Initial overlay of HQEMU 2.5.2 changes onto underlying 2.5.1 QEMU GIT tree2.5.1_overlay

1 files changed, 41 insertions, 0 deletions

diff --git a/llvm/pmu/x86/x86-events.cpp b/llvm/pmu/x86/x86-events.cpp
new file mode 100644
index 0000000..fe25f70
--- /dev/null
+++ b/llvm/pmu/x86/x86-events.cpp
@@ -0,0 +1,41 @@
+/*
+ *  (C) 2018 by Computer System Laboratory, IIS, Academia Sinica, Taiwan.
+ *      See COPYRIGHT in top-level directory.
+ */
+
+#include "pmu/pmu-global.h"
+
+namespace pmu {
+
+#define ICACHE_HIT_CONFIG  (0x83 | (0x1 << 8))   /* skylake/event=0x83,umask=0x1/ */
+#define ICACHE_MISS_CONFIG (0x83 | (0x2 << 8))   /* skylake/event=0x83,umask=0x2/ */
+#define MEM_LOADS_CONFIG   (0xd0 | (0x81 << 8 )) /* skylake/event=0xd0,umask=0x81/ */
+#define MEM_STORES_CONFIG  (0xd0 | (0x82 << 8 )) /* skylake/event=0xd0,umask=0x82/ */
+
+extern EventID PreEvents[PMU_EVENT_MAX];  /* Pre-defined events.   */
+
+static void X86SetupEventCode()
+{
+#define SetupEvent(_Event,_Config)            \
+    PreEvents[_Event].Type   = PERF_TYPE_RAW; \
+    PreEvents[_Event].Config = _Config;
+
+    SetupEvent(PMU_ICACHE_HITS, ICACHE_HIT_CONFIG);
+    SetupEvent(PMU_ICACHE_MISSES, ICACHE_MISS_CONFIG);
+    SetupEvent(PMU_MEM_LOADS, MEM_LOADS_CONFIG);
+    SetupEvent(PMU_MEM_STORES, MEM_STORES_CONFIG);
+
+#undef SetEventCode
+}
+
+int X86Init()
+{
+    X86SetupEventCode();
+    return PMU_OK;
+}
+
+} /* namespace pmu */
+
+/*
+ * vim: ts=8 sts=4 sw=4 expandtab
+ */