[igt-dev] [PATCH i-g-t 1/2] runner/resultgen: relax results processing

[Petri Latvala]

On Tue, Feb 28, 2023 at 10:25:37PM +0100, Kamil Konieczny wrote:
> We observed problems with resume runs when one of tests from
> run fail to respond to SIGKILL and then don't exits, which
> was reported like:
> 
> [1415.815247] Child refuses to die, tainted 0x40. Aborting.
> 
> After machine was rebooted runs were resumed but at the end
> results from run wasn't processed due to error at comms file
> from failed test. Try to correct that behaviour and count
> results if at least one of files (comms or log) or dmesg was
> successfully processed and fail only when both fail. Also
> print more detailed info about what failed.

What is the comms file error? Are the logs from that run available
somewhere?


-- 
Petri Latvala


> 
> Cc: Petri Latvala <adrinael at adrinael.net>
> Signed-off-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>
> ---
>  runner/resultgen.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/runner/resultgen.c b/runner/resultgen.c
> index b00bb6ba..ddc2098e 100644
> --- a/runner/resultgen.c
> +++ b/runner/resultgen.c
> @@ -2133,7 +2133,6 @@ static bool parse_test_directory(int dirfd,
>  	if (commsparsed == COMMSPARSE_ERROR) {
>  		fprintf(stderr, "Error parsing output files (comms)\n");
>  		status = false;
> -		goto parse_output_end;
>  	}
>  
>  	if (commsparsed == COMMSPARSE_EMPTY) {
> @@ -2147,14 +2146,22 @@ static bool parse_test_directory(int dirfd,
>  		    !fill_from_output(fds[_F_ERR], entry->binary, "err", &subtests, results->tests)) {
>  			fprintf(stderr, "Error parsing output files (out.txt, err.txt)\n");
>  			status = false;
> -			goto parse_output_end;
>  		}
>  	}
>  
>  	if (!fill_from_dmesg(fds[_F_DMESG], settings, entry->binary, &subtests, results->tests)) {
>  		fprintf(stderr, "Error parsing output files (dmesg.txt)\n");
> +		if (!status) {
> +			fprintf(stderr, "resultgen: Error parsing output files and dmesg.txt, bail out\n");
> +			goto parse_output_end;
> +		}
> +
>  		status = false;
> -		goto parse_output_end;
> +	}
> +
> +	if (!status) {
> +		fprintf(stderr, "resultgen: Warning: results may be incomplete for %s\n", entry->binary);
> +		status = true;
>  	}
>  
>  	override_results(entry->binary, &subtests, results->tests);
> @@ -2302,6 +2309,7 @@ struct json_object *generate_results_json(int dirfd)
>  
>  		if (!parse_test_directory(testdirfd, &job_list.entries[i], &settings, &results)) {
>  			close(testdirfd);
> +			fprintf(stderr, "resultgen: Cannot parse results for: %s testname: %s\n", name, job_list.entries[i].binary);
>  			return NULL;
>  		}
>  		close(testdirfd);
> -- 
> 2.37.2
>