[for-next][PATCH 03/10] tracepoint: Print the function symbol when tracepoint_debug is set
From: Steven Rostedt
Date: Sun Mar 23 2025 - 08:29:49 EST
From: Huang Shijie <shijie@xxxxxxxxxxxxxxxxxxxxxx>
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:
[ 55.225555] Probe 0 : perf_trace_sched_wakeup_template+0x0/0x20
Link: https://lore.kernel.org/20250307033858.4134-1-shijie@xxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Huang Shijie <shijie@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
kernel/tracepoint.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 1848ce7e2976..62719d2941c9 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 : %pSb\n", i, funcs[i].func);
}
static struct tracepoint_func *
--
2.47.2