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drm/i915/execlists: Include priority info in trace_ports

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Add some extra information into trace_ports to help with reviewing
correctness.

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: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200330113137.24425-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-03-30 12:31:37 +01:00
parent d472634ef9
commit 8b6d457f95
1 changed files with 21 additions and 8 deletions
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29
drivers/gpu/drm/i915/gt/intel_lrc.c
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@ -1415,6 +1415,23 @@ static inline void write_desc(struct intel_engine_execlists *execlists, u64 desc
}
}
static __maybe_unused char *
dump_port(char *buf, int buflen, const char *prefix, struct i915_request *rq)
{
if (!rq)
return "";
snprintf(buf, buflen, "%s%llx:%lld%s prio %d",
prefix,
rq->fence.context, rq->fence.seqno,
i915_request_completed(rq) ? "!" :
i915_request_started(rq) ? "*" :
"",
rq_prio(rq));
return buf;
}
static __maybe_unused void
trace_ports(const struct intel_engine_execlists *execlists,
const char *msg,
@ -1422,18 +1439,14 @@ trace_ports(const struct intel_engine_execlists *execlists,
{
const struct intel_engine_cs *engine =
container_of(execlists, typeof(*engine), execlists);
char __maybe_unused p0[40], p1[40];
if (!ports[0])
return;
ENGINE_TRACE(engine, "%s { %llx:%lld%s, %llx:%lld }\n", msg,
ports[0]->fence.context,
ports[0]->fence.seqno,
i915_request_completed(ports[0]) ? "!" :
i915_request_started(ports[0]) ? "*" :
"",
ports[1] ? ports[1]->fence.context : 0,
ports[1] ? ports[1]->fence.seqno : 0);
ENGINE_TRACE(engine, "%s { %s%s }\n", msg,
dump_port(p0, sizeof(p0), "", ports[0]),
dump_port(p1, sizeof(p1), ", ", ports[1]));
}
static inline bool