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2025-06-16 - 15:42
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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 rackbslot2.osadl.org (updated Mon Jun 16, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20092132238184,20sleep20-21swapper/207:06:482
20094272235180,19sleep00-21swapper/007:09:280
20092272233203,19sleep10-21swapper/107:06:591
20092092229199,19sleep30-21swapper/307:06:463
2009656996057,2cyclictest2084129-21kworker/u8:1+flush-179:008:40:051
2009653996056,2cyclictest2248261-21ThreadPoolForeg11:45:010
2009653995650,3cyclictest2196847-21/usr/sbin/munin10:45:010
2009653995447,5cyclictest2062234-21/usr/share/muni08:10:090
22313112530,1chrt2231283-21snmp_wlanswitch11:25:030
2009664995248,3cyclictest2183604-21kworker/u8:2+events_unbound11:55:093
2009658995248,3cyclictest2183604-21kworker/u8:2+flush-179:011:35:042
2009656995246,5cyclictest2260383-31munin-html11:55:301
2009658995147,3cyclictest2101171-21kworker/u8:2+events_unbound08:55:082
2009653995150,1cyclictest2047373-21awk07:50:150
2009653995144,5cyclictest2222272-21latency_hist11:15:000
2009664995045,4cyclictest2080143-21/usr/share/muni08:30:013
2009656994945,3cyclictest2191821-21kworker/u8:1+flush-179:010:40:271
2009656994944,2cyclictest2179284-21kworker/u8:1+events_unbound10:25:101
2009656994845,2cyclictest2183604-21kworker/u8:2+flush-179:010:35:201
2009658994743,3cyclictest2022648-21kworker/u8:3+flush-179:008:10:052
2009658994743,3cyclictest1996356-21kworker/u8:0+events_unbound07:10:082
2009664994642,3cyclictest2191821-21kworker/u8:1+flush-179:011:00:063
2009664994642,3cyclictest2138962-21kworker/u8:3+flush-179:010:00:103
2009656994642,3cyclictest2096573-21kworker/u8:1+flush-179:009:30:061
2009656994632,2cyclictest2096573-21kworker/u8:1+flush-179:009:40:211
2009653994640,4cyclictest2014045-21/usr/share/muni07:15:070
2009664994541,3cyclictest2223141-21kworker/u8:0+events_unbound12:00:093
2009664994541,3cyclictest2009422-21kworker/u8:1+flush-179:007:35:243
2009664994532,1cyclictest1903124-1kworker/3:0H+kblockd07:50:553
2009658994542,2cyclictest2268589-21kworker/u8:3+flush-179:012:30:142
2009658994541,3cyclictest2183604-21kworker/u8:2+events_unbound11:50:082
2009658994538,5cyclictest2142881-21ntpq09:40:142
2009656994541,3cyclictest2138962-21kworker/u8:3+flush-179:010:50:051
2009664994441,2cyclictest2148667-21kworker/u8:0+flush-179:010:35:063
2009664994439,3cyclictest2144937-21/usr/share/muni09:45:013
2009653994442,1cyclictest2092776-21kworker/0:0+pm09:46:280
2009664994340,2cyclictest2191821-21kworker/u8:1+flush-179:011:15:053
2009664994340,2cyclictest2191821-21kworker/u8:1+flush-179:011:15:053
2009664994340,2cyclictest2096573-21kworker/u8:1+events_unbound09:05:103
2009664994339,3cyclictest2110473-21kworker/u8:0+flush-179:009:10:053
2009658994339,3cyclictest2261033-21kworker/u8:1+events_unbound12:10:102
