src/intel/perf/gen_perf.py

   1 # Copyright (c) 2015-2017 Intel Corporation
   2 #
   3 # Permission is hereby granted, free of charge, to any person obtaining a
   4 # copy of this software and associated documentation files (the "Software"),
   5 # to deal in the Software without restriction, including without limitation
   6 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 # and/or sell copies of the Software, and to permit persons to whom the
   8 # Software is furnished to do so, subject to the following conditions:
   9 #
  10 # The above copyright notice and this permission notice (including the next
  11 # paragraph) shall be included in all copies or substantial portions of the
  12 # Software.
  13 #
  14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20 # IN THE SOFTWARE.
  21
  22 import argparse
  23 import os
  24 import sys
  25 import textwrap
  26
  27 import xml.etree.cElementTree as et
  28
  29 hashed_funcs = {}
  30
  31 c_file = None
  32 _c_indent = 0
  33
  34 def c(*args):
  35     code = ' '.join(map(str,args))
  36     for line in code.splitlines():
  37         text = ''.rjust(_c_indent) + line
  38         c_file.write(text.rstrip() + "\n")
  39
  40 # indented, but no trailing newline...
  41 def c_line_start(code):
  42     c_file.write(''.rjust(_c_indent) + code)
  43 def c_raw(code):
  44     c_file.write(code)
  45
  46 def c_indent(n):
  47     global _c_indent
  48     _c_indent = _c_indent + n
  49 def c_outdent(n):
  50     global _c_indent
  51     _c_indent = _c_indent - n
  52
  53 header_file = None
  54 _h_indent = 0
  55
  56 def h(*args):
  57     code = ' '.join(map(str,args))
  58     for line in code.splitlines():
  59         text = ''.rjust(_h_indent) + line
  60         header_file.write(text.rstrip() + "\n")
  61
  62 def h_indent(n):
  63     global _c_indent
  64     _h_indent = _h_indent + n
  65 def h_outdent(n):
  66     global _c_indent
  67     _h_indent = _h_indent - n
  68
  69
  70 def emit_fadd(tmp_id, args):
  71     c("double tmp{0} = {1} + {2};".format(tmp_id, args[1], args[0]))
  72     return tmp_id + 1
  73
  74 # Be careful to check for divide by zero...
  75 def emit_fdiv(tmp_id, args):
  76     c("double tmp{0} = {1};".format(tmp_id, args[1]))
  77     c("double tmp{0} = {1};".format(tmp_id + 1, args[0]))
  78     c("double tmp{0} = tmp{1} ? tmp{2} / tmp{1} : 0;".format(tmp_id + 2, tmp_id + 1, tmp_id))
  79     return tmp_id + 3
  80
  81 def emit_fmax(tmp_id, args):
  82     c("double tmp{0} = {1};".format(tmp_id, args[1]))
  83     c("double tmp{0} = {1};".format(tmp_id + 1, args[0]))
  84     c("double tmp{0} = MAX(tmp{1}, tmp{2});".format(tmp_id + 2, tmp_id, tmp_id + 1))
  85     return tmp_id + 3
  86
  87 def emit_fmul(tmp_id, args):
  88     c("double tmp{0} = {1} * {2};".format(tmp_id, args[1], args[0]))
  89     return tmp_id + 1
  90
  91 def emit_fsub(tmp_id, args):
  92     c("double tmp{0} = {1} - {2};".format(tmp_id, args[1], args[0]))
  93     return tmp_id + 1
  94
  95 def emit_read(tmp_id, args):
  96     type = args[1].lower()
  97     c("uint64_t tmp{0} = accumulator[query->{1}_offset + {2}];".format(tmp_id, type, args[0]))
  98     return tmp_id + 1
  99
 100 def emit_uadd(tmp_id, args):
 101     c("uint64_t tmp{0} = {1} + {2};".format(tmp_id, args[1], args[0]))
 102     return tmp_id + 1
 103
 104 # Be careful to check for divide by zero...
