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device-manager: add some better debugging

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This commit just adds some more tracing statements,
that are useful for tracking down a bug.
This commit is contained in:
Ray Strode 2014-01-10 18:11:42 -05:00
parent 74bd75d4d3
commit 745c5fc3ab
1 changed files with 33 additions and 4 deletions
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37
src/libply-splash-core/ply-device-manager.c
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@ -129,6 +129,8 @@ get_drm_device_node_path_from_fb_device (ply_device_manager_t *manager,
id_path = udev_device_get_property_value (fb_device, "ID_PATH");
udev_enumerate_add_match_property (card_matches, "ID_PATH", id_path);
ply_trace ("trying to find associated drm node for fb device (path: %s)", id_path);
udev_enumerate_scan_devices (card_matches);
/* there should only ever be at most one match so we don't iterate through
@ -146,9 +148,15 @@ get_drm_device_node_path_from_fb_device (ply_device_manager_t *manager,
card_node = udev_device_get_devnode (card_device);
if (card_node != NULL)
device_node_path = strdup (card_node);
else
ply_trace ("no card node!");
udev_device_unref (card_device);
}
else
{
ply_trace ("no card entry!");
}
udev_enumerate_unref (card_matches);
return device_node_path;
@ -164,6 +172,8 @@ create_seat_for_udev_device (ply_device_manager_t *manager,
for_local_console = device_is_for_local_console (manager, device);
ply_trace ("device is for local console: %s", for_local_console? "yes" : "no");
if (for_local_console)
terminal = manager->local_console_terminal;
@ -278,18 +288,29 @@ scan_graphics_devices (ply_device_manager_t *manager)
fb_path = udev_list_entry_get_name (fb_entry);
/* skip virtual fbcon device
*/
if (strcmp (fb_path, "/sys/devices/virtual/graphics/fbcon") == 0)
continue;
if (fb_path == NULL)
{
ply_trace ("fb path was null!");
continue;
}
ply_trace ("found device %s", fb_path);
/* skip virtual fbcon device
*/
if (strcmp (fb_path, "/sys/devices/virtual/graphics/fbcon") == 0)
{
ply_trace ("ignoring since it's fbcon");
continue;
}
fb_device = udev_device_new_from_syspath (manager->udev_context, fb_path);
/* if device isn't fully initialized, we'll get an add event later
*/
if (udev_device_get_is_initialized (fb_device))
{
ply_trace ("device is initialized");
/* We only care about devices assigned to a (any) seat. Floating
* devices should be ignored. As a side-effect, this conveniently
* filters out the fbcon device which we don't care about.
@ -305,6 +326,14 @@ scan_graphics_devices (ply_device_manager_t *manager)
create_seat_for_udev_device (manager, fb_device);
}
}
else
{
ply_trace ("device doesn't have a seat tag");
}
}
else
{
ply_trace ("it's not initialized");
}
udev_device_unref (fb_device);