Re: [Qemu-devel] [PATCH] tests/migration: Speed up the test on ppc64

[Dr. David Alan Gilbert]

* Thomas Huth (address@hidden) wrote:
> The SLOF boot process is always quite slow ... but we can speed it up
> a little bit by specifying "-nodefaults" and by using the "nvramrc"
> variable instead of "boot-command" (since "nvramrc" is evaluated earlier
> in the SLOF boot process than "boot-command").
> 
> Signed-off-by: Thomas Huth <address@hidden>

Queued

> ---
>  tests/migration-test.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tests/migration-test.c b/tests/migration-test.c
> index 0e687b7..967e3d0 100644
> --- a/tests/migration-test.c
> +++ b/tests/migration-test.c
> @@ -438,11 +438,11 @@ static int test_migrate_start(QTestState **from, 
> QTestState **to,
>                                    " -incoming %s",
>                                    accel, tmpfs, bootpath, uri);
>      } else if (strcmp(arch, "ppc64") == 0) {
> -        cmd_src = g_strdup_printf("-machine accel=%s -m 256M"
> +        cmd_src = g_strdup_printf("-machine accel=%s -m 256M -nodefaults"
>                                    " -name source,debug-threads=on"
>                                    " -serial file:%s/src_serial"
> -                                  " -prom-env '"
> -                                  "boot-command=hex .\" _\" begin %x %x "
> +                                  " -prom-env 'use-nvramrc?=true' -prom-env "
> +                                  "'nvramrc=hex .\" _\" begin %x %x "
>                                    "do i c@ 1 + i c! 1000 +loop .\" B\" 0 "
>                                    "until'",  accel, tmpfs, end_address,
>                                    start_address);
> -- 
> 1.8.3.1
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK