1 files changed, 97 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/assembly/profiler.hpp b/arm_compute/core/NEON/kernels/assembly/profiler.hpp
new file mode 100644
index 0000000000..d2f8ba923a
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/assembly/profiler.hpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#pragma once
+
+#ifdef CYCLE_PROFILING
+
+#include "../perf.h"
+
+class profiler {
+private:
+    static const int maxevents = 10000;
+    unsigned long times[maxevents];
+    int events[maxevents];
+    int currentevent;
+    int countfd;
+
+public:
+    profiler() {
+        currentevent=0;
+        countfd=open_cycle_counter();
+    }
+
+    ~profiler() {
+        close(countfd);
+        int tots[5];
+        unsigned long counts[5];
+        const char * descs[] = { "Prepare A", "Prepare B", "Kernel", "Merge" };
+
+        for (int i=1; i<5; i++) {
+            tots[i] = 0;
+            counts[i] = 0;
+        }
+
+        printf("Profiled events:\n");
+        for (int i=0; i<currentevent; i++) {
+            printf("%10s: %ld\n", descs[events[i]-1], times[i]);
+            tots[events[i]]++;
+            counts[events[i]] += times[i];
+        }
+
+        printf("%20s  %9s %9s %9s\n", "", "Events", "Total", "Average");
+        for (int i=1; i<5; i++) {
+            printf("%20s: %9d %9ld %9ld\n",descs[i-1],tots[i],counts[i],counts[i]/tots[i]);
+        }
+    }
+
+    template <typename T>
+    void operator() (int i, T func) {
+        if (currentevent==maxevents) {
+            func();
+        } else {
+            start_counter(countfd);
+            func();
+            long long cycs = stop_counter(countfd);
+            events[currentevent] = i;
+            times[currentevent++] = cycs;
+        }
+    }
+};
+
+#else
+
+class profiler {
+public:
+    template <typename T>
+    void operator() (int i, T func) {
+        func();
+    }
+};
+
+#endif
+
+#define PROFILE_PREPA 1
+#define PROFILE_PREPB 2
+#define PROFILE_KERNEL 3
+#define PROFILE_MERGE 4