2009658994338,3cyclictest2291872-21/usr/share/muni12:35:032
2009658994337,4cyclictest2287082-21latency_hist12:30:012
2009653994339,3cyclictest2066760-21/usr/share/muni08:15:070
2009653994337,4cyclictest2291340-21apt-get12:35:000
2009664994239,2cyclictest2022648-21kworker/u8:3+events_unbound07:30:093
2009658994238,3cyclictest2049131-21kworker/u8:0+events_unbound08:00:002
2009656994238,3cyclictest1992024-21kworker/u8:2+flush-179:007:35:171
2009656994230,1cyclictest1272-21snmpd07:27:511
21154842410,1chrt2115481-21ntpq09:10:060
2009664994139,2cyclictest2183604-21kworker/u8:2+flush-179:010:50:293
2009664994138,2cyclictest2261033-21kworker/u8:1+flush-179:012:20:103
2009664994137,3cyclictest2183604-21kworker/u8:2+events_unbound11:05:093
2009658994137,3cyclictest2094814-21ThreadPoolForeg08:45:112
2009656994137,3cyclictest2243370-21kworker/u8:1+flush-179:011:45:101
2009653994129,1cyclictest36029-21ntpd08:34:060
2009653994127,3cyclictest1912553-1kworker/0:0H+kblockd08:20:270
20516722400,1sleep3441ktimers/307:55:153
2009658994037,2cyclictest2162806-21kworker/2:1+pm10:40:472
2009658994037,2cyclictest2040518-21kworker/2:0+pm08:15:132
2009658994036,3cyclictest2040469-21latency_hist07:45:012
2009658994036,3cyclictest2009422-21kworker/u8:1+flush-179:007:20:062
2009656994038,1cyclictest2175227-21kworker/1:1+pm12:02:151
2009656994036,3cyclictest2183604-21kworker/u8:2+events_unbound11:15:021
2009656994036,3cyclictest2183604-21kworker/u8:2+events_unbound11:15:021
2009653994034,5cyclictest2012950-21ntpq07:10:230
2009664993936,2cyclictest2191821-21kworker/u8:1+flush-179:010:45:103
2009664993936,2cyclictest2138962-21kworker/u8:3+events_unbound09:40:093
2009658993938,1cyclictest2088159-21kworker/2:1+pm08:41:242
2009658993937,1cyclictest2162806-21kworker/2:1+pm12:00:502
2009658993937,1cyclictest2162806-21kworker/2:1+pm11:22:162
2009658993937,1cyclictest2102425-21kworker/2:2+pm09:11:042
2009658993937,1cyclictest1955000-21kworker/2:2+pm07:35:262
2009658993937,1cyclictest1955000-21kworker/2:2+pm07:25:592
2009658993936,2cyclictest2217859-21kworker/u8:3+events_unbound11:25:042
2009658993936,2cyclictest2162806-21kworker/2:1+pm10:10:172
2009658993936,2cyclictest1955000-21kworker/2:2+pm07:15:052
2009658993935,3cyclictest2191821-21kworker/u8:1+events_unbound11:00:152
2009658993935,2cyclictest2040518-21kworker/2:0+pm08:25:042
2009653993935,3cyclictest2096573-21kworker/u8:1+flush-179:009:00:150
2009653993934,3cyclictest1912553-1kworker/0:0H+kblockd07:20:040
2009664993835,2cyclictest2096573-21kworker/u8:1+events_unbound09:15:293
2009664993835,2cyclictest2049131-21kworker/u8:0+flush-179:008:25:113
2009658993837,1cyclictest2118763-21kworker/2:0+pm09:16:402
2009658993837,1cyclictest2040518-21kworker/2:0+pm07:50:202
2009658993836,1cyclictest2162806-21kworker/2:1+pm11:30:522
2009658993836,1cyclictest2162806-21kworker/2:1+pm11:30:522
2009658993836,1cyclictest2162806-21kworker/2:1+pm11:15:502
2009658993836,1cyclictest2162806-21kworker/2:1+pm11:15:502
