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2025-12-06 - 10:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sat Dec 06, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1179224242184,89sleep00-21swapper17:37:510
14929916938,113cyclictest20642-21swap22:46:480
14929916838,112cyclictest4114-21latency_hist20:20:220
14929916721,44cyclictest5269-21irqstats18:01:000
14929916632,17cyclictest0-21swapper20:37:560
14929916616,39cyclictest24715-21apt-get19:45:370
14929916533,112cyclictest18313-21processes21:01:480
14929916515,27cyclictest10942-21/usr/sbin/munin20:42:080
14929916436,108cyclictest21885-21users21:12:010
14929916421,27cyclictest2189-21irqstats21:51:260
14929916417,44cyclictest4430-21df20:21:010
14929916414,128cyclictest16500-21memory20:56:340
14929916318,49cyclictest5018-21apt-get22:00:360
14929916317,27cyclictest8491-21users20:32:010
14929916235,21cyclictest11727-21aten_r5power_po22:20:470
14929916234,22cyclictest26110-21aten_r5power_vo21:25:520
14929916217,124cyclictest8207-21munin-run22:10:160
14929916215,38cyclictest16629-21/usr/sbin/munin22:36:460
14929916214,35cyclictest19245-21apt-get21:05:410
14929916134,26cyclictest31781-21users21:42:010
14929916119,25cyclictest27954-21df_inode21:31:120
14929916118,22cyclictest28575-21irqstats19:56:260
14929916114,126cyclictest22501-21users22:51:580
14929916041,22cyclictest4403-21sh21:57:300
14929916016,121cyclictest14797-21ssh20:51:280
14929916015,22cyclictest1197-21irqstats20:11:210
14929916014,44cyclictest23289-21aten_r5power_en22:55:460
14929915939,23cyclictest19393-21sh22:43:110
14929915919,26cyclictest26608-21df_inode23:06:050
14929915918,25cyclictest24298-21apt-get21:20:380
14929915917,41cyclictest32030-21memory20:06:300
14929915917,24cyclictest15253-21df22:31:030
14929915917,22cyclictest10538-21memory22:16:480
1492991589,127cyclictest29862-21aten_r5power_cu20:00:440
14929915831,31cyclictest0-21swapper21:40:010
14929915817,23cyclictest3429-21fw_conntrack17:50:550
14929915815,42cyclictest12144-21apt-get18:40:380
14929915815,20cyclictest5861-21apt-get20:25:400
14929915813,125cyclictest13064-21irqstats20:46:200
14929915730,26cyclictest14845-21sendmail22:30:160
14929915718,37cyclictest26435-21apt-get19:50:370
14929915713,49cyclictest0-21swapper18:21:030
14929915638,23cyclictest406-21entropy21:46:110
14929915622,113cyclictest0-21swapper19:25:370
14929915618,25cyclictest10353-21apt-get18:30:320
14929915618,23cyclictest14869-21apt-get18:55:330
14929915615,39cyclictest8340-21apt-get22:10:360
14929915613,25cyclictest22772-21grep19:36:200
14929915535,22cyclictest13224-21/usr/sbin/munin18:45:430
14929915528,31cyclictest0-21swapper19:43:080
14929915524,33cyclictest0-21swapper21:19:270
14929915514,38cyclictest24733-21apt-get23:00:330
14929915317,27cyclictest21798-21switchtime19:31:180
14929915228,18cyclictest0-21swapper19:05:190
14929915216,22cyclictest4381-21irqstats17:56:010
14929915214,26cyclictest1587-21/usr/sbin/munin17:41:220
14929915130,32cyclictest11985-21unixbench_singl18:36:190
14929915114,23cyclictest18474-21apt-get19:15:290
14929915113,42cyclictest17351-21cat19:06:190
14929915038,22cyclictest2766-21processes17:45:380
14929915021,29cyclictest14177-21df18:50:470
14929915017,29cyclictest19769-21memory19:21:080
14929915016,44cyclictest6103-21df_inode18:05:520
14929914940,21cyclictest17786-21df_abs19:10:480
14929914919,38cyclictest0-21swapper18:26:190
14929914814,29cyclictest6748-21apt-get18:10:270
14929914811,38cyclictest8234-21find18:16:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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