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authorWeinan Li2017-12-13 03:46:59 +0100
committerZhenyu Wang2017-12-18 09:30:03 +0100
commitdc5718f47cda438f47420591f4ac7338d7964bce (patch)
treefbcb2f45133df035e4cdd00cd2e3b3916bd70410
parentMerge tag 'drm-intel-next-2017-12-14' into gvt-next (diff)
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drm/i915/gvt: refine trace_render_mmio
Refine trace_render_mmio to show the vm id before and after vgpu switch, tag host id as '0', this patch will be used in the future patch for refine mocs switch policy. Signed-off-by: Weinan Li <weinan.z.li@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio_context.c4
-rw-r--r--drivers/gpu/drm/i915/gvt/trace.h15
2 files changed, 11 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 8a52b56f0e86..77d3a0d43d7c 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -304,7 +304,7 @@ static void switch_mmio_to_vgpu(struct intel_vgpu *vgpu, int ring_id)
I915_WRITE_FW(mmio->reg, v);
- trace_render_mmio(vgpu->id, "load",
+ trace_render_mmio(0, vgpu->id, "switch",
i915_mmio_reg_offset(mmio->reg),
mmio->value, v);
}
@@ -340,7 +340,7 @@ static void switch_mmio_to_host(struct intel_vgpu *vgpu, int ring_id)
I915_WRITE_FW(mmio->reg, v);
- trace_render_mmio(vgpu->id, "restore",
+ trace_render_mmio(vgpu->id, 0, "switch",
i915_mmio_reg_offset(mmio->reg),
mmio->value, v);
}
diff --git a/drivers/gpu/drm/i915/gvt/trace.h b/drivers/gpu/drm/i915/gvt/trace.h
index 8c150381d9a4..7a2511538f34 100644
--- a/drivers/gpu/drm/i915/gvt/trace.h
+++ b/drivers/gpu/drm/i915/gvt/trace.h
@@ -330,13 +330,14 @@ TRACE_EVENT(inject_msi,
);
TRACE_EVENT(render_mmio,
- TP_PROTO(int id, char *action, unsigned int reg,
+ TP_PROTO(int old_id, int new_id, char *action, unsigned int reg,
unsigned int old_val, unsigned int new_val),
- TP_ARGS(id, action, reg, new_val, old_val),
+ TP_ARGS(old_id, new_id, action, reg, new_val, old_val),
TP_STRUCT__entry(
- __field(int, id)
+ __field(int, old_id)
+ __field(int, new_id)
__array(char, buf, GVT_TEMP_STR_LEN)
__field(unsigned int, reg)
__field(unsigned int, old_val)
@@ -344,15 +345,17 @@ TRACE_EVENT(render_mmio,
),
TP_fast_assign(
- __entry->id = id;
+ __entry->old_id = old_id;
+ __entry->new_id = new_id;
snprintf(__entry->buf, GVT_TEMP_STR_LEN, "%s", action);
__entry->reg = reg;
__entry->old_val = old_val;
__entry->new_val = new_val;
),
- TP_printk("VM%u %s reg %x, old %08x new %08x\n",
- __entry->id, __entry->buf, __entry->reg,
+ TP_printk("VM%u -> VM%u %s reg %x, old %08x new %08x\n",
+ __entry->old_id, __entry->new_id,
+ __entry->buf, __entry->reg,
__entry->old_val, __entry->new_val)
);