You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 17:11
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 100 highest latencies:
System rackcslot4.osadl.org (updated Thu Dec 04, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32160392262186,61sleep00-21swapper/007:06:390
32161892260188,27sleep10-21swapper/107:08:151
32407002790,4chrt141rcu_preempt08:10:010
33903392470,2sleep00-21swapper/011:52:240
125899450,3rtkit-daemon0-21swapper/108:53:591
125899450,3rtkit-daemon0-21swapper/108:06:081
3216466994413,20cyclictest26-21ksoftirqd/111:25:001
125899440,3rtkit-daemon0-21swapper/108:44:181
125899440,3rtkit-daemon0-21swapper/108:19:151
125899430,3rtkit-daemon0-21swapper/107:57:361
3216466993924,2cyclictest3280953-21rm09:29:461
3216463993816,7cyclictest13-21ksoftirqd/011:45:030
125899380,5rtkit-daemon1257-21rtkit-daemon11:22:000
125899370,4rtkit-daemon1257-21rtkit-daemon11:25:380
125899350,4rtkit-daemon1257-21rtkit-daemon09:58:321
321646699345,19cyclictest26-21ksoftirqd/111:20:001
3216463993430,2cyclictest131ksoftirqd/009:25:000
3216463993413,6cyclictest13-21ksoftirqd/009:50:170
321646399339,2cyclictest141rcu_preempt12:17:360
3216463993310,4cyclictest13-21ksoftirqd/007:50:240
321646699327,7cyclictest26-21ksoftirqd/111:45:111
321646699326,6cyclictest26-21ksoftirqd/109:20:141
3216466993218,6cyclictest26-21ksoftirqd/109:20:001
3216466993210,5cyclictest26-21ksoftirqd/111:40:311
321646399328,10cyclictest13-21ksoftirqd/009:15:140
3216463993215,5cyclictest13-21ksoftirqd/010:05:010
3216463993212,5cyclictest13-21ksoftirqd/012:20:110
321646699319,6cyclictest3377025-21if_enp2s011:35:191
321646699319,11cyclictest26-21ksoftirqd/112:20:261
321646699318,4cyclictest26-21ksoftirqd/110:40:181
3216466993126,3cyclictest3417365-21cut12:30:161
321646699306,7cyclictest26-21ksoftirqd/107:15:141
3216466993010,5cyclictest26-21ksoftirqd/109:39:221
3216466992914,9cyclictest3284256-1kworker/u9:212:15:141
321646699291,12cyclictest26-21ksoftirqd/111:03:171
321646399296,5cyclictest13-21ksoftirqd/009:00:040
3216463992913,3cyclictest13-21ksoftirqd/010:50:130
321646699289,5cyclictest26-21ksoftirqd/107:35:011
321646699288,5cyclictest3264409-21kworker/u8:009:10:111
321646699286,3cyclictest141rcu_preempt11:05:251
321646699285,2cyclictest141rcu_preempt10:55:141
3216466992817,3cyclictest3333345-21rm10:35:461
3216466992811,5cyclictest26-21ksoftirqd/112:14:311
3216466992811,5cyclictest26-21ksoftirqd/112:14:301
3216466992810,5cyclictest3328020-21apt-get10:30:121
321646399284,5cyclictest13-21ksoftirqd/010:15:140
3216463992821,5cyclictest13-21ksoftirqd/011:45:000
3216463992814,5cyclictest13-21ksoftirqd/009:40:130
32807032270,3sleep00-21swapper/009:29:140
321646699276,5cyclictest26-21ksoftirqd/109:00:011
321646699275,6cyclictest26-21ksoftirqd/111:25:251
321646699270,22cyclictest3241232-21apt-get08:10:191
321646399273,16cyclictest3350372-21apt-get11:00:160
3216463992715,2cyclictest13-21ksoftirqd/008:50:190
3216463992711,3cyclictest13-21ksoftirqd/008:10:150
321646399270,7cyclictest3396754-21sed12:00:260
34033702260,19sleep00-21swapper/012:10:190
34033702260,19sleep00-21swapper/012:10:180
321646699265,7cyclictest26-21ksoftirqd/109:00:251
321646699265,6cyclictest26-21ksoftirqd/107:10:261
321646699263,8cyclictest26-21ksoftirqd/112:04:331
321646699263,15cyclictest3413588-21apt-get12:25:141
321646699261,8cyclictest3264935-21diskmemload10:15:381
3216466992613,8cyclictest3318747-1kworker/u9:110:25:141
3216466992610,4cyclictest26-21ksoftirqd/110:02:381
3216463992623,2cyclictest63750irq/132-enp2s010:05:110
321646399262,16cyclictest3263190-21apt-get09:05:130
3216463992611,3cyclictest13-21ksoftirqd/011:30:150
3216463992611,3cyclictest13-21ksoftirqd/011:05:140
3216463992611,3cyclictest13-21ksoftirqd/010:10:140
3216463992610,2cyclictest141rcu_preempt11:58:010
321646399260,5cyclictest3264935-21diskmemload10:49:310
125899260,4rtkit-daemon1257-21rtkit-daemon07:13:450
321646699258,5cyclictest26-21ksoftirqd/109:50:161
321646699256,6cyclictest26-21ksoftirqd/111:55:021
321646699256,5cyclictest26-21ksoftirqd/107:45:001
321646699255,7cyclictest26-21ksoftirqd/111:31:591
321646699255,3cyclictest3309727-21pmu-power10:05:241
321646699255,10cyclictest26-21ksoftirqd/111:10:251
321646699254,7cyclictest26-21ksoftirqd/110:20:021
3216466992512,8cyclictest3268598-1kworker/u9:109:30:141
3216466992511,9cyclictest3223064-21apt-get07:25:141
321646399252,9cyclictest141rcu_preempt10:30:150
3216463992522,2cyclictest63750irq/132-enp2s009:37:380
321646399251,6cyclictest287-20systemd-journal07:30:000
3216463992511,3cyclictest13-21ksoftirqd/010:40:130
125899250,17rtkit-daemon3347914-21ssh10:55:280
321646699249,4cyclictest3264935-21diskmemload10:53:021
321646699245,17cyclictest0-21swapper/108:30:171
321646699241,6cyclictest3264935-21diskmemload12:09:531
3216466992410,4cyclictest3264935-21diskmemload10:11:081
321646399249,3cyclictest13-21ksoftirqd/009:45:150
321646399242,15cyclictest3331835-21apt-get10:35:130
3216463992419,3cyclictest13-21ksoftirqd/009:00:010
3216463992416,5cyclictest13-21ksoftirqd/012:40:010
3216463992413,3cyclictest13-21ksoftirqd/011:38:510
3216463992413,2cyclictest13-21ksoftirqd/008:00:190
3216463992412,8cyclictest63750irq/132-enp2s012:05:140
321646399241,18cyclictest3361537-21apt-get11:15:150
3216463992411,3cyclictest13-21ksoftirqd/012:25:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional