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2025-02-17 - 18:59
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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
Characteristics of the 100 highest latencies:
System rack3slot4.osadl.org (updated Mon Feb 17, 2025 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385404299180126,47cyclictest3972084-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:21:580
385405499170156,7cyclictest3920892-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:56:553
385406599149143,3cyclictest0-21swapper/507:11:315
38540429914675,43cyclictest0-21swapper/012:00:010
38540429914619,90cyclictest4014361-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:32:050
385404799140126,7cyclictest3941959-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:51:531
3854042991402,71cyclictest3954275-21kworker/0:2+events@
kfree_rcu_work
10:10:150
38540429913660,53cyclictest64250irq/527-eth0-Tx10:30:190
385405499135121,7cyclictest3941959-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:16:563
385405199134121,6cyclictest3859715-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
07:26:312
385404799133120,6cyclictest3993649-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:36:591
38540429913157,52cyclictest64350irq/528-eth0-Tx09:55:190
385405999130124,3cyclictest0-21swapper/409:26:494
3854042991302,56cyclictest3984368-21ssh10:29:190
385404799129116,6cyclictest3879487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
08:41:421
385404799129116,6cyclictest3879487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
08:41:411
385405499127113,7cyclictest4012848-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:27:063
385405499124109,8cyclictest3985379-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
10:31:593
385404799124110,7cyclictest3891464-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:56:471
385404799124110,7cyclictest3891464-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:56:461
385406599123118,2cyclictest0-21swapper/510:11:575
385405499121108,6cyclictest3879487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
08:46:423
385405199120107,6cyclictest3859715-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
07:36:312
385405199120106,7cyclictest3891464-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:51:442
38540429912063,24cyclictest3988833-21kworker/0:0+events@
free_work
11:00:010
385405999119113,3cyclictest0-21swapper/408:16:394
385406599118112,3cyclictest0-21swapper/510:40:075
385406599118112,3cyclictest0-21swapper/510:40:065
406545021150,3sleep10-21swapper/111:36:351
385405199115100,7cyclictest4031489-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:12:042
38540429911565,29cyclictest0-21swapper/012:36:340
38540429911565,29cyclictest0-21swapper/012:36:330
3854042991141,50cyclictest48-21rcuop/410:40:370
3854042991141,50cyclictest48-21rcuop/410:40:370
38540429911367,29cyclictest3906226-21aten2_r3power_v09:15:190
38540429911361,19cyclictest3879487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
08:51:170
38540549911298,7cyclictest3920892-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:36:513
38540549911298,7cyclictest3920892-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:36:513
38540429911276,17cyclictest3920892-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:01:570
38540429911175,16cyclictest3859715-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
07:31:310
38540429910839,51cyclictest4037143-21ssh11:15:070
3854042991081,51cyclictest0-21swapper/009:33:370
3854042991081,51cyclictest0-21swapper/009:33:370
38540429910760,37cyclictest64350irq/528-eth0-Tx08:15:350
38540429910759,35cyclictest64250irq/527-eth0-Tx12:00:310
38540429910542,3cyclictest0-21swapper/011:52:210
38540549910490,7cyclictest3863829-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:36:403
38540429910460,10cyclictest0-21swapper/011:48:230
38540429910453,8cyclictest4132197-21diskstats12:30:170
38540429910453,8cyclictest4132197-21diskstats12:30:170
38540659910396,3cyclictest0-21swapper/512:37:145
38540659910396,3cyclictest0-21swapper/512:37:145
38540429910160,32cyclictest0-21swapper/007:10:310
38540599910094,3cyclictest0-21swapper/409:11:484
38540519910087,6cyclictest3993649-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:40:082
38540519910087,6cyclictest3993649-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:40:082
38540429910056,8cyclictest3869355-21cat07:45:390
3854051999986,6cyclictest3869546-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:46:352
3854042999960,4cyclictest0-21swapper/007:35:360
3854042999947,23cyclictest3929575-21taskset09:39:170
3854042999947,23cyclictest3929575-21taskset09:39:160
3854059999892,3cyclictest0-21swapper/409:06:464
3854042999853,7cyclictest4120172-21telnet12:20:190
3854042999853,7cyclictest4120172-21telnet12:20:190
3854042999841,15cyclictest0-21swapper/008:10:340
3854054999784,6cyclictest4104277-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:12:103
3854054999784,6cyclictest4104277-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:12:103
3854042999762,7cyclictest0-21swapper/008:25:240
385404299962,87cyclictest3902414-21df_abs09:10:230
3854042999539,14cyclictest0-21swapper/007:50:280
385404299952,3cyclictest0-21swapper/012:25:550
385404299952,3cyclictest0-21swapper/012:25:550
3854042999463,3cyclictest0-21swapper/007:20:290
3854042999460,5cyclictest4063694-21grep11:35:290
3854042999454,4cyclictest0-21swapper/007:25:180
3854042999441,3cyclictest0-21swapper/011:20:120
3854042999370,15cyclictest3879487-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:01:450
3854042999353,14cyclictest64350irq/528-eth0-Tx12:10:190
3854042999353,14cyclictest64350irq/528-eth0-Tx12:10:190
3854042999338,18cyclictest601-21jbd2/mmcblk1p3-10:15:350
3854054999277,8cyclictest4091943-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
12:02:103
3854042999232,37cyclictest0-21swapper/009:44:070
3854042999227,24cyclictest0-21swapper/009:21:430
3854054999177,6cyclictest4084804-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:07:093
3854042999149,14cyclictest0-21swapper/008:45:280
3854042999147,4cyclictest0-21swapper/008:00:300
3854042999146,4cyclictest0-21swapper/010:50:270
3854042999146,4cyclictest0-21swapper/010:50:270
3854042999143,8cyclictest3857522-21grep07:15:400
3854054999075,8cyclictest3934268-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
09:46:543
3854042999041,19cyclictest4029012-21chrt11:08:470
3854047998975,7cyclictest3985379-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
10:52:001
3854047998975,7cyclictest3985379-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
10:52:001
3854042998932,16cyclictest0-21swapper/011:10:210
3854042998847,8cyclictest3944079-21ssh09:54:030
3854054998774,7cyclictest3958520-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:06:583
3854042998737,15cyclictest0-21swapper/008:30:340
385404299872,3cyclictest0-21swapper/008:35:190
3854065998679,3cyclictest0-21swapper/509:26:485
3854054998670,8cyclictest4125561-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
12:27:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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