system info (raspberry pi desktop)

pi@raspberry:~/sys-info-rs/test $ cargo run
    Finished dev [unoptimized + debuginfo] target(s) in 0.02s
     Running `target/debug/test`
os: Linux 4.19.0-10-amd64
cpu: 1 cores, 3493 MHz
proc total: 190
load: 0 0 0
mem: total 1009964 KB, free 115592 KB, avail 658632 KB, buffers 41588 KB, cached 620204 KB
swap: total 1148920 KB, free 1146872 KB
disk: total 40949284 KB, free 24414846 KB
hostname: raspberry
boottime 2601 sec, 2444 usec
pi@raspberry:~/sys-info-rs/test $

top - 14:51:38 up 44 min,  4 users,  load average: 0.00, 0.00, 0.00
Tasks: 140 total,   1 running, 139 sleeping,   0 stopped,   0 zombie
%Cpu0  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :    986.3 total,    110.2 free,    176.3 used,    699.7 buff/cache
MiB Swap:   1122.0 total,   1120.0 free,      2.0 used.    643.1 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
 3994 root      20   0       0      0      0 I   0.3   0.0   0:00.03 kworker/0+
    1 root      20   0   35496   9164   7276 S   0.0   0.9   0:04.30 systemd
    2 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kthreadd
    3 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_gp
    4 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_par_gp
    6 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/0+
    7 root      20   0       0      0      0 I   0.0   0.0   0:00.01 kworker/u+
    8 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 mm_percpu+
    9 root      20   0       0      0      0 S   0.0   0.0   0:00.61 ksoftirqd+
   10 root      20   0       0      0      0 I   0.0   0.0   0:00.32 rcu_sched
   11 root      20   0       0      0      0 I   0.0   0.0   0:00.00 rcu_bh
   12 root      rt   0       0      0      0 S   0.0   0.0   0:00.02 migration+
   14 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/0
   15 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kdevtmpfs
   16 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 netns
   17 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kauditd
   18 root      20   0       0      0      0 S   0.0   0.0   0:00.00 khungtaskd
   19 root      20   0       0      0      0 S   0.0   0.0   0:00.00 oom_reaper
   20 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 writeback
   21 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kcompactd0
   22 root      25   5       0      0      0 S   0.0   0.0   0:00.00 ksmd
   23 root      39  19       0      0      0 S   0.0   0.0   0:00.24 khugepaged
   24 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 crypto

pi@raspberry:~/sys-info-rs/test $ df
ファイルシス   1K-ブロック     使用   使用可 使用% マウント位置
udev                470788        0   470788    0% /dev
tmpfs               101000     4540    96460    5% /run
/dev/sda1         39989536 14085860 23842620   38% /
tmpfs               504980        0   504980    0% /dev/shm
tmpfs                 5120        4     5116    1% /run/lock
tmpfs               504980        0   504980    0% /sys/fs/cgroup
tmpfs               100996        0   100996    0% /run/user/1000
pi@raspberry:~/sys-info-rs/test $