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VulkanMemoryAllocator/docs/html/group__group__stats.html
Adam Sawicki 226bd5a6ad New API for statistics. COMPATIBILITY BREAKING! 
New structure VmaStatistics, VmaDetailedStatistics, VmaTotalStatistics. Modified structure VmaBudget.
New function vmaCalculateStatistics, vmaGetPoolStatistics, vmaCalculatePoolStatistics, vmaGetVirtualBlockStatistics, vmaCalculateVirtualBlockStatistics. vmaGetHeapBudgets function unchanged.

Updated and rebuilt the docs.
2022-02-22 15:19:35 +01:00

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<div class="headertitle"><div class="title">Statistics</div></div>
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<p>API elements that query current status of the allocator, from memory usage, budget, to full dump of the internal state in JSON format. See documentation chapter: <a class="el" href="statistics.html">Statistics</a>.
<a href="#details">More...</a></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_statistics.html">VmaStatistics</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool, or total. <a href="struct_vma_statistics.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">More detailed statistics than <a class="el" href="struct_vma_statistics.html" title="Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool,...">VmaStatistics</a>. <a href="struct_vma_detailed_statistics.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">General statistics from current state of the Allocator - total memory usage across all memory heaps and types. <a href="struct_vma_total_statistics.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_budget.html">VmaBudget</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Statistics of current memory usage and available budget for a specific memory heap. <a href="struct_vma_budget.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:gac94bd1a382a3922ddc8de3af4d3ddd06"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct_vma_statistics.html">VmaStatistics</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#gac94bd1a382a3922ddc8de3af4d3ddd06">VmaStatistics</a></td></tr>
<tr class="memdesc:gac94bd1a382a3922ddc8de3af4d3ddd06"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool, or total. <a href="group__group__stats.html#gac94bd1a382a3922ddc8de3af4d3ddd06">More...</a><br /></td></tr>
<tr class="separator:gac94bd1a382a3922ddc8de3af4d3ddd06"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9ab0c535a6ca655dc63b8609ab4b8394"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga9ab0c535a6ca655dc63b8609ab4b8394">VmaDetailedStatistics</a></td></tr>
<tr class="memdesc:ga9ab0c535a6ca655dc63b8609ab4b8394"><td class="mdescLeft">&#160;</td><td class="mdescRight">More detailed statistics than <a class="el" href="struct_vma_statistics.html" title="Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool,...">VmaStatistics</a>. <a href="group__group__stats.html#ga9ab0c535a6ca655dc63b8609ab4b8394">More...</a><br /></td></tr>
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<tr class="memitem:ga68916e729e55d513f88ffafbadddb770"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga68916e729e55d513f88ffafbadddb770">VmaTotalStatistics</a></td></tr>
<tr class="memdesc:ga68916e729e55d513f88ffafbadddb770"><td class="mdescLeft">&#160;</td><td class="mdescRight">General statistics from current state of the Allocator - total memory usage across all memory heaps and types. <a href="group__group__stats.html#ga68916e729e55d513f88ffafbadddb770">More...</a><br /></td></tr>
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<tr class="memitem:gaa078667e71b1ef24e87a6a30d128381d"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct_vma_budget.html">VmaBudget</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#gaa078667e71b1ef24e87a6a30d128381d">VmaBudget</a></td></tr>
<tr class="memdesc:gaa078667e71b1ef24e87a6a30d128381d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Statistics of current memory usage and available budget for a specific memory heap. <a href="group__group__stats.html#gaa078667e71b1ef24e87a6a30d128381d">More...</a><br /></td></tr>
<tr class="separator:gaa078667e71b1ef24e87a6a30d128381d"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga36f3484de7aa6cd6edc4de9edfa0ff59"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga36f3484de7aa6cd6edc4de9edfa0ff59">vmaCalculateStatistics</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a> *pStats)</td></tr>
<tr class="memdesc:ga36f3484de7aa6cd6edc4de9edfa0ff59"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves statistics from current state of the Allocator. <a href="group__group__stats.html#ga36f3484de7aa6cd6edc4de9edfa0ff59">More...</a><br /></td></tr>
<tr class="separator:ga36f3484de7aa6cd6edc4de9edfa0ff59"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9f88db9d46a432c0ad7278cecbc5eaa7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga9f88db9d46a432c0ad7278cecbc5eaa7">vmaGetHeapBudgets</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_budget.html">VmaBudget</a> *pBudgets)</td></tr>
<tr class="memdesc:ga9f88db9d46a432c0ad7278cecbc5eaa7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves information about current memory usage and budget for all memory heaps. <a href="group__group__stats.html#ga9f88db9d46a432c0ad7278cecbc5eaa7">More...</a><br /></td></tr>
<tr class="separator:ga9f88db9d46a432c0ad7278cecbc5eaa7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga34d8e7d83774eed0caee5c5ae88e217d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga34d8e7d83774eed0caee5c5ae88e217d">vmaGetPoolStatistics</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_pool.html">VmaPool</a> pool, <a class="el" href="struct_vma_statistics.html">VmaStatistics</a> *pPoolStats)</td></tr>
