[Intel-gfx] [PATCH i-g-t 1/2] tests/debugfs_test: Fix testcases to pass

[Abdiel Janulgue]

On 20.07.2017 17:27, Maarten Lankhorst wrote:
> emon_crash should skip if the debugfs file could not be opened the first
> time, and debugfs_test.read_all_entries should skip files that could not
> be opened, instead of returning an error.
> 
> This is because in a typical IGT run there may be more debugfs files
> registered than can be opened.
> 
> This is an example on f2-pnv-d510:
> $ grep -r . /sys/kernel/debug/dri/0 >/dev/null
> grep: /sys/kernel/debug/dri/0/i915_sseu_status: No such device
> grep: /sys/kernel/debug/dri/0/i915_energy_uJ: No such device
> grep: /sys/kernel/debug/dri/0/i915_sink_crc_eDP1: No such device
> grep: /sys/kernel/debug/dri/0/i915_emon_status: No such device
> grep: /sys/kernel/debug/dri/0/i915_guc_log_control: Invalid argument
> grep: /sys/kernel/debug/dri/0/i915_fbc_false_color: No such device
> grep: /sys/kernel/debug/dri/0/i915_cur_wm_latency: No such device
> grep: /sys/kernel/debug/dri/0/i915_spr_wm_latency: No such device
> grep: /sys/kernel/debug/dri/0/i915_pri_wm_latency: No such device
> grep: /sys/kernel/debug/dri/0/i915_next_seqno: Permission denied
> grep: /sys/kernel/debug/dri/0/i915_cache_sharing: No such device
> grep: /sys/kernel/debug/dri/0/i915_min_freq: No such device
> grep: /sys/kernel/debug/dri/0/i915_max_freq: No such device
> grep: /sys/kernel/debug/dri/0/i915_pipe_C_crc: No such device
> grep: /sys/kernel/debug/dri/0/i915_forcewake_user: Invalid argument
> grep: /sys/kernel/debug/dri/0/crtc-1/crc/data: Input/output error
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
> Cc: Arkadiusz Hiler <arkadiusz.hiler at intel.com>

Patches 1 and 2 are
Reviewed by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>