2 * Copyright © 2018 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
31 #if defined(MAJOR_IN_SYSMACROS)
32 #include <sys/sysmacros.h>
33 #elif defined(MAJOR_IN_MKDEV)
34 #include <sys/mkdev.h>
37 #include "util/hash_table.h"
38 #include "compiler/glsl/list.h"
39 #include "util/ralloc.h"
41 struct gen_device_info
;
43 struct gen_perf_config
;
44 struct gen_perf_query_info
;
46 enum gen_perf_counter_type
{
47 GEN_PERF_COUNTER_TYPE_EVENT
,
48 GEN_PERF_COUNTER_TYPE_DURATION_NORM
,
49 GEN_PERF_COUNTER_TYPE_DURATION_RAW
,
50 GEN_PERF_COUNTER_TYPE_THROUGHPUT
,
51 GEN_PERF_COUNTER_TYPE_RAW
,
52 GEN_PERF_COUNTER_TYPE_TIMESTAMP
,
55 enum gen_perf_counter_data_type
{
56 GEN_PERF_COUNTER_DATA_TYPE_BOOL32
,
57 GEN_PERF_COUNTER_DATA_TYPE_UINT32
,
58 GEN_PERF_COUNTER_DATA_TYPE_UINT64
,
59 GEN_PERF_COUNTER_DATA_TYPE_FLOAT
,
60 GEN_PERF_COUNTER_DATA_TYPE_DOUBLE
,
63 struct gen_pipeline_stat
{
70 * The largest OA formats we can use include:
72 * 1 timestamp, 45 A counters, 8 B counters and 8 C counters.
74 * 1 timestamp, 1 clock, 36 A counters, 8 B counters and 8 C counters
76 #define MAX_OA_REPORT_COUNTERS 62
79 * When currently allocate only one page for pipeline statistics queries. Here
80 * we derived the maximum number of counters for that amount.
82 #define STATS_BO_SIZE 4096
83 #define STATS_BO_END_OFFSET_BYTES (STATS_BO_SIZE / 2)
84 #define MAX_STAT_COUNTERS (STATS_BO_END_OFFSET_BYTES / 8)
86 #define I915_PERF_OA_SAMPLE_SIZE (8 + /* drm_i915_perf_record_header */ \
87 256) /* OA counter report */
89 struct gen_perf_query_result
{
91 * Storage for the final accumulated OA counters.
93 uint64_t accumulator
[MAX_OA_REPORT_COUNTERS
];
96 * Hw ID used by the context on which the query was running.
101 * Number of reports accumulated to produce the results.
103 uint32_t reports_accumulated
;
106 * Frequency in the slices of the GT at the begin and end of the
109 uint64_t slice_frequency
[2];
112 * Frequency in the unslice of the GT at the begin and end of the
115 uint64_t unslice_frequency
[2];
118 * Timestamp of the query.
120 uint64_t begin_timestamp
;
123 struct gen_perf_query_counter
{
126 enum gen_perf_counter_type type
;
127 enum gen_perf_counter_data_type data_type
;
132 uint64_t (*oa_counter_read_uint64
)(struct gen_perf_config
*perf
,
133 const struct gen_perf_query_info
*query
,
134 const uint64_t *accumulator
);
135 float (*oa_counter_read_float
)(struct gen_perf_config
*perf
,
136 const struct gen_perf_query_info
*query
,
137 const uint64_t *accumulator
);
138 struct gen_pipeline_stat pipeline_stat
;
142 struct gen_perf_query_register_prog
{
147 /* Register programming for a given query */
148 struct gen_perf_registers
{
149 struct gen_perf_query_register_prog
*flex_regs
;
150 uint32_t n_flex_regs
;
152 struct gen_perf_query_register_prog
*mux_regs
;
155 struct gen_perf_query_register_prog
*b_counter_regs
;
156 uint32_t n_b_counter_regs
;
159 struct gen_perf_query_info
{
160 enum gen_perf_query_type
{
161 GEN_PERF_QUERY_TYPE_OA
,
162 GEN_PERF_QUERY_TYPE_RAW
,
163 GEN_PERF_QUERY_TYPE_PIPELINE
,
167 struct gen_perf_query_counter
*counters
;
173 uint64_t oa_metrics_set_id
;
176 /* For indexing into the accumulator[] ... */
178 int gpu_clock_offset
;
183 struct gen_perf_registers config
;
186 struct gen_perf_config
{
187 bool i915_query_supported
;
189 struct gen_perf_query_info
*queries
;
192 /* Variables referenced in the XML meta data for OA performance
193 * counters, e.g in the normalization equations.
195 * All uint64_t for consistent operand types in generated code
198 uint64_t timestamp_frequency
; /** $GpuTimestampFrequency */
199 uint64_t n_eus
; /** $EuCoresTotalCount */
200 uint64_t n_eu_slices
; /** $EuSlicesTotalCount */
201 uint64_t n_eu_sub_slices
; /** $EuSubslicesTotalCount */
202 uint64_t eu_threads_count
; /** $EuThreadsCount */
203 uint64_t slice_mask
; /** $SliceMask */
204 uint64_t subslice_mask
; /** $SubsliceMask */
205 uint64_t gt_min_freq
; /** $GpuMinFrequency */
206 uint64_t gt_max_freq
; /** $GpuMaxFrequency */
207 uint64_t revision
; /** $SkuRevisionId */
210 /* OA metric sets, indexed by GUID, as know by Mesa at build time, to
211 * cross-reference with the GUIDs of configs advertised by the kernel at
214 struct hash_table
*oa_metrics_table
;
216 /* Location of the device's sysfs entry. */
217 char sysfs_dev_dir
[256];
220 void *(*bo_alloc
)(void *bufmgr
, const char *name
, uint64_t size
);
221 void (*bo_unreference
)(void *bo
);
222 void *(*bo_map
)(void *ctx
, void *bo
, unsigned flags
);
223 void (*bo_unmap
)(void *bo
);
224 bool (*batch_references
)(void *batch
, void *bo
);
225 void (*bo_wait_rendering
)(void *bo
);
226 int (*bo_busy
)(void *bo
);
227 void (*emit_stall_at_pixel_scoreboard
)(void *ctx
);
228 void (*emit_mi_report_perf_count
)(void *ctx
,
230 uint32_t offset_in_bytes
,
232 void (*batchbuffer_flush
)(void *ctx
,
233 const char *file
, int line
);
234 void (*store_register_mem
)(void *ctx
, void *bo
, uint32_t reg
, uint32_t reg_size
, uint32_t offset
);
239 struct gen_perf_query_object
;
240 const struct gen_perf_query_info
* gen_perf_query_info(const struct gen_perf_query_object
*);
242 void gen_perf_init_metrics(struct gen_perf_config
*perf_cfg
,
243 const struct gen_device_info
*devinfo
,
246 /** Query i915 for a metric id using guid.
248 bool gen_perf_load_metric_id(struct gen_perf_config
*perf_cfg
,
250 uint64_t *metric_id
);
252 /** Load a configuation's content from i915 using a guid.
254 struct gen_perf_registers
*gen_perf_load_configuration(struct gen_perf_config
*perf_cfg
,
255 int fd
, const char *guid
);
257 /** Store a configuration into i915 using guid and return a new metric id.
259 * If guid is NULL, then a generated one will be provided by hashing the
260 * content of the configuration.
262 uint64_t gen_perf_store_configuration(struct gen_perf_config
*perf_cfg
, int fd
,
263 const struct gen_perf_registers
*config
,
266 /** Read the slice/unslice frequency from 2 OA reports and store then into
269 void gen_perf_query_result_read_frequencies(struct gen_perf_query_result
*result
,
270 const struct gen_device_info
*devinfo
,
271 const uint32_t *start
,
272 const uint32_t *end
);
273 /** Accumulate the delta between 2 OA reports into result for a given query.
275 void gen_perf_query_result_accumulate(struct gen_perf_query_result
*result
,
276 const struct gen_perf_query_info
*query
,
277 const uint32_t *start
,
278 const uint32_t *end
);
279 void gen_perf_query_result_clear(struct gen_perf_query_result
*result
);
281 struct gen_perf_context
;
282 struct gen_perf_context
*gen_perf_new_context(void *parent
);
284 void gen_perf_init_context(struct gen_perf_context
*perf_ctx
,
285 struct gen_perf_config
*perf_cfg
,
286 void * ctx
, /* driver context (eg, brw_context) */
287 void * bufmgr
, /* eg brw_bufmgr */
288 const struct gen_device_info
*devinfo
,
292 struct gen_perf_config
*gen_perf_config(struct gen_perf_context
*ctx
);
294 int gen_perf_active_queries(struct gen_perf_context
*perf_ctx
,
295 const struct gen_perf_query_info
*query
);
298 gen_perf_query_counter_get_size(const struct gen_perf_query_counter
*counter
)
300 switch (counter
->data_type
) {
301 case GEN_PERF_COUNTER_DATA_TYPE_BOOL32
:
302 return sizeof(uint32_t);
303 case GEN_PERF_COUNTER_DATA_TYPE_UINT32
:
304 return sizeof(uint32_t);
305 case GEN_PERF_COUNTER_DATA_TYPE_UINT64
:
306 return sizeof(uint64_t);
307 case GEN_PERF_COUNTER_DATA_TYPE_FLOAT
:
308 return sizeof(float);
309 case GEN_PERF_COUNTER_DATA_TYPE_DOUBLE
:
310 return sizeof(double);
312 unreachable("invalid counter data type");
316 static inline struct gen_perf_config
*
317 gen_perf_new(void *ctx
)
319 struct gen_perf_config
*perf
= rzalloc(ctx
, struct gen_perf_config
);
323 struct gen_perf_query_object
*
324 gen_perf_new_query(struct gen_perf_context
*, unsigned query_index
);
327 bool gen_perf_begin_query(struct gen_perf_context
*perf_ctx
,
328 struct gen_perf_query_object
*query
);
329 void gen_perf_end_query(struct gen_perf_context
*perf_ctx
,
330 struct gen_perf_query_object
*query
);
331 void gen_perf_wait_query(struct gen_perf_context
*perf_ctx
,
332 struct gen_perf_query_object
*query
,
333 void *current_batch
);
334 bool gen_perf_is_query_ready(struct gen_perf_context
*perf_ctx
,
335 struct gen_perf_query_object
*query
,
336 void *current_batch
);
337 void gen_perf_delete_query(struct gen_perf_context
*perf_ctx
,
338 struct gen_perf_query_object
*query
);
339 void gen_perf_get_query_data(struct gen_perf_context
*perf_ctx
,
340 struct gen_perf_query_object
*query
,
343 unsigned *bytes_written
);
345 void gen_perf_dump_query_count(struct gen_perf_context
*perf_ctx
);
346 void gen_perf_dump_query(struct gen_perf_context
*perf_ctx
,
347 struct gen_perf_query_object
*obj
,
348 void *current_batch
);
350 #endif /* GEN_PERF_H */