You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-29 - 17:22
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 the highest latencies:
System rackbslot1.osadl.org (updated Sat Nov 29, 2025 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25734612222181,32sleep20-21swapper/207:08:582
25735542216191,14sleep30-21swapper/307:09:593
25733112214190,14sleep10-21swapper/107:07:001
25734492209186,13sleep00-21swapper/007:08:470
2573786997962,14cyclictest2734727-21snmp_ryswitch.c09:45:031
2573786997662,2cyclictest2672717-21snmp_ryswitch2.08:45:021
2573786997023,45cyclictest2858233-26chrome11:45:021
2573781996648,15cyclictest2734740-21/usr/sbin/munin09:45:030
2573781996547,14cyclictest2672747-21chrome08:45:020
2573786996460,3cyclictest2826458-21kworker/u8:2+flush-179:011:30:141
2573786995955,3cyclictest2831567-21kworker/u8:1+events_unbound12:25:111
2573786995955,3cyclictest2584630-21kworker/u8:0+events_unbound07:44:591
2573781995954,4cyclictest2631208-21kworker/u8:3+flush-179:008:20:290
2573788995842,14cyclictest2734735-21snmp_wanswitch.09:45:032
2573786995849,6cyclictest2770319-21latency_hist10:20:011
257378699573,54cyclictest2498433-21kworker/u8:4+efi_rts_wq07:46:161
2573788995651,4cyclictest2803690-21kworker/u8:2+flush-179:010:55:002
257378899564,51cyclictest2498433-21kworker/u8:4+efi_rts_wq07:46:172
2573781995652,3cyclictest2612479-21apt-get07:45:140
2573792995550,3cyclictest2581229-21apt-get07:15:143
2573786995551,3cyclictest2667235-21kworker/u8:0+flush-179:009:00:341
2573792995450,3cyclictest2909189-21munin-update12:35:363
2573788995438,15cyclictest2780445-21kworker/u8:1+flush-179:011:01:422
2573786995450,3cyclictest2780445-21kworker/u8:1+events_unbound10:40:301
2573781995451,2cyclictest2542427-21kworker/u8:1+events_unbound07:20:010
2573788995337,12cyclictest2672723-21apache_processe08:45:022
2573786995349,3cyclictest2842092-21kworker/u8:0+flush-179:011:35:161
2573786995349,3cyclictest2723348-21kworker/u8:4+events_unbound09:35:371
2573786995337,15cyclictest247560-21ThreadPoolForeg09:05:081
2573781995348,3cyclictest2796231-21snmp_wlanswitch10:45:020
2573786995248,3cyclictest2498433-21kworker/u8:4+flush-179:007:25:261
257378199529,10cyclictest2858180-21apache_processe11:45:020
2573781995249,2cyclictest2795064-21kworker/u8:5+flush-179:011:10:370
2573792995143,6cyclictest3125688-21Chrome_ChildIOT08:25:103
2573788995145,4cyclictest2720132-21apt-get09:30:142
2573788995145,4cyclictest2720132-21apt-get09:30:142
2573786995148,2cyclictest2878121-21kworker/u8:2+flush-179:012:20:321
2573786995147,3cyclictest2744390-21kworker/u8:2+flush-179:009:55:321
2573786995147,3cyclictest2498433-21kworker/u8:4+events_unbound07:10:281
2573781995148,2cyclictest2800480-21kworker/u8:0+flush-179:011:15:100
2573781995147,3cyclictest2711982-21kworker/u8:3+events_unbound10:00:130
2573781995147,3cyclictest2711982-21kworker/u8:3+events_unbound10:00:130
2573781995146,4cyclictest247516-21Chrome_ChildIOT07:20:040
2573781995146,3cyclictest2667235-21kworker/u8:0+events_unbound09:00:360
2573788995047,2cyclictest2717017-21kworker/u8:2+flush-179:009:40:262
2573788995045,4cyclictest76405-21systemd-journal11:15:012
2573786995046,3cyclictest2852044-21kworker/u8:3+events_unbound11:50:191
2573786995045,3cyclictest2584630-21kworker/u8:0+flush-179:007:55:271
2573786995044,5cyclictest247468-13Chrome_IOThread11:15:241
2573786995044,4cyclictest2744390-21kworker/u8:2+events_unbound10:20:341
2573781995046,3cyclictest2831567-21kworker/u8:1+events_unbound11:35:340
2573781995045,4cyclictest2711982-21kworker/u8:3+events_unbound09:36:440
2573781995045,4cyclictest2621543-21/usr/share/muni07:55:130
2573781995044,4cyclictest2705075-21kworker/u8:2+flush-179:009:17:020
2573788994946,2cyclictest2754776-21kworker/2:2+pm10:21:452
2573786994945,3cyclictest2831567-21kworker/u8:1+flush-179:012:35:351
2573786994945,3cyclictest2711982-21kworker/u8:3+events_unbound09:20:341
2573786994945,3cyclictest2711982-21kworker/u8:3+events_unbound09:20:341
2573786994944,4cyclictest2677732-21munin-update08:50:321
2573781994944,4cyclictest2744783-21latency_hist09:55:010
2573781994944,3cyclictest2600506-21kworker/u8:2+flush-179:008:00:350
2573792994842,4cyclictest2723335-21kworker/u8:1+flush-179:009:50:183
2573792994842,4cyclictest2663767-21apt-get08:35:163
2573792994841,5cyclictest3125688-21Chrome_ChildIOT09:14:003
2573788994844,3cyclictest76405-21systemd-journal08:30:192
2573788994844,3cyclictest2841369-31munin-html11:25:402
2573786994844,3cyclictest2893615-21kworker/u8:0+flush-179:012:31:421
2573786994844,3cyclictest2631208-21kworker/u8:3+events_unbound08:17:101
2573781994845,2cyclictest191rcuc/011:25:160
2573781994844,3cyclictest2677646-21kworker/u8:2+flush-179:009:05:070
2573781994844,3cyclictest2667235-21kworker/u8:0+flush-179:008:50:290
29034472470,1chrt2903314-31munin-html12:25:390
2573792994742,4cyclictest2687662-21kworker/u8:1+flush-179:009:25:073
2573792994738,7cyclictest2858232-21ThreadPoolForeg11:45:223
2573788994744,2cyclictest2631208-21kworker/u8:3+flush-179:008:25:312
2573788994743,3cyclictest2892906-31munin-html12:15:362
2573786994744,2cyclictest2723335-21kworker/u8:1+flush-179:009:50:211
2573786994744,2cyclictest2667235-21kworker/u8:0+flush-179:008:40:101
2573786994744,2cyclictest2600506-21kworker/u8:2+flush-179:008:00:271
2573786994743,3cyclictest2852341-21munin-update11:40:331
2573786994743,3cyclictest2852341-21munin-update11:40:331
2573786994743,3cyclictest2852044-21kworker/u8:3+events_unbound11:55:151
2573786994743,3cyclictest2651619-31munin-graph08:20:591
257378199470,45cyclictest2905653-21apt-get12:30:160
2573792994639,5cyclictest2821900-21/usr/share/muni11:10:053
2573792994633,12cyclictest2734617-21/usr/share/muni09:45:233
2573788994643,2cyclictest2498433-21kworker/u8:4+flush-179:007:53:282
2573788994641,4cyclictest2579002-21/usr/share/muni07:15:102
2573786994643,2cyclictest2852044-21kworker/u8:3+flush-179:012:05:151
2573786994642,3cyclictest2677646-21kworker/u8:2+flush-179:008:55:051
2573786994641,3cyclictest2755005-21latency_hist10:05:001
2573786994641,3cyclictest2755005-21latency_hist10:05:001
2573786994629,16cyclictest1915332-1kworker/1:1H+kblockd10:55:041
2573781994641,4cyclictest2903333-21kworker/u8:3+events_unbound12:35:210
2573792994538,5cyclictest2842375-21/usr/share/muni11:30:163
2573792994532,12cyclictest2491015-1kworker/3:0H+kblockd10:26:103
2573788994543,1cyclictest2729691-21kworker/2:0+pm09:55:042
2573788994541,3cyclictest2755235-21/usr/share/muni10:05:152
2573788994540,4cyclictest2893615-21kworker/u8:0+events_unbound12:20:072
2573788994540,3cyclictest2790885-21cat10:40:012
2573786994542,2cyclictest2498433-21kworker/u8:4+events_unbound07:24:131
2573786994538,2cyclictest2692963-21kworker/u8:3+events_unbound09:10:091
2573781994540,4cyclictest2831567-21kworker/u8:1+flush-179:011:31:090
2573781994539,5cyclictest2671747-31munin-html08:40:360
2573792994440,3cyclictest2667235-21kworker/u8:0+flush-179:008:41:253
2573788994441,2cyclictest2831567-21kworker/u8:1+flush-179:012:10:172
2573788994440,3cyclictest2806572-21/usr/share/muni10:55:172
2573788994434,9cyclictest2496009-21kworker/2:0+pm07:37:002
2573786994441,2cyclictest2800480-21kworker/u8:0+flush-179:011:14:541
2573781994439,4cyclictest2760127-21kworker/u8:0+flush-179:010:25:370
2573781994437,6cyclictest247545-13VizCompositorTh10:20:010
2573792994336,5cyclictest3125725-21ThreadPoolForeg07:27:253
2573788994339,3cyclictest2692215-31munin-html09:00:382
2573788994338,4cyclictest3125724-21ThreadPoolForeg12:30:002
2573788994312,4cyclictest3125721-21chrome11:31:032
2573786994340,2cyclictest2796205-13Chrome_IOThread10:45:011
2573786994340,2cyclictest2760127-21kworker/u8:0+events_unbound10:30:211
2573786994340,2cyclictest2717017-21kworker/u8:2+events_unbound09:41:321
2573786994340,2cyclictest2667235-21kworker/u8:0+flush-179:009:30:291
2573786994340,2cyclictest2667235-21kworker/u8:0+flush-179:009:30:291
2573786994339,3cyclictest2760127-21kworker/u8:0+events_unbound10:25:311
2573781994339,3cyclictest2657348-21/usr/share/muni08:30:220
2573781994338,3cyclictest2723335-21kworker/u8:1+flush-179:010:05:290
2573781994338,3cyclictest2717017-21kworker/u8:2+flush-179:009:25:530
2573781994336,5cyclictest247557-21chrome07:30:340
2573781994328,14cyclictest2878121-21kworker/u8:2+events_unbound12:15:110
2573792994237,4cyclictest2677091-21munin-limits08:45:363
2573792994224,17cyclictest1260-21snmpd12:02:483
2573788994240,1cyclictest2496009-21kworker/2:0+pm08:10:342
2573788994238,2cyclictest2496009-21kworker/2:0+pm09:05:532
2573786994239,2cyclictest2594797-21kworker/u8:3+flush-179:007:35:241
2573786994239,2cyclictest2584630-21kworker/u8:0+flush-179:007:54:541
2573786994238,3cyclictest2816168-31munin-graph11:01:371
2573786994238,3cyclictest2800480-21kworker/u8:0+flush-179:011:05:271
2573786994238,3cyclictest2723335-21kworker/u8:1+events_unbound10:05:311
2573781994239,2cyclictest2667235-21kworker/u8:0+flush-179:009:10:220
2573781994239,2cyclictest2600506-21kworker/u8:2+events_unbound07:42:070
2573781994237,4cyclictest2760127-21kworker/u8:0+flush-179:010:30:280
257378199420,40cyclictest247563-13Compositor10:55:150
2573792994135,5cyclictest2805916-31munin-html10:50:403
2573792994128,12cyclictest2491015-1kworker/3:0H+kblockd09:19:483
2573788994138,2cyclictest2496009-21kworker/2:0+pm08:35:562
2573788994138,2cyclictest2496009-21kworker/2:0+pm08:09:062
2573788994138,2cyclictest2496009-21kworker/2:0+pm07:55:032
2573788994137,3cyclictest2848752-21apt-get11:35:142
257378899410,39cyclictest247563-13Compositor11:20:492
2573786994138,2cyclictest2705075-21kworker/u8:2+flush-179:009:17:011
2573786994138,2cyclictest2631208-21kworker/u8:3+flush-179:008:30:321
2573781994137,3cyclictest2878121-21kworker/u8:2+flush-179:012:20:390
2573781994137,3cyclictest2780445-21kworker/u8:1+flush-179:011:05:090
2573792994037,2cyclictest2532557-21kworker/3:2+pm08:07:293
2573792994036,3cyclictest2744390-21kworker/u8:2+flush-179:010:00:343
2573792994036,3cyclictest2744390-21kworker/u8:2+flush-179:010:00:343
2573792994033,5cyclictest2806572-21/usr/share/muni10:55:143
2573792994023,15cyclictest3125727-21ThreadPoolForeg12:07:353
2573788994037,2cyclictest2754776-21kworker/2:2+pm10:25:492
2573788994037,2cyclictest2729691-21kworker/2:0+pm10:00:302
2573788994037,2cyclictest2729691-21kworker/2:0+pm10:00:302
2573788994036,3cyclictest2852044-21kworker/u8:3+flush-179:011:51:202
2573788994036,3cyclictest2842092-21kworker/u8:0+flush-179:011:45:072
2573788994036,3cyclictest2754776-21kworker/2:2+pm10:45:132
2573788994026,13cyclictest2754776-21kworker/2:2+pm10:19:282
2573786994038,2cyclictest2780445-21kworker/u8:1+flush-179:010:39:201
2573786994037,2cyclictest2584630-21kworker/u8:0+flush-179:007:30:291
2573786994036,3cyclictest2878121-21kworker/u8:2+flush-179:012:15:161
2573786994036,3cyclictest2667235-21kworker/u8:0+flush-179:009:25:121
2573786994034,4cyclictest2888706-21latency_hist12:15:011
2573781994037,2cyclictest2831567-21kworker/u8:1+flush-179:011:40:170
2573781994037,2cyclictest2831567-21kworker/u8:1+flush-179:011:40:170
2573781994037,2cyclictest2498433-21kworker/u8:4+flush-179:007:50:300
2573781994036,3cyclictest2667235-21kworker/u8:0+events_unbound09:25:000
2573781994036,3cyclictest2667235-21kworker/u8:0+events_unbound09:25:000
2573781994035,4cyclictest2800480-21kworker/u8:0+flush-179:010:53:340
2573781994035,4cyclictest2652452-21python308:25:030
2573792993936,2cyclictest3125629-21e21169fc69a4c6709:03:193
2573792993934,3cyclictest2573890-21/usr/share/muni07:10:153
2573792993933,4cyclictest2892871-21munin-limits12:15:333
2573788993937,1cyclictest2828883-21kworker/2:1+pm11:59:012
2573788993937,1cyclictest2754776-21kworker/2:2+pm10:33:202
2573788993936,2cyclictest2754776-21kworker/2:2+pm11:07:132
2573788993936,2cyclictest2496009-21kworker/2:0+pm08:58:192
2573788993936,2cyclictest2496009-21kworker/2:0+pm08:18:392
2573786993937,1cyclictest1260-21snmpd12:03:111
2573786993935,3cyclictest2803690-21kworker/u8:2+flush-179:010:54:121
2573786993934,4cyclictest2831670-21kworker/u8:3+flush-179:011:20:201
2573781993933,5cyclictest3125688-21Chrome_ChildIOT10:22:400
2573781993933,4cyclictest2584630-21kworker/u8:0+events_unbound07:29:350
2573792993836,1cyclictest2491015-1kworker/3:0H+kblockd07:33:503
2573792993835,2cyclictest2801271-21kworker/3:2+pm11:19:483
2573792993834,3cyclictest2631140-31munin-graph08:00:583
2573792993833,3cyclictest2620905-31munin-html07:50:423
2573792993832,4cyclictest2711982-21kworker/u8:3+flush-179:009:59:123
2573788993836,1cyclictest2828883-21kworker/2:1+pm12:37:512
2573788993836,1cyclictest2729691-21kworker/2:0+pm09:54:322
2573788993836,1cyclictest2698089-21kworker/2:2+pm09:38:132
2573788993836,1cyclictest2698089-21kworker/2:2+pm09:18:242
2573788993836,1cyclictest2496009-21kworker/2:0+pm08:01:402
2573788993836,1cyclictest2496009-21kworker/2:0+pm07:30:012
2573788993836,1cyclictest2496009-21kworker/2:0+pm07:26:052
2573788993836,1cyclictest2496009-21kworker/2:0+pm07:23:152
2573788993835,2cyclictest2828883-21kworker/2:1+pm12:00:102
2573788993835,2cyclictest2496009-21kworker/2:0+pm08:20:292
2573788993834,3cyclictest2496009-21kworker/2:0+pm08:52:342
2573788993834,3cyclictest2496009-21kworker/2:0+pm07:41:432
2573788993824,13cyclictest2800480-21kworker/u8:0+flush-179:011:15:472
2573788993810,27cyclictest247563-13Compositor10:12:362
2573786993835,2cyclictest2723335-21kworker/u8:1+flush-179:010:10:381
2573786993834,3cyclictest2625985-21kworker/u8:1+events_unbound08:27:001
2573781993834,3cyclictest2717017-21kworker/u8:2+events_unbound09:40:290
2573781993834,3cyclictest2711982-21kworker/u8:3+flush-179:009:55:100
2573781993833,3cyclictest2795064-21kworker/u8:5+flush-179:011:23:410
257378199380,36cyclictest247557-21chrome08:10:410
2573792993734,2cyclictest2785440-1kworker/3:1H+kblockd11:55:203
2573792993734,2cyclictest2785440-1kworker/3:1H+kblockd11:07:093
2573792993734,2cyclictest2785440-1kworker/3:1H+kblockd10:46:243
2573792993734,2cyclictest2723335-21kworker/u8:1+flush-179:010:05:513
2573792993734,2cyclictest2491015-1kworker/3:0H+kblockd09:39:003
2573792993734,2cyclictest2491015-1kworker/3:0H+kblockd08:18:473
2573792993734,2cyclictest2491015-1kworker/3:0H+kblockd07:58:153
2573792993734,2cyclictest2491015-1kworker/3:0H+kblockd07:22:443
2573792993734,2cyclictest247563-13Compositor11:52:063
2573792993729,6cyclictest2636857-21/usr/share/muni08:10:153
257379299370,35cyclictest3125721-21chrome11:29:453
2573788993735,1cyclictest2828883-21kworker/2:1+pm12:32:192
2573788993735,1cyclictest2828883-21kworker/2:1+pm11:40:022
2573788993735,1cyclictest2828883-21kworker/2:1+pm11:40:012
2573788993735,1cyclictest2698089-21kworker/2:2+pm09:26:222
2573788993735,1cyclictest2698089-21kworker/2:2+pm09:23:262
2573788993735,1cyclictest2698089-21kworker/2:2+pm09:23:262
2573788993735,1cyclictest2496009-21kworker/2:0+pm08:44:522
257378899371,35cyclictest3125721-21chrome12:05:392
2573786993734,2cyclictest2584630-21kworker/u8:0+events_unbound08:14:261
2573786993733,3cyclictest2795064-21kworker/u8:5+flush-179:011:28:151
2573786993733,3cyclictest2625985-21kworker/u8:1+events_unbound08:09:521
2573781993734,2cyclictest2625985-21kworker/u8:1+flush-179:008:35:080
2573781993734,2cyclictest2573418-1kworker/0:1H+kblockd08:56:020
