You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-24 - 21:11

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 Mon Nov 24, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13059992019,1cyclictest66850irq/125-lan09:22:313
13059991918,1cyclictest66850irq/125-lan11:25:173
13059991918,1cyclictest66850irq/125-lan09:25:223
13059991818,0cyclictest66850irq/125-lan11:50:593
13059991818,0cyclictest66850irq/125-lan11:48:303
13059991818,0cyclictest66850irq/125-lan11:16:403
13059991818,0cyclictest66850irq/125-lan10:38:593
13059991818,0cyclictest66850irq/125-lan10:25:213
13059991817,1cyclictest66850irq/125-lan12:30:203
13059991817,1cyclictest66850irq/125-lan12:07:563
13059991817,1cyclictest66850irq/125-lan10:55:143
13059991817,1cyclictest66850irq/125-lan10:30:143
13059991817,1cyclictest66850irq/125-lan10:07:583
13059991817,1cyclictest66850irq/125-lan09:45:153
13059991817,1cyclictest66850irq/125-lan08:05:203
13059991717,0cyclictest66850irq/125-lan12:24:173
13059991717,0cyclictest66850irq/125-lan12:19:443
13059991717,0cyclictest66850irq/125-lan11:56:593
13059991717,0cyclictest66850irq/125-lan11:31:563
13059991717,0cyclictest66850irq/125-lan11:22:583
13059991717,0cyclictest66850irq/125-lan11:00:493
13059991717,0cyclictest66850irq/125-lan10:50:003
13059991717,0cyclictest66850irq/125-lan10:22:003
13059991717,0cyclictest66850irq/125-lan10:15:143
13059991717,0cyclictest66850irq/125-lan09:59:163
13059991717,0cyclictest66850irq/125-lan09:15:213
13059991717,0cyclictest66850irq/125-lan08:35:193
13059991717,0cyclictest66850irq/125-lan08:32:073
13059991717,0cyclictest66850irq/125-lan08:20:053
13059991717,0cyclictest66850irq/125-lan07:30:153
13059991716,1cyclictest66850irq/125-lan12:35:373
13059991716,1cyclictest66850irq/125-lan12:10:023
13059991716,1cyclictest66850irq/125-lan12:01:023
13059991716,1cyclictest66850irq/125-lan11:41:203
13059991716,1cyclictest66850irq/125-lan10:10:073
13059991716,1cyclictest66850irq/125-lan10:02:053
13059991716,1cyclictest66850irq/125-lan09:51:443
13059991716,1cyclictest66850irq/125-lan08:10:163
13059991716,1cyclictest66850irq/125-lan07:55:003
13059991616,0cyclictest66850irq/125-lan11:38:093
13059991616,0cyclictest66850irq/125-lan11:10:243
13059991616,0cyclictest66850irq/125-lan11:06:573
13059991616,0cyclictest66850irq/125-lan10:45:033
13059991616,0cyclictest66850irq/125-lan10:41:123
13059991616,0cyclictest66850irq/125-lan09:30:153
13059991616,0cyclictest66850irq/125-lan09:10:153
13059991616,0cyclictest66850irq/125-lan08:17:433
13059991616,0cyclictest66850irq/125-lan08:00:173
13059991616,0cyclictest66850irq/125-lan07:59:273
13059991616,0cyclictest66850irq/125-lan07:20:093
13059991615,1cyclictest66850irq/125-lan09:40:413
13059991615,1cyclictest66850irq/125-lan09:37:003
13059991615,1cyclictest66850irq/125-lan09:05:203
13059991615,1cyclictest66850irq/125-lan09:00:143
13059991515,0cyclictest66850irq/125-lan08:51:303
13059991515,0cyclictest66850irq/125-lan08:45:223
13059991515,0cyclictest66850irq/125-lan07:25:203
13059991515,0cyclictest66850irq/125-lan07:17:223
13059991515,0cyclictest66850irq/125-lan07:13:173
13059991514,1cyclictest66850irq/125-lan12:26:223
13059991514,1cyclictest66850irq/125-lan07:40:123
13059991414,0cyclictest66850irq/125-lan08:55:143
13059991414,0cyclictest66850irq/125-lan08:40:153
13059991413,1cyclictest66850irq/125-lan07:35:163
1305699118,3cyclictest771-21snmpd07:47:012
13059991010,0cyclictest66850irq/125-lan08:25:183
13059991010,0cyclictest66850irq/125-lan07:45:163
1305699108,2cyclictest769-21lldpd08:17:532
1305699107,3cyclictest771-21snmpd11:15:202
1305699107,3cyclictest771-21snmpd09:38:472
1305699105,4cyclictest771-21snmpd08:41:422
130569998,1cyclictest771-21snmpd07:21:162
130569997,2cyclictest769-21lldpd09:50:362
130569997,2cyclictest524-21avahi-daemon11:02:542
130569996,3cyclictest9884-21gltestperf08:20:152
130569996,3cyclictest771-21snmpd10:29:552
130569996,3cyclictest771-21snmpd09:44:082
130569996,3cyclictest771-21snmpd08:13:382
130569996,3cyclictest771-21snmpd07:10:452
130569995,4cyclictest771-21snmpd10:39:022
130569995,4cyclictest771-21snmpd08:09:232
130569991,3cyclictest550-21NetworkManager12:00:312
130569991,2cyclictest17758-21kworker/u16:2+xprtiod10:56:442
130569990,2cyclictest30349-21diskmemload10:04:092
130569990,2cyclictest28713-21sh09:45:302
130519998,1cyclictest771-21snmpd09:40:351
130469998,1cyclictest771-21snmpd10:22:490
130469998,1cyclictest771-21snmpd07:31:430
130469998,1cyclictest769-21lldpd09:25:180
130469998,1cyclictest524-21avahi-daemon12:25:530
130569987,1cyclictest771-21snmpd07:28:102
130569987,1cyclictest769-21lldpd10:40:152
130569987,1cyclictest30906-21fschecks_count09:10:132
130569986,2cyclictest771-21snmpd07:50:502
130569986,2cyclictest771-21snmpd07:42:342
130569986,2cyclictest749-21ntpd09:16:102
130569986,2cyclictest749-21ntpd08:30:252
130569985,3cyclictest524-21avahi-daemon08:27:422
130569984,4cyclictest771-21snmpd09:05:162
130569983,5cyclictest550-21NetworkManager11:34:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional