From 93636aa81cf8282d8913aedf36dabac6fe557980 Mon Sep 17 00:00:00 2001
From: Krishna Reddy <vdumpa@nvidia.com>
Date: Tue, 5 Jun 2012 10:18:13 -0700
Subject: video: tegra: nvmap: Use trace points in NvMap.

Change-Id: I2a5f0c9305bd53c42df181556d97efa5d6792ad7
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/106500
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bo Yan <byan@nvidia.com>
---
 drivers/video/tegra/nvmap/nvmap_dev.c    |  7 ++++++-
 drivers/video/tegra/nvmap/nvmap_handle.c | 11 ++++++++---
 drivers/video/tegra/nvmap/nvmap_ioctl.c  | 10 +++++++++-
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/drivers/video/tegra/nvmap/nvmap_dev.c b/drivers/video/tegra/nvmap/nvmap_dev.c
index 9ecce7eeeb17..aed98f574001 100644
--- a/drivers/video/tegra/nvmap/nvmap_dev.c
+++ b/drivers/video/tegra/nvmap/nvmap_dev.c
@@ -34,12 +34,15 @@
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
 #include <linux/vmalloc.h>
+#include <linux/nvmap.h>
 
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
 #include <mach/iovmm.h>
-#include <linux/nvmap.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/nvmap.h>
 
 #include "nvmap.h"
 #include "nvmap_ioctl.h"
@@ -761,6 +764,7 @@ static int nvmap_open(struct inode *inode, struct file *filp)
 	priv = nvmap_create_client(dev, "user");
 	if (!priv)
 		return -ENOMEM;
+	trace_nvmap_open(priv);
 
 	priv->super = (filp->f_op == &nvmap_super_fops);
 
@@ -772,6 +776,7 @@ static int nvmap_open(struct inode *inode, struct file *filp)
 
 static int nvmap_release(struct inode *inode, struct file *filp)
 {
+	trace_nvmap_release(filp->private_data);
 	nvmap_client_put(filp->private_data);
 	return 0;
 }
diff --git a/drivers/video/tegra/nvmap/nvmap_handle.c b/drivers/video/tegra/nvmap/nvmap_handle.c
index 56e2dab1820c..0cdac926f041 100644
--- a/drivers/video/tegra/nvmap/nvmap_handle.c
+++ b/drivers/video/tegra/nvmap/nvmap_handle.c
@@ -30,16 +30,17 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/fs.h>
+#include <linux/shrinker.h>
+#include <linux/moduleparam.h>
+#include <linux/nvmap.h>
 
 #include <asm/cacheflush.h>
 #include <asm/outercache.h>
 #include <asm/pgtable.h>
 
 #include <mach/iovmm.h>
-#include <linux/nvmap.h>
+#include <trace/events/nvmap.h>
 
-#include <linux/shrinker.h>
-#include <linux/moduleparam.h>
 #include "nvmap.h"
 #include "nvmap_mru.h"
 #include "nvmap_common.h"
@@ -737,6 +738,7 @@ int nvmap_alloc_handle_id(struct nvmap_client *client,
 	if (h->alloc)
 		goto out;
 
+	trace_nvmap_alloc_handle_id(client, id, heap_mask, align, flags);
 	h->userflags = flags;
 	nr_page = ((h->size + PAGE_SIZE - 1) >> PAGE_SHIFT);
 	h->secure = !!(flags & NVMAP_HANDLE_SECURE);
@@ -819,6 +821,7 @@ void nvmap_free_handle_id(struct nvmap_client *client, unsigned long id)
 		return;
 	}
 
+	trace_nvmap_free_handle_id(client, id);
 	BUG_ON(!ref->handle);
 	h = ref->handle;
 
@@ -919,6 +922,7 @@ struct nvmap_handle_ref *nvmap_create_handle(struct nvmap_client *client,
 	ref->handle = h;
 	atomic_set(&ref->pin, 0);
 	add_handle_ref(client, ref);
+	trace_nvmap_create_handle(client, h, size, ref);
 	return ref;
 }
 
@@ -992,5 +996,6 @@ struct nvmap_handle_ref *nvmap_duplicate_handle_id(struct nvmap_client *client,
 	ref->handle = h;
 	atomic_set(&ref->pin, 0);
 	add_handle_ref(client, ref);
+	trace_nvmap_duplicate_handle_id(client, id, ref);
 	return ref;
 }
diff --git a/drivers/video/tegra/nvmap/nvmap_ioctl.c b/drivers/video/tegra/nvmap/nvmap_ioctl.c
index 7a10231982c1..44f00d2951a0 100644
--- a/drivers/video/tegra/nvmap/nvmap_ioctl.c
+++ b/drivers/video/tegra/nvmap/nvmap_ioctl.c
@@ -25,13 +25,14 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
+#include <linux/nvmap.h>
 
 #include <asm/cacheflush.h>
 #include <asm/outercache.h>
 #include <asm/tlbflush.h>
 
 #include <mach/iovmm.h>
-#include <linux/nvmap.h>
+#include <trace/events/nvmap.h>
 
 #include "nvmap_ioctl.h"
 #include "nvmap.h"
@@ -83,6 +84,7 @@ int nvmap_ioctl_pinop(struct file *filp, bool is_pin, void __user *arg)
 		on_stack[0] = (unsigned long)op.handles;
 	}
 
+	trace_nvmap_ioctl_pinop(filp->private_data, is_pin, op.count, refs);
 	if (is_pin)
 		err = nvmap_pin_ids(filp->private_data, op.count, refs);
 	else
@@ -234,6 +236,8 @@ int nvmap_map_into_caller_ptr(struct file *filp, void __user *arg)
 	if (!h)
 		return -EPERM;
 
+	trace_nvmap_map_into_caller_ptr(client, h, op.offset,
+					op.length, op.flags);
 	down_read(&current->mm->mmap_sem);
 
 	vma = find_vma(current->mm, op.addr);
@@ -409,6 +413,9 @@ int nvmap_ioctl_rw_handle(struct file *filp, int is_read, void __user* arg)
 
 	nvmap_usecount_inc(h);
 
+	trace_nvmap_ioctl_rw_handle(client, h, is_read, op.offset,
+				    op.addr, op.hmem_stride,
+				    op.user_stride, op.elem_size, op.count);
 	copied = rw_handle(client, h, is_read, op.offset,
 			   (unsigned long)op.addr, op.hmem_stride,
 			   op.user_stride, op.elem_size, op.count);
@@ -582,6 +589,7 @@ static int cache_maint(struct nvmap_client *client, struct nvmap_handle *h,
 		goto out;
 	}
 
+	trace_cache_maint(client, h, start, end, op);
 	wmb();
 	if (h->flags == NVMAP_HANDLE_UNCACHEABLE ||
 	    h->flags == NVMAP_HANDLE_WRITE_COMBINE || start == end)
-- 
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