mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity
linux-stable/scripts/gdb/linux/constants.py.in

162 lines
4.1 KiB
Python
Raw Normal View History

scripts/gdb: provide linux constants Some macro's and defines are needed when parsing memory, and without compiling the kernel as -g3 they are not available in the debug-symbols. We use the pre-processor here to extract constants to a dedicated module for the linux debugger extensions Top level Kbuild is used to call in and generate the constants file, while maintaining dependencies on autogenerated files in include/generated Link: http://lkml.kernel.org/r/bc3df9c25f57ea72177c066a51a446fc19e2c27f.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:40 +00:00
/*
* 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.
*
*/
scripts/gdb: print cached rate in lx-clk-summary The clk rate is always stored in clk_core but might be out of date and require calls to update from hardware. Deal with that case by printing a (c) suffix. Link: http://lkml.kernel.org/r/1a474318982a5f0125f2360c4161029b17f56bd1.1556881728.git.leonard.crestez@nxp.com Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:46:17 +00:00
#include <linux/clk-provider.h>
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
#include <linux/fs.h>
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
#include <linux/hrtimer.h>
scripts/gdb: print interrupts This GDB script prints the interrupts in the system in the same way that /proc/interrupts does. This does include the architecture specific part done by arch_show_interrupts() for x86, ARM, ARM64 and MIPS. Example output from an ARM64 system: (gdb) lx-interruptlist CPU0 CPU1 CPU2 CPU3 10: 3167 1225 1276 2629 GICv2 30 Level arch_timer 13: 0 0 0 0 GICv2 36 Level arm-pmu 14: 0 0 0 0 GICv2 37 Level arm-pmu 15: 0 0 0 0 GICv2 38 Level arm-pmu 16: 0 0 0 0 GICv2 39 Level arm-pmu 28: 0 0 0 0 interrupt-controller@8410640 5 Edge brcmstb-gpio-wake 30: 125 0 0 0 GICv2 128 Level ttyS0 31: 0 0 0 0 interrupt-controller@8416000 0 Level mspi_done 32: 0 0 0 0 interrupt-controller@8410640 3 Edge brcmstb-waketimer 33: 0 0 0 0 interrupt-controller@8418580 8 Edge brcmstb-waketimer-rtc 34: 872 0 0 0 GICv2 230 Level brcm_scmi@0 35: 0 0 0 0 interrupt-controller@8410640 10 Edge 8d0f200.usb-phy 37: 0 0 0 0 GICv2 97 Level PCIe PME 42: 0 0 0 0 GICv2 145 Level xhci-hcd:usb1 43: 94 0 0 0 GICv2 71 Level mmc1 44: 0 0 0 0 GICv2 70 Level mmc0 IPI0: 23 666 154 98 Rescheduling interrupts IPI1: 247 1053 1701 634 Function call interrupts IPI2: 0 0 0 0 CPU stop interrupts IPI3: 0 0 0 0 CPU stop (for crash dump) interrupts IPI4: 0 0 0 0 Timer broadcast interrupts IPI5: 7 9 5 0 IRQ work interrupts IPI6: 0 0 0 0 CPU wake-up interrupts ERR: 0 Link: https://lkml.kernel.org/r/20230406220451.1583239-1-f.fainelli@gmail.com Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-06 22:04:51 +00:00
#include <linux/irq.h>
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
#include <linux/mount.h>
scripts/gdb: add lx-fdtdump command lx-fdtdump dumps the flattened device tree passed to the kernel from the bootloader to the filename specified as the command argument. If no argument is provided it defaults to fdtdump.dtb. This then allows further post processing on the machine running GDB. The fdt header is also also printed in the GDB console. For example: (gdb) lx-fdtdump fdt_magic: 0xD00DFEED fdt_totalsize: 0xC108 off_dt_struct: 0x38 off_dt_strings: 0x3804 off_mem_rsvmap: 0x28 version: 17 last_comp_version: 16 Dumped fdt to fdtdump.dtb >fdtdump fdtdump.dtb | less This command is useful as the bootloader can often re-write parts of the device tree, and this can sometimes cause the kernel to not boot. Link: http://lkml.kernel.org/r/1481280065-5336-2-git-send-email-kbingham@kernel.org Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Kieran Bingham <kbingham@kernel.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 21:34:13 +00:00
#include <linux/of_fdt.h>
scripts/gdb/page_owner: add page owner support This GDB script prints page owner information for user to analyze the memory usage or memory corruption issue. Example output from an aarch64 system: (gdb) lx-dump-page-owner --pfn 655360 page_owner tracks the page as allocated Page last allocated via order 0, gfp_mask: 0x8, pid: 1, tgid: 1 ("swapper/0\000\000\000\000\000\000"), ts 1295948880 ns, free_ts 1011852016 ns PFN: 655360, Flags: 0x3fffc0000000000 0xffff8000086ab964 <post_alloc_hook+452>: ldp x19, x20, [sp, #16] 0xffff80000862e4e0 <split_map_pages+344>: cbnz w22, 0xffff80000862e57c <split_map_pages+500> 0xffff8000086370c4 <isolate_freepages_range+556>: mov x0, x27 0xffff8000086bc1cc <alloc_contig_range+808>: mov x24, x0 0xffff80000877d6d8 <cma_alloc+772>: mov w1, w0 0xffff8000082c8d18 <dma_alloc_from_contiguous+104>: ldr x19, [sp, #16] 0xffff8000082ce0e8 <atomic_pool_expand+208>: mov x19, x0 0xffff80000c1e41b4 <__dma_atomic_pool_init+172>: Cannot access memory at address 0xffff80000c1e41b4 0xffff80000c1e4298 <dma_atomic_pool_init+92>: Cannot access memory at address 0xffff80000c1e4298 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 page last free stack trace: 0xffff8000086a6e8c <free_unref_page_prepare+796>: mov w2, w23 0xffff8000086aee1c <free_unref_page+96>: tst w0, #0xff 0xffff8000086af3f8 <__free_pages+292>: ldp x19, x20, [sp, #16] 0xffff80000c1f3214 <init_cma_reserved_pageblock+220>: Cannot access memory at address 0xffff80000c1f3214 0xffff80000c20363c <cma_init_reserved_areas+1284>: Cannot access memory at address 0xffff80000c20363c 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 Link: https://lkml.kernel.org/r/20230808083020.22254-7-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>
