Added developer_memorylargerthanmb cvar which prints (with developer 1) notices about...

Slightly improved the Mem_Alloc out of memory error to include the size of the failed allocation.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12292 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=9e8aa111b367c9c6fdf3c345431a9c61ef8b82a3

diff --git a/zone.c b/zone.c
index fe80693ce342fd08b9ac2171d8129f4212d76a2a..2aa575e786b442cd96a59f683c856f4f89bac3da 100644 (file)
--- a/zone.c
+++ b/zone.c
@@ -95,6 +95,7 @@ static memclump_t *clumpchain = NULL;
 
 cvar_t developer_memory = {0, "developer_memory", "0", "prints debugging information about memory allocations"};
 cvar_t developer_memorydebug = {0, "developer_memorydebug", "0", "enables memory corruption checks (very slow)"};
+cvar_t developer_memoryreportlargerthanmb = {0, "developer_memorylargerthanmb", "16", "prints debugging information about memory allocations over this size"};
 cvar_t sys_memsize_physical = {CVAR_READONLY, "sys_memsize_physical", "", "physical memory size in MB (or empty if unknown)"};
 cvar_t sys_memsize_virtual = {CVAR_READONLY, "sys_memsize_virtual", "", "virtual memory size in MB (or empty if unknown)"};
 
@@ -390,21 +391,21 @@ void *_Mem_Alloc(mempool_t *pool, void *olddata, size_t size, size_t alignment,
        }
        if (mem_mutex)
                Thread_LockMutex(mem_mutex);
-       if (developer_memory.integer)
-               Con_DPrintf("Mem_Alloc: pool %s, file %s:%i, size %i bytes\n", pool->name, filename, fileline, (int)size);
+       if (developer_memory.integer || size >= developer_memoryreportlargerthanmb.value * 1048576)
+               Con_DPrintf("Mem_Alloc: pool %s, file %s:%i, size %f bytes (%f MB)\n", pool->name, filename, fileline, (double)size, (double)size / 1048576.0f);
        //if (developer.integer > 0 && developer_memorydebug.integer)
        //      _Mem_CheckSentinelsGlobal(filename, fileline);
        pool->totalsize += size;
        realsize = alignment + sizeof(memheader_t) + size + sizeof(sentinel2);
        pool->realsize += realsize;
        base = (unsigned char *)Clump_AllocBlock(realsize);
-       if (base== NULL)
+       if (base == NULL)
        {
                Mem_PrintList(0);
                Mem_PrintStats();
                Mem_PrintList(1<<30);
                Mem_PrintStats();
-               Sys_Error("Mem_Alloc: out of memory (alloc at %s:%i)", filename, fileline);
+               Sys_Error("Mem_Alloc: out of memory (alloc of size %f (%.3fMB) at %s:%i)", (double)realsize, (double)realsize / (1 << 20), filename, fileline);
        }
        // calculate address that aligns the end of the memheader_t to the specified alignment
        mem = (memheader_t*)((((size_t)base + sizeof(memheader_t) + (alignment-1)) & ~(alignment-1)) - sizeof(memheader_t));
@@ -919,6 +920,7 @@ void Memory_Init_Commands (void)
        Cmd_AddCommand ("memlist", MemList_f, "prints memory pool information (or if used as memlist 5 lists individual allocations of 5K or larger, 0 lists all allocations)");
        Cvar_RegisterVariable (&developer_memory);
        Cvar_RegisterVariable (&developer_memorydebug);
+       Cvar_RegisterVariable (&developer_memoryreportlargerthanmb);
        Cvar_RegisterVariable (&sys_memsize_physical);
        Cvar_RegisterVariable (&sys_memsize_virtual);
 

diff --git a/zone.h b/zone.h
index 6caa039087b83085bd86f53fc5e5429ad551d76b..a157baca710070ebf3e4566491091e6c6082001a 100644 (file)
--- a/zone.h
+++ b/zone.h
@@ -139,6 +139,7 @@ extern mempool_t *zonemempool;
 
 extern struct cvar_s developer_memory;
 extern struct cvar_s developer_memorydebug;
+extern struct cvar_s developer_memoryreportlargerthanmb;
 
 #endif