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2025-08-30 - 15:46
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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 Sat Aug 30, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
972862266212,19sleep00-21swapper/007:06:520
975322246194,41sleep20-21swapper/207:10:002
974132235185,41sleep30-21swapper/307:08:323
973912233195,29sleep10-21swapper/107:08:151
9774199874,82cyclictest232942-21chrome09:45:023
9773999773,72cyclictest232988-21snmp_wlanswitch09:45:012
9774199561,2cyclictest128762-13chrome07:45:013
9774199561,2cyclictest128762-13chrome07:45:013
97731995349,3cyclictest326664-21kworker/u8:1+events_unbound11:55:150
97739994946,2cyclictest128847-21snmp_wanpowerct07:45:012
97739994946,2cyclictest128847-21snmp_wanpowerct07:45:002
97731994744,2cyclictest131726-21kworker/u8:1+flush-179:007:50:050
97734994642,3cyclictest314805-21kworker/u8:3+flush-179:011:50:151
97741994432,10cyclictest336983-21snmp_wanswitch.11:45:023
97739994433,11cyclictest280365-21kworker/2:1+pm11:42:522
97734994440,3cyclictest223451-21kworker/u8:3+flush-179:009:50:271
97731994441,2cyclictest293285-21kworker/u8:1+events_unbound10:55:140
97739994332,9cyclictest223928-21/usr/share/muni09:35:012
97734994339,3cyclictest46386-21kworker/u8:0+flush-179:007:30:141
97731994339,3cyclictest223451-21kworker/u8:3+events_unbound09:40:010
97739994137,3cyclictest354117-21munin-update12:05:282
9773999410,1cyclictest0-21swapper/208:45:012
97734994138,2cyclictest46386-21kworker/u8:0+events_unbound08:10:101
97734994138,2cyclictest367757-21kworker/u8:4+flush-179:012:35:061
97731994137,3cyclictest310424-21kworker/u8:0+flush-179:011:30:050
97731994135,4cyclictest276485-21/usr/share/muni10:35:040
97739994038,1cyclictest82062-21kworker/2:1+pm07:20:592
97739994037,2cyclictest337224-21kworker/2:2+pm12:30:162
97739994036,3cyclictest251623-21kworker/2:1+pm10:20:032
97739994035,4cyclictest187737-21kworker/2:0+pm09:05:572
97731994037,2cyclictest141427-21kworker/u8:3+flush-179:008:20:060
97741993928,10cyclictest4146925-1kworker/3:2H+kblockd10:35:043
97739993937,1cyclictest280365-21kworker/2:1+pm10:55:292
97739993937,1cyclictest280365-21kworker/2:1+pm10:50:002
97739993936,2cyclictest82062-21kworker/2:1+pm08:25:012
97739993935,3cyclictest214713-21kworker/2:2+pm09:25:472
97734993935,3cyclictest254553-21kworker/u8:2+flush-179:010:15:281
97734993934,3cyclictest175558-21kworker/u8:2+flush-179:009:15:021
97731993936,2cyclictest223451-21kworker/u8:3+events_unbound09:45:010
97741993837,1cyclictest189077-21kworker/3:1+pm09:09:363
9774199381,37cyclictest0-21swapper/308:15:153
97739993837,1cyclictest280365-21kworker/2:1+pm11:17:032
97739993837,1cyclictest280365-21kworker/2:1+pm11:02:032
97739993836,1cyclictest82062-21kworker/2:1+pm08:06:152
97739993836,1cyclictest82062-21kworker/2:1+pm07:35:122
97739993836,1cyclictest280365-21kworker/2:1+pm10:50:472
97739993836,1cyclictest251623-21kworker/2:1+pm10:11:102
97739993836,1cyclictest251623-21kworker/2:1+pm10:11:102
97739993836,1cyclictest214713-21kworker/2:2+pm09:40:162
97739993836,1cyclictest187737-21kworker/2:0+pm08:55:432
97739993835,2cyclictest82062-21kworker/2:1+pm08:20:012
