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Linux操作-/proc目录

HFwasshellshell约 2099 字大约 7 分钟

Linux操作-/proc目录

目录大概内容截图：

image-20220405203843135
image-20220405203843135
  • 数字符号的是当前系统运行的进程使用的到的资源
  • 非数字：

这里我们以dockera启动的一个容器为例，查看文件夹下有哪些内容

文件夹下内容：

image-20220405204113309
image-20220405204113309

具体的：

  • attr:
  • autogroup
  • auxv
  • cgroup
  • clear_refs
  • cmdline:启动当前进程的完整命令，但僵尸进程目录中的此文件不包含任何信息；可以看出启动当前容器的命令
image-20220405204638871
image-20220405204638871

  • comm

  • coredump_filter

  • cpu_resctrl_groups

  • cpuset

  • cwd -> /run/docker/containerd/daemon/io.containerd.runtime.v1.linux/moby/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3

    • 指向当前进程运行目录的一个符号链接；
    • 目录结构为：
    image-20220405205134002
    image-20220405205134002
    • 以下为cwd目录下config.json的内容
{"ociVersion":"1.0.1","process":{"user":{"uid":0,"gid":0},"args":["/run-httpd.sh"],"env":["PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HOSTNAME=cc021a07fb55"],"cwd":"/","capabilities":{"bounding":["CAP_CHOWN","CAP_DAC_OVERRIDE","CAP_FSETID","CAP_FOWNER","CAP_MKNOD","CAP_NET_RAW","CAP_SETGID","CAP_SETUID","CAP_SETFCAP","CAP_SETPCAP","CAP_NET_BIND_SERVICE","CAP_SYS_CHROOT","CAP_KILL","CAP_AUDIT_WRITE"],"effective":["CAP_CHOWN","CAP_DAC_OVERRIDE","CAP_FSETID","CAP_FOWNER","CAP_MKNOD","CAP_NET_RAW","CAP_SETGID","CAP_SETUID","CAP_SETFCAP","CAP_SETPCAP","CAP_NET_BIND_SERVICE","CAP_SYS_CHROOT","CAP_KILL","CAP_AUDIT_WRITE"],"inheritable":["CAP_CHOWN","CAP_DAC_OVERRIDE","CAP_FSETID","CAP_FOWNER","CAP_MKNOD","CAP_NET_RAW","CAP_SETGID","CAP_SETUID","CAP_SETFCAP","CAP_SETPCAP","CAP_NET_BIND_SERVICE","CAP_SYS_CHROOT","CAP_KILL","CAP_AUDIT_WRITE"],"permitted":["CAP_CHOWN","CAP_DAC_OVERRIDE","CAP_FSETID","CAP_FOWNER","CAP_MKNOD","CAP_NET_RAW","CAP_SETGID","CAP_SETUID","CAP_SETFCAP","CAP_SETPCAP","CAP_NET_BIND_SERVICE","CAP_SYS_CHROOT","CAP_KILL","CAP_AUDIT_WRITE"]},"oomScoreAdj":0},"root":{"path":"/var/lib/docker/overlay2/67b53357c7392af617057b75105b48f3c31f5e7440d60bfd12c882570edb5ca9/merged"},"hostname":"cc021a07fb55","mounts":[{"destination":"/proc","type":"proc","source":"proc","options":["nosuid","noexec","nodev"]},{"destination":"/dev","type":"tmpfs","source":"tmpfs","options":["nosuid","strictatime","mode=755","size=65536k"]},{"destination":"/dev/pts","type":"devpts","source":"devpts","options":["nosuid","noexec","newinstance","ptmxmode=0666","mode=0620","gid=5"]},{"destination":"/sys","type":"sysfs","source":"sysfs","options":["nosuid","noexec","nodev","ro"]},{"destination":"/sys/fs/cgroup","type":"cgroup","source":"cgroup","options":["ro","nosuid","noexec","nodev"]},{"destination":"/dev/mqueue","type":"mqueue","source":"mqueue","options":["nosuid","noexec","nodev"]},{"destination":"/etc/resolv.conf","type":"bind","source":"/var/lib/docker/containers/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3/resolv.conf","options":["rbind","rprivate"]},{"destination":"/etc/hostname","type":"bind","source":"/var/lib/docker/containers/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3/hostname","options":["rbind","rprivate"]},{"destination":"/etc/hosts","type":"bind","source":"/var/lib/docker/containers/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3/hosts","options":["rbind","rprivate"]},{"destination":"/dev/shm","type":"bind","source":"/var/lib/docker/containers/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3/mounts/shm","options":["rbind","rprivate"]}],"hooks":{"prestart":[{"path":"/proc/79203/exe","args":["libnetwork-setkey","cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3","5d5020940015dda916c83d69625bcf0dd6685689a6b64d96a29dd612fc9ecf53"]}]},"linux":{"resources":{"devices":[{"allow":false,"access":"rwm"},{"allow":true,"type":"c","major":1,"minor":5,"access":"rwm"},{"allow":true,"type":"c","major":1,"minor":3,"access":"rwm"},{"allow":true,"type":"c","major":1,"minor":9,"access":"rwm"},{"allow":true,"type":"c","major":1,"minor":8,"access":"rwm"},{"allow":true,"type":"c","major":5,"minor":0,"access":"rwm"},{"allow":true,"type":"c","major":5,"minor":1,"access":"rwm"},{"allow":false,"type":"c","major":10,"minor":229,"access":"rwm"}],"memory":{"disableOOMKiller":false},"cpu":{"shares":0},"pids":{"limit":0},"blockIO":{"weight":0}},"cgroupsPath":"/docker/cc021a07fb55ba8671b77d9585bf1072614d263636c0e477b592fa255f1279e3","namespaces":[{"type":"mount"},{"type":"network"},{"type":"uts"},{"type":"pid"},{"type":"ipc"}],"seccomp":{"defaultAction":"SCMP_ACT_ERRNO","architectures":["SCMP_ARCH_X86_64","SCMP_ARCH_X86","SCMP_ARCH_X32"],"syscalls":[{"names":["accept"],"action":"SCMP_ACT_ALLOW"},{"names":["accept4"],"action":"SCMP_ACT_ALLOW"},{"names":["access"],"action":"SCMP_ACT_ALLOW"},{"names":["adjtimex"],"action":"SCMP_ACT_ALLOW"},{"names":["alarm"],"action":"SCMP_ACT_ALLOW"},{"names":["bind"],"action":"SCMP_ACT_ALLOW"},{"names":["brk"],"action":"SCMP_ACT_ALLOW"},{"names":["capget"],"action":"SCMP_ACT_ALLOW"},{"names":["capset"],"action":"SCMP_ACT_ALLOW"},{"names":["chdir"],"action":"SCMP_ACT_ALLOW"},{"names":["chmod"],"action":"SCMP_ACT_ALLOW"},{"names":["chown"],"action":"SCMP_ACT_ALLOW"},{"names":["chown32"],"action":"SCMP_ACT_ALLOW"},{"names":["clock_getres"],"action":"SCMP_ACT_ALLOW"},{"names":["clock_gettime"],"action":"SCMP_ACT_ALLOW"},{"names":["clock_nanosleep"],"action":"SCMP_ACT_ALLOW"},{"names":["close"],"action":"SCMP_ACT_ALLOW"},{"names":["connect"],"action":"SCMP_ACT_ALLOW"},{"names":["copy_file_range"],"action":"SCMP_ACT_ALLOW"},{"names":["creat"],"action":"SCMP_ACT_ALLOW"},{"names":["dup"],"action":"SCMP_ACT_ALLOW"},{"names":["dup2"],"action":"SCMP_ACT_ALLOW"},{"names":["dup3"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_create"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_create1"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_ctl"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_ctl_old"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_pwait"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_wait"],"action":"SCMP_ACT_ALLOW"},{"names":["epoll_wait_old"],"action":"SCMP_ACT_ALLOW"},{"names":["eventfd"],"action":"SCMP_ACT_ALLOW"},{"names":["eventfd2"],"action":"SCMP_ACT_ALLOW"},{"names":["execve"],"action":"SCMP_ACT_ALLOW"},{"names":["execveat"],"action":"SCMP_ACT_ALLOW"},{"names":["exit"],"action":"SCMP_ACT_ALLOW"},{"names":["exit_group"],"action":"SCMP_ACT_ALLOW"},{"names":["faccessat"],"action":"SCMP_ACT_ALLOW"},{"names":["fadvise64"],"action":"SCMP_ACT_ALLOW"},{"names":["fadvise64_64"],"action":"SCMP_ACT_ALLOW"},{"names":["fallocate"],"action":"SCMP_ACT_ALLOW"},{"names":["fanotify_mark"],"action":"SCMP_ACT_ALLOW"},{"names":["fchdir"],"action":"SCMP_ACT_ALLOW"},{"names":["fchmod"],"action":"SCMP_ACT_ALLOW"},{"names":["fchmodat"],"action":"SCMP_ACT_ALLOW"},{"names":["fchown"],"action":"SCMP_ACT_ALLOW"},{"names":["fchown32"],"action":"SCMP_ACT_ALLOW"},{"names":["fchownat"],"action":"SCMP_ACT_ALLOW"},{"names":["fcntl"],"action":"SCMP_ACT_ALLOW"},{"names":["fcntl64"],"action":"SCMP_ACT_ALLOW"},{"names":["fdatasync"],"action":"SCMP_ACT_ALLOW"},{"names":["fgetxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["flistxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["flock"],"action":"SCMP_ACT_ALLOW"},{"names":["fork"],"action":"SCMP_ACT_ALLOW"},{"names":["fremovexattr"],"action":"SCMP_ACT_ALLOW"},{"names":["fsetxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["fstat"],"action":"SCMP_ACT_ALLOW"},{"names":["fstat64"],"action":"SCMP_ACT_ALLOW"},{"names":["fstatat64"],"action":"SCMP_ACT_ALLOW"},{"names":["fstatfs"],"action":"SCMP_ACT_ALLOW"},{"names":["fstatfs64"],"action":"SCMP_ACT_ALLOW"},{"names":["fsync"],"action":"SCMP_ACT_ALLOW"},{"names":["ftruncate"],"action":"SCMP_ACT_ALLOW"},{"names":["ftruncate64"],"action":"SCMP_ACT_ALLOW"},{"names":["futex"],"action":"SCMP_ACT_ALLOW"},{"names":["futimesat"],"action":"SCMP_ACT_ALLOW"},{"names":["getcpu"],"action":"SCMP_ACT_ALLOW"},{"names":["getcwd"],"action":"SCMP_ACT_ALLOW"},{"names":["getdents"],"action":"SCMP_ACT_ALLOW"},{"names":["getdents64"],"action":"SCMP_ACT_ALLOW"},{"names":["getegid"],"action":"SCMP_ACT_ALLOW"},{"names":["getegid32"],"action":"SCMP_ACT_ALLOW"},{"names":["geteuid"],"action":"SCMP_ACT_ALLOW"},{"names":["geteuid32"],"action":"SCMP_ACT_ALLOW"},{"names":["getgid"],"action":"SCMP_ACT_ALLOW"},{"names":["getgid32"],"action":"SCMP_ACT_ALLOW"},{"names":["getgroups"],"action":"SCMP_ACT_ALLOW"},{"names":["getgroups32"],"action":"SCMP_ACT_ALLOW"},{"names":["getitimer"],"action":"SCMP_ACT_ALLOW"},{"names":["getpeername"],"action":"SCMP_ACT_ALLOW"},{"names":["getpgid"],"action":"SCMP_ACT_ALLOW"},{"names":["getpgrp"],"action":"SCMP_ACT_ALLOW"},{"names":["getpid"],"action":"SCMP_ACT_ALLOW"},{"names":["getppid"],"action":"SCMP_ACT_ALLOW"},{"names":["getpriority"],"action":"SCMP_ACT_ALLOW"},{"names":["getrandom"],"action":"SCMP_ACT_ALLOW"},{"names":["getresgid"],"action":"SCMP_ACT_ALLOW"},{"names":["getresgid32"],"action":"SCMP_ACT_ALLOW"},{"names":["getresuid"],"action":"SCMP_ACT_ALLOW"},{"names":["getresuid32"],"action":"SCMP_ACT_ALLOW"},{"names":["getrlimit"],"action":"SCMP_ACT_ALLOW"},{"names":["get_robust_list"],"action":"SCMP_ACT_ALLOW"},{"names":["getrusage"],"action":"SCMP_ACT_ALLOW"},{"names":["getsid"],"action":"SCMP_ACT_ALLOW"},{"names":["getsockname"],"action":"SCMP_ACT_ALLOW"},{"names":["getsockopt"],"action":"SCMP_ACT_ALLOW"},{"names":["get_thread_area"],"action":"SCMP_ACT_ALLOW"},{"names":["gettid"],"action":"SCMP_ACT_ALLOW"},{"names":["gettimeofday"],"action":"SCMP_ACT_ALLOW"},{"names":["getuid"],"action":"SCMP_ACT_ALLOW"},{"names":["getuid32"],"action":"SCMP_ACT_ALLOW"},{"names":["getxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["inotify_add_watch"],"action":"SCMP_ACT_ALLOW"},{"names":["inotify_init"],"action":"SCMP_ACT_ALLOW"},{"names":["inotify_init1"],"action":"SCMP_ACT_ALLOW"},{"names":["inotify_rm_watch"],"action":"SCMP_ACT_ALLOW"},{"names":["io_cancel"],"action":"SCMP_ACT_ALLOW"},{"names":["ioctl"],"action":"SCMP_ACT_ALLOW"},{"names":["io_destroy"],"action":"SCMP_ACT_ALLOW"},{"names":["io_getevents"],"action":"SCMP_ACT_ALLOW"},{"names":["ioprio_get"],"action":"SCMP_ACT_ALLOW"},{"names":["ioprio_set"],"action":"SCMP_ACT_ALLOW"},{"names":["io_setup"],"action":"SCMP_ACT_ALLOW"},{"names":["io_submit"],"action":"SCMP_ACT_ALLOW"},{"names":["ipc"],"action":"SCMP_ACT_ALLOW"},{"names":["kill"],"action":"SCMP_ACT_ALLOW"},{"names":["lchown"],"action":"SCMP_ACT_ALLOW"},{"names":["lchown32"],"action":"SCMP_ACT_ALLOW"},{"names":["lgetxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["link"],"action":"SCMP_ACT_ALLOW"},{"names":["linkat"],"action":"SCMP_ACT_ALLOW"},{"names":["listen"],"action":"SCMP_ACT_ALLOW"},{"names":["listxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["llistxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["_llseek"],"action":"SCMP_ACT_ALLOW"},{"names":["lremovexattr"],"action":"SCMP_ACT_ALLOW"},{"names":["lseek"],"action":"SCMP_ACT_ALLOW"},{"names":["lsetxattr"],"action":"SCMP_ACT_ALLOW"},{"names":["lstat"],"action":"SCMP_ACT_ALLOW"},{"names":["lstat64"],"action":"SCMP_ACT_ALLOW"},{"names":["madvise"],"action":"SCMP_ACT_ALLOW"},{"names":["memfd_create"],"action":"SCMP_ACT_ALLOW"},{"names":["mincore"],"action":"SCMP_ACT_ALLOW"},{"names":["mkdir"],"action":"SCMP_ACT_ALLOW"},{"names":["mkdirat"],"action":"SCMP_ACT_ALLOW"},{"names":["mknod"],"action":"SCMP_ACT_ALLOW"},{"names":["mknodat"],"action":"SCMP_ACT_ALLOW"},{"names":["mlock"],"action":"SCMP_ACT_ALLOW"},{"names":["mlock2"],"action":"SCMP_ACT_ALLOW"},{"names":["mlockall"],"action":"SCMP_ACT_ALLOW"},{"names":["mmap"],"action":"SCMP_ACT_ALLOW"},{"names":["mmap2"],"action":"SCMP_ACT_ALLOW"},{"names":["mprotect"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_getsetattr"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_notify"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_open"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_timedreceive"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_timedsend"],"action":"SCMP_ACT_ALLOW"},{"names":["mq_unlink"],"action":"SCMP_ACT_ALLOW"},{"names":["mremap"],"action":"SCMP_ACT_ALLOW"},{"names":["msgctl"],"action":"SCMP_ACT_ALLOW"},{"names":["msgget"],"action":"SCMP_ACT_ALLOW"},{"names":["msgrcv"],"action":"SCMP_ACT_ALLOW"},{"names":["msgsnd"],"action":"SCMP_ACT_ALLOW"},{"names":["msync"],"action":"SCMP_ACT_ALLOW"},{"names":["munlock"],"action":"SCMP_ACT_ALLOW"},{"names":["munlockall"],"action":"SCMP_ACT_ALLOW"},{"names":["munmap"],"action":"SCMP_ACT_ALLOW"},{"names":["nanosleep"],"action":"SCMP_ACT_ALLOW"},{"names":["newfstatat"],"action":"SCMP_ACT_ALLOW"},{"names":["_newselect"],"action":"SCMP_ACT_ALLOW"},{"names":["open"],"action":"SCMP_ACT_ALLOW"},{"names":["openat"],"action":"SCMP_ACT_ALLOW"},{"names":["pause"],"action":"SCMP_ACT_ALLOW"},{"names":["pipe"],"action":"SCMP_ACT_ALLOW"},{"names":["pipe2"],"action":"SCMP_ACT_ALLOW"},{"names":["poll"],"action":"SCMP_ACT_ALLOW"},{"names":["ppoll"],"action":"SCMP_ACT_ALLOW"},{"names":["prctl"],"action":"SCMP_ACT_ALLOW"},{"names":["pread64"],"action":"SCMP_ACT_ALLOW"},{"names":["preadv"],"action":"SCMP_ACT_ALLOW"},{"names":["preadv2"],"action":"SCMP_ACT_ALLOW"},{"names":["prlimit64"],"action":"SCMP_ACT_ALLOW"},{"names":["pselect6"],"action":"SCMP_ACT_ALLOW"},{"names":["pwrite64"],"action":"SCMP_ACT_ALLOW"},{"names":["pwritev"],"action":"SCMP_ACT_ALLOW"},{"names":["pwritev2"],"action":"SCMP_ACT_ALLOW"},{"names":["read"],"action":"SCMP_ACT_ALLOW"},{"names":["readahead"],"action":"SCMP_ACT_ALLOW"},{"names":["readlink"],"action":"SCMP_ACT_ALLOW"},{"names":["readlinkat"],"action":"SCMP_ACT_ALLOW"},{"names":["readv"],"action":"SCMP_ACT_ALLOW"},{"names":["recv"],"action":"SCMP_ACT_ALLOW"},{"names":["recvfrom"],"action":"SCMP_ACT_ALLOW"},{"names":["recvmmsg"],"action":"SCMP_ACT_ALLOW"},{"names":["recvmsg"],"action":"SCMP_ACT_ALLOW"},{"names":["remap_file_pages"],"action