Subject: Re: [PATCH 01/11] ftrace: move recordmcount tools to scripts/ftrace

From: Steven Rostedt <[email-masked]>
Date: Mon, 26 Aug 2019 18:44:44 -0400

On Sun, 25 Aug 2019 21:23:20 +0800
Changbin Du <[email-masked]> wrote:

> Move ftrace tools to its own directory. We will add another tool later.
> 
> Cc: John F. Reiser <[email-masked]>
> Signed-off-by: Changbin Du <[email-masked]>
> ---
>  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/[email-masked]

-- 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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