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authorIngo Molnar2009-08-26 08:29:02 +0200
committerIngo Molnar2009-08-26 08:29:02 +0200
commit35dce1a99d010f3d738af4ce1b9b77302fdfe69c (patch)
treee34a37de965a79a2ae301de4d0557f500111dde6 /include/trace
parent7cb2e3ee2aeec5b83ecadba929a2dc575dd4008f (diff)
parent1c569f0264ea629c10bbab471dd0626ce4d3f19f (diff)
Merge branch 'tracing/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/core
Conflicts: include/linux/tracepoint.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/define_trace.h5
-rw-r--r--include/trace/events/syscalls.h70
-rw-r--r--include/trace/ftrace.h9
-rw-r--r--include/trace/syscall.h17
4 files changed, 84 insertions, 17 deletions
diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h
index cd150b9d8e32..a89ed590597a 100644
--- a/include/trace/define_trace.h
+++ b/include/trace/define_trace.h
@@ -26,6 +26,11 @@
#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
DEFINE_TRACE(name)
+#undef TRACE_EVENT_FN
+#define TRACE_EVENT_FN(name, proto, args, tstruct, \
+ assign, print, reg, unreg) \
+ DEFINE_TRACE_FN(name, reg, unreg)
+
#undef DECLARE_TRACE
#define DECLARE_TRACE(name, proto, args) \
DEFINE_TRACE(name)
diff --git a/include/trace/events/syscalls.h b/include/trace/events/syscalls.h
new file mode 100644
index 000000000000..397dff2dbd5a
--- /dev/null
+++ b/include/trace/events/syscalls.h
@@ -0,0 +1,70 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM syscalls
+
+#if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENTS_SYSCALLS_H
+
+#include <linux/tracepoint.h>
+
+#include <asm/ptrace.h>
+#include <asm/syscall.h>
+
+
+#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
+
+extern void syscall_regfunc(void);
+extern void syscall_unregfunc(void);
+
+TRACE_EVENT_FN(sys_enter,
+
+ TP_PROTO(struct pt_regs *regs, long id),
+
+ TP_ARGS(regs, id),
+
+ TP_STRUCT__entry(
+ __field( long, id )
+ __array( unsigned long, args, 6 )
+ ),
+
+ TP_fast_assign(
+ __entry->id = id;
+ syscall_get_arguments(current, regs, 0, 6, __entry->args);
+ ),
+
+ TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
+ __entry->id,
+ __entry->args[0], __entry->args[1], __entry->args[2],
+ __entry->args[3], __entry->args[4], __entry->args[5]),
+
+ syscall_regfunc, syscall_unregfunc
+);
+
+TRACE_EVENT_FN(sys_exit,
+
+ TP_PROTO(struct pt_regs *regs, long ret),
+
+ TP_ARGS(regs, ret),
+
+ TP_STRUCT__entry(
+ __field( long, id )
+ __field( long, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->id = syscall_get_nr(current, regs);
+ __entry->ret = ret;
+ ),
+
+ TP_printk("NR %ld = %ld",
+ __entry->id, __entry->ret),
+
+ syscall_regfunc, syscall_unregfunc
+);
+
+#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
+
+#endif /* _TRACE_EVENTS_SYSCALLS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 1b1f742a6045..360a77ad79e1 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -45,6 +45,15 @@
}; \
static struct ftrace_event_call event_##name
+/* Callbacks are meaningless to ftrace. */
+#undef TRACE_EVENT_FN
+#define TRACE_EVENT_FN(name, proto, args, tstruct, \
+ assign, print, reg, unreg) \
+ TRACE_EVENT(name, TP_PROTO(proto), TP_ARGS(args), \
+ TP_STRUCT__entry(tstruct), \
+ TP_fast_assign(assign), \
+ TP_printk(print))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 9661dd406b93..5dc283ba5ae0 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -8,23 +8,6 @@
#include <asm/ptrace.h>
-extern void syscall_regfunc(void);
-extern void syscall_unregfunc(void);
-
-DECLARE_TRACE_WITH_CALLBACK(syscall_enter,
- TP_PROTO(struct pt_regs *regs, long id),
- TP_ARGS(regs, id),
- syscall_regfunc,
- syscall_unregfunc
-);
-
-DECLARE_TRACE_WITH_CALLBACK(syscall_exit,
- TP_PROTO(struct pt_regs *regs, long ret),
- TP_ARGS(regs, ret),
- syscall_regfunc,
- syscall_unregfunc
-);
-
/*
* A syscall entry in the ftrace syscalls array.
*