":"SCMP_ACT_ALLOW"},{"names":["removexattr"],"action":"SCMP_ACT_ALLOW"},{"names":["rename"],"action":"SCMP_ACT_ALLOW"},{"names":["renameat"],"action":"SCMP_ACT_ALLOW"},{"names":["renameat2"],"action":"SCMP_ACT_ALLOW"},{"names":["restart_syscall"],"action":"SCMP_ACT_ALLOW"},{"names":["rmdir"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigaction"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigpending"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigprocmask"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigqueueinfo"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigreturn"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigsuspend"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_sigtimedwait"],"action":"SCMP_ACT_ALLOW"},{"names":["rt_tgsigqueueinfo"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_getaffinity"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_getattr"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_getparam"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_get_priority_max"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_get_priority_min"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_getscheduler"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_rr_get_interval"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_setaffinity"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_setattr"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_setparam"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_setscheduler"],"action":"SCMP_ACT_ALLOW"},{"names":["sched_yield"],"action":"SCMP_ACT_ALLOW"},{"names":["seccomp"],"action":"SCMP_ACT_ALLOW"},{"names":["select"],"action":"SCMP_ACT_ALLOW"},{"names":["semctl"],"action":"SCMP_ACT_ALLOW"},{"names":["semget"],"action":"SCMP_ACT_ALLOW"},{"names":["semop"],"action":"SCMP_ACT_ALLOW"},{"names":["semtimedop"],"action":"SCMP_ACT_ALLOW"},{"names":["send"],"action":"SCMP_ACT_ALLOW"},{"names":["sendfile"],"action":"SCMP_ACT_ALLOW"},{"names":["sendfile64"],"action":"SCMP_ACT_ALLOW"},{"names":["sendmmsg"],"action":"SCMP_ACT_ALLOW"},{"names":["sendmsg"],"action":"SCMP_ACT_ALLOW"},{"names":["sendto"],"action":"SCMP_ACT_ALLOW"},{"names":["setfsgid"],"action":"SCMP_ACT_ALL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firmware"],"readonlyPaths":["/proc/asound","/proc/bus","/proc/fs","/proc/irq","/proc/sys","/proc/sysrq-trigger"]}}
  • environ
  • exe -> /usr/bin/docker-containerd-shim
    • 指向启动当前进程的可执行文件（完整路径）的符号链接，通过/proc/N/exe可以启动当前进程的一个拷贝；
  • fd:这是个目录，包含当前进程打开的每一个文件的文件描述符（file descriptor），这些文件描述符是指向实际文件的一个符号链接；
image-20220405205816813
image-20220405205816813
  • fdinfo
  • gid_map
  • io
  • limits:当前进程所使用的每一个受限资源的软限制、硬限制和管理单元；此文件仅可由实际启动当前进程的UID用户读取
image-20220405205916329
image-20220405205916329
  • loginuid
  • map_files
  • maps
  • mem:当前进程所占用的内存空间，由open、read和lseek等系统调用使用，不能被用户读取；
image-20220405210029450
image-20220405210029450

  • mountinfo

  • mounts

  • mountstats

  • net

  • ns

  • numa_maps

  • oom_adj

  • oom_score

  • oom_score_adj

  • pagemap

  • patch_state

  • personality

  • projid_map

  • root -> / :指向当前进程运行根目录的符号链接；在Unix和Linux系统上，通常采用chroot命令使每个进程运行于独立的根目录；

image-20220405210133769
image-20220405210133769
  • sched
  • schedstat
  • sessionid
  • setgroups
  • smaps
  • smaps_rollup
  • stack
  • stat
  • statm
  • status
  • syscall
  • task
  • timers
  • timerslack_ns
  • uid_map
  • wchan
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