[176] | 1 | // Report stats. |
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| 2 | |
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| 3 | #include <stdio.h> |
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| 4 | |
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| 5 | #include "timer.h" |
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| 6 | |
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| 7 | struct mallinfo { |
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| 8 | int arena; /* non-mmapped space allocated from system */ |
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| 9 | int ordblks; /* number of free chunks */ |
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| 10 | int smblks; /* number of fastbin blocks */ |
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| 11 | int hblks; /* number of mmapped regions */ |
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| 12 | int hblkhd; /* space in mmapped regions */ |
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| 13 | int usmblks; /* maximum total allocated space */ |
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| 14 | int fsmblks; /* space available in freed fastbin blocks */ |
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| 15 | int uordblks; /* total allocated space */ |
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| 16 | int fordblks; /* total free space */ |
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| 17 | int keepcost; /* top-most, releasable (via malloc_trim) space */ |
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| 18 | }; |
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| 19 | |
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| 20 | #if 1 |
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| 21 | extern "C" struct mallinfo dlmallinfo (void); |
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| 22 | #endif |
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| 23 | extern "C" void mstats (void); // for Kingsley malloc. |
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| 24 | extern "C" void dlmalloc_stats (void); // for Doug Lea malloc. |
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| 25 | extern "C" void * sbrk (long); |
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| 26 | extern "C" void malloc_stats (void); // for Doug Lea malloc. |
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| 27 | |
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| 28 | int masMem;// FIX ME |
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| 29 | |
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| 30 | |
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| 31 | int totalAllocated; |
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| 32 | int maxAllocated; |
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| 33 | int totalRequested; |
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| 34 | int maxRequested; |
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| 35 | |
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| 36 | class TimeItAll { |
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| 37 | public: |
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| 38 | TimeItAll (void) { |
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| 39 | totalAllocated = 0; |
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| 40 | maxAllocated = 0; |
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| 41 | t.start(); |
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| 42 | // FIX ME |
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| 43 | masMem = 0; |
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| 44 | #ifdef WIN32 |
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| 45 | initSpace = (long) sbrk(0); |
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| 46 | //initSpace = CommittedSpace(); |
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| 47 | #endif |
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| 48 | } |
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| 49 | |
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| 50 | ~TimeItAll (void) { |
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| 51 | t.stop(); |
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| 52 | #if 0 |
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| 53 | struct mallinfo mi = dlmallinfo(); |
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| 54 | printf ("Doug Lea Memory allocated = {total} %d, {non-mmapped} %d\n", mi.usmblks, mi.arena); |
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| 55 | #endif |
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| 56 | double elapsed = (double) t; |
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| 57 | printf ("Time elapsed = %f\n", elapsed); |
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| 58 | printf ("Max allocated = %d\n", maxAllocated); |
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| 59 | printf ("Max requested = %d\n", maxRequested); |
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| 60 | printf ("Frag = %lf\n", (double) maxAllocated / (double) maxRequested); |
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| 61 | #ifdef WIN32 |
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| 62 | printf ("init space = %ld\n", initSpace); |
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| 63 | printf ("Sbrk report: %ld\n", (long) sbrk(0)); |
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| 64 | #if 0 |
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| 65 | size_t diff = (size_t) wsbrk(8); |
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| 66 | cout << "diff1 = " << diff << endl; |
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| 67 | diff -= initSpace - 8; |
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| 68 | cout << "diff = " << diff << endl; |
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| 69 | #endif |
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| 70 | #endif |
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| 71 | malloc_stats(); |
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| 72 | fflush (stdout); |
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| 73 | // dlmalloc_stats(); |
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| 74 | } |
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| 75 | private: |
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| 76 | Timer t; |
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| 77 | #ifdef WIN32 |
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| 78 | long initSpace; |
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| 79 | #endif |
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| 80 | }; |
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| 81 | |
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| 82 | TimeItAll timer; |
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