You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 07:30

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #8, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack8slot7s.osadl.org (updated Thu Nov 27, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10807992019,1cyclictest55650irq/125-lan00:39:260
10807991919,0cyclictest55650irq/125-lan21:37:200
10807991918,1cyclictest55650irq/125-lan23:55:440
10807991918,1cyclictest55650irq/125-lan23:42:050
10807991918,1cyclictest55650irq/125-lan23:30:290
10807991918,1cyclictest55650irq/125-lan23:27:040
10807991918,1cyclictest55650irq/125-lan23:18:260
10807991918,1cyclictest55650irq/125-lan23:07:020
10807991918,1cyclictest55650irq/125-lan22:55:440
10807991918,1cyclictest55650irq/125-lan22:39:170
10807991918,1cyclictest55650irq/125-lan22:31:060
10807991918,1cyclictest55650irq/125-lan21:54:070
10807991918,1cyclictest55650irq/125-lan21:40:490
10807991918,1cyclictest55650irq/125-lan21:18:470
10807991918,1cyclictest55650irq/125-lan20:48:180
10807991918,1cyclictest55650irq/125-lan20:25:180
10807991918,1cyclictest55650irq/125-lan20:20:200
10807991918,1cyclictest55650irq/125-lan19:42:270
10807991918,0cyclictest55650irq/125-lan21:22:340
10807991818,0cyclictest55650irq/125-lan23:50:010
10807991818,0cyclictest55650irq/125-lan23:13:090
10807991818,0cyclictest55650irq/125-lan23:00:450
10807991818,0cyclictest55650irq/125-lan22:27:150
10807991818,0cyclictest55650irq/125-lan22:11:280
10807991818,0cyclictest55650irq/125-lan22:05:130
10807991818,0cyclictest55650irq/125-lan21:55:070
10807991818,0cyclictest55650irq/125-lan00:31:330
10807991817,1cyclictest55650irq/125-lan23:35:250
10807991817,1cyclictest55650irq/125-lan23:21:280
10807991817,1cyclictest55650irq/125-lan22:50:350
10807991817,1cyclictest55650irq/125-lan22:47:580
10807991817,1cyclictest55650irq/125-lan22:41:430
10807991817,1cyclictest55650irq/125-lan22:20:140
10807991817,1cyclictest55650irq/125-lan22:15:520
10807991817,1cyclictest55650irq/125-lan21:29:090
10807991817,1cyclictest55650irq/125-lan21:10:470
10807991817,1cyclictest55650irq/125-lan20:58:450
10807991817,1cyclictest55650irq/125-lan20:50:380
10807991817,1cyclictest55650irq/125-lan20:50:370
10807991817,1cyclictest55650irq/125-lan20:31:180
10807991817,1cyclictest55650irq/125-lan20:18:140
10807991817,1cyclictest55650irq/125-lan19:45:170
10807991817,1cyclictest55650irq/125-lan19:36:040
10807991817,1cyclictest55650irq/125-lan00:22:010
10807991817,1cyclictest55650irq/125-lan00:15:210
10807991817,1cyclictest55650irq/125-lan00:10:090
10807991817,1cyclictest55650irq/125-lan00:00:140
10807991816,1cyclictest55650irq/125-lan00:05:320
10807991717,0cyclictest55650irq/125-lan23:45:150
10807991717,0cyclictest55650irq/125-lan00:25:310
10807991716,1cyclictest55650irq/125-lan21:45:150
10807991716,1cyclictest55650irq/125-lan21:31:230
10807991716,1cyclictest55650irq/125-lan20:40:420
10807991716,1cyclictest55650irq/125-lan20:10:330
10807991716,1cyclictest55650irq/125-lan20:04:540
10807991716,1cyclictest55650irq/125-lan19:25:110
10807991716,1cyclictest55650irq/125-lan19:20:570
10807991715,1cyclictest55650irq/125-lan22:00:160
10807991616,0cyclictest55650irq/125-lan19:50:020
10807991615,1cyclictest55650irq/125-lan21:05:200
10807991615,1cyclictest55650irq/125-lan21:00:200
