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2025-11-30 - 22:23
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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 the 792 highest latencies:
System rackbslot2.osadl.org (updated Sun Nov 30, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20350162233180,18sleep10-21swapper/107:09:171
20349372227175,43sleep30-21swapper/307:08:133
20349442225195,20sleep00-21swapper/007:08:190
20346882222192,20sleep20-21swapper/207:05:322
2035398996347,14cyclictest2117808-21snmp_wanswitch.08:45:002
2035401996256,4cyclictest2066048-21latency_hist07:45:013
2035401995750,4cyclictest2221483-21snmp_wanswitch.10:45:013
2035398995249,2cyclictest2091668-21kworker/u8:3+events_unbound08:35:162
2035398995146,3cyclictest2053251-21kworker/u8:2+events_unbound08:20:152
2035401995045,3cyclictest2036893-21apt-get07:10:073
2035398995047,2cyclictest2243519-21kworker/u8:4+events_unbound11:10:152
2035397995041,8cyclictest2091668-21kworker/u8:3+flush-179:008:55:061
2035393995044,4cyclictest2066334-21CacheThread_Blo07:45:000
2035398994946,2cyclictest2183266-21kworker/u8:2+flush-179:011:50:062
2035393994943,4cyclictest2066269-21chrome07:45:010
2035398994844,3cyclictest2057357-21kworker/u8:4+flush-179:007:40:112
2035393994733,13cyclictest2013346-1kworker/0:2H+kblockd11:53:010
21136772460,1chrt2113670-21ntp_states08:40:033
2035398994643,2cyclictest2212317-21kworker/u8:1+flush-179:011:00:062
2035398994643,2cyclictest2156132-21kworker/u8:3+events_unbound10:05:142
2035398994643,2cyclictest2139033-21kworker/u8:2+flush-179:009:35:152
2035393994642,3cyclictest2117805-21Chrome_ChildIOT08:45:070
2035401994541,3cyclictest2265861-21cat11:35:123
2035398994542,2cyclictest2302644-21kworker/u8:1+flush-179:012:25:282
2035398994542,2cyclictest2183266-21kworker/u8:2+events_unbound11:25:142
2035397994532,12cyclictest2017781-1kworker/1:1H+kblockd07:48:171
2035398994441,2cyclictest2173498-21kworker/u8:1+flush-179:010:00:152
2035398994437,5cyclictest2217130-21/usr/share/muni10:40:082
2035398994436,3cyclictest2156132-21kworker/u8:3+events_unbound09:50:152
2035398994340,2cyclictest2266945-21kworker/u8:3+events_unbound11:40:162
2035398994338,3cyclictest2156132-21kworker/u8:3+events_unbound10:35:092
2035397994339,2cyclictest2221447-21exe10:45:011
2035398994239,2cyclictest2156132-21kworker/u8:3+flush-179:010:30:122
2035398994239,2cyclictest2053251-21kworker/u8:2+events_unbound07:45:262
2035393994236,4cyclictest2221446-21chrome10:45:010
2035401994136,3cyclictest2121952-21latency_hist08:50:003
2035398994138,2cyclictest2272670-21kworker/u8:1+events_unbound12:05:262
2035398994138,2cyclictest2272670-21kworker/u8:1+events_unbound12:05:262
2035398994137,2cyclictest2212568-21kworker/2:0+pm11:05:032
2035397994137,3cyclictest2265860-21cat11:35:121
2035401994036,3cyclictest2057357-21kworker/u8:4+events_unbound07:55:153
2035398994037,2cyclictest2260994-21kworker/2:2+pm12:00:402
2035398994037,2cyclictest2053251-21kworker/u8:2+events_unbound08:30:072
2035398994023,15cyclictest2221471-21/usr/share/muni10:45:022
203539899401,6cyclictest2039818-21munin-node07:15:052
2035393994038,1cyclictest2013346-1kworker/0:2H+kblockd12:36:570
2035393994036,3cyclictest2221157-21latency_hist10:45:010
2035401993935,3cyclictest2303306-21/usr/share/muni12:20:133
2035401993933,5cyclictest2294372-21/usr/share/muni12:10:143
2035401993928,10cyclictest1318-21snmpd07:37:283
2035398993937,1cyclictest2030957-21kworker/2:0+pm08:57:272