 105 def emit_udiv(tmp_id, args):
 106     c("uint64_t tmp{0} = {1};".format(tmp_id, args[1]))
 107     c("uint64_t tmp{0} = {1};".format(tmp_id + 1, args[0]))
 108     c("uint64_t tmp{0} = tmp{1} ? tmp{2} / tmp{1} : 0;".format(tmp_id + 2, tmp_id + 1, tmp_id))
 109     return tmp_id + 3
 110
 111 def emit_umul(tmp_id, args):
 112     c("uint64_t tmp{0} = {1} * {2};".format(tmp_id, args[1], args[0]))
 113     return tmp_id + 1
 114
 115 def emit_usub(tmp_id, args):
 116     c("uint64_t tmp{0} = {1} - {2};".format(tmp_id, args[1], args[0]))
 117     return tmp_id + 1
 118
 119 def emit_umin(tmp_id, args):
 120     c("uint64_t tmp{0} = MIN({1}, {2});".format(tmp_id, args[1], args[0]))
 121     return tmp_id + 1
 122
 123 def emit_lshft(tmp_id, args):
 124     c("uint64_t tmp{0} = {1} << {2};".format(tmp_id, args[1], args[0]))
 125     return tmp_id + 1
 126
 127 def emit_rshft(tmp_id, args):
 128     c("uint64_t tmp{0} = {1} >> {2};".format(tmp_id, args[1], args[0]))
 129     return tmp_id + 1
 130
 131 def emit_and(tmp_id, args):
 132     c("uint64_t tmp{0} = {1} & {2};".format(tmp_id, args[1], args[0]))
 133     return tmp_id + 1
 134
 135 ops = {}
 136 #             (n operands, emitter)
 137 ops["FADD"] = (2, emit_fadd)
 138 ops["FDIV"] = (2, emit_fdiv)
 139 ops["FMAX"] = (2, emit_fmax)
 140 ops["FMUL"] = (2, emit_fmul)
 141 ops["FSUB"] = (2, emit_fsub)
 142 ops["READ"] = (2, emit_read)
 143 ops["UADD"] = (2, emit_uadd)
 144 ops["UDIV"] = (2, emit_udiv)
 145 ops["UMUL"] = (2, emit_umul)
 146 ops["USUB"] = (2, emit_usub)
 147 ops["UMIN"] = (2, emit_umin)
 148 ops["<<"]   = (2, emit_lshft)
 149 ops[">>"]   = (2, emit_rshft)
 150 ops["AND"]  = (2, emit_and)
 151
 152 def brkt(subexp):
 153     if " " in subexp:
 154         return "(" + subexp + ")"
 155     else:
 156         return subexp
 157
 158 def splice_bitwise_and(args):
 159     return brkt(args[1]) + " & " + brkt(args[0])
 160
 161 def splice_logical_and(args):
 162     return brkt(args[1]) + " && " + brkt(args[0])
 163
 164 def splice_ult(args):
 165     return brkt(args[1]) + " < " + brkt(args[0])
 166
 167 def splice_ugte(args):
 168     return brkt(args[1]) + " >= " + brkt(args[0])
 169
 170 exp_ops = {}
 171 #                 (n operands, splicer)
 172 exp_ops["AND"]  = (2, splice_bitwise_and)
 173 exp_ops["UGTE"] = (2, splice_ugte)
 174 exp_ops["ULT"]  = (2, splice_ult)
 175 exp_ops["&&"]   = (2, splice_logical_and)
 176
 177
 178 hw_vars = {}
 179 hw_vars["$EuCoresTotalCount"] = "perf->sys_vars.n_eus"
 180 hw_vars["$EuSlicesTotalCount"] = "perf->sys_vars.n_eu_slices"
 181 hw_vars["$EuSubslicesTotalCount"] = "perf->sys_vars.n_eu_sub_slices"
 182 hw_vars["$EuThreadsCount"] = "perf->sys_vars.eu_threads_count"
 183 hw_vars["$SliceMask"] = "perf->sys_vars.slice_mask"
 184 # subslice_mask is interchangeable with subslice/dual-subslice since Gen12+
 185 # only has dual subslices which can be assimilated with 16EUs subslices.
