There's no fast way to provide the info on which entries are present for
this tracepoint once bitmaps dissapear. Let's just pass the counter
instead.
Cc: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Cc: Michel Thierry <michel.thie...@intel.com>
Cc: Mika Kuoppala <mika.kuopp...@intel.com>
Signed-off-by: Michał Winiarski <michal.winiar...@intel.com>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++--
drivers/gpu/drm/i915/i915_trace.h | 21 ++++++---------------
2 files changed, 8 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 7013967..a7d6f78 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1296,7 +1296,7 @@ static int gen8_alloc_va_range_3lvl(struct
i915_address_space *vm,
trace_i915_page_table_entry_map(&ppgtt->base, pde, pt,
gen8_pte_index(start),
gen8_pte_count(start,
length),
- GEN8_PTES);
+
bitmap_weight(pt->used_ptes, GEN8_PTES));
/* NB: We haven't yet mapped ptes to pages. At this
* point we're still relying on insert_entries() */
@@ -1875,7 +1875,7 @@ static int gen6_alloc_va_range(struct i915_address_space
*vm,
trace_i915_page_table_entry_map(vm, pde, pt,
gen6_pte_index(start),
gen6_pte_count(start, length),
- GEN6_PTES);
+ bitmap_weight(pt->used_ptes,
GEN6_PTES));
}
/* Make sure write is complete before other code can use this page
diff --git a/drivers/gpu/drm/i915/i915_trace.h
b/drivers/gpu/drm/i915/i915_trace.h
index 18ae37c..86a4e39 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -238,22 +238,17 @@ DEFINE_EVENT_PRINT(i915_px_entry,
i915_page_directory_pointer_entry_alloc,
__entry->vm, __entry->px, __entry->start,
__entry->end)
);
-/* Avoid extra math because we only support two sizes. The format is defined by
- * bitmap_scnprintf. Each 32 bits is 8 HEX digits followed by comma */
-#define TRACE_PT_SIZE(bits) \
- ((((bits) == 1024) ? 288 : 144) + 1)
-
DECLARE_EVENT_CLASS(i915_page_table_entry_update,
TP_PROTO(struct i915_address_space *vm, u32 pde,
- struct i915_page_table *pt, u32 first, u32 count, u32 bits),
- TP_ARGS(vm, pde, pt, first, count, bits),
+ struct i915_page_table *pt, u32 first, u32 count, u32 num),
+ TP_ARGS(vm, pde, pt, first, count, num),
TP_STRUCT__entry(
__field(struct i915_address_space *, vm)
__field(u32, pde)
__field(u32, first)
__field(u32, last)
- __dynamic_array(char, cur_ptes, TRACE_PT_SIZE(bits))
+ __field(u32, num)
),
TP_fast_assign(
@@ -261,16 +256,12 @@ DECLARE_EVENT_CLASS(i915_page_table_entry_update,
__entry->pde = pde;
__entry->first = first;
__entry->last = first + count - 1;
- scnprintf(__get_str(cur_ptes),
- TRACE_PT_SIZE(bits),
- "%*pb",
- bits,
- pt->used_ptes);
+ __entry->num = num;
),
- TP_printk("vm=%p, pde=%d, updating %u:%u\t%s",
+ TP_printk("vm=%p, pde=%d, updating %u:%u\t%u",
__entry->vm, __entry->pde, __entry->last, __entry->first,
- __get_str(cur_ptes))
+ __entry->num)
);
DEFINE_EVENT(i915_page_table_entry_update, i915_page_table_entry_map,
--
2.7.4
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