Kibra
DDR
Protocol
Analyzer
User
Manual
133
Bank
State
View
Teledyne
LeCroy
Figure 3.38: Bank State View Legend Display
Active States
The
active
state
of
the
bank
is
one
of
the
most
interesting
features
in
the
analysis
of
DDR
traces.
The
DDR
Protocol
Suite
provides
detailed
information
of
what
happened
inside
the
bank
active
state
by
presenting
following
information,
refer
to
The
start
and
end
time
of
bank
activation
The
active
row
address
Density
of
Read/Write
by
drawing
a
graph
with
specific
color
for
each
type
in
dif
‐
ferent
time
divisions
(*see
note
below)
The
power
down
active
state
when
the
power
down
happens
in
active
bank
Figure 3.39: Active State Detail
Figure 3.40: Visually Comparing RD/WR Density in Two Banks
Note:
*
While
calculations
involving
the
numbers
of
Reads
and
Writes
are
used
to
display
the
relative
density
of
these
commands
during
a
shown
period,
the
time
intervals
and
durations
of
these
displayed
regions
are
selected
to
allow
a
subjective
view
of
the
traffic.
This
is
why
the
regions
change
when
zooming
in
and
out.
WR
Density
Power
Down
Active
Active
State
Row
Address
Summary of Contents for Kibra DDR
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