DPDK patches and discussions
 help / color / mirror / Atom feed
From: Thomas Monjalon <thomas@monjalon.net>
To: "Kinsella, Ray" <mdr@ashroe.eu>
Cc: Bruce Richardson <bruce.richardson@intel.com>,
	dev@dpdk.org, david.marchand@redhat.com,
	mb@smartsharesystems.com, Neil Horman <nhorman@tuxdriver.com>
Subject: Re: [dpdk-dev] [PATCH v3 07/11] eal: add log level help
Date: Mon, 15 Mar 2021 11:52:13 +0100
Message-ID: <4942393.sW9uhsZSEm@thomas> (raw)
In-Reply-To: <db2065da-787c-44fd-929e-24d4f8267559@ashroe.eu>

15/03/2021 11:42, Kinsella, Ray:
> 
> On 15/03/2021 10:31, Bruce Richardson wrote:
> > On Mon, Mar 15, 2021 at 10:19:47AM +0000, Kinsella, Ray wrote:
> >>
> >>
> >> On 12/03/2021 18:17, Thomas Monjalon wrote:
> >>> The option --log-level was not completely described in the usage text,
> >>> and it was difficult to guess the names of the log types and levels.
> >>>
> >>> A new value "help" is accepted after --log-level to give more details
> >>> about the syntax and listing the log types and levels.
> >>>
> >>> The array "levels" used for level name parsing is replaced with
> >>> a (modified) existing function which was used in rte_log_dump().
> >>>
> >>> The new function rte_log_list_types() is exported in the API
> >>> for allowing an application to give this info to the user
> >>> if not exposing the EAL option --log-level.
> >>> The list of log types cannot include all drivers if not linked in the
> >>> application (shared object plugin case).
> >>>
> >>> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> >>> ---
> >>>  lib/librte_eal/common/eal_common_log.c     | 24 +++++++++---
> >>>  lib/librte_eal/common/eal_common_options.c | 44 +++++++++++++++-------
> >>>  lib/librte_eal/common/eal_log.h            |  5 +++
> >>>  lib/librte_eal/include/rte_log.h           | 11 ++++++
> >>>  lib/librte_eal/version.map                 |  3 ++
> >>>  5 files changed, 69 insertions(+), 18 deletions(-)
> >>>
> > <snip>
> >>> @@ -1274,6 +1286,11 @@ eal_parse_log_level(const char *arg)
> >>>  	char *str, *level;
> >>>  	int priority;
> >>>  
> >>> +	if (strcmp(arg, "help") == 0) {
> >>
> >> So I think the convention is to support both "?" and "help".
> >> Qemu does this at least. 
> >>
> > I've seen "/?" used for help on windows binaries, but "-?" not so much in the
> > linux world, where --help (and often -h for short) seem to be the standard.
> > 
> 
> This is slightly different - it is where you are looking to return a list of valid 
> values for a parameter. So for instance in qemu mentioned above 
> 
>  ~ > qemu-system-x86_64 -cpu ? | head -n 10

"?" is a special character.
In my zsh, I need to quote it to avoid globbing parsing,
so I'm not a fan.

I will let you extend the syntax in a separate patch :)



  reply	other threads:[~2021-03-15 10:52 UTC|newest]

Thread overview: 121+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 23:31 [dpdk-dev] [PATCH 00/11] improve options help Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 01/11] eal: explain argv behaviour during init Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 02/11] eal: improve options usage text Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 03/11] eal: use macros for help option Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 04/11] eal: move private log functions Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 05/11] eal: introduce maximum log level macro Thomas Monjalon
2021-03-10 12:46   ` Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 06/11] eal: catch invalid log level number Thomas Monjalon
2021-03-10 12:19   ` Bruce Richardson
2021-03-10 12:33     ` Thomas Monjalon
2021-03-10 13:26       ` Bruce Richardson
2021-03-10 13:35         ` Thomas Monjalon
2021-03-10 16:35           ` Morten Brørup
2021-03-10 16:52           ` Bruce Richardson
2021-03-10 15:16     ` Stephen Hemminger
2021-03-09 23:31 ` [dpdk-dev] [PATCH 07/11] eal: add log level help Thomas Monjalon
2021-03-09 23:31 ` [dpdk-dev] [PATCH 08/11] app: fix exit messages Thomas Monjalon
2021-03-10  7:10   ` Ori Kam
2021-03-10  9:23   ` Wisam Monther
2021-03-09 23:31 ` [dpdk-dev] [PATCH 09/11] app: hook in EAL usage help Thomas Monjalon
2021-03-10  9:25   ` Wisam Monther
2021-03-09 23:31 ` [dpdk-dev] [PATCH 10/11] app/regex: fix usage text Thomas Monjalon
2021-03-10  7:08   ` Ori Kam
2021-03-09 23:31 ` [dpdk-dev] [PATCH 11/11] app/testpmd: " Thomas Monjalon
2021-03-12 19:09   ` Ajit Khaparde
2021-03-10  0:45 ` [dpdk-dev] [PATCH 00/11] improve options help Stephen Hemminger
2021-03-10 13:28 ` [dpdk-dev] [PATCH v2 " Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 01/11] eal: explain argv behaviour during init Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 02/11] eal: improve options usage text Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 03/11] eal: use macros for help option Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 04/11] eal: move private log functions Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 05/11] eal: introduce maximum log level macro Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 06/11] eal: catch invalid log level number Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 07/11] eal: add log level help Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 08/11] app: fix exit messages Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 09/11] app: hook in EAL usage help Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 10/11] app/regex: fix usage text Thomas Monjalon
2021-03-10 13:28   ` [dpdk-dev] [PATCH v2 11/11] app/testpmd: " Thomas Monjalon
2021-03-12 18:17 ` [dpdk-dev] [PATCH v3 00/11] improve options help Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 01/11] eal: explain argv behaviour during init Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 02/11] eal: improve options usage text Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 03/11] eal: use macros for help option Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 04/11] eal: move private log functions Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 05/11] eal: introduce maximum log level macro Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 06/11] eal: catch invalid log level number Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 07/11] eal: add log level help Thomas Monjalon
2021-03-15 10:19     ` Kinsella, Ray
2021-03-15 10:31       ` Bruce Richardson
2021-03-15 10:42         ` Kinsella, Ray
2021-03-15 10:52           ` Thomas Monjalon [this message]
2021-03-15 15:59             ` Stephen Hemminger
2021-03-15 17:01               ` Kinsella, Ray
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 08/11] app: fix exit messages Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 09/11] app: hook in EAL usage help Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 10/11] app/regex: fix usage text Thomas Monjalon
2021-03-12 18:17   ` [dpdk-dev] [PATCH v3 11/11] app/testpmd: " Thomas Monjalon
2021-03-19  8:59     ` Li, Xiaoyun
2021-03-19  9:29       ` Thomas Monjalon
2021-03-15  9:40   ` [dpdk-dev] [PATCH v3 00/11] improve options help Bruce Richardson
2021-03-15 10:47     ` Andrew Rybchenko
2021-03-21 22:31 ` [dpdk-dev] [PATCH v4 " Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 01/11] eal: explain argv behaviour during init Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 02/11] eal: improve options usage text Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 03/11] eal: use macros for help option Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 04/11] eal: move private log functions Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 05/11] eal: introduce maximum log level macro Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 06/11] eal: catch invalid log level number Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 07/11] eal: add log level help Thomas Monjalon
2021-03-23 13:37     ` David Marchand
2021-03-23 15:10       ` Thomas Monjalon
2021-03-23 18:18         ` David Marchand
2021-03-23 18:41           ` Thomas Monjalon
2021-03-24 13:41             ` David Marchand
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 08/11] app: fix exit messages Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 09/11] app: hook in EAL usage help Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 10/11] app/regex: fix usage text Thomas Monjalon
2021-03-21 22:31   ` [dpdk-dev] [PATCH v4 11/11] app/testpmd: " Thomas Monjalon
2021-03-22  1:45     ` Li, Xiaoyun
2021-03-22  8:27     ` Jens Freimann
2021-03-22  9:05       ` Bing Zhao
2021-03-24 15:03   ` [dpdk-dev] [PATCH v4 00/11] improve options help David Marchand
2021-03-24 16:55     ` Thomas Monjalon
2021-04-05 19:29 ` [dpdk-dev] [PATCH v5 0/4] log level enhancements Thomas Monjalon
2021-04-05 19:29   ` [dpdk-dev] [PATCH v5 1/4] log: move private functions Thomas Monjalon
2021-04-06 11:28     ` David Marchand
2021-04-06 12:08       ` Thomas Monjalon
2021-04-05 19:29   ` [dpdk-dev] [PATCH v5 2/4] log: introduce macro for maximum level Thomas Monjalon
2021-04-05 19:29   ` [dpdk-dev] [PATCH v5 3/4] log: catch invalid level option number Thomas Monjalon
2021-04-05 19:30   ` [dpdk-dev] [PATCH v5 4/4] log: add option argument help Thomas Monjalon
2021-04-06 13:11   ` [dpdk-dev] [PATCH v6 0/4] log level enhancements Thomas Monjalon
2021-04-06 13:11     ` [dpdk-dev] [PATCH v6 1/4] log: move private functions Thomas Monjalon
2021-04-06 13:11     ` [dpdk-dev] [PATCH v6 2/4] log: introduce macro for maximum level Thomas Monjalon
2021-04-06 14:32       ` David Marchand
2021-04-06 13:11     ` [dpdk-dev] [PATCH v6 3/4] log: catch invalid level option number Thomas Monjalon
2021-04-06 14:35       ` David Marchand
2021-04-06 13:11     ` [dpdk-dev] [PATCH v6 4/4] log: add option argument help Thomas Monjalon
2021-04-06 14:28       ` David Marchand
2021-04-06 14:58         ` Thomas Monjalon
2021-04-06 16:04       ` Thomas Monjalon
2021-04-06 16:35         ` David Marchand
2021-04-08 16:47   ` [dpdk-dev] [PATCH v7 0/4] log level enhancements Thomas Monjalon
2021-04-08 16:47     ` [dpdk-dev] [PATCH v7 1/4] log: move private functions Thomas Monjalon
2021-04-08 16:47     ` [dpdk-dev] [PATCH v7 2/4] log: introduce macro for maximum level Thomas Monjalon
2021-04-08 16:47     ` [dpdk-dev] [PATCH v7 3/4] log: catch invalid level option number Thomas Monjalon
2021-04-08 16:47     ` [dpdk-dev] [PATCH v7 4/4] log: add option argument help Thomas Monjalon
2021-04-09  9:31       ` David Marchand
2021-04-13 16:55       ` Kinsella, Ray
2021-04-09 10:55     ` [dpdk-dev] [PATCH v7 0/4] log level enhancements David Marchand
2021-04-05 19:33 ` [dpdk-dev] [PATCH v5 0/3] cleanup exit and usage messages in apps Thomas Monjalon
2021-04-05 19:33   ` [dpdk-dev] [PATCH v5 1/3] app: fix exit messages Thomas Monjalon
2021-04-05 19:33   ` [dpdk-dev] [PATCH v5 2/3] app/regex: fix usage text Thomas Monjalon
2021-04-05 19:33   ` [dpdk-dev] [PATCH v5 3/3] app/testpmd: " Thomas Monjalon
2021-04-09 12:31   ` [dpdk-dev] [PATCH v5 0/3] cleanup exit and usage messages in apps David Marchand
2021-04-05 19:39 ` [dpdk-dev] [PATCH v5 0/4] improve options help Thomas Monjalon
2021-04-05 19:39   ` [dpdk-dev] [PATCH v5 1/4] eal: explain argv behaviour during init Thomas Monjalon
2021-04-05 19:39   ` [dpdk-dev] [PATCH v5 2/4] eal: improve options usage text Thomas Monjalon
2021-04-05 19:39   ` [dpdk-dev] [PATCH v5 3/4] eal: use macros for help option Thomas Monjalon
2021-04-05 19:39   ` [dpdk-dev] [PATCH v5 4/4] app: hook in EAL usage help Thomas Monjalon
2021-04-06 13:32     ` Jerin Jacob
2021-04-06 14:05       ` Thomas Monjalon
2021-04-06 14:13         ` Jerin Jacob

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=4942393.sW9uhsZSEm@thomas \
    --to=thomas@monjalon.net \
    --cc=bruce.richardson@intel.com \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=mb@smartsharesystems.com \
    --cc=mdr@ashroe.eu \
    --cc=nhorman@tuxdriver.com \
    /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

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git