---
name: "verilator_gantt"
section: "1"
platform: "linux"
package: "verilator"
version: "5.054-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/verilator_gantt"
---

# verilator\_gantt(1)

Create Gantt chart of Verilator multi-threaded execution

## NAME

verilator\_gantt - Create Gantt chart of Verilator multi-threaded execution

## DESCRIPTION

usage: verilator\_gantt \[-h\] \[--debug\] \[--no-vcd\] \[--vcd VCD\] filename

Create Gantt chart of Verilator multi-threaded execution

Verilator\_gantt creates a visual representation to help analyze Verilator #xmultithreaded simulation performance, by showing when each macro-task #xstarts and ends, and showing when each thread is busy or idle.

For documentation see https://verilator.org/guide/latest/exe\_verilator\_gantt.html

### positional arguments:

- filename

  input profile\_exec.dat filename to process

### options:

- **-h**, **--help**

  show this help message and exit

- **--debug**

  enable debug

- **--no-vcd**

  disable creating vcd

- **--vcd** VCD

  filename for vcd output

This program is free software; you can redistribute it and/or modify it under the terms of either the GNU Lesser General Public License Version 3 or the Perl Artistic License Version 2.0.

SPDX-FileCopyrightText: 2018-2026 Wilson Snyder SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0