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2026-08-25 - 21:00
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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 376 highest latencies:
System rack9slot4.osadl.org (updated Tue Aug 25, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13190113165sleep0-21swapper/003:59:220
13526991277cyclictest0-21swapper/006:49:590
13234112276sleep0-21swapper/103:59:271
13526991203cyclictest29861-21/usr/sbin/munin04:50:060
13526991178cyclictest0-21swapper/008:09:470
13526991177cyclictest0-21swapper/005:10:110
13526991174cyclictest74-21mmcqd/004:30:200
13526991158cyclictest0-21swapper/006:34:450
13526991158cyclictest0-21swapper/004:45:150
135269911559cyclictest14347-21latency_hist09:14:490
13526991147cyclictest0-21swapper/008:10:070
13526991147cyclictest0-21swapper/005:25:120
13526991147cyclictest0-21swapper/005:25:120
13526991143cyclictest21309-21latency_hist04:24:410
13526991138cyclictest0-21swapper/007:54:470
13526991138cyclictest0-21swapper/006:04:440
13526991134cyclictest26881-21missed_timers04:40:100
13526991124cyclictest15980-21/usr/sbin/munin09:20:260
13526991118cyclictest0-21swapper/008:54:480
13526991118cyclictest0-21swapper/004:10:100
13526991118cyclictest0-21swapper/004:04:400
13526991115cyclictest731-21fschecks_count08:30:080
13526991113cyclictest32729-21latency_hist08:29:480
13526991113cyclictest16200-21chrt05:50:130
13526991107cyclictest0-21swapper/007:09:550
13526991098cyclictest0-21swapper/005:30:110
13526991098cyclictest0-21swapper/004:54:420
13526991093cyclictest7201-21/usr/sbin/munin08:50:120
13526991093cyclictest18912-21aten_r9power_po07:44:590
13526991088cyclictest0-21swapper/006:20:130
13526991088cyclictest0-21swapper/006:15:130
13526991084cyclictest1620-21cat06:49:460
13526991068cyclictest0-21swapper/004:34:410
13526991064cyclictest6599-21cstates07:04:590
13526991057cyclictest0-21swapper/006:25:000
13526991053cyclictest3917-21fschecks_time08:40:100
13526991028cyclictest0-21swapper/007:04:450
13526991028cyclictest0-21swapper/004:19:410
13526991027cyclictest0-21swapper/004:25:030
13526991024cyclictest29659-21latency_hist08:19:480
13526991017cyclictest0-21swapper/005:05:000
135269910110cyclictest0-21swapper/004:05:190
13526991007cyclictest0-21swapper/007:55:000
13526991006cyclictest0-21swapper/006:00:230
13526991003cyclictest0-21swapper/007:40:120
1352699998cyclictest0-21swapper/007:15:010
1352699993cyclictest31172-21latency_hist08:24:480
1352699993cyclictest31172-21latency_hist08:24:480
13526999912cyclictest23110-21sshd06:14:420
1352699978cyclictest0-21swapper/009:05:140
1352699973cyclictest24941-21latency_hist08:04:470
1352699969cyclictest0-21swapper/005:49:430
1352699967cyclictest0-21swapper/009:15:150
1352699958cyclictest0-21swapper/007:19:550
1352699947cyclictest0-21swapper/009:00:130
1352699918cyclictest0-21swapper/006:55:140
1352699918cyclictest0-21swapper/006:55:140
13526999140cyclictest3410-21latency_hist08:39:480
13526999010cyclictest0-21swapper/005:00:120
1352699898cyclictest0-21swapper/007:35:160
1352699898cyclictest0-21swapper/006:35:190
1352699898cyclictest0-21swapper/005:40:110
1352699898cyclictest0-21swapper/005:20:160
1352699895cyclictest297-21snmpd07:29:460
1352699893cyclictest74-21mmcqd/005:15:070
1352699888cyclictest0-21swapper/009:25:210
1352699877cyclictest0-21swapper/006:39:480
1352699867cyclictest0-21swapper/005:54:570
1352699848cyclictest0-21swapper/005:35:110