<tr class="memdesc:ga34d8e7d83774eed0caee5c5ae88e217d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves statistics of existing <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> object. <a href="group__group__stats.html#ga34d8e7d83774eed0caee5c5ae88e217d">More...</a><br /></td></tr>
<tr class="separator:ga34d8e7d83774eed0caee5c5ae88e217d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga50ba0eb25d2b363b792be4645ca7a380"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga50ba0eb25d2b363b792be4645ca7a380">vmaCalculatePoolStatistics</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_pool.html">VmaPool</a> pool, <a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a> *pPoolStats)</td></tr>
<tr class="memdesc:ga50ba0eb25d2b363b792be4645ca7a380"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves detailed statistics of existing <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> object. <a href="group__group__stats.html#ga50ba0eb25d2b363b792be4645ca7a380">More...</a><br /></td></tr>
<tr class="separator:ga50ba0eb25d2b363b792be4645ca7a380"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga52d810e1222c592e5d80556ad005f1e6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga52d810e1222c592e5d80556ad005f1e6">vmaBuildVirtualBlockStatsString</a> (<a class="el" href="struct_vma_virtual_block.html">VmaVirtualBlock</a> virtualBlock, char **ppStatsString, VkBool32 detailedMap)</td></tr>
<tr class="memdesc:ga52d810e1222c592e5d80556ad005f1e6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Builds and returns a null-terminated string in JSON format with information about given <a class="el" href="struct_vma_virtual_block.html" title="Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...">VmaVirtualBlock</a>. <a href="group__group__stats.html#ga52d810e1222c592e5d80556ad005f1e6">More...</a><br /></td></tr>
<tr class="separator:ga52d810e1222c592e5d80556ad005f1e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga47fb8d8aa69df4a7c23a9719b4080623"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga47fb8d8aa69df4a7c23a9719b4080623">vmaFreeVirtualBlockStatsString</a> (<a class="el" href="struct_vma_virtual_block.html">VmaVirtualBlock</a> virtualBlock, char *pStatsString)</td></tr>
<tr class="memdesc:ga47fb8d8aa69df4a7c23a9719b4080623"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees a string returned by <a class="el" href="group__group__stats.html#ga52d810e1222c592e5d80556ad005f1e6" title="Builds and returns a null-terminated string in JSON format with information about given VmaVirtualBlo...">vmaBuildVirtualBlockStatsString()</a>. <a href="group__group__stats.html#ga47fb8d8aa69df4a7c23a9719b4080623">More...</a><br /></td></tr>
<tr class="separator:ga47fb8d8aa69df4a7c23a9719b4080623"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa4fee7eb5253377599ef4fd38c93c2a0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#gaa4fee7eb5253377599ef4fd38c93c2a0">vmaBuildStatsString</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, char **ppStatsString, VkBool32 detailedMap)</td></tr>
<tr class="memdesc:gaa4fee7eb5253377599ef4fd38c93c2a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Builds and returns statistics as a null-terminated string in JSON format. <a href="group__group__stats.html#gaa4fee7eb5253377599ef4fd38c93c2a0">More...</a><br /></td></tr>
<tr class="separator:gaa4fee7eb5253377599ef4fd38c93c2a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3104eb30d8122c84dd8541063f145288"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__stats.html#ga3104eb30d8122c84dd8541063f145288">vmaFreeStatsString</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, char *pStatsString)</td></tr>
<tr class="separator:ga3104eb30d8122c84dd8541063f145288"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p >API elements that query current status of the allocator, from memory usage, budget, to full dump of the internal state in JSON format. See documentation chapter: <a class="el" href="statistics.html">Statistics</a>. </p>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="gaa078667e71b1ef24e87a6a30d128381d" name="gaa078667e71b1ef24e87a6a30d128381d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaa078667e71b1ef24e87a6a30d128381d">&#9670;&nbsp;</a></span>VmaBudget</h2>
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<table class="memname">
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<td class="memname">typedef struct <a class="el" href="struct_vma_budget.html">VmaBudget</a> <a class="el" href="struct_vma_budget.html">VmaBudget</a></td>
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</div><div class="memdoc">
<p>Statistics of current memory usage and available budget for a specific memory heap. </p>
<p >These are fast to calculate. See function <a class="el" href="group__group__stats.html#ga9f88db9d46a432c0ad7278cecbc5eaa7" title="Retrieves information about current memory usage and budget for all memory heaps.">vmaGetHeapBudgets()</a>. </p>
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</div>
<a id="ga9ab0c535a6ca655dc63b8609ab4b8394" name="ga9ab0c535a6ca655dc63b8609ab4b8394"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga9ab0c535a6ca655dc63b8609ab4b8394">&#9670;&nbsp;</a></span>VmaDetailedStatistics</h2>
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<td class="memname">typedef struct <a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a> <a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a></td>
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<p>More detailed statistics than <a class="el" href="struct_vma_statistics.html" title="Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool,...">VmaStatistics</a>. </p>
<p >These are slower to calculate. Use for debugging purposes. See functions: <a class="el" href="group__group__stats.html#ga36f3484de7aa6cd6edc4de9edfa0ff59" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStatistics()</a>, <a class="el" href="group__group__stats.html#ga50ba0eb25d2b363b792be4645ca7a380" title="Retrieves detailed statistics of existing VmaPool object.">vmaCalculatePoolStatistics()</a>.</p>
<p >Previous version of the statistics API provided averages, but they have been removed because they can be easily calculated as:</p>
<div class="fragment"><div class="line">VkDeviceSize allocationSizeAvg = detailedStats.statistics.allocationBytes / detailedStats.statistics.allocationCount;</div>
<div class="line">VkDeviceSize unusedBytes = detailedStats.statistics.blockBytes - detailedStats.statistics.allocationBytes;</div>
<div class="line">VkDeviceSize unusedRangeSizeAvg = unusedBytes / detailedStats.unusedRangeCount;</div>
</div><!-- fragment -->
</div>
</div>
<a id="gac94bd1a382a3922ddc8de3af4d3ddd06" name="gac94bd1a382a3922ddc8de3af4d3ddd06"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gac94bd1a382a3922ddc8de3af4d3ddd06">&#9670;&nbsp;</a></span>VmaStatistics</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">typedef struct <a class="el" href="struct_vma_statistics.html">VmaStatistics</a> <a class="el" href="struct_vma_statistics.html">VmaStatistics</a></td>
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</div><div class="memdoc">
<p>Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool, or total. </p>
<p >These are fast to calculate. See functions: <a class="el" href="group__group__stats.html#ga9f88db9d46a432c0ad7278cecbc5eaa7" title="Retrieves information about current memory usage and budget for all memory heaps.">vmaGetHeapBudgets()</a>, <a class="el" href="group__group__stats.html#ga34d8e7d83774eed0caee5c5ae88e217d" title="Retrieves statistics of existing VmaPool object.">vmaGetPoolStatistics()</a>. </p>
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<a id="ga68916e729e55d513f88ffafbadddb770" name="ga68916e729e55d513f88ffafbadddb770"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga68916e729e55d513f88ffafbadddb770">&#9670;&nbsp;</a></span>VmaTotalStatistics</h2>
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<td class="memname">typedef struct <a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a> <a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a></td>
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</div><div class="memdoc">
<p>General statistics from current state of the Allocator - total memory usage across all memory heaps and types. </p>
<p >These are slower to calculate. Use for debugging purposes. See function <a class="el" href="group__group__stats.html#ga36f3484de7aa6cd6edc4de9edfa0ff59" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStatistics()</a>. </p>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="gaa4fee7eb5253377599ef4fd38c93c2a0" name="gaa4fee7eb5253377599ef4fd38c93c2a0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaa4fee7eb5253377599ef4fd38c93c2a0">&#9670;&nbsp;</a></span>vmaBuildStatsString()</h2>
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<td class="memname">void vmaBuildStatsString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
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<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>ppStatsString</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">VkBool32&#160;</td>
<td class="paramname"><em>detailedMap</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Builds and returns statistics as a null-terminated string in JSON format. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">allocator</td><td></td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">ppStatsString</td><td>Must be freed using <a class="el" href="group__group__stats.html#ga3104eb30d8122c84dd8541063f145288">vmaFreeStatsString()</a> function. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">detailedMap</td><td></td></tr>
</table>
</dd>
</dl>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga52d810e1222c592e5d80556ad005f1e6">&#9670;&nbsp;</a></span>vmaBuildVirtualBlockStatsString()</h2>
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<td class="memname">void vmaBuildVirtualBlockStatsString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_virtual_block.html">VmaVirtualBlock</a>&#160;</td>
<td class="paramname"><em>virtualBlock</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>ppStatsString</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">VkBool32&#160;</td>
<td class="paramname"><em>detailedMap</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Builds and returns a null-terminated string in JSON format with information about given <a class="el" href="struct_vma_virtual_block.html" title="Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...">VmaVirtualBlock</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">virtualBlock</td><td>Virtual block. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">ppStatsString</td><td>Returned string. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">detailedMap</td><td>Pass <code>VK_FALSE</code> to only obtain statistics as returned by <a class="el" href="group__group__virtual.html#ga93c5741bca44b43e5b849cacbd616098" title="Calculates and returns detailed statistics about virtual allocations and memory usage in given VmaVir...">vmaCalculateVirtualBlockStatistics()</a>. Pass <code>VK_TRUE</code> to also obtain full list of allocations and free spaces.</td></tr>
</table>
</dd>
</dl>
<p>Returned string must be freed using <a class="el" href="group__group__stats.html#ga47fb8d8aa69df4a7c23a9719b4080623" title="Frees a string returned by vmaBuildVirtualBlockStatsString().">vmaFreeVirtualBlockStatsString()</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga50ba0eb25d2b363b792be4645ca7a380">&#9670;&nbsp;</a></span>vmaCalculatePoolStatistics()</h2>
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<td class="memname">void vmaCalculatePoolStatistics </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_pool.html">VmaPool</a>&#160;</td>
<td class="paramname"><em>pool</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_detailed_statistics.html">VmaDetailedStatistics</a> *&#160;</td>
<td class="paramname"><em>pPoolStats</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
</div><div class="memdoc">
<p>Retrieves detailed statistics of existing <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">allocator</td><td>Allocator object. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">pool</td><td>Pool object. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pPoolStats</td><td>Statistics of specified pool. </td></tr>
</table>
</dd>
</dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga36f3484de7aa6cd6edc4de9edfa0ff59">&#9670;&nbsp;</a></span>vmaCalculateStatistics()</h2>
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<td class="memname">void vmaCalculateStatistics </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_total_statistics.html">VmaTotalStatistics</a> *&#160;</td>
<td class="paramname"><em>pStats</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Retrieves statistics from current state of the Allocator. </p>
<p >This function is called "calculate" not "get" because it has to traverse all internal data structures, so it may be quite slow. Use it for debugging purposes. For faster but more brief statistics suitable to be called every frame or every allocation, use <a class="el" href="group__group__stats.html#ga9f88db9d46a432c0ad7278cecbc5eaa7" title="Retrieves information about current memory usage and budget for all memory heaps.">vmaGetHeapBudgets()</a>.</p>
<p >Note that when using allocator from multiple threads, returned information may immediately become outdated. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga3104eb30d8122c84dd8541063f145288">&#9670;&nbsp;</a></span>vmaFreeStatsString()</h2>
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<td class="memname">void vmaFreeStatsString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>pStatsString</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga47fb8d8aa69df4a7c23a9719b4080623">&#9670;&nbsp;</a></span>vmaFreeVirtualBlockStatsString()</h2>
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<td class="memname">void vmaFreeVirtualBlockStatsString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_virtual_block.html">VmaVirtualBlock</a>&#160;</td>
<td class="paramname"><em>virtualBlock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>pStatsString</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Frees a string returned by <a class="el" href="group__group__stats.html#ga52d810e1222c592e5d80556ad005f1e6" title="Builds and returns a null-terminated string in JSON format with information about given VmaVirtualBlo...">vmaBuildVirtualBlockStatsString()</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9f88db9d46a432c0ad7278cecbc5eaa7">&#9670;&nbsp;</a></span>vmaGetHeapBudgets()</h2>
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<td class="memname">void vmaGetHeapBudgets </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_budget.html">VmaBudget</a> *&#160;</td>
<td class="paramname"><em>pBudgets</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
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<p>Retrieves information about current memory usage and budget for all memory heaps. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">allocator</td><td></td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pBudgets</td><td>Must point to array with number of elements at least equal to number of memory heaps in physical device used.</td></tr>
</table>
</dd>
</dl>
<p>This function is called "get" not "calculate" because it is very fast, suitable to be called every frame or every allocation. For more detailed statistics use <a class="el" href="group__group__stats.html#ga36f3484de7aa6cd6edc4de9edfa0ff59" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStatistics()</a>.</p>
<p >Note that when using allocator from multiple threads, returned information may immediately become outdated. </p>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga34d8e7d83774eed0caee5c5ae88e217d">&#9670;&nbsp;</a></span>vmaGetPoolStatistics()</h2>
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<td class="memname">void vmaGetPoolStatistics </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_pool.html">VmaPool</a>&#160;</td>
<td class="paramname"><em>pool</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_statistics.html">VmaStatistics</a> *&#160;</td>
<td class="paramname"><em>pPoolStats</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Retrieves statistics of existing <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">allocator</td><td>Allocator object. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">pool</td><td>Pool object. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pPoolStats</td><td>Statistics of specified pool. </td></tr>
</table>
</dd>
</dl>
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