[PATCH] drm/xe/pmu/uapi: Remove PMU group busyness events from uapi

Ashutosh Dixit ashutosh.dixit at intel.com
Sat Dec 9 00:02:33 UTC 2023


PMU group busyness uapi is likely to change in the future. Till the uapi is
decided remove the uapi from xe_drm.h. To not break the build retain the
events internally in xe_pmu.c for now.

Signed-off-by: Ashutosh Dixit <ashutosh.dixit at intel.com>
---
 drivers/gpu/drm/xe/xe_pmu.c | 39 +++++++++++++++++++++++++++++++++++++
 include/uapi/drm/xe_drm.h   | 39 -------------------------------------
 2 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_pmu.c b/drivers/gpu/drm/xe/xe_pmu.c
index 9d0b7887cfc45..d6fa7cdca9ede 100644
--- a/drivers/gpu/drm/xe/xe_pmu.c
+++ b/drivers/gpu/drm/xe/xe_pmu.c
@@ -12,6 +12,45 @@
 #include "xe_gt_clock.h"
 #include "xe_mmio.h"
 
+/**
+ * DOC: XE PMU event config IDs
+ *
+ * Check 'man perf_event_open' to use the ID's DRM_XE_PMU_XXXX listed in xe_drm.h
+ * in 'struct perf_event_attr' as part of perf_event_open syscall to read a
+ * particular event.
+ *
+ * For example to open the DRMXE_PMU_RENDER_GROUP_BUSY(0):
+ *
+ * .. code-block:: C
+ *
+ *	struct perf_event_attr attr;
+ *	long long count;
+ *	int cpu = 0;
+ *	int fd;
+ *
+ *	memset(&attr, 0, sizeof(struct perf_event_attr));
+ *	attr.type = type; // eg: /sys/bus/event_source/devices/xe_0000_56_00.0/type
+ *	attr.read_format = PERF_FORMAT_TOTAL_TIME_ENABLED;
+ *	attr.use_clockid = 1;
+ *	attr.clockid = CLOCK_MONOTONIC;
+ *	attr.config = DRM_XE_PMU_RENDER_GROUP_BUSY(0);
+ *
+ *	fd = syscall(__NR_perf_event_open, &attr, -1, cpu, -1, 0);
+ */
+
+/*
+ * Top bits of every counter are GT id.
+ */
+#define __DRM_XE_PMU_GT_SHIFT (56)
+
+#define ___DRM_XE_PMU_OTHER(gt, x) \
+	(((__u64)(x)) | ((__u64)(gt) << __DRM_XE_PMU_GT_SHIFT))
+
+#define DRM_XE_PMU_RENDER_GROUP_BUSY(gt)	___DRM_XE_PMU_OTHER(gt, 0)
+#define DRM_XE_PMU_COPY_GROUP_BUSY(gt)		___DRM_XE_PMU_OTHER(gt, 1)
+#define DRM_XE_PMU_MEDIA_GROUP_BUSY(gt)		___DRM_XE_PMU_OTHER(gt, 2)
+#define DRM_XE_PMU_ANY_ENGINE_GROUP_BUSY(gt)	___DRM_XE_PMU_OTHER(gt, 3)
+
 static cpumask_t xe_pmu_cpumask;
 static unsigned int xe_pmu_target_cpu = -1;
 
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index 0895e4d2a9815..64498c762d8b9 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -1081,45 +1081,6 @@ struct drm_xe_wait_user_fence {
 	__u64 reserved[2];
 };
 
-/**
- * DOC: XE PMU event config IDs
- *
- * Check 'man perf_event_open' to use the ID's DRM_XE_PMU_XXXX listed in xe_drm.h
- * in 'struct perf_event_attr' as part of perf_event_open syscall to read a
- * particular event.
- *
- * For example to open the DRMXE_PMU_RENDER_GROUP_BUSY(0):
- *
- * .. code-block:: C
- *
- *	struct perf_event_attr attr;
- *	long long count;
- *	int cpu = 0;
- *	int fd;
- *
- *	memset(&attr, 0, sizeof(struct perf_event_attr));
- *	attr.type = type; // eg: /sys/bus/event_source/devices/xe_0000_56_00.0/type
- *	attr.read_format = PERF_FORMAT_TOTAL_TIME_ENABLED;
- *	attr.use_clockid = 1;
- *	attr.clockid = CLOCK_MONOTONIC;
- *	attr.config = DRM_XE_PMU_RENDER_GROUP_BUSY(0);
- *
- *	fd = syscall(__NR_perf_event_open, &attr, -1, cpu, -1, 0);
- */
-
-/*
- * Top bits of every counter are GT id.
- */
-#define __DRM_XE_PMU_GT_SHIFT (56)
-
-#define ___DRM_XE_PMU_OTHER(gt, x) \
-	(((__u64)(x)) | ((__u64)(gt) << __DRM_XE_PMU_GT_SHIFT))
-
-#define DRM_XE_PMU_RENDER_GROUP_BUSY(gt)	___DRM_XE_PMU_OTHER(gt, 0)
-#define DRM_XE_PMU_COPY_GROUP_BUSY(gt)		___DRM_XE_PMU_OTHER(gt, 1)
-#define DRM_XE_PMU_MEDIA_GROUP_BUSY(gt)		___DRM_XE_PMU_OTHER(gt, 2)
-#define DRM_XE_PMU_ANY_ENGINE_GROUP_BUSY(gt)	___DRM_XE_PMU_OTHER(gt, 3)
-
 #if defined(__cplusplus)
 }
 #endif
-- 
2.41.0



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