 186 hw_vars["$SubsliceMask"] = "perf->sys_vars.subslice_mask"
 187 hw_vars["$DualSubsliceMask"] = "perf->sys_vars.subslice_mask"
 188 hw_vars["$GpuTimestampFrequency"] = "perf->sys_vars.timestamp_frequency"
 189 hw_vars["$GpuMinFrequency"] = "perf->sys_vars.gt_min_freq"
 190 hw_vars["$GpuMaxFrequency"] = "perf->sys_vars.gt_max_freq"
 191 hw_vars["$SkuRevisionId"] = "perf->sys_vars.revision"
 192
 193 def output_rpn_equation_code(set, counter, equation):
 194     c("/* RPN equation: " + equation + " */")
 195     tokens = equation.split()
 196     stack = []
 197     tmp_id = 0
 198     tmp = None
 199
 200     for token in tokens:
 201         stack.append(token)
 202         while stack and stack[-1] in ops:
 203             op = stack.pop()
 204             argc, callback = ops[op]
 205             args = []
 206             for i in range(0, argc):
 207                 operand = stack.pop()
 208                 if operand[0] == "$":
 209                     if operand in hw_vars:
 210                         operand = hw_vars[operand]
 211                     elif operand in set.counter_vars:
 212                         reference = set.counter_vars[operand]
 213                         operand = set.read_funcs[operand[1:]] + "(perf, query, accumulator)"
 214                     else:
 215                         raise Exception("Failed to resolve variable " + operand + " in equation " + equation + " for " + set.name + " :: " + counter.get('name'));
 216                 args.append(operand)
 217
 218             tmp_id = callback(tmp_id, args)
 219
 220             tmp = "tmp{0}".format(tmp_id - 1)
 221             stack.append(tmp)
 222
 223     if len(stack) != 1:
 224         raise Exception("Spurious empty rpn code for " + set.name + " :: " +
 225                 counter.get('name') + ".\nThis is probably due to some unhandled RPN function, in the equation \"" +
 226                 equation + "\"")
 227
 228     value = stack[-1]
 229
 230     if value in hw_vars:
 231         value = hw_vars[value]
 232     if value in set.counter_vars:
 233         value = set.read_funcs[value[1:]] + "(perf, query, accumulator)"
 234
 235     c("\nreturn " + value + ";")
 236
 237 def splice_rpn_expression(set, counter, expression):
 238     tokens = expression.split()
 239     stack = []
 240
 241     for token in tokens:
 242         stack.append(token)
 243         while stack and stack[-1] in exp_ops:
 244             op = stack.pop()
 245             argc, callback = exp_ops[op]
 246             args = []
 247             for i in range(0, argc):
 248                 operand = stack.pop()
 249                 if operand[0] == "$":
 250                     if operand in hw_vars:
 251                         operand = hw_vars[operand]
 252                     else:
 253                         raise Exception("Failed to resolve variable " + operand + " in expression " + expression + " for " + set.name + " :: " + counter.get('name'));
 254                 args.append(operand)
 255
 256             subexp = callback(args)
 257
 258             stack.append(subexp)
 259
 260     if len(stack) != 1:
 261         raise Exception("Spurious empty rpn expression for " + set.name + " :: " +
 262                 counter.get('name') + ".\nThis is probably due to some unhandled RPN operation, in the expression \"" +
 263                 expression + "\"")
 264
 265     return stack[-1]
 266
 267 def output_counter_read(gen, set, counter):
 268     c("\n")
 269     c("/* {0} :: {1} */".format(set.name, counter.get('name')))
 270
 271     if counter.read_hash in hashed_funcs:
 272         c("#define %s \\" % counter.read_sym)
 273         c_indent(3)
 274         c("%s" % hashed_funcs[counter.read_hash])
 275         c_outdent(3)
 276     else:
 277         ret_type = counter.get('data_type')
 278         if ret_type == "uint64":
 279             ret_type = "uint64_t"
 280
 281         read_eq = counter.get('equation')
 282
 283         c("static " + ret_type)
 284         c(counter.read_sym + "(UNUSED struct gen_perf_config *perf,\n")
 285         c_indent(len(counter.read_sym) + 1)
 286         c("const struct gen_perf_query_info *query,\n")
 287         c("const uint64_t *accumulator)\n")
 288         c_outdent(len(counter.read_sym) + 1)
 289
 290         c("{")
 291         c_indent(3)
 292         output_rpn_equation_code(set, counter, read_eq)
 293         c_outdent(3)
 294         c("}")
 295
 296         hashed_funcs[counter.read_hash] = counter.read_sym
 297
 298
 299 def output_counter_max(gen, set, counter):
 300     max_eq = counter.get('max_equation')
 301
 302     if not counter.has_max_func():
 303         return
 304
 305     c("\n")
 306     c("/* {0} :: {1} */".format(set.name, counter.get('name')))
 307
 308     if counter.max_hash in hashed_funcs:
 309         c("#define %s \\" % counter.max_sym())
 310         c_indent(3)
 311         c("%s" % hashed_funcs[counter.max_hash])
 312         c_outdent(3)
 313     else:
 314         ret_type = counter.get('data_type')
 315         if ret_type == "uint64":
 316             ret_type = "uint64_t"
 317
 318         c("static " + ret_type)
 319         c(counter.max_sym() + "(struct gen_perf_config *perf)\n")
 320         c("{")
 321         c_indent(3)
 322         output_rpn_equation_code(set, counter, max_eq)
 323         c_outdent(3)
 324         c("}")
 325
 326         hashed_funcs[counter.max_hash] = counter.max_sym()
 327
 328
 329 c_type_sizes = { "uint32_t": 4, "uint64_t": 8, "float": 4, "double": 8, "bool": 4 }
 330 def sizeof(c_type):
 331     return c_type_sizes[c_type]
 332
 333 def pot_align(base, pot_alignment):
 334     return (base + pot_alignment - 1) & ~(pot_alignment - 1);
 335
 336 semantic_type_map = {
 337     "duration": "raw",
 338     "ratio": "event"
 339     }
 340
 341 def output_availability(set, availability, counter_name):
 342     expression = splice_rpn_expression(set, counter_name, availability)
 343     lines = expression.split(' && ')
 344     n_lines = len(lines)
 345     if n_lines == 1:
 346         c("if (" + lines[0] + ") {")
 347     else:
 348         c("if (" + lines[0] + " &&")
 349         c_indent(4)
 350         for i in range(1, (n_lines - 1)):
 351             c(lines[i] + " &&")
 352         c(lines[(n_lines - 1)] + ") {")
 353         c_outdent(4)
 354
 355
 356 def output_counter_report(set, counter, current_offset):
 357     data_type = counter.get('data_type')
 358     data_type_uc = data_type.upper()
 359     c_type = data_type
 360
 361     if "uint" in c_type:
 362         c_type = c_type + "_t"
 363
 364     semantic_type = counter.get('semantic_type')
 365     if semantic_type in semantic_type_map:
 366         semantic_type = semantic_type_map[semantic_type]
 367
 368     semantic_type_uc = semantic_type.upper()
 369
 370     c("\n")
 371
 372     availability = counter.get('availability')
 373     if availability:
 374         output_availability(set, availability, counter.get('name'))
 375         c_indent(3)
 376
 377     c("counter = &query->counters[query->n_counters++];\n")
 378     c("counter->oa_counter_read_" + data_type + " = " + set.read_funcs[counter.get('symbol_name')] + ";\n")
 379     c("counter->name = \"" + counter.get('name') + "\";\n")
 380     c("counter->desc = \"" + counter.get('description') + "\";\n")
 381     c("counter->type = GEN_PERF_COUNTER_TYPE_" + semantic_type_uc + ";\n")
 382     c("counter->data_type = GEN_PERF_COUNTER_DATA_TYPE_" + data_type_uc + ";\n")
 383     c("counter->raw_max = " + set.max_values[counter.get('symbol_name')] + ";\n")
 384
 385     current_offset = pot_align(current_offset, sizeof(c_type))
 386     c("counter->offset = " + str(current_offset) + ";\n")
 387
 388     if availability:
 389         c_outdent(3);
 390         c("}")
 391
 392     return current_offset + sizeof(c_type)
 393
 394
 395 register_types = {
 396     'FLEX': 'flex_regs',
 397     'NOA': 'mux_regs',
 398     'OA': 'b_counter_regs',
 399 }
 400
 401 def compute_register_lengths(set):
 402     register_lengths = {}
 403     register_configs = set.findall('register_config')
 404     for register_config in register_configs:
 405         t = register_types[register_config.get('type')]
 406         if t not in register_lengths:
 407             register_lengths[t] = len(register_config.findall('register'))
 408         else:
 409             register_lengths[t] += len(register_config.findall('register'))
 410
 411     return register_lengths
 412
 413
 414 def generate_register_configs(set):
 415     register_configs = set.findall('register_config')
 416     for register_config in register_configs:
 417         t = register_types[register_config.get('type')]
 418
 419         availability = register_config.get('availability')
 420         if availability:
 421             output_availability(set, availability, register_config.get('type') + ' register config')
 422             c_indent(3)
 423
 424         for register in register_config.findall('register'):
 425             c("query->config.%s[query->config.n_%s++] = (struct gen_perf_query_register_prog) { .reg = %s, .val = %s };" %
 426               (t, t, register.get('address'), register.get('value')))
 427
 428         if availability:
 429             c_outdent(3)
 430             c("}")
 431         c("\n")
 432
 433
 434 # Wraps a <counter> element from the oa-*.xml files.
