[igt-dev] [Intel-gfx] [PATCH i-g-t] tests/core_hotunplug: Reduce debug noise on stdout
Marcin Bernatowicz
marcin.bernatowicz at linux.intel.com
Tue Jan 19 11:08:10 UTC 2021
On Tue, 2021-01-19 at 09:42 +0100, Janusz Krzysztofik wrote:
> Since igt_fixture sections are processed unconditionally regardless
> of
> which subtest has been requested, they can now emit a lot of
> unrelated
> debug messages which can make the picture less clear. Avoid emitting
> those messages from outside igt_subtest sections.
>
> Move device close status prerequisite checks from igt_fixture
> sections
> into subtest execution paths. For simplicity, pass any device close
> errors, including those from health checks, to next sections via a
> single .fd.drm data structure field.
>
> Moreover, postpone initial device health check until first actually
> selected subtest is started. In order to let that subtest skip on
> unsuccessful initial health check, not fail, move the decision
> whether
> to fail or skip on error from the health check helper to its users.
>
> Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik at linux.intel.com
> >
> ---
> tests/core_hotunplug.c | 86 +++++++++++++++++++++++-----------------
> --
> 1 file changed, 48 insertions(+), 38 deletions(-)
>
> diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c
> index 91506fa72..e7d2a4472 100644
> --- a/tests/core_hotunplug.c
> +++ b/tests/core_hotunplug.c
> @@ -49,6 +49,7 @@ struct hotunplug {
> } fd; /* >= 0: valid fd, == -1: closed, < -1: close failed
> */
> const char *dev_bus_addr;
> const char *failure;
> + bool need_healthcheck;
> };
>
> /* Helpers */
> @@ -210,6 +211,12 @@ static void cleanup(struct hotunplug *priv)
> priv->fd.drm = close_device(priv->fd.drm, "post ", "exercised
> ");
> priv->fd.drm_hc = close_device(priv->fd.drm_hc, "post ",
> "health checked
> ");
> + /* pass device close errors to next sections via priv->fd.drm
> */
> + if (priv->fd.drm_hc < -1) {
> + priv->fd.drm = priv->fd.drm_hc;
> + priv->fd.drm_hc = -1;
> + }
> +
> priv->fd.sysfs_dev = close_sysfs(priv->fd.sysfs_dev);
> }
>
> @@ -346,9 +353,9 @@ static void node_healthcheck(struct hotunplug
> *priv, unsigned flags)
>
> priv->failure = "Device sysfs healthckeck failure!";
> local_debug("%s\n", "running device sysfs
> healthcheck");
> - igt_assert(igt_sysfs_path(fd_drm, path, sizeof(path)));
> - igt_assert(igt_debugfs_path(fd_drm, path,
> sizeof(path)));
> - priv->failure = NULL;
> + if (igt_sysfs_path(fd_drm, path, sizeof(path)) &&
> + igt_debugfs_path(fd_drm, path, sizeof(path)))
> + priv->failure = NULL;
> }
>
> fd_drm = close_device(fd_drm, "", "health checked ");
> @@ -356,7 +363,7 @@ static void node_healthcheck(struct hotunplug
> *priv, unsigned flags)
> priv->fd.drm_hc = fd_drm;
> }
>
> -static void healthcheck(struct hotunplug *priv, bool recover)
> +static bool healthcheck(struct hotunplug *priv, bool recover)
> {
> /* device name may have changed, rebuild IGT device list */
> igt_devices_scan(true);
> @@ -366,8 +373,19 @@ static void healthcheck(struct hotunplug *priv,
> bool recover)
> node_healthcheck(priv,
> FLAG_RENDER | (recover ? FLAG_RECOVER
> : 0));
>
> - /* not only request igt_abort on failure, also fail the health
> check */
> - igt_fail_on_f(priv->failure, "%s\n", priv->failure);
> + return !priv->failure;
> +}
> +
> +static void pre_check(struct hotunplug *priv)
> +{
> + igt_require(priv->fd.drm == -1);
> +
> + if (priv->need_healthcheck) {
> + igt_require_f(healthcheck(priv, false), "%s\n", priv-
> >failure);
> + priv->need_healthcheck = false;
