function::ftrace (3stap)

Send a message to the ftrace ring-buffer

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  4. function::ftrace: Send a message to the ftrace ring-buffer
  1. Carta.tech
  2. Packages
  3. systemtap-doc
  4. function::ftrace: Send a message to the ftrace ring-buffer

SYNOPSIS

    ftrace(msg:string)

ARGUMENTS

msg

The formatted message string

DESCRIPTION

If the ftrace ring-buffer is configured & available, see /debugfs/tracing/trace for the message. Otherwise, the message may be quietly dropped. An implicit end-of-line is added.