MFV illumos

4477 DTrace should speak JSON

MFC after:	2 weeks

1 files changed, 61 insertions, 0 deletions

diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/tst.usdt.c b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/tst.usdt.c
new file mode 100644
index 000000000000..307106d903b5
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/tst.usdt.c
@@ -0,0 +1,61 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2012 (c), Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/sdt.h>
+#include "usdt.h"
+
+#define	FMT	"{" \
+		"  \"sizes\": [ \"first\", 2, %f ]," \
+		"  \"index\": %d," \
+		"  \"facts\": {" \
+		"    \"odd\": \"%s\"," \
+		"    \"even\": \"%s\"" \
+		"  }," \
+		"  \"action\": \"%s\"" \
+		"}\n"
+
+int
+waiting(volatile int *a)
+{
+	return (*a);
+}
+
+int
+main(int argc, char **argv)
+{
+	volatile int a = 0;
+	int idx;
+	double size = 250.5;
+
+	while (waiting(&a) == 0)
+		continue;
+
+	for (idx = 0; idx < 10; idx++) {
+		char *odd, *even, *json, *action;
+
+		size *= 1.78;
+		odd = idx % 2 == 1 ? "true" : "false";
+		even = idx % 2 == 0 ? "true" : "false";
+		action = idx == 7 ? "ignore" : "print";
+
+		asprintf(&json, FMT, size, idx, odd, even, action);
+		BUNYAN_FAKE_LOG_DEBUG(json);
+		free(json);
+	}
+
+	BUNYAN_FAKE_LOG_DEBUG("{\"finished\": true}");
+
+	return (0);
+}