Pan ruochen <panruochen@xxxxxxxxx> writes: > $cat drivers/base/power/.runtime.o.cmd > arm-none-linux-gnueabi-gcc -Wp,-MD,drivers/base/power/.runtime.o.d > -nostdinc -isystem > /opt/arm-2009q3-none-linux-gnueabi/bin/../lib/gcc/arm-none-linux-gnueabi/4.4.1/include > -I/home/PRC/git/linux-2.6/arch/arm/include -Iinclude -include > include/generated/autoconf.h -D__KERNEL__ -mlittle-endian > -Iarch/arm/mach-versatile/include -Wall -Wundef -Wstrict-prototypes > -Wno-trigraphs -fno-strict-aliasing -fno-common > -Werror-implicit-function-declaration -Wno-format-security > -fno-delete-null-pointer-checks -Os -marm -fno-omit-frame-pointer > -mapcs -mno-sched-prolog -mabi=aapcs-linux -mno-thumb-interwork > -D__LINUX_ARM_ARCH__=7 -march=armv7-a -msoft-float -Uarm > -Wframe-larger-than=1024 -fno-stack-protector -fno-omit-frame-pointer > -fno-optimize-sibling-calls -g -Wdeclaration-after-statement > -Wno-pointer-sign -fno-strict-overflow -fno-dwarf2-cfi-asm > -fconserve-stack -finstrument-functions > -finstrument-functions-exclude-file-list=linux/,asm/,runtime.c > -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(runtime)" > -D"KBUILD_MODNAME=KBUILD_STR(runtime)" -c -o > drivers/base/power/runtime.o drivers/base/power/runtime.c > > I wish gcc invoke __cyg_profile_func_enter/__cyg_profile_func_exit > only from the functions within `runtime.c' in the driver/base/power. > It is not successful. > > $nm drivers/power/base/main.o > ... > U __cyg_profile_func_enter > U __cyg_profile_func_exit Your command above says to instrument all functions except those in files whose names match linux/ or asm/ or runtime.c. The file drivers/power/base/main.c does not match any of those strings, so it gets instrumented. This seems consistent. Ian
