summaryrefslogtreecommitdiffstats
path: root/samples/kprobes/kprobe_example.c
diff options
context:
space:
mode:
Diffstat (limited to 'samples/kprobes/kprobe_example.c')
-rw-r--r--samples/kprobes/kprobe_example.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index f3b61b4ee09c..88b3e2d227ae 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -27,23 +27,19 @@ static struct kprobe kp = {
static int handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, ip = %lx,"
- " flags = 0x%lx\n",
+ pr_info("<%s> pre_handler: p->addr = 0x%p, ip = %lx, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->ip, regs->flags);
#endif
#ifdef CONFIG_PPC
- printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx,"
- " msr = 0x%lx\n",
+ pr_info("<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx, msr = 0x%lx\n",
p->symbol_name, p->addr, regs->nip, regs->msr);
#endif
#ifdef CONFIG_MIPS
- printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx,"
- " status = 0x%lx\n",
+ pr_info("<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx, status = 0x%lx\n",
p->symbol_name, p->addr, regs->cp0_epc, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
- printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx,"
- " ex1 = 0x%lx\n",
+ pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx, ex1 = 0x%lx\n",
p->symbol_name, p->addr, regs->pc, regs->ex1);
#endif
#ifdef CONFIG_ARM64
@@ -61,19 +57,19 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
unsigned long flags)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, flags = 0x%lx\n",
+ pr_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 "<%s> post_handler: p->addr = 0x%p, msr = 0x%lx\n",
+ pr_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 "<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n",
+ pr_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 "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
+ pr_info("<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
p->symbol_name, p->addr, regs->ex1);
#endif
#ifdef CONFIG_ARM64
@@ -89,8 +85,7 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
*/
static int handler_fault(struct kprobe *p, struct pt_regs *regs, int trapnr)
{
- printk(KERN_INFO "fault_handler: p->addr = 0x%p, trap #%dn",
- p->addr, trapnr);
+ pr_info("fault_handler: p->addr = 0x%p, trap #%dn", p->addr, trapnr);
/* Return 0 because we don't handle the fault. */
return 0;
}
@@ -104,17 +99,17 @@ static int __init kprobe_init(void)
ret = register_kprobe(&kp);
if (ret < 0) {
- printk(KERN_INFO "register_kprobe failed, returned %d\n", ret);
+ pr_err("register_kprobe failed, returned %d\n", ret);
return ret;
}
- printk(KERN_INFO "Planted kprobe at %p\n", kp.addr);
+ pr_info("Planted kprobe at %p\n", kp.addr);
return 0;
}
static void __exit kprobe_exit(void)
{
unregister_kprobe(&kp);
- printk(KERN_INFO "kprobe at %p unregistered\n", kp.addr);
+ pr_info("kprobe at %p unregistered\n", kp.addr);
}
module_init(kprobe_init)