You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 15:51

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 #3, slot #5

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
  Eltec
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5s.osadl.org (updated Tue Aug 04, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194312740sleep1121750irq/30-eth0_g0_20:02:061
247642700sleep1121750irq/30-eth0_g0_20:22:221
185712590sleep0121750irq/30-eth0_g0_22:08:290
53932570sleep1121750irq/30-eth0_g0_23:27:241
192842480sleep1121650irq/29-eth0_g0_00:23:211
121750480irq/30-eth0_g0_31ksoftirqd/000:32:210
121480ksoftirqd/1121750irq/30-eth0_g0_19:07:230
121750440irq/30-eth0_g0_1219-21kworker/1:221:17:201
121650440irq/29-eth0_g0_31ksoftirqd/023:17:420
121650440irq/29-eth0_g0_31ksoftirqd/020:17:260
262172430sleep0121650irq/29-eth0_g0_22:41:440
121650430irq/29-eth0_g0_31ksoftirqd/023:57:490
121650430irq/29-eth0_g0_31ksoftirqd/021:57:050
121650430irq/29-eth0_g0_31ksoftirqd/020:57:210
121430ksoftirqd/1121650irq/29-eth0_g0_23:17:051
121650420irq/29-eth0_g0_5197-21proc_pri19:02:240
121650420irq/29-eth0_g0_31ksoftirqd/022:51:430
121650420irq/29-eth0_g0_13-21kworker/0:100:26:190
121420ksoftirqd/1121750irq/30-eth0_g0_21:37:461
121750410irq/30-eth0_g0_5119-21chrt19:02:221
121750410irq/30-eth0_g0_20106-21ntpq00:27:241
121750410irq/30-eth0_g0_1219-21kworker/1:222:13:171
121650410irq/29-eth0_g0_31ksoftirqd/023:53:370
121650410irq/29-eth0_g0_31ksoftirqd/023:53:370
121650410irq/29-eth0_g0_31ksoftirqd/021:32:220
121650410irq/29-eth0_g0_31ksoftirqd/021:26:010
121650410irq/29-eth0_g0_22533-21timerandwakeup20:12:270
121650410irq/29-eth0_g0_22533-21timerandwakeup20:12:270
121650410irq/29-eth0_g0_13-21kworker/0:122:46:100
121650410irq/29-eth0_g0_13-21kworker/0:121:59:180
121650410irq/29-eth0_g0_13-21kworker/0:121:08:510
121650410irq/29-eth0_g0_13-21kworker/0:100:30:510
121650410irq/29-eth0_g0_13-21kworker/0:100:18:190
121650410irq/29-eth0_g0_13-21kworker/0:100:13:400
121650410irq/29-eth0_g0_0-21swapper/020:04:060
121750400irq/30-eth0_g0_1219-21kworker/1:222:07:261
121650400irq/29-eth0_g0_13-21kworker/0:123:51:210
121650400irq/29-eth0_g0_13-21kworker/0:123:46:350
121650400irq/29-eth0_g0_13-21kworker/0:123:25:080
121650400irq/29-eth0_g0_13-21kworker/0:122:23:460
121650400irq/29-eth0_g0_13-21kworker/0:121:51:460
121650400irq/29-eth0_g0_13-21kworker/0:121:46:090
121650400irq/29-eth0_g0_0-21swapper/023:12:210
121750390irq/30-eth0_g0_22117-21/usr/sbin/munin20:12:191
121750390irq/30-eth0_g0_22117-21/usr/sbin/munin20:12:191
121750390irq/30-eth0_g0_21155-21/usr/sbin/munin20:07:231
121750390irq/30-eth0_g0_1219-21kworker/1:222:32:431
121650390irq/29-eth0_g0_31ksoftirqd/022:12:180
121650390irq/29-eth0_g0_31ksoftirqd/021:19:060
121650390irq/29-eth0_g0_1964-21runrttasks21:27:070
121650390irq/29-eth0_g0_13-21kworker/0:123:32:540
121650390irq/29-eth0_g0_13-21kworker/0:123:02:280
121650390irq/29-eth0_g0_13-21kworker/0:122:17:570
121650390irq/29-eth0_g0_13-21kworker/0:100:03:350
121390ksoftirqd/1121750irq/30-eth0_g0_21:15:440
121390ksoftirqd/1121650irq/29-eth0_g0_23:30:350
121390ksoftirqd/1121650irq/29-eth0_g0_21:59:461
121390ksoftirqd/1121650irq/29-eth0_g0_19:40:011
121390ksoftirqd/1121650irq/29-eth0_g0_19:40:011
111612390sleep0121650irq/29-eth0_g0_21:37:550
121750380irq/30-eth0_g0_4894-21unixbench_multi21:12:291
121750380irq/30-eth0_g0_1219-21kworker/1:221:50:361
121650380irq/29-eth0_g0_1964-21runrttasks23:10:040
121650380irq/29-eth0_g0_1964-21runrttasks19:14:400
121650380irq/29-eth0_g0_13-21kworker/0:122:54:560
121650380irq/29-eth0_g0_13-21kworker/0:122:32:500
121650380irq/29-eth0_g0_13-21kworker/0:122:27:430
121650380irq/29-eth0_g0_13-21kworker/0:122:05:450
121650380irq/29-eth0_g0_13-21kworker/0:122:05:450
121650380irq/29-eth0_g0_13-21kworker/0:100:08:050
121650380irq/29-eth0_g0_0-21swapper/022:57:300
121650380irq/29-eth0_g0_0-21swapper/022:57:300
121380ksoftirqd/1121650irq/29-eth0_g0_22:52:261
121750370irq/30-eth0_g0_14583-21/usr/sbin/munin19:42:421
121750370irq/30-eth0_g0_1219-21kworker/1:223:02:231
121750370irq/30-eth0_g0_1219-21kworker/1:222:17:251
121750370irq/30-eth0_g0_1219-21kworker/1:222:06:461
121750370irq/30-eth0_g0_1219-21kworker/1:222:06:461
121750370irq/30-eth0_g0_1219-21kworker/1:200:22:021
121750370irq/30-eth0_g0_0-21swapper/121:09:251
121650370irq/29-eth0_g0_1964-21runrttasks23:37:070
121650370irq/29-eth0_g0_1964-21runrttasks20:36:180
121650370irq/29-eth0_g0_1964-21runrttasks19:53:490
121650370irq/29-eth0_g0_0-21swapper/019:47:240
121370ksoftirqd/1121650irq/29-eth0_g0_00:17:061
121750360irq/30-eth0_g0_26867-21/usr/sbin/munin22:42:291
121750360irq/30-eth0_g0_1219-21kworker/1:223:44:151
121750360irq/30-eth0_g0_1219-21kworker/1:221:33:401
121750360irq/30-eth0_g0_1219-21kworker/1:219:17:271
121750360irq/30-eth0_g0_1219-21kworker/1:200:33:291
121750360irq/30-eth0_g0_0-21swapper/122:50:471
121650360irq/29-eth0_g0_30803-21latency20:47:220
121650360irq/29-eth0_g0_1964-21runrttasks20:09:350
121650360irq/29-eth0_g0_1964-21runrttasks19:57:230
121650360irq/29-eth0_g0_1964-21runrttasks19:30:220
121650360irq/29-eth0_g0_15109-21grep19:42:400
121360ksoftirqd/1121650irq/29-eth0_g0_20:17:281
291182350sleep12060-21sendmail20:41:071
121750350irq/30-eth0_g0_8481-21sendmail_mailst21:27:261
121750350irq/30-eth0_g0_32630-21df_inode23:07:181
121750350irq/30-eth0_g0_1219-21kworker/1:223:54:131
121750350irq/30-eth0_g0_1219-21kworker/1:223:54:131
121750350irq/30-eth0_g0_1219-21kworker/1:223:49:271
121750350irq/30-eth0_g0_1219-21kworker/1:223:38:061
121750350irq/30-eth0_g0_1219-21kworker/1:222:27:121
121750350irq/30-eth0_g0_1219-21kworker/1:200:02:211
121750350irq/30-eth0_g0_0-21swapper/122:59:251
121750350irq/30-eth0_g0_0-21swapper/122:59:251
121750350irq/30-eth0_g0_0-21swapper/121:56:271
121650350irq/29-eth0_g0_29526-21iostat20:42:200
121650350irq/29-eth0_g0_28764-21unixbench_singl20:37:270
121650350irq/29-eth0_g0_1964-21runrttasks21:02:430
121650350irq/29-eth0_g0_14502-21latency_hist19:42:060
121650350irq/29-eth0_g0_14502-21latency_hist19:42:060
121650350irq/29-eth0_g0_12494-21ntp_kernel_pll_19:32:230
121350ksoftirqd/1121650irq/29-eth0_g0_19:22:201
121750340irq/30-eth0_g0_6666-21unixbench_singl19:07:281
121750340irq/30-eth0_g0_32423-21unixbench_singl20:52:271
121750340irq/30-eth0_g0_30004-21head20:42:281
121750340irq/30-eth0_g0_26841-21/usr/sbin/munin20:32:161
121750340irq/30-eth0_g0_1219-21kworker/1:223:17:371
121750340irq/30-eth0_g0_1219-21kworker/1:222:22:241
121750340irq/30-eth0_g0_1219-21kworker/1:200:07:121
121750340irq/30-eth0_g0_0-21swapper/123:32:181
121750340irq/30-eth0_g0_0-21swapper/122:41:531
121650340irq/29-eth0_g0_9722-21sed19:22:170
121650340irq/29-eth0_g0_1964-21runrttasks20:28:190
121650340irq/29-eth0_g0_1964-21runrttasks20:26:120
121650340irq/29-eth0_g0_1964-21runrttasks19:17:190
121650340irq/29-eth0_g0_12158-21sendmail_mailqu21:42:281
121650340irq/29-eth0_g0_0-21swapper/020:57:060
121750330irq/30-eth0_g0_924-21ntp_states20:57:221
121750330irq/30-eth0_g0_31657-21munin-run20:52:061
121750330irq/30-eth0_g0_1964-21runrttasks23:58:551
121750330irq/30-eth0_g0_12455-21netstat19:32:211
121750330irq/30-eth0_g0_1219-21kworker/1:221:22:291
121750330irq/30-eth0_g0_0-21swapper/120:02:201
121650330irq/29-eth0_g0_83142chrt19:16:551
121750320irq/30-eth0_g0_11754-21taskset19:29:061
121750320irq/30-eth0_g0_0-21swapper/123:22:151
121750320irq/30-eth0_g0_0-21swapper/119:47:271
121650320irq/29-eth0_g0_0-21swapper/121:07:051
121750310irq/30-eth0_g0_25672-21df20:27:171
121750290irq/30-eth0_g0_17224-21ethtool19:52:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional