From: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
To: Bruce Richardson <bruce.richardson@intel.com>,
Thomas Monjalon <thomas@monjalon.net>
Cc: Anoob Joseph <anoobj@marvell.com>,
Akhil Goyal <akhil.goyal@nxp.com>,
Declan Doherty <declan.doherty@intel.com>,
Aviad Yehezkel <aviadye@mellanox.com>,
Boris Pismenny <borisp@mellanox.com>,
Radu Nicolau <radu.nicolau@intel.com>,
Anoob Joseph <anoob.joseph@caviumnetworks.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [EXT] Re: [dpdk-dev] [PATCH v2 01/13] security: fix verification of parameters
Date: Thu, 9 Apr 2020 16:21:23 +0200 [thread overview]
Message-ID: <91240a63-76d0-508e-3071-b1e871c74294@partner.samsung.com> (raw)
In-Reply-To: <cecc0c0d-a676-4963-b46d-121f0584ed41@partner.samsung.com>
W dniu 09.04.2020 o 16:07, Lukasz Wojciechowski pisze:
>
> W dniu 09.04.2020 o 13:13, Bruce Richardson pisze:
>> On Thu, Apr 09, 2020 at 12:54:10PM +0200, Thomas Monjalon wrote:
>>> 09/04/2020 12:14, Bruce Richardson:
>>>> On Wed, Apr 08, 2020 at 07:51:35PM +0200, Thomas Monjalon wrote:
>>>>> 08/04/2020 17:49, Lukasz Wojciechowski:
>>>>>> Hi guys,
>>>>>>
>>>>>> I don't know what is the current status of "legacy" build using
>>>>>> gnumakes, so I added the new DEBUG flag to config just as it was
>>>>>> done in
>>>>>> other libs like eventdev.
>>>>>> Many guides still point config files as the one that should be
>>>>>> changed
>>>>>> in order to enable some features, so I thought I should add it
>>>>>> there.
>>>>>>
>>>>>> If I understand well the official build system now is the one
>>>>>> based on
>>>>>> using meson and ninja, however it hasn't got anything similar to the
>>>>>> gnamakefiles system, e.g.
>>>>>> in the meson.build file for libraries all the libraries have build
>>>>>> variable set to true and there are few ifs that check it, but as
>>>>>> it's
>>>>>> set to true all libraries build always.
>>>>>> And each library considered there defines RTE_LIBRTE_[LIBRARY_NAME].
>>>>>> It's kind of weird.
>>>>>>
>>>>>> foreach l:libraries
>>>>>> * build = true**
>>>>>> * reason = '<unknown reason>' # set if build == false to
>>>>>> explain why
>>>>>> ...
>>>>>> * if not build*
>>>>>> dpdk_libs_disabled += name
>>>>>> set_variable(name.underscorify() +
>>>>>> '_disable_reason', reason)
>>>>>> else
>>>>>> enabled_libs += name
>>>>>> *dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)*
>>>>>> ...
>>>>>>
>>>>>> Have you think about reusing config files in meson configuration and
>>>>>> have a single point of configuration? Of course all meson flags can
>>>>>> overwrite the default config.
>>>>> This is on purpose.
>>>>> We are removing most of compile-time options with meson.
>>>>>
>>>>> I think we can use a global option for debug-specific code.
>>>>> Bruce, what do you recommend?
>>>>>
>>>> Meson has a built-in global debug setting which could be used.
>>>> However,
>>>> that may be too course-grained. If that is the case there are a
>>>> couple of
>>>> options:
>>>>
>>>> 1 Each library can have it's own debug flag defined, which is set on
>>>> the commandline in CFLAGS. Can be done right now - just reuse
>>>> any of the
>>>> debug variables in the existing make config files (stripping off
>>>> the
>>>> CONFIG_), e.g. CFLAGS=-DRTE_MALLOC_DEBUG
>>>> 2 Since that is perhaps not the most usable - though easiest to
>>>> implement -
>>>> we can look to add a general debug option (or couple of options) in
>>>> meson, e.g. debug_libs=, debug_drivers=, where each option takes
>>>> a list of
>>>> libs or drivers to pass the debug flags to. This will require a
>>>> little
>>>> work in the meson build infrastructure, but is not that hard.
>>>> The harder
>>>> part is standardizing the debug flags across all components.
>>>>
>>>> The advantage of #1 is that it works today and just needs some
>>>> documentation for each lib/driver what it's debug flags are. The
>>>> advantage
>>>> of #2 is more usability, but it requires a lot more work to
>>>> standardize
>>>> IMHO.
>>> In this case, we need a general option as the one already provided
>>> by meson.
>>> It means: "I am not in production, I want to see anything behaving
>>> wrong
>>> in the datapath."
>>> "Anything" means we don't need a per-library switch.
>>> And for the other needs (out of fast path), we have a new function:
>>> rte_log_can_log(mylogtype, RTE_LOG_DEBUG)
>>>
>> To use the general option in meson something like below is probably all
>> that is needed to flag the debug build to all components:
>>
>> diff --git a/config/meson.build b/config/meson.build
>> index 49482091d..b01cd1251 100644
>> --- a/config/meson.build
>> +++ b/config/meson.build
>> @@ -176,6 +176,10 @@ endif
>> # add -include rte_config to cflags
>> add_project_arguments('-include', 'rte_config.h', language: 'c')
>>
>> +if get_option('debug')
>> + add_project_arguments('-DDEBUG', language: 'c')
>> +endif
>> +
>
> This will conflict with DEBUG define for log level.
Just to be more precise, the log level is defined as RTE_LOG_DEBUG, but
in few places you can find something like:
#define NTB_LOG(level, fmt, args...) \
rte_log(RTE_LOG_ ## level, ntb_logtype, "%s(): " fmt "\n", \
__func__, ##args)
and usage like this:
NTB_LOG(DEBUG, "Link is not up.");
>
> How about adding similar define in library meson.build file? , e.g
>
> diff --git a/lib/librte_security/meson.build
> b/lib/librte_security/meson.build
> index 5679c8b5c..ee92483c5 100644
> --- a/lib/librte_security/meson.build
> +++ b/lib/librte_security/meson.build
> @@ -4,3 +4,7 @@
> sources = files('rte_security.c')
> headers = files('rte_security.h', 'rte_security_driver.h')
> deps += ['mempool', 'cryptodev']
> +
> +if get_option('debug')
> + add_project_arguments('-DRTE_LIBRTE_SECURITY_DEBUG', language: 'c')
> +endif
>
>
>> # enable extra warnings and disable any unwanted warnings
>> warning_flags = [
>> # -Wall is added by meson by default, so add -Wextra only
>>
--
Lukasz Wojciechowski
Principal Software Engineer
Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 88 25
l.wojciechow@partner.samsung.com
next prev parent reply other threads:[~2020-04-09 14:21 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200312151654.7218-1-l.wojciechow@partner.samsung.com>
[not found] ` <20200408031351.4288-1-l.wojciechow@partner.samsung.com>
[not found] ` <CGME20200408031447eucas1p1376332353faa0d217e7be8c32271405f@eucas1p1.samsung.com>
2020-04-08 3:13 ` [dpdk-stable] " Lukasz Wojciechowski
2020-04-08 12:54 ` Thomas Monjalon
2020-04-08 13:02 ` [dpdk-stable] [dpdk-dev] " Anoob Joseph
2020-04-08 13:26 ` Thomas Monjalon
2020-04-08 14:44 ` [dpdk-stable] [EXT] " Anoob Joseph
2020-04-08 15:49 ` Lukasz Wojciechowski
2020-04-08 17:51 ` Thomas Monjalon
2020-04-09 10:14 ` Bruce Richardson
2020-04-09 10:54 ` Thomas Monjalon
2020-04-09 11:13 ` Bruce Richardson
2020-04-09 14:07 ` Lukasz Wojciechowski
2020-04-09 14:21 ` Lukasz Wojciechowski [this message]
2020-04-09 15:22 ` Thomas Monjalon
2020-04-09 16:10 ` Lukasz Wojciechowski
2020-04-10 8:45 ` Bruce Richardson
[not found] ` <CGME20200408031448eucas1p2b36997fc73f5b5e2aadb6e4bb965063b@eucas1p2.samsung.com>
2020-04-08 3:13 ` [dpdk-stable] [PATCH v2 02/13] security: fix return types in documentation Lukasz Wojciechowski
[not found] ` <CGME20200408031448eucas1p2d6df7ff419bb093606a2f9115297f45a@eucas1p2.samsung.com>
2020-04-08 3:13 ` [dpdk-stable] [PATCH v2 03/13] security: fix session counter Lukasz Wojciechowski
[not found] ` <CGME20200408031449eucas1p1ca89719463cbaf29e9f7c81beaec88c2@eucas1p1.samsung.com>
2020-04-08 3:13 ` [dpdk-stable] [PATCH v2 04/13] app/test: fix macro definition Lukasz Wojciechowski
2020-04-08 12:53 ` Thomas Monjalon
2020-04-08 16:15 ` Lukasz Wojciechowski
2020-04-08 17:47 ` Thomas Monjalon
2020-04-09 14:10 ` Lukasz Wojciechowski
[not found] ` <20200409172502.1693-1-l.wojciechow@partner.samsung.com>
[not found] ` <CGME20200409172529eucas1p1f02aaf66052f45ac75ba9e9f63ef1c3a@eucas1p1.samsung.com>
2020-04-09 17:24 ` [dpdk-stable] [PATCH v3 01/13] security: fix verification of parameters Lukasz Wojciechowski
2020-04-13 15:42 ` [dpdk-stable] [dpdk-dev] " Anoob Joseph
[not found] ` <CGME20200409172530eucas1p27297a83a9d7508e3f8a8f88850cbe37c@eucas1p2.samsung.com>
2020-04-09 17:24 ` [dpdk-stable] [PATCH v3 02/13] security: fix return types in documentation Lukasz Wojciechowski
2020-04-13 15:43 ` [dpdk-stable] [dpdk-dev] " Anoob Joseph
[not found] ` <CGME20200409172531eucas1p1c3ec21532e5e232ff2d68d56f096e71c@eucas1p1.samsung.com>
2020-04-09 17:24 ` [dpdk-stable] [PATCH v3 03/13] security: fix session counter Lukasz Wojciechowski
2020-04-13 15:48 ` [dpdk-stable] [dpdk-dev] " Anoob Joseph
[not found] ` <CGME20200409172532eucas1p285bc6767be1d62a0098d177a7757169f@eucas1p2.samsung.com>
2020-04-09 17:24 ` [dpdk-stable] [PATCH v3 04/13] app/test: remove macro definition Lukasz Wojciechowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=91240a63-76d0-508e-3071-b1e871c74294@partner.samsung.com \
--to=l.wojciechow@partner.samsung.com \
--cc=akhil.goyal@nxp.com \
--cc=anoob.joseph@caviumnetworks.com \
--cc=anoobj@marvell.com \
--cc=aviadye@mellanox.com \
--cc=borisp@mellanox.com \
--cc=bruce.richardson@intel.com \
--cc=declan.doherty@intel.com \
--cc=dev@dpdk.org \
--cc=radu.nicolau@intel.com \
--cc=stable@dpdk.org \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).