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Streamline Profiling Reports
Navigating a Streamline report
A Streamline report provides a great depth of
performance-related information on seven panes: Timeline,
Call Paths, Functions, Code, Call Graph, Stack Analysis and
Logs.
Start with the Timeline and Functions for an overview of
the execution. Use the other panes to focus your analysis.
Use the tabs on the top to navigate between the panes.
Alternatively, right-click on a function name to highlight the
function on another pane.
Sampling on events
By default, the Streamline profiling reports are generated by
sampling the program counter every 1 ms or 1 0ms.
When you enable event-based sampling, Streamline takes
samples when an event counter reaches the Threshold value
selected. These samples fall on the instruction that caused
the last event, and are used to fill the profiling reports with
event-based data instead of time-based data.
For example, event-based sampling can be used to explore
which parts of the code are causing cache misses or branch
mispredictions. This feature requires PMU sampling support
on the target and its Linux distribution.
Call tree shows processor time
spent on each individual call path
Color-coding assists with the
identification of hot spots
All table-based reports can be
exported to text files
Profiling report for the selected
process, thread or call path
Color coding makes it easy to identify hot spots
Function usage highlighted with color coding
Profiling data is reported down to
source code or assembler level
Select a line of code to see its
matching assembler code
The mini-map shows all the
functions in the code
Click on a function to highlight
callers and callees
Open a source file in the code view to deepen the analysis
The call graph displays the relationships between functions
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