qprof(1)

qprof1

Profiling tool

Usage

qprof [{-r | -v}] [-i time] [-b size] [{-g instruction | line | function}] [-a path] [-w cols] [{-c red | blue | green | ECMA}] [-e hwevnt] [-o file] [-s] [-q dir]

command

Overview

A simple profiling utility

Options

-v

Use virtual (user mode) time for profiling

-i time

Microseconds or events between profiling ticks. 0Default 10,000 usecs or 10,000 events.

-b size

Size of PC sample buffer entries. Default 400K.

-g gran

Granularity; set to instruction, line or function

-a path

Path of addr2line command. Default /usr/bin/addr2line.

-w col

Number of columns in output

-c

color red blue green or an ECMA color.

-e

hwevnt Hardware event timer (see /usr/share/doc/qprof)

-o

file Output file if not stderr

-s

Include PC values on call stack

-q

dir Directory for q-tools compatible profile information

Environment

qprof depends on setting the LD_PRELOAD environment variable to work correctly.

From qprof 0.5.1-6 in Debian 3.1 (Sarge). Parsed by carta from the page's man source.