OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #c, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

Click here to display the system's profile data or here to proceed to next system.

Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.
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
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackcslot3s.osadl.org (updated Sun Sep 27, 2026 12:43:56)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
11700	2	318	303,5	sleep0	0	-21	swapper/0	07:06:11	0
11758	2	316	309,4	sleep1	0	-21	swapper/1	07:06:57	1
11754	2	315	308,5	sleep2	0	-21	swapper/2	07:06:53	2
11861	2	314	307,5	sleep3	0	-21	swapper/3	07:08:14	3
12265	99	305	0,303	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:40:14	2
12263	99	304	0,303	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	11:00:14	0
12265	99	303	0,302	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:10:13	2
12264	99	303	0,301	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:15:13	1
12266	99	302	0,301	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	09:32:26	3
12263	99	302	0,301	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	11:57:53	0
12266	99	301	0,299	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:15:12	3
12265	99	301	0,300	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	08:57:18	2
12263	99	300	0,299	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:20:13	0
12263	99	300	0,298	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	09:45:13	0
12266	99	299	0,298	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:40:13	3
12264	99	299	0,298	cyclictest	16538	-21	kworker/u16:2+efi_rts_wq	08:10:13	1
12266	99	298	0,297	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:00:12	3
12265	99	295	0,294	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	12:10:17	2
12264	99	295	0,294	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	11:30:12	1
12263	99	295	0,294	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:52:18	0
12263	99	295	0,294	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:35:13	0
12264	99	294	0,293	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:15:13	1
12266	99	291	0,290	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	08:25:11	3
12263	99	291	0,290	cyclictest	21300	-21	kworker/u16:1+efi_rts_wq	11:20:14	0
12266	99	290	0,288	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:20:12	3
12265	99	289	0,288	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:50:12	2
12264	99	287	0,286	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	11:50:11	1
12265	99	286	0,284	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	11:50:11	2
12266	99	285	0,284	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:20:13	3
12264	99	285	0,284	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:40:12	1
12264	99	285	0,284	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:45:12	1
12263	99	285	0,284	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:25:12	0
12266	99	284	0,283	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:20:10	3
12266	99	284	0,283	cyclictest	21300	-21	kworker/u16:1+efi_rts_wq	11:20:14	3
12266	99	284	0,283	cyclictest	16538	-21	kworker/u16:2+efi_rts_wq	07:42:05	3
12264	99	283	0,282	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:22:24	1
12263	99	283	0,282	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:35:12	0
12263	99	283	0,282	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:50:12	0
12265	99	281	0,280	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	11:45:12	2
12266	99	279	0,278	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:15:13	3
12264	99	279	0,278	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:15:13	1
12264	99	277	0,276	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:30:13	1
12263	99	277	0,276	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:22:00	0
12265	99	276	0,275	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:15:13	2
12263	99	276	0,275	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	12:10:18	0
12266	99	274	0,273	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	09:50:11	3
12266	99	274	0,273	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	08:32:14	3
12265	99	272	0,270	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:40:13	2
12264	99	272	0,271	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:10:12	1
12264	99	270	0,269	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:30:12	1
12263	99	270	0,269	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:55:12	0
12266	99	269	0,268	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:35:10	3
12265	99	268	0,267	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	08:25:12	2
12266	99	267	0,266	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:30:12	3
12265	99	267	0,266	cyclictest	16538	-21	kworker/u16:2+efi_rts_wq	08:05:12	2
12263	99	267	0,266	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:40:13	0
12265	99	266	0,265	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	11:00:13	2
12265	99	266	0,263	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:20:10	2
12266	99	265	0,264	cyclictest	16538	-21	kworker/u16:2+efi_rts_wq	08:00:09	3
12265	99	265	0,264	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:10:12	2
12265	99	265	0,264	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:17:58	2
12263	99	265	0,263	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:55:32	0
12266	99	263	0,262	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:30:12	3
12266	99	261	0,260	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:25:11	3
12263	99	261	0,260	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:52:53	0
12265	99	260	0,259	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:25:12	2
12265	99	260	0,259	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:25:12	2
12265	99	259	0,258	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:15:13	2
12263	99	258	0,257	cyclictest	21300	-21	kworker/u16:1+efi_rts_wq	11:17:46	0
12263	99	256	0,255	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:05:15	0
12266	99	255	0,254	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:50:12	3
12264	99	254	0,253	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:32:02	1
12266	99	251	0,250	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:20:11	3
12266	99	249	0,248	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	07:57:08	3
12263	99	248	0,247	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:20:12	0
12263	99	247	0,246	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	12:05:13	0
12266	99	246	0,245	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:55:12	3
12263	99	245	0,244	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:35:13	0
12266	99	244	0,243	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:10:11	3
12263	99	244	0,243	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	08:17:11	0
12266	99	243	0,242	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	12:00:11	3
12264	99	243	0,242	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	08:55:15	1
12264	99	242	0,241	cyclictest	16538	-21	kworker/u16:2+efi_rts_wq	08:22:12	1
12266	99	241	0,240	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:12:33	3
12265	99	241	0,240	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	10:32:37	2
12263	99	241	0,238	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:35:13	0
12266	99	240	0,239	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:02:19	3
12264	99	240	0,239	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	09:50:11	1
12265	99	239	0,238	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:42:39	2
12265	99	239	0,238	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:38:02	2
12265	99	238	0,237	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:37:38	2
12264	99	235	0,234	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	09:27:26	1
12264	99	234	0,233	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	09:57:31	1
12263	99	232	0,231	cyclictest	26119	-21	kworker/u16:2+efi_rts_wq	12:00:12	0
12266	99	231	0,230	cyclictest	7671	-21	kworker/u16:0+efi_rts_wq	11:05:14	3
12263	99	231	0,230	cyclictest	4483	-21	kworker/u16:1+efi_rts_wq	12:25:12	0
12264	99	230	0,229	cyclictest	17849	-21	kworker/u16:0+efi_rts_wq	12:35:13	1
12266	99	228	0,227	cyclictest	21818	-21	kworker/u16:1+efi_rts_wq	07:10:12	3
12265	99	227	0,226	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	10:20:11	2
12263	99	227	0,225	cyclictest	5584	-21	kworker/u16:3+efi_rts_wq	11:40:14	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


Access: public		Short link to this page
This page was last modified on 2019-05-28 - 00:17