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log: don't show function by default

Browse Source 
The name of the function emitting a log message may be of interest for a
developer but is distracting for normal users. See the example below:

    try_load_entry() Booting: Debian

Make the default format for log messages customizable. By default show
only the message text.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2020-06-17 21:52:44 +02:00 committed by Simon Glass
parent 8af45b1f20
commit 3c21d7738a
6 changed files with 54 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
cmd/log.c
View File

@ -39,7 +39,7 @@ static int do_log_format(struct cmd_tbl *cmdtp, int flag, int argc,
const char *str = argv[1];
if (!strcmp(str, "default")) {
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = log_get_default_format();
} else if (!strcmp(str, "all")) {
gd->log_fmt = LOGF_ALL;
} else {
@ -139,7 +139,7 @@ static char log_help_text[] =
"log format <fmt> - set log output format. <fmt> is a string where\n"
"\teach letter indicates something that should be displayed:\n"
"\tc=category, l=level, F=file, L=line number, f=function, m=msg\n"
"\tor 'default', equivalent to 'fm', or 'all' for all\n"
"\tor 'default', or 'all' for all\n"
"log rec <category> <level> <file> <line> <func> <message> - "
"output a log record"
;

18
common/Kconfig
View File

@ -699,6 +699,24 @@ config LOG_CONSOLE
log message is shown - other details like level, category, file and
line number are omitted.
config LOGF_FILE
bool "Show source file name in log messages by default"
help
Show the source file name in log messages by default. This value
can be overridden using the 'log format' command.
config LOGF_LINE
bool "Show source line number in log messages by default"
help
Show the source line number in log messages by default. This value
can be overridden using the 'log format' command.
config LOGF_FUNC
bool "Show function name in log messages by default"
help
Show the function name in log messages by default. This value can
be overridden using the 'log format' command.
config LOG_SYSLOG
bool "Log output to syslog server"
depends on NET

2
common/log.c
View File

@ -321,7 +321,7 @@ int log_init(void)
gd->flags |= GD_FLG_LOG_READY;
if (!gd->default_log_level)
gd->default_log_level = CONFIG_LOG_DEFAULT_LEVEL;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = log_get_default_format();
return 0;
}

18
include/log.h
View File

@ -12,6 +12,7 @@
#include <stdio.h>
#include <linker_lists.h>
#include <dm/uclass-id.h>
#include <linux/bitops.h>
#include <linux/list.h>
struct cmd_tbl;
@ -411,7 +412,6 @@ enum log_fmt {
LOGF_MSG,
LOGF_COUNT,
LOGF_DEFAULT = (1 << LOGF_FUNC) | (1 << LOGF_MSG),
LOGF_ALL = 0x3f,
};
@ -460,4 +460,20 @@ static inline int log_init(void)
}
#endif
/**
* log_get_default_format() - get default log format
*
* The default log format is configurable via
* CONFIG_LOGF_FILE, CONFIG_LOGF_LINE, CONFIG_LOGF_FUNC.
*
* Return: default log format
*/
static inline int log_get_default_format(void)
{
return BIT(LOGF_MSG) |
(IS_ENABLED(CONFIG_LOGF_FILE) ? BIT(LOGF_FILE) : 0) |
(IS_ENABLED(CONFIG_LOGF_LINE) ? BIT(LOGF_LINE) : 0) |
(IS_ENABLED(CONFIG_LOGF_FUNC) ? BIT(LOGF_FUNC) : 0);
}
#endif

20
test/log/syslog_test.c
View File

@ -21,6 +21,8 @@
DECLARE_GLOBAL_DATA_PTR;
#define LOGF_TEST (BIT(LOGF_FUNC) | BIT(LOGF_MSG))
/**
* struct sb_log_env - private data for sandbox ethernet driver
*
@ -102,7 +104,7 @@ static int log_test_syslog_err(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -116,6 +118,7 @@ static int log_test_syslog_err(struct unit_test_state *uts)
/* Check that the callback function was called */
sandbox_eth_set_tx_handler(0, NULL);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}
@ -132,7 +135,7 @@ static int log_test_syslog_warning(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -147,6 +150,7 @@ static int log_test_syslog_warning(struct unit_test_state *uts)
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}
@ -163,7 +167,7 @@ static int log_test_syslog_notice(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -178,6 +182,7 @@ static int log_test_syslog_notice(struct unit_test_state *uts)
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}
@ -194,7 +199,7 @@ static int log_test_syslog_info(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -209,6 +214,7 @@ static int log_test_syslog_info(struct unit_test_state *uts)
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}
@ -225,7 +231,7 @@ static int log_test_syslog_debug(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_DEBUG;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -240,6 +246,7 @@ static int log_test_syslog_debug(struct unit_test_state *uts)
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}
@ -259,7 +266,7 @@ static int log_test_syslog_nodebug(struct unit_test_state *uts)
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->log_fmt = LOGF_TEST;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
@ -274,6 +281,7 @@ static int log_test_syslog_nodebug(struct unit_test_state *uts)
/* Check that the callback function was not called */
ut_assertnonnull(env.expected);
gd->default_log_level = old_log_level;
gd->log_fmt = log_get_default_format();
return 0;
}

2
test/py/tests/test_log.py
View File

@ -39,6 +39,8 @@ def test_log(u_boot_console):
Returns:
iterator containing the lines output from the command
"""
output = u_boot_console.run_command('log format fm')
assert output == ''
with cons.log.section('basic'):
output = u_boot_console.run_command('log test %d' % testnum)
split = output.replace('\r', '').splitlines()