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platform: dce: Add Debugfs support for Perf

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Add debugfs nodes
 - start/stop perf stats.
 - read perf stat stats
 - set the format type as csv or xml

Add debugfs to capture perf events
 - Can enable specific perf events
through debugfs node.

Signed-off-by: Mahesh Kumar <mahkumar@nvidia.com>
Change-Id: I0a7833d7a8f04296ba3806f4f2a218175080d2e2
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2765513
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Arun Swain <arswain@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Tested-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Mahesh Kumar
2022-07-11 15:06:14 +05:30
committed by Laxman Dewangan
parent b25786578c
commit 873e421d95
10 changed files with 1015 additions and 23 deletions
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14
drivers/platform/tegra/dce/include/dce.h
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@@ -1,5 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* Copyright (c) 2019-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -425,6 +426,17 @@ int dce_admin_send_enter_sc7(struct tegra_dce *d,
struct dce_ipc_message *msg);
int dce_admin_handle_ipc_requested_event(struct tegra_dce *d, void *params);
int dce_admin_handle_ipc_received_event(struct tegra_dce *d, void *params);
int dce_admin_send_cmd_get_perf_stat(struct tegra_dce *d,
struct dce_ipc_message *msg);
int dce_admin_send_cmd_set_perf_stat(struct tegra_dce *d,
struct dce_ipc_message *msg,
bool start_perf);
int dce_admin_send_cmd_stop_perf_stat(struct tegra_dce *d,
struct dce_ipc_message *msg);
int dce_admin_send_cmd_get_perf_events(struct tegra_dce *d,
struct dce_ipc_message *msg);
int dce_admin_send_cmd_clear_perf_events(struct tegra_dce *d,
struct dce_ipc_message *msg);
int dce_admin_ipc_wait(struct tegra_dce *d, u32 w_type);
void dce_admin_ipc_handle_signal(struct tegra_dce *d, u32 ch_type);