procevent plugin: Reference buffer sizing guideline.

Co-authored-by: Eero Tamminen <eero.t.tamminen@intel.com>

diff --git a/src/procevent.c b/src/procevent.c
index 41f8b6027dbc99fb549df72d34573918f12f238e..cacc88a60b42cfc3e3ed1f73a25ac1ed8ece1225 100644 (file)
--- a/src/procevent.c
+++ b/src/procevent.c
@@ -745,6 +745,7 @@ static int read_event() {
 
     pthread_mutex_unlock(&procevent_thread_lock);
 
+    // https://docs.kernel.org/userspace-api/netlink/intro.html#buffer-sizing
     size_t msg_size = (size_t)sysconf(_SC_PAGESIZE);
     if (msg_size < 8192) {
       msg_size = 8192;