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2025-09-03 - 00:29
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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 02, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30090112079sleep0-21swapper/116:12:581
302929911617cyclictest480-21systemd-journal19:49:030
302929911313cyclictest27028-21sshd21:38:520
302929911310cyclictest16528-21latency_hist17:13:120
30292991113cyclictest28426-21sshd17:48:450
30292991104cyclictest74-21mmcqd/018:23:310
30292991103cyclictest4100-21latency_hist16:33:110
30065111075sleep0-21swapper/016:12:570
30292991098cyclictest0-21swapper/016:18:330
30292991093cyclictest20845-21grep17:23:530
30292991077cyclictest0-21swapper/021:13:210
30292991077cyclictest0-21swapper/020:27:550
302929910710cyclictest2296-21kworker/0:020:58:190
30292991069cyclictest20360-21tail21:28:310
302929910660cyclictest6950irq/18-mmc017:38:140
30292991054cyclictest31867-21latency_hist16:18:110
302929910510cyclictest6616-21needreboot20:08:490
30292991043cyclictest8561-21cut21:08:310
30292991042cyclictest29299-21latency_hist18:58:160
302929910413cyclictest19998-21ssh21:27:560
302929910358cyclictest6950irq/18-mmc017:03:440
30292991027cyclictest0-21swapper/019:08:180
30292991025cyclictest5406-21latency_hist21:03:190
302929910158cyclictest6950irq/18-mmc017:43:130
302929910157cyclictest6950irq/18-mmc019:23:520
30292991013cyclictest5807-21latency_hist18:18:150
30292991013cyclictest21662-21awk20:34:000
30292991006cyclictest9064-21ssh19:18:360
302929910042cyclictest6814-21unixbench_multi16:38:480
30292991004cyclictest13409-21latency_hist17:03:130
3029299998cyclictest0-21swapper/016:23:360
30292999956cyclictest6950irq/18-mmc020:18:180
30292999956cyclictest6950irq/18-mmc020:18:180
3029299994cyclictest8962-21aten2.4-expect16:48:240
3029299993cyclictest4084-21vmstat20:04:000
30292999910cyclictest23884-21df_inode18:48:330
3029299985cyclictest29474-21df_inode20:48:340
3029299984cyclictest5892-21ssh18:18:210
30292999751cyclictest74-21mmcqd/021:18:240
3029299968cyclictest0-21swapper/019:39:550
3029299964cyclictest23414-21latency_hist18:48:150
3029299963cyclictest30589-21latency_hist17:58:140
3029299963cyclictest2710-21latency_hist19:08:160
30292999616cyclictest0-21swapper/018:33:260
30292999616cyclictest0-21swapper/018:33:260
30292999512cyclictest26989-21irqstats20:43:450
3029299948cyclictest0-21swapper/020:32:240
3029299943cyclictest74-21mmcqd/019:38:160
3029299943cyclictest30168-21load19:53:450
3029299937cyclictest0-21swapper/019:47:530
3029299936cyclictest74-21mmcqd/020:38:240
3029299929cyclictest0-21swapper/018:42:420
3029299928cyclictest0-21swapper/019:58:520
30292999260cyclictest6950irq/18-mmc018:28:460
30292999244cyclictest16608-21latency_hist17:13:120
3029299923cyclictest304-21snmpd19:13:410
3029299918cyclictest1-21systemd18:08:460
30292999111cyclictest17393-21latency_hist19:33:160
30292999111cyclictest17393-21latency_hist19:33:160
3029299905cyclictest25505-21rm21:36:530
3029299904cyclictest7878-21ssh21:06:560
30292999021cyclictest11317-21wc16:53:440
3029299888cyclictest0-21swapper/020:53:550
3029299888cyclictest0-21swapper/016:43:450
30292998850cyclictest6950irq/18-mmc018:58:160
3029299883cyclictest11579-21/usr/sbin/munin20:19:250
3029299878cyclictest0-21swapper/017:28:400
30299998638cyclictest1-21systemd21:30:511