2023-08-08 08:30:16 +00:00
#include <linux/page_ext.h>
scripts/gdb: add a Radix Tree Parser Linux makes use of the Radix Tree data structure to store pointers indexed by integer values. This structure is utilised across many structures in the kernel including the IRQ descriptor tables, and several filesystems. This module provides a method to lookup values from a structure given its head node. Usage: The function lx_radix_tree_lookup, must be given a symbol of type struct radix_tree_root, and an index into that tree. The object returned is a generic integer value, and must be cast correctly to the type based on the storage in the data structure. For example, to print the irq descriptor in the sparse irq_desc_tree at index 18, try the following: (gdb) print (struct irq_desc)$lx_radix_tree_lookup(irq_desc_tree, 18) This script previously existed under commit e127a73d41ac471d7e3ba950cf128f42d6ee3448 ("scripts/gdb: add a Radix Tree Parser") and was later reverted with b447e02548a3304c47b78b5e2d75a4312a8f17e1i (Revert "scripts/gdb: add a Radix Tree Parser"). This version expects the XArray based radix tree implementation and has been verified using QEMU/x86 on Linux 6.3-rc5. [f.fainelli@gmail.com: revive and update for xarray implementation] [f.fainelli@gmail.com: guard against a NULL node in the while loop] Link: https://lkml.kernel.org/r/20230405222743.1191674-1-f.fainelli@gmail.com Link: https://lkml.kernel.org/r/20230404214049.1016811-1-f.fainelli@gmail.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-04 21:40:49 +00:00
#include <linux/radix-tree.h>
scripts/gdb/slab: add slab support Add 'lx-slabinfo' and 'lx-slabtrace' support. This GDB scripts print slabinfo and slabtrace for user to analyze slab memory usage. Example output like below: (gdb) lx-slabinfo Pointer | name | active_objs | num_objs | objsize | objperslab | pagesperslab ------------------ | -------------------- | ------------ | ------------ | -------- | ----------- | ------------- 0xffff0000c59df480 | p9_req_t | 0 | 0 | 280 | 29 | 2 0xffff0000c59df280 | isp1760_qh | 0 | 0 | 160 | 25 | 1 0xffff0000c59df080 | isp1760_qtd | 0 | 0 | 184 | 22 | 1 0xffff0000c59dee80 | isp1760_urb_listite | 0 | 0 | 136 | 30 | 1 0xffff0000c59dec80 | asd_sas_event | 0 | 0 | 256 | 32 | 2 0xffff0000c59dea80 | sas_task | 0 | 0 | 448 | 36 | 4 0xffff0000c59de880 | bio-120 | 18 | 21 | 384 | 21 | 2 0xffff0000c59de680 | io_kiocb | 0 | 0 | 448 | 36 | 4 0xffff0000c59de480 | bfq_io_cq | 0 | 0 | 1504 | 21 | 8 0xffff0000c59de280 | bfq_queue | 0 | 0 | 720 | 22 | 4 0xffff0000c59de080 | mqueue_inode_cache | 1 | 28 | 1152 | 28 | 8 0xffff0000c59dde80 | v9fs_inode_cache | 0 | 0 | 832 | 39 | 8 ... (gdb) lx-slabtrace --cache_name kmalloc-1k 63 <tty_register_device_attr+508> waste=16632/264 age=46856/46871/46888 pid=1 cpus=6, 0xffff800008720240 <__kmem_cache_alloc_node+236>: mov x22, x0 0xffff80000862a4fc <kmalloc_trace+64>: mov x21, x0 0xffff8000095d086c <tty_register_device_attr+508>: mov x19, x0 0xffff8000095d0f98 <tty_register_driver+704>: cmn x0, #0x1, lsl #12 0xffff80000c2677e8 <vty_init+620>: Cannot access memory at address 0xffff80000c2677e8 0xffff80000c265a10 <tty_init+276>: Cannot access memory at address 0xffff80000c265a10 0xffff80000c26d3c4 <chr_dev_init+204>: Cannot access memory at address 0xffff80000c26d3c4 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b58 <kernel_init_freeable+956>: Cannot access memory at address 0xffff80000c1c1b58 0xffff80000acf1334 <kernel_init+36>: bl 0xffff8000081ac040 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 (gdb) lx-slabtrace --cache_name kmalloc-1k --free 428 <not-available> age=4294958600 pid=0 cpus=0, Link: https://lkml.kernel.org/r/20230808083020.22254-8-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>
2023-08-08 08:30:17 +00:00
#include <linux/slab.h>
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
#include <linux/threads.h>
scripts/gdb/vmalloc: add vmallocinfo support 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>
2023-08-08 08:30:18 +00:00
#include <linux/vmalloc.h>
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
