mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-02-07 07:41:05 -05:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Show waiter's status on engine dump

Browse Source 
When showing the list of waiters, include the task's status so that we
can tell if they have been woken up and are waiting for the CPU, or if
they are still waiting to be woken.

v2: task_state_to_char()

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181121151653.24595-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2018-11-21 15:16:53 +00:00
parent f43348a3db
commit aa6a65daca
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/intel_engine_cs.c
View File

@@ -1562,8 +1562,10 @@ void intel_engine_dump(struct intel_engine_cs *engine,
for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
struct intel_wait *w = rb_entry(rb, typeof(*w), node);
drm_printf(m, "\t%s [%d] waiting for %x\n",
w->tsk->comm, w->tsk->pid, w->seqno);
drm_printf(m, "\t%s [%d:%c] waiting for %x\n",
w->tsk->comm, w->tsk->pid,
task_state_to_char(w->tsk),
w->seqno);
}
spin_unlock(&b->rb_lock);
local_irq_restore(flags);