Recordmcount.pl

Author: cdzm

August undefined, 2024

WebbCurrently if CONFIG_FTRACE_MCOUNT_RECORD is enabled -mrecord-mcount compiler flag support is tested for every Makefile. Top 4 cc-option usages: 511 -mrecord-mcount … WebbLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v3 00/13] Cleanup recordmcount and begin objtool conversion @ 2024-07-24 21:04 Matt Helsley 2024-07-24 21:04 ` [PATCH v3 01/13] recordmcount: Remove redundant strcmp Matt Helsley ` (13 more replies) 0 siblings, 14 replies; 25+ messages in thread From: Matt …

[tip:perf/core] kbuild/recordmcount: Add RECORDMCOUNT_WARN …

Webbsearchcode is a free source code search engine. Code snippets and open source (free software) repositories are indexed and searchable. Webb#!/usr/bin/env perl # SPDX-License-Identifier: GPL-2.0-only # (c) 2008, Steven Rostedt # # recordmcount.pl - makes a section called __mcount_loc that holds # all the ... german motor sport federation

mcount 和 ftrace_caller_linux_chow的博客-CSDN博客

WebbFile list of package linux-headers-5.4.0-144 in focal-updates of architecture alllinux-headers-5.4.0-144 in focal-updates of architecture all WebbIf anyone has any issues with these being applied, please >> let me know. >> >> Responses should be made by Fri Jan 29 18:07:17 UTC 2016. >> Anything received after that time might be too late. >> > > Build results: > total: 139 pass: 138 fail: 1 > Failed builds: > arm64:allmodconfig > > Qemu test results: > total: 95 pass: 93 fail: 2 > Failed tests: > … Webbtracing: Fix objcopy revision check in recordmcount.pl: Li Hong: 1-29 / +27: 2009-10-29: tracing: Check absolute path of input file in recordmcount.pl: Li Hong: 1-1 / +1: 2009-10-29: tracing: Correct the check for number of arguments in recordmcount.pl: Li Hong: 1-1 / +1: 2009-10-29: tracing: Amend documentation in recordmcount.pl to reflect ... german motorsports colorado springs colorado

Incorporating Recordmcount in Linux’s Objtool - Open Source Blog

Makefile-kbuild/memo.md at master · trimagiccube/Makefile-kbuild

Webbthe recordmcount ELF code is only reading and walking the data structures to collect the mcount locations it records in a separate area of memory. This means it's safe to mix … WebbNow that arch/metag/ has been removed, drop a bunch of metag references in various codes across the whole tree: - VM_GROWSUP and __VM_ARCH_PECIFIC_1. - … chris titus powershell debloatWebbThe rec->ip value is the address of the mcount call site that was collected by the scripts/recordmcount.pl during build time. The last function is used to do runtime patching of the active tracer. This will be modifying the assembly code at the location of the ftrace_call symbol inside of the ftrace_caller() function. german motors north main st providence ri

"Webb看了下recordmcount.pl，合着google看懂了其意图，因此我自己尝试着用一般的脚本重复wheel：test.c:static int ldat_one_data_default = 0; ftrace(二)实现---- … " - Recordmcount.pl

Recordmcount.pl

Webbsearchcode is a free source code search engine. Code snippets and open source (free software) repositories are indexed and searchable. WebbThe rec->ip value is the address of the mcount call site that was collected by the scripts/recordmcount.pl during build time. The last function is used to do runtime …

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Webbsearchcode is a free source code search engine. Code snippets and open source (free sofware) repositories are indexed and searchable.

Webb15 maj 2024 · Ftrace uses a script recordmcount.pl to post-process the kernel and find mcount locations. There is a now a C version, recordmcount.c and arches should be … WebbFrom: Stephen Boyd To: [email protected] Cc: [email protected], [email protected], "Nicolas Pitre" , "Arnd Bergmann" , "Steven Rostedt" , "Måns Rullgård" Subject: [RFC/PATCH …

Webb19 mars 2024 · Such relocation could be generated with below code for example: bool is_mcount(unsigned long addr) { return (target == (unsigned long) &_mcount); } With this snippet of code, ftrace will try to patch the mcount location generated by this code on module load and fail with: Call trace: ftrace_bug+0xa0/0x28c … Webb10 nov. 2016 · Sorted by: 13. I had the same problem, and just making recordmcount solved it partially. There were other scripts/* modules missing. The following command …

Webb-mrecord-mcount 用于代替 linux/scripts/record_mcount. {pl,c} 。 -mnop-mcount 不可用于PIC，把 __fentry__ 替换成NOP。设计时没有考虑通用性，大多数RISC都用不上不带参 …

WebbLKML Archive on lore.kernel.org help / color / mirror / Atom feed From: tip-bot for Steven Rostedt To: [email protected] Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected] Subject: [tip:perf/core] … chris titus redditWebb9 maj 2024 · The Linux kernel uses a tool called recordmcount at build time as part of the kernel’s tracing solution. It parses the intermediate ELF-formatted object files produced by the compiler from the kernel C source code and creates a table that you can use to enable/disable tracing at runtime. But a second kernel build-time tool, objtool, also ... chris titus robocopyWebb17 aug. 2024 · From: Vasily Gorbik Utilize -mfentry and -mnop-mcount gcc options together with-mrecord-mcount to get compiler generated calls to … chris titus powershell windows updateWebb10 maj 2024 · From:: Greg Kroah-Hartman To:: linux-kernel-AT-vger.kernel.org, akpm-AT-linux-foundation.org, torvalds-AT-linux … chris titus script windows 11WebbFile list of package linux-headers-4.15.0-204-lowlatency in bionic-updates of architecture i386linux-headers-4.15.0-204-lowlatency in bionic-updates of architecture i386 german motorway 8 crossword clueWebb1 feb. 2024 · -mrecord-mcount 用于代替 linux/scripts/record_mcount. {pl,c} 。 -mnop-mcount 不可用于PIC，把 __fentry__ 替换成NOP。设计时没有考虑通用性，大多数RISC … german motor technology service centreWebbThis change postpones calls to recordmcount until after this step. In order to exclude specific functions from inspection, we add a new code section .text..nomcount, which we tell recordmcount to ignore, and a __nomcount … german motorway network