tracing/kprobes: Support longer (>128 bytes) command

[firefly-linux-kernel-4.4.55.git] / kernel / trace / trace_kprobe.c

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 2088893c049efc03dd0ece7486bf34fd5959914c..c6ed886608567fa015f63f45aed5ae04a1febcb9 100644 (file)
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1129,7 +1129,7 @@ static int command_trace_probe(const char *buf)
        return ret;
 }
 
-#define WRITE_BUFSIZE 128
+#define WRITE_BUFSIZE 4096
 
 static ssize_t probes_write(struct file *file, const char __user *buffer,
                            size_t count, loff_t *ppos)