[Bug 198723] [hwpmc] pmcstat -p (process counting) gets corrupted even if pinned to a CPU

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Apr 21 01:21:08 UTC 2015


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198723

--- Comment #4 from ganbold at gmail.com ---
Some more outputs:

root at bsd:/home/tsgan/himenobmtxpa/src # cpuset -l 1 pmcstat -w 1 -p
CPU_CLK_UNHALTED_CORE -p PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW -p
PARTIAL_RAT_STALLS.MUL_SINGLE_UOP ./himenobmtxpa M
mimax = 128 mjmax = 128 mkmax = 256
imax = 127 jmax = 127 kmax =255
# p/CPU_CLK_UNHALTED_CORE p/PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW
p/PARTIAL_RAT_STALLS.MUL_SINGLE_UOP
                496973198                              1891482                 
                 0
                        0                                    0                 
                 0
                        0                                    0                 
                 0
                  6211441                                 6475                 
                 0
                 67851413                               228420                 
                 0
                167437929                               578476                 
                 0
                 58202990                               263315                 
                 0
                159091555                               615841                 
                 0
                199474522                               914360                 
                 0
                435143068                              2102652                 
                 0  Start rehearsal measurement process.
 Measure the performance in 3 times.


               1046313910                              3638978                 
           9088916
                661072248                              1262611                 
          12287166
               1181939944                              2818232                 
          22741743
                571538306                              1247954                 
           8365446
               1123442862                              3240698                 
          18681005
               1356224563                              3224598                 
          22727923
               1147070767                              3143202                 
          18853622
               1291379900                              3264098                 
          22911348
                640597242                              1432676                 
          10454925
                469944137                              1173440                 
           8993387
                388538712                               875062                 
           6810780  MFLOPS: 38.013623 time(s): 10.607217 1.733593e-03

 Now, start the actual measurement process.
 The loop will be excuted in 16 times
 This will take about one minute.
 Wait for a while


                165134408                               621783                 
            851017
                239418647                               639771                 
           3972871
               1002366660                              2269801                 
          16204933
               1125772300                              2705173                 
          20909153
               1073364783                              2946491                 
          16979374
               1199833427                              2934209                 
          20613526
               1270493498                              3131262                 
          22138008
               1108155249                              3002679                 
          17521465
               1314310219                              3156869                 
          22821855
               1140823030                              2842658                 
          20023985
               1126332577                              2883871                 
          18672363
               1162000580                              2832338                 
          21202038
               1109106518                              3066909                 
          16946660
               1296149672                              3304390                 
          21986759
               1179265638                              2807189                 
          21081432
               1068573361                              2922111                 
          16053932
               1198262630                              2887323                 
          21327538
# p/CPU_CLK_UNHALTED_CORE p/PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW
p/PARTIAL_RAT_STALLS.MUL_SINGLE_UOP
               1175241231                              2829240                 
          20693991
               1096268514                              3018859                 
          16739105
               1185463271                              2963422                 
          21308158
               1178471187                              2863822                 
          20017627
               1148132142                              3233218                 
          17586444
               1144689029                              2976330                 
          20739875
               1094868768                              2882188                 
          17116037
               1269267205                              3162007                 
          21789166
               1145196524                              2810384                 
          19985030
               1210390022                              3289607                 
          16888847
               1201586511                              2994667                 
          21764537
               1146922422                              2767725                 
          19709885
               1170310109                              3175550                 
          16395202
               1289971174                              3180738                 
          22527756
               1057194734                              2602396                 
          19377512
               1157004463                              3193955                 
          17467630
               1235730044                              3065464                 
          21453972
               1081579818                              2756388                 
          17322508
               1196944986                              3144452                 
          20926928
               1095767389                              2631318                 
          18833998
               1056892461                              2789426                 
          16491839
               1262274645                              3215379                 
          21593331
               1193887452                              3066186                 
          21195414
               1077392053                              3120552                 
          17142660
               1199816969                              2999705                 
          21635489
               1064253746                              2552890                 
          18452838
               1103708407                              2965405                 
          16170094
               1244782428                              2882083                 
          21250280
               1199552244                              2798772                 
          19013893  Loop executed for 16 times
 Gosa : 1.604793e-03
 MFLOPS measured : 45.999056    cpu : 46.750959
 Score based on Pentium III 600MHz using Fortran 77: 0.560964

                558500599                              2034859                 
           3314459
root at bsd:/home/tsgan/himenobmtxpa/src #

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