linux根据进程号PID查找启动程序的全路径

ls -l /proc/pid


[root@report-prod logs]# ll /proc/11494
total 0
-r--r--r--  1 root root 0 Mar 16 06:55 status
-r--r--r--  1 root root 0 Mar 16 06:55 stat
lrwxrwxrwx  1 root root 0 Mar 16 06:55 exe -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.x86_64/jre/bin/java
-r--r--r--  1 root root 0 Mar 16 06:55 cmdline
-r--r--r--  1 root root 0 Mar 16 06:55 cgroup
-r--r--r--  1 root root 0 Mar 16 06:55 mountinfo
-r--r--r--  1 root root 0 Mar 16 06:55 maps
-r--r--r--  1 root root 0 Mar 16 06:55 sessionid
dr-x------  2 root root 0 Mar 16 06:55 fd
-r--------  1 root root 0 Mar 16 06:55 environ
lrwxrwxrwx  1 root root 0 Mar 16 06:55 cwd -> /root/monitor_data
dr-xr-xr-x  7 root root 0 Mar 16 06:55 net
lrwxrwxrwx  1 root root 0 Mar 16 06:55 root -> /
-r--r--r--  1 root root 0 Mar 16 09:26 wchan
-rw-r--r--  1 root root 0 Mar 16 09:26 uid_map
-r--r--r--  1 root root 0 Mar 16 09:26 timers
dr-xr-xr-x 34 root root 0 Mar 16 09:26 task
-r--r--r--  1 root root 0 Mar 16 09:26 syscall
-r--r--r--  1 root root 0 Mar 16 09:26 statm
-r--r--r--  1 root root 0 Mar 16 09:26 stack
-r--r--r--  1 root root 0 Mar 16 09:26 smaps
-rw-r--r--  1 root root 0 Mar 16 09:26 setgroups
-r--r--r--  1 root root 0 Mar 16 09:26 schedstat
-rw-r--r--  1 root root 0 Mar 16 09:26 sched
-rw-r--r--  1 root root 0 Mar 16 09:26 projid_map
-r--r--r--  1 root root 0 Mar 16 09:26 personality
-r--------  1 root root 0 Mar 16 09:26 patch_state
-r--r--r--  1 root root 0 Mar 16 09:26 pagemap
-rw-r--r--  1 root root 0 Mar 16 09:26 oom_score_adj
-r--r--r--  1 root root 0 Mar 16 09:26 oom_score
-rw-r--r--  1 root root 0 Mar 16 09:26 oom_adj
-r--r--r--  1 root root 0 Mar 16 09:26 numa_maps
dr-x--x--x  2 root root 0 Mar 16 09:26 ns
-r--------  1 root root 0 Mar 16 09:26 mountstats
-r--r--r--  1 root root 0 Mar 16 09:26 mounts
-rw-------  1 root root 0 Mar 16 09:26 mem
dr-x------  2 root root 0 Mar 16 09:26 map_files
-rw-r--r--  1 root root 0 Mar 16 09:26 loginuid
-r--r--r--  1 root root 0 Mar 16 09:26 limits
-r--------  1 root root 0 Mar 16 09:26 io
-rw-r--r--  1 root root 0 Mar 16 09:26 gid_map
dr-x------  2 root root 0 Mar 16 09:26 fdinfo
-r--r--r--  1 root root 0 Mar 16 09:26 cpuset
-rw-r--r--  1 root root 0 Mar 16 09:26 coredump_filter
-rw-r--r--  1 root root 0 Mar 16 09:26 comm
--w-------  1 root root 0 Mar 16 09:26 clear_refs
-r--------  1 root root 0 Mar 16 09:26 auxv
-rw-r--r--  1 root root 0 Mar 16 09:26 autogroup
dr-xr-xr-x  2 root root 0 Mar 16 09:26 attr