RE: [PATCH v6 2/5] KVM: selftests: Put command line options in alphabetical order in dirty_log_perf_test

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On Saturday, October 22, 2022 5:18 AM, Vipin Sharma wrote:
> There are 13 command line options and they are not in any order. Put them in
> alphabetical order to make it easy to add new options.
> 
> No functional change intended.
> 
> Signed-off-by: Vipin Sharma <vipinsh@xxxxxxxxxx>
> ---
>  .../selftests/kvm/dirty_log_perf_test.c       | 36 ++++++++++---------
>  1 file changed, 19 insertions(+), 17 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c
> b/tools/testing/selftests/kvm/dirty_log_perf_test.c
> index 56e08da3a87f..5bb6954b2358 100644
> --- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
> +++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
> @@ -406,50 +406,52 @@ int main(int argc, char *argv[])
> 
>  	guest_modes_append_default();
> 
> -	while ((opt = getopt(argc, argv, "eghi:p:m:nb:f:v:os:x:")) != -1) {
> +	while ((opt = getopt(argc, argv, "b:ef:ghi:m:nop:s:v:x:")) != -1) {
>  		switch (opt) {
> +		case 'b':
> +			guest_percpu_mem_size = parse_size(optarg);
> +			break;

"break" wasn't there.
This is kind of a functional change (i.e. bug fixing), and would be better to be
moved to patch 1.

Other parts look good to me.

Reviewed-by: Wei Wang <wei.w.wang@xxxxxxxxx>


>  		case 'e':
>  			/* 'e' is for evil. */
>  			run_vcpus_while_disabling_dirty_logging = true;
>  			break;
> +		case 'f':
> +			p.wr_fract = atoi(optarg);
> +			TEST_ASSERT(p.wr_fract >= 1,
> +				    "Write fraction cannot be less than one");
> +			break;
>  		case 'g':
>  			dirty_log_manual_caps = 0;
>  			break;
> +		case 'h':
> +			help(argv[0]);
> +			break;
>  		case 'i':
>  			p.iterations = atoi(optarg);
>  			break;
> -		case 'p':
> -			p.phys_offset = strtoull(optarg, NULL, 0);
> -			break;
>  		case 'm':
>  			guest_modes_cmdline(optarg);
>  			break;
>  		case 'n':
>  			perf_test_args.nested = true;
>  			break;
> -		case 'b':
> -			guest_percpu_mem_size = parse_size(optarg);
> +		case 'o':
> +			p.partition_vcpu_memory_access = false;
>  			break;
> -		case 'f':
> -			p.wr_fract = atoi(optarg);
> -			TEST_ASSERT(p.wr_fract >= 1,
> -				    "Write fraction cannot be less than one");
> +		case 'p':
> +			p.phys_offset = strtoull(optarg, NULL, 0);
> +			break;
> +		case 's':
> +			p.backing_src = parse_backing_src_type(optarg);
>  			break;
>  		case 'v':
>  			nr_vcpus = atoi(optarg);
>  			TEST_ASSERT(nr_vcpus > 0 && nr_vcpus <= max_vcpus,
>  				    "Invalid number of vcpus, must be between 1 and %d",
> max_vcpus);
>  			break;
> -		case 'o':
> -			p.partition_vcpu_memory_access = false;
> -			break;
> -		case 's':
> -			p.backing_src = parse_backing_src_type(optarg);
> -			break;
>  		case 'x':
>  			p.slots = atoi(optarg);
>  			break;
> -		case 'h':
>  		default:
>  			help(argv[0]);
>  			break;
> --
> 2.38.0.135.g90850a2211-goog





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