You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 13:28
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 rack0slot4.osadl.org (updated Tue Dec 02, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15496482414387,18sleep80-21swapper/819:06:5314
15498172385379,4sleep150-21swapper/1519:09:097
15497412360316,16sleep00-21swapper/019:08:050
15497282360316,14sleep60-21swapper/619:07:5512
15497272356312,14sleep50-21swapper/519:07:5411
15495602354310,14sleep140-21swapper/1419:05:386
15495592352311,33sleep130-21swapper/1319:05:375
15498282351312,32sleep70-21swapper/719:09:1713
15495512344300,14sleep110-21swapper/1119:05:353
15497532343320,15sleep100-21swapper/1019:08:152
15496092343320,15sleep90-21swapper/919:06:2215
15498332341298,14sleep120-21swapper/1219:09:224
15463152340317,15sleep30-21swapper/319:05:119
15497612339317,14sleep10-21swapper/119:08:231
15495672339315,15sleep40-21swapper/419:05:4410
15497852338316,14sleep20-21swapper/219:08:408
155029599319319,0cyclictest0-21swapper/1319:10:185
155026999240239,1cyclictest1552775-21nodev-device-ev19:10:1811
155027399198197,1cyclictest1613746-21nodev-device-ev20:20:2012
155029999167167,0cyclictest0-21swapper/1420:20:206
155029599105102,3cyclictest1605197-21nodev-device-ev20:10:195
155029599105102,3cyclictest1605197-21nodev-device-ev20:10:195
155025399103102,1cyclictest1793265-21nodev-device-ev23:50:180
155025399101100,1cyclictest1562438-21nodev-device-ev19:20:180
1550253999897,1cyclictest221rcuc/019:25:200
1550263999493,1cyclictest1801818-21nodev-device-ev00:00:189
155027999930,93cyclictest0-21swapper/819:25:2014
1550253998887,1cyclictest0-21swapper/023:05:200
1550265998786,1cyclictest0-21swapper/423:10:1710
1550265998786,1cyclictest0-21swapper/423:10:1710
1550255998786,1cyclictest1643650-21nodev-device-ev20:55:211
1550302998685,1cyclictest1724896-21nodev-device-ev22:30:197
1550295998584,1cyclictest1776172-21nodev-device-ev23:30:195
1550293998281,1cyclictest1759076-21nodev-device-ev23:10:174
1550293998281,1cyclictest1759076-21nodev-device-ev23:10:174
1550295998180,1cyclictest1588081-21nodev-device-ev19:50:195
1550255998180,1cyclictest0-21swapper/119:35:181
1550299997978,1cyclictest1618008-21nodev-device-ev20:25:206
1550265997877,1cyclictest0-21swapper/421:15:1710
1550302997574,1cyclictest1656492-21nodev-device-ev21:10:187
1550293997573,1cyclictest1660779-21nodev-device-ev21:15:174
1550253997574,1cyclictest1647911-21nodev-device-ev21:00:190
1550259997170,1cyclictest0-21swapper/222:25:198
1550285996564,1cyclictest1788989-21nodev-device-ev23:45:172
1550273996462,1cyclictest1600913-21nodev-device-ev20:05:2312
1550273996462,1cyclictest1600913-21nodev-device-ev20:05:2312
1550283996160,1cyclictest0-21swapper/920:55:2115
1550283995554,1cyclictest1575271-21nodev-device-ev19:35:1815
1550302994746,1cyclictest1763364-21nodev-device-ev23:15:187
1550302994746,1cyclictest1763364-21nodev-device-ev23:15:187
1550253993938,1cyclictest1827495-21nodev-device-ev00:30:160
1550263993535,0cyclictest1806082-21kworker/3:2+events00:18:459
1550263993534,1cyclictest1647896-21kworker/3:1+events22:00:199
1550279993434,0cyclictest0-21swapper/800:10:2014
1550263993434,0cyclictest1806082-21kworker/3:2+events00:30:139
1550263993434,0cyclictest1647896-21kworker/3:1+events22:10:139
1550263993433,1cyclictest1559638-21kworker/3:0+events20:15:239
1550299993332,1cyclictest0-21swapper/1420:05:236
1550299993332,1cyclictest0-21swapper/1420:05:236
155028999339,11cyclictest0-21swapper/1121:02:473
155028999338,12cyclictest0-21swapper/1119:12:563
1550279993333,0cyclictest0-21swapper/820:20:0514
1550279993333,0cyclictest0-21swapper/800:36:1114
1550255993332,1cyclictest0-21swapper/119:30:201
1550299993232,0cyclictest0-21swapper/1420:38:136
155028999328,11cyclictest0-21swapper/1123:25:333
155028999328,11cyclictest0-21swapper/1122:41:373
155028999328,11cyclictest0-21swapper/1122:19:403
155028999328,11cyclictest0-21swapper/1121:46:423
155028999328,11cyclictest0-21swapper/1121:35:433
155028999328,11cyclictest0-21swapper/1121:24:453
155028999328,11cyclictest0-21swapper/1120:51:483
155028999328,11cyclictest0-21swapper/1119:56:523
155028999328,11cyclictest0-21swapper/1119:34:543
155028999328,11cyclictest0-21swapper/1100:20:283
155028999328,11cyclictest0-21swapper/1100:09:293
1550289993226,3cyclictest1703561-21kworker/u32:3+events_unbound22:57:213
1550279993232,0cyclictest0-21swapper/823:06:1114
1550279993232,0cyclictest0-21swapper/822:03:4714
1550279993232,0cyclictest0-21swapper/821:39:2314
1550263993232,0cyclictest1806082-21kworker/3:2+events00:35:239
1550263993232,0cyclictest1743602-21kworker/3:1+events23:50:219
1550263993232,0cyclictest1743602-21kworker/3:1+events23:00:219
1550263993232,0cyclictest1712074-21kworker/3:0+events22:55:239
1550263993231,1cyclictest1635084-21kworker/3:2+events21:00:219
1550279993131,0cyclictest0-21swapper/823:25:4114
1550279993131,0cyclictest0-21swapper/821:58:2214
1550279993131,0cyclictest0-21swapper/819:48:5314
1550275993130,1cyclictest0-21swapper/722:30:1913
1550263993131,0cyclictest1712074-21kworker/3:0+events22:47:339
1550263993131,0cyclictest1647896-21kworker/3:1+events21:45:169
1550263993131,0cyclictest1647896-21kworker/3:1+events21:15:259
1550263993131,0cyclictest1559638-21kworker/3:0+events20:10:199
1550263993131,0cyclictest1559638-21kworker/3:0+events20:10:199
1550263993131,0cyclictest1559638-21kworker/3:0+events19:25:239
1550263993131,0cyclictest1523922-21kworker/3:1+events19:15:019
1550263993130,1cyclictest1743602-21kworker/3:1+events00:10:279
1550263993130,1cyclictest1647896-21kworker/3:1+events21:20:199
155025399310,29cyclictest0-21swapper/000:35:160
155028999300,27cyclictest0-21swapper/1120:12:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional