---
name: "sigdist.d"
section: "1m"
platform: "macos"
package: "dtrace"
version: "413"
release: "macOS 26.5"
platforms: ["macos"]
url: "https://new.carta.tech/sigdist.d"
---

# sigdist.d(1m)

signal distribution by process. Uses DTrace.

## NAME

sigdist.d - signal distribution by process. Uses DTrace.

## SYNOPSIS

**sigdist.d**

## DESCRIPTION

This is a simple DTrace script that prints the number of signals recieved by process and signal number. This script is also available as /usr/demo/dtrace/sig.d, where it originates.

Since this uses DTrace, only users with root privileges can run this command.

## EXAMPLES

- This samples until Ctrl-C is hit.

  \#  **sigdist.d**

## FIELDS

- SENDER

  process name of sender

- RECIPIENT

  process name of target

- SIG

  signal number, see signal(3head)

- COUNT

  number of signals sent

## BASED ON

/usr/demo/dtrace/sig.d

## DOCUMENTATION

DTrace Guide "proc Provider" chapter (docs.sun.com)

See the DTraceToolkit for further documentation under the  Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output.

## EXIT

sigdist.d will sample until Ctrl-C is hit.

## SEE ALSO

kill.d(1M), dtrace(1M)