From: Huang Shijie <shijie.huang@arm.com>
To: <akpm@linux-foundation.org>
Cc: <pmladek@suse.com>, <linux-kernel@vger.kernel.org>,
<steve.capper@arm.com>, <nd@arm.com>,
Huang Shijie <shijie.huang@arm.com>
Subject: [PATCH 2/2] kprobes: print out the symbol name for the hooks
Date: Wed, 18 May 2016 09:36:57 +0800 [thread overview]
Message-ID: <1463535417-29637-2-git-send-email-shijie.huang@arm.com> (raw)
In-Reply-To: <1463535417-29637-1-git-send-email-shijie.huang@arm.com>
Print out the symbol name for the hooks, it makes the logs more readable.
Signed-off-by: Huang Shijie <shijie.huang@arm.com>
---
samples/kprobes/kprobe_example.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 2bb190d..ed0ca0c 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
}
--
2.5.5
next prev parent reply other threads:[~2016-05-18 1:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-18 1:36 [PATCH 1/2] kprobes: add a new module parameter Huang Shijie
2016-05-18 1:36 ` Huang Shijie [this message]
2016-05-18 21:27 ` Andrew Morton
2016-05-19 1:40 ` [PATCH v2] " Huang Shijie
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