scripts/gdb: provide linux constants Some macro's and defines are needed when parsing memory, and without compiling the kernel as -g3 they are not available in the debug-symbols. We use the pre-processor here to extract constants to a dedicated module for the linux debugger extensions Top level Kbuild is used to call in and generate the constants file, while maintaining dependencies on autogenerated files in include/generated Link: http://lkml.kernel.org/r/bc3df9c25f57ea72177c066a51a446fc19e2c27f.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:40 +00:00
/* We need to stringify expanded macros so that they can be parsed */
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
scripts/gdb: provide linux constants Some macro's and defines are needed when parsing memory, and without compiling the kernel as -g3 they are not available in the debug-symbols. We use the pre-processor here to extract constants to a dedicated module for the linux debugger extensions Top level Kbuild is used to call in and generate the constants file, while maintaining dependencies on autogenerated files in include/generated Link: http://lkml.kernel.org/r/bc3df9c25f57ea72177c066a51a446fc19e2c27f.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:40 +00:00
#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
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
scripts/gdb: raise error with reduced debugging information If CONFIG_DEBUG_INFO_REDUCED is enabled in the kernel configuration, we will typically not be able to load vmlinux-gdb.py and will fail with: Traceback (most recent call last): File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/vmlinux-gdb.py", line 25, in <module> import linux.utils File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/scripts/gdb/linux/utils.py", line 131, in <module> atomic_long_counter_offset = atomic_long_type.get_type()['counter'].bitpos KeyError: 'counter' Rather be left wondering what is happening only to find out that reduced debug information is the cause, raise an eror. This was not typically a problem until e3c8d33e0d62 ("scripts/gdb: fix 'lx-dmesg' on 32 bits arch") but it has since then. Link: https://lkml.kernel.org/r/20230406215252.1580538-1-f.fainelli@gmail.com Fixes: e3c8d33e0d62 ("scripts/gdb: fix 'lx-dmesg' on 32 bits arch") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Antonio Borneo <antonio.borneo@foss.st.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: John Ogness <john.ogness@linutronix.de> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Petr Mladek <pmladek@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-06 21:52:51 +00:00
LX_CONFIG(CONFIG_DEBUG_INFO_REDUCED)
scripts/gdb: print cached rate in lx-clk-summary The clk rate is always stored in clk_core but might be out of date and require calls to update from hardware. Deal with that case by printing a (c) suffix. Link: http://lkml.kernel.org/r/1a474318982a5f0125f2360c4161029b17f56bd1.1556881728.git.leonard.crestez@nxp.com Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:46:17 +00:00
/* linux/clk-provider.h */
scripts/gdb: fix invocation when CONFIG_COMMON_CLK is not set CLK_GET_RATE_NOCACHE depends on CONFIG_COMMON_CLK. Importing constants.py when CONFIG_COMMON_CLK is not defined causes: (gdb) lx-symbols (...) File "scripts/gdb/linux/proc.py", line 15, in <module> from linux import constants File "scripts/gdb/linux/constants.py", line 2, in <module> LX_CLK_GET_RATE_NOCACHE = gdb.parse_and_eval("CLK_GET_RATE_NOCACHE") gdb.error: No symbol "CLK_GET_RATE_NOCACHE" in current context. Link: http://lkml.kernel.org/r/20190523195313.24701-1-farosas@linux.ibm.com Fixes: e7e6f462c1be ("scripts/gdb: print cached rate in lx-clk-summary") Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Leonard Crestez <leonard.crestez@nxp.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-06-01 05:30:36 +00:00
if IS_BUILTIN(CONFIG_COMMON_CLK):
LX_GDBPARSED(CLK_GET_RATE_NOCACHE)
scripts/gdb: print cached rate in lx-clk-summary The clk rate is always stored in clk_core but might be out of date and require calls to update from hardware. Deal with that case by printing a (c) suffix. Link: http://lkml.kernel.org/r/1a474318982a5f0125f2360c4161029b17f56bd1.1556881728.git.leonard.crestez@nxp.com Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:46:17 +00:00
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
/* linux/fs.h */
scripts/gdb: fix SB_* constants parsing --0000000000009a0c9905fd9173ad Content-Transfer-Encoding: 8bit After f15afbd34d8f ("fs: fix undefined behavior in bit shift for SB_NOUSER") the constants were changed from plain integers which LX_VALUE() can parse to constants using the BIT() macro which causes the following: Reading symbols from build/linux-custom/vmlinux...done. Traceback (most recent call last): File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/vmlinux-gdb.py", line 25, in <module> import linux.constants File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/scripts/gdb/linux/constants.py", line 5 LX_SB_RDONLY = ((((1UL))) << (0)) Use LX_GDBPARSED() which does not suffer from that issue. f15afbd34d8f ("fs: fix undefined behavior in bit shift for SB_NOUSER") Link: https://lkml.kernel.org/r/20230607221337.2781730-1-florian.fainelli@broadcom.com Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Acked-by: Christian Brauner <brauner@kernel.org> Cc: Hao Ge <gehao@kylinos.cn> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-06-07 22:13:35 +00:00
