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2025-11-08 - 13:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sat Nov 08, 2025 01:01:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171699315310,2cyclictest0-21swapper/2222:48:5115
171699315310,2cyclictest0-21swapper/2222:48:5015
171699315310,2cyclictest0-21swapper/2222:48:5015
1700992411,3cyclictest0-21swapper/823:25:1938
1700992411,3cyclictest0-21swapper/823:25:1938
1700992411,3cyclictest0-21swapper/823:25:1938
169299236208,11cyclictest0-21swapper/121:35:211
169299236208,11cyclictest0-21swapper/121:35:211
169299236208,11cyclictest0-21swapper/121:35:211
170199235228,4cyclictest15979-21CPU39
170199235228,4cyclictest15979-21CPU39
170199235228,4cyclictest15979-21CPU39
17279923428,79cyclictest9033-21NetworkChangeNo23:05:1926
17279923428,79cyclictest9033-21NetworkChangeNo23:05:1926
17279923428,79cyclictest9033-21NetworkChangeNo23:05:1926
169299231215,2cyclictest0-21swapper/119:15:031
169299231215,2cyclictest0-21swapper/119:15:031
169299230201,12cyclictest8423-21NetworkChangeNo23:15:201
169299230201,12cyclictest8423-21NetworkChangeNo23:15:201
169299230201,12cyclictest8423-21NetworkChangeNo23:15:201
169299226200,6cyclictest0-21swapper/120:55:171
169299226200,6cyclictest0-21swapper/120:55:171
169299221194,5cyclictest4636-21CPU1
169299221194,5cyclictest4636-21CPU1
169299221194,5cyclictest4636-21CPU1
171199216198,7cyclictest20792-21NetworkChangeNo22:05:209
171199216198,7cyclictest20792-21NetworkChangeNo22:05:209
171199216198,7cyclictest20792-21NetworkChangeNo22:05:209
169299216192,5cyclictest29-21ksoftirqd/119:45:181
169299216192,5cyclictest29-21ksoftirqd/119:45:181
172299214208,3cyclictest1525-21avahi-daemon22:55:2120
172299214208,3cyclictest1525-21avahi-daemon22:55:2120
172299214208,3cyclictest1525-21avahi-daemon22:55:2120
172799213202,9cyclictest0-21swapper/3222:34:5126
172799213202,9cyclictest0-21swapper/3222:34:5126
169299211189,6cyclictest171rcu_preempt20:50:531
169299211189,6cyclictest171rcu_preempt20:50:531
170399205155,35cyclictest25200-21inotify_reader00:20:193
170399205155,35cyclictest25200-21inotify_reader00:20:193
169199205177,11cyclictest0-21swapper/022:21:110
169199205177,11cyclictest0-21swapper/022:21:110
169199205177,11cyclictest0-21swapper/022:21:110
1724992041,197cyclictest0-21swapper/2921:05:1622
1724992041,197cyclictest0-21swapper/2921:05:1622
171799203195,4cyclictest4908-21CPU16
171799203195,4cyclictest4908-21CPU16
171799203195,4cyclictest4908-21CPU16
17249920023,92cyclictest4910-21CPU22
17249920023,92cyclictest4910-21CPU22
169299200194,4cyclictest36207-21dircolors00:13:071
169299200194,4cyclictest36207-21dircolors00:13:071
169299200194,4cyclictest36207-21dircolors00:13:071
169199199187,8cyclictest0-21swapper/023:41:220
169199199187,8cyclictest0-21swapper/023:41:220
169499198192,3cyclictest0-21swapper/323:17:4823
169499198192,3cyclictest0-21swapper/323:17:4823
169499198192,3cyclictest0-21swapper/323:17:4823
1723991954,186cyclictest0-21swapper/2821:10:2121
1723991954,186cyclictest0-21swapper/2821:10:2121
1723991954,186cyclictest0-21swapper/2821:10:2121
171899195191,2cyclictest0-21swapper/2420:36:3517
171899195191,2cyclictest0-21swapper/2420:36:3517
172799194164,27cyclictest0-21swapper/3222:42:0126
172799194164,27cyclictest0-21swapper/3222:42:0126
169199194176,10cyclictest171rcu_preempt22:29:370
169199194176,10cyclictest171rcu_preempt22:29:370
1723991935,128cyclictest5273-21inotify_reader23:15:2021
1723991935,128cyclictest5273-21inotify_reader23:15:2021
1723991935,128cyclictest5273-21inotify_reader23:15:2021
171699193182,7cyclictest9327-21CPU15
171699193182,7cyclictest9327-21CPU15
172399191140,47cyclictest0-21swapper/2800:30:1321
172399191140,47cyclictest0-21swapper/2800:30:1321
172399191140,47cyclictest0-21swapper/2800:30:1321
171499191187,3cyclictest21991-21kworker/20:1+events21:05:1713
171499191187,3cyclictest21991-21kworker/20:1+events21:05:1713
169299191186,3cyclictest0-21swapper/100:30:231
169299191186,3cyclictest0-21swapper/100:30:231
169299191186,3cyclictest0-21swapper/100:30:231
169199191163,12cyclictest25768-21kworker/0:2-rcu_gp23:09:180
169199191163,12cyclictest25768-21kworker/0:2-rcu_gp23:09:180
169199191163,12cyclictest25768-21kworker/0:2-rcu_gp23:09:180
172099190148,28cyclictest0-21swapper/2623:02:0219
172099190148,28cyclictest0-21swapper/2623:02:0219
172099190148,28cyclictest0-21swapper/2623:02:0219
169299190183,4cyclictest0-21swapper/123:05:161
169299190183,4cyclictest0-21swapper/123:05:161
169299190183,4cyclictest0-21swapper/123:05:161
169199189180,7cyclictest0-21swapper/021:54:470
169199189180,7cyclictest0-21swapper/021:54:470
169199189179,8cyclictest0-21swapper/023:31:430
169199189179,8cyclictest0-21swapper/023:31:430
169199189179,8cyclictest0-21swapper/023:31:430
171699188178,7cyclictest0-21swapper/2200:28:1415
171699188178,7cyclictest0-21swapper/2200:28:1415
171699188178,7cyclictest0-21swapper/2200:28:1415
170699188174,7cyclictest0-21swapper/1322:55:185
170699188174,7cyclictest0-21swapper/1322:55:185
170699188174,7cyclictest0-21swapper/1322:55:185
17289918759,123cyclictest0-21swapper/3320:35:2227
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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