path: root/samples
diff options
authorDavid Daney <ddaney@caviumnetworks.com>2010-08-03 11:22:21 -0700
committerRalf Baechle <ralf@linux-mips.org>2010-08-05 13:26:29 +0100
commit8a1492370b493cf680b86885286f07cb9b967716 (patch)
treeac1efeafead9a4092397e546d1afb3115a4ac954 /samples
parentc1bf207d6ee1eb72e9c10365edbdc7c9ff7fb9b0 (diff)
SAMPLES: kprobe_example: Make it print something on MIPS.
This KProbes example is a little useless if it doesn't print anything. For MIPS print similar messages to those produced on x86 and PPC. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org To: ananth@in.ibm.com To: anil.s.keshavamurthy@intel.com To: davem@davemloft.net To: masami.hiramatsu.pt@hitachi.com Cc: linux-kernel@vger.kernel.org Cc: hschauhan@nulltrace.org Patchwork: https://patchwork.linux-mips.org/patch/1528/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'samples')
1 files changed, 9 insertions, 0 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index a681998a871c..ebf5e0c368ea 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -32,6 +32,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
" msr = 0x%lx\n",
p->addr, regs->nip, regs->msr);
+ printk(KERN_INFO "pre_handler: p->addr = 0x%p, epc = 0x%lx,"
+ " status = 0x%lx\n",
+ p->addr, regs->cp0_epc, regs->cp0_status);
/* A dump_stack() here will give a stack backtrace */
return 0;
@@ -49,6 +54,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n",
p->addr, regs->msr);
+ printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
+ p->addr, regs->cp0_status);