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8aacfb1da4
Add some VIDMEM debugging to help track the background free thread and allocs/frees. JIRA NVGPU-30 JIRA NVGPU-138 Change-Id: I88471b29d2a42c104666b111d0d3014110c9d56c Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1576330 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
184 lines
6.6 KiB
C
184 lines
6.6 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NVGPU_DEBUGGING_H__
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#define __NVGPU_DEBUGGING_H__
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#include <nvgpu/types.h>
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#include <nvgpu/bitops.h>
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struct gk20a;
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enum nvgpu_log_type {
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NVGPU_ERROR,
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NVGPU_WARNING,
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NVGPU_DEBUG,
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NVGPU_INFO,
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};
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/*
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* Each OS must implement these functions. They handle the OS specific nuances
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* of printing data to a UART, log, whatever.
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*/
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__attribute__((format (printf, 5, 6)))
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void __nvgpu_log_msg(struct gk20a *g, const char *func_name, int line,
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enum nvgpu_log_type type, const char *fmt, ...);
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__attribute__((format (printf, 5, 6)))
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void __nvgpu_log_dbg(struct gk20a *g, u32 log_mask,
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const char *func_name, int line,
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const char *fmt, ...);
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/*
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* Use this define to set a default mask.
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*/
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#define NVGPU_DEFAULT_DBG_MASK (0)
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enum nvgpu_log_categories {
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gpu_dbg_info = BIT(0), /* Lightly verbose info. */
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gpu_dbg_fn = BIT(1), /* Function name tracing. */
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gpu_dbg_reg = BIT(2), /* Register accesses; very verbose. */
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gpu_dbg_pte = BIT(3), /* GMMU PTEs. */
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gpu_dbg_intr = BIT(4), /* Interrupts. */
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gpu_dbg_pmu = BIT(5), /* gk20a pmu. */
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gpu_dbg_clk = BIT(6), /* gk20a clk. */
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gpu_dbg_map = BIT(7), /* Memory mappings. */
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gpu_dbg_map_v = BIT(8), /* Verbose mem mappings. */
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gpu_dbg_gpu_dbg = BIT(9), /* GPU debugger/profiler. */
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gpu_dbg_cde = BIT(10), /* cde info messages. */
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gpu_dbg_cde_ctx = BIT(11), /* cde context usage messages. */
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gpu_dbg_ctxsw = BIT(12), /* ctxsw tracing. */
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gpu_dbg_sched = BIT(13), /* Sched control tracing. */
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gpu_dbg_sema = BIT(14), /* Semaphore debugging. */
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gpu_dbg_sema_v = BIT(15), /* Verbose semaphore debugging. */
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gpu_dbg_pmu_pstate = BIT(16), /* p state controlled by pmu. */
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gpu_dbg_xv = BIT(17), /* XVE debugging. */
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gpu_dbg_shutdown = BIT(18), /* GPU shutdown tracing. */
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gpu_dbg_kmem = BIT(19), /* Kmem tracking debugging. */
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gpu_dbg_pd_cache = BIT(20), /* PD cache traces. */
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gpu_dbg_alloc = BIT(21), /* Allocator debugging. */
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gpu_dbg_dma = BIT(22), /* DMA allocation prints. */
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gpu_dbg_sgl = BIT(23), /* SGL related traces. */
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gpu_dbg_vidmem = BIT(24), /* VIDMEM tracing. */
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gpu_dbg_mem = BIT(31), /* memory accesses; very verbose. */
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};
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/**
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* nvgpu_log_mask_enabled - Check if logging is enabled
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*
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* @g - The GPU.
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* @log_mask - The mask the check against.
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*
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* Check if, given the passed mask, logging would actually happen. This is
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* useful for avoiding calling the logging function many times when we know that
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* said prints would not happen. For example for-loops of log statements in
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* critical paths.
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*/
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int nvgpu_log_mask_enabled(struct gk20a *g, u32 log_mask);
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/**
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* nvgpu_log - Print a debug message
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*
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* @g - The GPU.
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* @log_mask - A mask defining when the print should happen. See enum
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* %nvgpu_log_categories.
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* @fmt - A format string (printf style).
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* @arg... - Arguments for the format string.
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*
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* Print a message if the log_mask matches the enabled debugging.
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*/
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#define nvgpu_log(g, log_mask, fmt, arg...) \
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__nvgpu_log_dbg(g, log_mask, __func__, __LINE__, fmt, ##arg)
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/**
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* nvgpu_err - Print an error
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*
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* @g - The GPU.
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* @fmt - A format string (printf style).
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* @arg... - Arguments for the format string.
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*
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* Uncondtionally print an error message.
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*/
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#define nvgpu_err(g, fmt, arg...) \
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__nvgpu_log_msg(g, __func__, __LINE__, NVGPU_ERROR, fmt, ##arg)
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/**
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* nvgpu_err - Print a warning
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*
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* @g - The GPU.
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* @fmt - A format string (printf style).
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* @arg... - Arguments for the format string.
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*
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* Uncondtionally print a warming message.
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*/
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#define nvgpu_warn(g, fmt, arg...) \
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__nvgpu_log_msg(g, __func__, __LINE__, NVGPU_WARNING, fmt, ##arg)
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/**
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* nvgpu_info - Print an info message
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*
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* @g - The GPU.
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* @fmt - A format string (printf style).
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* @arg... - Arguments for the format string.
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*
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* Unconditionally print an information message.
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*/
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#define nvgpu_info(g, fmt, arg...) \
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__nvgpu_log_msg(g, __func__, __LINE__, NVGPU_INFO, fmt, ##arg)
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/*
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* Some convenience macros.
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*/
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#define nvgpu_log_fn(g, fmt, arg...) nvgpu_log(g, gpu_dbg_fn, fmt, ##arg)
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#define nvgpu_log_info(g, fmt, arg...) nvgpu_log(g, gpu_dbg_info, fmt, ##arg)
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/******************************************************************************
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* The old legacy debugging API minus some parts that are unnecessary. *
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* Please, please, please do not use this!!! This is still around to aid *
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* transitioning to the new API. *
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* *
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* This changes up the print formats to be closer to the new APIs formats. *
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* Also it removes the dev_warn() and dev_err() usage. Those arguments are *
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* ignored now. *
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******************************************************************************/
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/*
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* This exist for backwards compatibility with the old debug/logging API. If you
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* want ftrace support use the new API!
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*/
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extern u32 nvgpu_dbg_mask;
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#define gk20a_dbg(log_mask, fmt, arg...) \
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do { \
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if (((log_mask) & nvgpu_dbg_mask) != 0) \
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__nvgpu_log_msg(NULL, __func__, __LINE__, \
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NVGPU_DEBUG, fmt "\n", ##arg); \
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} while (0)
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/*
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* Some convenience macros.
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*/
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#define gk20a_dbg_fn(fmt, arg...) gk20a_dbg(gpu_dbg_fn, fmt, ##arg)
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#define gk20a_dbg_info(fmt, arg...) gk20a_dbg(gpu_dbg_info, fmt, ##arg)
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#endif
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