Norman Feske
Christian Helmuth
parent
9f1beaa036
commit
e304bd926e
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#
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# Build
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#
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if {[have_spec hw_odroid_xu]} {
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puts "Run script not supported for this platform."; exit 0 }
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set build_components { core init test/fb_bench drivers/framebuffer drivers/timer }
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source ${genode_dir}/repos/base/run/platform_drv.inc
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append_platform_drv_build_components
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build $build_components
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create_boot_directory
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#
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# Generate config
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#
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append config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="CAP"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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<service name="SIGNAL"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>}
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append_if [have_spec sdl] config {
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<start name="fb_sdl">
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<resource name="RAM" quantum="4M"/>
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<provides>
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<service name="Input"/>
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<service name="Framebuffer"/>
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</provides>
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</start>}
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append_platform_drv_config
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append_if [have_spec framebuffer] config {
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<start name="fb_drv">
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<resource name="RAM" quantum="8M"/>
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<provides><service name="Framebuffer"/></provides>
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</start>}
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append config {
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<start name="test-fb_bench">
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<resource name="RAM" quantum="92M"/>
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</start>
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</config>}
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install_config $config
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#
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# Boot modules
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#
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# generic modules
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set boot_modules {
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core init timer
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test-fb_bench
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}
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# platform-specific modules
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append_platform_drv_boot_modules
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lappend_if [have_spec sdl] boot_modules fb_sdl
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lappend_if [have_spec framebuffer] boot_modules fb_drv
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build_boot_image $boot_modules
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run_genode_until forever
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@ -0,0 +1,138 @@
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/*
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* \brief Framebuffer throughput test
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* \author Norman Feske
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* \date 2015-06-05
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*/
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/*
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* Copyright (C) 2012-2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/env.h>
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#include <base/printf.h>
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#include <os/attached_dataspace.h>
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#include <blit/blit.h>
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#include <framebuffer_session/connection.h>
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#include <timer_session/connection.h>
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static unsigned long now_ms()
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{
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static Timer::Connection timer;
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return timer.elapsed_ms();
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}
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int main(int argc, char **argv)
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{
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using namespace Genode;
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printf("--- test-fb_bench started ---\n");
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static Framebuffer::Connection fb;
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static Attached_dataspace fb_ds(fb.dataspace());
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static Framebuffer::Mode const fb_mode = fb.mode();
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/*
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* Allocate two memory buffers as big as the framebuffer.
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*/
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char *src_buf[2];
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for (unsigned i = 0; i < 2; i++)
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src_buf[i] = (char *)env()->heap()->alloc(fb_ds.size());
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/* duration of individual test, in milliseconds */
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unsigned long duration_ms = 2000;
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printf("byte-wise memcpy from RAM to RAM...\n");
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{
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unsigned long transferred_kib = 0;
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unsigned long const start_ms = now_ms();
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for (; now_ms() - start_ms < duration_ms;) {
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memcpy(src_buf[0], src_buf[1], fb_ds.size());
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transferred_kib += fb_ds.size() / 1024;
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}
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unsigned long const end_ms = now_ms();
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printf("-> %ld MiB/sec\n",
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(transferred_kib)/(end_ms - start_ms));
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}
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/*
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* Fill one memory buffer with white pixels.
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*/
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memset(src_buf[1], ~0, fb_ds.size());
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printf("byte-wise memcpy from RAM to framebuffer...\n");
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{
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unsigned long transferred_kib = 0;
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unsigned long const start_ms = now_ms();
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for (unsigned i = 0; now_ms() - start_ms < duration_ms; i++) {
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memcpy(fb_ds.local_addr<char>(), src_buf[i % 2], fb_ds.size());
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transferred_kib += fb_ds.size() / 1024;
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}
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unsigned long const end_ms = now_ms();
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printf("-> %ld MiB/sec\n",
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(transferred_kib)/(end_ms - start_ms));
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}
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/*
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* Blitting via the blit library from RAM to framebuffer
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*/
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printf("copy via blit library from RAM to framebuffer...\n");
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{
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unsigned long transferred_kib = 0;
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unsigned long const start_ms = now_ms();
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/* line width in bytes */
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unsigned const w = fb_mode.width() * fb_mode.bytes_per_pixel();
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unsigned const h = fb_mode.height();
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for (unsigned i = 0; now_ms() - start_ms < duration_ms; i++) {
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blit(src_buf[i % 2], w, fb_ds.local_addr<char>(), w, w, h);
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transferred_kib += (w*h) / 1024;
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}
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unsigned long const end_ms = now_ms();
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printf("-> %ld MiB/sec\n",
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(transferred_kib)/(end_ms - start_ms));
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}
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/*
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* Unaligned blitting via the blit library from RAM to framebuffer
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*/
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printf("unaligned copy via blit library from RAM to framebuffer...\n");
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{
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unsigned long transferred_kib = 0;
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unsigned long const start_ms = now_ms();
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/* line width in bytes */
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unsigned const w = fb_mode.width() * fb_mode.bytes_per_pixel();
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unsigned const h = fb_mode.height();
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for (unsigned i = 0; now_ms() - start_ms < duration_ms; i++) {
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blit(src_buf[i % 2] + 2, w, fb_ds.local_addr<char>() + 2, w, w - 2, h);
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transferred_kib += (w*h) / 1024;
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}
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unsigned long const end_ms = now_ms();
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printf("-> %ld MiB/sec\n",
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(transferred_kib)/(end_ms - start_ms));
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}
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printf("--- test-fb_bench finished ---\n");
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return 0;
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}
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@ -0,0 +1,3 @@
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TARGET = test-fb_bench
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SRC_CC = main.cc
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LIBS = base blit
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