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2026-06-29 - 20:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #8

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 rack0slot8s.osadl.org (updated Mon Jun 29, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2834911080,97ptp4l0-21swapper/119:05:181
2867329280,10sleep110-21swapper/1119:06:113
2870827766,9sleep50-21swapper/519:06:407
2877326353,8sleep00-21swapper/019:07:370
241032630,1sleep80-21swapper/819:40:2210
2872426049,9sleep70-21swapper/719:06:559
2666525744,10sleep40-21swapper/419:05:156
317282550,0sleep80-21swapper/822:40:1710
2882225543,10sleep100-21swapper/1019:08:232
2876625442,10sleep60-21swapper/619:07:308
301562530,0sleep30-21swapper/322:40:015
116192480,1sleep111009-21runrttasks21:30:253
167052390,0sleep100-21swapper/1023:45:132
2931899254,16cyclictest0-21swapper/421:29:596
2931899222,15cyclictest0-21swapper/420:30:016
2931899211,16cyclictest0-21swapper/422:55:006
2931899201,14cyclictest0-21swapper/420:30:016
283491190,5ptp4l21-21ksoftirqd/121:10:241
2934799181,16cyclictest0-21swapper/1000:10:182
2932399183,8cyclictest0-21swapper/519:15:017
2930999184,9cyclictest0-21swapper/200:05:014
283491180,0ptp4l0-21swapper/119:15:011
2933899173,9cyclictest0-21swapper/820:55:0110
2933499173,8cyclictest0-21swapper/719:15:019
2930999173,9cyclictest0-21swapper/221:55:004
2930999173,9cyclictest0-21swapper/219:40:004
283491170,1ptp4l21-21ksoftirqd/123:10:011
283491170,0ptp4l0-21swapper/100:20:161
110192170,0sleep30-21swapper/320:50:135
2935299162,8cyclictest0-21swapper/1121:05:013
2933499162,10cyclictest0-21swapper/719:24:309
2933499160,1cyclictest0-21swapper/723:40:259
2933499160,15cyclictest0-21swapper/722:05:269
2930999163,8cyclictest0-21swapper/222:45:014
2930999161,9cyclictest0-21swapper/222:09:594
2930499163,8cyclictest0-21swapper/121:44:591
287512167,7sleep80-21swapper/819:07:2010
283491160,1ptp4l21-21ksoftirqd/119:20:161
283491160,1ptp4l1009-21runrttasks00:35:251
283491160,0ptp4l0-21swapper/120:55:121
2935299152,7cyclictest0-21swapper/1123:45:013
2935299152,7cyclictest0-21swapper/1120:35:013
2934799150,3cyclictest0-21swapper/1000:15:172
2933899153,7cyclictest0-21swapper/819:25:2410
2933899153,7cyclictest0-21swapper/819:20:0010
2933499152,8cyclictest0-21swapper/720:55:009
2932399152,8cyclictest0-21swapper/523:44:597
2932399152,8cyclictest0-21swapper/521:40:257
2930999153,8cyclictest0-21swapper/220:20:014
2930999153,8cyclictest0-21swapper/200:00:014
2930999153,7cyclictest0-21swapper/223:10:014
2930999152,8cyclictest0-21swapper/200:25:014
2930499152,8cyclictest0-21swapper/121:49:591
29304991512,2cyclictest283491ptp4l21:50:071
283491150,1ptp4l21-21ksoftirqd/122:35:251
283491150,1ptp4l21-21ksoftirqd/120:15:221
283491150,1ptp4l16243-21expr23:45:131
283491150,0ptp4l0-21swapper/123:50:191
283491150,0ptp4l0-21swapper/122:55:191
283491150,0ptp4l0-21swapper/122:15:191
283491150,0ptp4l0-21swapper/122:05:181
283491150,0ptp4l0-21swapper/122:00:261
283491150,0ptp4l0-21swapper/120:40:011
283491150,0ptp4l0-21swapper/119:50:151
283491150,0ptp4l0-21swapper/119:45:121
283491150,0ptp4l0-21swapper/119:30:151
296322140,0sleep00-21swapper/019:10:120
2935299143,7cyclictest0-21swapper/1121:15:003
2934799143,7cyclictest0-21swapper/1022:24:552
2934399140,8cyclictest0-21swapper/921:15:0111
2933899142,7cyclictest0-21swapper/820:15:2510
2933499142,8cyclictest8880-21kworker/u24:223:25:019
2933499140,2cyclictest0-21swapper/720:05:019
2933499140,13cyclictest0-21swapper/721:50:119
2933499140,13cyclictest0-21swapper/721:20:159
2933499140,13cyclictest0-21swapper/719:50:149
2932399142,7cyclictest0-21swapper/519:50:007
2931399143,5cyclictest0-21swapper/323:20:005
2931399142,8cyclictest0-21swapper/321:20:015
2930999142,8cyclictest0-21swapper/221:20:264
2930999142,7cyclictest0-21swapper/200:25:004
283491140,1ptp4l21-21ksoftirqd/121:24:481
283491140,0ptp4l0-21swapper/121:05:141
283491140,0ptp4l0-21swapper/120:00:161
2935299133,7cyclictest0-21swapper/1122:40:003
2934799130,2cyclictest0-21swapper/1020:40:212
2934399134,8cyclictest11267-21kworker/u24:120:55:0011
2934399133,8cyclictest0-21swapper/919:45:0011
2934399133,8cyclictest0-21swapper/900:00:0011
2934399132,7cyclictest0-21swapper/923:50:2311
2934399132,7cyclictest0-21swapper/922:35:0011
2934399132,6cyclictest0-21swapper/923:35:2611
2933899132,6cyclictest0-21swapper/822:50:0110
2933499139,3cyclictest0-21swapper/719:35:019
2933499131,7cyclictest0-21swapper/722:05:009
2933499130,7cyclictest188022chrt22:25:039
2933499130,1cyclictest0-21swapper/722:14:599
2933499130,12cyclictest1851-21irqstats23:25:189
2933499130,12cyclictest0-21swapper/723:15:259
2933499130,12cyclictest0-21swapper/721:35:009
2933499130,12cyclictest0-21swapper/721:05:259
2933499130,12cyclictest0-21swapper/720:45:019
2933499130,12cyclictest0-21swapper/720:26:329
2933499130,12cyclictest0-21swapper/719:55:139
2932399132,7cyclictest0-21swapper/523:20:247
2932399132,6cyclictest0-21swapper/500:10:007
2932399131,7cyclictest0-21swapper/522:30:257
2932399131,2cyclictest0-21swapper/522:40:167
2931899133,6cyclictest0-21swapper/422:00:246
286842136,5sleep90-21swapper/919:06:2111
283491130,9ptp4l1007-21snmpd21:03:031
283491130,1ptp4l21-21ksoftirqd/121:19:471
283491130,0ptp4l0-21swapper/123:00:161
283491130,0ptp4l0-21swapper/122:20:151
283491130,0ptp4l0-21swapper/121:25:131
283491130,0ptp4l0-21swapper/119:55:151
2935299122,6cyclictest0-21swapper/1122:15:003
29352991210,1cyclictest0-21swapper/1120:24:553
2934799122,6cyclictest0-21swapper/1019:25:012
2934399123,8cyclictest0-21swapper/900:35:0111
2934399123,8cyclictest0-21swapper/900:10:0111
2934399122,9cyclictest0-21swapper/921:35:0011
2934399122,7cyclictest0-21swapper/921:15:2511
2934399122,7cyclictest0-21swapper/900:20:0011
2933499120,7cyclictest0-21swapper/721:25:149
2933499120,6cyclictest9722sleep722:42:169
2933499120,6cyclictest0-21swapper/722:00:009
2933499120,1cyclictest0-21swapper/723:02:559
2933499120,1cyclictest0-21swapper/722:36:559
2933499120,1cyclictest0-21swapper/722:15:129
2933499120,1cyclictest0-21swapper/720:36:379
2933499120,11cyclictest72162sleep723:31:579
2933499120,11cyclictest148462sleep720:10:249
2933499120,11cyclictest0-21swapper/723:55:179
2933499120,11cyclictest0-21swapper/721:40:239
2933499120,11cyclictest0-21swapper/720:20:259
2933499120,11cyclictest0-21swapper/720:10:009
2933499120,11cyclictest0-21swapper/719:44:199
2932799120,3cyclictest14313-21irqrtprio21:35:188
2932399121,10cyclictest0-21swapper/523:05:007
2931899122,6cyclictest0-21swapper/400:00:256
2931399122,6cyclictest0-21swapper/323:35:015
2930999122,7cyclictest0-21swapper/222:50:004
2930499128,4cyclictest9620-1kworker/u25:122:27:231
283491120,2ptp4l8407-21perl22:10:141
283491120,1ptp4l21-21ksoftirqd/121:35:201
283491120,1ptp4l21-21ksoftirqd/121:30:161
283491120,0ptp4l0-21swapper/123:55:061
283491120,0ptp4l0-21swapper/123:15:181
283491120,0ptp4l0-21swapper/122:50:131
283491120,0ptp4l0-21swapper/120:42:271
283491120,0ptp4l0-21swapper/120:10:081
55142110,0chrt0-21swapper/223:30:174
2935299113,5cyclictest0-21swapper/1122:20:003
2935299111,6cyclictest0-21swapper/1100:14:593
2934399112,8cyclictest11267-21kworker/u24:119:50:0111
2934399112,6cyclictest0-21swapper/923:04:5911
2933499115,5cyclictest6259-21latency_hist00:15:019
2933499110,9cyclictest0-21swapper/719:30:009
2933499110,5cyclictest0-21swapper/722:20:199
2933499110,5cyclictest0-21swapper/719:45:179
2933499110,1cyclictest0-21swapper/722:55:169
2933499110,1cyclictest0-21swapper/722:34:089
2933499110,1cyclictest0-21swapper/721:46:019
2933499110,1cyclictest0-21swapper/719:35:159
2933499110,11cyclictest0-21swapper/723:50:199
2933499110,10cyclictest22519-21irqrtprio23:10:179
2933499110,10cyclictest13396-21timerwakeupswit20:50:249
2933499110,10cyclictest0-21swapper/723:35:209
2933499110,10cyclictest0-21swapper/720:35:009
2933499110,10cyclictest0-21swapper/719:15:189
29327991110,1cyclictest0-21swapper/619:38:388
2932799110,2cyclictest1863-21fw_conntrack19:15:028
2932799110,11cyclictest0-21swapper/622:10:198
2932399110,10cyclictest0-21swapper/500:00:007
283491110,2ptp4l31406-21cstates00:05:121
283491110,2ptp4l30650-21latency_hist00:05:011
283491110,2ptp4l20592-21latency_hist23:10:001
283491110,2ptp4l11995-21cpuspeed23:40:131
283491110,0ptp4l0-21swapper/123:35:411
283491110,0ptp4l0-21swapper/123:30:151
283491110,0ptp4l0-21swapper/120:48:481
283491110,0ptp4l0-21swapper/120:30:201
283491110,0ptp4l0-21swapper/120:25:131
283491110,0ptp4l0-21swapper/119:10:211
283491110,0ptp4l0-21swapper/100:30:171
283491110,0ptp4l0-21swapper/100:15:211
2935299109,1cyclictest0-21swapper/1119:37:433
2935299101,5cyclictest0-21swapper/1120:40:013
2934799102,5cyclictest0-21swapper/1022:35:002
2934799100,9cyclictest22955-21irqrtprio19:40:162
2934799100,9cyclictest0-21swapper/1022:15:242
2934799100,1cyclictest0-21swapper/1020:15:232
2934399109,1cyclictest0-21swapper/922:04:2611
2934399100,1cyclictest0-21swapper/919:15:0111
2933899107,2cyclictest1679-21cstates21:20:1310
2933899100,9cyclictest0-21swapper/819:45:2110
2933899100,1cyclictest0-21swapper/821:35:2110
2933499100,9cyclictest8934-21timerandwakeup00:15:259
2933499100,9cyclictest7142-21cpuspeed_turbos20:45:129
2933499100,9cyclictest2792-21grep22:45:139
2933499100,9cyclictest27869-21grep00:00:139
2933499100,9cyclictest27339-21irqrtprio21:10:189
2933499100,9cyclictest24126-21timerandwakeup00:35:269
2933499100,9cyclictest20141-21getsmi00:30:249
2933499100,9cyclictest19083-21grep21:00:149
2933499100,9cyclictest17005-21chrt00:26:029
2933499100,9cyclictest16885-21fschecks_count20:15:159
2933499100,9cyclictest12834-21aten2_r3power_e21:35:129
2933499100,9cyclictest10410-21sort00:20:119
2933499100,9cyclictest1007-21snmpd23:45:029
2933499100,9cyclictest0-21swapper/700:05:159
2933499100,2cyclictest5752-21/usr/sbin/munin22:50:169
2933499100,1cyclictest0-21swapper/721:16:299
2932799109,1cyclictest0-21swapper/620:35:258
2932799101,5cyclictest0-21swapper/621:46:328
2932799100,9cyclictest22137-21rt-features20:20:238
2932799100,9cyclictest17856-21hddtemp_smartct21:40:178
2932799100,3cyclictest15977-21latency_hist20:15:008
2932799100,1cyclictest14346-21sed20:55:018
2932399100,1cyclictest0-21swapper/520:35:227
2931899100,7cyclictest4945-21cpuspeed_turbos20:00:136
2931899100,3cyclictest18271-40dnf22:24:556
2931399102,5cyclictest0-21swapper/323:55:015
2931399102,5cyclictest0-21swapper/321:10:005
2931399102,5cyclictest0-21swapper/320:00:005
2931399102,5cyclictest0-21swapper/319:30:015
2931399102,5cyclictest0-21swapper/319:30:005
2931399101,8cyclictest17611-21cat23:45:175
2931399101,5cyclictest0-21swapper/320:30:015
2931399100,9cyclictest12275-21grep22:15:155
2931399100,2cyclictest13715-21sed20:10:195
2930999109,1cyclictest0-21swapper/220:23:044
2930999107,2cyclictest0-21swapper/221:00:184
2930999101,8cyclictest1007-21snmpd20:48:194
2930999100,9cyclictest8728-21if_enp4s022:10:174
2930999100,9cyclictest30533-21fschecks_count21:15:144
2930999100,9cyclictest15594-21timerwakeupswit21:35:244
2930999100,9cyclictest0-21swapper/221:30:164
2930999100,1cyclictest0-21swapper/221:00:014
2930099100,9cyclictest3872-21latency_hist20:00:010
2930099100,10cyclictest0-21swapper/023:32:000
2930099100,10cyclictest0-21swapper/022:14:560
2930099100,10cyclictest0-21swapper/000:00:240
283491100,5ptp4l21-21ksoftirqd/119:37:041
283491100,2ptp4l21583-21cpu19:40:111
283491100,2ptp4l21-21ksoftirqd/121:55:211
283491100,1ptp4l21397-21cut20:20:191
283491100,1ptp4l21-21ksoftirqd/119:25:251
283491100,0ptp4l3829-21strings22:45:191
283491100,0ptp4l0-21swapper/123:30:001
283491100,0ptp4l0-21swapper/123:24:591
283491100,0ptp4l0-21swapper/122:30:131
283491100,0ptp4l0-21swapper/120:50:151
283491100,0ptp4l0-21swapper/120:05:231
293529997,1cyclictest0-21swapper/1123:35:163
293529992,6cyclictest24891-21sed20:25:153
293529991,5cyclictest0-21swapper/1123:30:243
293529990,8cyclictest3884-21munin-run20:00:003
293529990,8cyclictest25797-21/usr/sbin/munin23:15:153
293529990,4cyclictest18298-21awk22:25:003
293529990,4cyclictest0-21swapper/1100:09:553
293479996,2cyclictest11391-21df_inode20:50:132
293479990,5cyclictest0-21swapper/1021:35:242
293479990,1cyclictest0-21swapper/1020:35:152
293439990,1cyclictest0-21swapper/922:50:1511
293389997,1cyclictest0-21swapper/823:52:2010
293389996,2cyclictest0-21swapper/822:10:1810
293389996,2cyclictest0-21swapper/821:15:1310
293389995,4cyclictest0-21swapper/820:25:0010
293389995,3cyclictest8279-21/usr/sbin/munin19:20:1910
293389995,3cyclictest7467-21cstates20:45:1210
293389995,3cyclictest6888-21awk20:00:2110
293389992,7cyclictest0-21swapper/823:38:5710
293389991,5cyclictest0-21swapper/821:55:0010
293389990,8cyclictest18398-21gltestperf23:05:1410
293389990,8cyclictest0-21swapper/819:55:1410
293389990,3cyclictest6304-21latency_hist20:45:0110
293349990,8cyclictest17337-21cpu23:05:119
293279998,1cyclictest0-21swapper/620:30:468
293279998,1cyclictest0-21swapper/620:05:128
293279998,1cyclictest0-21swapper/600:35:158
293279995,3cyclictest27316-21sed20:30:018
293279995,3cyclictest2423-21unixbench_multi22:00:268
293279990,9cyclictest0-21swapper/623:11:268
293279990,9cyclictest0-21swapper/622:40:008
293279990,9cyclictest0-21swapper/621:55:048
293279990,9cyclictest0-21swapper/619:15:018
293279990,8cyclictest25889-21aten2_r3power_e21:10:128
293279990,8cyclictest17314-21idleruntime20:15:168
293279990,8cyclictest15570-21irqrtprio00:25:178
293279990,5cyclictest115650irq/18-p34p122:55:158
293279990,3cyclictest32020-21basename23:25:018
293279990,3cyclictest24972-21unixbench_singl21:05:258
293279990,3cyclictest22451-21runrttasks23:51:428
293279990,3cyclictest19039-21fschecks_count21:00:148
293279990,1cyclictest0-21swapper/623:56:118
293279990,1cyclictest0-21swapper/623:17:408
293279990,1cyclictest0-21swapper/623:01:538
293279990,1cyclictest0-21swapper/622:25:258
293279990,1cyclictest0-21swapper/621:52:108
293279990,1cyclictest0-21swapper/621:20:258
293279990,1cyclictest0-21swapper/620:46:088
