The function recursively calculates memory held by context's children.
It is aimed to easier debugging of excessive memory usage with ralloc.
It will work only if malloc_usable_size is available.
Signed-off-by: Danylo Piliaiev <danylo.pilia...@globallogic.com>
---
src/util/ralloc.c | 30 ++++++++++++++++++++++++++++++
src/util/ralloc.h | 5 +++++
2 files changed, 35 insertions(+)
diff --git a/src/util/ralloc.c b/src/util/ralloc.c
index 5d77f75ee8..c8d217f6a3 100644
--- a/src/util/ralloc.c
+++ b/src/util/ralloc.c
@@ -28,6 +28,10 @@
#include <string.h>
#include <stdint.h>
+#ifdef __GLIBC__
+#include <malloc.h>
+#endif
+
/* Some versions of MinGW are missing _vscprintf's declaration, although they
* still provide the symbol in the import library. */
#ifdef __MINGW32__
@@ -239,6 +243,32 @@ ralloc_free(void *ptr)
unsafe_free(info);
}
+size_t
+ralloc_calc_size(void *ctx)
+{
+#ifdef __GLIBC__
+ ralloc_header *info;
+
+ if (ctx == NULL)
+ return 0;
+
+ info = get_header(ctx);
+
+ size_t total_size = malloc_usable_size(info);
+
+ /* Recursively calculate children size */
+ ralloc_header *temp = info->child;
+ while (temp != NULL) {
+ total_size += ralloc_calc_size(PTR_FROM_HEADER(temp));
+ temp = temp->next;
+ }
+
+ return total_size;
+#else
+ return 0;
+#endif
+}
+
static void
unlink_block(ralloc_header *info)
{
diff --git a/src/util/ralloc.h b/src/util/ralloc.h
index 05ae8f8407..fecd31bdca 100644
--- a/src/util/ralloc.h
+++ b/src/util/ralloc.h
@@ -219,6 +219,11 @@ void *reralloc_array_size(const void *ctx, void *ptr,
size_t size,
unsigned count);
/// @}
+/**
+ * Calculate total memory size held by the context
+ */
+size_t ralloc_calc_size(void *ctx);
+
/**
* Free a piece of ralloc-managed memory.
*
--
2.17.1
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