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libsysprof: implement callgraph frame summaries

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This commit is contained in:
Christian Hergert
2023-07-20 17:02:56 -07:00
parent 0f70dd1d68
commit 90c6d87a8c
2 changed files with 63 additions and 3 deletions
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19
src/libsysprof/sysprof-callgraph-frame.c
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@ -519,6 +519,25 @@ static void
summarize_node (const SysprofCallgraphNode *node,
Summary *summaries)
{
if (node->is_toplevel &&
node->category != 0 &&
node->category != SYSPROF_CALLGRAPH_CATEGORY_PRESENTATION)
{
gboolean seen[SYSPROF_CALLGRAPH_CATEGORY_LAST] = {0};
seen[node->category & 0xFF] = TRUE;
summaries[node->category & 0xFF].count += node->count;
for (const SysprofCallgraphNode *parent = node->parent; parent; parent = parent->parent)
{
if (!seen[parent->category & 0xFF] && (parent->category & SYSPROF_CALLGRAPH_CATEGORY_INHERIT) != 0)
{
seen[parent->category & 0xFF] = TRUE;
summaries[parent->category & 0xFF].count += node->count;
}
}
}
for (const SysprofCallgraphNode *iter = node->children; iter; iter = iter->next)
summarize_node (iter, summaries);
}