1352699838cyclictest0-21swapper/008:45:220
1352699828cyclictest0-21swapper/007:30:240
22950660irq/18-spi_topc1353599cyclictest05:15:451
22950650irq/18-spi_topc1353599cyclictest08:36:181
22950640irq/18-spi_topc1353599cyclictest09:10:501
22950640irq/18-spi_topc1353599cyclictest05:21:461
6950620irq/18-mmc01353599cyclictest07:39:201
33350620irq/43-eth0297-21snmpd04:30:511
22950620irq/18-spi_topc1353599cyclictest08:57:521
1353599628cyclictest0-21swapper/107:05:151
22950610irq/18-spi_topc1353599cyclictest09:28:181
22950610irq/18-spi_topc1353599cyclictest06:59:541
22950610irq/18-spi_topc1353599cyclictest06:52:141
22950610irq/18-spi_topc1353599cyclictest06:39:131
33350600irq/43-eth024832-21basename06:19:571
33350600irq/43-eth00-21swapper/109:05:191
22950600irq/18-spi_topc1353599cyclictest08:31:181
22950600irq/18-spi_topc1353599cyclictest07:16:161
22950600irq/18-spi_topc1353599cyclictest07:11:151
22950600irq/18-spi_topc1353599cyclictest06:24:491
22950600irq/18-spi_topc1353599cyclictest05:26:471
22950600irq/18-spi_topc1353599cyclictest05:26:471
22950600irq/18-spi_topc1353599cyclictest05:04:471
1353599609cyclictest0-21swapper/109:20:141
1353599607cyclictest0-21swapper/107:57:501
13535996014cyclictest0-21swapper/108:40:191
13535996012cyclictest0-21swapper/106:45:101
13535996012cyclictest0-21swapper/104:25:061
13535996011cyclictest0-21swapper/107:30:121
13535996010cyclictest0-21swapper/107:20:171
1799590migration/120122-21/usr/sbin/munin04:19:561
1799590migration/110023-21/usr/sbin/munin09:00:051
1353599596cyclictest0-21swapper/104:08:461
22950580irq/18-spi_topc1353599cyclictest05:54:171
22950580irq/18-spi_topc1353599cyclictest04:14:411
1799580migration/129766-21/usr/sbin/munin04:50:041
1353599589cyclictest0-21swapper/109:15:281
1353599589cyclictest0-21swapper/105:29:531
1353599589cyclictest0-21swapper/105:00:121
1353599588cyclictest0-21swapper/108:15:471
13535995810cyclictest0-21swapper/108:20:141
13535995810cyclictest0-21swapper/108:20:141
33350570irq/43-eth018737-21cpuspeed05:59:561
22950570irq/18-spi_topc1353599cyclictest06:43:491
22950570irq/18-spi_topc1353599cyclictest05:49:121
22950570irq/18-spi_topc1353599cyclictest04:02:101
1799570migration/13513-21/usr/sbin/munin06:55:011
1799570migration/13513-21/usr/sbin/munin06:55:011
1799570migration/126113-21/usr/sbin/munin04:39:521
1353599579cyclictest0-21swapper/106:30:131
1353599578cyclictest0-21swapper/105:55:031
1353599577cyclictest0-21swapper/107:28:491
1353599576cyclictest0-21swapper/104:48:091
13535995710cyclictest0-21swapper/107:45:121
33350560irq/43-eth017389-21aten2.4-expect07:40:011
1799560migration/131389-21/usr/sbin/munin04:55:071
1799560migration/124339-21ntp_kernel_pll_08:00:181
1799560migration/120947-21/usr/sbin/munin06:05:131
1799560migration/117088-21/usr/sbin/munin04:10:001
1353599569cyclictest0-21swapper/105:35:181
1353599568cyclictest0-21swapper/107:50:181
13535995611cyclictest0-21swapper/105:40:131
13535995610cyclictest0-21swapper/108:25:231
13535995610cyclictest0-21swapper/106:10:071
1799550migration/124081-21/usr/sbin/munin06:15:161
13535995510cyclictest0-21swapper/105:10:161
1353599549cyclictest0-21swapper/108:50:061
1353599549cyclictest0-21swapper/108:10:171
1353599539cyclictest0-21swapper/108:45:121
1353599539cyclictest0-21swapper/108:05:171
1353599539cyclictest0-21swapper/104:35:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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