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authorLouis Burda <quent.burda@gmail.com>2022-11-22 15:03:02 +0100
committerLouis Burda <quent.burda@gmail.com>2022-11-22 15:03:02 +0100
commit82d56ef77c114ac0b375fef04cea3a50f10f1843 (patch)
tree397acfbcb5f1c2584a03f6201d95120d6f299361 /test/access-detect_guest.c
parentafe49b52f6b2ac52efe8e610e64ee07c7c2efef4 (diff)
downloadcachepc-82d56ef77c114ac0b375fef04cea3a50f10f1843.tar.gz
cachepc-82d56ef77c114ac0b375fef04cea3a50f10f1843.zip
Improved single stepping and added initial cpuid events
Diffstat (limited to 'test/access-detect_guest.c')
-rw-r--r--test/access-detect_guest.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/access-detect_guest.c b/test/access-detect_guest.c
new file mode 100644
index 0000000..442c88c
--- /dev/null
+++ b/test/access-detect_guest.c
@@ -0,0 +1,26 @@
+#include "cachepc/uapi.h"
+
+#include <err.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+int
+main(int argc, const char **argv)
+{
+ void *buf;
+
+ buf = NULL;
+ if (posix_memalign(&buf, L1_LINESIZE * L1_SETS, L1_LINESIZE * L1_SETS))
+ err(1, "memalign");
+ memset(buf, 0, L1_LINESIZE * L1_SETS);
+
+ while (1) {
+ CPC_CPUID_SIGNAL(CPC_CPUID_START_TRACK, 0);
+
+ *(uint8_t *)(buf + L1_LINESIZE * 5) += 1;
+
+ CPC_CPUID_SIGNAL(CPC_CPUID_START_TRACK, 0);
+ }
+}