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Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index ca98445782ac..86e45c2658e4 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -83,13 +83,18 @@ static struct tracer_opt trace_opts[] = {
{ TRACER_OPT(funcgraph-irqs, TRACE_GRAPH_PRINT_IRQS) },
/* Display function name after trailing } */
{ TRACER_OPT(funcgraph-tail, TRACE_GRAPH_PRINT_TAIL) },
+ /* Include sleep time (scheduled out) between entry and return */
+ { TRACER_OPT(sleep-time, TRACE_GRAPH_SLEEP_TIME) },
+ /* Include time within nested functions */
+ { TRACER_OPT(graph-time, TRACE_GRAPH_GRAPH_TIME) },
{ } /* Empty entry */
};
static struct tracer_flags tracer_flags = {
/* Don't display overruns, proc, or tail by default */
.val = TRACE_GRAPH_PRINT_CPU | TRACE_GRAPH_PRINT_OVERHEAD |
- TRACE_GRAPH_PRINT_DURATION | TRACE_GRAPH_PRINT_IRQS,
+ TRACE_GRAPH_PRINT_DURATION | TRACE_GRAPH_PRINT_IRQS |
+ TRACE_GRAPH_SLEEP_TIME | TRACE_GRAPH_GRAPH_TIME,
.opts = trace_opts
};
@@ -1362,6 +1367,12 @@ func_graph_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set)
if (bit == TRACE_GRAPH_PRINT_IRQS)
ftrace_graph_skip_irqs = !set;
+ if (bit == TRACE_GRAPH_SLEEP_TIME)
+ ftrace_graph_sleep_time_control(set);
+
+ if (bit == TRACE_GRAPH_GRAPH_TIME)
+ ftrace_graph_graph_time_control(set);
+
return 0;
}