Hi Tomasz, <snipped>
> +dpdk-test-compress-perf Application > +=================================== > + Suggestion to remove extra '=' > +The ``dpdk-test-compress-perf`` tool is a Data Plane Development Kit > +(DPDK) utility that allows measuring performance parameters of PMDs Is this test application or utility like procinfo or pdump? > +available in the compress tree. The application reads the data from a > +file (--input-file), dumps all the file into a buffer and fills out the > +data of input mbufs, which are passed to compress device with compression > operations. > +Then, the output buffers are fed into the decompression stage, and the > +resulting data is compared against the original data (verification > +phase). After that, a number of iterations are performed, compressing > +first and decompressing later, to check the throughput rate (showing > +cycles/iteration, cycles/Byte and Gbps, for compression and decompression). > + > + > +Limitations > +~~~~~~~~~~~ > + Suggestion to remove extra '~' > +* Only supports the fixed compression and stateless operation. > + Is the limitation of the application that it will not cover stateful? > +Command line options > +-------------------- > + > + ``--driver-name NAME``: compress driver to use > + > + ``--input-file NAME``: file to compress and decompress > + > + ``--extended-input-sz N``: extend file data up to this size (default: > + no extension) > + > + ``--seg-sz N``: size of segment to store the data (default: 2048) > + > + ``--burst-sz N``: compress operation burst size > + > + ``--pool-sz N``: mempool size for compress operations/mbufs (default: > + 8192) > + > + ``--max-num-sgl-segs N``: maximum number of segments for each mbuf > + (default: 16) > + > + ``--num-iter N``: number of times the file will be > + compressed/decompressed (default: 10000) > + > + ``--operation [comp/decomp/comp_and_decomp]``: perform test on > + compression, decompression or both operations > + > + ``--huffman-enc [fixed/default]``: Huffman encoding (default: fixed) > + > + ``--compress-level N``: compression level, which could be a single > + value, list or range (default: range between 1 and 9) > + > + ``--window-sz N``: base two log value of compression window size > + (default: max supported by PMD) > + > + ``-h``: prints this help > + > + > +Compiling the Application > +------------------------- > + > +**Step 1: PMD setting** > + > +The ``dpdk-test-compress-perf`` tool depends on compression device > +drivers PMD which can be disabled by default in the build configuration file > ``common_base``. > +The compression device drivers PMD which should be tested can be enabled > by setting:: > + > + CONFIG_RTE_LIBRTE_PMD_ISAL=y > + Does this application only run with ISAL? If yes will it be ok to mention this in limitation? > + > +Running the Application > +----------------------- > + > +The tool application has a number of command line options. Here is the > sample command line: > + Here we are using 'tool application'. Would either one of application or utility state the right usage?
