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Commit 015284ee authored by Jordan Crouse's avatar Jordan Crouse
Browse files

msm: kgsl: Remove the unused memory histogram 



This histogram is no longer interesting and most people don't know
it exists anyway. None shall mourn it.

Change-Id: Ic0dedbad031272a85ccfe63f08c4b21e2e0391ba
Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
parent 3d920d87

drivers/gpu/msm/kgsl.h

+0 −1
Original line number Diff line number Diff line
@@ -107,7 +107,6 @@ struct kgsl_driver { 
		unsigned int coherent_max;

		unsigned int mapped;

		unsigned int mapped_max;

		unsigned int histogram[16];

	} stats;

	unsigned int full_cache_threshold;

};

drivers/gpu/msm/kgsl_sharedmem.c

+1 −23
Original line number Diff line number Diff line
@@ -236,21 +236,6 @@ static ssize_t kgsl_drv_memstat_show(struct device *dev, 
	return snprintf(buf, PAGE_SIZE, "%u\n", val);

}



static ssize_t kgsl_drv_histogram_show(struct device *dev,

				   struct device_attribute *attr,

				   char *buf)

{

	int len = 0;

	int i;



	for (i = 0; i < 16; i++)

		len += snprintf(buf + len, PAGE_SIZE - len, "%d ",

			kgsl_driver.stats.histogram[i]);



	len += snprintf(buf + len, PAGE_SIZE - len, "\n");

	return len;

}



static ssize_t kgsl_drv_full_cache_threshold_store(struct device *dev,

					 struct device_attribute *attr,

					 const char *buf, size_t count)
@@ -282,7 +267,6 @@ static DEVICE_ATTR(coherent, 0444, kgsl_drv_memstat_show, NULL); 
static DEVICE_ATTR(coherent_max, 0444, kgsl_drv_memstat_show, NULL);

static DEVICE_ATTR(mapped, 0444, kgsl_drv_memstat_show, NULL);

static DEVICE_ATTR(mapped_max, 0444, kgsl_drv_memstat_show, NULL);

static DEVICE_ATTR(histogram, 0444, kgsl_drv_histogram_show, NULL);

static DEVICE_ATTR(full_cache_threshold, 0644,

		kgsl_drv_full_cache_threshold_show,

		kgsl_drv_full_cache_threshold_store);
@@ -296,7 +280,6 @@ static const struct device_attribute *drv_attr_list[] = { 
	&dev_attr_coherent_max,

	&dev_attr_mapped,

	&dev_attr_mapped_max,

	&dev_attr_histogram,

	&dev_attr_full_cache_threshold,

	NULL

};
@@ -597,7 +580,7 @@ _kgsl_sharedmem_page_alloc(struct kgsl_memdesc *memdesc, 
			struct kgsl_pagetable *pagetable,

			size_t size)

{

	int pcount = 0, order, ret = 0;

	int pcount = 0, ret = 0;

	int j, page_size, sglen_alloc, sglen = 0;

	size_t len;

	struct page **pages = NULL;
@@ -747,11 +730,6 @@ _kgsl_sharedmem_page_alloc(struct kgsl_memdesc *memdesc, 
	outer_cache_range_op_sg(memdesc->sg, memdesc->sglen,

				KGSL_CACHE_OP_FLUSH);



	order = get_order(size);



	if (order < 16)

		kgsl_driver.stats.histogram[order]++;



done:

	KGSL_STATS_ADD(memdesc->size, kgsl_driver.stats.page_alloc,

		kgsl_driver.stats.page_alloc_max);