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Commit e42e8c38 authored by Jeya R's avatar Jeya R Committed by Gerrit - the friendly Code Review server
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msm: ADSPRPC: Add start and end timer for map and buffer 



Get kernel time during start and end of map create
to keep track of time taken to create map. The time
variables are added as member of map struct. Same
time variables are added for buffers also.

Change-Id: I6454f5b60bec1a24a43ea1b7539ec45ba5358f2e
Acked-by: default avatarEkansh Gupta <ekangupt@qti.qualcomm.com>
Signed-off-by: default avatarJeya R <jeyr@codeaurora.org>
parent 6a4a4954

drivers/char/adsprpc.c

+10 −0
Original line number Diff line number Diff line
@@ -319,6 +319,8 @@ struct fastrpc_buf { 
	uint32_t flags;

	int type;		/* One of "fastrpc_buf_type" */

	bool in_use;	/* Used only for persistent header buffers */

	struct timespec64 buf_start_time;

	struct timespec64 buf_end_time;

};



struct fastrpc_ctx_lst;
@@ -518,6 +520,8 @@ struct fastrpc_mmap { 
	int uncached;

	int secure;

	uintptr_t attr;

	struct timespec64 map_start_time;

	struct timespec64 map_end_time;

};



enum fastrpc_perfkeys {
@@ -1246,6 +1250,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
	map->fl = fl;

	map->fd = fd;

	map->attr = attr;

	ktime_get_real_ts64(&map->map_start_time);

	if (mflags == ADSP_MMAP_HEAP_ADDR ||

				mflags == ADSP_MMAP_REMOTE_HEAP_ADDR) {

		map->apps = me;
@@ -1455,6 +1460,8 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
	*ppmap = map;



bail:

	if (map)

		ktime_get_real_ts64(&map->map_end_time);

	if (err && map)

		fastrpc_mmap_free(map, 0);

	return err;
@@ -1569,6 +1576,7 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, size_t size, 
	buf->flags = rflags;

	buf->raddr = 0;

	buf->type = buf_type;

	ktime_get_real_ts64(&buf->buf_start_time);

	buf->virt = dma_alloc_attrs(fl->sctx->smmu.dev, buf->size,

						(dma_addr_t *)&buf->phys,

						GFP_KERNEL, buf->dma_attr);
@@ -1618,6 +1626,8 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, size_t size, 
	}

	*obuf = buf;

 bail:

	if (buf)

		ktime_get_real_ts64(&buf->buf_end_time);

	if (err && buf)

		fastrpc_buf_free(buf, 0);

	return err;