Hi
You were right, I was wrong, dtrace does not work with all functions. Therefore, as a result, we see a probe error
P.S.
I think I've found a solution for the userland programs
ps -awx | grep php
342 - Ss 8:55.06 php-fpm: master process (/usr/local/lib/php-fpm.conf) (php-fpm)
23960 - I 3:31.30 php-fpm: pool nginx (php-fpm)
27761 - I 2:07.14 php-fpm: pool nginx (php-fpm)
31652 - I 3:16.94 php-fpm: pool nginx (php-fpm)
37038 - I 3:12.25 php-fpm: pool nginx (php-fpm)
46849 - I 0:55.34 php-fpm: pool nginx (php-fpm)
55575 - I 3:18.29 php-fpm: pool nginx (php-fpm)
94877 - I 2:03.82 php-fpm: pool nginx (php-fpm)
2 using dtrace
dtrace -qn 'pid342:radius.so::entry { @[probefunc] = count();}'
dtrace -l | grep pid
70870 pid342 radius.so zif_radius_put_vendor_addr entry
70871 pid342 radius.so rad_close entry
70872 pid342 radius.so rad_create_request entry
70873 pid342 radius.so rad_put_vendor_int entry
70874 pid342 radius.so rad_demangle entry
70875 pid342 radius.so zif_radius_get_vendor_attr entry
70876 pid342 radius.so rad_strerror entry
70877 pid342 radius.so zif_radius_send_request entry
70878 pid342 radius.so zif_radius_get_tagged_attr_tag entry
70879 pid342 radius.so zif_radius_demangle entry
70880 pid342 radius.so zif_radius_request_authenticator entry
70881 pid342 radius.so zif_radius_put_int entry
70882 pid342 radius.so rad_salt_value entry
70883 pid342 radius.so zif_radius_salt_encrypt_attr entry
70884 pid342 radius.so zif_radius_strerror entry
70885 pid342 radius.so zif_radius_config entry
70886 pid342 radius.so zif_radius_cvt_int entry
70887 pid342 radius.so rad_acct_open entry
70888 pid342 radius.so zif_radius_cvt_string entry
70889 pid342 radius.so zif_radius_server_secret entry
70890 pid342 radius.so zif_radius_get_tagged_attr_data entry
70891 pid342 radius.so rad_put_vendor_attr entry
70892 pid342 radius.so rad_send_request entry
70893 pid342 radius.so rad_put_vendor_addr entry
70894 pid342 radius.so zif_radius_add_server entry
70895 pid342 radius.so zif_radius_close entry
70896 pid342 radius.so rad_get_vendor_attr entry
70897 pid342 radius.so rad_init_send_request entry
70898 pid342 radius.so zif_radius_auth_open entry
70899 pid342 radius.so _radius_close entry
70900 pid342 radius.so rad_continue_send_request entry
70901 pid342 radius.so get_module entry
70902 pid342 radius.so rad_put_int entry
70903 pid342 radius.so rad_put_attr entry
70904 pid342 radius.so rad_auth_open entry
70905 pid342 radius.so rad_get_attr entry
70906 pid342 radius.so rad_cvt_int entry
70907 pid342 radius.so zif_radius_acct_open entry
70908 pid342 radius.so rad_cvt_addr entry
70909 pid342 radius.so rad_put_addr entry
70910 pid342 radius.so rad_server_secret entry
70911 pid342 radius.so zif_radius_put_attr entry
70912 pid342 radius.so zif_radius_get_attr entry
70913 pid342 radius.so zif_radius_cvt_addr entry
70914 pid342 radius.so zif_radius_put_addr entry
70915 pid342 radius.so zm_startup_radius entry
70916 pid342 radius.so rad_config entry
70917 pid342 radius.so zm_info_radius entry
70918 pid342 radius.so zif_radius_demangle_mppe_key entry
70919 pid342 radius.so zif_radius_create_request entry
70920 pid342 radius.so rad_open entry
70921 pid342 radius.so zif_radius_put_vendor_int entry
70922 pid342 radius.so zif_radius_put_string entry
70923 pid342 radius.so rad_cvt_string entry
70924 pid342 radius.so rad_demangle_mppe_key entry
70925 pid342 radius.so rad_put_string entry
70926 pid342 radius.so rad_request_authenticator entry
70927 pid342 radius.so zif_radius_put_vendor_string entry
70928 pid342 radius.so zif_radius_put_vendor_attr entry
70929 pid342 radius.so zm_shutdown_radius entry
70930 pid342 radius.so rad_put_vendor_string entry
70931 pid342 radius.so rad_add_server entry
for example ,
dtrace -n 'pid342:radius.so:rad_send_request:return {printf("=>%d",arg1)}'
dtrace: description 'pid342:radius.so:rad_send_request:return ' matched 1 probe