2009658993836,1cyclictest2162806-21kworker/2:1+pm10:30:442
2009658993836,1cyclictest2127582-21kworker/2:2+pm10:01:452
2009658993836,1cyclictest2127582-21kworker/2:2+pm09:55:282
2009658993836,1cyclictest2040518-21kworker/2:0+pm08:01:412
2009658993835,2cyclictest2162806-21kworker/2:1+pm10:55:072
2009658993835,2cyclictest2040518-21kworker/2:0+pm08:30:162
2009658993835,2cyclictest2040518-21kworker/2:0+pm08:20:022
2009656993834,3cyclictest2183604-21kworker/u8:2+flush-179:011:40:321
2009656993834,3cyclictest2138962-21kworker/u8:3+flush-179:010:30:151
2009656993833,3cyclictest2144909-21chrome09:45:011
2009656993820,17cyclictest2074385-21ntpq08:20:231
2009653993836,1cyclictest2049249-21kworker/0:2+pm08:39:230
2009653993835,2cyclictest1912553-1kworker/0:0H+kblockd07:32:220
2009653993834,3cyclictest1912553-1kworker/0:0H+kblockd09:05:520
2009664993734,2cyclictest2070374-21kworker/u8:3+flush-179:008:40:253
2009664993733,3cyclictest2174703-31munin-graph10:15:473
2009664993733,3cyclictest2009422-21kworker/u8:1+events_unbound07:10:033
2009664993733,2cyclictest1903124-1kworker/3:0H+kblockd08:50:203
2009664993732,4cyclictest2053702-21/usr/share/muni08:00:093
2009658993735,2cyclictest2162806-21kworker/2:1+pm11:56:022
2009658993735,1cyclictest2162806-21kworker/2:1+pm10:54:112
2009658993735,1cyclictest2118763-21kworker/2:0+pm09:25:592
2009658993735,1cyclictest2040518-21kworker/2:0+pm08:35:062
2009658993735,1cyclictest2040518-21kworker/2:0+pm08:05:392
2009658993735,1cyclictest1955000-21kworker/2:2+pm07:31:192
2009658993734,2cyclictest2162806-21kworker/2:1+pm10:20:042
2009658993734,2cyclictest2162806-21kworker/2:1+pm10:20:042
2009658993734,2cyclictest2070374-21kworker/u8:3+flush-179:009:20:292
2009658993734,2cyclictest2040518-21kworker/2:0+pm07:45:042
2009656993735,1cyclictest1668293-1kworker/1:2H+kblockd11:09:161
2009656993734,2cyclictest2183604-21kworker/u8:2+flush-179:011:30:161
2009656993734,2cyclictest2183604-21kworker/u8:2+flush-179:011:30:161
2009656993733,3cyclictest2084129-21kworker/u8:1+flush-179:008:35:051
2009656993733,3cyclictest1992024-21kworker/u8:2+flush-179:007:50:101
2009656993728,8cyclictest2177853-21awk10:20:161
2009656993728,8cyclictest2177853-21awk10:20:151
2009653993734,2cyclictest1912553-1kworker/0:0H+kblockd12:01:070
2009653993734,2cyclictest1912553-1kworker/0:0H+kblockd10:52:310
2009653993734,2cyclictest1912553-1kworker/0:0H+kblockd09:16:370
2009653993733,3cyclictest2149149-21kworker/0:1+pm09:59:170
2009653993730,5cyclictest2053076-31munin-graph07:55:440
2009653993725,2cyclictest1272-21snmpd10:00:060
2009664993634,2cyclictest2183604-21kworker/u8:2+events_unbound11:25:083
2009664993634,1cyclictest2218035-21kworker/3:0+pm12:13:273
2009664993633,2cyclictest2183604-21kworker/u8:2+flush-179:011:20:153
2009664993633,2cyclictest1992024-21kworker/u8:2+flush-179:007:25:083
2009664993633,2cyclictest1903124-1kworker/3:0H+kblockd07:20:403
