From: Francisco Jerez <currojerez@riseup.net>
Date: Sat, 5 Sep 2015 12:05:48 +0000 (+0300)
Subject: i965: Add debug flag to print out the new L3 state during transitions.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=09d9638dd04ae7d34d331cb7af0bc5888f48806f;p=mesa.git

i965: Add debug flag to print out the new L3 state during transitions.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kristian Høgsberg  <krh@bitplanet.net>
---

diff --git a/src/mesa/drivers/dri/i965/gen7_l3_state.c b/src/mesa/drivers/dri/i965/gen7_l3_state.c
index cacd1aa80fe..79569358914 100644
--- a/src/mesa/drivers/dri/i965/gen7_l3_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_l3_state.c
@@ -460,6 +460,18 @@ update_urb_size(struct brw_context *brw, const struct brw_l3_config *cfg)
    }
 }
 
+/**
+ * Print out the specified L3 configuration.
+ */
+static void
+dump_l3_config(const struct brw_l3_config *cfg)
+{
+   fprintf(stderr, "SLM=%d URB=%d ALL=%d DC=%d RO=%d IS=%d C=%d T=%d\n",
+           cfg->n[L3P_SLM], cfg->n[L3P_URB], cfg->n[L3P_ALL],
+           cfg->n[L3P_DC], cfg->n[L3P_RO],
+           cfg->n[L3P_IS], cfg->n[L3P_C], cfg->n[L3P_T]);
+}
+
 static void
 emit_l3_state(struct brw_context *brw)
 {
@@ -489,6 +501,11 @@ emit_l3_state(struct brw_context *brw)
       setup_l3_config(brw, cfg);
       update_urb_size(brw, cfg);
       brw->l3.config = cfg;
+
+      if (unlikely(INTEL_DEBUG & DEBUG_L3)) {
+         fprintf(stderr, "L3 config transition (%f > %f): ", dw, dw_threshold);
+         dump_l3_config(cfg);
+      }
    }
 }
 
diff --git a/src/mesa/drivers/dri/i965/intel_debug.c b/src/mesa/drivers/dri/i965/intel_debug.c
index d073d665ffb..e08c2969e06 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.c
+++ b/src/mesa/drivers/dri/i965/intel_debug.c
@@ -78,6 +78,7 @@ static const struct debug_control debug_control[] = {
    { "tcs",         DEBUG_TCS },
    { "ds",          DEBUG_TES },
    { "tes",         DEBUG_TES },
+   { "l3",          DEBUG_L3 },
    { NULL,    0 }
 };
 
diff --git a/src/mesa/drivers/dri/i965/intel_debug.h b/src/mesa/drivers/dri/i965/intel_debug.h
index 175ac68a7c8..b7b51112d92 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.h
+++ b/src/mesa/drivers/dri/i965/intel_debug.h
@@ -71,6 +71,7 @@ extern uint64_t INTEL_DEBUG;
 #define DEBUG_NO_COMPACTION       (1ull << 35)
 #define DEBUG_TCS                 (1ull << 36)
 #define DEBUG_TES                 (1ull << 37)
+#define DEBUG_L3                  (1ull << 38)
 
 #ifdef HAVE_ANDROID_PLATFORM
 #define LOG_TAG "INTEL-MESA"