Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

1 files changed, 36 insertions, 0 deletions

diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
new file mode 100644
index 000000000000..1429c131879d
--- /dev/null
+++ b/arch/um/kernel/syscall.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include "kern_util.h"
+#include "syscall.h"
+#include "os.h"
+
+struct {
+	int syscall;
+	int pid;
+	long result;
+	unsigned long long start;
+	unsigned long long end;
+} syscall_record[1024];
+
+int record_syscall_start(int syscall)
+{
+	int max, index;
+
+	max = sizeof(syscall_record)/sizeof(syscall_record[0]);
+	index = next_syscall_index(max);
+
+	syscall_record[index].syscall = syscall;
+	syscall_record[index].pid = current_pid();
+	syscall_record[index].result = 0xdeadbeef;
+	syscall_record[index].start = os_usecs();
+	return(index);
+}
+
+void record_syscall_end(int index, long result)
+{
+	syscall_record[index].result = result;
+	syscall_record[index].end = os_usecs();
+}