diff options
Diffstat (limited to 'kernel/trace/trace_irqsoff.c')
| -rw-r--r-- | kernel/trace/trace_irqsoff.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index fce064e20570..a4e799c1e767 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -182,6 +182,7 @@ static int irqsoff_graph_entry(struct ftrace_graph_ent *trace, struct trace_array_cpu *data; unsigned long flags; unsigned int trace_ctx; + u64 *calltime; int ret; if (ftrace_graph_ignore_func(gops, trace)) @@ -199,6 +200,12 @@ static int irqsoff_graph_entry(struct ftrace_graph_ent *trace, if (!func_prolog_dec(tr, &data, &flags)) return 0; + calltime = fgraph_reserve_data(gops->idx, sizeof(*calltime)); + if (!calltime) + return 0; + + *calltime = trace_clock_local(); + trace_ctx = tracing_gen_ctx_flags(flags); ret = __trace_graph_entry(tr, trace, trace_ctx); atomic_dec(&data->disabled); @@ -213,12 +220,19 @@ static void irqsoff_graph_return(struct ftrace_graph_ret *trace, struct trace_array_cpu *data; unsigned long flags; unsigned int trace_ctx; + u64 *calltime; + int size; ftrace_graph_addr_finish(gops, trace); if (!func_prolog_dec(tr, &data, &flags)) return; + calltime = fgraph_retrieve_data(gops->idx, &size); + if (!calltime) + return; + trace->calltime = *calltime; + trace_ctx = tracing_gen_ctx_flags(flags); __trace_graph_return(tr, trace, trace_ctx); atomic_dec(&data->disabled); |