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Commit faf66608 authored by Yaniv Gardi's avatar Yaniv Gardi
Browse files

scsi: ufs-debugfs: create statistics folder 



In this patch a new folder is created under the debugfs/ufshcd<x>
root folder, in which all statistics information is located and collected.

Change-Id: I3ea68a7c75b8252b6ad8487ff927e0fe520242e4
Signed-off-by: default avatarYaniv Gardi <ygardi@codeaurora.org>
parent ed3d0eb5

drivers/scsi/ufs/ufs-debugfs.c

+13 −5
Original line number Diff line number Diff line
@@ -1464,22 +1464,30 @@ void ufsdbg_add_debugfs(struct ufs_hba *hba) 
		goto err_no_root;

	}



	hba->debugfs_files.stats_folder = debugfs_create_dir("stats",

					hba->debugfs_files.debugfs_root);

	if (!hba->debugfs_files.stats_folder) {

		dev_err(hba->dev,

			"%s: NULL stats_folder, exiting", __func__);

		goto err;

	}



	hba->debugfs_files.tag_stats =

		debugfs_create_file("tag_stats", S_IRUSR | S_IWUSR,

					   hba->debugfs_files.debugfs_root, hba,

					   hba->debugfs_files.stats_folder, hba,

					   &ufsdbg_tag_stats_fops);

	if (!hba->debugfs_files.tag_stats) {

		dev_err(hba->dev, "%s:  NULL tag stats file, exiting",

		dev_err(hba->dev, "%s:  NULL tag_stats file, exiting",

			__func__);

		goto err;

	}



	hba->debugfs_files.err_stats =

		debugfs_create_file("err_stats", S_IRUSR | S_IWUSR,

					   hba->debugfs_files.debugfs_root, hba,

					   hba->debugfs_files.stats_folder, hba,

					   &ufsdbg_err_stats_fops);

	if (!hba->debugfs_files.err_stats) {

		dev_err(hba->dev, "%s:  NULL err stats file, exiting",

		dev_err(hba->dev, "%s:  NULL err_stats file, exiting",

			__func__);

		goto err;

	}
@@ -1561,7 +1569,7 @@ void ufsdbg_add_debugfs(struct ufs_hba *hba) 


	hba->debugfs_files.req_stats =

		debugfs_create_file("req_stats", S_IRUSR | S_IWUSR,

			hba->debugfs_files.debugfs_root, hba,

			hba->debugfs_files.stats_folder, hba,

			&ufsdbg_req_stats_desc);

	if (!hba->debugfs_files.req_stats) {

		dev_err(hba->dev,

drivers/scsi/ufs/ufshcd.h

+1 −0
Original line number Diff line number Diff line
@@ -456,6 +456,7 @@ struct ufs_uic_err_reg_hist { 
#ifdef CONFIG_DEBUG_FS

struct debugfs_files {

	struct dentry *debugfs_root;

	struct dentry *stats_folder;

	struct dentry *tag_stats;

	struct dentry *err_stats;

	struct dentry *show_hba;