LX_GDBPARSED(SB_RDONLY)
LX_GDBPARSED(SB_SYNCHRONOUS)
LX_GDBPARSED(SB_MANDLOCK)
LX_GDBPARSED(SB_DIRSYNC)
LX_GDBPARSED(SB_NOATIME)
LX_GDBPARSED(SB_NODIRATIME)
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
/* linux/htimer.h */
LX_GDBPARSED(hrtimer_resolution)
scripts/gdb: print interrupts This GDB script prints the interrupts in the system in the same way that /proc/interrupts does. This does include the architecture specific part done by arch_show_interrupts() for x86, ARM, ARM64 and MIPS. Example output from an ARM64 system: (gdb) lx-interruptlist CPU0 CPU1 CPU2 CPU3 10: 3167 1225 1276 2629 GICv2 30 Level arch_timer 13: 0 0 0 0 GICv2 36 Level arm-pmu 14: 0 0 0 0 GICv2 37 Level arm-pmu 15: 0 0 0 0 GICv2 38 Level arm-pmu 16: 0 0 0 0 GICv2 39 Level arm-pmu 28: 0 0 0 0 interrupt-controller@8410640 5 Edge brcmstb-gpio-wake 30: 125 0 0 0 GICv2 128 Level ttyS0 31: 0 0 0 0 interrupt-controller@8416000 0 Level mspi_done 32: 0 0 0 0 interrupt-controller@8410640 3 Edge brcmstb-waketimer 33: 0 0 0 0 interrupt-controller@8418580 8 Edge brcmstb-waketimer-rtc 34: 872 0 0 0 GICv2 230 Level brcm_scmi@0 35: 0 0 0 0 interrupt-controller@8410640 10 Edge 8d0f200.usb-phy 37: 0 0 0 0 GICv2 97 Level PCIe PME 42: 0 0 0 0 GICv2 145 Level xhci-hcd:usb1 43: 94 0 0 0 GICv2 71 Level mmc1 44: 0 0 0 0 GICv2 70 Level mmc0 IPI0: 23 666 154 98 Rescheduling interrupts IPI1: 247 1053 1701 634 Function call interrupts IPI2: 0 0 0 0 CPU stop interrupts IPI3: 0 0 0 0 CPU stop (for crash dump) interrupts IPI4: 0 0 0 0 Timer broadcast interrupts IPI5: 7 9 5 0 IRQ work interrupts IPI6: 0 0 0 0 CPU wake-up interrupts ERR: 0 Link: https://lkml.kernel.org/r/20230406220451.1583239-1-f.fainelli@gmail.com Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-06 22:04:51 +00:00
/* linux/irq.h */
LX_GDBPARSED(IRQD_LEVEL)
LX_GDBPARSED(IRQ_HIDDEN)
scripts/gdb: use mem instead of core_layout to get the module address commit ac3b43283923 ("module: replace module_layout with module_memory") changed the struct module data structure from module_layout to module_memory. The core_layout member which is used while loading modules are not available anymore leading to the following error while running gdb: (gdb) lx-symbols loading vmlinux Python Exception <class 'gdb.error'>: There is no member named core_layout. Error occurred in Python: There is no member named core_layout. Replace core_layout with its new counterpart mem[MOD_TEXT]. Fixes: ac3b43283923 ("module: replace module_layout with module_memory") Signed-off-by: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2023-04-13 21:00:55 +00:00
/* linux/module.h */
scripts/gdb: fix usage of MOD_TEXT not defined when CONFIG_MODULES=n MOD_TEXT is only defined if CONFIG_MODULES=y which lead to loading failure of the gdb scripts when kernel is built without CONFIG_MODULES=y: Reading symbols from vmlinux... Traceback (most recent call last): File "/foo/vmlinux-gdb.py", line 25, in <module> import linux.constants File "/foo/scripts/gdb/linux/constants.py", line 14, in <module> LX_MOD_TEXT = gdb.parse_and_eval("MOD_TEXT") ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ gdb.error: No symbol "MOD_TEXT" in current context. Add a conditional check on CONFIG_MODULES to fix this error. Link: https://lkml.kernel.org/r/20231031134848.119391-1-da.gomez@samsung.com Fixes: b4aff7513df3 ("scripts/gdb: use mem instead of core_layout to get the module address") Signed-off-by: Clément Léger <cleger@rivosinc.com> Tested-by: Daniel Gomez <da.gomez@samsung.com> Signed-off-by: Daniel Gomez <da.gomez@samsung.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-10-31 13:49:04 +00:00
if IS_BUILTIN(CONFIG_MODULES):
LX_GDBPARSED(MOD_TEXT)
LX_GDBPARSED(MOD_DATA)
LX_GDBPARSED(MOD_RODATA)
LX_GDBPARSED(MOD_RO_AFTER_INIT)
scripts/gdb: use mem instead of core_layout to get the module address commit ac3b43283923 ("module: replace module_layout with module_memory") changed the struct module data structure from module_layout to module_memory. The core_layout member which is used while loading modules are not available anymore leading to the following error while running gdb: (gdb) lx-symbols loading vmlinux Python Exception <class 'gdb.error'>: There is no member named core_layout. Error occurred in Python: There is no member named core_layout. Replace core_layout with its new counterpart mem[MOD_TEXT]. Fixes: ac3b43283923 ("module: replace module_layout with module_memory") Signed-off-by: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2023-04-13 21:00:55 +00:00
scripts/gdb: add mount point list command lx-mounts will identify current mount points based on the 'init_task' namespace by default, as we do not yet have a kernel thread list implementation to select the current running thread. Optionally, a user can specify a PID to list from that process' namespace Link: http://lkml.kernel.org/r/e614c7bc32d2350b4ff1627ec761a7148e65bfe6.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 23:24:59 +00:00
/* 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)
scripts/gdb: add lx-fdtdump command lx-fdtdump dumps the flattened device tree passed to the kernel from the bootloader to the filename specified as the command argument. If no argument is provided it defaults to fdtdump.dtb. This then allows further post processing on the machine running GDB. The fdt header is also also printed in the GDB console. For example: (gdb) lx-fdtdump fdt_magic: 0xD00DFEED fdt_totalsize: 0xC108 off_dt_struct: 0x38 off_dt_strings: 0x3804 off_mem_rsvmap: 0x28 version: 17 last_comp_version: 16 Dumped fdt to fdtdump.dtb >fdtdump fdtdump.dtb | less This command is useful as the bootloader can often re-write parts of the device tree, and this can sometimes cause the kernel to not boot. Link: http://lkml.kernel.org/r/1481280065-5336-2-git-send-email-kbingham@kernel.org Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Kieran Bingham <kbingham@kernel.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 21:34:13 +00:00
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
/* linux/threads.h */
LX_VALUE(NR_CPUS)
scripts/gdb: add lx-fdtdump command lx-fdtdump dumps the flattened device tree passed to the kernel from the bootloader to the filename specified as the command argument. If no argument is provided it defaults to fdtdump.dtb. This then allows further post processing on the machine running GDB. The fdt header is also also printed in the GDB console. For example: (gdb) lx-fdtdump fdt_magic: 0xD00DFEED fdt_totalsize: 0xC108 off_dt_struct: 0x38 off_dt_strings: 0x3804 off_mem_rsvmap: 0x28 version: 17 last_comp_version: 16 Dumped fdt to fdtdump.dtb >fdtdump fdtdump.dtb | less This command is useful as the bootloader can often re-write parts of the device tree, and this can sometimes cause the kernel to not boot. Link: http://lkml.kernel.org/r/1481280065-5336-2-git-send-email-kbingham@kernel.org Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Kieran Bingham <kbingham@kernel.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 21:34:13 +00:00
/* linux/of_fdt.h> */
LX_VALUE(OF_DT_HEADER)
scripts/gdb: add a Radix Tree Parser Linux makes use of the Radix Tree data structure to store pointers indexed by integer values. This structure is utilised across many structures in the kernel including the IRQ descriptor tables, and several filesystems. This module provides a method to lookup values from a structure given its head node. Usage: The function lx_radix_tree_lookup, must be given a symbol of type struct radix_tree_root, and an index into that tree. The object returned is a generic integer value, and must be cast correctly to the type based on the storage in the data structure. For example, to print the irq descriptor in the sparse irq_desc_tree at index 18, try the following: (gdb) print (struct irq_desc)$lx_radix_tree_lookup(irq_desc_tree, 18) This script previously existed under commit e127a73d41ac471d7e3ba950cf128f42d6ee3448 ("scripts/gdb: add a Radix Tree Parser") and was later reverted with b447e02548a3304c47b78b5e2d75a4312a8f17e1i (Revert "scripts/gdb: add a Radix Tree Parser"). This version expects the XArray based radix tree implementation and has been verified using QEMU/x86 on Linux 6.3-rc5. [f.fainelli@gmail.com: revive and update for xarray implementation] [f.fainelli@gmail.com: guard against a NULL node in the while loop] Link: https://lkml.kernel.org/r/20230405222743.1191674-1-f.fainelli@gmail.com Link: https://lkml.kernel.org/r/20230404214049.1016811-1-f.fainelli@gmail.com Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-04 21:40:49 +00:00
/* 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)
scripts/gdb/vmalloc: add vmallocinfo support 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>
2023-08-08 08:30:18 +00:00
/* linux/vmalloc.h */
LX_VALUE(VM_IOREMAP)
LX_VALUE(VM_ALLOC)
LX_VALUE(VM_MAP)
LX_VALUE(VM_USERMAP)
LX_VALUE(VM_DMA_COHERENT)
scripts/gdb/page_owner: add page owner support This GDB script prints page owner information for user to analyze the memory usage or memory corruption issue. Example output from an aarch64 system: (gdb) lx-dump-page-owner --pfn 655360 page_owner tracks the page as allocated Page last allocated via order 0, gfp_mask: 0x8, pid: 1, tgid: 1 ("swapper/0\000\000\000\000\000\000"), ts 1295948880 ns, free_ts 1011852016 ns PFN: 655360, Flags: 0x3fffc0000000000 0xffff8000086ab964 <post_alloc_hook+452>: ldp x19, x20, [sp, #16] 0xffff80000862e4e0 <split_map_pages+344>: cbnz w22, 0xffff80000862e57c <split_map_pages+500> 0xffff8000086370c4 <isolate_freepages_range+556>: mov x0, x27 0xffff8000086bc1cc <alloc_contig_range+808>: mov x24, x0 0xffff80000877d6d8 <cma_alloc+772>: mov w1, w0 0xffff8000082c8d18 <dma_alloc_from_contiguous+104>: ldr x19, [sp, #16] 0xffff8000082ce0e8 <atomic_pool_expand+208>: mov x19, x0 0xffff80000c1e41b4 <__dma_atomic_pool_init+172>: Cannot access memory at address 0xffff80000c1e41b4 0xffff80000c1e4298 <dma_atomic_pool_init+92>: Cannot access memory at address 0xffff80000c1e4298 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 page last free stack trace: 0xffff8000086a6e8c <free_unref_page_prepare+796>: mov w2, w23 0xffff8000086aee1c <free_unref_page+96>: tst w0, #0xff 0xffff8000086af3f8 <__free_pages+292>: ldp x19, x20, [sp, #16] 0xffff80000c1f3214 <init_cma_reserved_pageblock+220>: Cannot access memory at address 0xffff80000c1f3214 0xffff80000c20363c <cma_init_reserved_areas+1284>: Cannot access memory at address 0xffff80000c20363c 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 Link: https://lkml.kernel.org/r/20230808083020.22254-7-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>
2023-08-08 08:30:16 +00:00
/* linux/page_ext.h */
if IS_BUILTIN(CONFIG_PAGE_OWNER):
LX_GDBPARSED(PAGE_EXT_OWNER)
LX_GDBPARSED(PAGE_EXT_OWNER_ALLOCATED)
scripts/gdb/slab: add slab support Add 'lx-slabinfo' and 'lx-slabtrace' support. This GDB scripts print slabinfo and slabtrace for user to analyze slab memory usage. Example output like below: (gdb) lx-slabinfo Pointer | name | active_objs | num_objs | objsize | objperslab | pagesperslab ------------------ | -------------------- | ------------ | ------------ | -------- | ----------- | ------------- 0xffff0000c59df480 | p9_req_t | 0 | 0 | 280 | 29 | 2 0xffff0000c59df280 | isp1760_qh | 0 | 0 | 160 | 25 | 1 0xffff0000c59df080 | isp1760_qtd | 0 | 0 | 184 | 22 | 1 0xffff0000c59dee80 | isp1760_urb_listite | 0 | 0 | 136 | 30 | 1 0xffff0000c59dec80 | asd_sas_event | 0 | 0 | 256 | 32 | 2 0xffff0000c59dea80 | sas_task | 0 | 0 | 448 | 36 | 4 0xffff0000c59de880 | bio-120 | 18 | 21 | 384 | 21 | 2 0xffff0000c59de680 | io_kiocb | 0 | 0 | 448 | 36 | 4 0xffff0000c59de480 | bfq_io_cq | 0 | 0 | 1504 | 21 | 8 0xffff0000c59de280 | bfq_queue | 0 | 0 | 720 | 22 | 4 0xffff0000c59de080 | mqueue_inode_cache | 1 | 28 | 1152 | 28 | 8 0xffff0000c59dde80 | v9fs_inode_cache | 0 | 0 | 832 | 39 | 8 ... (gdb) lx-slabtrace --cache_name kmalloc-1k 63 <tty_register_device_attr+508> waste=16632/264 age=46856/46871/46888 pid=1 cpus=6, 0xffff800008720240 <__kmem_cache_alloc_node+236>: mov x22, x0 0xffff80000862a4fc <kmalloc_trace+64>: mov x21, x0 0xffff8000095d086c <tty_register_device_attr+508>: mov x19, x0 0xffff8000095d0f98 <tty_register_driver+704>: cmn x0, #0x1, lsl #12 0xffff80000c2677e8 <vty_init+620>: Cannot access memory at address 0xffff80000c2677e8 0xffff80000c265a10 <tty_init+276>: Cannot access memory at address 0xffff80000c265a10 0xffff80000c26d3c4 <chr_dev_init+204>: Cannot access memory at address 0xffff80000c26d3c4 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b58 <kernel_init_freeable+956>: Cannot access memory at address 0xffff80000c1c1b58 0xffff80000acf1334 <kernel_init+36>: bl 0xffff8000081ac040 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 (gdb) lx-slabtrace --cache_name kmalloc-1k --free 428 <not-available> age=4294958600 pid=0 cpus=0, Link: https://lkml.kernel.org/r/20230808083020.22254-8-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>
2023-08-08 08:30:17 +00:00
/* 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)
scripts/gdb: add lx-fdtdump command lx-fdtdump dumps the flattened device tree passed to the kernel from the bootloader to the filename specified as the command argument. If no argument is provided it defaults to fdtdump.dtb. This then allows further post processing on the machine running GDB. The fdt header is also also printed in the GDB console. For example: (gdb) lx-fdtdump fdt_magic: 0xD00DFEED fdt_totalsize: 0xC108 off_dt_struct: 0x38 off_dt_strings: 0x3804 off_mem_rsvmap: 0x28 version: 17 last_comp_version: 16 Dumped fdt to fdtdump.dtb >fdtdump fdtdump.dtb | less This command is useful as the bootloader can often re-write parts of the device tree, and this can sometimes cause the kernel to not boot. Link: http://lkml.kernel.org/r/1481280065-5336-2-git-send-email-kbingham@kernel.org Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Kieran Bingham <kbingham@kernel.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 21:34:13 +00:00
/* Kernel Configs */
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
LX_CONFIG(CONFIG_NR_CPUS)
scripts/gdb: add lx-fdtdump command lx-fdtdump dumps the flattened device tree passed to the kernel from the bootloader to the filename specified as the command argument. If no argument is provided it defaults to fdtdump.dtb. This then allows further post processing on the machine running GDB. The fdt header is also also printed in the GDB console. For example: (gdb) lx-fdtdump fdt_magic: 0xD00DFEED fdt_totalsize: 0xC108 off_dt_struct: 0x38 off_dt_strings: 0x3804 off_mem_rsvmap: 0x28 version: 17 last_comp_version: 16 Dumped fdt to fdtdump.dtb >fdtdump fdtdump.dtb | less This command is useful as the bootloader can often re-write parts of the device tree, and this can sometimes cause the kernel to not boot. Link: http://lkml.kernel.org/r/1481280065-5336-2-git-send-email-kbingham@kernel.org Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Kieran Bingham <kbingham@kernel.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 21:34:13 +00:00
