深海游弋的鱼 – 第 148 页

WordPress使用WP-PostViews实现网站上显示文章的浏览量

WordPress的使用很方便，但是文章的点击浏览量默认是没有的，本文介绍用WP-PostViews实现网站上显示文章的浏览量的功能。效果如下图所示：

安装WP-PostViews插件

在插件界面中安装WP-PostViews插件，并且启用插件。

修改主题文件(Twenty Fourteen)

修改content.php，找到如下代码：

<div class="entry-meta">
	<?php
		if ( 'post' == get_post_type() )
			twentyfourteen_posted_on();

		if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
	?>
	<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
	<?php
		endif;

		edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );
	?>
</div><!-- .entry-meta -->

<?php

if ( 'post' == get_post_type() )

twentyfourteen_posted_on();

if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :

<?php

endif;

edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );

</div>

在后面添加：

<?php 
	/*View Counter for  wp-postviews*/
	if(function_exists('the_views')) { the_views(); } 
?>

<?php

/*View Counter for wp-postviews*/

if(function_exists('the_views')) { the_views(); }

修改后的结果如下：

<div class="entry-meta">
	<?php
		if ( 'post' == get_post_type() )
			twentyfourteen_posted_on();

		if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
	?>
	<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
	<?php
		endif;

		edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );
	?>
	<?php 
		/*View Counter for  wp-postviews*/
		if(function_exists('the_views')) { the_views(); } 
	?>
</div><!-- .entry-meta -->

<?php

if ( 'post' == get_post_type() )

twentyfourteen_posted_on();

if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :

<?php

endif;

edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );

<?php

/*View Counter for wp-postviews*/

if(function_exists('the_views')) { the_views(); }

</div>

修改主题文件(Twenty Fifteen)

修改content.php，找到如下代码：

<footer class="entry-footer">
	<?php twentyfifteen_entry_meta(); ?>
	<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
</footer><!-- .entry-footer -->

<?php twentyfifteen_entry_meta(); ?>

<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>

</footer>

在后面添加：

<?php 
	/*View Counter for  wp-postviews*/
	if(function_exists('the_views')) { the_views(); } 
?>

<?php

/*View Counter for wp-postviews*/

if(function_exists('the_views')) { the_views(); }

修改后的结果如下：

<footer class="entry-footer">
	<?php twentyfifteen_entry_meta(); ?>
	<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
	<?php 
		/*View Counter for  wp-postviews*/
		if(function_exists('the_views')) { the_views(); } 
	?>
</footer><!-- .entry-footer -->

<?php twentyfifteen_entry_meta(); ?>

<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>

<?php

/*View Counter for wp-postviews*/

if(function_exists('the_views')) { the_views(); }

</footer>

LMbench 3.0移植到Android并测试内存带宽

LMbench是个可移植的，用于评价系统综合性能的多平台开源benchmark，能够测试包括文档读写、内存操作、进程创建销毁开销、网络等性能。通过以下步骤操作，即可将LMbench移植到Android上。

下载LMbench源码

下载地址http://sourceforge.net/projects/lmbench/
也可在本站下载

修改LMbench代码

1.解压缩到指定的目录，保证最终的目录如下：

├── lmbench3/

│ ├── jni/

│ ├── doc/

│ ├── result/

│ ├── scripts/

│ ├── src/

│ ├── ACKNOWLEDGEMENTS

│ ├── CHANGES

│ ├── COPYING

│ ├── COPYING-2

│ ├── hbench-REBUTTAL

│ ├── Makefile

│ ├── README

2.修改“src/bench.h”的38行，40行，注释掉“#include <rpc/rpc.h>”，“#include <rpc/types.h>”，然后添加如下定义

#ifndef S_IREAD 
#define S_IREAD S_IRUSR
#endif

#ifndef S_IWRITE
#define S_IWRITE S_IWUSR
#endif

#ifndef S_IREAD

#define S_IREAD S_IRUSR

#endif

#ifndef S_IWRITE

#define S_IWRITE S_IWUSR

#endif

3.添加根目录下面Android.mk，jni/目录下面内容如下：

# Copyright (C) 2008 The Android Open Source Project
#
# 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.

BUILD_LMBENCH := true

include $(call all-subdir-makefiles)

# 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.

BUILD_LMBENCH := true

include $(call all-subdir-makefiles)

4.添加根目录下面Android.mk，jni/src目录下面内容如下：

# Copyright (C) 2008 The Android Open Source Project
#
# 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.

ifeq ($(BUILD_LMBENCH),true)
LOCAL_PATH := $(call my-dir)
COMMON_CFLAGS := -DANDROID -DHAVE_uint
COMMON_LIBS := lmbench_lib
ANDROID_LMBENCH := true

# Build lmbench_lib
include $(CLEAR_VARS)

LOCAL_SRC_FILES := lib_unix.c lib_timing.c \
   	lib_mem.c lib_stats.c lib_debug.c getopt.c lib_sched.c
ifneq ($(ANDROID_LMBENCH),true)
	LOCAL_SRC_FILES := $(LOCAL_SRC_FILES) lib_tcp.c lib_udp.c
endif
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lmbench_lib

include $(BUILD_STATIC_LIBRARY)

#
# Build mhz on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= mhz.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := mhz

include $(BUILD_EXECUTABLE)

#
# Build bw_file_rd on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_file_rd.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_file_rd

include $(BUILD_EXECUTABLE)

#
# Build bw_mem on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_mem.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_mem

include $(BUILD_EXECUTABLE)

#
# Build bw_mmap_rd on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_mmap_rd.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_mmap_rd

include $(BUILD_EXECUTABLE)

#
# Build bw_pipe on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_pipe.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_pipe

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build bw_tcp on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_tcp.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_tcp

include $(BUILD_EXECUTABLE)
endif

#
# Build bw_unix on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_unix.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := bw_unix

include $(BUILD_EXECUTABLE)

#
# Build lat_cmd on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_cmd.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_cmd

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_connect on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_connect.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_connect

include $(BUILD_EXECUTABLE)
endif

#
# Build lat_ctx on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_ctx.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_ctx

include $(BUILD_EXECUTABLE)

#
# Build lat_fcntl on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fcntl.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_fcntl

include $(BUILD_EXECUTABLE)

#
# Build lat_fs on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fs.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_fs

include $(BUILD_EXECUTABLE)

#
# Build lat_mem_rd on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_mem_rd.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_mem_rd

include $(BUILD_EXECUTABLE)

#
# Build lat_mmap on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_mmap.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_mmap

include $(BUILD_EXECUTABLE)

#
# Build lat_ops on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_ops.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_ops

include $(BUILD_EXECUTABLE)

#
# Build lat_pipe on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_pipe.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_pipe

include $(BUILD_EXECUTABLE)

#
# Build lat_pagefault on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_pagefault.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_pagefault

include $(BUILD_EXECUTABLE)

#
# Build lat_proc on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_proc.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_proc

include $(BUILD_EXECUTABLE)

#
# Build lat_rand on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_rand.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_rand

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_tcp on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_tcp.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_tcp

include $(BUILD_EXECUTABLE)
endif

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_sem on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_sem.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_sem

include $(BUILD_EXECUTABLE)
endif

#
# Build lat_sig on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_sig.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_sig

include $(BUILD_EXECUTABLE)

#
# Build lat_syscall on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_syscall.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_syscall

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_udp on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_udp.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_udp

include $(BUILD_EXECUTABLE)
endif

#
# Build lat_unix on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_unix.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_unix

include $(BUILD_EXECUTABLE)

#
# Build lat_usleep on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_usleep.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags) -DTRUE=1 -DFALSE=0
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_usleep

include $(BUILD_EXECUTABLE)

#
# Build cache on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= cache.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := cache

include $(BUILD_EXECUTABLE)

#
# Build line on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= line.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := line

include $(BUILD_EXECUTABLE)

#
# Build lmdd on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lmdd.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lmdd

include $(BUILD_EXECUTABLE)

#
# Build tlb on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= tlb.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := tlb

include $(BUILD_EXECUTABLE)

#
# Build stream on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= stream.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lmstream

include $(BUILD_EXECUTABLE)

#
# Build memsize on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= memsize.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := memsize

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_select on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_select.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_select

include $(BUILD_EXECUTABLE)
endif

#
# Build lat_unix_connect on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_unix_connect.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_unix_connect

include $(BUILD_EXECUTABLE)

#
# Build lat_fifo on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fifo.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_fifo

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)
#
# Build lat_http on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_http.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := lat_http

include $(BUILD_EXECUTABLE)
endif

#
# Build par_mem on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= par_mem.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := par_mem

include $(BUILD_EXECUTABLE)

#
# Build par_ops on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= par_ops.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := par_ops

include $(BUILD_EXECUTABLE)

#
# Build enough on target
#
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= enough.c
LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)
LOCAL_C_INCLUDES := $(common_target_c_includes)
LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := enough

include $(BUILD_EXECUTABLE)

endif

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# 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.

ifeq ($(BUILD_LMBENCH),true)

LOCAL_PATH := $(call my-dir)

COMMON_CFLAGS := -DANDROID -DHAVE_uint

COMMON_LIBS := lmbench_lib

ANDROID_LMBENCH := true

# Build lmbench_lib

include $(CLEAR_VARS)

LOCAL_SRC_FILES := lib_unix.c lib_timing.c \

lib_mem.c lib_stats.c lib_debug.c getopt.c lib_sched.c

ifneq ($(ANDROID_LMBENCH),true)

LOCAL_SRC_FILES := $(LOCAL_SRC_FILES) lib_tcp.c lib_udp.c

endif

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lmbench_lib

include $(BUILD_STATIC_LIBRARY)

# Build mhz on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= mhz.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := mhz

include $(BUILD_EXECUTABLE)

# Build bw_file_rd on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_file_rd.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_file_rd

include $(BUILD_EXECUTABLE)

# Build bw_mem on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_mem.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_mem

include $(BUILD_EXECUTABLE)

# Build bw_mmap_rd on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_mmap_rd.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_mmap_rd

include $(BUILD_EXECUTABLE)

# Build bw_pipe on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_pipe.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_pipe

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build bw_tcp on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_tcp.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_tcp

include $(BUILD_EXECUTABLE)

endif

# Build bw_unix on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= bw_unix.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := bw_unix

include $(BUILD_EXECUTABLE)

# Build lat_cmd on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_cmd.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_cmd

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_connect on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_connect.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_connect

include $(BUILD_EXECUTABLE)

endif

# Build lat_ctx on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_ctx.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_ctx

include $(BUILD_EXECUTABLE)

# Build lat_fcntl on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fcntl.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_fcntl

include $(BUILD_EXECUTABLE)

# Build lat_fs on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fs.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_fs

include $(BUILD_EXECUTABLE)

# Build lat_mem_rd on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_mem_rd.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_mem_rd

include $(BUILD_EXECUTABLE)

# Build lat_mmap on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_mmap.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_mmap

include $(BUILD_EXECUTABLE)

# Build lat_ops on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_ops.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_ops

include $(BUILD_EXECUTABLE)

# Build lat_pipe on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_pipe.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_pipe

include $(BUILD_EXECUTABLE)

# Build lat_pagefault on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_pagefault.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_pagefault

include $(BUILD_EXECUTABLE)

# Build lat_proc on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_proc.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_proc

include $(BUILD_EXECUTABLE)

# Build lat_rand on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_rand.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_rand

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_tcp on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_tcp.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_tcp

include $(BUILD_EXECUTABLE)

endif

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_sem on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_sem.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_sem

include $(BUILD_EXECUTABLE)

endif

# Build lat_sig on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_sig.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_sig

include $(BUILD_EXECUTABLE)

# Build lat_syscall on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_syscall.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_syscall

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_udp on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_udp.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_udp

include $(BUILD_EXECUTABLE)

endif

# Build lat_unix on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_unix.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_unix

include $(BUILD_EXECUTABLE)

# Build lat_usleep on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_usleep.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags) -DTRUE=1 -DFALSE=0

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_usleep

include $(BUILD_EXECUTABLE)

# Build cache on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= cache.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := cache

include $(BUILD_EXECUTABLE)

# Build line on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= line.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := line

include $(BUILD_EXECUTABLE)

# Build lmdd on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lmdd.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lmdd

include $(BUILD_EXECUTABLE)

# Build tlb on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= tlb.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := tlb

include $(BUILD_EXECUTABLE)

# Build stream on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= stream.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lmstream

include $(BUILD_EXECUTABLE)

# Build memsize on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= memsize.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := memsize

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_select on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_select.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_select

include $(BUILD_EXECUTABLE)

endif

# Build lat_unix_connect on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_unix_connect.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_unix_connect

include $(BUILD_EXECUTABLE)

# Build lat_fifo on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_fifo.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_fifo

include $(BUILD_EXECUTABLE)

ifneq ($(ANDROID_LMBENCH),true)

# Build lat_http on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= lat_http.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := lat_http

include $(BUILD_EXECUTABLE)

endif

# Build par_mem on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= par_mem.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := par_mem

include $(BUILD_EXECUTABLE)

# Build par_ops on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= par_ops.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := par_ops

include $(BUILD_EXECUTABLE)

# Build enough on target

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= enough.c

LOCAL_STATIC_LIBRARIES := $(COMMON_LIBS)

LOCAL_C_INCLUDES := $(common_target_c_includes)

LOCAL_CFLAGS := $(COMMON_CFLAGS) $(common_target_cflags)

LOCAL_MODULE_TAGS := eng

LOCAL_MODULE := enough

include $(BUILD_EXECUTABLE)

endif

编译LMbench代码

ndk-build NDK_PROJECT_PATH=/lmbench3

1	ndk-build NDK_PROJECT_PATH=/lmbench3

编译完成后的文件存放在“lmbench3\libs\armeabi”目录下面。

测试内存带宽

./bw_mem 16M rdwr

1	./bw_mem 16M rdwr

更详细的命令参数，参考bw_mem

参考链接

Windows下VirtualBox直接使用物理硬盘作虚拟机磁盘

目前VirtualBox只能用命令行来建立磁盘才可以使用物理硬盘。

我们假定VirtualBox安装在“D:\Program Files\Oracle\VirtualBox”这个目录下面，要在“D:\Users\VirtualBox VMs\Ubuntu\”目录下面生成文件，则执行如下命令：

"D:\Program Files\Oracle\VirtualBox\VBoxManage.exe" internalcommands createrawvmdk -filename "D:\Users\VirtualBox VMs\Ubuntu\Ubuntu.vmdk" -rawdisk \\.\PhysicalDrive1

1	"D:\Program Files\Oracle\VirtualBox\VBoxManage.exe" internalcommands createrawvmdk -filename "D:\Users\VirtualBox VMs\Ubuntu\Ubuntu.vmdk" -rawdisk \\.\PhysicalDrive1

\\.\PhysicalDrive1 表示机器上的第二块硬盘，\\.\PhysicalDrive0是第一块，\\.\PhysicalDrive2是第三块，以此类推。

在Windows 的磁盘管理中能看到硬盘的分区路径。如下图所示：

然后新建虚拟机，选择"使用已有的虚拟硬盘文件"，找到刚刚创建的 Ubuntu.vmdk 即可。

对于Windows 8.1/10系统，以上的命令需要以管理员启动命令行的方式下启动并执行，否则会报告找不到磁盘。另外启动Virtual Box的时候，同样需要以管理员的身份运行，否则会出现VERR_ACCESS_DENIED错误，如下图所示：

VERR_ACCESS_DENIED

Android Studio 1.4主工程中使用gradle:1.3.0生成包含NDK的APK没有包含非".so"后缀的文件

Android Studio 1.4主工程中使用gradle:1.3.0，编译NDK，其中生成两个文件，一个是.so的动态链接库,另一个是可执行程序，没有扩展名，在最后生成的APK中没有包含非".so"后缀的文件。这个问题纠结了好久，最后追踪到了Android Studio对应的Gradle代码文件中。发现在

Android Studio\gradle\m2repository\com\android\tools\build\builder\1.3.0\builder-1.3.0-sources.jar!\com\android\builder\internal\packaging\Packager.java

1	Android Studio\gradle\m2repository\com\android\tools\build\builder\1.3.0\builder-1.3.0-sources.jar!\com\android\builder\internal\packaging\Packager.java

文件中有一个变量

private static final Pattern PATTERN_NATIVELIB_EXT = Pattern.compile("^.+\\.so$",Pattern.CASE_INSENSITIVE);

1	private static final Pattern PATTERN_NATIVELIB_EXT = Pattern.compile("^.+\\.so$",Pattern.CASE_INSENSITIVE);

这个变量决定了最后的打包时候的过滤条件。

具体的代码如下图所示：
最后的解决方案，就是把编译之后的文件重新命名成为“.so”。

这边的build.gradle的配置如下：

（其他配置参考Android Studio 1.2 开发JNI工程）

task ndkBuild(type: Exec) {
	def Properties localProps = new Properties()
	localProps.load(new FileInputStream("local.properties"))
	def ndk_dir=localProps['ndk.dir']

	def ndk_build_cmd = "$ndk_dir/ndk-build"
	if (Os.isFamily(Os.FAMILY_WINDOWS)) {
		ndk_build_cmd = "$ndk_dir/ndk-build.cmd"
	}
	if(ndkBuild_Debug_Enabled) {
		commandLine ndk_build_cmd,
				'-j', Runtime.runtime.availableProcessors(),
				"NDK_PROJECT_PATH=$rootDir/app/src/main",
				"NDK_OUT=$buildDir/native/obj",
				"NDK_DEBUG=1"
	} else{
		commandLine ndk_build_cmd,
				'-j', Runtime.runtime.availableProcessors(),
				"NDK_PROJECT_PATH=$rootDir/app/src/main",
				"NDK_OUT=$buildDir/native/obj"
	}
	doLast {
		/* com.android.build.gradle.tasks.PackageApplication->doFullTaskAction->getBuilder().packageApk
		*Android Studio\gradle\m2repository\com\android\tools\build\builder\1.3.0\builder-1.3.0-sources.jar!\com\android\builder\internal\packaging\Packager.java
		*中的过滤变量     private static final Pattern PATTERN_NATIVELIB_EXT = Pattern.compile("^.+\\.so$",Pattern.CASE_INSENSITIVE);
		* 不能包含名字不是SO的其他文件
		*/
		File file = new File("$rootDir/app/src/main/libs");
		File[] files = file.listFiles(new FilenameFilter() {
			/**
			 * 测试指定文件是否应该包含在某一文件列表中。
			 *
			 * @param dir
			 *            被找到的文件所在的目录。
			 * @param name
			 *            文件的名称。
			 * @return 当且仅当该名称应该包含在文件列表中时返回 true；否则返回
			 *         false。返回true时，该文件将被允许添加到文件列表中，否则不能添加到文件列表中。
			 */
			public boolean accept(File dir, String name) {
				File f = new File(dir, name);
				if (f.isDirectory()) {
					File rf = new File(f.getPath(), "Standalone");
					if(rf.exists()){
						return true;
					}
					return false;
				}
				else {
					return false;// 否则返回false。
				}
			}
		});
		for(File f : files) {
			File src_file = new File(f.getAbsolutePath(), "Standalone");
			File dst_file = new File(f.getAbsolutePath(), "Standalone.so");
			dst_file.delete();
			src_file.renameTo(dst_file)
		}
	}
}

task ndkBuild(type: Exec) {

def Properties localProps = new Properties()

localProps.load(new FileInputStream("local.properties"))

def ndk_dir=localProps['ndk.dir']

def ndk_build_cmd = "$ndk_dir/ndk-build"

if (Os.isFamily(Os.FAMILY_WINDOWS)) {

ndk_build_cmd = "$ndk_dir/ndk-build.cmd"

