You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-13 - 18:18
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Characteristics of all highest latencies:
System rackbslot1.osadl.org (updated Fri Jun 13, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21326782215186,19sleep10-21swapper/107:08:521
21326752210186,14sleep30-21swapper/307:08:503
21325372205159,37sleep00-21swapper/007:07:060
21327372204156,14sleep20-21swapper/207:09:382
227681621240,2sleep02276813-21apache_processe09:30:130
213293099850,3cyclictest2291145-21/usr/share/muni09:45:013
2132924997065,4cyclictest2265200-21kworker/u8:0+events_unbound10:30:121
2132924996762,4cyclictest2351177-21kworker/u8:2+events_unbound10:45:011
213293099644,59cyclictest2351177-21kworker/u8:2+efi_rts_wq10:58:323
2132925996212,50cyclictest2351177-21kworker/u8:2+efi_rts_wq10:58:302
2132924996254,6cyclictest2250288-21latency_hist09:05:011
2132921996257,4cyclictest2234887-21kworker/u8:1+events_unbound08:50:100
2132924996044,15cyclictest2352596-21ThreadPoolForeg10:45:121
2132924995855,2cyclictest2245021-21kworker/u8:3+events_unbound09:45:371
2132924995754,2cyclictest2300802-21kworker/u8:1+events_unbound10:05:121
213292199570,2cyclictest2413267-21/usr/share/muni11:45:010
2132930995651,4cyclictest2413218-21CacheThread_Blo11:45:013
2132924995552,2cyclictest2214331-21kworker/u8:3+flush-179:008:40:101
2132924995543,11cyclictest2225026-21kworker/u8:0+events_unbound08:55:351
2132930995448,4cyclictest2306002-21latency_hist10:00:013
2132930995448,4cyclictest2306002-21latency_hist10:00:003
2132924995450,3cyclictest2214331-21kworker/u8:3+events_unbound08:45:071
2132924995450,3cyclictest2174557-21kworker/u8:4+events_unbound09:25:311
2132924995348,4cyclictest2245021-21kworker/u8:3+events_unbound09:40:001
2132930995244,7cyclictest2265200-21kworker/u8:0+flush-179:009:35:293
2132924995249,2cyclictest2122849-21kworker/u8:2+flush-179:007:10:121
2132925995148,2cyclictest2432559-31munin-html12:00:342
2132924995145,4cyclictest2386897-21kworker/u8:5+events_unbound11:30:341
2132924995143,6cyclictest1515560-21Chrome_ChildIOT12:00:181
2132930994933,14cyclictest1911304-1kworker/3:0H+kblockd09:17:173
2132924994946,2cyclictest2154009-21kworker/u8:0+flush-179:008:17:021
2132924994938,10cyclictest2245021-21kworker/u8:3+flush-179:009:15:071
2132921994946,2cyclictest2300802-21kworker/u8:1+events_unbound10:17:040
2132921994945,3cyclictest2138325-21ntpq07:15:040
2132930994843,3cyclictest2448864-21kworker/u8:2+flush-179:012:30:573
2132925994844,3cyclictest2291165-21/usr/share/muni09:45:022
2132925994837,11cyclictest2107484-21kworker/2:2+pm07:14:032
2132924994845,2cyclictest2413142-13chrome11:45:011
2132924994837,6cyclictest2265200-21kworker/u8:0+flush-179:010:25:171
2132921994844,3cyclictest2442283-21kworker/u8:1+events_unbound12:17:010
2132930994741,4cyclictest2351911-21taskset10:45:003
2132930994732,14cyclictest2335766-1kworker/3:2H+kblockd11:12:083
2132924994743,3cyclictest2122849-21kworker/u8:2+flush-179:007:25:101
2132924994737,7cyclictest2310151-21kworker/u8:4+flush-179:010:15:311
2132925994634,11cyclictest2285841-21kworker/2:0+pm09:59:032
2132925994634,11cyclictest2285841-21kworker/2:0+pm09:59:032
2132924994641,4cyclictest2235525-21/usr/share/muni08:50:011
2132924994633,9cyclictest2361468-21kworker/u8:3+flush-179:010:55:491
2132921994643,2cyclictest2448864-21kworker/u8:2+events_unbound12:35:110
2132930994541,3cyclictest2169933-13chrome07:45:013
2132930994537,5cyclictest2159828-21/usr/share/muni07:35:033
2132930994527,16cyclictest2397795-21ntpq11:30:043
2132924994542,2cyclictest2245021-21kworker/u8:3+flush-179:009:20:291
2132924994541,2cyclictest2433067-21kworker/u8:0+flush-179:012:05:341
2132921994542,2cyclictest2265200-21kworker/u8:0+events_unbound10:06:280
2132921994541,3cyclictest2174557-21kworker/u8:4+flush-179:008:55:290
2132921994540,2cyclictest2174557-21kworker/u8:4+events_unbound09:25:010
2132924994442,2cyclictest2413590-21kworker/u8:2+events_unbound12:10:151
2132924994441,2cyclictest2366474-21kworker/u8:0+flush-179:011:00:101
2132924994441,2cyclictest2122849-21kworker/u8:2+flush-179:007:20:181
2132924994438,4cyclictest2215055-21latency_hist08:30:001
2132924994438,4cyclictest2166330-21apt-get07:40:131
2132921994442,2cyclictest2366474-21kworker/u8:0+events_unbound10:57:450
2132921994441,2cyclictest2290549-21kworker/u8:2+events_unbound09:55:190
2132921994441,2cyclictest2290549-21kworker/u8:2+events_unbound09:55:190
2132921994440,3cyclictest2417737-21kworker/u8:3+events_unbound12:14:230
2132921994431,2cyclictest1843836-1kworker/0:0H+kblockd09:07:030
2132924994340,2cyclictest2265200-21kworker/u8:0+flush-179:009:50:181
2132924994340,2cyclictest2154009-21kworker/u8:0+flush-179:008:20:181
2132924994338,3cyclictest2417737-21kworker/u8:3+flush-179:011:55:291
2132921994338,2cyclictest2174557-21kworker/u8:4+events_unbound09:00:210
2132930994231,8cyclictest2245552-21/usr/share/muni09:00:163
2132925994239,2cyclictest2214331-21kworker/u8:3+events_unbound08:41:582
2132924994240,1cyclictest2245021-21kworker/u8:3+events_unbound09:40:181
2132924994229,12cyclictest1276-21snmpd07:57:391
2132921994239,2cyclictest2442283-21kworker/u8:1+events_unbound12:27:440
2132921994239,2cyclictest2300802-21kworker/u8:1+events_unbound11:10:100
2132921994238,3cyclictest2300802-21kworker/u8:1+events_unbound11:02:590
2132921994237,4cyclictest1515559-21ThreadPoolForeg09:11:280
2132921994237,3cyclictest2291098-21chrome09:45:020
2132930994136,1cyclictest2137547-21kworker/3:0+pm08:52:323
2132930994130,10cyclictest1911304-1kworker/3:0H+kblockd07:30:323
2132925994139,1cyclictest2340817-21kworker/2:0+pm10:50:062
2132925994138,2cyclictest2107484-21kworker/2:2+pm08:16:102
2132925994137,2cyclictest1515559-21ThreadPoolForeg10:35:332
2132925994136,4cyclictest1515606-21ThreadPoolForeg10:31:082
2132924994138,2cyclictest2407243-21kworker/u8:0+flush-179:011:50:271
2132924994138,2cyclictest2346216-21gpgv10:40:001
2132924994138,2cyclictest2174557-21kworker/u8:4+flush-179:008:05:221
2132924994137,3cyclictest2453890-21kworker/u8:4+flush-179:012:35:181
2132924994137,3cyclictest2407243-21kworker/u8:0+flush-179:011:40:271
2132924994137,3cyclictest2245021-21kworker/u8:3+flush-179:009:05:291
2132921994139,2cyclictest2275074-21kworker/u8:1+events_unbound09:37:550
2132921994137,3cyclictest2417737-21kworker/u8:3+events_unbound12:05:060
2132930994037,2cyclictest2128144-21kworker/3:2+pm07:10:303
2132930994036,3cyclictest2154009-21kworker/u8:0+flush-179:007:45:113
2132930994036,2cyclictest1911304-1kworker/3:0H+kblockd08:27:033
2132930994035,4cyclictest2412139-31munin-html11:40:343
2132925994039,1cyclictest2453890-21kworker/u8:4+events_unbound12:29:202
2132925994038,1cyclictest2433005-21kworker/2:1+pm12:11:282
2132925994038,1cyclictest2340817-21kworker/2:0+pm11:06:172
2132925994038,1cyclictest2305649-21kworker/2:1+pm10:21:102
2132925994038,1cyclictest2107484-21kworker/2:2+pm09:18:472
2132925994038,1cyclictest2107484-21kworker/2:2+pm08:50:332
2132925994038,1cyclictest2107484-21kworker/2:2+pm08:12:032
2132925994038,1cyclictest2107484-21kworker/2:2+pm08:03:532
2132925994038,1cyclictest1276-21snmpd07:37:082
2132925994037,2cyclictest2340817-21kworker/2:0+pm11:17:362
2132925994037,2cyclictest2340817-21kworker/2:0+pm10:44:312
2132925994037,2cyclictest2305649-21kworker/2:1+pm10:07:002
2132925994037,2cyclictest2107484-21kworker/2:2+pm07:16:102
2132924994037,2cyclictest2351177-21kworker/u8:2+events_unbound11:05:271
2132924994037,2cyclictest2300802-21kworker/u8:1+flush-179:011:35:211
2132924994037,2cyclictest2290549-21kworker/u8:2+flush-179:009:55:291
2132924994037,2cyclictest2290549-21kworker/u8:2+flush-179:009:55:291
2132924994037,2cyclictest2169508-21kworker/u8:2+events_unbound07:50:121
2132924994037,2cyclictest2144663-21kworker/u8:1+events_unbound07:35:311
2132924994036,3cyclictest2448864-21kworker/u8:2+flush-179:012:30:261
2132921994038,1cyclictest2335839-21kworker/0:0+pm11:33:280
2132921994037,2cyclictest2154009-21kworker/u8:0+events_unbound08:09:440
2132921994036,3cyclictest2265200-21kworker/u8:0+events_unbound10:41:450
2132930993936,2cyclictest2137547-21kworker/3:0+pm10:33:473
2132930993935,3cyclictest2335766-1kworker/3:2H+kblockd11:19:083
2132930993934,3cyclictest2443174-1kworker/3:1H+kblockd12:26:183
2132925993937,1cyclictest2433005-21kworker/2:1+pm12:05:122
2132925993937,1cyclictest2412963-21kworker/2:2+pm11:59:382
2132925993937,1cyclictest2412963-21kworker/2:2+pm11:53:482
2132925993937,1cyclictest2340817-21kworker/2:0+pm11:14:382
2132925993937,1cyclictest2340817-21kworker/2:0+pm11:03:462
2132925993937,1cyclictest2340817-21kworker/2:0+pm10:48:182
2132925993937,1cyclictest2305649-21kworker/2:1+pm10:00:572
2132925993937,1cyclictest2107484-21kworker/2:2+pm08:35:002
2132925993937,1cyclictest2107484-21kworker/2:2+pm07:24:382
2132925993937,1cyclictest1276-21snmpd09:20:322
2132925993936,2cyclictest2305649-21kworker/2:1+pm10:26:302
2132925993936,2cyclictest2107484-21kworker/2:2+pm09:11:082
2132925993936,2cyclictest2107484-21kworker/2:2+pm09:00:082
2132925993936,2cyclictest2107484-21kworker/2:2+pm08:45:042
2132925993930,9cyclictest2107484-21kworker/2:2+pm07:51:102
213292599391,2cyclictest1515603-21chrome09:31:072
2132924993935,3cyclictest2417737-21kworker/u8:3+flush-179:012:20:281
2132921993937,1cyclictest2132878-21kworker/0:0+pm07:24:200
2132921993936,2cyclictest2351177-21kworker/u8:2+events_unbound11:28:170
2132921993936,2cyclictest2265200-21kworker/u8:0+events_unbound09:50:190
2132921993936,2cyclictest2132878-21kworker/0:0+pm07:33:420
2132921993935,3cyclictest2230340-21CacheThread_Blo08:45:010
2132921993935,3cyclictest1-21systemd08:40:000
2132930993837,1cyclictest2376541-21kworker/3:2+pm12:07:423
2132930993836,1cyclictest2368429-21kworker/3:0+pm11:08:433
2132930993835,2cyclictest2448864-21kworker/u8:2+flush-179:012:35:293
2132930993834,2cyclictest2122849-21kworker/u8:2+flush-179:007:20:223
2132930993834,2cyclictest1911304-1kworker/3:0H+kblockd08:40:493
2132930993833,3cyclictest2335766-1kworker/3:2H+kblockd10:40:493
213293099381,35cyclictest1515575-21ThreadPoolSingl11:23:283
2132925993837,1cyclictest2107484-21kworker/2:2+pm08:32:062
2132925993836,1cyclictest2454018-21kworker/2:2+pm12:36:332
2132925993836,1cyclictest2285841-21kworker/2:0+pm09:44:532
2132925993836,1cyclictest2107484-21kworker/2:2+pm09:37:482
2132925993836,1cyclictest2107484-21kworker/2:2+pm08:58:182
2132925993836,1cyclictest2107484-21kworker/2:2+pm08:27:182
2132925993836,1cyclictest2107484-21kworker/2:2+pm07:46:442
2132925993836,1cyclictest2107484-21kworker/2:2+pm07:30:322
2132925993835,2cyclictest2412963-21kworker/2:2+pm11:45:052
2132925993835,2cyclictest2107484-21kworker/2:2+pm07:59:442
2132925993833,4cyclictest2190210-21/usr/share/muni08:05:022
2132924993836,1cyclictest2402486-21kworker/1:2+pm12:27:531
2132924993836,1cyclictest2345933-21kworker/1:1+pm11:12:581
2132921993836,2cyclictest2144663-21kworker/u8:1+flush-179:007:35:290
2132921993836,1cyclictest2132878-21kworker/0:0+pm08:04:320
2132921993836,1cyclictest0-21swapper/008:24:220
2132921993835,3cyclictest2300802-21kworker/u8:1+flush-179:010:25:290
2132921993835,2cyclictest2335839-21kworker/0:0+pm10:48:230
2132921993834,3cyclictest2265200-21kworker/u8:0+events_unbound10:23:330
2132930993734,2cyclictest2335766-1kworker/3:2H+kblockd11:04:133
2132930993734,2cyclictest2137547-21kworker/3:0+pm10:17:223
2132930993734,2cyclictest1911304-1kworker/3:0H+kblockd09:23:593
2132930993734,2cyclictest1911304-1kworker/3:0H+kblockd09:15:003
2132930993734,2cyclictest1911304-1kworker/3:0H+kblockd08:56:213
2132930993734,2cyclictest1276-21snmpd10:24:423
2132930993733,2cyclictest1911304-1kworker/3:0H+kblockd08:16:533
2132925993737,0cyclictest1276-21snmpd10:12:072
2132925993736,1cyclictest2454018-21kworker/2:2+pm12:32:432
2132925993736,1cyclictest2433005-21kworker/2:1+pm12:23:342
2132925993736,1cyclictest2285841-21kworker/2:0+pm09:50:332
2132925993735,1cyclictest2340817-21kworker/2:0+pm11:35:042
2132925993735,1cyclictest2107484-21kworker/2:2+pm09:25:042
2132925993735,1cyclictest2107484-21kworker/2:2+pm09:05:322
2132925993735,1cyclictest2107484-21kworker/2:2+pm08:21:402
2132925993735,1cyclictest2107484-21kworker/2:2+pm07:41:032
2132925993735,1cyclictest2107484-21kworker/2:2+pm07:26:022
2132925993734,2cyclictest2305649-21kworker/2:1+pm10:15:032
2132924993734,2cyclictest2386897-21kworker/u8:5+events_unbound11:27:511
2132924993724,12cyclictest1387487-1kworker/1:1H+kblockd08:04:181
2132921993736,0cyclictest1276-21snmpd08:10:230
2132921993735,1cyclictest2335839-21kworker/0:0+pm12:22:130
2132921993734,3cyclictest2169508-21kworker/u8:2+events_unbound07:54:390
2132921993734,2cyclictest1843836-1kworker/0:0H+kblockd10:31:300
2132921993734,2cyclictest1843836-1kworker/0:0H+kblockd08:45:040
2132930993634,2cyclictest1911304-1kworker/3:0H+kblockd09:05:083
2132930993633,2cyclictest2443174-1kworker/3:1H+kblockd12:17:023
2132930993633,2cyclictest2376541-21kworker/3:2+pm11:28:433
2132930993633,2cyclictest2335766-1kworker/3:2H+kblockd12:00:003
2132930993633,2cyclictest2137547-21kworker/3:0+pm08:09:583
2132930993633,2cyclictest1911304-1kworker/3:0H+kblockd08:35:333
2132930993633,2cyclictest1911304-1kworker/3:0H+kblockd08:12:283
2132930993632,2cyclictest2443174-1kworker/3:1H+kblockd12:24:073
2132930993629,5cyclictest2289946-31munin-html09:40:343
2132930993629,4cyclictest2300802-21kworker/u8:1+events_unbound10:05:203
2132925993634,1cyclictest2340817-21kworker/2:0+pm11:31:332
2132925993633,2cyclictest2433005-21kworker/2:1+pm12:17:182
2132925993633,2cyclictest2340817-21kworker/2:0+pm11:25:502
2132925993633,2cyclictest1298435-1kworker/2:2H+kblockd11:20:052
213292599360,35cyclictest3804303-21openvpn11:40:342
2132924993634,1cyclictest2345933-21kworker/1:1+pm11:17:431
2132924993634,1cyclictest1387487-1kworker/1:1H+kblockd08:10:181
2132924993633,2cyclictest2326552-21kworker/u8:2+flush-179:010:20:151
2132924993632,3cyclictest2265200-21kworker/u8:0+flush-179:010:10:221
2132921993634,2cyclictest1843836-1kworker/0:0H+kblockd07:25:100
2132921993634,1cyclictest1843836-1kworker/0:0H+kblockd11:50:210
2132921993634,1cyclictest1843836-1kworker/0:0H+kblockd10:11:280
2132921993633,3cyclictest2144663-21kworker/u8:1+events_unbound07:58:370
2132921993633,2cyclictest2290549-21kworker/u8:2+flush-179:010:00:090
2132921993633,2cyclictest2174557-21kworker/u8:4+events_unbound08:15:090
2132921993633,2cyclictest1843836-1kworker/0:0H+kblockd11:25:020
2132921993633,2cyclictest1843836-1kworker/0:0H+kblockd10:54:380
2132930993532,2cyclictest1911304-1kworker/3:0H+kblockd09:31:053
2132930993532,2cyclictest1911304-1kworker/3:0H+kblockd09:25:033
2132930993532,2cyclictest1911304-1kworker/3:0H+kblockd08:33:023
2132930993531,3cyclictest2335766-1kworker/3:2H+kblockd11:51:203
2132930993531,2cyclictest1911304-1kworker/3:0H+kblockd07:51:193
2132930993530,4cyclictest2209682-31munin-graph08:21:003
2132930993529,4cyclictest1911304-1kworker/3:0H+kblockd10:10:143
2132924993533,1cyclictest1276-21snmpd11:21:091
2132924993532,2cyclictest1387487-1kworker/1:1H+kblockd10:00:031
2132924993531,3cyclictest1387487-1kworker/1:1H+kblockd07:30:341
2132921993533,2cyclictest1843836-1kworker/0:0H+kblockd12:04:410
2132921993533,1cyclictest1843836-1kworker/0:0H+kblockd09:29:020
2132921993532,2cyclictest2351177-21kworker/u8:2+events_unbound11:07:290
2132921993532,2cyclictest1843836-1kworker/0:0H+kblockd11:55:330
2132921993531,2cyclictest1843836-1kworker/0:0H+kblockd07:45:060
2132921993522,12cyclictest1515606-21ThreadPoolForeg11:15:120
2132930993432,1cyclictest1911304-1kworker/3:0H+kblockd09:53:323
2132930993431,2cyclictest1911304-1kworker/3:0H+kblockd10:00:283
2132930993430,3cyclictest2335766-1kworker/3:2H+kblockd10:26:183
213293099341,31cyclictest1515611-13Compositor07:19:133
2132930993410,23cyclictest0-21swapper/312:00:163
2132924993432,1cyclictest2224837-21kworker/1:0+pm09:12:421
2132924993431,2cyclictest1387487-1kworker/1:1H+kblockd09:32:181
2132924993431,2cyclictest1387487-1kworker/1:1H+kblockd07:16:351
2132924993430,3cyclictest2442283-21kworker/u8:1+flush-179:012:17:021
2132921993433,0cyclictest1276-21snmpd09:19:290
2132921993432,1cyclictest1843836-1kworker/0:0H+kblockd10:36:580
2132921993432,1cyclictest1843836-1kworker/0:0H+kblockd07:41:340
2132921993432,1cyclictest1276-21snmpd08:30:340
2132930993330,2cyclictest1911304-1kworker/3:0H+kblockd08:49:333
2132930993330,2cyclictest1911304-1kworker/3:0H+kblockd08:01:163
2132930993330,2cyclictest1911304-1kworker/3:0H+kblockd07:29:483
2132930993329,3cyclictest1911304-1kworker/3:0H+kblockd07:58:283
2132930993328,3cyclictest2335766-1kworker/3:2H+kblockd10:50:003
2132924993331,2cyclictest2174557-21kworker/u8:4+flush-179:008:36:451
2132924993330,2cyclictest1387487-1kworker/1:1H+kblockd07:49:081
2132921993331,2cyclictest2386897-21kworker/u8:5+events_unbound11:44:370
2132921993331,1cyclictest2335839-21kworker/0:0+pm12:33:380
2132921993330,2cyclictest2137527-21kworker/u8:4+events_unbound07:12:430
2132921993330,2cyclictest1276-21snmpd11:35:150
2132930993228,3cyclictest2443174-1kworker/3:1H+kblockd12:10:373
2132930993228,3cyclictest2300802-21kworker/u8:1+flush-179:011:35:323
2132924993230,2cyclictest2361468-21kworker/u8:3+flush-179:010:52:011
2132924993228,2cyclictest2174557-21kworker/u8:4+flush-179:008:30:221
2132930993130,1cyclictest1276-21snmpd10:35:193
2132921993130,1cyclictest1276-21snmpd08:26:100
2132921993128,2cyclictest2265200-21kworker/u8:0+events_unbound09:42:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional