From e8a4983c7bc00ad105389876a8eddd89ed4ef056 Mon Sep 17 00:00:00 2001
From: Anthony Barbier <anthony.barbier@arm.com>
Date: Thu, 18 Jan 2018 10:04:05 +0000
Subject: COMPMID-798 Add instrumentation to NEON kernels

Change-Id: I9dbb090cac731d68bd98a7d1c8ab0e1cb0a5c911
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/116746
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Anthony Barbier <anthony.barbier@arm.com>
---
 tests/framework/instruments/SchedulerTimer.cpp | 116 +++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 tests/framework/instruments/SchedulerTimer.cpp

(limited to 'tests/framework/instruments/SchedulerTimer.cpp')

diff --git a/tests/framework/instruments/SchedulerTimer.cpp b/tests/framework/instruments/SchedulerTimer.cpp
new file mode 100644
index 0000000000..e42cebde21
--- /dev/null
+++ b/tests/framework/instruments/SchedulerTimer.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2017-2018 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.
+ */
+#include "SchedulerTimer.h"
+
+#include "WallClockTimer.h"
+#include "arm_compute/core/CPP/ICPPKernel.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace framework
+{
+std::string SchedulerTimer::id() const
+{
+    return "SchedulerTimer";
+}
+
+class Interceptor final : public IScheduler
+{
+public:
+    /** Default constructor. */
+    Interceptor(std::list<SchedulerTimer::kernel_info> &kernels, IScheduler &real_scheduler, ScaleFactor scale_factor)
+        : _kernels(kernels), _real_scheduler(real_scheduler), _timer(scale_factor)
+    {
+    }
+
+    void set_num_threads(unsigned int num_threads) override
+    {
+        _real_scheduler.set_num_threads(num_threads);
+    }
+
+    unsigned int num_threads() const override
+    {
+        return _real_scheduler.num_threads();
+    }
+
+    void schedule(ICPPKernel *kernel, unsigned int split_dimension) override
+    {
+        _timer.start();
+        _real_scheduler.schedule(kernel, split_dimension);
+        _timer.stop();
+
+        SchedulerTimer::kernel_info info;
+        info.name         = kernel->name();
+        info.measurements = _timer.measurements();
+        _kernels.push_back(std::move(info));
+    }
+
+private:
+    std::list<SchedulerTimer::kernel_info> &_kernels;
+    IScheduler                             &_real_scheduler;
+    WallClockTimer                          _timer;
+};
+
+SchedulerTimer::SchedulerTimer(ScaleFactor scale_factor)
+    : _kernels(), _real_scheduler(nullptr), _real_scheduler_type(), _scale_factor(scale_factor)
+{
+}
+
+void SchedulerTimer::start()
+{
+    ARM_COMPUTE_ERROR_ON(_real_scheduler != nullptr);
+    _real_scheduler_type = Scheduler::get_type();
+    //Note: We can't currently replace a custom scheduler
+    if(_real_scheduler_type != Scheduler::Type::CUSTOM)
+    {
+        _real_scheduler  = &Scheduler::get();
+        auto interceptor = std::make_shared<Interceptor>(_kernels, *_real_scheduler, _scale_factor);
+        Scheduler::set(std::static_pointer_cast<IScheduler>(interceptor));
+    }
+    _kernels.clear();
+}
+
+void SchedulerTimer::stop()
+{
+    // Restore real scheduler
+    Scheduler::set(_real_scheduler_type);
+    _real_scheduler = nullptr;
+}
+
+Instrument::MeasurementsMap SchedulerTimer::measurements() const
+{
+    MeasurementsMap measurements;
+    unsigned int    kernel_number = 0;
+    for(auto kernel : _kernels)
+    {
+        measurements.emplace(kernel.name + " #" + support::cpp11::to_string(kernel_number++), kernel.measurements.begin()->second);
+    }
+
+    return measurements;
+}
+} // namespace framework
+} // namespace test
+} // namespace arm_compute
-- 
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