From 5e99ea7f111134c7a1c7103590b711d59edafa9b Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Sun, 11 Dec 2022 02:51:47 +0100
Subject: Adding support for exec based tracking (unstable)

---
 util/.gitignore |  2 ++
 util/debug.c    | 26 ++++++++++++++++++++++++++
 util/reset.c    | 29 +++++++++++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 util/.gitignore
 create mode 100644 util/debug.c
 create mode 100644 util/reset.c

(limited to 'util')

diff --git a/util/.gitignore b/util/.gitignore
new file mode 100644
index 0000000..52ab6d3
--- /dev/null
+++ b/util/.gitignore
@@ -0,0 +1,2 @@
+debug
+reset
diff --git a/util/debug.c b/util/debug.c
new file mode 100644
index 0000000..7a1e259
--- /dev/null
+++ b/util/debug.c
@@ -0,0 +1,26 @@
+#include "cachepc/uapi.h"
+
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <err.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+int
+main(int argc, const char **argv)
+{
+	uint32_t arg;
+	int fd, ret;
+
+	fd = open("/dev/kvm", O_RDONLY);
+	if (fd < 0) err(1, "open");
+
+	arg = argc > 1 ?  atoi(argv[1]) : 1;
+	ret = ioctl(fd, KVM_CPC_DEBUG, &arg);
+	if (ret == -1) err(1, "ioctl DEBUG");
+
+	close(fd);
+}
diff --git a/util/reset.c b/util/reset.c
new file mode 100644
index 0000000..125a2b6
--- /dev/null
+++ b/util/reset.c
@@ -0,0 +1,29 @@
+#include "cachepc/uapi.h"
+
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <err.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+int
+main(int argc, const char **argv)
+{
+	uint64_t arg;
+	int fd, ret;
+
+	fd = open("/dev/kvm", O_RDONLY);
+	if (fd < 0) err(1, "open");
+
+	ret = ioctl(fd, KVM_CPC_RESET_TRACKING);
+	if (ret) warn("ioctl RESET_TRACKING");
+
+	arg = 0;
+	ret = ioctl(fd, KVM_CPC_ACK_EVENT, &arg);
+	if (ret) warn("ioctl ACK_EVENT");
+
+	close(fd);
+}
-- 
cgit v1.2.3-71-gd317