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Date: Thu, 26 Sep 2024 09:22:26 +0800
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Subject: Re: [PATCH v8 2/8] ethdev: add telemetry cmd for registers
To: Jie Hai <haijie1@huawei.com>, <dev@dpdk.org>, <thomas@monjalon.net>,
<ferruh.yigit@amd.com>, <andrew.rybchenko@oktetlabs.ru>
CC: <lihuisong@huawei.com>
References: <20231214015650.3738578-1-haijie1@huawei.com>
<20240925064038.27135-1-haijie1@huawei.com>
<20240925064038.27135-3-haijie1@huawei.com>
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From: fengchengwen <fengchengwen@huawei.com>
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Acked-by: Chengwen Feng <fengchengwen@huawei.com>
On 2024/9/25 14:40, Jie Hai wrote:
> This patch adds a telemetry command for registers dump,
> and supports obtaining the registers of a specified module.
>
> In one way, the number of registers that can be exported
> is limited by the number of elements carried by dict and
> container. In another way, the length of the string
> exported by telemetry is limited by MAX_OUTPUT_LEN.
> Therefore, when the number of registers to be exported
> exceeds, some information will be lost. Warn on the former
> case.
>
> An example usage is shown below:
> --> /ethdev/regs,0,ring
> {
> "/ethdev/regs": {
> "registers_length": 318,
> "registers_width": 4,
> "register_offset": "0x0",
> "version": "0x1140011",
> "group_0": {
> "Q0_ring_rx_bd_num": "0x0",
> "Q0_ring_rx_bd_len": "0x0",
> ...
> },
> "group_1": {
> ...
> },
> ...
> }
>
> Signed-off-by: Jie Hai <haijie1@huawei.com>
> Reviewed-by: Ferruh Yigit <ferruh.yigit@amd.com>