30299998618cyclictest31323-21if_eth117:58:381
30292998654cyclictest6950irq/18-mmc016:33:300
3029999854cyclictest11731-21grep18:28:151
30299998532cyclictest9202-21uniq16:48:311
3029999839cyclictest0-21swapper/120:30:081
3029299838cyclictest0-21swapper/018:03:400
30299998223cyclictest33950irq/43-eth020:03:291
3029999807cyclictest0-21swapper/119:43:191
30299998023cyclictest881-21kworker/1:119:08:431
30299998020cyclictest1407-21aten_r9power_po18:08:251
30299998010cyclictest0-21swapper/120:58:501
30299998010cyclictest0-21swapper/120:52:361
30299997923cyclictest13617-21ssh19:25:511
3029299797cyclictest0-21swapper/018:01:260
30292997948cyclictest6950irq/18-mmc017:18:300
30292997942cyclictest74-21mmcqd/017:48:130
3029999789cyclictest0-21swapper/118:38:231
30299997828cyclictest4178-21sed18:13:591
3029999775cyclictest15498-21grep21:18:571
3029999758cyclictest0-21swapper/119:53:571
3029999758cyclictest0-21swapper/118:48:471
30299997523cyclictest0-21swapper/119:15:131
3029999749cyclictest0-21swapper/121:38:551
3029999748cyclictest0-21swapper/121:24:001
3029999748cyclictest0-21swapper/120:40:191
3029999748cyclictest0-21swapper/120:01:211
3029999747cyclictest0-21swapper/117:55:591
30299997421cyclictest0-21swapper/120:22:571
3029999739cyclictest0-21swapper/121:33:291
3029999738cyclictest0-21swapper/119:03:391
3029999738cyclictest0-21swapper/117:19:541
33950710irq/43-eth03029999cyclictest19:28:561
33950710irq/43-eth03029999cyclictest19:28:561
3029999718cyclictest0-21swapper/117:08:171
3029999717cyclictest0-21swapper/117:04:501
30299997123cyclictest0-21swapper/119:18:591
30299997110cyclictest0-21swapper/119:39:211
30299997110cyclictest0-21swapper/117:13:481
33950700irq/43-eth03029999cyclictest20:33:421
33950700irq/43-eth03029999cyclictest18:23:291
3029999708cyclictest0-21swapper/121:13:591
3029999698cyclictest0-21swapper/121:10:391
3029999698cyclictest0-21swapper/120:46:561
3029999698cyclictest0-21swapper/117:43:451
3029999697cyclictest0-21swapper/118:45:021
3029999697cyclictest0-21swapper/117:41:011
33950680irq/43-eth03029999cyclictest21:03:411
3029999688cyclictest0-21swapper/117:48:471
3029999687cyclictest0-21swapper/118:36:511
3029999687cyclictest0-21swapper/118:36:511
3029999687cyclictest0-21swapper/117:31:161
30299996819cyclictest0-21swapper/119:02:181
3029999678cyclictest0-21swapper/120:56:351
3029999678cyclictest0-21swapper/120:56:351
3029999678cyclictest0-21swapper/119:48:341
3029999677cyclictest0-21swapper/120:28:161
3029999677cyclictest0-21swapper/118:53:151
3029999677cyclictest0-21swapper/118:05:181
3029999677cyclictest0-21swapper/117:24:511
3029999677cyclictest0-21swapper/117:01:171
3029999677cyclictest0-21swapper/116:37:461
3029999677cyclictest0-21swapper/116:22:211
3029999677cyclictest0-21swapper/116:16:191
33950660irq/43-eth03029999cyclictest18:18:461
3029999668cyclictest0-21swapper/116:43:531
3029999667cyclictest0-21swapper/119:35:371
3029999658cyclictest0-21swapper/117:33:461
3029999657cyclictest0-21swapper/120:17:231
3029999657cyclictest0-21swapper/120:17:231
3029999657cyclictest0-21swapper/120:09:541
3029999657cyclictest0-21swapper/116:28:251
3029999657cyclictest0-21swapper/116:27:211
3029999647cyclictest0-21swapper/116:55:421
3029999637cyclictest0-21swapper/116:41:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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