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Starting a Performance Analysis Session
ARM Streamline Performance Analyzer is a system-level
performance analysis tool for Linux and Android systems. It
uses sample-based profiling, Linux kernel trace and software
annotation techniques.
Setting up your system
To get the most out of Streamline you need:
n
TCP/IP
connection to the target, using an Ethernet link
(Linux targets) or ADB over USB (Android targets)
the gator module with the target’s Linux kernel
Build
n
and copy the gator demon to the same directory. Gator is
licensed under GPL, and works on Linux 2.6.32 or later
Enable
frame pointers when you build your application
and libraries for Streamline to generate call-path reports
Annotate
your code with a printf-style interface to the
gator driver, to highlight important software events
Add
n custom
counters to Streamline by pointing to
their address in the memory map in the gator driver.
Launching Streamline
In Eclipse, open the ARM Streamline Data view in the
Streamline perspective. Alternatively, start a capture and
Type the name to be used for
capture and report files
Streamline generates code-level
reports for selected images
Streaming data over TCP/IP
enables long-term data capture
Check this box to generate call
path and stack reports
generate reports from the host’s command line with the
streamline command.
Streamline Capture Options Dialog.
Type the target’s TCP/IP
address and click “play”
Double-click on a capture
file to generate a report
Open capture and counter
configuration dialogs
Double-click on a report
file to open it
List of available processor
and system counters
Integrated counter
documentation
List of counters to collect
and to sample with
Number of events that
trigger an event sample
Click here to enable
event-based sampling
Import and export counter
configuration settings
10
DS-5 Quick Start Guide
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