From 8dc6462e70009c0bbcf0bbfcfd2d4494d3772580 Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Tue, 26 Jul 2022 17:16:10 +0200
Subject: Single eviction test with sleep

---
 read.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 read.c

(limited to 'read.c')

diff --git a/read.c b/read.c
new file mode 100644
index 0000000..28d7b8a
--- /dev/null
+++ b/read.c
@@ -0,0 +1,31 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <assert.h>
+#include <unistd.h>
+
+int
+main(int argc, const char **argv)
+{
+	uint16_t counts[64];
+	size_t i, len;
+	int fd;
+
+	fd = open("/proc/cachepc", O_RDONLY);
+	len = read(fd, counts, sizeof(counts));
+	assert(len == sizeof(counts));
+
+	for (i = 0; i < 64; i++) {
+		if (i % 16 == 0 && i)
+			printf("\n");
+		if (counts[i] > 0)
+			printf("\x1b[91m");
+		printf("%2i ", i);
+		if (counts[i] > 0)
+			printf("\x1b[0m");
+	}
+	printf("\n");
+	
+	close(fd);
+}
-- 
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