shell

1.sh

sudo apt install build-essential git m4 scons zlib1g zlib1g-dev \
    libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
    python3-dev python-is-python3 libboost-all-dev pkg-config libhdf5-dev libpng-dev

$ pgtbltest
ugetpid_test starting
ugetpid_test: OK
pgaccess_test starting
pgtbltest: pgaccess_test failed: incorrect access bits set, pid=3

(base) kamilu@LZX:~/xv6 make grade
== Test pgtbltest ==
$ make qemu-gdb
(4.0s)
== Test   pgtbltest: ugetpid ==
  pgtbltest: ugetpid: OK
== Test   pgtbltest: pgaccess ==
  pgtbltest: pgaccess: OK
== Test pte printout ==
$ make qemu-gdb
pte printout: OK (0.5s)
== Test answers-pgtbl.txt == answers-pgtbl.txt: FAIL
    Cannot read answers-pgtbl.txt
== Test usertests ==
$ make qemu-gdb
(71.4s)
== Test   usertests: all tests ==
  usertests: all tests: OK
== Test time ==
time: FAIL
    Cannot read time.txt
Score: 40/46

2.sh

#!/bin/bash
# Simple script to list version numbers of critical development tools
export LC_ALL=C
bash --version | head -n1 | cut -d" " -f2-4
MYSH=$(readlink -f /bin/sh)
echo "/bin/sh -> $MYSH"
echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
unset MYSH
echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
bison --version | head -n1
if [ -h /usr/bin/yacc ]; then
 echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
elif [ -x /usr/bin/yacc ]; then
 echo yacc is `/usr/bin/yacc --version | head -n1`
else
 echo "yacc not found"
fi
echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
diff --version | head -n1
find --version | head -n1
gawk --version | head -n1
if [ -h /usr/bin/awk ]; then
 echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
elif [ -x /usr/bin/awk ]; then
 echo awk is `/usr/bin/awk --version | head -n1`
else
 echo "awk not found"
fi
gcc --version | head -n1
g++ --version | head -n1
grep --version | head -n1
gzip --version | head -n1
cat /proc/version
m4 --version | head -n1
make --version | head -n1
patch --version | head -n1
echo Perl `perl -V:version`
python3 --version
sed --version | head -n1
tar --version | head -n1
makeinfo --version | head -n1 # texinfo version
xz --version | head -n1
echo 'int main(){}' > dummy.c && g++ -o dummy dummy.c
if [ -x dummy ]
 then echo "g++ compilation OK";
 else echo "g++ compilation failed"; fi
rm -f dummy.c dummy

3.sh

#!/bin/bash

# 定义任务函数
task() {
  echo "Starting task $1"
  sleep $1
  echo "Task $1 completed"
}

# 并发执行任务
for i in {1..5}; do
  task $i &
done

# 等待所有任务完成
wait

echo "All tasks completed"

4.sh

#!/bin/bash

LOG_FILE="/var/log/app.log"
MAX_SIZE=1000000
BACKUP_COUNT=5

# 检查日志文件大小
log_size=$(wc -c < "$LOG_FILE")
if [[ $log_size -gt $MAX_SIZE ]]; then
  # 备份旧的日志文件
  for ((i=$BACKUP_COUNT; i>1; i--)); do
    prev=$((i-1))
    mv "$LOG_FILE.$prev" "$LOG_FILE.$i" 2>/dev/null
  done
  mv "$LOG_FILE" "$LOG_FILE.1"

  # 创建新的日志文件
  touch "$LOG_FILE"
fi

# 写入日志
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Log entry" >> "$LOG_FILE"

5.sh

#!/bin/bash

SOURCE_DIR="/path/to/source"
BACKUP_DIR="/path/to/backup"
DATE=$(date '+%Y%m%d')

# 创建备份目录
mkdir -p "$BACKUP_DIR/$DATE"

# 复制源目录的内容到备份目录
cp -R "$SOURCE_DIR" "$BACKUP_DIR/$DATE"

echo "Backup of $SOURCE_DIR created in $BACKUP_DIR/$DATE"

6.sh

#!/bin/bash

# 定义变量
count=0

# 循环执行命令并进行条件判断
while [[ $count -lt 10 ]]; do
  echo "Count: $count"
  if [[ $count -eq 5 ]]; then
    echo "Reached 5, breaking the loop"
    break
  fi
  count=$((count+1))
done

# 列出目录下的文件并进行条件判断
for file in *; do
  if [[ -f $file ]]; then
    echo "File: $file"
  elif [[ -d $file ]]; then
    echo "Directory: $file"
  fi
done

7.sh

#!/bin/bash

# 定义函数
welcome() {
  echo "Welcome, $1!"
}

# 调用函数
welcome "John"

# 执行外部命令并获取结果
result=$(ls -l)
echo "$result"

# 调用外部脚本并传递参数
./external_script.sh arg1 arg2

8.sh

#!/bin/bash

# 读取用户输入
read -p "Enter your name: " name
echo "Hello, $name!"

# 将命令输出重定向到文件
ls -l > file_list.txt

# 从文件中读取输入并进行处理
while read line; do
  echo "Line: $line"
done < input_file.txt

9.sh

$ zood
zood使用方法见 https://luzhixing12345.github.io/zood/

  zood init         初始化仓库
  zood new A B      创建A目录下的B文件
  zood new A        创建根目录下的A文件
  zood update       更新dir.yml顺序
  zood -g           生成docs/目录
  zood clean        删除docs/目录
  zood config       获取配置文件
  zood -s           更新配置文件
其他:
  zood poetry <choice>   更新PYPI库版本
             choice = None(default) 发布版本更新
             choice = sub           次版本更新
             choice = main          主版本更新
  zood vsce <choice>     更新Vscode扩展版本
             choice = None(default) 发布版本更新
             choice = sub           次版本更新
             choice = main          主版本更新


sudo apt install build-essential git m4 scons zlib1g zlib1g-dev \
    libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
    python3-dev python-is-python3 libboost-all-dev pkg-config libhdf5-dev libpng-dev

git clone https://gem5.googlesource.com/public/gem5

cd gem5
scons build/X86/gem5.opt -j 4

10.sh

Error: Can't find a suitable python-config, tried ['python3-config','python-config']
Error: Can't find a working Python installation

python3 `which scons` build/X86/gem5.opt

M4 macro processor not installed
Protobuf 3.12.3 problem
Wrong gcc version

alias gem5=/home/kamilu/gem5/build/X86/gem5.opt

pip install -r requirements.txt
sudo apt install pre-commit

sudo apt rmeove pre-commit
rm -r .git/hooks

pip install pydot
sudo apt install graphviz

dot -Tpng -o config.png config.dot

11.sh

阿斯顿金克拉
└── traces
    ├── amptjp-bal.rep
    ├── binary-bal.rep
    ├── binary2-bal.rep
    ├── cccp-bal.rep
    ├── coalescing-bal.rep
    ├── cp-decl-bal.rep
    ├── expr-bal.rep
    ├── random-bal.rep
    ├── random2-bal.rep
    ├── realloc-bal.rep
    └── realloc2-bal.rep

12.sh

root@kamilu:~# sudo apt install numactl

root@kamilu:~# numactl --hardware
available: 1 nodes (0)
node 0 cpus: 0
node 0 size: 914 MB
node 0 free: 148 MB
node distances:
node   0
  0:  10

(base) kamilu@LZX:~/csapplab$ git status
On branch main
Your branch is up to date with 'origin/main'.

Changes not staged for commit:
  (use "git add/rm <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)

13.sh

长选项与短选项等价

-A, --show-all           等价于"-vET"组合选项.
-b, --number-nonblank    只对非空行编号,从1开始编号,覆盖"-n"选项.
-e                       等价于"-vE"组合选项.
-E, --show-ends          在每行的结尾显示'$'字符.
-n, --number             对所有行编号,从1开始编号.
-s, --squeeze-blank      压缩连续的空行到一行.
-t                       等价于"-vT"组合选项.
-T, --show-tabs          使用"^I"表示TAB(制表符).
-u                       POSIX兼容性选项,无意义.
-v, --show-nonprinting   使用"^"和"M-"符号显示控制字符,除了LFD(line feed,即换行符'\n')和TAB(制表符).

--help                   显示帮助信息并退出.
--version                显示版本信息并退出.

14.sh

$ ./re2postfix "a(abc|c|bc)+ab+"

[a]: token_number = [0] token_number = [1]
[(]: token_number = [1] pipe_number = [0] -> p++
[a]: token_number = [0] token_number = [1]
[b]: token_number = [1] token_number = [2]
[c]: token_number = [2] token_number = [2]
[|]: token_number = [2] pipe_number = [1]
[c]: token_number = [0] token_number = [1]
[|]: token_number = [1] pipe_number = [2]
[b]: token_number = [0] token_number = [1]
[c]: token_number = [1] token_number = [2]
[)]: token_number = [2] pipe_number = [2]
[+]:
[a]: token_number = [2] token_number = [2]
[b]: token_number = [2] token_number = [2]
[+]:

postfix = aab.c.cbc.||+.a.b+.

