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2026-09-06 - 21:47
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack7slot2.osadl.org (updated Sun Sep 06, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1774956999282,7cyclictest1880493-21kworker/u4:7+events_unbound10:35:280
1774958998981,5cyclictest1778751-21kworker/u4:13+events_unbound09:45:161
1774956998938,26cyclictest0-21swapper/011:45:000
1774958997640,32cyclictest1802456-21grep08:55:211
1774956997646,28cyclictest1924106-21ssh11:20:400
1774956997642,31cyclictest1901960-21unixbench_multi10:55:380
1774956997538,34cyclictest1781977-21gltestperf07:35:200
1774956997538,34cyclictest1781977-21gltestperf07:35:200
1774956997427,31cyclictest1807254-21switchtime09:10:400
1774956997427,31cyclictest1807254-21switchtime09:10:390
177495699736,44cyclictest1864500-21munin-run10:15:000
1774956997343,27cyclictest1793012-21idleruntime-cro08:20:000
1774956997328,39cyclictest1935561-21ssh11:34:240
1774958997039,29cyclictest1788688-21processes08:00:361
1774958997036,31cyclictest1895976-21kworker/u4:110:50:001
1774958996930,34cyclictest0-21swapper/112:15:331
1774956996938,27cyclictest1787754-21kworker/u4:14+rpciod08:00:190
177495899684,24cyclictest1865595-21ntpq10:15:321
1774958996840,26cyclictest1905283-21cut11:00:171
1774958996833,32cyclictest1820127-21fschecks_time09:25:191
1774958996822,7cyclictest1959428-21ssh12:00:371
1774958996810,8cyclictest1843109-21ssh09:50:361
1774956996814,49cyclictest1842244-21apt-get09:50:130
1774958996736,28cyclictest1814897-21munin-run09:20:011
1774958996735,29cyclictest1874830-21mailstats10:25:381
1774958996731,31cyclictest0-21swapper/112:30:311
1774958996727,37cyclictest0-21swapper/108:15:011
1774958996727,36cyclictest0-21swapper/111:50:191
1774956996734,27cyclictest1868771-21ssh10:19:430
1774956996733,31cyclictest1870601-21unixbench_singl10:20:430
1774956996720,43cyclictest0-21swapper/011:50:170
1774958996657,6cyclictest1898780-21kworker/u4:5+events_unbound11:10:351
1774958996656,8cyclictest1849065-21kworker/u4:2+events_unbound10:10:261
1774958996639,25cyclictest1801665-21sendmail_mailqu08:50:351
1774958996637,27cyclictest1834251-21mailstats09:40:381
1774958996637,27cyclictest1834251-21mailstats09:40:381
1774958996633,29cyclictest1901901-21timerwakeupswit10:55:381
1774958996631,31cyclictest0-21swapper/112:05:301
1774958996628,34cyclictest0-21swapper/111:20:011
1774958996624,5cyclictest0-21swapper/109:30:301
1774958996537,26cyclictest1897463-21timerwakeupswit10:50:391
1774958996534,29cyclictest1923047-21aten2__11:20:161
177495899653,23cyclictest1805862-21diskmemload12:25:241
177495899653,23cyclictest1805862-21diskmemload12:25:241
1774958996532,30cyclictest0-21swapper/110:00:211
1774958996529,31cyclictest0-21swapper/109:10:011
1774956996534,27cyclictest1784002-21wc07:45:010
1774956996532,29cyclictest0-21swapper/011:55:280
1774956996529,32cyclictest0-21swapper/009:35:320
1774958996427,34cyclictest1883370-21kernelversion10:35:221
1774958996422,7cyclictest53-21kswapd010:40:161
1774958996422,7cyclictest53-21kswapd010:40:161
1774956996432,29cyclictest1905322-21aten_r7power_en11:00:170
1774956996431,30cyclictest1825321-21/usr/sbin/munin09:30:390
1774956996428,32cyclictest0-21swapper/010:30:330
177495899635,14cyclictest1804577-21modprobe09:05:001
1774958996331,28cyclictest0-21swapper/111:45:401
1774958996327,33cyclictest0-21swapper/112:20:361
1774958996324,34cyclictest1799469-21kworker/u4:1008:45:011
1774958996323,6cyclictest0-21swapper/109:10:431
1774958996323,6cyclictest0-21swapper/109:10:431
1774956996357,4cyclictest0-21swapper/009:45:150
1774956996331,29cyclictest1801053-21aten_r7power_vo08:50:160
1774956996329,30cyclictest0-21swapper/009:15:410
1774956996312,34cyclictest1794259-21kworker/u4:1-rpciod08:32:100
1774958996230,29cyclictest1870125-21ssh10:20:341
1774958996229,30cyclictest0-21swapper/107:30:421
1774958996229,28cyclictest0-21swapper/107:15:121
1774958996225,34cyclictest1925242-21kworker/u4:0-rpciod11:25:161
1774956996230,29cyclictest0-21swapper/012:00:210
