test

linux_print_process_tree.sh

[root@ip-12-0-1-211 httpd]# cat print_process_tree.sh 
#!/usr/bin/env bash

process=$1
pgrep -lf "$process"  |  head -1 | pstree -p $(cut -d" " -f1);
echo 'Total count: ' $(pgrep -lf "$process"  | wc -l)

[root@ip-12-0-1-211 httpd]# ./print_process_tree.sh ssh
sshd(2757)───sshd(2761)───bash(2762)───sudo(2793)───su(2794)───bash(2795)───bash(11445)─┬─pgrep(11446)
                                                                                        └─pstree(11448)
[root@ip-12-0-1-211 httpd]# ./print_process_tree.sh httpd
httpd(6572)─┬─httpd(11348)
            ├─httpd(11361)
            ├─httpd(11375)
            ├─httpd(11378)
            ├─httpd(11401)
            ├─httpd(11426)
            ├─httpd(11432)
            ├─httpd(11433)
            ├─httpd(11434)
            ├─httpd(11435)
            ├─httpd(11437)
            ├─httpd(11438)
            ├─httpd(11439)
            ├─httpd(11440)
            ├─httpd(11441)
            ├─httpd(11442)
            ├─httpd(11443)
            └─httpd(11444)