linux-kernel - Re: [PATCH] Add gpu memory tracepoints

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Date:   Mon, 10 Feb 2020 21:19:51 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     zzyiwei@...gle.com
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add gpu memory tracepoints

On Mon, 10 Feb 2020 17:16:31 -0800
zzyiwei@...gle.com wrote:

> From: Yiwei Zhang <zzyiwei@...gle.com>
> 
> This change adds the below gpu memory tracepoint:
> gpu_mem/gpu_mem_total: track global or process gpu memory total counters
> 
> Signed-off-by: Yiwei Zhang <zzyiwei@...gle.com>
> ---
>  include/trace/events/gpu_mem.h | 64 ++++++++++++++++++++++++++++++++++
>  kernel/trace/Kconfig           |  3 ++
>  kernel/trace/Makefile          |  1 +
>  kernel/trace/trace_gpu_mem.c   | 13 +++++++
>  4 files changed, 81 insertions(+)
>  create mode 100644 include/trace/events/gpu_mem.h
>  create mode 100644 kernel/trace/trace_gpu_mem.c

What exactly is this, and why is it being put in the tracing
infrastructure code?

-- Steve