diff options
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 3d8239fee004..0d2d3a2ea7dd 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -400,14 +400,19 @@ static void trace_graph_thresh_return(struct ftrace_graph_ret *trace, struct fgraph_ops *gops, struct ftrace_regs *fregs) { + unsigned long *task_var = fgraph_get_task_var(gops); struct fgraph_times *ftimes; struct trace_array *tr; + unsigned int trace_ctx; + u64 calltime, rettime; int size; + rettime = trace_clock_local(); + ftrace_graph_addr_finish(gops, trace); - if (trace_recursion_test(TRACE_GRAPH_NOTRACE_BIT)) { - trace_recursion_clear(TRACE_GRAPH_NOTRACE_BIT); + if (*task_var & TRACE_GRAPH_NOTRACE) { + *task_var &= ~TRACE_GRAPH_NOTRACE; return; } @@ -418,11 +423,13 @@ static void trace_graph_thresh_return(struct ftrace_graph_ret *trace, tr = gops->private; handle_nosleeptime(tr, trace, ftimes, size); - if (tracing_thresh && - (trace_clock_local() - ftimes->calltime < tracing_thresh)) + calltime = ftimes->calltime; + + if (tracing_thresh && (rettime - calltime < tracing_thresh)) return; - else - trace_graph_return(trace, gops, fregs); + + trace_ctx = tracing_gen_ctx(); + __trace_graph_return(tr, trace, trace_ctx, calltime, rettime); } static struct fgraph_ops funcgraph_ops = { |