Module: xenomai-forge
Branch: next
Commit: 734b90a1d8e9b8dabcbc6afeeb8201d7097b43df
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=734b90a1d8e9b8dabcbc6afeeb8201d7097b43df
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue May 27 09:23:23 2014 +0200
cobalt/posix/event: introduce tracepoints
---
kernel/cobalt/posix/event.c | 9 +++-
kernel/cobalt/trace/cobalt-posix.h | 99 ++++++++++++++++++++++++++++++++++++
2 files changed, 107 insertions(+), 1 deletion(-)
diff --git a/kernel/cobalt/posix/event.c b/kernel/cobalt/posix/event.c
index d000291..37b2c81 100644
--- a/kernel/cobalt/posix/event.c
+++ b/kernel/cobalt/posix/event.c
@@ -42,6 +42,7 @@
#include "thread.h"
#include "clock.h"
#include "event.h"
+#include <trace/events/cobalt-posix.h>
struct event_wait_context {
struct xnthread_wait_context wc;
@@ -62,6 +63,8 @@ int cobalt_event_init(struct cobalt_event_shadow __user
*u_event,
struct xnheap *heap;
spl_t s;
+ trace_cobalt_event_init(u_event, value, flags);
+
event = xnmalloc(sizeof(*event));
if (event == NULL)
return -ENOMEM;
@@ -133,7 +136,9 @@ int cobalt_event_wait(struct cobalt_event_shadow __user
*u_event,
tmode = XN_ABSOLUTE;
} else
timeout = XN_NONBLOCK;
- }
+ trace_cobalt_event_timedwait(u_event, bits, mode, &ts);
+ } else
+ trace_cobalt_event_wait(u_event, bits, mode);
xnlock_get_irqsave(&nklock, s);
@@ -268,6 +273,8 @@ int cobalt_event_destroy(struct cobalt_event_shadow __user
*u_event)
int ret = 0;
spl_t s;
+ trace_cobalt_event_destroy(u_event);
+
handle = cobalt_get_handle_from_user(&u_event->handle);
xnlock_get_irqsave(&nklock, s);
diff --git a/kernel/cobalt/trace/cobalt-posix.h
b/kernel/cobalt/trace/cobalt-posix.h
index 27b3a31..6e0f04e 100644
--- a/kernel/cobalt/trace/cobalt-posix.h
+++ b/kernel/cobalt/trace/cobalt-posix.h
@@ -7,6 +7,7 @@
#include <linux/tracepoint.h>
#include <xenomai/posix/cond.h>
#include <xenomai/posix/mqueue.h>
+#include <xenomai/posix/event.h>
#define __timespec_fields(__name) \
__field(__kernel_time_t, tv_sec_##__name) \
@@ -910,6 +911,104 @@ DEFINE_EVENT(cobalt_posix_mqattr, cobalt_mq_setattr,
TP_ARGS(mqd, attr)
);
+#define cobalt_print_evflags(__flags) \
+ __print_flags(__flags, "|", \
+ {COBALT_EVENT_SHARED, "shared"}, \
+ {COBALT_EVENT_PRIO, "prio"})
+
+TRACE_EVENT(cobalt_event_init,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event,
+ unsigned long value, int flags),
+ TP_ARGS(u_event, value, flags),
+ TP_STRUCT__entry(
+ __field(const struct cobalt_event_shadow __user *, u_event)
+ __field(unsigned long, value)
+ __field(int, flags)
+ ),
+ TP_fast_assign(
+ __entry->u_event = u_event;
+ __entry->value = value;
+ __entry->flags = flags;
+ ),
+ TP_printk("event=%p value=%lu flags=%#x(%s)",
+ __entry->u_event, __entry->value,
+ __entry->flags, cobalt_print_evflags(__entry->flags))
+);
+
+#define cobalt_print_evmode(__mode) \
+ __print_symbolic(__mode, \
+ {COBALT_EVENT_ANY, "any"}, \
+ {COBALT_EVENT_ALL, "all"})
+
+TRACE_EVENT(cobalt_event_timedwait,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event,
+ unsigned long bits, int mode,
+ const struct timespec *timeout),
+ TP_ARGS(u_event, bits, mode, timeout),
+ TP_STRUCT__entry(
+ __field(const struct cobalt_event_shadow __user *, u_event)
+ __field(unsigned long, bits)
+ __field(int, mode)
+ __timespec_fields(timeout)
+ ),
+ TP_fast_assign(
+ __entry->u_event = u_event;
+ __entry->bits = bits;
+ __entry->mode = mode;
+ __assign_timespec(timeout, timeout);
+ ),
+ TP_printk("event=%p bits=%#lx mode=%#x(%s) timeout=(%ld.%09ld)",
+ __entry->u_event, __entry->bits, __entry->mode,
+ cobalt_print_evmode(__entry->mode),
+ __timespec_args(timeout))
+);
+
+TRACE_EVENT(cobalt_event_wait,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event,
+ unsigned long bits, int mode),
+ TP_ARGS(u_event, bits, mode),
+ TP_STRUCT__entry(
+ __field(const struct cobalt_event_shadow __user *, u_event)
+ __field(unsigned long, bits)
+ __field(int, mode)
+ ),
+ TP_fast_assign(
+ __entry->u_event = u_event;
+ __entry->bits = bits;
+ __entry->mode = mode;
+ ),
+ TP_printk("event=%p bits=%#lx mode=%#x(%s)",
+ __entry->u_event, __entry->bits, __entry->mode,
+ cobalt_print_evmode(__entry->mode))
+);
+
+DECLARE_EVENT_CLASS(cobalt_event_ident,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event),
+ TP_ARGS(u_event),
+ TP_STRUCT__entry(
+ __field(const struct cobalt_event_shadow __user *, u_event)
+ ),
+ TP_fast_assign(
+ __entry->u_event = u_event;
+ ),
+ TP_printk("event=%p", __entry->u_event)
+);
+
+DEFINE_EVENT(cobalt_event_ident, cobalt_event_destroy,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event),
+ TP_ARGS(u_event)
+);
+
+DEFINE_EVENT(cobalt_event_ident, cobalt_event_sync,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event),
+ TP_ARGS(u_event)
+);
+
+DEFINE_EVENT(cobalt_event_ident, cobalt_event_inquire,
+ TP_PROTO(const struct cobalt_event_shadow __user *u_event),
+ TP_ARGS(u_event)
+);
+
#endif /* _TRACE_COBALT_POSIX_H */
/* This part must be outside protection */
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