Messages in this thread Patch in this message | | | Date | Fri, 27 Mar 2015 17:37:10 -0400 | From | Steven Rostedt <> | Subject | [RFC][PATCH 06/10] irq/tracing: Export enums in tracepoints to user space |
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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
The enums used by the softirq mapping is what is shown in the output of the __print_symbolic() and not their values, that are needed to map them to their strings. Export them to userspace with the TRACE_DEFINE_ENUM() macro so that user space tools can map the enums with their values.
Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <molnar@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- include/trace/events/irq.h | 39 +++++++++++++++++++++++++++------------ 1 file changed, 27 insertions(+), 12 deletions(-)
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h index 3608bebd3d9c..ff8f6c091a15 100644 --- a/include/trace/events/irq.h +++ b/include/trace/events/irq.h @@ -9,19 +9,34 @@ struct irqaction; struct softirq_action; -#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq } +#define SOFTIRQ_NAME_LIST \ + softirq_name(HI) \ + softirq_name(TIMER) \ + softirq_name(NET_TX) \ + softirq_name(NET_RX) \ + softirq_name(BLOCK) \ + softirq_name(BLOCK_IOPOLL) \ + softirq_name(TASKLET) \ + softirq_name(SCHED) \ + softirq_name(HRTIMER) \ + softirq_name_end(RCU) + +#undef softirq_name +#undef softirq_name_end + +#define softirq_name(sirq) TRACE_DEFINE_ENUM(sirq##_SOFTIRQ); +#define softirq_name_end(sirq) TRACE_DEFINE_ENUM(sirq##_SOFTIRQ); + +SOFTIRQ_NAME_LIST + +#undef softirq_name +#undef softirq_name_end + +#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }, +#define softirq_name_end(sirq) { sirq##_SOFTIRQ, #sirq } + #define show_softirq_name(val) \ - __print_symbolic(val, \ - softirq_name(HI), \ - softirq_name(TIMER), \ - softirq_name(NET_TX), \ - softirq_name(NET_RX), \ - softirq_name(BLOCK), \ - softirq_name(BLOCK_IOPOLL), \ - softirq_name(TASKLET), \ - softirq_name(SCHED), \ - softirq_name(HRTIMER), \ - softirq_name(RCU)) + __print_symbolic(val, SOFTIRQ_NAME_LIST) /** * irq_handler_entry - called immediately before the irq action handler -- 2.1.4
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