1 files changed, 115 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/jit_utils/jit_utils.cpp b/thirdparty/oidn/mkl-dnn/src/cpu/jit_utils/jit_utils.cpp
new file mode 100644
index 0000000000..08747aa89c
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/cpu/jit_utils/jit_utils.cpp
@@ -0,0 +1,115 @@
+/*******************************************************************************
+* Copyright 2019 Intel Corporation
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*******************************************************************************/
+
+#include <mutex>
+
+#include "utils.hpp"
+
+#ifndef MKLDNN_ENABLE_JIT_PROFILING
+#define MKLDNN_ENABLE_JIT_PROFILING 1
+#endif
+
+#ifndef MKLDNN_ENABLE_JIT_DUMP
+#define MKLDNN_ENABLE_JIT_DUMP 1
+#endif
+
+#if MKLDNN_ENABLE_JIT_PROFILING
+#include "jitprofiling/jitprofiling.h"
+#endif
+
+namespace mkldnn {
+namespace impl {
+namespace cpu {
+namespace jit_utils {
+
+// WARNING: These functions are not thread safe and must be protected by a
+// mutex
+
+void dump_jit_code(const void *code, size_t code_size, const char *code_name)
+{
+#if MKLDNN_ENABLE_JIT_DUMP
+    if (code && jit_dump_enabled()) {
+        static int counter = 0;
+#define MAX_FNAME_LEN 256
+        char fname[MAX_FNAME_LEN + 1];
+        // TODO (Roma): support prefix for code / linux perf dumps
+        snprintf(fname, MAX_FNAME_LEN, "mkldnn_dump_%s.%d.bin", code_name,
+                counter);
+        counter++;
+
+        FILE *fp = fopen(fname, "w+");
+        // Failure to dump code is not fatal
+        if (fp) {
+            size_t unused = fwrite(code, code_size, 1, fp);
+            UNUSED(unused);
+            fclose(fp);
+        }
+    }
+#undef MAX_FNAME_LEN
+#else
+    UNUSED(code);
+    UNUSED(code_size);
+    UNUSED(code_name);
+#endif
+}
+
+void register_jit_code_vtune(const void *code, size_t code_size,
+        const char *code_name, const char *source_file_name)
+{
+#if MKLDNN_ENABLE_JIT_PROFILING
+    if (iJIT_IsProfilingActive() == iJIT_SAMPLING_ON) {
+        auto jmethod = iJIT_Method_Load();
+        jmethod.method_id = iJIT_GetNewMethodID(); // XXX: not thread-safe
+        jmethod.method_name = (char *)code_name; // XXX: dropping const
+        jmethod.class_file_name = NULL;
+        jmethod.source_file_name = (char *)source_file_name; // XXX: dropping const
+        jmethod.method_load_address = (void *)code;
+        jmethod.method_size = (unsigned int)code_size;
+
+        iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED,
+                (void*)&jmethod);
+    }
+#else
+    UNUSED(code);
+    UNUSED(code_size);
+    UNUSED(code_name);
+    UNUSED(source_file_name);
+#endif
+}
+
+void register_jit_code(const void *code, size_t code_size,
+        const char *code_name, const char *source_file_name)
+{
+    // The #ifdef guards are required to avoid generating a function that only
+    // consists of lock and unlock code
+#if MKLDNN_ENABLE_JIT_PROFILING || MKLDNN_ENABLE_JIT_DUMP
+    static std::mutex m;
+    std::lock_guard<std::mutex> guard(m);
+
+    dump_jit_code(code, code_size, code_name);
+    register_jit_code_vtune(code, code_size, code_name, source_file_name);
+#else
+    UNUSED(code);
+    UNUSED(code_size);
+    UNUSED(code_name);
+    UNUSED(source_file_name);
+#endif
+}
+
+}
+}
+}
+}