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| author | Huang Shijie <shijie.huang@arm.com> | 2016-05-20 17:04:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 17:58:30 -0700 |
| commit | ea9b50133ffebbd580cb5cd0aa222784d7a2fcb1 (patch) | |
| tree | d7bca19b41605e7ffecaea2b4d615b02edb4aaad /samples | |
| parent | d04659ac94528e9224dbf1aed37dd11dd952cacc (diff) | |
| download | lwn-ea9b50133ffebbd580cb5cd0aa222784d7a2fcb1.tar.gz lwn-ea9b50133ffebbd580cb5cd0aa222784d7a2fcb1.zip | |
samples/kprobes: print out the symbol name for the hooks
Print out the symbol name for the hooks, it makes the logs more
readable.
Link: http://lkml.kernel.org/r/1463535417-29637-2-git-send-email-shijie.huang@arm.com
Signed-off-by: Huang Shijie <shijie.huang@arm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steve Capper <steve.capper@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/kprobes/kprobe_example.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 2bb190dee66f..ed0ca0c07242 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -27,24 +27,24 @@ static struct kprobe kp = { static int handler_pre(struct kprobe *p, struct pt_regs *regs) { #ifdef CONFIG_X86 - printk(KERN_INFO "pre_handler: p->addr = 0x%p, ip = %lx," + printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, ip = %lx," " flags = 0x%lx\n", - p->addr, regs->ip, regs->flags); + p->symbol_name, p->addr, regs->ip, regs->flags); #endif #ifdef CONFIG_PPC - printk(KERN_INFO "pre_handler: p->addr = 0x%p, nip = 0x%lx," + printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx," " msr = 0x%lx\n", - p->addr, regs->nip, regs->msr); + p->symbol_name, p->addr, regs->nip, regs->msr); #endif #ifdef CONFIG_MIPS - printk(KERN_INFO "pre_handler: p->addr = 0x%p, epc = 0x%lx," + printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx," " status = 0x%lx\n", - p->addr, regs->cp0_epc, regs->cp0_status); + p->symbol_name, p->addr, regs->cp0_epc, regs->cp0_status); #endif #ifdef CONFIG_TILEGX - printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx," + printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx," " ex1 = 0x%lx\n", - p->addr, regs->pc, regs->ex1); + p->symbol_name, p->addr, regs->pc, regs->ex1); #endif /* A dump_stack() here will give a stack backtrace */ @@ -56,20 +56,20 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, unsigned long flags) { #ifdef CONFIG_X86 - printk(KERN_INFO "post_handler: p->addr = 0x%p, flags = 0x%lx\n", - p->addr, regs->flags); + printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, flags = 0x%lx\n", + p->symbol_name, p->addr, regs->flags); #endif #ifdef CONFIG_PPC - printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n", - p->addr, regs->msr); + printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, msr = 0x%lx\n", + p->symbol_name, p->addr, regs->msr); #endif #ifdef CONFIG_MIPS - printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n", - p->addr, regs->cp0_status); + printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n", + p->symbol_name, p->addr, regs->cp0_status); #endif #ifdef CONFIG_TILEGX - printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", - p->addr, regs->ex1); + printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", + p->symbol_name, p->addr, regs->ex1); #endif } |