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Date: Mon, 26 Aug 2019 18:44:44 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Changbin Du <changbin.du@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>, Jonathan Corbet <corbet@....net>,
Jessica Yu <jeyu@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-arch@...r.kernel.org, linux-kbuild@...r.kernel.org,
"John F . Reiser" <jreiser@...Wagon.com>,
Matt Helsley <mhelsley@...are.com>
Subject: Re: [PATCH 01/11] ftrace: move recordmcount tools to scripts/ftrace
On Sun, 25 Aug 2019 21:23:20 +0800
Changbin Du <changbin.du@...il.com> wrote:
> Move ftrace tools to its own directory. We will add another tool later.
>
> Cc: John F. Reiser <jreiser@...Wagon.com>
> Signed-off-by: Changbin Du <changbin.du@...il.com>
> ---
> scripts/.gitignore | 1 -
> scripts/Makefile | 2 +-
> scripts/Makefile.build | 10 +++++-----
> scripts/ftrace/.gitignore | 4 ++++
> scripts/ftrace/Makefile | 4 ++++
> scripts/{ => ftrace}/recordmcount.c | 0
> scripts/{ => ftrace}/recordmcount.h | 0
> scripts/{ => ftrace}/recordmcount.pl | 0
> 8 files changed, 14 insertions(+), 7 deletions(-)
> create mode 100644 scripts/ftrace/.gitignore
> create mode 100644 scripts/ftrace/Makefile
> rename scripts/{ => ftrace}/recordmcount.c (100%)
> rename scripts/{ => ftrace}/recordmcount.h (100%)
> rename scripts/{ => ftrace}/recordmcount.pl (100%)
> mode change 100755 => 100644
Note, we are in the process of merging recordmcount with objtool. It
would be better to continue from that work.
http://lkml.kernel.org/r/2767f55f4a5fbf30ba0635aed7a9c5ee92ac07dd.1563992889.git.mhelsley@vmware.com
-- Steve
>
> diff --git a/scripts/.gitignore b/scripts/.gitignore
> index 17f8cef88fa8..1b5b5d595d80 100644
> --- a/scripts/.gitignore
> +++ b/scripts/.gitignore
> @@ -6,7 +6,6 @@ conmakehash
> kallsyms
> pnmtologo
> unifdef
> -recordmcount
> sortextable
> asn1_compiler
> extract-cert
> diff --git a/scripts/Makefile b/scripts/Makefile
> index 16bcb8087899..d5992def49a8 100644
> --- a/scripts/Makefile
> +++ b/scripts/Makefile
> @@ -14,7 +14,6 @@ hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
> hostprogs-$(CONFIG_KALLSYMS) += kallsyms
> hostprogs-$(CONFIG_LOGO) += pnmtologo
> hostprogs-$(CONFIG_VT) += conmakehash
> -hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
> hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
> hostprogs-$(CONFIG_ASN1) += asn1_compiler
> hostprogs-$(CONFIG_MODULE_SIG) += sign-file
> @@ -34,6 +33,7 @@ hostprogs-y += unifdef
> subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
> subdir-$(CONFIG_MODVERSIONS) += genksyms
> subdir-$(CONFIG_SECURITY_SELINUX) += selinux
> +subdir-$(CONFIG_FTRACE) += ftrace
>
> # Let clean descend into subdirs
> subdir- += basic dtc gdb kconfig mod package
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 2f66ed388d1c..67558983c518 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -188,18 +188,18 @@ endif
> # files, including recordmcount.
> sub_cmd_record_mcount = \
> if [ $(@) != "scripts/mod/empty.o" ]; then \
> - $(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)"; \
> + $(objtree)/scripts/ftrace/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)"; \
> fi;
> -recordmcount_source := $(srctree)/scripts/recordmcount.c \
> - $(srctree)/scripts/recordmcount.h
> +recordmcount_source := $(srctree)/scripts/ftrace/recordmcount.c \
> + $(srctree)/scripts/ftrace/recordmcount.h
> else
> -sub_cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
> +sub_cmd_record_mcount = perl $(srctree)/scripts/ftrace/recordmcount.pl "$(ARCH)" \
> "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
> "$(if $(CONFIG_64BIT),64,32)" \
> "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \
> "$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \
> "$(if $(part-of-module),1,0)" "$(@)";
> -recordmcount_source := $(srctree)/scripts/recordmcount.pl
> +recordmcount_source := $(srctree)/scripts/ftrace/recordmcount.pl
> endif # BUILD_C_RECORDMCOUNT
> cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)), \
> $(sub_cmd_record_mcount))
> diff --git a/scripts/ftrace/.gitignore b/scripts/ftrace/.gitignore
> new file mode 100644
> index 000000000000..54d582c8faad
> --- /dev/null
> +++ b/scripts/ftrace/.gitignore
> @@ -0,0 +1,4 @@
> +#
> +# Generated files
> +#
> +recordmcount
> diff --git a/scripts/ftrace/Makefile b/scripts/ftrace/Makefile
> new file mode 100644
> index 000000000000..6797e51473e5
> --- /dev/null
> +++ b/scripts/ftrace/Makefile
> @@ -0,0 +1,4 @@
> +# SPDX-License-Identifier: GPL-2.0
> +
> +hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
> +always := $(hostprogs-y)
> diff --git a/scripts/recordmcount.c b/scripts/ftrace/recordmcount.c
> similarity index 100%
> rename from scripts/recordmcount.c
> rename to scripts/ftrace/recordmcount.c
> diff --git a/scripts/recordmcount.h b/scripts/ftrace/recordmcount.h
> similarity index 100%
> rename from scripts/recordmcount.h
> rename to scripts/ftrace/recordmcount.h
> diff --git a/scripts/recordmcount.pl b/scripts/ftrace/recordmcount.pl
> old mode 100755
> new mode 100644
> similarity index 100%
> rename from scripts/recordmcount.pl
> rename to scripts/ftrace/recordmcount.pl
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