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Recordmcount.pl

Webb当COFNIG_DYNAMIC_FTRACE被选中后，内核编译时会调用recordmcount.pl脚本，将每个函数的地址写入一个特殊的段：__mcount_loc 1、scripts/Makefile.build： ifdef … Webb3 maj 2024 · linux目录count,linux-kernel – linux / scripts / recordmcount：没有这样的文件或目录. /home/mynfs/linux/scripts/recordmcount: No such file or directory. 它出什么问 …

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

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 … WebbLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 00/15] [GIT PULL] ftrace/recordmcount: cleanups and updates for recordmcount processing @ 2011-05-18 16:08 Steven Rostedt 2011-05-18 16:08 ` [PATCH 01/15] ftrace/kbuild: Add recordmcount files to force full build Steven Rostedt ` (16 more replies) 0 siblings, 17 … kris who https://dougluberts.com

[PATCH 1/2] ftrace: pass KBUILD_CFLAGS along with CC to record_mcount.pl

WebbSince modification of recordmcount does not force updates to all object files, the expectation that ftrace had on the object files was incorrect and caused ftrace to fail. This is an RFC to modify fixdep to allow addition of files that would be added as dependencies to all objects in the kernel. WebbSam Ravnborg pointed out that I could condense the code for the parameters of recordmcount.pl by using an $(if ...) condition. Signed-off-by: Steven Rostedt … Webb23 feb. 2024 · tracing: Only print objcopy version warning once from recordmcount: Steven Rostedt: 1-2 / +10: If the user has an older version of objcopy, that can not handle converting local symbols to global and vice versa, then some functions will not be part of the dynamic function tracer. The current code in recordmcount.pl will print a warning in … map of danville ca area

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Category:linux/scripts/recordmcount：没有这样的文件或目录 - makefile - 码客

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Recordmcount.pl

[RFC][PATCH v4 00/32] objtool: Make recordmcount a subcommand

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 ... Webb5 # recordmcount.pl - makes a section called __mcount_loc that holds. 6 # all the offsets to the calls to mcount. 7 # 8 # 9 # What we want to end up with this is that each object file …

Recordmcount.pl

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WebbPersonal note/memo. Created for datailed analysis of linux kernel top Makefile - Makefile-kbuild/memo.md at master · trimagiccube/Makefile-kbuild 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 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.

Webblinux 4.9.18-1~bpo8%2B1. links: PTS, VCS area: main; in suites: jessie-backports; size: 812,004 kB; sloc: ansic: 14,480,472; asm: 287,165; makefile: 35,234; perl ... WebbMuch of the 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 access to the mapped file with access to the objtool-style linked data structures as we gradually convert it to using only the linked data structures.

Webb15 feb. 2024 · 我有同样的问题，只是让recordmcount部分地解决了它。. 还缺少其他脚本/ *模块。. 以下命令构建了我缺少的所有模块：. cd $ (sysroot)/usr/src/linux ( in your case … Webb5 # recordmcount.pl - makes a section called __mcount_loc that holds. 6 # all the offsets to the calls to mcount. 7 # 8 # 9 # What we want to end up with this is that each object file will have a. 10 # section called __mcount_loc that will hold the list of pointers to mcount.

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WebbThis is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).mirroring instructions for how to clone and mirror all data and code used for … map of dapto areaWebbLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [RFC][PATCH 00/11] ftrace/recordmcount: Remove useless mcount calls not being traced @ 2011-04-21 2:28 Steven Rostedt 2011-04-21 2:28 ` [RFC][PATCH 01/11] ftrace/trivial: Clean up recordmcount.c to use Linux style comparisons Steven Rostedt ` (10 more replies) 0 … map of darfield canterburyWebbsearchcode is a free source code search engine. Code snippets and open source (free sofware) repositories are indexed and searchable. map of darling riverWebbCurrently 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 … map of darboy wiWebb24 dec. 2024 · I would like to find the number of rows in a cursor. Is there a keyword that can help? Using COUNT, we have to write a query. Any help will be greatly appreciated. map of darchula districtWebb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---- … map of dark souls 1Webb#!/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 ... map of darke county ohio