}

if(ndkBuild_Debug_Enabled) {

commandLine ndk_build_cmd,

'-j', Runtime.runtime.availableProcessors(),

"NDK_PROJECT_PATH=$rootDir/app/src/main",

"NDK_OUT=$buildDir/native/obj",

"NDK_DEBUG=1"

} else{

commandLine ndk_build_cmd,

'-j', Runtime.runtime.availableProcessors(),

"NDK_PROJECT_PATH=$rootDir/app/src/main",

"NDK_OUT=$buildDir/native/obj"

}

doLast {

/* com.android.build.gradle.tasks.PackageApplication->doFullTaskAction->getBuilder().packageApk

*Android Studio\gradle\m2repository\com\android\tools\build\builder\1.3.0\builder-1.3.0-sources.jar!\com\android\builder\internal\packaging\Packager.java

*中的过滤变量 private static final Pattern PATTERN_NATIVELIB_EXT = Pattern.compile("^.+\\.so$",Pattern.CASE_INSENSITIVE);

* 不能包含名字不是SO的其他文件

File file = new File("$rootDir/app/src/main/libs");

File[] files = file.listFiles(new FilenameFilter() {

/**

* 测试指定文件是否应该包含在某一文件列表中。

* @param dir

* 被找到的文件所在的目录。

* @param name

* 文件的名称。

* @return 当且仅当该名称应该包含在文件列表中时返回 true；否则返回

* false。返回true时，该文件将被允许添加到文件列表中，否则不能添加到文件列表中。

public boolean accept(File dir, String name) {

File f = new File(dir, name);

if (f.isDirectory()) {

File rf = new File(f.getPath(), "Standalone");

if(rf.exists()){

return true;

}

return false;

}

else {

return false;// 否则返回false。

}

});

for(File f : files) {

File src_file = new File(f.getAbsolutePath(), "Standalone");

File dst_file = new File(f.getAbsolutePath(), "Standalone.so");

dst_file.delete();

src_file.renameTo(dst_file)

}

Windows下android-ndk-r10e执行ndk-gdb.py报告“ERROR: Non-debuggable application installed on the target device.”

使用命令：

#ndk-gdb.py --verbose

1	#ndk-gdb.py --verbose

具体信息如下所示。

使用apk-tool反编译了一下APK包，AndroidManifest.xml中的“android:debuggable="true"”已经设置了，lib\armeabi目录下面也已经存在gdb.setup，gdbserver。奇怪了！使用pyScripter跟踪ndk-gdb.py，在684行附近发现，脚本找错目录了。

解决方法比较简单，拷贝一份“android-ndk-r10e\prebuilt\android-arm”，并且重新命名成为 “android-ndk-r10e\prebuilt\android-armeabi”即可。

Ubuntu 15.04 遍历获取目录所有文件的MD5

$DIR='./'
$find $DIR -type f -print0 | xargs -0 md5sum > ./md5.txt

1 2	$DIR='./' $find $DIR -type f -print0 \| xargs -0 md5sum > ./md5.txt

建立Eclipse插件镜像服务器

使用Eclipse的时候，免不了要下载插件，可以插件的服务器一般都在国外，尤其是Android开发中的ADT(Android Developer Tools)插件,因此最好自己搭建一个镜像服务器。

常见的Eclipse插件分为两种组织方式，一种使用 Eclipse的P2插件来进行组织，一种使用site.xml进行组织。我们分别进行处理。

Mirror based on p2 information

对于P2方式的插件，使用Eclipse的 P2 mirror tool 可以比较方便的进行插件的离线镜像。
以下载ADT为例子：

$eclipse -nosplash -verbose -application org.eclipse.equinox.p2.metadata.repository.mirrorApplication -source https://dl-ssl.google.com/android/eclipse/ -destination ./plugins

$eclipse -nosplash -verbose -application org.eclipse.equinox.p2.artifact.repository.mirrorApplication -source https://dl-ssl.google.com/android/eclipse/ -destination ./plugins

$eclipse -nosplash -verbose -application org.eclipse.equinox.p2.metadata.repository.mirrorApplication -source https://dl-ssl.google.com/android/eclipse/ -destination ./plugins

$eclipse -nosplash -verbose -application org.eclipse.equinox.p2.artifact.repository.mirrorApplication -source https://dl-ssl.google.com/android/eclipse/ -destination ./plugins

简单介绍一下，P2采用两种文件对插件进行管理，metadata跟artifact,其中metadata可以理解为文件的描述信息，以及索引信息。而artifact则是实实在在的插件文件了。

因此，上面的命令，第一个是下载metadata，第二个是下载artifact。请注意命令中的细微区别。

Mirror based on site.xml information

java -jar $eclipse_home/plugins/org.eclipse.equinox.launcher_*.jar -application org.eclipse.update.core.standaloneUpdate -command mirror -from $from -to $to

1	java -jar $eclipse_home/plugins/org.eclipse.equinox.launcher_*.jar -application org.eclipse.update.core.standaloneUpdate -command mirror -from $from -to $to

本站提供的镜像地址

ADT 23.0.7(August 2015)
Eclipse 3.8 http://www.mobibrw.com/eclipse/plugins/ADT/3.8/
Eclipse 4.5 http://www.mobibrw.com/eclipse/plugins/ADT/4.5/

参考链接

1.Tool for downloading eclipse plugins from update sites
2.Equinox p2 Repository Mirroring
3.Downloading Eclipse plug-in update sites for offline installation
4.Equinox/p2/Ant Tasks/Partial Mirroring/Example

C++11 error: unable to find string literal operator 'operator"

一个简单的宏

#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, "x, __FUNCTION__,__LINE__, ##__VA_ARGS__)

1	#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, "x, __FUNCTION__,__LINE__, ##__VA_ARGS__)

一直都可以正常编译，但是当启用C++11的时候，报告编译错误

error: unable to find string literal operator 'operator""x'

1	error: unable to find string literal operator 'operator""x'

网上搜了一下，说是C++11要求，当字符串跟变量连接的时候，必须增加一个空格才行。因此简单修改如下即可。

#if __cplusplus < 201103L
#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, "x, __FUNCTION__,__LINE__, ##__VA_ARGS__)
#else
#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, " x, __FUNCTION__,__LINE__, ##__VA_ARGS__)
#endif

#if __cplusplus < 201103L

#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, "x, __FUNCTION__,__LINE__, ##__VA_ARGS__)

#else

#define LOG_INFORMATION(x, ...) LOG_ME("%s:%d, " x, __FUNCTION__,__LINE__, ##__VA_ARGS__)

#endif

注意：在“android-ndk-r10e”中使用的GCC版本，GCC-4.9之前的版本都存在"__cplusplus"宏定义错误的问题，需要参考“NDK下GCC定义__cplusplus不正确的问题”，把GCC升级到4.9

Android 5.0 模拟器休眠唤醒（黑屏）

Android 5.0 模拟器默认在一分钟之内没有操作，就会关闭屏幕，出现黑屏的情况，如下图所示.

注意，这不是死掉了，只是休眠了而已。解除休眠的方式是按“ESC”或者“F7”按键即可。如果需要测试休眠的话，“F7”按键是个不错的选择。

Cura 15.04 实心打印

Cura 15.04 打印物体，默认是对打印对象进行部分填充，来节省打印耗材，但是打印一些中空的结构的时候，会出现边框强度不够的情况，导致边缘的强度非常差，这时候需要设置完全填充。如下设置即可。注意：设置后，最好关闭一下软件重新打开，出现过修改无效的情况！

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