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2026-09-22 - 22:44
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot4.osadl.org (updated Tue Sep 22, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14971991175cyclictest28824-21/usr/sbin/munin21:21:350
14773111780sleep0-21swapper/118:55:491
14971991144cyclictest32361-21latency_hist21:36:000
14971991139cyclictest0-21swapper/021:51:180
14971991123cyclictest21536-21latency_hist21:00:580
14971991113cyclictest21747-21latency_hist22:46:000
14971991103cyclictest30688-21basename19:46:080
14971991097cyclictest0-21swapper/023:36:240
14971991094cyclictest32201-21/usr/sbin/munin19:51:330
14775110972sleep0-21swapper/018:55:490
14971991089cyclictest0-21swapper/019:10:550
14971991084cyclictest23133-21/usr/sbin/munin21:06:150
14971991084cyclictest14885-21ntpq22:21:280
14971991077cyclictest0-21swapper/023:51:270
14971991073cyclictest3294-21latency_hist23:31:020
14971991068cyclictest0-21swapper/023:06:380
14971991068cyclictest0-21swapper/021:11:160
14971991067cyclictest0-21swapper/021:43:060
14971991067cyclictest0-21swapper/019:36:140
14971991063cyclictest8977-21latency_hist20:20:570
14971991059cyclictest0-21swapper/022:56:310
14971991053cyclictest10911-21wc22:11:010
14971991048cyclictest0-21swapper/023:36:020
14971991044cyclictest12917-21cpu00:01:150
14971991043cyclictest10535-21latency_hist20:25:570
14971991043cyclictest10535-21latency_hist20:25:570
14971991038cyclictest0-21swapper/023:11:180
14971991038cyclictest0-21swapper/023:11:180
14971991038cyclictest0-21swapper/000:11:030
14971991038cyclictest0-21swapper/000:11:030
149719910356cyclictest6950irq/18-mmc022:36:010
14971991035cyclictest9276-21latency_hist22:05:590
14971991033cyclictest74-21mmcqd/021:50:590
14971991028cyclictest0-21swapper/022:31:010
14971991023cyclictest21855-21cut22:46:110
14971991014cyclictest24844-21latency_hist22:56:010
14971991013cyclictest74-21mmcqd/019:56:300
14971991013cyclictest13077-21ntp_states20:31:290
149719910110cyclictest25851-21latency_hist19:30:550
149719910110cyclictest25851-21latency_hist19:30:550
14971991009cyclictest0-21swapper/023:21:020
14971991009cyclictest0-21swapper/020:41:290
14971991003cyclictest21457-21latency_hist21:00:580
1497199998cyclictest0-21swapper/023:21:200
1497199994cyclictest16501-21latency_hist19:00:540
1497199994cyclictest11668-21fschecks_time23:56:240
1497199983cyclictest21576-21chrt19:16:110
1497199978cyclictest0-21swapper/020:53:050
1497199977cyclictest0-21swapper/021:31:300
1497199968cyclictest0-21swapper/021:26:110
14971999652cyclictest6950irq/18-mmc000:11:350
1497199954cyclictest74-21mmcqd/021:20:590
1497199948cyclictest0-21swapper/022:36:220
1497199937cyclictest0-21swapper/000:16:260
14971999241cyclictest21231-21latency_hist19:15:550
1497199924cyclictest13931-21latency_hist22:21:000
1497199919cyclictest0-21swapper/023:46:210
1497199919cyclictest0-21swapper/019:21:170
1497199909cyclictest0-21swapper/022:06:190
14971999040cyclictest12139-21latency_hist20:30:570
1497199903cyclictest22452-21kworker/u4:019:33:020
1497199899cyclictest0-21swapper/021:56:180
1497199899cyclictest0-21swapper/020:36:140
1497199899cyclictest0-21swapper/019:41:150
1497199879cyclictest0-21swapper/020:06:130
1497199874cyclictest7492-21latency_hist20:15:570
14971998710cyclictest0-21swapper/000:21:090
1497199858cyclictest0-21swapper/020:46:020
14971998510cyclictest0-21swapper/023:06:020
14971998440cyclictest0-21swapper/023:41:280
1497199839cyclictest0-21swapper/020:01:130
1497199828cyclictest0-21swapper/019:05:550
22950630irq/18-spi_topc0-21swapper/122:50:521
14982996311cyclictest0-21swapper/122:11:021
14982996028cyclictest0-21swapper/120:02:381
14982995917cyclictest0-21swapper/122:06:261
14982995917cyclictest0-21swapper/121:16:411
14982995917cyclictest0-21swapper/119:01:121
14982995916cyclictest0-21swapper/121:41:231
14982995916cyclictest0-21swapper/121:11:291
14982995916cyclictest0-21swapper/120:46:331
1498299587cyclictest0-21swapper/120:06:221
14982995834cyclictest0-21swapper/122:26:281
14982995828cyclictest316-21runrttasks23:16:371
14982995817cyclictest0-21swapper/121:21:281
14982995817cyclictest0-21swapper/120:31:361
14982995816cyclictest0-21swapper/121:31:101
14982995816cyclictest0-21swapper/120:41:271
14982995816cyclictest0-21swapper/119:47:421
14982995816cyclictest0-21swapper/100:09:161
14982995816cyclictest0-21swapper/100:09:161
14982995812cyclictest0-21swapper/119:51:511
14982995811cyclictest0-21swapper/123:06:431
14982995811cyclictest0-21swapper/119:44:441
14982995811cyclictest0-21swapper/119:34:261
14982995811cyclictest0-21swapper/119:25:331
14982995720cyclictest0-21swapper/122:51:131
14982995717cyclictest0-21swapper/121:28:171
14982995716cyclictest0-21swapper/123:21:301
14982995716cyclictest0-21swapper/123:11:261
14982995716cyclictest0-21swapper/123:11:261
14982995716cyclictest0-21swapper/121:51:231
14982995715cyclictest0-21swapper/123:56:221
14982995715cyclictest0-21swapper/123:44:081
14982995715cyclictest0-21swapper/123:36:581
14982995715cyclictest0-21swapper/123:01:321
14982995715cyclictest0-21swapper/122:36:331
14982995715cyclictest0-21swapper/122:21:251
14982995715cyclictest0-21swapper/121:01:391
14982995715cyclictest0-21swapper/120:56:261
14982995715cyclictest0-21swapper/120:16:351
14982995715cyclictest0-21swapper/119:56:281
14982995715cyclictest0-21swapper/119:36:301
14982995715cyclictest0-21swapper/118:56:211
14982995715cyclictest0-21swapper/100:16:261
14982995711cyclictest0-21swapper/122:44:141
14982995711cyclictest0-21swapper/120:52:391
14982995711cyclictest0-21swapper/100:13:071
14982995710cyclictest0-21swapper/100:01:351
1498299563cyclictest2259-21/usr/sbin/munin23:26:221
14982995616cyclictest0-21swapper/123:46:261
14982995616cyclictest0-21swapper/119:11:201
14982995616cyclictest0-21swapper/119:06:311
14982995616cyclictest0-21swapper/100:21:291
14982995615cyclictest0-21swapper/122:56:121
14982995615cyclictest0-21swapper/122:35:171
14982995615cyclictest0-21swapper/121:36:221
14982995615cyclictest0-21swapper/120:11:231
14982995615cyclictest0-21swapper/119:26:261
14982995615cyclictest0-21swapper/119:26:261
14982995615cyclictest0-21swapper/119:17:311
14982995614cyclictest0-21swapper/123:31:221
14982995614cyclictest0-21swapper/122:01:341
14982995614cyclictest0-21swapper/121:46:151
14982995614cyclictest0-21swapper/120:26:091
14982995614cyclictest0-21swapper/120:21:091
14982995614cyclictest0-21swapper/120:21:091
14982995611cyclictest0-21swapper/123:55:221
14982995611cyclictest0-21swapper/121:09:401
14982995515cyclictest0-21swapper/122:16:201
14982995515cyclictest0-21swapper/121:56:141
14982995514cyclictest0-21swapper/120:36:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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