tracing/function-return-tracer: add the overrun field

[~andy/linux] / include / linux / ftrace.h

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f1af1aab00e6ffaa3e463ffe3522df63918953d8..f7ba4ea5e128dca40746569fb580965cd12f9faf 100644 (file)
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -318,6 +318,8 @@ struct ftrace_retfunc {
        unsigned long func; /* Current function */
        unsigned long long calltime;
        unsigned long long rettime;
+       /* Number of functions that overran the depth limit for current task */
+       unsigned long overrun;
 };
 
 #ifdef CONFIG_FUNCTION_RET_TRACER