LX_CONFIG(CONFIG_OF)
scripts/gdb: add a timer list command Implement a command to print the timer list, much like how /proc/timer_list is implemented. This can be used to look at the pending timers on a crashed system. [swboyd@chromium.org: v2] Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Nikolay Borisov <n.borisov.lkml@gmail.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jackie Liu <liuyun01@kylinos.cn> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 22:45:59 +00:00
LX_CONFIG(CONFIG_TICK_ONESHOT)
scripts/gdb: print interrupts This GDB script prints the interrupts in the system in the same way that /proc/interrupts does. This does include the architecture specific part done by arch_show_interrupts() for x86, ARM, ARM64 and MIPS. Example output from an ARM64 system: (gdb) lx-interruptlist CPU0 CPU1 CPU2 CPU3 10: 3167 1225 1276 2629 GICv2 30 Level arch_timer 13: 0 0 0 0 GICv2 36 Level arm-pmu 14: 0 0 0 0 GICv2 37 Level arm-pmu 15: 0 0 0 0 GICv2 38 Level arm-pmu 16: 0 0 0 0 GICv2 39 Level arm-pmu 28: 0 0 0 0 interrupt-controller@8410640 5 Edge brcmstb-gpio-wake 30: 125 0 0 0 GICv2 128 Level ttyS0 31: 0 0 0 0 interrupt-controller@8416000 0 Level mspi_done 32: 0 0 0 0 interrupt-controller@8410640 3 Edge brcmstb-waketimer 33: 0 0 0 0 interrupt-controller@8418580 8 Edge brcmstb-waketimer-rtc 34: 872 0 0 0 GICv2 230 Level brcm_scmi@0 35: 0 0 0 0 interrupt-controller@8410640 10 Edge 8d0f200.usb-phy 37: 0 0 0 0 GICv2 97 Level PCIe PME 42: 0 0 0 0 GICv2 145 Level xhci-hcd:usb1 43: 94 0 0 0 GICv2 71 Level mmc1 44: 0 0 0 0 GICv2 70 Level mmc0 IPI0: 23 666 154 98 Rescheduling interrupts IPI1: 247 1053 1701 634 Function call interrupts IPI2: 0 0 0 0 CPU stop interrupts IPI3: 0 0 0 0 CPU stop (for crash dump) interrupts IPI4: 0 0 0 0 Timer broadcast interrupts IPI5: 7 9 5 0 IRQ work interrupts IPI6: 0 0 0 0 CPU wake-up interrupts ERR: 0 Link: https://lkml.kernel.org/r/20230406220451.1583239-1-f.fainelli@gmail.com Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-06 22:04:51 +00:00
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)
scripts/gdb/aarch64: add aarch64 page operation helper commands and configs 1. Move page table debugging from mm.py to pgtable.py. 2. Add aarch64 kernel config and memory constants value. 3. Add below aarch64 page operation helper commands. page_to_pfn, page_to_phys, pfn_to_page, page_address, virt_to_phys, sym_to_pfn, pfn_to_kaddr, virt_to_page. 4. Only support CONFIG_SPARSEMEM_VMEMMAP=y now. Link: https://lkml.kernel.org/r/20230808083020.22254-5-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>
2023-08-08 08:30:14 +00:00
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)
arch: simplify architecture specific page size configuration arc, arm64, parisc and powerpc all have their own Kconfig symbols in place of the common CONFIG_PAGE_SIZE_4KB symbols. Change these so the common symbols are the ones that are actually used, while leaving the arhcitecture specific ones as the user visible place for configuring it, to avoid breaking user configs. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> (powerpc32) Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Helge Deller <deller@gmx.de> # parisc Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-26 16:14:12 +00:00
LX_VALUE(CONFIG_PAGE_SHIFT)
scripts/gdb/aarch64: add aarch64 page operation helper commands and configs 1. Move page table debugging from mm.py to pgtable.py. 2. Add aarch64 kernel config and memory constants value. 3. Add below aarch64 page operation helper commands. page_to_pfn, page_to_phys, pfn_to_page, page_address, virt_to_phys, sym_to_pfn, pfn_to_kaddr, virt_to_page. 4. Only support CONFIG_SPARSEMEM_VMEMMAP=y now. Link: https://lkml.kernel.org/r/20230808083020.22254-5-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>
2023-08-08 08:30:14 +00:00
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)
scripts/gdb/stackdepot: add stackdepot support Add support for printing the backtrace of stackdepot handle. This is the preparation patch for dumping page_owner, slabtrace usage. Link: https://lkml.kernel.org/r/20230808083020.22254-6-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>
2023-08-08 08:30:15 +00:00
LX_CONFIG(CONFIG_STACKDEPOT)
scripts/gdb/page_owner: add page owner support This GDB script prints page owner information for user to analyze the memory usage or memory corruption issue. Example output from an aarch64 system: (gdb) lx-dump-page-owner --pfn 655360 page_owner tracks the page as allocated Page last allocated via order 0, gfp_mask: 0x8, pid: 1, tgid: 1 ("swapper/0\000\000\000\000\000\000"), ts 1295948880 ns, free_ts 1011852016 ns PFN: 655360, Flags: 0x3fffc0000000000 0xffff8000086ab964 <post_alloc_hook+452>: ldp x19, x20, [sp, #16] 0xffff80000862e4e0 <split_map_pages+344>: cbnz w22, 0xffff80000862e57c <split_map_pages+500> 0xffff8000086370c4 <isolate_freepages_range+556>: mov x0, x27 0xffff8000086bc1cc <alloc_contig_range+808>: mov x24, x0 0xffff80000877d6d8 <cma_alloc+772>: mov w1, w0 0xffff8000082c8d18 <dma_alloc_from_contiguous+104>: ldr x19, [sp, #16] 0xffff8000082ce0e8 <atomic_pool_expand+208>: mov x19, x0 0xffff80000c1e41b4 <__dma_atomic_pool_init+172>: Cannot access memory at address 0xffff80000c1e41b4 0xffff80000c1e4298 <dma_atomic_pool_init+92>: Cannot access memory at address 0xffff80000c1e4298 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 page last free stack trace: 0xffff8000086a6e8c <free_unref_page_prepare+796>: mov w2, w23 0xffff8000086aee1c <free_unref_page+96>: tst w0, #0xff 0xffff8000086af3f8 <__free_pages+292>: ldp x19, x20, [sp, #16] 0xffff80000c1f3214 <init_cma_reserved_pageblock+220>: Cannot access memory at address 0xffff80000c1f3214 0xffff80000c20363c <cma_init_reserved_areas+1284>: Cannot access memory at address 0xffff80000c20363c 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b50 <kernel_init_freeable+952>: Cannot access memory at address 0xffff80000c1c1b50 0xffff80000acf87dc <kernel_init+36>: bl 0xffff8000081ab100 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 Link: https://lkml.kernel.org/r/20230808083020.22254-7-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>
2023-08-08 08:30:16 +00:00
LX_CONFIG(CONFIG_PAGE_OWNER)
scripts/gdb/slab: add slab support Add 'lx-slabinfo' and 'lx-slabtrace' support. This GDB scripts print slabinfo and slabtrace for user to analyze slab memory usage. Example output like below: (gdb) lx-slabinfo Pointer | name | active_objs | num_objs | objsize | objperslab | pagesperslab ------------------ | -------------------- | ------------ | ------------ | -------- | ----------- | ------------- 0xffff0000c59df480 | p9_req_t | 0 | 0 | 280 | 29 | 2 0xffff0000c59df280 | isp1760_qh | 0 | 0 | 160 | 25 | 1 0xffff0000c59df080 | isp1760_qtd | 0 | 0 | 184 | 22 | 1 0xffff0000c59dee80 | isp1760_urb_listite | 0 | 0 | 136 | 30 | 1 0xffff0000c59dec80 | asd_sas_event | 0 | 0 | 256 | 32 | 2 0xffff0000c59dea80 | sas_task | 0 | 0 | 448 | 36 | 4 0xffff0000c59de880 | bio-120 | 18 | 21 | 384 | 21 | 2 0xffff0000c59de680 | io_kiocb | 0 | 0 | 448 | 36 | 4 0xffff0000c59de480 | bfq_io_cq | 0 | 0 | 1504 | 21 | 8 0xffff0000c59de280 | bfq_queue | 0 | 0 | 720 | 22 | 4 0xffff0000c59de080 | mqueue_inode_cache | 1 | 28 | 1152 | 28 | 8 0xffff0000c59dde80 | v9fs_inode_cache | 0 | 0 | 832 | 39 | 8 ... (gdb) lx-slabtrace --cache_name kmalloc-1k 63 <tty_register_device_attr+508> waste=16632/264 age=46856/46871/46888 pid=1 cpus=6, 0xffff800008720240 <__kmem_cache_alloc_node+236>: mov x22, x0 0xffff80000862a4fc <kmalloc_trace+64>: mov x21, x0 0xffff8000095d086c <tty_register_device_attr+508>: mov x19, x0 0xffff8000095d0f98 <tty_register_driver+704>: cmn x0, #0x1, lsl #12 0xffff80000c2677e8 <vty_init+620>: Cannot access memory at address 0xffff80000c2677e8 0xffff80000c265a10 <tty_init+276>: Cannot access memory at address 0xffff80000c265a10 0xffff80000c26d3c4 <chr_dev_init+204>: Cannot access memory at address 0xffff80000c26d3c4 0xffff8000080161d4 <do_one_initcall+176>: mov w21, w0 0xffff80000c1c1b58 <kernel_init_freeable+956>: Cannot access memory at address 0xffff80000c1c1b58 0xffff80000acf1334 <kernel_init+36>: bl 0xffff8000081ac040 <async_synchronize_full> 0xffff800008018d00 <ret_from_fork+16>: mrs x28, sp_el0 (gdb) lx-slabtrace --cache_name kmalloc-1k --free 428 <not-available> age=4294958600 pid=0 cpus=0, Link: https://lkml.kernel.org/r/20230808083020.22254-8-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>
2023-08-08 08:30:17 +00:00
LX_CONFIG(CONFIG_SLUB_DEBUG)
LX_CONFIG(CONFIG_SLAB_FREELIST_HARDENED)
scripts/gdb/vmalloc: disable on no-MMU vmap_area does not exist on no-MMU, therefore the GDB scripts fail to load: Traceback (most recent call last): File "<...>/vmlinux-gdb.py", line 51, in <module> import linux.vmalloc File "<...>/scripts/gdb/linux/vmalloc.py", line 14, in <module> vmap_area_ptr_type = vmap_area_type.get_type().pointer() ^^^^^^^^^^^^^^^^^^^^^^^^^ File "<...>/scripts/gdb/linux/utils.py", line 28, in get_type self._type = gdb.lookup_type(self._name) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ gdb.error: No struct type named vmap_area. To fix this, disable the command and add an informative error message if CONFIG_MMU is not defined, following the example of lx-slabinfo. Link: https://lkml.kernel.org/r/20231031202235.2655333-2-ben.wolsieffer@hefring.com Fixes: 852622bf3616 ("scripts/gdb/vmalloc: add vmallocinfo support") Signed-off-by: Ben Wolsieffer <ben.wolsieffer@hefring.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-10-31 20:22:36 +00:00
LX_CONFIG(CONFIG_MMU)