2035398993937,1cyclictest2030957-21kworker/2:0+pm08:52:532
2035398993936,2cyclictest2189316-21kworker/u8:0+events_unbound10:10:152
2035398993936,2cyclictest2156472-21kworker/2:1+pm09:42:382
2035398993935,3cyclictest2139033-21kworker/u8:2+events_unbound09:45:212
2035398993935,2cyclictest2156472-21kworker/2:1+pm10:20:382
2035397993922,16cyclictest2268328-21munin-update11:40:261
2035401993836,1cyclictest2119270-21kworker/3:2+pm11:16:553
2035401993836,1cyclictest2070199-21kworker/3:0+pm08:25:223
2035401993835,2cyclictest2212317-21kworker/u8:1+events_unbound11:00:003
2035401993835,2cyclictest2156132-21kworker/u8:3+flush-179:010:35:063
2035401993834,3cyclictest2302644-21kworker/u8:1+events_unbound12:30:033
2035398993836,1cyclictest2260994-21kworker/2:2+pm12:20:272
2035398993836,1cyclictest2212568-21kworker/2:0+pm10:55:292
2035398993836,1cyclictest2156472-21kworker/2:1+pm09:30:272
2035398993835,2cyclictest2260994-21kworker/2:2+pm12:15:282
2035398993835,2cyclictest2260994-21kworker/2:2+pm11:55:012
2035398993835,2cyclictest2212568-21kworker/2:0+pm11:15:292
2035398993835,2cyclictest2183266-21kworker/u8:2+events_unbound11:20:322
2035398993835,2cyclictest2156472-21kworker/2:1+pm09:57:092
2035398993835,2cyclictest2139005-21kworker/2:0+pm09:17:312
2035398993835,2cyclictest2130254-21kworker/2:2+pm09:00:032
2035398993835,2cyclictest2057357-21kworker/u8:4+events_unbound08:15:042
2035398993835,2cyclictest2030957-21kworker/2:0+pm08:03:022
2035398993834,3cyclictest2053251-21kworker/u8:2+events_unbound08:40:022
2035398993834,2cyclictest2030957-21kworker/2:0+pm08:10:122
2035398993834,2cyclictest2030957-21kworker/2:0+pm08:10:122
2035398993834,2cyclictest1689870-1kworker/2:1H+kblockd12:30:032
2035398993831,2cyclictest2139033-21kworker/u8:2+events_unbound09:20:092
2035393993835,2cyclictest2013346-1kworker/0:2H+kblockd11:27:250
2035393993834,3cyclictest2233548-31munin-html10:55:300
203540199370,36cyclictest0-21swapper/310:51:543
2035398993735,1cyclictest2130254-21kworker/2:2+pm09:10:322
2035398993734,2cyclictest2030957-21kworker/2:0+pm07:29:592
2035398993733,3cyclictest2243519-21kworker/u8:4+flush-179:011:30:202
2035398993733,3cyclictest2139005-21kworker/2:0+pm09:25:042
2035398993733,2cyclictest1689870-1kworker/2:1H+kblockd08:27:342
2035397993736,1cyclictest2017781-1kworker/1:1H+kblockd11:26:141
2035397993734,2cyclictest2017781-1kworker/1:1H+kblockd12:23:261
2035397993734,2cyclictest2017781-1kworker/1:1H+kblockd09:18:361
2035393993734,2cyclictest2134795-21kworker/0:2+pm09:15:090
2035393993734,2cyclictest2013346-1kworker/0:2H+kblockd12:12:530
2035393993734,2cyclictest2013346-1kworker/0:2H+kblockd09:27:030
2035393993734,2cyclictest2013346-1kworker/0:2H+kblockd08:45:000
2035393993733,2cyclictest2013346-1kworker/0:2H+kblockd07:35:160
2035393993732,4cyclictest2178530-21ntpq09:55:040
21394122360,1chrt2139395-21snmp_wlanswitch09:10:031
2035401993634,1cyclictest1720299-1kworker/3:2H+kblockd11:47:023
2035401993634,1cyclictest1720299-1kworker/3:2H+kblockd09:51:253
2035401993634,1cyclictest1720299-1kworker/3:2H+kblockd08:14:253
2035401993634,1cyclictest1720299-1kworker/3:2H+kblockd08:14:253
2035401993633,2cyclictest1720299-1kworker/3:2H+kblockd11:56:003
2035401993633,2cyclictest1720299-1kworker/3:2H+kblockd07:25:033
2035401993633,1cyclictest1720299-1kworker/3:2H+kblockd08:52:253
2035398993634,1cyclictest1689870-1kworker/2:1H+kblockd12:10:292
2035398993634,1cyclictest1689870-1kworker/2:1H+kblockd07:57:182
2035398993633,2cyclictest2212317-21kworker/u8:1+events_unbound10:50:102
2035398993633,2cyclictest2125595-21kworker/u8:0+events_unbound09:05:202
2035398993633,2cyclictest2030957-21kworker/2:0+pm08:05:042
2035398993633,2cyclictest2030957-21kworker/2:0+pm07:52:322
2035398993632,3cyclictest2156132-21kworker/u8:3+flush-179:010:15:112
2035398993612,3cyclictest2057202-31munin-html07:32:142
2035398993610,25cyclictest2267954-31munin-graph11:35:522
2035397993634,1cyclictest2017781-1kworker/1:1H+kblockd12:34:541
2035397993634,1cyclictest2017781-1kworker/1:1H+kblockd07:34:011
2035397993633,2cyclictest2017781-1kworker/1:1H+kblockd12:02:241
2035397993633,2cyclictest2017781-1kworker/1:1H+kblockd10:52:071
2035397993633,2cyclictest2017781-1kworker/1:1H+kblockd09:33:581
2035397993633,2cyclictest2017781-1kworker/1:1H+kblockd07:35:491
2035397993633,1cyclictest0-21swapper/111:57:231
2035397993625,1cyclictest1318-21snmpd09:35:221
2035393993635,1cyclictest2013346-1kworker/0:2H+kblockd08:34:000
2035393993634,2cyclictest2013346-1kworker/0:2H+kblockd09:11:090
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd11:40:490
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd10:28:120
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd09:08:410
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd08:29:350
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd07:30:200
2035393993634,1cyclictest2013346-1kworker/0:2H+kblockd07:16:040
2035393993633,2cyclictest2013346-1kworker/0:2H+kblockd09:46:350
2035401993533,1cyclictest1720299-1kworker/3:2H+kblockd09:02:063
2035401993533,1cyclictest1720299-1kworker/3:2H+kblockd09:00:003
2035401993533,1cyclictest1720299-1kworker/3:2H+kblockd07:45:153
2035401993532,2cyclictest1720299-1kworker/3:2H+kblockd12:00:033
2035398993532,2cyclictest2260994-21kworker/2:2+pm11:45:032
2035398993532,2cyclictest2029466-21kworker/u8:3+events_unbound07:20:152
2035398993520,14cyclictest2294180-21kworker/u8:3+events_unbound12:35:102
2035397993533,2cyclictest2017781-1kworker/1:1H+kblockd12:37:061
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd11:20:181
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd10:33:121
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd10:23:121
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd09:29:521
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd09:20:571
2035397993533,1cyclictest2017781-1kworker/1:1H+kblockd08:44:541
2035397993532,2cyclictest2017781-1kworker/1:1H+kblockd08:47:061
2035397993531,3cyclictest2017781-1kworker/1:1H+kblockd08:00:341
2035393993534,1cyclictest2013346-1kworker/0:2H+kblockd09:36:060
2035393993533,1cyclictest2303006-21kworker/0:0+pm12:21:500
2035393993533,1cyclictest2013346-1kworker/0:2H+kblockd10:05:030
2035393993533,1cyclictest2013346-1kworker/0:2H+kblockd09:42:340
2035393993533,1cyclictest2013346-1kworker/0:2H+kblockd08:55:420
2035393993533,1cyclictest1318-21snmpd08:02:480
2035393993532,2cyclictest2013346-1kworker/0:2H+kblockd10:20:040
2035393993532,2cyclictest2013346-1kworker/0:2H+kblockd07:55:580
2035393993531,2cyclictest2013346-1kworker/0:2H+kblockd09:50:010
2035393993530,4cyclictest2212845-21/usr/share/muni10:35:090
2035393993529,5cyclictest2285852-21/usr/share/muni12:00:020
2035401993433,1cyclictest1720299-1kworker/3:2H+kblockd11:12:513
2035401993432,1cyclictest2119270-21kworker/3:2+pm10:15:113
2035401993432,1cyclictest2070199-21kworker/3:0+pm08:30:303
2035401993432,1cyclictest1720299-1kworker/3:2H+kblockd09:57:473
2035401993432,1cyclictest1720299-1kworker/3:2H+kblockd09:05:363
