You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-29 - 01:20
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 792 highest latencies:
System rackcslot2.osadl.org (updated Sat Jun 28, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1880327249,17sleep10-21swapper/107:03:121
237732690,0sleep10-21swapper/111:41:331
1967026653,8sleep00-21swapper/007:06:340
290222630,0sleep10-21swapper/109:42:501
19975993533,1cyclictest7-21ksoftirqd/011:33:170
19975993211,3cyclictest91rcu_preempt08:38:160
19976993110,20cyclictest0-21swapper/107:30:501
1997599313,27cyclictest0-21swapper/009:57:210
19975993029,1cyclictest7-21ksoftirqd/010:13:080
1997599298,2cyclictest91rcu_preempt09:29:350
19975992926,1cyclictest7-21ksoftirqd/012:07:370
1997599290,24cyclictest0-21swapper/011:28:120
19975992822,3cyclictest7-21ksoftirqd/009:22:570
19976992725,1cyclictest0-21swapper/109:45:511
1997599277,19cyclictest0-21swapper/010:25:060
1997599274,20cyclictest0-21swapper/010:54:380
1997599274,20cyclictest0-21swapper/010:54:380
19975992725,0cyclictest7-21ksoftirqd/009:19:040
19975992717,9cyclictest7278-21ssh09:13:280
254382260,1sleep10-21swapper/108:43:151
19976992618,7cyclictest29831-21apache210:05:411
19976992615,10cyclictest0-21swapper/110:09:451
19976992610,0cyclictest13897-21grep11:28:101
19975992625,1cyclictest0-21swapper/012:01:340
19975992625,0cyclictest7-21ksoftirqd/009:45:310
1997599261,23cyclictest7-21ksoftirqd/010:08:150
19975992610,4cyclictest7-21ksoftirqd/011:55:190
19976992519,4cyclictest817-21apache209:25:131
19976992510,6cyclictest0-21swapper/108:38:091
19975992525,0cyclictest7-21ksoftirqd/010:49:220
19975992514,10cyclictest0-21swapper/011:51:480
1997699244,19cyclictest0-21swapper/112:02:051
19976992422,1cyclictest4127-21munin-node09:35:421
19976992422,0cyclictest0-21swapper/111:02:151
19976992410,2cyclictest0-21swapper/112:23:501
1997599244,7cyclictest7-21ksoftirqd/010:43:130
1997599242,2cyclictest91rcu_preempt08:47:290
1997599241,9cyclictest0-21swapper/008:28:050
19975992419,3cyclictest692-21ntpd07:33:120
1997699238,14cyclictest0-21swapper/111:48:271
1997699237,14cyclictest0-21swapper/110:23:091
19976992322,1cyclictest0-21swapper/110:50:231
1997699231,14cyclictest97950irq/108-eth1-tx10:16:301
19976992310,4cyclictest0-21swapper/110:43:061
1997699230,10cyclictest0-21swapper/112:10:331
1997599232,3cyclictest91rcu_preempt12:36:020
19975992318,2cyclictest7-21ksoftirqd/009:09:570
19975992317,3cyclictest7-21ksoftirqd/011:05:340
19975992317,3cyclictest7-21ksoftirqd/010:32:350
19975992316,2cyclictest7-21ksoftirqd/011:08:340
19975992310,0cyclictest91rcu_preempt10:59:010
1997599230,9cyclictest0-21swapper/009:34:580
1997599230,1cyclictest91rcu_preempt09:37:520
19976992220,1cyclictest231ktimersoftd/108:33:171
19976992219,2cyclictest29804-21apache207:51:431
19976992216,5cyclictest29804-21apache209:17:311
19976992213,5cyclictest20317-1kworker/u5:211:06:431
1997699221,2cyclictest0-21swapper/110:37:591
1997699221,20cyclictest0-21swapper/110:35:521
19976992210,7cyclictest0-21swapper/110:00:171
19976992210,5cyclictest0-21swapper/111:23:111
19976992210,4cyclictest0-21swapper/108:13:141
19975992218,2cyclictest7-21ksoftirqd/010:39:040
19975992216,5cyclictest0-21swapper/008:53:080
1997599221,17cyclictest0-21swapper/009:50:390
19975992210,9cyclictest97850irq/107-eth1-rx11:44:110
19975992210,8cyclictest0-21swapper/008:22:320
19975992210,6cyclictest0-21swapper/012:28:150
19975992210,4cyclictest0-21swapper/007:53:110
1997599220,0cyclictest0-21swapper/010:18:480
1997699215,9cyclictest0-21swapper/111:53:101
1997699215,7cyclictest0-21swapper/107:13:061
1997699213,10cyclictest0-21swapper/108:58:131
19976992120,1cyclictest0-21swapper/111:12:211
19976992119,1cyclictest18596-21apache_accesses10:53:051
19976992119,1cyclictest18596-21apache_accesses10:53:051
19976992113,7cyclictest717-21snmpd07:34:451
19976992110,6cyclictest0-21swapper/110:30:431
1997599219,7cyclictest81ktimersoftd/010:02:390
1997599217,10cyclictest0-21swapper/012:13:140
19975992119,1cyclictest32101-21apache_volume09:03:070
19975992119,1cyclictest0-21swapper/007:45:000
19975992118,2cyclictest27701-21/usr/sbin/munin07:28:070
19975992117,3cyclictest11692-21sshd11:25:290
19975992117,3cyclictest0-21swapper/007:18:080
19975992113,5cyclictest1481-21diskmemload11:41:580
19975992110,6cyclictest81ktimersoftd/007:38:050
2695022010,0sleep10-21swapper/112:28:181
1997699203,11cyclictest0-21swapper/109:28:171
19976992018,1cyclictest0-21swapper/111:35:561
19976992015,1cyclictest19973-21cyclictest07:38:071
19976992010,8cyclictest0-21swapper/107:12:031
19976992010,5cyclictest0-21swapper/112:19:061
19976992010,5cyclictest0-21swapper/109:19:521
1997699200,11cyclictest0-21swapper/109:53:051
19975992018,2cyclictest81ktimersoftd/011:14:210
1997599201,14cyclictest0-21swapper/012:08:070
19975992010,7cyclictest0-21swapper/007:48:100
19975992010,6cyclictest29831-21apache210:33:080
19975992010,4cyclictest0-21swapper/010:04:260
1997599200,2cyclictest0-21swapper/011:21:240
1997599200,1cyclictest0-21swapper/012:23:520
1997699194,11cyclictest0-21swapper/112:06:261
1997699193,8cyclictest0-21swapper/109:48:091
19976991910,4cyclictest0-21swapper/111:18:091
19976991910,4cyclictest0-21swapper/107:20:081
19976991910,3cyclictest0-21swapper/112:33:151
19976991910,0cyclictest0-21swapper/111:13:241
19976991910,0cyclictest0-21swapper/107:43:161
19975991917,2cyclictest0-21swapper/007:17:530
19975991916,2cyclictest25769-21apache_accesses07:23:040
1997699185,5cyclictest0-21swapper/108:18:071
1997699182,10cyclictest0-21swapper/109:03:151
19976991814,2cyclictest29831-21apache207:53:141
19976991810,6cyclictest0-21swapper/111:45:181
19976991810,5cyclictest0-21swapper/109:08:101
19976991810,5cyclictest0-21swapper/108:53:151
19976991810,4cyclictest0-21swapper/108:08:151
19976991810,4cyclictest0-21swapper/107:58:101
1997599183,8cyclictest0-21swapper/012:18:560
19975991817,0cyclictest19973-21cyclictest07:08:000
19975991816,2cyclictest0-21swapper/008:08:090
1997699172,8cyclictest0-21swapper/112:13:101
1997699172,7cyclictest0-21swapper/110:18:061
19976991710,3cyclictest0-21swapper/107:23:051
19976991710,2cyclictest0-21swapper/108:03:081
1997699170,10cyclictest0-21swapper/108:48:151
1997599177,5cyclictest81ktimersoftd/008:13:120
1997599173,11cyclictest28054-21latency_hist08:52:520
19975991714,2cyclictest31017-21/usr/sbin/munin08:58:140
19975991710,7cyclictest0-21swapper/008:03:590
19975991710,2cyclictest0-21swapper/008:23:070
19975991614,2cyclictest0-21swapper/008:00:550
19975991510,1cyclictest0-21swapper/008:33:140
1997699141,7cyclictest0-21swapper/108:28:101
19976991410,3cyclictest0-21swapper/108:23:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional