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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)