2035401993432,1cyclictest1720299-1kworker/3:2H+kblockd07:20:463
2035401993431,2cyclictest1720299-1kworker/3:2H+kblockd07:32:183
2035401993428,5cyclictest2307640-21/usr/share/muni12:25:033
2035401993421,12cyclictest2043352-21cat07:15:193
2035398993430,3cyclictest2183266-21kworker/u8:2+events_unbound10:25:042
2035397993433,1cyclictest2017781-1kworker/1:1H+kblockd11:34:061
2035397993433,1cyclictest2017781-1kworker/1:1H+kblockd10:07:591
2035397993433,1cyclictest2017781-1kworker/1:1H+kblockd09:01:001
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd10:36:421
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd10:16:331
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd10:12:011
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd10:03:411
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd09:46:151
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd08:25:371
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd08:17:181
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd08:09:261
2035397993432,1cyclictest2017781-1kworker/1:1H+kblockd07:51:511
2035393993433,1cyclictest2134795-21kworker/0:2+pm11:14:130
2035393993433,1cyclictest2013346-1kworker/0:2H+kblockd12:18:550
2035393993433,1cyclictest2013346-1kworker/0:2H+kblockd11:21:200
2035393993432,1cyclictest2013346-1kworker/0:2H+kblockd10:53:440
2035393993432,1cyclictest2013346-1kworker/0:2H+kblockd10:12:260
2035393993432,1cyclictest2013346-1kworker/0:2H+kblockd08:19:320
2035393993432,1cyclictest2013346-1kworker/0:2H+kblockd07:20:320
21921602330,1chrt2192161-21ntpq10:10:083
2035401993332,1cyclictest1720299-1kworker/3:2H+kblockd12:18:193
2035401993331,1cyclictest2119270-21kworker/3:2+pm11:40:263
2035401993331,1cyclictest1720299-1kworker/3:2H+kblockd11:51:233
2035401993331,1cyclictest1720299-1kworker/3:2H+kblockd08:19:443
2035401993331,1cyclictest1720299-1kworker/3:2H+kblockd08:06:243
2035401993331,1cyclictest1720299-1kworker/3:2H+kblockd08:02:233
2035401993330,2cyclictest2156132-21kworker/u8:3+flush-179:010:30:163
2035401993330,2cyclictest1720299-1kworker/3:2H+kblockd09:47:113
2035397993332,1cyclictest2017781-1kworker/1:1H+kblockd12:27:061
2035397993332,1cyclictest2017781-1kworker/1:1H+kblockd10:59:341
2035397993332,1cyclictest2017781-1kworker/1:1H+kblockd09:54:221
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd11:46:141
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd11:07:491
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd10:42:191
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd09:06:101
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd08:54:301
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd08:36:141
2035397993331,1cyclictest2017781-1kworker/1:1H+kblockd07:44:561
2035397993330,2cyclictest2017781-1kworker/1:1H+kblockd07:24:451
2035397993328,4cyclictest2291170-21apt-get12:05:071
2035397993328,4cyclictest2291170-21apt-get12:05:071
2035393993332,1cyclictest2134795-21kworker/0:2+pm10:31:520
2035393993332,1cyclictest2013346-1kworker/0:2H+kblockd08:54:420
2035393993331,1cyclictest2303006-21kworker/0:0+pm12:26:550
2035393993331,1cyclictest2013346-1kworker/0:2H+kblockd12:32:460
2035393993331,1cyclictest2013346-1kworker/0:2H+kblockd11:59:330
2035393993331,1cyclictest2013346-1kworker/0:2H+kblockd11:08:360
2035393993331,1cyclictest2013346-1kworker/0:2H+kblockd10:17:110
2035393993331,1cyclictest2013346-1kworker/0:2H+kblockd08:06:450
2035393993330,2cyclictest2013346-1kworker/0:2H+kblockd11:04:500