97739993835,2cyclictest337224-21kworker/2:2+pm12:00:052
97739993835,2cyclictest245623-21kworker/2:0+pm10:01:532
97739993835,2cyclictest187737-21kworker/2:0+pm09:00:122
9773999380,13cyclictest106219-31munin-html07:15:292
97734993835,2cyclictest293285-21kworker/u8:1+flush-179:011:10:301
97731993837,1cyclictest367044-21kworker/0:0+pm12:35:100
97731993834,2cyclictest80175-1kworker/0:2H+kblockd07:40:060
97731993833,4cyclictest293262-21latency_hist10:55:010
97741993734,2cyclictest4146925-1kworker/3:2H+kblockd12:14:353
97741993734,2cyclictest4146925-1kworker/3:2H+kblockd10:53:503
97741993734,2cyclictest4146925-1kworker/3:2H+kblockd10:00:543
97741993734,2cyclictest4146925-1kworker/3:2H+kblockd09:17:123
97741993732,4cyclictest4146925-1kworker/3:2H+kblockd11:14:193
97741993731,5cyclictest4146925-1kworker/3:2H+kblockd09:10:283
97741993728,8cyclictest4146925-1kworker/3:2H+kblockd11:00:053
97739993736,1cyclictest187737-21kworker/2:0+pm09:11:152
97739993735,1cyclictest3187468-1kworker/2:1H+kblockd11:50:432
97739993735,1cyclictest280365-21kworker/2:1+pm11:25:392
97739993735,1cyclictest271618-21kworker/2:0+pm10:40:572
97739993735,1cyclictest187737-21kworker/2:0+pm09:15:152
97739993734,2cyclictest337224-21kworker/2:2+pm12:20:112
97739993734,2cyclictest3187468-1kworker/2:1H+kblockd07:10:252
97739993733,2cyclictest82062-21kworker/2:1+pm07:30:042
97739993731,5cyclictest3187468-1kworker/2:1H+kblockd08:35:222
97734993734,2cyclictest71117-21kworker/1:2+pm07:20:101
97734993734,2cyclictest3882144-1kworker/1:0H+kblockd08:26:131
97734993734,2cyclictest3882144-1kworker/1:0H+kblockd08:00:041
97731993734,2cyclictest80175-1kworker/0:2H+kblockd12:11:270
97731993733,3cyclictest241279-21kworker/u8:0+flush-179:010:40:160
97741993634,1cyclictest4146925-1kworker/3:2H+kblockd07:39:213
97741993634,1cyclictest254528-21kworker/3:1+pm10:58:083
97741993633,2cyclictest4146925-1kworker/3:2H+kblockd12:01:543
97741993633,2cyclictest4146925-1kworker/3:2H+kblockd08:35:003
97741993632,3cyclictest145793-21latency_hist08:05:003
97741993631,3cyclictest271721-21latency_hist10:30:003
97741993631,3cyclictest193632-21/usr/share/muni09:00:153
97739993634,1cyclictest3187468-1kworker/2:1H+kblockd08:50:482
97739993634,1cyclictest280365-21kworker/2:1+pm11:30:052
97739993634,1cyclictest280365-21kworker/2:1+pm11:10:232
97739993634,1cyclictest271618-21kworker/2:0+pm10:30:012
97739993633,2cyclictest3187468-1kworker/2:1H+kblockd11:21:422
97739993633,2cyclictest3187468-1kworker/2:1H+kblockd09:55:292
97739993631,4cyclictest267699-21/usr/share/muni10:25:022
97734993634,1cyclictest3882144-1kworker/1:0H+kblockd09:00:291
97734993634,1cyclictest3882144-1kworker/1:0H+kblockd08:56:271
97734993633,2cyclictest3882144-1kworker/1:0H+kblockd11:20:051
97734993633,2cyclictest3882144-1kworker/1:0H+kblockd09:10:031
97734993633,2cyclictest241279-21kworker/u8:0+flush-179:010:20:281
97734993632,3cyclictest171168-21kworker/u8:0+events_unbound08:50:121
97734993626,1cyclictest1318-21snmpd08:44:211
97731993634,1cyclictest154337-21kworker/0:0+pm09:06:220
97731993629,5cyclictest350094-21/usr/share/muni12:00:110
97741993533,1cyclictest4146925-1kworker/3:2H+kblockd10:44:323
97741993533,1cyclictest4146925-1kworker/3:2H+kblockd08:10:453
97741993533,1cyclictest4146925-1kworker/3:2H+kblockd07:20:453
97741993533,1cyclictest189077-21kworker/3:1+pm08:57:003
97741993532,2cyclictest4146925-1kworker/3:2H+kblockd12:15:143
97741993532,2cyclictest4146925-1kworker/3:2H+kblockd10:22:053
97741993530,3cyclictest175034-31munin-html08:35:283
97739993533,2cyclictest187737-21kworker/2:0+pm09:21:272
97739993533,1cyclictest337224-21kworker/2:2+pm11:55:172
97739993533,1cyclictest3187468-1kworker/2:1H+kblockd09:31:262
97739993533,1cyclictest251623-21kworker/2:1+pm10:15:122
97739993533,1cyclictest245623-21kworker/2:0+pm10:09:522
97739993532,2cyclictest82062-21kworker/2:1+pm08:00:052
97739993532,2cyclictest3187468-1kworker/2:1H+kblockd12:15:042
97739993532,2cyclictest3187468-1kworker/2:1H+kblockd08:10:522
9773999350,1cyclictest179997-31munin-html08:40:362
97734993533,1cyclictest3882144-1kworker/1:0H+kblockd12:00:031
97734993532,2cyclictest3882144-1kworker/1:0H+kblockd11:07:081
97734993532,2cyclictest3882144-1kworker/1:0H+kblockd08:05:051
97734993532,2cyclictest171238-21kworker/u8:4+flush-179:008:35:051
97734993530,4cyclictest337027-21CacheThread_Blo11:45:001
97731993534,1cyclictest80175-1kworker/0:2H+kblockd07:18:460
97731993533,1cyclictest80175-1kworker/0:2H+kblockd11:35:270
97731993533,1cyclictest80175-1kworker/0:2H+kblockd08:48:050
97731993532,2cyclictest254553-21kworker/u8:2+flush-179:010:10:050
97731993532,2cyclictest254553-21kworker/u8:2+flush-179:010:10:050
97731993531,3cyclictest241279-21kworker/u8:0+flush-179:010:45:170
97731993531,3cyclictest175558-21kworker/u8:2+events_unbound08:55:110
97731993531,3cyclictest123833-21kworker/u8:2+flush-179:007:55:150
97741993433,1cyclictest4146925-1kworker/3:2H+kblockd12:00:003
97741993432,1cyclictest4146925-1kworker/3:2H+kblockd11:25:393
97741993432,1cyclictest4146925-1kworker/3:2H+kblockd07:41:053
97741993432,1cyclictest254528-21kworker/3:1+pm10:33:183
97741993431,2cyclictest4146925-1kworker/3:2H+kblockd09:59:263
97741993431,2cyclictest4146925-1kworker/3:2H+kblockd09:50:063
97741993431,2cyclictest4146925-1kworker/3:2H+kblockd09:25:263
97741993431,2cyclictest4146925-1kworker/3:2H+kblockd08:00:003
97741993429,1cyclictest4146925-1kworker/3:2H+kblockd11:38:033
97741993429,0cyclictest1318-21snmpd08:07:173
97739993433,1cyclictest280365-21kworker/2:1+pm11:46:232
97739993432,1cyclictest82062-21kworker/2:1+pm08:31:572
97739993432,1cyclictest82062-21kworker/2:1+pm07:56:032
97739993431,2cyclictest3187468-1kworker/2:1H+kblockd08:20:372
97739993426,7cyclictest277764-21awk10:35:112
97739993417,15cyclictest128147-31munin-graph07:40:502
97739993411,22cyclictest305777-31munin-html11:05:372
9773999340,29cyclictest362251-31munin-graph12:10:522
97734993432,1cyclictest3882144-1kworker/1:0H+kblockd10:51:311
97734993431,2cyclictest3882144-1kworker/1:0H+kblockd09:30:281
97734993428,4cyclictest298106-21/usr/share/muni11:00:011
97731993432,1cyclictest80175-1kworker/0:2H+kblockd09:15:160
97731993432,1cyclictest228281-21kworker/0:0+pm10:06:250
97731993431,2cyclictest80175-1kworker/0:2H+kblockd09:30:160
97731993431,2cyclictest80175-1kworker/0:2H+kblockd08:50:030
97731993430,2cyclictest1318-21snmpd11:50:160
97731993429,4cyclictest1318-21snmpd11:46:510
97731993429,3cyclictest131102-21cat07:45:150
97731993429,3cyclictest131102-21cat07:45:150
97741993331,1cyclictest4146925-1kworker/3:2H+kblockd11:05:423
97741993330,2cyclictest4146925-1kworker/3:2H+kblockd10:10:283
97741993330,2cyclictest4146925-1kworker/3:2H+kblockd10:10:283
97741993330,2cyclictest4146925-1kworker/3:2H+kblockd08:40:263
97741993330,2cyclictest252765-21awk10:05:143
97741993330,1cyclictest4146925-1kworker/3:2H+kblockd12:31:013
97741993330,1cyclictest1318-21snmpd09:20:103
97739993331,1cyclictest82062-21kworker/2:1+pm07:54:252
9773999330,2cyclictest374807-31munin-html12:25:402
97734993332,1cyclictest332138-21kworker/1:1+pm12:09:101
97734993331,1cyclictest3882144-1kworker/1:0H+kblockd10:02:001
97734993330,2cyclictest171238-21kworker/u8:4+flush-179:009:20:161
97734993329,3cyclictest38295-21kworker/u8:1+flush-179:007:25:131
97731993331,1cyclictest228281-21kworker/0:0+pm09:53:460
97731993330,2cyclictest80175-1kworker/0:2H+kblockd08:35:160
97731993330,2cyclictest1318-21snmpd11:05:340
97731993329,3cyclictest241279-21kworker/u8:0+flush-179:010:25:030
97741993230,1cyclictest4146925-1kworker/3:2H+kblockd11:30:133
97741993230,1cyclictest4146925-1kworker/3:2H+kblockd09:40:163
97741993230,1cyclictest4146925-1kworker/3:2H+kblockd09:32:143
97741993230,1cyclictest4146925-1kworker/3:2H+kblockd08:48:353
97741993230,1cyclictest1318-21snmpd12:25:303
97741993229,2cyclictest4146925-1kworker/3:2H+kblockd11:20:273
97741993229,2cyclictest4146925-1kworker/3:2H+kblockd10:19:333
97741993229,2cyclictest241279-21kworker/u8:0+flush-179:010:45:183
97741993229,2cyclictest1318-21snmpd11:18:233
9773999329,22cyclictest0-21swapper/209:50:452
97739993230,1cyclictest280365-21kworker/2:1+pm11:35:502
9773999321,1cyclictest383593-31munin-html12:35:312
97734993230,1cyclictest199434-21awk09:05:121
97734993230,1cyclictest1318-21snmpd12:18:521
97734993230,1cyclictest1318-21snmpd10:05:131
97734993229,2cyclictest3882144-1kworker/1:0H+kblockd10:41:161
97734993229,2cyclictest3882144-1kworker/1:0H+kblockd10:11:151
97734993229,2cyclictest3882144-1kworker/1:0H+kblockd10:11:151
97734993229,2cyclictest3882144-1kworker/1:0H+kblockd09:45:151
97734993228,3cyclictest175558-21kworker/u8:2+flush-179:008:45:111
97731993230,1cyclictest80175-1kworker/0:2H+kblockd08:40:290
97731993230,1cyclictest66610-21ntpd08:00:410
97731993230,1cyclictest1318-21snmpd12:34:080
97731993230,1cyclictest1318-21snmpd11:04:580
97731993230,1cyclictest1318-21snmpd10:00:200
97731993230,1cyclictest1318-21snmpd09:49:270
97731993230,1cyclictest1318-21snmpd09:26:080
97731993230,1cyclictest1318-21snmpd08:28:250
97731993229,2cyclictest80175-1kworker/0:2H+kblockd08:06:380
97741993129,1cyclictest1318-21snmpd08:25:503
97741993128,2cyclictest4146925-1kworker/3:2H+kblockd07:15:033
97734993130,0cyclictest1318-21snmpd08:31:421
97734993129,1cyclictest66610-21ntpd08:15:421
97734993129,1cyclictest64742-21isc-net-000009:40:331
97734993129,1cyclictest3882144-1kworker/1:0H+kblockd09:55:271
97734993129,1cyclictest3882144-1kworker/1:0H+kblockd07:58:251
97734993129,1cyclictest1318-21snmpd11:41:141
97734993129,1cyclictest1318-21snmpd11:38:391
97734993129,1cyclictest1318-21snmpd10:48:521
97734993129,1cyclictest1318-21snmpd07:10:281
97734993128,2cyclictest3882144-1kworker/1:0H+kblockd07:15:041
97734993127,2cyclictest3882144-1kworker/1:0H+kblockd09:35:011
97731993130,1cyclictest365701-21awk12:15:190
97731993129,1cyclictest373001-21awk12:25:110
97731993129,1cyclictest1318-21snmpd11:20:300
97731993129,1cyclictest1318-21snmpd11:11:400
97731993129,1cyclictest1318-21snmpd09:00:190
97731993128,2cyclictest80175-1kworker/0:2H+kblockd09:10:030
97731993127,3cyclictest46386-21kworker/u8:0+flush-179:007:30:150
97741993029,1cyclictest254528-21kworker/3:1+pm12:39:503
97741993029,0cyclictest1318-21snmpd07:11:033
97741993028,2cyclictest4146925-1kworker/3:2H+kblockd12:24:543
97741993028,1cyclictest344309-21awk11:50:203
97741993028,1cyclictest1318-21snmpd07:25:433
97739993028,1cyclictest82062-21kworker/2:1+pm07:25:162
97734993030,0cyclictest1318-21snmpd10:34:151
97734993029,0cyclictest296302-21awk10:55:201
97734993029,0cyclictest1318-21snmpd12:27:231
97734993028,1cyclictest3882144-1kworker/1:0H+kblockd12:31:171
97734993028,1cyclictest3882144-1kworker/1:0H+kblockd11:31:141
97734993028,1cyclictest1318-21snmpd09:25:321
97734993028,1cyclictest1318-21snmpd07:35:521
97731993030,0cyclictest1318-21snmpd11:19:020
97731993030,0cyclictest1318-21snmpd07:37:440
97731993029,1cyclictest293287-21kworker/0:3+pm11:43:410
97731993029,0cyclictest1318-21snmpd10:23:310
97731993028,1cyclictest80175-1kworker/0:2H+kblockd07:10:160
97731993026,3cyclictest141427-21kworker/u8:3+flush-179:008:10:050
97741992928,1cyclictest1318-21snmpd11:42:333
97741992927,1cyclictest1318-21snmpd12:05:163
97741992927,1cyclictest1318-21snmpd09:35:383
97741992924,4cyclictest158717-21/usr/share/muni08:20:143
97741992917,11cyclictest1318-21snmpd07:53:403
97734992929,0cyclictest1318-21snmpd08:23:451
97734992928,1cyclictest278427-21awk10:35:141
97734992928,0cyclictest64742-21isc-net-000012:10:341
97734992927,1cyclictest1318-21snmpd11:56:001
97734992925,2cyclictest3882144-1kworker/1:0H+kblockd12:20:011
97731992928,0cyclictest1318-21snmpd07:28:350
97731992926,2cyclictest46386-21kworker/u8:0+events_unbound07:20:020
97731992926,2cyclictest1318-21snmpd10:30:250
97731992924,4cyclictest244824-21ntpq09:55:270
97741992826,1cyclictest1318-21snmpd07:30:283
97734992826,1cyclictest1318-21snmpd11:28:271
97734992826,1cyclictest1318-21snmpd07:50:131
97731992826,2cyclictest310424-21kworker/u8:0+events_unbound11:25:150
97731992824,3cyclictest241279-21kworker/u8:0+flush-179:010:15:040
97731992823,3cyclictest171433-21latency_hist08:35:010
97734992721,5cyclictest268809-21ntpq10:25:081
97731992725,1cyclictest213148-21awk09:20:150
97731992724,2cyclictest314805-21kworker/u8:3+flush-179:012:05:030
97741992624,1cyclictest1318-21snmpd08:50:013
9773499260,13cyclictest310943-21/usr/share/muni11:15:011
97731992624,1cyclictest1318-21snmpd08:16:290
97734992523,1cyclictest1318-21snmpd07:41:011
97734992523,1cyclictest128792-21ThreadPoolForeg07:45:001
97734992523,1cyclictest128792-21ThreadPoolForeg07:45:001
97731992421,2cyclictest80175-1kworker/0:2H+kblockd12:20:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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