You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-27 - 06:49

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 #6

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 the 100 highest latencies:
System rack8slot6s.osadl.org (updated Fri Mar 27, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29674991918,1cyclictest65850irq/126-lan20:50:193
29674991817,1cyclictest65850irq/126-lan23:30:133
29674991817,1cyclictest65850irq/126-lan22:00:113
29674991817,1cyclictest65850irq/126-lan21:20:153
29674991817,1cyclictest65850irq/126-lan00:15:153
29674991816,2cyclictest65850irq/126-lan23:15:213
29674991816,2cyclictest65850irq/126-lan21:12:253
29674991816,2cyclictest65850irq/126-lan19:45:133
29674991717,0cyclictest65850irq/126-lan23:37:253
29674991716,1cyclictest65850irq/126-lan23:10:173
29674991716,1cyclictest65850irq/126-lan22:30:193
29674991716,1cyclictest65850irq/126-lan20:07:373
29674991716,1cyclictest65850irq/126-lan19:40:113
29674991716,1cyclictest65850irq/126-lan19:30:203
29674991715,2cyclictest65850irq/126-lan21:55:003
29674991616,0cyclictest65850irq/126-lan23:25:103
29674991616,0cyclictest65850irq/126-lan19:16:523
29674991615,1cyclictest65850irq/126-lan21:35:113
29674991615,1cyclictest65850irq/126-lan20:45:163
29674991614,2cyclictest65850irq/126-lan22:40:133
29674991614,2cyclictest65850irq/126-lan20:15:173
29674991614,2cyclictest65850irq/126-lan00:30:163
29674991515,0cyclictest65850irq/126-lan23:55:163
29674991515,0cyclictest65850irq/126-lan22:13:153
29674991514,1cyclictest65850irq/126-lan22:45:113
29674991514,1cyclictest65850irq/126-lan22:39:553
29674991514,1cyclictest65850irq/126-lan22:20:233
29674991514,1cyclictest65850irq/126-lan20:00:203
29674991514,1cyclictest65850irq/126-lan20:00:003
29674991513,2cyclictest65850irq/126-lan23:20:193
29674991513,2cyclictest65850irq/126-lan21:25:183
29674991414,0cyclictest65850irq/126-lan23:00:123
29674991414,0cyclictest65850irq/126-lan20:37:153
29674991414,0cyclictest65850irq/126-lan20:30:133
29674991414,0cyclictest65850irq/126-lan00:25:123
29674991414,0cyclictest65850irq/126-lan00:10:113
29674991413,1cyclictest65850irq/126-lan20:40:163
29674991413,1cyclictest65850irq/126-lan19:51:113
29674991413,1cyclictest65850irq/126-lan00:35:133
29674991412,2cyclictest65850irq/126-lan21:40:203
29674991412,2cyclictest65850irq/126-lan19:35:123
29674991313,0cyclictest65850irq/126-lan00:23:273
29674991312,1cyclictest65850irq/126-lan23:45:123
29674991312,1cyclictest65850irq/126-lan21:00:183
29674991312,1cyclictest65850irq/126-lan20:22:253
29674991212,0cyclictest65850irq/126-lan22:50:143
29674991212,0cyclictest65850irq/126-lan22:15:153
29674991212,0cyclictest65850irq/126-lan20:10:123
29674991211,1cyclictest65850irq/126-lan23:05:003
29674991211,1cyclictest65850irq/126-lan22:55:143
29674991211,1cyclictest65850irq/126-lan19:10:133
29674991211,1cyclictest65850irq/126-lan00:05:223
29674991211,1cyclictest65850irq/126-lan00:01:263
29674991210,2cyclictest65850irq/126-lan20:55:153
29674991111,0cyclictest65850irq/126-lan22:25:123
29674991111,0cyclictest65850irq/126-lan21:30:143
29674991111,0cyclictest65850irq/126-lan21:05:113
29674991111,0cyclictest65850irq/126-lan19:22:253
29674991110,1cyclictest65850irq/126-lan21:15:183
2967499109,1cyclictest65850irq/126-lan23:40:193
29674991010,0cyclictest65850irq/126-lan23:50:143
296749998,1cyclictest65850irq/126-lan22:00:003
296699998,1cyclictest743-21snmpd22:43:412
296699998,1cyclictest743-21snmpd19:17:332
296699998,1cyclictest743-21snmpd19:14:092
296699998,1cyclictest741-21lldpd20:59:122
296699998,1cyclictest741-21lldpd20:49:422
296659998,1cyclictest743-21snmpd23:41:241
296659998,1cyclictest743-21snmpd20:49:211
296579998,1cyclictest743-21snmpd22:01:000
296749986,2cyclictest65850irq/126-lan20:25:123
296699988,0cyclictest743-21snmpd20:41:182
296699988,0cyclictest741-21lldpd21:27:522
296699987,1cyclictest743-21snmpd21:51:352
296699987,1cyclictest743-21snmpd21:10:372
296699986,2cyclictest743-21snmpd22:27:012
296699986,2cyclictest743-21snmpd19:33:192
296699986,2cyclictest717-21ntpd19:23:062
296699982,3cyclictest13369-21cat19:49:552
296659988,0cyclictest743-21snmpd19:20:031
296659988,0cyclictest741-21lldpd00:25:371
296659987,1cyclictest8353-21grep23:50:151
296659987,1cyclictest743-21snmpd23:22:051
296659987,1cyclictest743-21snmpd23:14:531
296659987,1cyclictest743-21snmpd23:01:471
296659987,1cyclictest743-21snmpd21:35:291
296659987,1cyclictest743-21snmpd20:50:061
296659987,1cyclictest743-21snmpd20:25:551
296659987,1cyclictest743-21snmpd19:36:581
296659987,1cyclictest741-21lldpd22:32:411
296659987,1cyclictest741-21lldpd00:16:061
296659987,1cyclictest15895-21fschecks_time19:55:111
296659986,2cyclictest743-21snmpd22:42:041
296659986,2cyclictest743-21snmpd22:18:271
296659986,2cyclictest743-21snmpd22:06:301
296659986,2cyclictest743-21snmpd21:24:101
296659986,2cyclictest743-21snmpd20:57:571
296579988,0cyclictest743-21snmpd22:51:220
296579988,0cyclictest741-21lldpd23:50:440
296579988,0cyclictest741-21lldpd23:16:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional