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2026-01-14 - 12:56
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #2

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 
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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 376 highest latencies:
System rack1slot2s.osadl.org (updated Wed Jan 14, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416923626,0sleep20-21swapper/219:03:222
424223531,0sleep00-21swapper/019:04:120
304450350,0irq/25-eth10-21swapper/319:02:363
432823127,0sleep10-21swapper/119:05:131
45579977,0cyclictest0-21swapper/221:07:202
8215060,0irq/24-0000:00:8405-21munin-run20:47:012
45579960,0cyclictest0-21swapper/222:08:012
45559960,0cyclictest0-21swapper/121:46:361
45549960,0cyclictest0-21swapper/022:46:550
339960,0migration/325718-21sh21:59:103
339960,0migration/315726-21munin-node22:52:193
339960,0migration/31167-21sh21:23:003
339960,0migration/31160-21sh22:24:233
29725060,0irq/27-eth0-tx-2513-21if_eth023:27:142
29725060,0irq/27-eth0-tx-0-21swapper/200:29:452
29715060,0irq/26-eth0-rx-24926-21swap21:17:233
29715060,0irq/26-eth0-rx-10569-21perl23:12:133
29715060,0irq/26-eth0-rx-10251-21kernelversion00:32:153
19160,0ktimersoftd/12603-21diskmemload21:47:331
149960,0migration/032606-21unixbench_multi20:12:250
8215050,0irq/24-0000:00:18687-21ls21:57:012
45579955,0cyclictest0-21swapper/222:57:032
45579955,0cyclictest0-21swapper/220:27:162
45579955,0cyclictest0-21swapper/220:02:122
45579955,0cyclictest0-21swapper/200:32:162
45579950,0cyclictest0-21swapper/222:47:072
45579950,0cyclictest0-21swapper/222:25:212
45559955,0cyclictest0-21swapper/123:08:541
45559955,0cyclictest0-21swapper/122:00:291
45559955,0cyclictest0-21swapper/100:06:461
45559950,0cyclictest0-21swapper/123:06:131
45559950,0cyclictest0-21swapper/122:08:221
45559950,0cyclictest0-21swapper/100:15:171
45559950,0cyclictest0-21swapper/100:11:011
45549955,0cyclictest0-21swapper/023:38:370
45549955,0cyclictest0-21swapper/022:41:330
45549955,0cyclictest0-21swapper/022:25:090
45549950,0cyclictest0-21swapper/023:58:010
45549950,0cyclictest0-21swapper/022:07:490
4150,0ktimersoftd/00-21swapper/021:59:180
4150,0ktimersoftd/00-21swapper/021:29:210
4150,0ktimersoftd/00-21swapper/021:18:180
4150,0ktimersoftd/00-21swapper/000:30:390
35150,0ktimersoftd/30-21swapper/321:08:093
339950,0migration/37788-21munin-node22:47:213
339950,0migration/36128-21kthreadcore23:47:183
339950,0migration/3611-21munin-node20:37:203
339950,0migration/33713-21kthreadcore23:07:163
339950,0migration/331760-21munin-node23:22:203
339950,0migration/330775-21kthreadcore21:02:183
339950,0migration/328127-21taskset20:59:193
339950,0migration/326229-21fschecks_count23:42:133
339950,0migration/325843-21fschecks_time00:22:133
339950,0migration/324996-21kthreadcore20:32:193
339950,0migration/321170-21kthreadcore19:17:163
339950,0migration/320320-21cpuspeed_turbos20:07:143
339950,0migration/319045-21munin-node22:57:133
339950,0migration/31717-21fschecks_time00:07:133
339950,0migration/315297-21aten_r1power_cu20:52:113
29725050,0irq/27-eth0-tx-27256-21munin-node21:22:182
29725050,0irq/27-eth0-tx-16322-21users22:52:242
29725050,0irq/27-eth0-tx-15656-21ssh00:13:132
29725050,0irq/27-eth0-tx-1465-21latency_hist23:27:002
29725050,0irq/27-eth0-tx-1354-21munin-node23:47:142
29725050,0irq/27-eth0-tx-11454-21munin-node19:12:190
29725050,0irq/27-eth0-tx-0-21swapper/223:52:352
29725050,0irq/27-eth0-tx-0-21swapper/223:44:432
29725050,0irq/27-eth0-tx-0-21swapper/222:40:092
29725050,0irq/27-eth0-tx-0-21swapper/222:27:152
29725050,0irq/27-eth0-tx-0-21swapper/221:33:272
29725050,0irq/27-eth0-tx-0-21swapper/020:37:200
29725050,0irq/27-eth0-tx-0-21swapper/019:56:240
29725050,0irq/27-eth0-tx-0-21swapper/019:33:250
29715050,0irq/26-eth0-rx-5690-21kthreadcore22:07:173
29715050,0irq/26-eth0-rx-3294-21df21:27:123
29715050,0irq/26-eth0-rx-29724-21cut21:42:193
29715050,0irq/26-eth0-rx-28318-21kthreadcore22:02:183
29715050,0irq/26-eth0-rx-26181-21cat23:02:013
29715050,0irq/26-eth0-rx-24886-21python21:37:213
29715050,0irq/26-eth0-rx-18385-21perl23:37:133
29715050,0irq/26-eth0-rx-18177-21ssh21:55:393
29715050,0irq/26-eth0-rx-15364-21yum00:12:243
29715050,0irq/26-eth0-rx-0-21swapper/323:32:033
29715050,0irq/26-eth0-rx-0-21swapper/323:27:163
29715050,0irq/26-eth0-rx-0-21swapper/322:33:063
29715050,0irq/26-eth0-rx-0-21swapper/322:27:023
29715050,0irq/26-eth0-rx-0-21swapper/322:12:233
29715050,0irq/26-eth0-rx-0-21swapper/321:32:103
29715050,0irq/26-eth0-rx-0-21swapper/321:12:143
29715050,0irq/26-eth0-rx-0-21swapper/300:20:583
259950,0migration/230962-21munin-node00:22:212
259950,0migration/223822-21switchtime23:17:222
259950,0migration/220938-21latency_hist20:32:012
259950,0migration/21682-21fschecks_time00:07:132
259950,0migration/212520-21timerandwakeup19:57:222
259950,0migration/211758-21kernelversion22:32:152
259950,0migration/210766-21sh21:31:472
19150,0ktimersoftd/10-21swapper/100:32:091
179950,0migration/17767-21munin-node22:47:211
179950,0migration/124963-21dump-pmu-power00:21:591
179950,0migration/124803-21timerandwakeup19:42:221
179950,0migration/117802-21cpuspeed_turbos23:57:111
179950,0migration/114901-21latency23:52:181
169950,0watchdog/123890-21cut21:17:191
149950,0migration/09534-21sh22:50:540
149950,0migration/04604-21kthreadcore21:47:170
149950,0migration/03643-21kthreadcore23:47:170
149950,0migration/0355-21kthreadcore19:27:170
149950,0migration/030507-21kthreadcore21:02:180
149950,0migration/029565-21kthreadcore21:42:190
149950,0migration/027021-21aten2.4-expect22:02:120
149950,0migration/026290-21aten_r1power_en23:02:110
149950,0migration/026016-21kernelversion19:22:170
149950,0migration/024909-21taskset23:19:360
149950,0migration/024291-21latency19:42:170
149950,0migration/023417-21kthreadcore22:57:170
149950,0migration/023189-21timerwakeupswit00:17:220
149950,0migration/017533-21sh22:35:080
149950,0migration/015232-21kthreadcore21:32:170
149950,0migration/010808-21latency_hist21:52:010
149950,0migration/010445-21sh21:11:310
45579944,0cyclictest0-21swapper/219:37:182
45579943,0cyclictest3556-21lldpd19:51:552
45579943,0cyclictest3514-21snmpd21:42:112
45579943,0cyclictest3514-21snmpd19:34:562
45579943,0cyclictest2729-21awk23:07:142
45579943,0cyclictest20927-21awk20:07:162
45579943,0cyclictest1785-21awk20:17:152
45559944,0cyclictest0-21swapper/123:26:521
