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RANT: Virtual filesystems are getting out of control




Pardon my rant. Feel free to disregard this thread.

The output from these commands are on a freshly installed system.



-->df
Filesystem           1K-blocks       Used  Available Use% Mounted on
udev                  16441312          0   16441312   0% /dev
tmpfs                  3290364       9668    3280696   1% /run
/dev/sda2            114287812   44945248   63514008  42% /
tmpfs                 16451804        208   16451596   1% /dev/shm
tmpfs                     5120          4       5116   1% /run/lock
tmpfs                 16451804          0   16451804   0% /sys/fs/cgroup
tmpfs                  3290364          0    3290364   0% /run/user/116
tmpfs                  3290364         12    3290352   1% /run/user/1000

One out of eight lines are actually disk filesystems. That is 88% garbage I didn't want to see.



-->mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=16441312k,nr_inodes=4110328,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=3290364k,mode=755)
/dev/sda2 on / type ext4 (rw,noatime,quota,usrquota,grpquota,errors=remount-ro,data=ordered) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=29,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
tmpfs on /run/user/116 type tmpfs (rw,nosuid,nodev,relatime,size=3290364k,mode=700,uid=116,gid=120) tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=3290364k,mode=700,uid=1000,gid=1000)


1 line out out 27. That's 96% garbage I didn't want to see.





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