Em Wed, Oct 05, 2022 at 09:23:32AM +0200, Martin Liška escreveu:
> On 10/4/22 23:44, Arnaldo Carvalho de Melo wrote:
> > I assume "binutils master" means:
> >
> > git://sourceware.org/git/binutils-gdb.git master?
>
> Yes.
Taking notes:
Using what is in opensuse:tumbleweed it works:
15e20ce2324a:~/git/linux # ls -la ../build/v6.0.0+/vmlinux
-rwxr-xr-x. 1 root root 674990096 Oct 5 14:30 ../build/v6.0.0+/vmlinux
15e20ce2324a:~/git/linux # pahole ../build/v6.0.0+/vmlinux > /dev/null
15e20ce2324a:~/git/linux # time pahole ../build/v6.0.0+/vmlinux > /dev/null
real 0m5.155s
user 0m4.518s
sys 0m0.608s
15e20ce2324a:~/git/linux # time pahole -F dwarf ../build/v6.0.0+/vmlinux > /dev/null
real 0m5.184s
user 0m4.504s
sys 0m0.662s
15e20ce2324a:~/git/linux # time pahole -F btf ../build/v6.0.0+/vmlinux > /dev/null
real 0m0.077s
user 0m0.057s
sys 0m0.020s
15e20ce2324a:~/git/linux # btfdiff ../build/v6.0.0+/vmlinux
15e20ce2324a:~/git/linux # pahole -F btf -C spinlock_t ../build/v6.0.0+/vmlinux > /dev/null
15e20ce2324a:~/git/linux # pahole -F btf -C spinlock_t ../build/v6.0.0+/vmlinux
typedef struct spinlock spinlock_t;
15e20ce2324a:~/git/linux # pahole -EF btf -C spinlock_t ../build/v6.0.0+/vmlinux
typedef struct spinlock spinlock_t;
15e20ce2324a:~/git/linux # pahole -F btf -C spinlock ../build/v6.0.0+/vmlinux
struct spinlock {
union {
struct raw_spinlock rlock; /* 0 4 */
}; /* 0 4 */
/* size: 4, cachelines: 1, members: 1 */
/* last cacheline: 4 bytes */
};
15e20ce2324a:~/git/linux # pahole -EF btf -C spinlock ../build/v6.0.0+/vmlinux
struct spinlock {
union {
struct raw_spinlock {
/* typedef arch_spinlock_t */ struct qspinlock {
union {
/* typedef atomic_t */ struct {
int counter; /* 0 4 */
} val; /* 0 4 */
struct {
/* typedef u8 -> __u8 */ unsigned char locked; /* 0 1 */
/* typedef u8 -> __u8 */ unsigned char pending; /* 1 1 */
}; /* 0 2 */
struct {
/* typedef u16 -> __u16 */ short unsigned int locked_pending; /* 0 2 */
/* typedef u16 -> __u16 */ short unsigned int tail; /* 2 2 */
}; /* 0 4 */
}; /* 0 4 */
} raw_lock; /* 0 4 */
} rlock; /* 0 4 */
}; /* 0 4 */
/* size: 4, cachelines: 1, members: 1 */
/* last cacheline: 4 bytes */
};
15e20ce2324a:~/git/linux # pahole --version
v1.22
15e20ce2324a:~/git/linux #
15e20ce2324a:~/git/linux # rpm -q binutils
binutils-2.38-6.2.x86_64
15e20ce2324a:~/git/linux #
Now to update binutils.
- Arnaldo
