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authorHuang Shijie <shijie.huang@arm.com>2016-05-20 17:04:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 17:58:30 -0700
commitea9b50133ffebbd580cb5cd0aa222784d7a2fcb1 (patch)
treed7bca19b41605e7ffecaea2b4d615b02edb4aaad /samples
parentd04659ac94528e9224dbf1aed37dd11dd952cacc (diff)
downloadlinux-ea9b50133ffebbd580cb5cd0aa222784d7a2fcb1.tar.bz2
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.c32
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
}