2009664993632,3cyclictest2131816-21latency_hist09:30:003
2009664993631,3cyclictest2247967-21munin-update11:45:013
2009658993635,1cyclictest2162806-21kworker/2:1+pm10:38:352
2009658993634,1cyclictest2162806-21kworker/2:1+pm12:05:042
2009658993634,1cyclictest2162806-21kworker/2:1+pm11:45:022
2009658993633,2cyclictest2162806-21kworker/2:1+pm11:10:032
2009658993633,2cyclictest2162806-21kworker/2:1+pm10:45:082
2009658993633,2cyclictest2162806-21kworker/2:1+pm10:26:392
2009658993633,2cyclictest2127582-21kworker/2:2+pm09:45:032
2009658993632,2cyclictest1650497-1kworker/2:2H+kblockd12:15:012
2009658993630,4cyclictest2097456-21/usr/share/muni08:50:032
2009656993634,1cyclictest1668293-1kworker/1:2H+kblockd08:25:181
2009656993634,1cyclictest1668293-1kworker/1:2H+kblockd07:10:251
2009656993633,2cyclictest2096573-21kworker/u8:1+flush-179:009:20:151
2009653993634,1cyclictest1912553-1kworker/0:0H+kblockd10:10:390
2009653993634,1cyclictest1912553-1kworker/0:0H+kblockd07:41:480
2009653993634,1cyclictest1868845-21kworker/0:0+pm07:36:040
2009653993633,2cyclictest1912553-1kworker/0:0H+kblockd12:35:510
2009653993633,2cyclictest1912553-1kworker/0:0H+kblockd08:05:150
2009653993633,2cyclictest1912553-1kworker/0:0H+kblockd07:26:470
2009653993631,4cyclictest2149149-21kworker/0:1+pm11:21:480
2009653993624,3cyclictest1912553-1kworker/0:0H+kblockd09:50:010
2009664993533,1cyclictest1903124-1kworker/3:0H+kblockd12:27:343
2009664993533,1cyclictest1903124-1kworker/3:0H+kblockd12:05:013
2009664993533,1cyclictest1903124-1kworker/3:0H+kblockd10:30:153
2009664993533,1cyclictest1903124-1kworker/3:0H+kblockd09:31:083
2009664993533,1cyclictest1903124-1kworker/3:0H+kblockd08:35:113
2009664993532,2cyclictest2191821-21kworker/u8:1+flush-179:010:40:183
2009664993532,2cyclictest1903124-1kworker/3:0H+kblockd11:43:253
2009664993532,2cyclictest1903124-1kworker/3:0H+kblockd07:15:043
2009664993531,2cyclictest1903124-1kworker/3:0H+kblockd10:10:183
2009658993533,1cyclictest2127582-21kworker/2:2+pm09:51:062
2009658993532,2cyclictest2127582-21kworker/2:2+pm10:05:042
2009658993531,3cyclictest2223141-21kworker/u8:0+flush-179:011:40:152
2009658993531,2cyclictest1650497-1kworker/2:2H+kblockd09:30:042
2009656993533,1cyclictest1668293-1kworker/1:2H+kblockd10:16:061
2009656993532,2cyclictest2217859-21kworker/u8:3+flush-179:011:10:271
2009656993532,2cyclictest2157298-21kworker/u8:1+flush-179:010:05:091
2009656993532,2cyclictest1668293-1kworker/1:2H+kblockd10:55:031
2009656993529,5cyclictest2255935-21ntpq11:50:291
2009653993533,1cyclictest2149149-21kworker/0:1+pm11:58:440
2009653993533,1cyclictest2149149-21kworker/0:1+pm11:03:490
2009653993533,1cyclictest1912553-1kworker/0:0H+kblockd08:51:010
2009653993532,2cyclictest1912553-1kworker/0:0H+kblockd12:25:020
2009653993531,3cyclictest1912553-1kworker/0:0H+kblockd08:55:030
2009653993530,5cyclictest1272-21snmpd10:08:570
2009653993529,4cyclictest2269571-31munin-graph12:05:410
2009653993525,7cyclictest2278804-21/usr/share/muni12:20:140
2009664993433,1cyclictest1903124-1kworker/3:0H+kblockd08:46:473
2009664993432,2cyclictest2049131-21kworker/u8:0+events_unbound08:19:043
2009664993432,1cyclictest1903124-1kworker/3:0H+kblockd07:45:263
2009664993431,2cyclictest2217859-21kworker/u8:3+events_unbound11:10:153
2009664993431,2cyclictest2205235-21kworker/u8:0+flush-179:010:55:383
2009664993431,2cyclictest2183604-21kworker/u8:2+flush-179:011:50:103
2009664993431,2cyclictest1903124-1kworker/3:0H+kblockd07:40:153
2009658993432,1cyclictest2162806-21kworker/2:1+pm10:15:472
2009658993432,1cyclictest2102425-21kworker/2:2+pm09:06:002
2009658993431,2cyclictest2162806-21kworker/2:1+pm11:05:062
2009656993429,4cyclictest1127-21mosquitto08:45:171
2009653993432,1cyclictest2149149-21kworker/0:1+pm11:35:000
2009653993432,1cyclictest2149149-21kworker/0:1+pm11:35:000
2009653993432,1cyclictest1912553-1kworker/0:0H+kblockd08:40:370
2009653993431,2cyclictest1912553-1kworker/0:0H+kblockd12:19:090
2009653993431,2cyclictest1912553-1kworker/0:0H+kblockd08:45:450
2009653993430,3cyclictest2131061-31munin-html09:25:270
2009653993429,4cyclictest1912553-1kworker/0:0H+kblockd11:19:540
2009653993429,4cyclictest1912553-1kworker/0:0H+kblockd11:19:540
2009653993429,0cyclictest1272-21snmpd11:43:460
2009653993427,5cyclictest2196486-21latency_hist10:45:010
2009664993331,1cyclictest1903124-1kworker/3:0H+kblockd12:30:393
2009664993330,2cyclictest2096573-21kworker/u8:1+events_unbound09:35:053
2009664993326,5cyclictest2291872-21/usr/share/muni12:35:063
2009656993331,1cyclictest2035540-21kworker/1:1+pm08:06:191
2009656993330,2cyclictest1992024-21kworker/u8:2+flush-179:007:21:001
2009656993330,2cyclictest1668293-1kworker/1:2H+kblockd08:11:271
2009656993330,2cyclictest1272-21snmpd11:23:181
2009656993321,11cyclictest1668293-1kworker/1:2H+kblockd12:10:041
2009653993329,2cyclictest1912553-1kworker/0:0H+kblockd10:25:180
2009653993328,0cyclictest1272-21snmpd11:07:410
2009664993230,1cyclictest1903124-1kworker/3:0H+kblockd08:10:293
2009664993230,1cyclictest1272-21snmpd08:57:043
2009664993230,1cyclictest1272-21snmpd08:08:353
2009658993230,1cyclictest2162806-21kworker/2:1+pm12:21:042
2009658993230,1cyclictest2102425-21kworker/2:2+pm09:00:162
2009656993231,1cyclictest2265098-21kworker/1:0+pm12:30:001
2009656993230,1cyclictest1668293-1kworker/1:2H+kblockd11:25:271
2009656993230,1cyclictest1668293-1kworker/1:2H+kblockd09:06:021
2009656993230,1cyclictest1668293-1kworker/1:2H+kblockd07:45:031
2009656993230,1cyclictest1272-21snmpd12:23:201
2009656993229,2cyclictest2096573-21kworker/u8:1+flush-179:009:35:111
2009656993229,2cyclictest2096573-21kworker/u8:1+events_unbound09:00:151
2009656993229,2cyclictest2022648-21kworker/u8:3+flush-179:007:30:191
2009653993229,2cyclictest1912553-1kworker/0:0H+kblockd09:31:310
2009653993228,3cyclictest2171196-21awk10:15:020
2009653993228,2cyclictest1912553-1kworker/0:0H+kblockd10:30:150
