Update mysqld_query.py

store the query in query[128] and printk("%s\n",query) instead of printk("%s\n",addr)
nanshuaibo · Aug 16, 2019 · 2479fbf · 2479fbf
1 parent 5ce16e4
commit 2479fbf
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/examples/tracing/mysqld_query.py b/examples/tracing/mysqld_query.py
@@ -34,7 +34,8 @@
  * see: https://dev.mysql.com/doc/refman/5.7/en/dba-dtrace-ref-query.html
  */
  bpf_usdt_readarg(1, ctx, &addr);
- bpf_trace_printk("%s\\n", addr);
+ bpf_probe_read(&query, sizeof(query), (void *)addr);
+ bpf_trace_printk("%s\\n", query);
  return 0;
 };
 """