45559943,0cyclictest3919-21awk21:27:141
45559943,0cyclictest3556-21lldpd23:50:571
45559943,0cyclictest3556-21lldpd23:37:571
45559943,0cyclictest3556-21lldpd21:34:551
45559943,0cyclictest3556-21lldpd19:10:541
45559943,0cyclictest3514-21snmpd22:44:411
45559943,0cyclictest3514-21snmpd19:41:111
45559943,0cyclictest3514-21snmpd19:36:561
45559943,0cyclictest3514-21snmpd00:25:261
45559943,0cyclictest2743-21awk20:42:151
45559943,0cyclictest16209-21awk20:52:151
45559943,0cyclictest12362-21awk19:12:151
45559943,0cyclictest11638-21awk22:12:151
45549944,0cyclictest0-21swapper/023:52:580
45549944,0cyclictest0-21swapper/022:12:420
45549943,0cyclictest7566-21awk19:57:150
45549943,0cyclictest3556-21lldpd21:00:250
45549943,0cyclictest3514-21snmpd20:49:560
45549943,0cyclictest3241-21irqbalance23:07:080
45549943,0cyclictest27416-21sadc20:37:010
45549943,0cyclictest25698-21munin-node19:47:230
45549943,0cyclictest2077-21awk00:07:150
45549943,0cyclictest19664-21awk22:17:150
45549943,0cyclictest13022-21cat20:22:200
45549943,0cyclictest11747-21awk21:12:150
45549943,0cyclictest11180-21awk22:52:160
45549943,0cyclictest10753-21awk23:32:150
339940,0migration/37572-21kthreadcore19:07:133
339940,0migration/331547-21kthreadcore20:12:203
339940,0migration/323307-21kthreadcore22:17:183
339940,0migration/321177-21kthreadcore19:42:163
339940,0migration/311650-21kthreadcore19:57:173
339940,0migration/311394-21latency_hist19:12:013
339940,0migration/310115-21kthreadcore19:32:173
29725040,0irq/27-eth0-tx-23166-21open_inodes23:57:192
29725040,0irq/27-eth0-tx-14289-21cut22:12:172
29725040,0irq/27-eth0-tx-0-21swapper/223:37:222
29725040,0irq/27-eth0-tx-0-21swapper/223:34:152
29725040,0irq/27-eth0-tx-0-21swapper/223:12:352
29725040,0irq/27-eth0-tx-0-21swapper/223:02:062
29725040,0irq/27-eth0-tx-0-21swapper/222:42:172
29725040,0irq/27-eth0-tx-0-21swapper/222:17:022
29725040,0irq/27-eth0-tx-0-21swapper/222:02:142
29725040,0irq/27-eth0-tx-0-21swapper/221:57:492
29725040,0irq/27-eth0-tx-0-21swapper/221:47:502
29725040,0irq/27-eth0-tx-0-21swapper/221:37:102
29725040,0irq/27-eth0-tx-0-21swapper/221:20:352
29725040,0irq/27-eth0-tx-0-21swapper/200:17:162
29725040,0irq/27-eth0-tx-0-21swapper/200:02:042
29725040,0irq/27-eth0-tx-0-21swapper/020:52:130
29725040,0irq/27-eth0-tx-0-21swapper/020:17:150
29725040,0irq/27-eth0-tx-0-21swapper/019:11:030
29715040,0irq/26-eth0-rx-19013-21kthreadcore23:57:163
29715040,0irq/26-eth0-rx-15464-21kthreadcore19:37:173
29715040,0irq/26-eth0-rx-0-21swapper/323:52:163
29715040,0irq/26-eth0-rx-0-21swapper/323:17:303
29715040,0irq/26-eth0-rx-0-21swapper/322:42:113
29715040,0irq/26-eth0-rx-0-21swapper/322:39:463
29715040,0irq/26-eth0-rx-0-21swapper/321:48:153
29715040,0irq/26-eth0-rx-0-21swapper/320:02:123
29715040,0irq/26-eth0-rx-0-21swapper/319:52:123
29715040,0irq/26-eth0-rx-0-21swapper/300:27:083
29715040,0irq/26-eth0-rx-0-21swapper/300:02:163
259940,0migration/228042-21kthreadcore20:12:192
259940,0migration/227600-21kthreadcore19:22:182
259940,0migration/225466-21sh19:47:012
259940,0migration/219431-21kthreadcore19:17:162
259940,0migration/218057-21kthreadcore20:52:172
259940,0migration/216362-21kthreadcore19:12:172
259940,0migration/214058-21runrttasks20:26:132
249940,0watchdog/2473-21kthreadcore21:02:192
249940,0watchdog/223943-21cut20:57:152
179940,0migration/15123-21kthreadcore19:52:201
179940,0migration/14824-21kthreadcore22:27:151
179940,0migration/128099-21fschecks_count20:37:141
179940,0migration/126544-21kthreadcore19:22:181
179940,0migration/124319-21kthreadcore20:32:191
179940,0migration/122615-21kthreadcore22:37:181
179940,0migration/122456-21kthreadcore21:37:171
179940,0migration/122250-21kthreadcore20:07:181
179940,0migration/121052-21kthreadcore23:17:161
179940,0migration/117369-21kthreadcore20:27:171
179940,0migration/11628-21aten2.4-expect23:27:101
179940,0migration/113518-21aten_r1power_po20:02:111
179940,0migration/11306-21sh22:04:021
179940,0migration/110996-21aten_r1power_fr21:52:121
179940,0migration/110567-21df_abs22:52:131
179940,0migration/110113-21kthreadcore20:47:171
169940,0watchdog/129371-21tr20:12:191
169940,0watchdog/129233-21perl21:02:151
169940,0watchdog/126066-21ssh22:20:461
169940,0watchdog/12513-21ssh21:26:431
169940,0watchdog/123610-21port_sshpriv19:17:191
169940,0watchdog/117282-21ssh22:34:261
169940,0watchdog/116252-21ssh23:33:301
169940,0watchdog/10-21swapper/122:22:181
169940,0watchdog/10-21swapper/120:57:151
169940,0watchdog/10-21swapper/119:47:151
149940,0migration/029664-21kthreadcore21:22:160
149940,0migration/028757-21kthreadcore00:22:170
149940,0migration/026153-21sh21:40:000
149940,0migration/025773-21cpu00:02:110
149940,0migration/021039-21interrupts20:07:170
149940,0migration/017888-21turbostat19:21:560
149940,0migration/013727-21kthreadcore00:12:170
45579932,0cyclictest5642-21awk19:07:112
45579932,0cyclictest3514-21snmpd19:53:112
45579932,0cyclictest31421-21aten2.4-expect19:27:112
45579932,0cyclictest28499-21awk20:37:152
45559933,0cyclictest0-21swapper/120:17:131
45559932,0cyclictest3514-21snmpd20:22:111
45559932,0cyclictest32232-21awk19:27:151
45559932,0cyclictest12874-21grep23:12:171
45549932,0cyclictest3556-21lldpd23:28:560
45549932,0cyclictest3257-21awk22:27:130
45549932,0cyclictest29312-21grep23:22:150
45549932,0cyclictest1862-21munin-node20:42:160
45549932,0cyclictest17683-21sadc23:16:590
45549932,0cyclictest14745-21cut19:37:160
45549932,0cyclictest11072-21kthreadcore00:32:150
45549931,0cyclictest26073-21cut23:42:120
339930,0migration/329071-21kthreadcore19:47:183
29725030,0irq/27-eth0-tx-0-21swapper/020:27:110
29725030,0irq/27-eth0-tx-0-21swapper/020:02:110
29715030,0irq/26-eth0-rx-0-21swapper/320:47:133
29715030,0irq/26-eth0-rx-0-21swapper/320:42:113
29715030,0irq/26-eth0-rx-0-21swapper/320:30:283
29715030,0irq/26-eth0-rx-0-21swapper/320:25:093
29715030,0irq/26-eth0-rx-0-21swapper/320:17:123
29715030,0irq/26-eth0-rx-0-21swapper/319:27:123
259930,0migration/214725-21runrttasks20:48:232
249930,0watchdog/20-21swapper/221:12:072
169930,0watchdog/12858-21munin-node21:07:151
169930,0watchdog/10-21swapper/123:42:021
169930,0watchdog/10-21swapper/122:57:101
169930,0watchdog/10-21swapper/121:12:231
45559921,0cyclictest6639-21latency_hist19:57:011
45559920,0cyclictest0-21swapper/100:27:001
29715020,0irq/26-eth0-rx-0-21swapper/319:22:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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