应用介绍

mlnx_tune是静态系统分析和调整工具。 它具有两个主要功能-“报告”和“调整”。 报告功能用于对系统进行静态分析。 调整功能基本上是针对不同情况的《 Mellanox性能调整指南》准则的自动化实现。 该工具检查当前性能相关性和系统属性，并根据所选配置文件将系统调整为最大性能。 使用选定的配置文件，mlnx_tune可以更改接口属性，流量处理的核心分配以及系统服务（IRQ Balancer，IP转发，防火墙等）。

# mlnx_tune -h

Usage: mlnx_tune [options]

Options:

-h, --help show this help message and exit

-d, --debug_info dump system debug information without setting a

profile

-r, --report Report HW/SW status and issues without setting a

profile

-c, --colored Switch using colored/monochromed status reports. Only

applicable with --report

-p PROFILE, --profile=PROFILE

Set profile and run it. choose from:

['HIGH_THROUGHPUT',

'IP_FORWARDING_MULTI_STREAM_THROUGHPUT',

'IP_FORWARDING_MULTI_STREAM_PACKET_RATE',

'IP_FORWARDING_SINGLE_STREAM',

'IP_FORWARDING_SINGLE_STREAM_0_LOSS',

'IP_FORWARDING_SINGLE_STREAM_SINGLE_PORT',

'LOW_LATENCY_VMA']

-q, --verbosity print debug information to the screen [default False]

-v, --version print tool version and exit [default False]

-i INFO_FILE_PATH, --info_file_path=INFO_FILE_PATH

info_file path. [default %s]

# mlnx_tune -p HIGH_THROUGHPUT

2016-01-29 11:34:17,729 INFO Collecting node information

2016-01-29 11:34:17,729 INFO Collecting OS information

2016-01-29 11:34:17,734 INFO Collecting CPU information

2016-01-29 11:34:17,985 INFO Collecting IRQ balancer information

2016-01-29 11:34:18,044 INFO Collecting firewall information

2016-01-29 11:34:19,827 INFO Collecting IP forwarding information

2016-01-29 11:34:19,835 INFO Collecting hyper threading information

2016-01-29 11:34:19,835 INFO Collecting IOMMU information

2016-01-29 11:34:19,839 INFO Collecting driver information

2016-01-29 11:34:20,841 INFO Collecting Mellanox devices information

2016-01-29 11:34:26,727 INFO Applying High Throughput profile.

2016-01-29 11:34:26,786 WARNING Failed to run cmd: /etc/init.d/irqbalance stop

2016-01-29 11:34:26,786 WARNING Unable to stop irqbalancer

2016-01-29 11:34:27,184 INFO Some devices' properties might have changed - re-query system information.

2016-01-29 11:34:27,184 INFO Collecting node information

2016-01-29 11:34:27,184 INFO Collecting OS information

2016-01-29 11:34:27,184 INFO Collecting CPU information

2016-01-29 11:34:27,343 INFO Collecting IRQ balancer information

2016-01-29 11:34:27,383 INFO Collecting firewall information

2016-01-29 11:34:28,343 INFO Collecting IP forwarding information

2016-01-29 11:34:28,347 INFO Collecting hyper threading information

2016-01-29 11:34:28,348 INFO Collecting IOMMU information

2016-01-29 11:34:28,349 INFO Collecting driver information

2016-01-29 11:34:29,089 INFO Collecting Mellanox devices information

2016-01-29 11:34:32,220 INFO System info file: /tmp/mlnx_tune_160129_113416.log