15.sh

make GRADEFLAGS=find grade
# == Test xargs == xargs: OK (2.6s)

16.sh

(base) kamilu@LZX:~/libc$ ./kcc a.c -o a
file[0] = [a.c]
output file = [a]
(base) kamilu@LZX:~/libc$ ./kcc a.c -I include1 -Iinclude2 -I=include3 -o a
file[0] = [a.c]
include path[0] = [include1]
include path[1] = [include2]
include path[2] = [include3]
output file = [a]
(base) kamilu@LZX:~/libc$ ./kcc a.c -I include1 -Iinclude2 -I=include3 -labc -l=ccc -o a
file[0] = [a.c]
include path[0] = [include1]
include path[1] = [include2]
include path[2] = [include3]
library name[0] = [abc]
library name[1] = [ccc]
output file = [a]

17.sh

.
├── Makefile            # make 编译 + 反汇编
├── example.S           # 汇编程序
├── instructions.py     # 所有指令实现
├── isa.py              # ISA 实现
├── main.ipynb          # 需要提交的作业(没用到, 不重要)
└── main.py             # 主函数, RISCV ISA 实现

├── touch
├── touch.c
├── touch.o
├── tree
├── tree.c
└── tree.o

.
├── asmcode             # 测试用例
│   ├── CTL1.S
│   ├── DH1.S
│   ├── DH2.S
│   ├── DH3.S
│   ├── DH_RAW.S
│   ├── DH_WAR.S
│   └── DH_WAW.S
├── base.py             # 基础枚举类型和类定义
├── instructions.py     # RISCV 32I 指令集
├── isa.py              # Pipeline ISA
├── loop.S              # 汇编代码
├── loop.c              # C 代码
├── main.py             # 主函数入口
├── schedule_loop.S     # 汇编的重排序
└── test.py             # Pipeline ISA 正确性测试文件

18.sh

Intel(R) Memory Latency Checker - v3.11
*** Unable to modify prefetchers (try executing 'modprobe msr')
*** So, enabling random access for latency measurements
Measuring idle latencies for random access (in ns)...
                Numa node
Numa node            0       1
       0         253.1   429.6
       1         392.7   287.3

Measuring Peak Injection Memory Bandwidths for the system
Bandwidths are in MB/sec (1 MB/sec = 1,000,000 Bytes/sec)
Using all the threads from each core if Hyper-threading is enabled
Using traffic with the following read-write ratios
ALL Reads        :      199381.1
3:1 Reads-Writes :      218009.3
2:1 Reads-Writes :      216701.3
1:1 Reads-Writes :      208055.7
Stream-triad like:      205531.7

Measuring Memory Bandwidths between nodes within system
Bandwidths are in MB/sec (1 MB/sec = 1,000,000 Bytes/sec)
Using all the threads from each core if Hyper-threading is enabled
Using Read-only traffic type
                Numa node
Numa node            0       1
       0        101203.0        80509.9
       1        87389.3 90140.2

Measuring Loaded Latencies for the system
Using all the threads from each core if Hyper-threading is enabled
Using Read-only traffic type
Inject  Latency Bandwidth
Delay   (ns)    MB/sec
==========================
 00000  642.45   198317.3
 00002  641.75   198628.1
 00008  609.64   198505.1
 00015  555.02   195734.2
 00050  517.77   190798.8
 00100  394.57   178862.7
 00200  261.29    96680.8
 00300  249.25    61850.5
 00400  243.05    47526.6
 00500  272.35    39008.2
 00700  231.46    28640.9
 01000  228.66    20313.0
 01300  227.70    15908.8
 01700  226.91    12434.8
 02500  225.83     8690.3
 03500  232.78     6425.1
 05000  223.81     4588.6
 09000  222.93     2668.6
 20000  220.31     1350.0

Measuring cache-to-cache transfer latency (in ns)...
Local Socket L2->L2 HIT  latency        178.1
Local Socket L2->L2 HITM latency        175.1
Remote Socket L2->L2 HITM latency (data address homed in writer socket)
                        Reader Numa Node
Writer Numa Node     0       1
            0        -   336.8
            1    363.9       -
Remote Socket L2->L2 HITM latency (data address homed in reader socket)
                        Reader Numa Node
Writer Numa Node     0       1
            0        -   346.8
            1    326.3       -