diff options
Diffstat (limited to 'kernel/trace/trace_irqsoff.c')
| -rw-r--r-- | kernel/trace/trace_irqsoff.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index c834b95cbe0b..eaf5291bcf63 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -58,13 +58,13 @@ irq_trace(void) #ifdef CONFIG_FUNCTION_GRAPH_TRACER static int irqsoff_display_graph(struct trace_array *tr, int set); -# define is_graph() (trace_flags & TRACE_ITER_DISPLAY_GRAPH) +# define is_graph(tr) ((tr)->trace_flags & TRACE_ITER_DISPLAY_GRAPH) #else static inline int irqsoff_display_graph(struct trace_array *tr, int set) { return -EINVAL; } -# define is_graph() false +# define is_graph(tr) false #endif /* @@ -149,7 +149,7 @@ static int irqsoff_display_graph(struct trace_array *tr, int set) { int cpu; - if (!(is_graph() ^ set)) + if (!(is_graph(tr) ^ set)) return 0; stop_irqsoff_tracer(irqsoff_trace, !set); @@ -198,7 +198,7 @@ static void irqsoff_graph_return(struct ftrace_graph_ret *trace) static void irqsoff_trace_open(struct trace_iterator *iter) { - if (is_graph()) + if (is_graph(iter->tr)) graph_trace_open(iter); } @@ -220,7 +220,7 @@ static enum print_line_t irqsoff_print_line(struct trace_iterator *iter) * In graph mode call the graph tracer output function, * otherwise go with the TRACE_FN event handler */ - if (is_graph()) + if (is_graph(iter->tr)) return print_graph_function_flags(iter, GRAPH_TRACER_FLAGS); return TRACE_TYPE_UNHANDLED; @@ -228,7 +228,9 @@ static enum print_line_t irqsoff_print_line(struct trace_iterator *iter) static void irqsoff_print_header(struct seq_file *s) { - if (is_graph()) + struct trace_array *tr = irqsoff_trace; + + if (is_graph(tr)) print_graph_headers_flags(s, GRAPH_TRACER_FLAGS); else trace_default_header(s); @@ -239,7 +241,7 @@ __trace_function(struct trace_array *tr, unsigned long ip, unsigned long parent_ip, unsigned long flags, int pc) { - if (is_graph()) + if (is_graph(tr)) trace_graph_function(tr, ip, parent_ip, flags, pc); else trace_function(tr, ip, parent_ip, flags, pc); @@ -516,7 +518,7 @@ static int register_irqsoff_function(struct trace_array *tr, int graph, int set) int ret; /* 'set' is set if TRACE_ITER_FUNCTION is about to be set */ - if (function_enabled || (!set && !(trace_flags & TRACE_ITER_FUNCTION))) + if (function_enabled || (!set && !(tr->trace_flags & TRACE_ITER_FUNCTION))) return 0; if (graph) @@ -550,9 +552,9 @@ static int irqsoff_function_set(struct trace_array *tr, u32 mask, int set) return 0; if (set) - register_irqsoff_function(tr, is_graph(), 1); + register_irqsoff_function(tr, is_graph(tr), 1); else - unregister_irqsoff_function(tr, is_graph()); + unregister_irqsoff_function(tr, is_graph(tr)); return 1; } #else @@ -610,7 +612,7 @@ static int __irqsoff_tracer_init(struct trace_array *tr) if (irqsoff_busy) return -EBUSY; - save_flags = trace_flags; + save_flags = tr->trace_flags; /* non overwrite screws up the latency tracers */ set_tracer_flag(tr, TRACE_ITER_OVERWRITE, 1); @@ -626,7 +628,7 @@ static int __irqsoff_tracer_init(struct trace_array *tr) /* Only toplevel instance supports graph tracing */ if (start_irqsoff_tracer(tr, (tr->flags & TRACE_ARRAY_FL_GLOBAL && - is_graph()))) + is_graph(tr)))) printk(KERN_ERR "failed to start irqsoff tracer\n"); irqsoff_busy = true; @@ -638,7 +640,7 @@ static void irqsoff_tracer_reset(struct trace_array *tr) int lat_flag = save_flags & TRACE_ITER_LATENCY_FMT; int overwrite_flag = save_flags & TRACE_ITER_OVERWRITE; - stop_irqsoff_tracer(tr, is_graph()); + stop_irqsoff_tracer(tr, is_graph(tr)); set_tracer_flag(tr, TRACE_ITER_LATENCY_FMT, lat_flag); set_tracer_flag(tr, TRACE_ITER_OVERWRITE, overwrite_flag); |