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From: Eugen Wiens <eugen.wiens@jumo.net>
To: barebox@lists.infradead.org
Cc: Eugen Wiens <eugen.wiens@jumo.net>
Subject: [PATCH] added colored print out of log levels
Date: Fri, 9 Feb 2018 13:28:45 +0100	[thread overview]
Message-ID: <20180209122845.4113-1-eugen.wiens@jumo.net> (raw)

When the system is booting the warnings and errors are not be quickly discovered.
With this improvement the errors are colored red, the warnings yellow and the notices blue.

Signed-off-by: Eugen Wiens <eugen.wiens@jumo.net>
---
 common/Kconfig          |  8 ++++++++
 common/console_common.c | 29 ++++++++++++++++++++++++++++-
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/common/Kconfig b/common/Kconfig
index 57418ca..461ad35 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1000,6 +1000,14 @@ config DEFAULT_LOGLEVEL
 	  7    debug-level messages (debug)
 	  8    verbose debug messages (vdebug)
 
+config PRINT_COLORED_LOG_LEVEL
+	prompt "enable colored printing of the log level"
+	bool
+	default n
+	help
+		Enable the print out of the colored log level.
+
+
 config DEBUG_INFO
 	bool
 	prompt "enable debug symbols"
diff --git a/common/console_common.c b/common/console_common.c
index d051458..19b183f 100644
--- a/common/console_common.c
+++ b/common/console_common.c
@@ -31,7 +31,21 @@
 #include <malloc.h>
 #include <asm-generic/div64.h>
 
-#ifndef CONFIG_CONSOLE_NONE
+#ifndef CONFIG_CONFIG_CONSOLE_NONE
+
+#ifdef CONFIG_PRINT_COLORED_LOG_LEVEL
+#define MAX_CHARACTERS_COLORED_LOG_LEVEL 	30
+#define MAX_LOG_LEVEL 						MSG_NOTICE
+
+static const char colored_log_level[MAX_LOG_LEVEL+2][MAX_CHARACTERS_COLORED_LOG_LEVEL] = {
+	"\033[31mEMERG:\033[0m ",		/* color red for log level MSG_EMERG */
+	"\033[31mALERT:\033[0m ",		/* color red for log level MSG_ALERT */
+	"\033[31mCRITICAL:\033[0m ",	/* color red for log level MSG_CRIT */
+	"\033[31mERROR:\033[0m ",		/* color red for log level MSG_ERR */
+	"\033[33mWARNING:\033[0m ",		/* color yellow for log level MSG_WARNING */
+	"\033[34mNOTICE:\033[0m ", 		/* color blue for log level MSG_NOTICE */
+};
+#endif
 
 int barebox_loglevel = CONFIG_DEFAULT_LOGLEVEL;
 
@@ -102,6 +116,15 @@ nolog:
 	puts(str);
 }
 
+static void print_colored_log_level(const int level)
+{
+#ifdef CONFIG_PRINT_COLORED_LOG_LEVEL
+	if (level <= MAX_LOG_LEVEL) {
+		pr_puts(level, colored_log_level[level]);
+	}
+#endif
+}
+
 int pr_print(int level, const char *fmt, ...)
 {
 	va_list args;
@@ -111,6 +134,8 @@ int pr_print(int level, const char *fmt, ...)
 	if (!IS_ENABLED(CONFIG_LOGBUF) && level > barebox_loglevel)
 		return 0;
 
+	print_colored_log_level(level);
+
 	va_start(args, fmt);
 	i = vsprintf(printbuffer, fmt, args);
 	va_end(args);
@@ -129,6 +154,8 @@ int dev_printf(int level, const struct device_d *dev, const char *format, ...)
 	if (!IS_ENABLED(CONFIG_LOGBUF) && level > barebox_loglevel)
 		return 0;
 
+	print_colored_log_level(level);
+
 	if (dev->driver && dev->driver->name)
 		ret += sprintf(printbuffer, "%s ", dev->driver->name);
 
-- 
2.7.4


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             reply	other threads:[~2018-02-09 12:29 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-09 12:28 Eugen Wiens [this message]
2018-02-13  8:37 ` Sascha Hauer
     [not found] <OFB3F14132.C502B498-ONC1258234.0028C966-C1258234.0028E812@LocalDomain>
2018-02-14  7:32 ` Sascha Hauer

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