This is the PATCH 3/4
-----Original Message-----
From: Guzman Lugo, Fernando
Sent: Thursday, March 26, 2009 7:12 PM
To: Pandita, Vikram
Cc: 'linux-omap@xxxxxxxxxxxxxxx'
Subject: [PATCH] [OMAPZOOM] DSPBRIDGE: Add DSP_MMU_DEBUG
>From 1e8c0757f37656273772ef0e53914c99ace9a5d0 Mon Sep 17 00:00:00 2001
From: Hari Kanigeri <h-kanigeri2@xxxxxx>
Date: Thu, 26 Mar 2009 16:38:10 -0500
Subject: [PATCH] DSPBRIDGE: Add DSP_MMU_DEBUG
This patch enables to monitor the usage of DSP Virtual memory by printing the
used memory region, free memory region, and the largest contiguous memory
region.
Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
---
drivers/dsp/bridge/pmgr/dmm.c | 46 ++++++++++++++++++++++++++++++++++++++++
drivers/dsp/bridge/rmgr/node.c | 23 ++++++++++++++++++++
2 files changed, 69 insertions(+), 0 deletions(-)
diff --git a/drivers/dsp/bridge/pmgr/dmm.c b/drivers/dsp/bridge/pmgr/dmm.c
index be1567a..803de93
--- a/drivers/dsp/bridge/pmgr/dmm.c
+++ b/drivers/dsp/bridge/pmgr/dmm.c
@@ -121,6 +121,9 @@ static u32 TableSize;/* The size of virtual and physical pages tables */
static struct MapPage *GetRegion(u32 addr);
static struct MapPage *GetFreeRegion(u32 aSize);
static struct MapPage *GetMappedRegion(u32 aAddr);
+#ifdef DSP_DMM_DEBUG
+u32 DMM_MemMapDump(struct DMM_OBJECT *hDmmMgr);
+#endif
/* ======== DMM_CreateTables ========
* Purpose:
@@ -644,3 +647,46 @@ u32 *DMM_GetPhysicalAddrTable(void)
pPhysicalAddrTable);
return pPhysicalAddrTable;
}
+
+#ifdef DSP_DMM_DEBUG
+u32 DMM_MemMapDump(struct DMM_OBJECT *hDmmMgr)
+{
+ struct MapPage *curNode = NULL;
+ u32 i;
+ u32 freemem = 0;
+ u32 bigsize = 0;
+
+ SYNC_EnterCS(hDmmMgr->hDmmLock);
+
+ if (pVirtualMappingTable != NULL) {
+ for (i = 0; i < TableSize; i +=
+ pVirtualMappingTable[i].RegionSize) {
+ curNode = pVirtualMappingTable + i;
+ if (curNode->bReserved == TRUE) {
+ /*printk("RESERVED size = 0x%x, "
+ "Map size = 0x%x\n",
+ (curNode->RegionSize * PG_SIZE_4K),
+ (curNode->bMapped == false) ? 0 :
+ (curNode->MappedSize * PG_SIZE_4K));
+*/
+ } else {
+/* printk("UNRESERVED size = 0x%x\n",
+ (curNode->RegionSize * PG_SIZE_4K));
+*/
+ freemem += (curNode->RegionSize * PG_SIZE_4K);
+ if (curNode->RegionSize > bigsize)
+ bigsize = curNode->RegionSize;
+ }
+ }
+ }
+ printk(KERN_INFO "Total DSP VA FREE memory = %d Mbytes\n",
+ freemem/(1024*1024));
+ printk(KERN_INFO "Total DSP VA USED memory= %d Mbytes \n",
+ (((TableSize * PG_SIZE_4K)-freemem))/(1024*1024));
+ printk(KERN_INFO "DSP VA - Biggest FREE block = %d Mbytes \n\n",
+ (bigsize*PG_SIZE_4K/(1024*1024)));
+ SYNC_LeaveCS(hDmmMgr->hDmmLock);
+
+ return 0;
+}
+#endif
diff --git a/drivers/dsp/bridge/rmgr/node.c b/drivers/dsp/bridge/rmgr/node.c
index 2a6590e..1fae5d9 100755
--- a/drivers/dsp/bridge/rmgr/node.c
+++ b/drivers/dsp/bridge/rmgr/node.c
@@ -359,6 +359,10 @@ static u32 Write(void *pPrivRef, u32 ulDspAddr, void *pBuf,
static struct GT_Mask NODE_debugMask = { NULL, NULL }; /* GT trace variable */
#endif
+#ifdef DSP_DMM_DEBUG
+extern u32 DMM_MemMapDump(struct DMM_OBJECT *hDmmMgr);
+#endif
+
static u32 cRefs; /* module reference count */
/* Dynamic loader functions. */
@@ -425,6 +429,10 @@ DSP_STATUS NODE_Allocate(struct PROC_OBJECT *hProcessor,
struct CFG_HOSTRES hostRes;
u32 pMappedAddr = 0;
u32 mapAttrs = 0x0;
+#ifdef DSP_DMM_DEBUG
+ struct DMM_OBJECT *hDmmMgr;
+ struct PROC_OBJECT *pProcObject = (struct PROC_OBJECT *)hProcessor;
+#endif
#ifndef RES_CLEANUP_DISABLE
@@ -547,6 +555,11 @@ func_cont:
"NODE_Allocate: DSPProcessor_Reserve"
" Memory successful: 0x%x\n", status);
}
+#ifdef DSP_DMM_DEBUG
+ status = DMM_GetHandle(pProcObject, &hDmmMgr);
+ if (DSP_SUCCEEDED(status))
+ DMM_MemMapDump(hDmmMgr);
+#endif
if (DSP_FAILED(status))
goto func_cont3;
@@ -2824,6 +2837,11 @@ static void DeleteNode(struct NODE_OBJECT *hNode)
struct STREAM stream;
struct NODE_MSGARGS msgArgs;
struct NODE_TASKARGS taskArgs;
+#ifdef DSP_DMM_DEBUG
+ struct DMM_OBJECT *hDmmMgr;
+ struct PROC_OBJECT *pProcObject =
+ (struct PROC_OBJECT *)hNode->hProcessor;
+#endif
DSP_STATUS status;
DBC_Require(MEM_IsValidHandle(hNode, NODE_SIGNATURE));
hNodeMgr = hNode->hNodeMgr;
@@ -2909,6 +2927,11 @@ static void DeleteNode(struct NODE_OBJECT *hNode)
"failed. Status = 0x%x\n",
(u32)status);
}
+#ifdef DSP_DMM_DEBUG
+ status = DMM_GetHandle(pProcObject, &hDmmMgr);
+ if (DSP_SUCCEEDED(status))
+ DMM_MemMapDump(hDmmMgr);
+#endif
}
}
if (nodeType != NODE_MESSAGE) {
--
1.5.6.4
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