293239998,1cyclictest0-21swapper/521:05:207
293239990,9cyclictest0-21swapper/520:50:137
293239990,8cyclictest28500-21needreboot22:35:217
293239990,8cyclictest2346-21gltestperf21:20:177
293239990,8cyclictest14471-21latency_hist22:19:597
293239990,8cyclictest0-21swapper/519:30:007
293239990,1cyclictest0-21swapper/521:35:167
293189998,1cyclictest0-21swapper/421:15:256
293189998,1cyclictest0-21swapper/400:15:186
293189990,8cyclictest0-21swapper/423:30:146
293189990,8cyclictest0-21swapper/421:15:006
293139998,1cyclictest0-21swapper/320:08:275
293139996,2cyclictest26149-21memory21:50:185
293139992,4cyclictest0-21swapper/323:40:015
293139991,5cyclictest0-21swapper/300:20:015
293139990,1cyclictest23572-21missed_timers00:35:205
293099998,1cyclictest0-21swapper/220:10:174
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293099990,9cyclictest0-21swapper/219:25:194
293099990,8cyclictest0-21swapper/219:45:244
293099990,3cyclictest24747-21latency_hist19:45:014
293009998,1cyclictest0-21swapper/022:35:200
293009998,1cyclictest0-21swapper/021:25:160
293009990,8cyclictest17722-21sort21:00:000
293009990,8cyclictest0-21swapper/021:15:210
293009990,8cyclictest0-21swapper/020:45:010
293009990,8cyclictest0-21swapper/020:00:210
293009990,8cyclictest0-21swapper/000:25:080
293009990,4cyclictest21951-21/usr/sbin/munin20:20:210
293009990,3cyclictest5676-21latency_hist19:20:000
293009990,2cyclictest0-21swapper/019:45:170
28691292,5sleep30-21swapper/319:06:265
28349190,1ptp4l2888-21cstates00:10:141
28349190,1ptp4l21-21ksoftirqd/100:25:011
28349190,0ptp4l0-21swapper/122:40:121
293529987,1cyclictest0-21swapper/1122:42:233
293529987,1cyclictest0-21swapper/1100:20:123
293529986,1cyclictest32155-21latency_hist23:25:003
293529982,5cyclictest17423-21if_err_enp1s0.120:15:173
293529981,4cyclictest0-21swapper/1122:00:003
293529980,8cyclictest0-21swapper/1123:50:243
293529980,8cyclictest0-21swapper/1122:27:403
293529980,8cyclictest0-21swapper/1120:05:123
293529980,8cyclictest0-21swapper/1120:00:143
293529980,7cyclictest26287-21ls21:50:183
293529980,7cyclictest23787-21/usr/sbin/munin19:40:203
293529980,1cyclictest0-21swapper/1123:29:543
293479987,1cyclictest0-21swapper/1022:40:212
293479987,1cyclictest0-21swapper/1020:30:182
293479987,1cyclictest0-21swapper/1020:05:232
293479986,1cyclictest0-21swapper/1021:55:242
293479985,2cyclictest24358-21fw_forwarded_lo23:55:142
293479980,8cyclictest0-21swapper/1021:25:202
293479980,7cyclictest7176-21cpuspeed_turbos20:45:122
293479980,7cyclictest3465-21aten2_r3power_v22:05:132
293479980,7cyclictest26418-21fw_forwarded_lo19:45:152
293479980,1cyclictest0-21swapper/1020:55:192
293439987,1cyclictest0-21swapper/923:41:2711
293439987,1cyclictest0-21swapper/922:10:2311
293439987,1cyclictest0-21swapper/921:25:3011
293439987,1cyclictest0-21swapper/920:00:1111
293439987,1cyclictest0-21swapper/900:10:2511
293439984,4cyclictest0-21swapper/920:57:1611
293439983,1cyclictest0-21swapper/919:32:0811
293439982,4cyclictest0-21swapper/920:35:1411
293439980,8cyclictest0-21swapper/921:50:1311
293439980,8cyclictest0-21swapper/920:20:2211
293439980,8cyclictest0-21swapper/900:35:2511
293439980,7cyclictest28711-21hddtemp_smartct20:30:1411
293439980,7cyclictest17952-21awk21:40:1711
293439980,7cyclictest11341-21unixbench_singl20:05:2411
293439980,7cyclictest0-21swapper/920:10:1311
293439980,1cyclictest0-21swapper/921:05:1711
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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