The patch titled
Subject: samples/kprobes: print out the symbol name for the hooks
has been added to the -mm tree. Its filename is
kprobes-print-out-the-symbol-name-for-the-hooks.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kprobes-print-out-the-symbol-name-for-the-hooks.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kprobes-print-out-the-symbol-name-for-the-hooks.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Huang Shijie <shijie.huang@xxxxxxx>
Subject: 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@xxxxxxx
Signed-off-by: Huang Shijie <shijie.huang@xxxxxxx>
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Steve Capper <steve.capper@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
samples/kprobes/kprobe_example.c | 32 ++++++++++++++---------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff -puN samples/kprobes/kprobe_example.c~kprobes-print-out-the-symbol-name-for-the-hooks samples/kprobes/kprobe_example.c
--- a/samples/kprobes/kprobe_example.c~kprobes-print-out-the-symbol-name-for-the-hooks
+++ a/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 *
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
}
_
Patches currently in -mm which might be from shijie.huang@xxxxxxx are
kprobes-add-the-tls-argument-for-j_do_fork.patch
kprobes-add-a-new-module-parameter.patch
kprobes-print-out-the-symbol-name-for-the-hooks.patch
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