nlplug: add debug info about total used buffer size

this help us to set kernel buffer size properly

1 files changed, 4 insertions, 2 deletions

diff --git a/nlplug.c b/nlplug.c
index 3ed8dbd..5e1ce83 100644
--- a/nlplug.c
+++ b/nlplug.c
@@ -210,6 +210,7 @@ int main(int argc, char *argv[])
 	char *searchdev = NULL;
 
 	int showudev, showkernel;
+	size_t total_bytes;
 
 	showudev = 1;
 	showkernel = 1;
@@ -271,6 +272,7 @@ int main(int argc, char *argv[])
 		if (len < 32 || len >= sizeof(buf))
 			continue;
 
+		total_bytes += len;
 		chdr = CMSG_FIRSTHDR(&hdr);
 		if (chdr == NULL || chdr->cmsg_type != SCM_CREDENTIALS)
 			continue;
@@ -317,8 +319,8 @@ int main(int argc, char *argv[])
 
 	if (r == 0)
 		dbg("exit due to timeout");
-	dbg("modaliases: %i, forks: %i, events: %i", modalias_count, fork_count,
-		event_count);
+	dbg("modaliases: %i, forks: %i, events: %i, total bufsize: %zu", modalias_count, fork_count,
+		event_count, total_bytes);
 
 	return 0;
 }