Provided by: systemtap-doc_4.8-1_amd64 bug

NAME

       function::assert - evaluate assertion

SYNOPSIS

       1) assert(expression:long)

       2) assert(expression:long,msg:string)

ARGUMENTS

       expression
           The expression to evaluate

       msg
           The formatted message string

DESCRIPTION

       1) This function checks the expression and aborts the current running probe if expression
       evaluates to zero. Useserror and may be caught by try{} catch{}. A default message will be
       displayed.

       2) This function checks the expression and aborts the current running probe if expression
       evaluates to zero. Useserror and may be caught by try{} catch{}. The specified message
       will be displayed.

SEE ALSO

       tapset::logging(3stap)