> +
> + igt_require(priv->fd.drm_hc == -1);
> + }
> }
>
> static void recover(struct hotunplug *priv)
> @@ -386,7 +404,7 @@ static void recover(struct hotunplug *priv)
> driver_bind(priv, 60);
>
> if (priv->failure)
> - healthcheck(priv, true);
> + igt_assert_f(healthcheck(priv, true), "%s\n", priv-
> >failure);
> }
>
> static void post_healthcheck(struct hotunplug *priv)
> @@ -394,8 +412,6 @@ static void post_healthcheck(struct hotunplug
> *priv)
> igt_abort_on_f(priv->failure, "%s\n", priv->failure);
>
> cleanup(priv);
> - igt_require(priv->fd.drm == -1);
> - igt_require(priv->fd.drm_hc == -1);
> }
>
> static void set_filter_from_device(int fd)
> @@ -417,32 +433,30 @@ static void set_filter_from_device(int fd)
>
> static void unbind_rebind(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
>
> driver_unbind(priv, "", 0);
>
> driver_bind(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void unplug_rescan(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
>
> device_unplug(priv, "", 0);
>
> bus_rescan(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotunbind_rebind(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> unbind");
>
> driver_unbind(priv, "hot ", 0);
> @@ -452,13 +466,13 @@ static void hotunbind_rebind(struct hotunplug
> *priv)
>
> driver_bind(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotunplug_rescan(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> unplug");
>
> device_unplug(priv, "hot ", 0);
> @@ -468,39 +482,39 @@ static void hotunplug_rescan(struct hotunplug
> *priv)
>
> bus_rescan(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotrebind(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> rebind");
>
> driver_unbind(priv, "hot ", 60);
>
> driver_bind(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotreplug(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> replug");
>
> device_unplug(priv, "hot ", 60);
>
> bus_rescan(priv, 0);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotrebind_lateclose(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> rebind");
>
> driver_unbind(priv, "hot ", 60);
> @@ -510,13 +524,13 @@ static void hotrebind_lateclose(struct
> hotunplug *priv)
> priv->fd.drm = close_device(priv->fd.drm, "late ", "unbound ");
> igt_assert_eq(priv->fd.drm, -1);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> static void hotreplug_lateclose(struct hotunplug *priv)
> {
> - igt_assert_eq(priv->fd.drm, -1);
> - igt_assert_eq(priv->fd.drm_hc, -1);
> + pre_check(priv);
> +
> priv->fd.drm = local_drm_open_driver(false, "", " for hot
> replug");
>
> device_unplug(priv, "hot ", 60);
> @@ -526,7 +540,7 @@ static void hotreplug_lateclose(struct hotunplug
> *priv)
> priv->fd.drm = close_device(priv->fd.drm, "late ", "removed ");
> igt_assert_eq(priv->fd.drm, -1);
>
> - healthcheck(priv, false);
> + igt_assert_f(healthcheck(priv, false), "%s\n", priv->failure);
> }
>
> /* Main */
> @@ -536,6 +550,7 @@ igt_main
> struct hotunplug priv = {
> .fd = { .drm = -1, .drm_hc = -1,
> .sysfs_dev = -1, },
> .failure = NULL,
> + .need_healthcheck = true,
> };
>
> igt_fixture {
> @@ -570,11 +585,6 @@ igt_main
> igt_assert_eq(close_device(fd_drm, "", "selected "),
> -1);
>
> prepare(&priv);
> -
> - node_healthcheck(&priv, 0);
> - if (!priv.failure)
> - node_healthcheck(&priv, FLAG_RENDER);
> - igt_skip_on_f(priv.failure, "%s\n", priv.failure);
> }
>
> igt_subtest_group {
LGTM,
Reviewed-by: Marcin Bernatowicz <marcin.bernatowicz at linux.intel.com>
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