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Post-Processing and Analysis Tool Sets
System Performance Analysis
Product Characteristics
SPA Tools
State Interval Display
Time Interval Display
Time Overview Display
State Overview Display
Generates
Statistical representations of the captured data
Shows the amount and percent of time spent in each of the targeted functions or data locations.
Provides
Histogram of event
Histogram of event times.
Overview of occurrence
Overview of bus/memory
activity. Display shows
Display shows a
rates over time.
activity. Display shows the
the percentage of hits
distribution of the
Measurements of the
number of hits for each
for each procedure,
execution time of a
occurrence rate of any
possible bus state.
function, or event
specific function or of
event, including
(states). Events are
the time between two
interrupts, over time.
defined as patterns or
user-defined events.
ranges associated with
any set of data (labels,
symbols).
Usage
Helps prioritize functions
Determines a specific
Views the frequency of
First step of analysis or
that are candidates for
routine’s execution times
events over time.
optimization process to
duration measurements
and verifies signal timing
identify which events occur
using the time interval tool.
specifications
most frequently.
Applications
Cache hit and miss
Measures setup and hold
Isolates defects such as
analysis. Bus headroom
times, the jitter between
invalid pointers (filtering).
analysis can be made by
two edges, or the
Distribution of signal
examining ratio of active
variation between two
voltages can tell whether a
to idle status states.
bus states.
digital signal is spending too
Examines workload of
much time in the switching
each processor in a
region. Evaluates the
multi-processor system
linearity of the output of a
to determine if system
D/A converter.
is balanced.
Displays Include
Ability to be viewed simultaneously
Filtering capabilities for removing portions of a trace that are not applicable to the analysis
Maximum Number of Events
No theoretical limit.
Number of events limited by size of the window
Up to 10,000 events tested with a standard configuration
(e.g. pixels on the screen)