10807991615,1cyclictest55650irq/125-lan20:05:590
10807991615,1cyclictest55650irq/125-lan19:56:500
10807991615,1cyclictest55650irq/125-lan19:34:140
10807991615,1cyclictest55650irq/125-lan19:11:030
10807991413,1cyclictest55650irq/125-lan20:36:020
10807991312,1cyclictest55650irq/125-lan19:15:380
1081199109,1cyclictest487-21gmain21:46:041
1081199106,3cyclictest703-21snmpd23:00:171
108119998,1cyclictest703-21snmpd22:34:561
108119998,1cyclictest703-21snmpd20:47:231
108119998,1cyclictest703-21snmpd20:40:051
108119998,1cyclictest703-21snmpd20:29:511
108119998,1cyclictest703-21snmpd19:48:471
108119998,1cyclictest18125-21proc_pri22:40:171
108119997,1cyclictest311ktimers/121:35:151
108119996,2cyclictest703-21snmpd22:38:151
108119996,2cyclictest703-21snmpd21:24:421
108119996,2cyclictest703-21snmpd21:10:211
108119996,2cyclictest703-21snmpd19:32:051
108119995,3cyclictest703-21snmpd19:55:211
108119988,0cyclictest703-21snmpd23:15:101
108119988,0cyclictest23141-21/usr/sbin/munin22:15:151
108119987,1cyclictest8540-21ntp_kernel_pll_22:00:191
108119987,1cyclictest703-21snmpd23:49:321
108119987,1cyclictest703-21snmpd20:54:461
108119987,1cyclictest703-21snmpd20:54:461
108119987,1cyclictest703-21snmpd00:34:421
108119987,1cyclictest703-21snmpd00:14:171
108119987,1cyclictest648-21ntpq22:55:161
108119987,1cyclictest30422-21ntp_kernel_err20:00:191
108119986,2cyclictest703-21snmpd23:29:461
108119986,2cyclictest703-21snmpd22:29:321
108119986,2cyclictest703-21snmpd21:44:331
108119986,2cyclictest703-21snmpd21:30:141
108119986,2cyclictest703-21snmpd21:16:481
108119986,2cyclictest703-21snmpd20:23:271
108119986,1cyclictest23651-21latency_hist19:45:001
108119985,2cyclictest703-21snmpd23:56:501
108119985,2cyclictest703-21snmpd23:38:251
108119985,2cyclictest703-21snmpd22:51:021
108119985,2cyclictest703-21snmpd20:11:551
108119984,3cyclictest703-21snmpd23:24:071
108119977,0cyclictest703-21snmpd23:12:311
108119977,0cyclictest703-21snmpd22:46:241
108119977,0cyclictest703-21snmpd22:11:521
108119977,0cyclictest703-21snmpd21:50:461
108119977,0cyclictest703-21snmpd19:54:411
108119977,0cyclictest703-21snmpd19:36:431
108119976,1cyclictest703-21snmpd19:28:381
108119976,1cyclictest423-21irqbalance22:21:391
108119976,1cyclictest423-21irqbalance21:58:401
108119976,1cyclictest27907-21kworker/u4:2+nfsiod21:25:271
108119976,1cyclictest17976-21sendmail_mailqu21:00:191
108119976,1cyclictest14023-21gltestperf23:40:111
108119976,1cyclictest11562-21ntp_kernel_err19:10:161
108119975,2cyclictest703-21snmpd23:50:201
108119975,2cyclictest703-21snmpd21:07:591
108119975,2cyclictest703-21snmpd20:36:011
108119975,2cyclictest703-21snmpd20:15:541
108119974,2cyclictest703-21snmpd19:19:441
108119974,2cyclictest703-21snmpd00:15:231
108119966,0cyclictest294-21hwrng00:01:431
108119965,1cyclictest7329-21cpuspeed_turbos20:30:081
108119965,1cyclictest703-21snmpd00:20:361
108119965,1cyclictest703-21snmpd00:05:301
108119965,1cyclictest10554-21missed_timers23:05:151
108119964,2cyclictest703-21snmpd00:38:521
108119964,2cyclictest32380-21ntpq20:05:181
108119963,2cyclictest703-21snmpd23:30:091
108119963,2cyclictest703-21snmpd19:20:081
108119954,1cyclictest26628-21head00:25:151
108119953,2cyclictest0-21swapper/122:05:141
108119941,2cyclictest15795-21uname20:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional