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2026-03-13 - 00:15
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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 Thu Mar 12, 2026 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214951499125105,14cyclictest53-21kswapd009:40:070
2149516998364,6cyclictest2300987-21kworker/u4:1+events_unbound11:26:291
2149516997836,38cyclictest0-21swapper/107:20:331
2149514997868,7cyclictest53-21kswapd009:40:010
2149516997543,29cyclictest2259172-21switchtime10:35:371
2149516997438,33cyclictest2266858-21latency_hist10:45:001
2149516997242,27cyclictest2312859-21ps11:35:361
2149514997265,5cyclictest53-21kswapd011:25:120
2149514997264,6cyclictest53-21kswapd011:20:010
2149516997138,30cyclictest2161099-21latency_hist07:55:001
2149516997040,28cyclictest1-21systemd11:31:291
2149516997035,33cyclictest2325490-21ssh11:50:161
2149516997032,33cyclictest0-21swapper/112:05:361
2149514997062,6cyclictest53-21kswapd010:35:010
2149514997062,5cyclictest0-21swapper/010:55:350
2149514997050,17cyclictest2149513-21cyclictest12:05:100
2149516996958,8cyclictest53-21kswapd010:20:151
214951699695,57cyclictest2222748-21ssh09:55:291
214951699695,23cyclictest2227216-21ssh10:00:261
2149516996935,31cyclictest0-21swapper/111:05:381
214951699682,12cyclictest53-21kswapd010:10:131
2149516996734,31cyclictest2217539-21aten_r7power_po09:50:161
2149516996734,30cyclictest0-21swapper/112:35:171
2149516996734,30cyclictest0-21swapper/112:35:171
2149516996710,52cyclictest2348388-21sh12:15:281
2149514996760,5cyclictest53-21kswapd012:20:000
2149516996657,7cyclictest53-21kswapd010:29:591
2149516996623,39cyclictest0-21swapper/109:40:371
214951699662,18cyclictest2231686-21ssh10:05:271
2149516996543,19cyclictest2179056-21sh09:05:011
214951699653,8cyclictest2189875-21apt-get09:20:141
2149516996531,30cyclictest0-21swapper/111:45:321
2149516996528,34cyclictest2166015-21timerandwakeup08:10:371
214951699652,15cyclictest2161829-21ntpq07:55:271
2149516996453,7cyclictest2181182-21/usr/sbin/munin09:10:211
2149516996436,26cyclictest2208176-21latency_hist09:40:021
2149516996430,31cyclictest0-21swapper/110:30:211
2149516996426,34cyclictest0-21swapper/109:20:011
2149516996411,8cyclictest2357525-21ps12:25:361
214951699635,45cyclictest2172650-21modprobe08:40:001
2149516996351,9cyclictest53-21kswapd009:35:011
214951699635,10cyclictest2298526-21ssh11:20:121
214951699633,15cyclictest2334955-21ssh12:00:251
2149516996331,29cyclictest0-21swapper/111:10:331
2149516996330,29cyclictest0-21swapper/112:30:211
2149516996329,32cyclictest2240283-21fschecks_count10:15:181
2149516996254,6cyclictest53-21kswapd010:50:131
2149516996238,21cyclictest2150741-21kworker/u4:10-rpciod07:20:011
2149516996231,28cyclictest2267373-21df_abs10:45:171
214951699621,13cyclictest2317243-21ntp_states11:40:311
2149514996249,9cyclictest53-21kswapd011:05:140
2149516996150,8cyclictest53-21kswapd011:01:241
2149516996130,27cyclictest0-21swapper/111:15:401
2149516996128,30cyclictest2174403-21fschecks_count08:45:201
2149516996128,29cyclictest0-21swapper/112:10:191
2149516996127,30cyclictest0-21swapper/109:25:291
2149516996126,32cyclictest0-21swapper/108:20:241
214951699612,15cyclictest2159332-21ntpq07:45:291
2149516996046,11cyclictest2330192-21fschecks_time11:55:241
2149516996027,31cyclictest2158173-21sendmail_mailqu07:40:341
2149516996027,30cyclictest0-21swapper/109:45:351
2149514996047,9cyclictest2244813-21diskstats10:20:170
214951699593,20cyclictest2166989-21awk08:15:251
2149516995928,25cyclictest0-21swapper/107:25:161
2149516995926,30cyclictest0-21swapper/108:55:371
2149514995943,10cyclictest0-21swapper/012:10:090
2149516995828,25cyclictest2147008-21kworker/u4:6-xprtiod08:35:021
2149516995824,32cyclictest2353441-21diskmemload12:20:411
2149516995824,32cyclictest2353441-21diskmemload12:20:411
214951699582,15cyclictest2150281-21ntpq07:10:291
2149514995834,14cyclictest2154617-21apt-get07:30:080
2149516995743,9cyclictest2164153-21tune2fs08:05:221
2149516995730,25cyclictest0-21swapper/107:39:591
2149516995722,32cyclictest0-21swapper/110:55:111
214951699566,10cyclictest2155968-21modprobe07:35:011
2149514995543,9cyclictest53-21kswapd012:20:150
2149514995543,9cyclictest53-21kswapd012:20:150
214951699544,10cyclictest1066-21snmpd09:05:261
214951699542,15cyclictest2169549-21ntpq08:25:231
2149516995413,4cyclictest2175512-21aten_r7power_vo08:50:161
2149514995437,15cyclictest2189585-21idleruntime-cro09:20:000
214951699532,17cyclictest2163416-21sort08:00:361
2149514995346,4cyclictest0-21swapper/011:55:140
2149514995245,5cyclictest2360788-21latency_hist12:30:010
2149514995238,11cyclictest0-21swapper/011:20:140
2149514995221,18cyclictest53-21kswapd010:25:110
2149514995145,4cyclictest53-21kswapd009:30:100
2149514995145,4cyclictest53-21kswapd009:25:000
2149514995144,5cyclictest2334689-21gltestperf12:00:190
2149514995144,5cyclictest2159778-21kworker/u4:0+events_unbound07:54:430
2149514995144,5cyclictest2158942-21fschecks_count07:45:170
214951699501,18cyclictest2173414-21sed08:40:251
2149514995045,3cyclictest2255924-21kworker/u4:5+events_unbound11:00:520
2149514995037,7cyclictest2171373-21kworker/u4:408:35:000
2149514995029,19cyclictest2217473-21aten2__09:50:140
214951499502,41cyclictest2326132-21ntpq11:50:300
2149514994943,3cyclictest0-21swapper/011:45:010
2149514994942,5cyclictest2362266-21unixbench-2d12:30:380
2149514994942,5cyclictest0-21swapper/007:40:180
2149514994936,9cyclictest0-21swapper/011:31:200
2149514994930,16cyclictest0-21swapper/009:45:270
2149514994838,6cyclictest2369653-21modprobe12:40:010
2149514994838,6cyclictest2369653-21modprobe12:40:010
2149514994836,6cyclictest2149444-21kworker/u4:3+events_unbound07:29:420
214951499477,16cyclictest2161240-21apt-get07:55:110
2149514994741,4cyclictest2196174-21systemd09:26:080
2149514994740,5cyclictest2175705-21fschecks_time08:50:200
2149514994731,14cyclictest2316084-21cron11:40:000
2149514994722,22cyclictest0-21swapper/011:10:330
214951699462,13cyclictest2149553-21sort07:10:011
2149514994639,5cyclictest2180877-21df_abs09:10:170
2149514994614,8cyclictest0-21swapper/010:35:200
2149514994539,4cyclictest2169295-21fschecks_count08:25:190
2149514994538,5cyclictest2227608-21timerwakeupswit10:00:380
2149514994537,5cyclictest2325161-21latency_hist11:50:010
2149514994525,18cyclictest2244231-21munin-run10:20:010
2149514994437,5cyclictest2263611-21mailstats10:40:360
2149514994437,5cyclictest2151228-21fschecks_time07:15:170
2149514994435,7cyclictest2150688-21unixbench_singl07:10:380
2149514994430,9cyclictest2223050-21find09:55:380
2149514994420,4cyclictest151ktimers/010:45:330
2149514994336,5cyclictest2215267-21kworker/u4:1+events_unbound10:06:140
2149514994335,6cyclictest2235615-21aten_r7power_vo10:10:160
2149514994334,7cyclictest2172493-21unixbench-2d08:35:360
2149514994334,7cyclictest2166568-21aten_r7power_vo08:15:160
2149514994325,15cyclictest25650irq/23-42890000.ethernet10:50:150
2149514994314,15cyclictest2168676-21grep08:20:360
214951499426,26cyclictest2149513-21cyclictest07:10:010
2149514994235,5cyclictest2164217-21fschecks_time08:05:240
2149514994235,5cyclictest2163836-21apt-key08:05:010
2149514994233,7cyclictest2179291-21aten_r7power_en09:05:140
2149514994233,7cyclictest2177982-21aten_r7power_cu09:00:150
2149514994134,5cyclictest2176918-21fschecks_count08:55:190
2149514994134,5cyclictest2173955-21grep08:45:000
2149514994033,5cyclictest2150742-21kworker/u4:11-rpciod07:20:200
2149514993932,5cyclictest2174410-21fschecks_time08:45:200
2149514993930,7cyclictest0-21swapper/008:15:020
2149514993831,5cyclictest2156480-21fschecks_time07:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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