictest1771468-21ethtool22:15:162
1668550991919,0cyclictest1735970-21mii-tool21:10:162
1668550991919,0cyclictest1735970-21mii-tool21:10:162
1668550991919,0cyclictest1722323-21mii-tool20:45:172
1668550991919,0cyclictest1713602-21mii-tool20:30:152
1668550991919,0cyclictest1702418-21ethtool20:10:152
1668550991919,0cyclictest1677881-21mii-tool19:25:172
1668550991918,1cyclictest236199-21snmpd19:55:472
1668550991918,1cyclictest0-21swapper/222:31:492
1668550991917,1cyclictest1755089-21mii-tool21:45:162
166855099190,19cyclictest0-21swapper/223:55:162
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