2573781993733,3cyclictest2760127-21kworker/u8:0+flush-179:010:36:040
2573781993731,5cyclictest3125687-21ThreadPoolForeg12:00:150
257378199371,34cyclictest247557-21chrome10:13:080
2573792993634,1cyclictest2785440-1kworker/3:1H+kblockd12:25:173
2573792993634,1cyclictest2491015-1kworker/3:0H+kblockd09:41:423
2573792993634,1cyclictest2491015-1kworker/3:0H+kblockd07:39:013
2573792993633,2cyclictest2785440-1kworker/3:1H+kblockd12:13:573
2573792993633,2cyclictest2785440-1kworker/3:1H+kblockd11:38:503
2573792993633,2cyclictest2785440-1kworker/3:1H+kblockd11:02:403
2573792993633,2cyclictest2491015-1kworker/3:0H+kblockd09:05:213
2573792993633,2cyclictest2491015-1kworker/3:0H+kblockd08:56:233
2573792993633,2cyclictest2491015-1kworker/3:0H+kblockd07:43:253
2573792993632,3cyclictest2491015-1kworker/3:0H+kblockd07:45:143
2573792993629,5cyclictest2708674-21/usr/share/muni09:20:153
2573792993629,5cyclictest2708674-21/usr/share/muni09:20:153
2573792993625,10cyclictest1260-21snmpd12:30:423
2573788993634,1cyclictest2754776-21kworker/2:2+pm10:44:002
2573788993634,1cyclictest2698089-21kworker/2:2+pm09:10:112
2573786993632,3cyclictest76405-21systemd-journal08:40:011
2573781993634,1cyclictest3125726-13Chrome_ChildIOT07:10:300
2573781993632,3cyclictest2760127-21kworker/u8:0+events_unbound10:40:160
2573781993631,4cyclictest2717017-21kworker/u8:2+flush-179:009:32:520
2573781993631,4cyclictest2717017-21kworker/u8:2+flush-179:009:32:520
2573781993631,4cyclictest247560-21ThreadPoolForeg07:35:080
2573781993629,5cyclictest247561-21ThreadPoolForeg11:58:290
2573792993533,1cyclictest2785440-1kworker/3:1H+kblockd10:43:243
2573792993533,1cyclictest2491015-1kworker/3:0H+kblockd08:23:563
2573792993531,3cyclictest2785440-1kworker/3:1H+kblockd11:41:543
2573792993531,3cyclictest2785440-1kworker/3:1H+kblockd11:41:543
2573792993530,4cyclictest247560-21ThreadPoolForeg08:50:213
2573792993516,16cyclictest3125725-21ThreadPoolForeg10:11:163
257378899350,33cyclictest2578192-31munin-html07:10:442
2573781993532,2cyclictest2797359-1kworker/0:2H+kblockd11:00:200
257378199351,33cyclictest3125599-21python312:05:380
2573792993432,1cyclictest2785440-1kworker/3:1H+kblockd10:35:253
2573792993429,3cyclictest2625985-21kworker/u8:1+flush-179:008:35:013
2573786993431,2cyclictest1915332-1kworker/1:1H+kblockd07:15:051
2573781993431,2cyclictest2573418-1kworker/0:1H+kblockd08:20:030
2573781993431,2cyclictest247468-13Chrome_IOThread12:12:100
2573792993329,3cyclictest2744390-21kworker/u8:2+flush-179:010:20:073
2573792993329,2cyclictest2785440-1kworker/3:1H+kblockd11:21:313
2573792993310,21cyclictest0-21swapper/309:31:113
2573792993310,21cyclictest0-21swapper/309:31:113
2573781993329,2cyclictest2842092-21kworker/u8:0+flush-179:011:50:050
2573792993230,1cyclictest2491015-1kworker/3:0H+kblockd10:17:223
2573792993230,1cyclictest1260-21snmpd10:34:473
257379299312,28cyclictest247557-21chrome12:20:323
2573781992927,2cyclictest2625985-21kworker/u8:1+flush-179:008:08:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional