[libcamera-devel] [PATCH 04/19] libcamera: log: Print the thread ID in the log

Jacopo Mondi jacopo at jmondi.org
Mon Jan 20 12:33:11 CET 2020


Hi Laurent

On Mon, Jan 20, 2020 at 02:24:22AM +0200, Laurent Pinchart wrote:
> The current thread ID is useful when debugging concurrency issues. Print
> it in log messages. The syslog target is left out as the thread ID would
> have little use there, and partly duplicates the process ID.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>

Thanks
Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

> ---
>  src/libcamera/log.cpp | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/src/libcamera/log.cpp b/src/libcamera/log.cpp
> index f4eb8c11adc3..1dac4666b435 100644
> --- a/src/libcamera/log.cpp
> +++ b/src/libcamera/log.cpp
> @@ -22,6 +22,7 @@
>
>  #include <libcamera/logging.h>
>
> +#include "thread.h"
>  #include "utils.h"
>
>  /**
> @@ -196,7 +197,8 @@ void LogOutput::write(const LogMessage &msg)
>  		break;
>  	case LoggingTargetStream:
>  	case LoggingTargetFile:
> -		str = "[" + utils::time_point_to_string(msg.timestamp()) + "]"
> +		str = "[" + utils::time_point_to_string(msg.timestamp()) + "] ["
> +		    + std::to_string(Thread::currentId()) + "]"
>  		    + log_severity_name(msg.severity()) + " "
>  		    + msg.category().name() + " " + msg.fileInfo() + " "
>  		    + msg.msg();
> --
> Regards,
>
> Laurent Pinchart
>
> _______________________________________________
> libcamera-devel mailing list
> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel
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