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gpu: nvgpu: add cycle stats to debugger node

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Add NVGPU_DBG_GPU_IOCTL_CYCLE_STATS to debugger node, to
install/uninstall a buffer for cycle stats.

Add NVGPU_DBG_GPU_IOCTL_CYCLE_STATS_SNAPSHOT to debugger
node, to attach/flush/detach a buffer for Mode-E streamout.

Those ioctls will apply to the first channel in the debug session.

Bug 200464613
Jira NVGPU-1442

Change-Id: I0b96d9a07c016690140292fa5886fda545697ee6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2002060
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2018-12-21 10:04:27 +05:30
committed by mobile promotions
parent efdcce03d3
commit 90b0bf98ac
4 changed files with 139 additions and 14 deletions
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11
drivers/gpu/nvgpu/os/linux/ioctl_channel.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2017-2019, NVIDIA CORPORATION. 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,
@@ -36,9 +36,16 @@ long gk20a_channel_ioctl(struct file *filp,
int gk20a_channel_open_ioctl(struct gk20a *g,
struct nvgpu_channel_open_args *args);
int gk20a_channel_free_cycle_stats_snapshot(struct channel_gk20a *ch);
int gk20a_channel_cycle_stats(struct channel_gk20a *ch, int dmabuf_fd);
void gk20a_channel_free_cycle_stats_buffer(struct channel_gk20a *ch);
int gk20a_attach_cycle_stats_snapshot(struct channel_gk20a *ch,
u32 dmabuf_fd,
u32 perfmon_id_count,
u32 *perfmon_id_start);
int gk20a_flush_cycle_stats_snapshot(struct channel_gk20a *ch);
int gk20a_channel_free_cycle_stats_snapshot(struct channel_gk20a *ch);
extern const struct file_operations gk20a_channel_ops;
u32 nvgpu_get_common_runlist_level(u32 level);