forked from mirrors/linux
852622bf36
This GDB script shows the vmallocinfo for user to analyze the vmalloc memory usage. Example output: 0xffff800008000000-0xffff800008009000 36864 <start_kernel+372> pages=8 vmalloc 0xffff800008009000-0xffff80000800b000 8192 <gicv2m_init_one+400> phys=0x8020000 ioremap 0xffff80000800b000-0xffff80000800d000 8192 <bpf_prog_alloc_no_stats+72> pages=1 vmalloc 0xffff80000800d000-0xffff80000800f000 8192 <bpf_jit_alloc_exec+16> pages=1 vmalloc 0xffff800008010000-0xffff80000ad30000 47316992 <paging_init+452> phys=0x40210000 vmap 0xffff80000ad30000-0xffff80000c1c0000 21561344 <paging_init+556> phys=0x42f30000 vmap 0xffff80000c1c0000-0xffff80000c370000 1769472 <paging_init+592> phys=0x443c0000 vmap 0xffff80000c370000-0xffff80000de90000 28442624 <paging_init+692> phys=0x44570000 vmap 0xffff80000de90000-0xffff80000f4c1000 23269376 <paging_init+788> phys=0x46090000 vmap 0xffff80000f4c1000-0xffff80000f4c3000 8192 <gen_pool_add_owner+112> pages=1 vmalloc 0xffff80000f4c3000-0xffff80000f4c5000 8192 <gen_pool_add_owner+112> pages=1 vmalloc 0xffff80000f4c5000-0xffff80000f4c7000 8192 <gen_pool_add_owner+112> pages=1 vmalloc Link: https://lkml.kernel.org/r/20230808083020.22254-9-Kuan-Ying.Lee@mediatek.com Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: Chinwen Chang <chinwen.chang@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Qun-Wei Lin <qun-wei.lin@mediatek.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
159 lines
4 KiB
Python
159 lines
4 KiB
Python
/*
|
|
* gdb helper commands and functions for Linux kernel debugging
|
|
*
|
|
* Kernel constants derived from include files.
|
|
*
|
|
* Copyright (c) 2016 Linaro Ltd
|
|
*
|
|
* Authors:
|
|
* Kieran Bingham <kieran.bingham@linaro.org>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL version 2.
|
|
*
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/hrtimer.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/mount.h>
|
|
#include <linux/of_fdt.h>
|
|
#include <linux/page_ext.h>
|
|
#include <linux/radix-tree.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/threads.h>
|
|
#include <linux/vmalloc.h>
|
|
|
|
/* We need to stringify expanded macros so that they can be parsed */
|
|
|
|
#define STRING(x) #x
|
|
#define XSTRING(x) STRING(x)
|
|
|
|
#define LX_VALUE(x) LX_##x = x
|
|
#define LX_GDBPARSED(x) LX_##x = gdb.parse_and_eval(XSTRING(x))
|
|
|
|
/*
|
|
* IS_ENABLED generates (a || b) which is not compatible with python
|
|
* We can only switch on configuration items we know are available
|
|
* Therefore - IS_BUILTIN() is more appropriate
|
|
*/
|
|
#define LX_CONFIG(x) LX_##x = IS_BUILTIN(x)
|
|
|
|
/* The build system will take care of deleting everything above this marker */
|
|
<!-- end-c-headers -->
|
|
|
|
import gdb
|
|
|
|
LX_CONFIG(CONFIG_DEBUG_INFO_REDUCED)
|
|
|
|
/* linux/clk-provider.h */
|
|
if IS_BUILTIN(CONFIG_COMMON_CLK):
|
|
LX_GDBPARSED(CLK_GET_RATE_NOCACHE)
|
|
|
|
/* linux/fs.h */
|
|
LX_GDBPARSED(SB_RDONLY)
|
|
LX_GDBPARSED(SB_SYNCHRONOUS)
|
|
LX_GDBPARSED(SB_MANDLOCK)
|
|
LX_GDBPARSED(SB_DIRSYNC)
|
|
LX_GDBPARSED(SB_NOATIME)
|
|
LX_GDBPARSED(SB_NODIRATIME)
|
|
|
|
/* linux/htimer.h */
|
|
LX_GDBPARSED(hrtimer_resolution)
|
|
|
|
/* linux/irq.h */
|
|
LX_GDBPARSED(IRQD_LEVEL)
|
|
LX_GDBPARSED(IRQ_HIDDEN)
|
|
|
|
/* linux/module.h */
|
|
LX_GDBPARSED(MOD_TEXT)
|
|
LX_GDBPARSED(MOD_DATA)
|
|
LX_GDBPARSED(MOD_RODATA)
|
|
LX_GDBPARSED(MOD_RO_AFTER_INIT)
|
|
|
|
/* linux/mount.h */
|
|
LX_VALUE(MNT_NOSUID)
|
|
LX_VALUE(MNT_NODEV)
|
|
LX_VALUE(MNT_NOEXEC)
|
|
LX_VALUE(MNT_NOATIME)
|
|
LX_VALUE(MNT_NODIRATIME)
|
|
LX_VALUE(MNT_RELATIME)
|
|
|
|
/* linux/threads.h */
|
|
LX_VALUE(NR_CPUS)
|
|
|
|
/* linux/of_fdt.h> */
|
|
LX_VALUE(OF_DT_HEADER)
|
|
|
|
/* linux/radix-tree.h */
|
|
LX_GDBPARSED(RADIX_TREE_ENTRY_MASK)
|
|
LX_GDBPARSED(RADIX_TREE_INTERNAL_NODE)
|
|
LX_GDBPARSED(RADIX_TREE_MAP_SIZE)
|
|
LX_GDBPARSED(RADIX_TREE_MAP_SHIFT)
|
|
LX_GDBPARSED(RADIX_TREE_MAP_MASK)
|
|
|
|
/* linux/vmalloc.h */
|
|
LX_VALUE(VM_IOREMAP)
|
|
LX_VALUE(VM_ALLOC)
|
|
LX_VALUE(VM_MAP)
|
|
LX_VALUE(VM_USERMAP)
|
|
LX_VALUE(VM_DMA_COHERENT)
|
|
|
|
/* linux/page_ext.h */
|
|
if IS_BUILTIN(CONFIG_PAGE_OWNER):
|
|
LX_GDBPARSED(PAGE_EXT_OWNER)
|
|
LX_GDBPARSED(PAGE_EXT_OWNER_ALLOCATED)
|
|
|
|
/* linux/slab.h */
|
|
LX_GDBPARSED(SLAB_RED_ZONE)
|
|
LX_GDBPARSED(SLAB_POISON)
|
|
LX_GDBPARSED(SLAB_KMALLOC)
|
|
LX_GDBPARSED(SLAB_HWCACHE_ALIGN)
|
|
LX_GDBPARSED(SLAB_CACHE_DMA)
|
|
LX_GDBPARSED(SLAB_CACHE_DMA32)
|
|
LX_GDBPARSED(SLAB_STORE_USER)
|
|
LX_GDBPARSED(SLAB_PANIC)
|
|
|
|
/* Kernel Configs */
|
|
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
|
|
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
|
|
LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
|
|
LX_CONFIG(CONFIG_NR_CPUS)
|
|
LX_CONFIG(CONFIG_OF)
|
|
LX_CONFIG(CONFIG_TICK_ONESHOT)
|
|
LX_CONFIG(CONFIG_GENERIC_IRQ_SHOW_LEVEL)
|
|
LX_CONFIG(CONFIG_X86_LOCAL_APIC)
|
|
LX_CONFIG(CONFIG_SMP)
|
|
LX_CONFIG(CONFIG_X86_THERMAL_VECTOR)
|
|
LX_CONFIG(CONFIG_X86_MCE_THRESHOLD)
|
|
LX_CONFIG(CONFIG_X86_MCE_AMD)
|
|
LX_CONFIG(CONFIG_X86_MCE)
|
|
LX_CONFIG(CONFIG_X86_IO_APIC)
|
|
LX_CONFIG(CONFIG_HAVE_KVM)
|
|
LX_CONFIG(CONFIG_NUMA)
|
|
LX_CONFIG(CONFIG_ARM64)
|
|
LX_CONFIG(CONFIG_ARM64_4K_PAGES)
|
|
LX_CONFIG(CONFIG_ARM64_16K_PAGES)
|
|
LX_CONFIG(CONFIG_ARM64_64K_PAGES)
|
|
if IS_BUILTIN(CONFIG_ARM64):
|
|
LX_VALUE(CONFIG_ARM64_PA_BITS)
|
|
LX_VALUE(CONFIG_ARM64_VA_BITS)
|
|
LX_VALUE(CONFIG_ARM64_PAGE_SHIFT)
|
|
LX_VALUE(CONFIG_ARCH_FORCE_MAX_ORDER)
|
|
LX_CONFIG(CONFIG_SPARSEMEM)
|
|
LX_CONFIG(CONFIG_SPARSEMEM_EXTREME)
|
|
LX_CONFIG(CONFIG_SPARSEMEM_VMEMMAP)
|
|
LX_CONFIG(CONFIG_KASAN)
|
|
LX_CONFIG(CONFIG_KASAN_GENERIC)
|
|
LX_CONFIG(CONFIG_KASAN_SW_TAGS)
|
|
LX_CONFIG(CONFIG_KASAN_HW_TAGS)
|
|
if IS_BUILTIN(CONFIG_KASAN_GENERIC) or IS_BUILTIN(CONFIG_KASAN_SW_TAGS):
|
|
LX_VALUE(CONFIG_KASAN_SHADOW_OFFSET)
|
|
LX_CONFIG(CONFIG_VMAP_STACK)
|
|
if IS_BUILTIN(CONFIG_NUMA):
|
|
LX_VALUE(CONFIG_NODES_SHIFT)
|
|
LX_CONFIG(CONFIG_DEBUG_VIRTUAL)
|
|
LX_CONFIG(CONFIG_STACKDEPOT)
|
|
LX_CONFIG(CONFIG_PAGE_OWNER)
|
|
LX_CONFIG(CONFIG_SLUB_DEBUG)
|
|
LX_CONFIG(CONFIG_SLAB_FREELIST_HARDENED)
|