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drm/i915: Show instdone for each engine in debugfs

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Although polling each engine quickly is preferable as it should give us
a sample of each engine at roughly the same time, keep it simple and
just sample the engine as print out the debug state.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190704200455.14870-3-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-07-04 21:04:55 +01:00
parent 8f856c743c
commit b8cade5959
1 changed files with 13 additions and 20 deletions
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33
drivers/gpu/drm/i915/i915_debugfs.c
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@ -1076,8 +1076,6 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
struct intel_engine_cs *engine;
u64 acthd[I915_NUM_ENGINES];
struct intel_instdone instdone;
intel_wakeref_t wakeref;
enum intel_engine_id id;
@ -1092,13 +1090,6 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
return 0;
}
with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
for_each_engine(engine, dev_priv, id)
acthd[id] = intel_engine_get_active_head(engine);
intel_engine_get_instdone(dev_priv->engine[RCS0], &instdone);
}
if (timer_pending(&dev_priv->gpu_error.hangcheck_work.timer))
seq_printf(m, "Hangcheck active, timer fires in %dms\n",
jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires -
@ -1110,23 +1101,25 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
seq_printf(m, "GT active? %s\n", yesno(dev_priv->gt.awake));
for_each_engine(engine, dev_priv, id) {
seq_printf(m, "%s: %d ms ago\n",
engine->name,
jiffies_to_msecs(jiffies -
engine->hangcheck.action_timestamp));
with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
for_each_engine(engine, dev_priv, id) {
struct intel_instdone instdone;
seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
(long long)engine->hangcheck.acthd,
(long long)acthd[id]);
seq_printf(m, "%s: %d ms ago\n",
engine->name,
jiffies_to_msecs(jiffies -
engine->hangcheck.action_timestamp));
seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
(long long)engine->hangcheck.acthd,
intel_engine_get_active_head(engine));
intel_engine_get_instdone(engine, &instdone);
if (engine->id == RCS0) {
seq_puts(m, "\tinstdone read =\n");
i915_instdone_info(dev_priv, m, &instdone);
seq_puts(m, "\tinstdone accu =\n");
i915_instdone_info(dev_priv, m,
&engine->hangcheck.instdone);
}