2035401993230,1cyclictest1720299-1kworker/3:2H+kblockd12:06:053
2035401993230,1cyclictest1720299-1kworker/3:2H+kblockd12:06:053
2035401993230,1cyclictest1720299-1kworker/3:2H+kblockd09:27:083
2035401993230,1cyclictest1720299-1kworker/3:2H+kblockd09:10:593
2035401993229,2cyclictest1720299-1kworker/3:2H+kblockd11:25:553
2035398993229,2cyclictest2030957-21kworker/2:0+pm07:35:062
2035398993210,21cyclictest2039580-31munin-graph07:12:342
2035397993231,1cyclictest2017781-1kworker/1:1H+kblockd11:17:411
2035397993231,1cyclictest2017781-1kworker/1:1H+kblockd10:28:071
2035397993231,1cyclictest2017781-1kworker/1:1H+kblockd07:15:411
2035397993230,1cyclictest1318-21snmpd11:53:541
2035397993230,1cyclictest1318-21snmpd07:25:241
2035397993229,2cyclictest2139033-21kworker/u8:2+events_unbound09:40:131
2035397993227,3cyclictest2104896-21/usr/share/muni08:30:031
2035393993231,1cyclictest2013346-1kworker/0:2H+kblockd11:46:370
2035393993231,1cyclictest2013346-1kworker/0:2H+kblockd09:04:410
2035393993230,1cyclictest2134795-21kworker/0:2+pm09:20:220
2035393993230,1cyclictest2013346-1kworker/0:2H+kblockd11:38:360
2035393993230,1cyclictest2013346-1kworker/0:2H+kblockd07:14:490
2035393993229,2cyclictest2013346-1kworker/0:2H+kblockd10:04:000
2035401993130,1cyclictest2119270-21kworker/3:2+pm11:34:003
2035401993130,1cyclictest1720299-1kworker/3:2H+kblockd11:24:393
2035401993129,1cyclictest1318-21snmpd10:00:023
2035401993129,1cyclictest1318-21snmpd09:38:073
2035401993128,2cyclictest2205924-21awk10:25:123
2035397993130,1cyclictest2017781-1kworker/1:1H+kblockd11:03:361
2035397993129,1cyclictest2017781-1kworker/1:1H+kblockd08:21:481
2035397993129,1cyclictest2017781-1kworker/1:1H+kblockd07:12:411
2035397993129,1cyclictest1318-21snmpd09:57:221
2035393993130,1cyclictest2013346-1kworker/0:2H+kblockd09:31:110
2035393993130,1cyclictest1318-21snmpd08:38:030
2035393993129,1cyclictest2013346-1kworker/0:2H+kblockd08:11:130
2035393993129,1cyclictest2013346-1kworker/0:2H+kblockd08:11:130
2035393993129,1cyclictest1318-21snmpd07:29:360
2035401993028,1cyclictest2146103-21awk09:15:163
2035401993027,2cyclictest1720299-1kworker/3:2H+kblockd10:20:533
2035401993027,2cyclictest1720299-1kworker/3:2H+kblockd09:42:063
2035401993025,4cyclictest47022-21systemd-journal12:35:203
2035397993029,0cyclictest2299681-21awk12:15:081
2035397993028,1cyclictest1318-21snmpd11:11:491
2035397993027,2cyclictest2017781-1kworker/1:1H+kblockd08:10:041
2035397993027,2cyclictest2017781-1kworker/1:1H+kblockd08:10:041
2035393993029,0cyclictest1318-21snmpd07:54:210
2035393993028,1cyclictest1318-21snmpd12:06:570
2035393993028,1cyclictest1318-21snmpd12:06:570
2035393993028,1cyclictest1318-21snmpd11:30:140
2035393993028,1cyclictest1318-21snmpd08:24:560
2035393993025,4cyclictest2247172-21/usr/share/muni11:15:020
2035401992928,1cyclictest1720299-1kworker/3:2H+kblockd10:44:133
21093552280,1chrt2109345-21ntpq08:35:013
2035401992827,1cyclictest1318-21snmpd11:00:583
2035401992826,1cyclictest1318-21snmpd07:52:283
2035397992827,1cyclictest1318-21snmpd12:10:281
2035397992826,1cyclictest2077822-21awk07:55:191
2035401992727,0cyclictest1318-21snmpd09:24:553
2035401992725,1cyclictest2183266-21kworker/u8:2+flush-179:011:05:123
2035401992724,2cyclictest2119270-21kworker/3:2+pm09:33:533
2035401992724,2cyclictest2053251-21kworker/u8:2+flush-179:008:20:253
2035401992622,3cyclictest2189451-21diskstats10:05:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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