When tracepoint_debug is set, we may get the output in kernel log:
[ 380.013843] Probe 0 : 00000000f0d68cda
It is not readable, so change to print the function symbol.
After this patch, the output may becomes:
[ 54.930567] Probe 0 : perf_trace_sched_wakeup_template
Reviewed-by: Christoph Lameter <[email protected]>
Signed-off-by: Huang Shijie <[email protected]>
---
kernel/tracepoint.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 1848ce7e2976..82bef4b9400a 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -127,7 +127,7 @@ static void debug_print_probes(struct tracepoint_func
*funcs)
return;
for (i = 0; funcs[i].func; i++)
- printk(KERN_DEBUG "Probe %d : %p\n", i, funcs[i].func);
+ printk(KERN_DEBUG "Probe %d : %ps\n", i, funcs[i].func);
}
static struct tracepoint_func *
--
2.40.1
