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bh=mTYppPJ5Ute3VWth+pRMA7P1tevA8UJj7ZeokPwhcaU=; b=l7icrKX329YoaXu5ieiNdla8v8pVc78YbL3fl47efnYEtpnJb4BE0i/HWK3zoQbnxe DC5GW2tG2hugTyGYvIvugHts6sV8PzrWmjc1XxzcHNEbuyTpxK0ZLbqyTlnersFZ8gMt YFrnvubOSHLECLWX5bZnKdRF2u98w2/MKdz1qRsOcfkC/w31mfyQHX3xdEwbKstyPjiV 4iNg/RzjlCAxvv91JzU4Hsg+DzlnOqd63N7RjjBEELIX6SmD36KHe/Lc13cgePzWD8jr kaDW7PRY8I1WZvHYiTScbF//DxZpR9ZoZ/fm3hpCMGo7Fz7FlJlZLo4NBGIVGBx0HdGi BuDA== X-Gm-Message-State: APjAAAUeYGOxsP0Xwb5g3JOGBy39NyuolhIJlNai8v7bUJHfMUrT9MNB qrfsQHMieZSMnWZcGzLKeAfpAB20M8E= X-Google-Smtp-Source: APXvYqye0Egvw3/HF8T0JUPBmXcvpU0R1b+9Z5UbW+tE51KPuuykFS0AWyQtGC4AuXlEhbThrroCES90oSRx X-Received: by 2002:a63:381a:: with SMTP id f26mr15707113pga.40.1581553986781; Wed, 12 Feb 2020 16:33:06 -0800 (PST) Date: Wed, 12 Feb 2020 16:32:59 -0800 Message-Id: <20200213003259.128938-1-zzyiwei@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.25.0.225.g125e21ebc7-goog Subject: [PATCH v2] Add gpu memory tracepoints From: zzyiwei@google.com To: rostedt@goodmis.org, mingo@redhat.com, gregkh@linuxfoundation.org, elder@kernel.org, federico.vaga@cern.ch, tony.luck@intel.com, vilhelm.gray@gmail.com, linus.walleij@linaro.org, tglx@linutronix.de, yamada.masahiro@socionext.com, paul.walmsley@sifive.com, linux-kernel@vger.kernel.org Cc: prahladk@google.com, joelaf@google.com, android-kernel@google.com, Yiwei Zhang Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yiwei Zhang 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 --- drivers/Kconfig | 2 + drivers/gpu/Makefile | 1 + drivers/gpu/trace/Kconfig | 4 ++ drivers/gpu/trace/Makefile | 3 ++ drivers/gpu/trace/trace_gpu_mem.c | 13 +++++++ include/trace/events/gpu_mem.h | 64 +++++++++++++++++++++++++++++++ 6 files changed, 87 insertions(+) create mode 100644 drivers/gpu/trace/Kconfig create mode 100644 drivers/gpu/trace/Makefile create mode 100644 drivers/gpu/trace/trace_gpu_mem.c create mode 100644 include/trace/events/gpu_mem.h diff --git a/drivers/Kconfig b/drivers/Kconfig index 8befa53f43be..e0eda1a5c3f9 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -200,6 +200,8 @@ source "drivers/thunderbolt/Kconfig" source "drivers/android/Kconfig" +source "drivers/gpu/trace/Kconfig" + source "drivers/nvdimm/Kconfig" source "drivers/dax/Kconfig" diff --git a/drivers/gpu/Makefile b/drivers/gpu/Makefile index f17d01f076c7..835c88318cec 100644 --- a/drivers/gpu/Makefile +++ b/drivers/gpu/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_TEGRA_HOST1X) += host1x/ obj-y += drm/ vga/ obj-$(CONFIG_IMX_IPUV3_CORE) += ipu-v3/ +obj-$(CONFIG_TRACE_GPU_MEM) += trace/ diff --git a/drivers/gpu/trace/Kconfig b/drivers/gpu/trace/Kconfig new file mode 100644 index 000000000000..c24e9edd022e --- /dev/null +++ b/drivers/gpu/trace/Kconfig @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config TRACE_GPU_MEM + bool diff --git a/drivers/gpu/trace/Makefile b/drivers/gpu/trace/Makefile new file mode 100644 index 000000000000..b70fbdc5847f --- /dev/null +++ b/drivers/gpu/trace/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-$(CONFIG_TRACE_GPU_MEM) += trace_gpu_mem.o diff --git a/drivers/gpu/trace/trace_gpu_mem.c b/drivers/gpu/trace/trace_gpu_mem.c new file mode 100644 index 000000000000..01e855897b6d --- /dev/null +++ b/drivers/gpu/trace/trace_gpu_mem.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * GPU memory trace points + * + * Copyright (C) 2020 Google, Inc. + */ + +#include + +#define CREATE_TRACE_POINTS +#include + +EXPORT_TRACEPOINT_SYMBOL(gpu_mem_total); diff --git a/include/trace/events/gpu_mem.h b/include/trace/events/gpu_mem.h new file mode 100644 index 000000000000..3b632a2b5100 --- /dev/null +++ b/include/trace/events/gpu_mem.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * GPU memory trace points + * + * Copyright (C) 2020 Google, Inc. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM gpu_mem + +#if !defined(_TRACE_GPU_MEM_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_GPU_MEM_H + +#include + +/* + * The gpu_memory_total event indicates that there's an update to either the + * global or process total gpu memory counters. + * + * This event should be emitted whenever the kernel device driver allocates, + * frees, imports, unimports memory in the GPU addressable space. + * + * @gpu_id: This is the gpu id. + * + * @pid: Put 0 for global total, while positive pid for process total. + * + * @size: Virtual size of the allocation in bytes. + * + */ +TRACE_EVENT(gpu_mem_total, + TP_PROTO( + uint32_t gpu_id, + uint32_t pid, + uint64_t size + ), + TP_ARGS( + gpu_id, + pid, + size + ), + TP_STRUCT__entry( + __field(uint32_t, gpu_id) + __field(uint32_t, pid) + __field(uint64_t, size) + ), + TP_fast_assign( + __entry->gpu_id = gpu_id; + __entry->pid = pid; + __entry->size = size; + ), + TP_printk( + "gpu_id=%u " + "pid=%u " + "size=%llu", + __entry->gpu_id, + __entry->pid, + __entry->size + ) +); + +#endif /* _TRACE_GPU_MEM_H */ + +/* This part must be outside protection */ +#include -- 2.25.0.225.g125e21ebc7-goog