/**
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* \file
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* Copyright Xamarin Inc (http://www.xamarin.com)
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*
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#include "config.h"
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#ifdef HAVE_SGEN_GC
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#include "sgen/sgen-gc.h"
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#include "sgen/sgen-layout-stats.h"
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#include <mono/utils/mono-compiler.h>
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#ifdef SGEN_OBJECT_LAYOUT_STATISTICS
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#define NUM_HISTOGRAM_ENTRIES (1 << SGEN_OBJECT_LAYOUT_BITMAP_BITS)
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static unsigned long histogram [NUM_HISTOGRAM_ENTRIES];
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static unsigned long count_bitmap_overflow;
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static unsigned long count_ref_array;
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static unsigned long count_vtype_array;
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void
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sgen_object_layout_scanned_bitmap (unsigned int bitmap)
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{
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g_assert (!(bitmap >> SGEN_OBJECT_LAYOUT_BITMAP_BITS));
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++histogram [bitmap];
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}
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void
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sgen_object_layout_scanned_bitmap_overflow (void)
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{
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++count_bitmap_overflow;
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}
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void
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sgen_object_layout_scanned_ref_array (void)
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{
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++count_ref_array;
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}
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void
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sgen_object_layout_scanned_vtype_array (void)
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{
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++count_vtype_array;
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}
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void
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sgen_object_layout_dump (FILE *out)
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{
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int i;
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for (i = 0; i < NUM_HISTOGRAM_ENTRIES; ++i) {
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if (!histogram [i])
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continue;
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fprintf (out, "%d %lu\n", i, histogram [i]);
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}
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fprintf (out, "bitmap-overflow %lu\n", count_bitmap_overflow);
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fprintf (out, "ref-array %lu\n", count_ref_array);
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fprintf (out, "vtype-array %lu\n", count_vtype_array);
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}
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#else
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MONO_EMPTY_SOURCE_FILE (sgen_layout_stats);
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#endif /* SGEN_OBJECT_LAYOUT_STATISTICS */
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#endif
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