From: Marco Felsch <m.felsch@pengutronix.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: [PATCH 4/5] dmesg: implement dmesg -n
Date: Tue, 13 Jun 2023 08:45:18 +0200 [thread overview]
Message-ID: <20230613064518.up4nhv3t2iqcya4s@pengutronix.de> (raw)
In-Reply-To: <20230612123232.3071957-5-s.hauer@pengutronix.de>
Hi Sascha,
On 23-06-12, Sascha Hauer wrote:
> Under Linux dmesg -n can be used to set the console loglevel. Implement
> the same for barebox.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
> commands/dmesg.c | 18 +++++++++++++++++-
> 1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/commands/dmesg.c b/commands/dmesg.c
> index 00e5a159e0..953bdb2068 100644
> --- a/commands/dmesg.c
> +++ b/commands/dmesg.c
> @@ -77,8 +77,9 @@ static int do_dmesg(int argc, char *argv[])
> int opt, i;
> int delete_buf = 0, emit = 0;
> unsigned flags = 0, levels = 0;
> + char *set = NULL;
>
> - while ((opt = getopt(argc, argv, "ctderl:")) > 0) {
> + while ((opt = getopt(argc, argv, "ctderl:n:")) > 0) {
> switch (opt) {
> case 'c':
> delete_buf = 1;
> @@ -100,11 +101,25 @@ static int do_dmesg(int argc, char *argv[])
> case 'r':
> flags |= BAREBOX_LOG_PRINT_RAW | BAREBOX_LOG_PRINT_TIME;
> break;
> + case 'n':
> + set = optarg;
> + break;
> default:
> return COMMAND_ERROR_USAGE;
> }
> }
>
> + if (set) {
> + int level = str_to_loglevel(set);
> +
> + if (level < 0)
> + return COMMAND_ERROR;
> +
> + barebox_loglevel = level;
Not really realted to this patch, but should we make 'barebox_loglevel'
private and use a setter like console_set_loglevel()? Asking because
console_common.c is the currently the only upstream user.
Regards,
Marco
> +
> + return 0;
> + }
> +
> if (emit) {
> char *buf;
> int len = 0;
> @@ -145,6 +160,7 @@ BAREBOX_CMD_HELP_OPT ("-c", "Delete messages after printing them")
> BAREBOX_CMD_HELP_OPT ("-d", "Show a time delta to the last message")
> BAREBOX_CMD_HELP_OPT ("-e <msg>", "Emit a log message")
> BAREBOX_CMD_HELP_OPT ("-l <vdebug|debug|info|notice|warn|err|crit|alert|emerg>", "Restrict output to the given (comma-separated) list of levels")
> +BAREBOX_CMD_HELP_OPT ("-n <loglevel>", "Set level at which printing of messages is done to the console")
> BAREBOX_CMD_HELP_OPT ("-r", "Print timestamp and log-level prefixes.")
> BAREBOX_CMD_HELP_OPT ("-t", "Show timestamp informations")
> BAREBOX_CMD_HELP_END
> --
> 2.39.2
>
>
>
next prev parent reply other threads:[~2023-06-13 6:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-12 12:32 [PATCH 0/5] " Sascha Hauer
2023-06-12 12:32 ` [PATCH 1/5] dmesg: factor out str_to_loglevel() Sascha Hauer
2023-06-13 6:41 ` Marco Felsch
2023-06-12 12:32 ` [PATCH 2/5] dmesg: error out on unknown loglevels Sascha Hauer
2023-06-13 6:34 ` Marco Felsch
2023-06-13 6:49 ` Sascha Hauer
2023-06-13 6:57 ` Marco Felsch
2023-06-12 12:32 ` [PATCH 3/5] dmesg: allow loglevels specified as numbers Sascha Hauer
2023-06-13 6:41 ` Marco Felsch
2023-06-12 12:32 ` [PATCH 4/5] dmesg: implement dmesg -n Sascha Hauer
2023-06-13 6:45 ` Marco Felsch [this message]
2023-06-13 6:54 ` Sascha Hauer
2023-06-12 12:32 ` [PATCH 5/5] dmesg: udpate help Sascha Hauer
2023-06-13 6:40 ` Marco Felsch
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