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Subject[RFC PATCH 3/5] tracing/events: modify irq print to new format
From: Steven Rostedt <srostedt@redhat.com>

Use new format for better parsing of irq events.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
include/trace/events/irq.h | 35 ++++++++++++++++-------------------
1 files changed, 16 insertions(+), 19 deletions(-)
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index b0c7ede..e1350fc 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -7,18 +7,18 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM irq

-#define softirq_name(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(TASKLET), \
- softirq_name(SCHED), \
- softirq_name(HRTIMER), \
- softirq_name(RCU))
+#define softirq_name(sirq) sirq##_SOFTIRQ, #sirq
+#define show_softirq_name(val) \
+ "%d=%s,%d=%s,%d=%s,%d=%s,%d=%s,%d=%s,%d=%s,%d=%s,%d=%s>", \
+ softirq_name(HI), \
+ softirq_name(TIMER), \
+ softirq_name(NET_TX), \
+ softirq_name(NET_RX), \
+ softirq_name(BLOCK), \
+ softirq_name(TASKLET), \
+ softirq_name(SCHED), \
+ softirq_name(HRTIMER), \
+ softirq_name(RCU)

/**
* irq_handler_entry - called immediately before the irq action handler
@@ -47,7 +47,7 @@ TRACE_EVENT(irq_handler_entry,
__assign_str(name, action->name);
),

- TP_printk("irq=%d handler=%s", __entry->irq, __get_str(name))
+ TP_FORMAT("irq=<int:irq> handler=<string:name>")
);

/**
@@ -77,8 +77,7 @@ TRACE_EVENT(irq_handler_exit,
__entry->ret = ret;
),

- TP_printk("irq=%d return=%s",
- __entry->irq, __entry->ret ? "handled" : "unhandled")
+ TP_FORMAT("irq=<int:irq> return=<if:ret:handled:unhandled>")
);

/**
@@ -106,8 +105,7 @@ TRACE_EVENT(softirq_entry,
__entry->vec = (int)(h - vec);
),

- TP_printk("softirq=%d action=%s", __entry->vec,
- show_softirq_name(__entry->vec))
+ TP_FORMAT("softirq=<int:vec> action=<sym:vec:" show_softirq_name(__entry->vec))
);

/**
@@ -135,8 +133,7 @@ TRACE_EVENT(softirq_exit,
__entry->vec = (int)(h - vec);
),

- TP_printk("softirq=%d action=%s", __entry->vec,
- show_softirq_name(__entry->vec))
+ TP_FORMAT("softirq=<int:vec> action=<sym:vec:" show_softirq_name(__entry->vec))
);

#endif /* _TRACE_IRQ_H */
--
1.6.3.1
--


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