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NOP syntax

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Andreas Abel
2021-01-15 21:17:32 +01:00
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@@ -129,10 +129,10 @@ Both `nanoBench.sh` and `kernel-nanoBench.sh` support the following command-line
| Option | Description |
|------------------------------|-------------|
| `-asm <code>` | Assembler code sequence (in Intel syntax) containing the code to be benchmarked. |
| `-asm_init <code>` | Assembler code sequence (in Intel syntax) that is executed once in the beginning of every benchmark run. |
| `-asm_late_init <code>` | Assembler code sequence (in Intel syntax) that is executed once immediately before the code to be benchmarked. |
| `-asm_one_time_init <code>` | Assembler code sequence (in Intel syntax) that is executed once before the first benchmark run. |
| `-asm <code>` | Assembler code sequence (in Intel syntax<sup>[1](#syntax)</sup>) containing the code to be benchmarked. |
| `-asm_init <code>` | Assembler code sequence (in Intel syntax<sup>[1](#syntax)</sup>) that is executed once in the beginning of every benchmark run. |
| `-asm_late_init <code>` | Assembler code sequence (in Intel syntax<sup>[1](#syntax)</sup>) that is executed once immediately before the code to be benchmarked. |
| `-asm_one_time_init <code>` | Assembler code sequence (in Intel syntax<sup>[1](#syntax)</sup>) that is executed once before the first benchmark run. |
| `-code <filename>` | A binary file containing the code to be benchmarked as raw x86 machine code. *This option cannot be used together with `-asm`.* |
| `-code_init <filename>` | A binary file containing code to be executed once in the beginning of every benchmark run. *This option cannot be used together with `-asm_init`.* |
| `-code_late_init <filename>` | A binary file containing code to be executed once immediately before the code to be benchmarked. *This option cannot be used together with `-asm_late_init`.* |
@@ -154,6 +154,8 @@ Both `nanoBench.sh` and `kernel-nanoBench.sh` support the following command-line
| `-cpu <n>` | Pins the measurement thread to CPU n. `[Default: Pin the thread to the CPU it is currently running on.]` |
| `-verbose` | Outputs the results of all performance counter readings. In the user-space version, the results are printed to stdout. The output of the kernel module can be accessed using `dmesg`. |
<sup id="syntax">1</sup> As an extension, the tool also supports statements of the form `|n` (with 1&le;n&le;15) that are translated to n-byte NOPs.
The following parameters are only supported by `nanoBench.sh`.
| Option | Description |