1774956996229,30cyclictest1967916-21kernelversion12:10:230
1774956996229,30cyclictest0-21swapper/010:05:290
1774958996131,27cyclictest0-21swapper/111:05:311
1774958996129,29cyclictest0-21swapper/112:40:001
1774958996128,4cyclictest1800351-21proc_pri08:45:371
1774958996127,5cyclictest1817697-21kworker/u4:7+rpciod09:35:211
1774958996127,30cyclictest0-21swapper/108:35:231
1774958996126,5cyclictest0-21swapper/107:35:201
1774958996126,5cyclictest0-21swapper/107:35:201
1774958996125,5cyclictest0-21swapper/110:30:231
1774956996132,27cyclictest1778006-21fschecks_time07:20:200
1774956996130,28cyclictest0-21swapper/011:35:170
1774956996127,31cyclictest0-21swapper/009:25:330
177495699612,6cyclictest1914717-21ntpq11:10:240
177495899603,20cyclictest1932635-21ssh11:30:301
1774958996031,26cyclictest1954117-21aten_r7power_cu11:55:161
1774958996029,4cyclictest0-21swapper/111:40:161
1774958996025,4cyclictest0-21swapper/110:00:011
1774958996021,8cyclictest1815634-21fschecks_time09:20:201
177495699606,51cyclictest1794253-21sshd08:21:070
1774956996030,26cyclictest1969687-21kworker/u4:5-rpciod12:15:310
1774956996030,25cyclictest0-21swapper/010:45:120
1774956996027,30cyclictest1896392-21cut10:50:160
1774956996025,32cyclictest0-21swapper/010:40:290
1774956996025,32cyclictest0-21swapper/010:40:290
1774956996024,34cyclictest1789573-21fschecks_time08:05:190
1774958995921,9cyclictest0-21swapper/107:25:161
1774956995949,7cyclictest1918544-21aten2__11:15:150
177495699593,50cyclictest1805307-21ntpq09:05:250
177495699593,14cyclictest1944857-21apt-get11:45:050
1774956995929,27cyclictest0-21swapper/010:25:190
1774956995927,28cyclictest0-21swapper/007:25:370
177495699592,6cyclictest1785637-21diskstats07:50:170
1774956995922,33cyclictest0-21swapper/007:45:300
177495699592,15cyclictest1800200-21ntpq08:45:260
1774958995824,5cyclictest0-21swapper/111:35:221
1774958995823,6cyclictest0-21swapper/107:40:181
1774958995823,32cyclictest1793071-21latency_hist08:20:011
1774956995829,27cyclictest1775372-21fschecks_count07:10:180
177495699582,5cyclictest1787270-21/usr/sbin/munin07:55:280
1774956995825,31cyclictest25650irq/23-42890000.ethernet09:40:270
1774956995825,31cyclictest25650irq/23-42890000.ethernet09:40:270
1774956995825,30cyclictest1796800-21kworker/u4:4-rpciod08:35:400
1774956995824,31cyclictest1980776-21aten_r7power_vo12:25:170
1774956995824,31cyclictest1980776-21aten_r7power_vo12:25:170
1774956995823,31cyclictest0-21swapper/010:00:390
177495699582,11cyclictest1846722-21apt-get09:55:160
177495699581,6cyclictest1928181-21ntpq11:25:300
177495699581,15cyclictest1795114-21ntpq08:25:330
177495699581,13cyclictest1799012-21ntpq08:40:380
1774958995726,28cyclictest0-21swapper/107:10:191
1774958995723,7cyclictest0-21swapper/110:05:261
1774958995723,6cyclictest0-21swapper/107:20:201
1774956995724,30cyclictest0-21swapper/009:20:220
1774956995724,30cyclictest0-21swapper/008:55:400
177495699572,10cyclictest1777528-21sendmail-msp07:20:010
177495699571,7cyclictest1804120-21ntpq09:00:290
1774958995621,6cyclictest1965188-21kworker/u4:4-rpciod12:10:181
1774956995624,27cyclictest0-21swapper/012:40:010
177495699562,14cyclictest1791305-21ps08:10:390
1774958995520,7cyclictest533-21rs:main1
177495699553,7cyclictest1780881-21ntpq07:30:300
1774956995517,34cyclictest25650irq/23-42890000.ethernet12:20:120
177495699551,6cyclictest1985779-21ntpq12:30:290
177495699551,13cyclictest1910322-21ntpq11:05:250
177495699541,9cyclictest1964081-21ls12:05:380
1774958994535,7cyclictest1787534-21timerandwakeup07:55:371
177495699441,13cyclictest1774930-21munin-run07:10:000
177495899428,23cyclictest1795553-21modprobe08:30:011
1774958994228,10cyclictest1794395-21sort08:25:011
1774958994128,10cyclictest0-21swapper/107:50:341
1774958994026,10cyclictest1795846-21basename08:30:151
1774958993831,4cyclictest1777444-21kworker/u4:11-xprtiod07:45:271
1774958993526,5cyclictest1762163-21kworker/u4:4+rpciod07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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