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2025-06-07 - 04:50
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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 Fri Jun 06, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20472232238209,19sleep10-21swapper/107:06:101
20473242231181,40sleep00-21swapper/007:07:300
20474672225197,18sleep20-21swapper/207:09:182
20474632225193,20sleep30-21swapper/307:09:153
2047653997470,2cyclictest2130357-21df_inode08:45:011
2047653997257,13cyclictest2182534-21snmp_wanpowerct09:45:021
2047658996750,15cyclictest2182436-21chrome09:45:023
2047653995252,0cyclictest2077026-21awk07:40:171
2047653995248,3cyclictest2129988-21latency_hist08:45:021
2047656995137,2cyclictest2052479-21kworker/2:3+pm08:45:122
204765399490,2cyclictest2312042-21snmp_ryswitch2.12:15:011
2047649994643,2cyclictest2259761-21kworker/u8:2+flush-179:011:15:270
2047658994440,3cyclictest2234422-21CacheThread_Blo10:45:013
2047658994341,1cyclictest1920088-1kworker/3:0H+kblockd09:40:123
2047658994338,4cyclictest2260149-21/usr/share/muni11:15:093
2047656994330,2cyclictest2052479-21kworker/2:3+pm08:25:122
2047656994238,3cyclictest2016629-21kworker/u8:0+flush-179:007:35:052
2047656994138,2cyclictest17550irq/16-i2c_designware.007:45:012
2047656994136,4cyclictest2212633-21kworker/u8:0+flush-179:010:25:082
23133832400,1sleep00-21swapper/012:15:080
204765899400,11cyclictest2312104-21snmp_wanswitch.12:15:013
2047656994037,2cyclictest2142741-21kworker/2:1+pm09:05:502
2047656994037,2cyclictest2052479-21kworker/2:3+pm07:56:302
2047656994037,1cyclictest2052479-21kworker/2:3+pm08:40:242
2047656994036,2cyclictest2273182-21kworker/2:1+pm11:45:042
2047656994036,2cyclictest2052479-21kworker/2:3+pm07:30:162
2047656994029,1cyclictest1115878-21isc-net-000010:34:122
2047656994027,1cyclictest2182726-21awk09:45:022
2047653994037,2cyclictest2211942-31munin-html10:15:281
2047658993932,6cyclictest1920088-1kworker/3:0H+kblockd10:34:193
2047656993937,1cyclictest2196453-21kworker/2:2+pm11:10:282
2047656993937,1cyclictest2052479-21kworker/2:3+pm08:55:192
2047656993937,1cyclictest2052479-21kworker/2:3+pm08:50:062
2047656993937,1cyclictest2052479-21kworker/2:3+pm08:01:452
2047656993936,2cyclictest2196453-21kworker/2:2+pm11:00:012
2047649993936,2cyclictest2103142-21kworker/u8:3+events_unbound08:30:100
2047649993936,2cyclictest2103142-21kworker/u8:3+events_unbound08:30:100
2047658993835,2cyclictest1920088-1kworker/3:0H+kblockd11:55:033
2047656993837,1cyclictest2196453-21kworker/2:2+pm10:50:402
2047656993836,1cyclictest2142741-21kworker/2:1+pm09:00:522
2047656993836,1cyclictest2052479-21kworker/2:3+pm08:30:422
2047656993836,1cyclictest2052479-21kworker/2:3+pm08:30:412
2047656993836,1cyclictest2052479-21kworker/2:3+pm07:50:032
2047656993836,1cyclictest2052479-21kworker/2:3+pm07:21:062
2047656993835,2cyclictest2273182-21kworker/2:1+pm12:15:002
2047656993835,2cyclictest2177615-21kworker/2:0+pm10:00:032
2047656993835,2cyclictest2052479-21kworker/2:3+pm08:15:042
2047656993834,3cyclictest2052479-21kworker/2:3+pm07:25:162
2047656993834,3cyclictest2021739-21kworker/2:1+pm07:10:242
2047656993834,2cyclictest2196453-21kworker/2:2+pm10:45:022
204765699381,25cyclictest2112539-31munin-html08:20:352
2047653993834,3cyclictest2236193-21ThreadPoolForeg10:45:121
2047653993834,2cyclictest1987892-1kworker/1:0H+kblockd09:00:011
2047653993833,4cyclictest2298567-21latency_hist12:00:011
2047649993836,1cyclictest1996846-21kworker/0:2+pm08:41:270
2047649993835,2cyclictest2016629-21kworker/u8:0+flush-179:007:35:270
2047649993835,2cyclictest1897858-1kworker/0:1H+kblockd11:30:030
2047658993735,1cyclictest2016050-21kworker/3:0+pm07:12:103
2047658993734,2cyclictest1920088-1kworker/3:0H+kblockd12:37:033
2047658993734,2cyclictest1920088-1kworker/3:0H+kblockd07:31:473
2047658993733,3cyclictest2201865-21kworker/u8:3+flush-179:010:15:013
2047658993732,4cyclictest2113208-21/usr/share/muni08:25:043
2047658993732,4cyclictest2064974-31munin-html07:25:273
2047656993736,1cyclictest2196453-21kworker/2:2+pm11:06:342
2047656993735,1cyclictest2273182-21kworker/2:1+pm12:38:402
2047656993735,1cyclictest2196453-21kworker/2:2+pm11:20:122
2047656993735,1cyclictest2196453-21kworker/2:2+pm10:55:372
2047656993735,1cyclictest2177615-21kworker/2:0+pm09:50:482
2047656993735,1cyclictest2164454-21kworker/2:2+pm09:30:112
2047656993735,1cyclictest2142741-21kworker/2:1+pm09:15:582
2047656993735,1cyclictest2142741-21kworker/2:1+pm09:10:122
2047656993734,2cyclictest2177615-21kworker/2:0+pm09:40:112
2047656993734,2cyclictest2052479-21kworker/2:3+pm08:05:152
2047656993733,2cyclictest2196453-21kworker/2:2+pm11:25:022
204765699370,2cyclictest2285209-31munin-graph11:40:592
2047653993734,2cyclictest1987892-1kworker/1:0H+kblockd12:14:311
2047653993733,2cyclictest1987892-1kworker/1:0H+kblockd09:10:021
2047653993731,5cyclictest2156818-21ntpq09:15:051
2047653993724,12cyclictest1987892-1kworker/1:0H+kblockd10:03:291
2047649993735,2cyclictest2229809-21kworker/u8:3+flush-179:010:45:280
2047649993735,1cyclictest1996846-21kworker/0:2+pm07:32:460
2047649993735,1cyclictest1897858-1kworker/0:1H+kblockd10:40:110
2047649993734,2cyclictest2016629-21kworker/u8:0+flush-179:007:25:080
2047649993734,2cyclictest1897858-1kworker/0:1H+kblockd10:14:030
2047649993734,2cyclictest1897858-1kworker/0:1H+kblockd07:55:300
2047649993734,1cyclictest1897858-1kworker/0:1H+kblockd07:50:280
2047649993733,2cyclictest1897858-1kworker/0:1H+kblockd10:20:140
2047649993731,5cyclictest2048164-21ntpq07:10:030
2047658993634,1cyclictest2016050-21kworker/3:0+pm09:02:363
2047658993634,1cyclictest1920088-1kworker/3:0H+kblockd12:04:363
2047658993634,1cyclictest1920088-1kworker/3:0H+kblockd11:35:153
2047658993634,1cyclictest1920088-1kworker/3:0H+kblockd10:07:273
2047658993634,1cyclictest1920088-1kworker/3:0H+kblockd08:05:443
2047658993633,2cyclictest1920088-1kworker/3:0H+kblockd10:00:273
2047658993633,2cyclictest1920088-1kworker/3:0H+kblockd07:45:053
2047658993631,4cyclictest2090707-21ntpq07:55:253
2047658993631,3cyclictest2268520-21latency_hist11:25:013
2047656993634,1cyclictest2196453-21kworker/2:2+pm11:18:202
2047656993634,1cyclictest2196453-21kworker/2:2+pm10:05:392
2047656993634,1cyclictest2177615-21kworker/2:0+pm09:55:382
2047656993634,1cyclictest2142741-21kworker/2:1+pm09:20:562
2047656993634,1cyclictest1954545-1kworker/2:1H+kblockd10:11:002
2047656993633,2cyclictest2273182-21kworker/2:1+pm12:25:022
2047656993633,2cyclictest2196453-21kworker/2:2+pm10:35:272
2047656993631,3cyclictest2043069-21kworker/u8:1+flush-179:007:15:062
2047656993623,12cyclictest1272-21snmpd10:20:432
2047653993634,1cyclictest1987892-1kworker/1:0H+kblockd10:39:161
2047653993631,4cyclictest2202500-21ntpq10:05:161
2047649993635,1cyclictest1897858-1kworker/0:1H+kblockd09:13:290
2047649993634,1cyclictest1996846-21kworker/0:2+pm07:41:440
2047649993634,1cyclictest1897858-1kworker/0:1H+kblockd10:00:510
2047649993633,2cyclictest2168886-21kworker/u8:1+flush-179:009:45:120
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd12:00:010
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd09:30:280
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd09:05:140
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd08:50:280
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd08:00:490
2047649993633,2cyclictest1897858-1kworker/0:1H+kblockd07:45:030
2047649993631,4cyclictest2208696-21/usr/share/muni10:15:090
2047658993533,1cyclictest1920088-1kworker/3:0H+kblockd11:14:183
2047658993533,1cyclictest1920088-1kworker/3:0H+kblockd09:59:273
2047658993533,1cyclictest1920088-1kworker/3:0H+kblockd08:59:313
2047658993533,1cyclictest1920088-1kworker/3:0H+kblockd08:54:033
2047658993533,1cyclictest1920088-1kworker/3:0H+kblockd07:19:063
2047658993532,2cyclictest1920088-1kworker/3:0H+kblockd11:05:293
2047656993533,1cyclictest2273182-21kworker/2:1+pm12:05:462
2047656993533,1cyclictest2273182-21kworker/2:1+pm12:00:502
2047656993533,1cyclictest2273182-21kworker/2:1+pm11:55:122
2047656993533,1cyclictest2052479-21kworker/2:3+pm08:11:152
2047653993533,1cyclictest2129904-21kworker/1:2+pm08:53:511
2047653993533,1cyclictest1987892-1kworker/1:0H+kblockd11:54:521
2047653993533,1cyclictest1987892-1kworker/1:0H+kblockd10:42:021
2047653993533,1cyclictest1987892-1kworker/1:0H+kblockd07:55:261
2047653993533,1cyclictest1987892-1kworker/1:0H+kblockd07:15:011
2047653993532,2cyclictest1987892-1kworker/1:0H+kblockd09:55:571
2047653993529,4cyclictest2221820-21ntpq10:30:031
2047649993533,1cyclictest1897858-1kworker/0:1H+kblockd10:05:070
2047649993532,2cyclictest2277470-21awk11:35:030
2047649993532,1cyclictest1897858-1kworker/0:1H+kblockd08:45:190
2047649993531,2cyclictest1897858-1kworker/0:1H+kblockd07:15:160
2047658993433,1cyclictest1920088-1kworker/3:0H+kblockd12:34:153
2047658993432,1cyclictest2129996-21munin-update08:45:023
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd11:43:133
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd11:00:273
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd10:44:153
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd09:36:263
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd08:20:223
2047658993432,1cyclictest1920088-1kworker/3:0H+kblockd08:19:283
2047658993431,2cyclictest1920088-1kworker/3:0H+kblockd08:00:593
2047658993429,4cyclictest2275369-21ntpq11:30:143
2047658993428,4cyclictest2074247-21latency_hist07:40:003
2047656993432,1cyclictest2273182-21kworker/2:1+pm11:50:582
2047656993432,1cyclictest2273182-21kworker/2:1+pm11:39:542
2047656993432,1cyclictest2196453-21kworker/2:2+pm10:41:192
2047656993432,1cyclictest2164454-21kworker/2:2+pm09:25:122
2047656993432,1cyclictest1954545-1kworker/2:1H+kblockd11:34:412
2047656993432,1cyclictest1954545-1kworker/2:1H+kblockd09:35:472
2047656993431,2cyclictest2052479-21kworker/2:3+pm08:35:392
2047656993428,4cyclictest2208911-21munin-node10:15:022
204765699340,1cyclictest2319986-31munin-html12:20:362
2047653993432,1cyclictest2003988-21kworker/1:1+pm07:47:251
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd12:06:001
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd11:35:101
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd10:10:281
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd09:06:361
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd08:21:011
2047653993432,1cyclictest1987892-1kworker/1:0H+kblockd07:26:551
2047653993431,2cyclictest1987892-1kworker/1:0H+kblockd12:33:501
2047653993431,2cyclictest1987892-1kworker/1:0H+kblockd07:32:041
2047653993430,3cyclictest2266615-21apt-get11:20:141
2047649993432,1cyclictest1897858-1kworker/0:1H+kblockd10:26:580
2047649993432,1cyclictest1897858-1kworker/0:1H+kblockd09:00:400
2047649993431,2cyclictest1897858-1kworker/0:1H+kblockd11:50:580
2047649993431,2cyclictest1897858-1kworker/0:1H+kblockd10:35:120
2047649993430,3cyclictest2238854-21/usr/share/muni10:50:050
2047658993332,1cyclictest1920088-1kworker/3:0H+kblockd07:41:063
2047658993331,1cyclictest1920088-1kworker/3:0H+kblockd10:20:073
2047658993330,2cyclictest1920088-1kworker/3:0H+kblockd12:23:273
2047658993330,2cyclictest1920088-1kworker/3:0H+kblockd07:50:283
2047658993329,2cyclictest1920088-1kworker/3:0H+kblockd09:15:003
2047658993329,2cyclictest1272-21snmpd10:10:523
2047656993331,1cyclictest2273182-21kworker/2:1+pm12:30:092
2047653993331,1cyclictest1987892-1kworker/1:0H+kblockd11:42:001
2047653993331,1cyclictest1987892-1kworker/1:0H+kblockd09:41:571
2047653993331,1cyclictest1987892-1kworker/1:0H+kblockd09:35:391
2047653993330,2cyclictest1987892-1kworker/1:0H+kblockd12:35:041
2047649993331,1cyclictest1996846-21kworker/0:2+pm08:11:550
2047658993230,1cyclictest2272837-21kworker/3:1+pm12:29:093
2047658993230,1cyclictest1272-21snmpd11:48:403
2047658993230,1cyclictest1272-21snmpd09:33:303
2047658993230,1cyclictest1272-21snmpd08:14:403
2047658993230,1cyclictest1115878-21isc-net-000008:31:123
2047658993230,1cyclictest1115878-21isc-net-000008:31:113
2047656993230,1cyclictest2273182-21kworker/2:1+pm12:10:202
2047656993230,1cyclictest2052479-21kworker/2:3+pm07:40:052
2047653993231,1cyclictest1987892-1kworker/1:0H+kblockd11:31:471
2047653993231,1cyclictest1987892-1kworker/1:0H+kblockd08:12:121
2047653993230,2cyclictest1987892-1kworker/1:0H+kblockd09:50:171
2047653993230,1cyclictest2173087-21kworker/1:1+pm10:23:511
2047653993230,1cyclictest1272-21snmpd11:25:091
2047653993230,1cyclictest1272-21snmpd11:04:501
2047653993230,1cyclictest1115878-21isc-net-000011:05:111
2047653993229,2cyclictest2117195-21munin-update08:30:271
2047653993229,2cyclictest2117195-21munin-update08:30:271
2047653993229,1cyclictest1272-21snmpd11:47:071
2047649993230,1cyclictest2182410-21ThreadPoolForeg09:45:010
2047649993230,1cyclictest1897858-1kworker/0:1H+kblockd11:05:030
2047649993230,1cyclictest1272-21snmpd08:35:170
2047649993230,1cyclictest1272-21snmpd08:29:130
2047649993229,2cyclictest1897858-1kworker/0:1H+kblockd10:30:010
2047649993229,2cyclictest1897858-1kworker/0:1H+kblockd07:20:000
2047649993229,1cyclictest1897858-1kworker/0:1H+kblockd09:25:280
2047658993130,1cyclictest1272-21snmpd08:40:143
2047658993129,1cyclictest1920088-1kworker/3:0H+kblockd10:35:463
2047658993129,1cyclictest1272-21snmpd12:07:583
2047658993129,1cyclictest1272-21snmpd10:25:573
2047658993129,1cyclictest1115878-21isc-net-000011:53:123
2047658993128,2cyclictest2165287-21awk09:25:033
2047658993128,2cyclictest1920088-1kworker/3:0H+kblockd11:25:103
2047658993128,2cyclictest1920088-1kworker/3:0H+kblockd09:10:023
2047658993128,2cyclictest1272-21snmpd12:10:133
2047658993118,1cyclictest1920088-1kworker/3:0H+kblockd07:20:163
2047653993129,1cyclictest2094568-21awk08:00:171
2047653993129,1cyclictest1987892-1kworker/1:0H+kblockd07:35:121
2047653993129,1cyclictest1272-21snmpd11:18:451
2047653993129,1cyclictest1272-21snmpd11:13:271
2047653993129,1cyclictest1272-21snmpd09:34:571
2047653993129,1cyclictest1272-21snmpd08:28:551
2047649993130,1cyclictest1272-21snmpd11:02:420
2047649993129,1cyclictest2258177-21awk11:10:140
2047649993129,1cyclictest1897858-1kworker/0:1H+kblockd08:18:120
2047649993129,1cyclictest1897858-1kworker/0:1H+kblockd08:05:260
2047649993129,1cyclictest1272-21snmpd12:34:470
2047649993129,1cyclictest1272-21snmpd12:10:040
2047649993129,1cyclictest1272-21snmpd11:47:100
2047649993129,1cyclictest1272-21snmpd10:56:500
2047649993129,1cyclictest1272-21snmpd09:57:220
2047658993029,0cyclictest2245903-21awk10:55:193
2047658993029,0cyclictest1272-21snmpd09:08:113
2047658993028,1cyclictest1272-21snmpd09:23:323
2047653993029,1cyclictest1987892-1kworker/1:0H+kblockd12:25:271
2047653993029,1cyclictest1272-21snmpd09:25:331
2047653993029,0cyclictest1272-21snmpd10:54:261
2047653993028,1cyclictest1987892-1kworker/1:0H+kblockd10:25:471
2047653993028,1cyclictest1272-21snmpd08:36:591
2047653993028,1cyclictest1272-21snmpd07:15:151
2047649993029,0cyclictest1272-21snmpd12:27:500
2047649993028,1cyclictest2316525-21awk12:20:020
2047649993028,1cyclictest2305334-21awk12:05:150
2047649993028,1cyclictest2259761-21kworker/u8:2+flush-179:011:20:140
2047649993028,1cyclictest1272-21snmpd09:50:390
2047649993027,2cyclictest2091366-21kworker/u8:0+flush-179:008:20:140
2047649993027,2cyclictest1897858-1kworker/0:1H+kblockd12:00:030
2047649993027,2cyclictest1897858-1kworker/0:1H+kblockd11:40:270
2047658992929,0cyclictest1272-21snmpd10:50:353
2047658992929,0cyclictest1272-21snmpd09:51:453
2047653992927,1cyclictest1272-21snmpd09:21:241
2047653992926,2cyclictest2238190-21kworker/u8:0+flush-179:010:55:051
2047653992926,2cyclictest1987892-1kworker/1:0H+kblockd07:52:221
2047649992927,1cyclictest2160446-21kworker/0:1+pm09:21:550
2047649992927,1cyclictest1272-21snmpd09:37:480
2047649992927,1cyclictest1272-21snmpd08:55:500
2047658992827,1cyclictest2016050-21kworker/3:0+pm08:36:123
2047653992826,1cyclictest1987892-1kworker/1:0H+kblockd12:21:081
2047653992826,1cyclictest1987892-1kworker/1:0H+kblockd08:06:121
2047653992826,1cyclictest1272-21snmpd12:04:281
2047653992826,1cyclictest1272-21snmpd08:56:581
2047653992824,3cyclictest2107052-21ntpq08:15:161
2047649992725,1cyclictest1272-21snmpd11:29:220
2047649992723,3cyclictest2154623-21kworker/u8:0+flush-179:009:15:080
2047653992522,2cyclictest2057533-21snmp_wlanswitch07:20:021
2047649992521,3cyclictest1272-21snmpd12:35:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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