Renesas SH7641 Technické informace stáhnout pdf (Strana 235)

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 Measurement item

Items are measured with [Channel 1 to 4] in the [Performance 1] dialog box. Maximum

four conditions can be specified at the same time. Table 6.12 shows the measurement

items (Option names in table 6.12 are parameters for <mode> of the

PERFORMANCE_SET command. They are displayed for CONDITION in the

[Performance Analysis] window).

Table 6.12 Measurement Item

Selected Name Option

Disabled None

Elapsed time AC

Number of execution states VS

Branch instruction counts BT

Number of execution instructions I

DSP-instruction execution counts DI (Devices incorporating the DSP function can

only be measured.)

Instruction/data conflict cycle MAC

Other conflict cycles than instruction/data OC

Exception/interrupt counts EA

Data-TLB miss cycle MTS (Devices incorporating the MMU function

can only be measured.)

Instruction-TLB miss cycle ITS (Devices incorporating the MMU function

can only be measured.)

Interrupt counts INT

Number of BL=1 instructions BL1

Number of MD=1 instructions MD1 (Same as ‘Number of execution

instructions’ when the MD bit is fixed to 1 in the

chip although the MD bit is assigned to bit 30 in

the SR register)

Instruction cache-miss counts IC

Data cache-miss counts DC

Instruction fetch stall IF

Data access stall DA

Instruction cache-miss stall ICS

Data cache-miss stall DCS

Cacheable access stall CS

X/Y-RAM access stall XYS (Devices incorporating the X/Y memory

can only be measured.)

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Renesas SH7641 Technické informace Strana 235