wonder@wonder-VirtualBox:~/layer$ ls
built-in.o gprof.output hello.mod.c main.c modules.order tempfile
cli.c hello.c hello.mod.o main.c~ Module.symvers
cli.c~ hello.c~ hello.o Makefile snull.h
core hello.ko main Makefile~ sysdep.h
wonder@wonder-VirtualBox:~/layer$ sudo gprof ./hello.o
gmon.out: No such file or directory
how to gprofile module
Code:
ccflags-y += -pg # enable profiling
obj-m += hello.o
hello.o:
make -o hello -C /usr/src/linux-headers-3.8.0-29-generic -C /usr/include/i386-linux-gnu/sys M=$(PWD) modules
clean:
make -C /usr/src/linux-headers-3.8.0-29-generic -C /usr/include/i386-linux-gnu/sys M=$(PWD) clean
gmon.out: No such file or directory