2009653993226,4cyclictest2053962-21ntpq08:00:040
2009653993217,13cyclictest1912553-1kworker/0:0H+kblockd09:20:110
2009653993214,15cyclictest2140707-21cat09:40:020
2009664993130,0cyclictest1272-21snmpd11:35:513
2009664993130,0cyclictest1115878-21isc-net-000010:22:293
2009664993130,0cyclictest1115878-21isc-net-000010:22:293
2009664993129,1cyclictest1903124-1kworker/3:0H+kblockd08:21:113
2009664993128,2cyclictest2273855-21kworker/u8:0+events_unbound12:17:223
2009664993128,2cyclictest2096573-21kworker/u8:1+flush-179:009:00:333
2009664993127,3cyclictest2148667-21kworker/u8:0+flush-179:010:25:313
2009658993126,4cyclictest2136363-21/usr/share/muni09:35:032
2009656993130,0cyclictest2161076-21awk10:00:211
2009656993129,1cyclictest1272-21snmpd09:54:451
2009656993129,1cyclictest1272-21snmpd08:54:161
2009656993129,1cyclictest1272-21snmpd08:18:461
2009656993128,2cyclictest2110473-21kworker/u8:0+flush-179:009:10:251
2009656993128,2cyclictest1668293-1kworker/1:2H+kblockd10:10:021
2009656993127,3cyclictest2268589-21kworker/u8:3+flush-179:012:15:061
2009653993130,1cyclictest2149149-21kworker/0:1+pm11:54:250
2009653993128,2cyclictest1912553-1kworker/0:0H+kblockd11:35:100
2009653993128,2cyclictest1912553-1kworker/0:0H+kblockd09:35:160
2009653993128,2cyclictest1912553-1kworker/0:0H+kblockd08:28:170
2009664993028,1cyclictest1272-21snmpd11:31:453
2009664993028,1cyclictest1272-21snmpd11:31:443
2009664993027,2cyclictest2151295-21/usr/sbin/munin09:50:153
2009664993027,2cyclictest2096573-21kworker/u8:1+events_unbound09:20:083
2009656993029,0cyclictest1272-21snmpd09:28:531
2009656993028,1cyclictest1668293-1kworker/1:2H+kblockd08:56:101
2009656993028,1cyclictest1272-21snmpd12:35:381
2009656993027,2cyclictest2009422-21kworker/u8:1+events_unbound08:00:561
2009656993026,3cyclictest2520578-21systemd-journal09:20:001
2009653993029,1cyclictest2149149-21kworker/0:1+pm10:59:020
2009653993029,0cyclictest2273022-21awk12:10:210
2009653993028,1cyclictest1272-21snmpd07:46:160
2009664992924,4cyclictest2153590-21/usr/share/muni09:55:033
2009656992929,0cyclictest1272-21snmpd11:39:061
2009656992929,0cyclictest1272-21snmpd07:41:341
2009653992925,3cyclictest1272-21snmpd10:20:130
2009653992925,3cyclictest1272-21snmpd10:20:120
2009653992925,2cyclictest1912553-1kworker/0:0H+kblockd10:35:120
2009656992828,0cyclictest1272-21snmpd12:33:381
2009656992825,2cyclictest2061651-21kworker/u8:2+flush-179:008:31:311
2009664992726,1cyclictest1272-21snmpd10:05:153
2009656992723,3cyclictest2212011-21apt-get11:00:141
2009656992623,2cyclictest2138962-21kworker/u8:3+flush-179:010:45:161
2009656992525,0cyclictest1272-21snmpd12:05:191
2009656992525,0cyclictest1272-21snmpd07:18:451
2009656992522,2cyclictest1992024-21kworker/u8:2+flush-179:007:55:221
2009656992320,2cyclictest2156373-21cat09:55:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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