Commit 61341314 authored by Huang Shijie's avatar Huang Shijie Committed by Linus Torvalds

samples/kretprobe: convert the printk to pr_info/pr_err

We prefer to use the pr_* to print out the log now, this patch converts
the printk to pr_info.  In the error path, use the pr_err to replace the
printk.

Link: http://lkml.kernel.org/r/1464143083-3877-3-git-send-email-shijie.huang@arm.comSigned-off-by: default avatarHuang Shijie <shijie.huang@arm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 468b8895
...@@ -62,7 +62,7 @@ static int ret_handler(struct kretprobe_instance *ri, struct pt_regs *regs) ...@@ -62,7 +62,7 @@ static int ret_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
now = ktime_get(); now = ktime_get();
delta = ktime_to_ns(ktime_sub(now, data->entry_stamp)); delta = ktime_to_ns(ktime_sub(now, data->entry_stamp));
printk(KERN_INFO "%s returned %d and took %lld ns to execute\n", pr_info("%s returned %d and took %lld ns to execute\n",
func_name, retval, (long long)delta); func_name, retval, (long long)delta);
return 0; return 0;
} }
...@@ -82,11 +82,10 @@ static int __init kretprobe_init(void) ...@@ -82,11 +82,10 @@ static int __init kretprobe_init(void)
my_kretprobe.kp.symbol_name = func_name; my_kretprobe.kp.symbol_name = func_name;
ret = register_kretprobe(&my_kretprobe); ret = register_kretprobe(&my_kretprobe);
if (ret < 0) { if (ret < 0) {
printk(KERN_INFO "register_kretprobe failed, returned %d\n", pr_err("register_kretprobe failed, returned %d\n", ret);
ret);
return -1; return -1;
} }
printk(KERN_INFO "Planted return probe at %s: %p\n", pr_info("Planted return probe at %s: %p\n",
my_kretprobe.kp.symbol_name, my_kretprobe.kp.addr); my_kretprobe.kp.symbol_name, my_kretprobe.kp.addr);
return 0; return 0;
} }
...@@ -94,11 +93,10 @@ static int __init kretprobe_init(void) ...@@ -94,11 +93,10 @@ static int __init kretprobe_init(void)
static void __exit kretprobe_exit(void) static void __exit kretprobe_exit(void)
{ {
unregister_kretprobe(&my_kretprobe); unregister_kretprobe(&my_kretprobe);
printk(KERN_INFO "kretprobe at %p unregistered\n", pr_info("kretprobe at %p unregistered\n", my_kretprobe.kp.addr);
my_kretprobe.kp.addr);
/* nmissed > 0 suggests that maxactive was set too low. */ /* nmissed > 0 suggests that maxactive was set too low. */
printk(KERN_INFO "Missed probing %d instances of %s\n", pr_info("Missed probing %d instances of %s\n",
my_kretprobe.nmissed, my_kretprobe.kp.symbol_name); my_kretprobe.nmissed, my_kretprobe.kp.symbol_name);
} }
......
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