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| author | Steven Rostedt <srostedt@redhat.com> | 2009-03-24 23:17:58 -0400 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-24 23:41:11 -0400 |
| commit | a2a16d6a3156ef7309ca7328a20c35df9418e670 (patch) | |
| tree | 8f21d9c56eb34f9bd1057929661c96d04329dd69 /include/linux/ftrace.h | |
| parent | cafb168a1c92e4c9e1731fe3d666c39611762c49 (diff) | |
| download | linux-a2a16d6a3156ef7309ca7328a20c35df9418e670.tar.gz linux-a2a16d6a3156ef7309ca7328a20c35df9418e670.tar.bz2 linux-a2a16d6a3156ef7309ca7328a20c35df9418e670.zip | |
function-graph: add option to calculate graph time or not
graph time is the time that a function is executing another function.
Thus if function A calls B, if graph-time is set, then the time for
A includes B. This is the default behavior. But if graph-time is off,
then the time spent executing B is subtracted from A.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'include/linux/ftrace.h')
| -rw-r--r-- | include/linux/ftrace.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 015a3d22cf74..9e0a8d245e55 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -365,6 +365,7 @@ struct ftrace_ret_stack { unsigned long ret; unsigned long func; unsigned long long calltime; + unsigned long long subtime; }; /* @@ -376,8 +377,6 @@ extern void return_to_handler(void); extern int ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth); -extern void -ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret); /* * Sometimes we don't want to trace a function with the function |