diff options
| author |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-11-18 18:44:04 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-12-08 20:54:06 -0500 |
| commit | 761efe8a94cfcd0a3dd90f2008411550f3520b63 (patch) | |
| tree | eb286db507bb8c9407b197055a85adde795fb6c1 /kernel/trace/trace_functions_graph.c | |
| parent | arm64: function_graph: Remove use of FTRACE_NOTRACE_DEPTH (diff) | |
| download | linux-dev-761efe8a94cfcd0a3dd90f2008411550f3520b63.tar.xz linux-dev-761efe8a94cfcd0a3dd90f2008411550f3520b63.zip | |
function_graph: Remove the use of FTRACE_NOTRACE_DEPTH
The curr_ret_stack is no longer set to a negative value when a function is
not to be traced by the function graph tracer. Remove the usage of
FTRACE_NOTRACE_DEPTH, as it is no longer needed.
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to '')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index ecf543df943b..eaf9b1629956 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -115,9 +115,6 @@ unsigned long ftrace_graph_ret_addr(struct task_struct *task, int *idx, if (ret != (unsigned long)return_to_handler) return ret; - if (index < -1) - index += FTRACE_NOTRACE_DEPTH; - if (index < 0) return ret; @@ -675,10 +672,6 @@ print_graph_entry_leaf(struct trace_iterator *iter, cpu_data = per_cpu_ptr(data->cpu_data, cpu); - /* If a graph tracer ignored set_graph_notrace */ - if (call->depth < -1) - call->depth += FTRACE_NOTRACE_DEPTH; - /* * Comments display at + 1 to depth. Since * this is a leaf function, keep the comments @@ -721,10 +714,6 @@ print_graph_entry_nested(struct trace_iterator *iter, struct fgraph_cpu_data *cpu_data; int cpu = iter->cpu; - /* If a graph tracer ignored set_graph_notrace */ - if (call->depth < -1) - call->depth += FTRACE_NOTRACE_DEPTH; - cpu_data = per_cpu_ptr(data->cpu_data, cpu); cpu_data->depth = call->depth; |