 435 class Counter:
 436     def __init__(self, set, xml):
 437         self.xml = xml
 438         self.set = set
 439         self.read_hash = None
 440         self.max_hash = None
 441
 442         self.read_sym = "{0}__{1}__{2}__read".format(self.set.gen.chipset,
 443                                                      self.set.underscore_name,
 444                                                      self.xml.get('underscore_name'))
 445
 446     def get(self, prop):
 447         return self.xml.get(prop)
 448
 449     # Compute the hash of a counter's equation by expanding (including all the
 450     # sub-equations it depends on)
 451     def compute_hashes(self):
 452         if self.read_hash is not None:
 453             return
 454
 455         def replace_token(token):
 456             if token[0] != "$":
 457                 return token
 458             if token not in self.set.counter_vars:
 459                 return token
 460             self.set.counter_vars[token].compute_hashes()
 461             return self.set.counter_vars[token].read_hash
 462
 463         read_eq = self.xml.get('equation')
 464         self.read_hash = ' '.join(map(replace_token, read_eq.split()))
 465
 466         max_eq = self.xml.get('max_equation')
 467         if max_eq:
 468             self.max_hash = ' '.join(map(replace_token, max_eq.split()))
 469
 470     def has_max_func(self):
 471         max_eq = self.xml.get('max_equation')
 472         if not max_eq:
 473             return False
 474
 475         try:
 476             val = float(max_eq)
 477             return False
 478         except ValueError:
 479             pass
 480
 481         for token in max_eq.split():
 482             if token[0] == '$' and token not in hw_vars:
 483                 return False
 484         return True
 485
 486     def max_sym(self):
 487         assert self.has_max_func()
 488         return "{0}__{1}__{2}__max".format(self.set.gen.chipset,
 489                                            self.set.underscore_name,
 490                                            self.xml.get('underscore_name'))
 491
 492     def max_value(self):
 493         max_eq = self.xml.get('max_equation')
 494         if not max_eq:
 495             return "0 /* undefined */"
 496
 497         try:
 498             return "{0}".format(float(max_eq))
 499         except ValueError:
 500             pass
 501
 502         for token in max_eq.split():
 503             if token[0] == '$' and token not in hw_vars:
 504                 return "0 /* unsupported (varies over time) */"
 505
 506         return "{0}__{1}__{2}__max(perf)".format(self.set.gen.chipset,
 507                                                  self.set.underscore_name,
 508                                                  self.xml.get('underscore_name'))
 509
 510 # Wraps a <set> element from the oa-*.xml files.
 511 class Set:
 512     def __init__(self, gen, xml):
 513         self.gen = gen
 514         self.xml = xml
 515
 516         self.counter_vars = {}
 517         self.max_values = {}
 518         self.read_funcs = {}
 519
 520         xml_counters = self.xml.findall("counter")
 521         self.counters = []
 522         for xml_counter in xml_counters:
 523             counter = Counter(self, xml_counter)
 524             self.counters.append(counter)
 525             self.counter_vars["$" + counter.get('symbol_name')] = counter
 526             self.read_funcs[counter.get('symbol_name')] = counter.read_sym
 527             self.max_values[counter.get('symbol_name')] = counter.max_value()
 528
 529         for counter in self.counters:
 530             counter.compute_hashes()
 531
 532     @property
 533     def hw_config_guid(self):
 534         return self.xml.get('hw_config_guid')
 535
 536     @property
 537     def name(self):
 538         return self.xml.get('name')
 539
 540     @property
 541     def symbol_name(self):
 542         return self.xml.get('symbol_name')
 543
 544     @property
 545     def underscore_name(self):
 546         return self.xml.get('underscore_name')
 547
 548     def findall(self, path):
 549         return self.xml.findall(path)
 550
 551     def find(self, path):
 552         return self.xml.find(path)
 553
 554
 555 # Wraps an entire oa-*.xml file.
 556 class Gen:
 557     def __init__(self, filename):
 558         self.filename = filename
 559         self.xml = et.parse(self.filename)
 560         self.chipset = self.xml.find('.//set').get('chipset').lower()
 561         self.sets = []
 562
 563         for xml_set in self.xml.findall(".//set"):
 564             self.sets.append(Set(self, xml_set))
 565
 566
 567 def main():
 568     global c_file
 569     global header_file
 570
 571     parser = argparse.ArgumentParser()
 572     parser.add_argument("--header", help="Header file to write", required=True)
 573     parser.add_argument("--code", help="C file to write", required=True)
 574     parser.add_argument("xml_files", nargs='+', help="List of xml metrics files to process")
 575
 576     args = parser.parse_args()
 577
 578     c_file = open(args.code, 'w')
 579     header_file = open(args.header, 'w')
 580
 581     gens = []
 582     for xml_file in args.xml_files:
 583         gens.append(Gen(xml_file))
 584
 585
 586     copyright = textwrap.dedent("""\
 587         /* Autogenerated file, DO NOT EDIT manually! generated by {}
 588          *
 589          * Copyright (c) 2015 Intel Corporation
 590          *
 591          * Permission is hereby granted, free of charge, to any person obtaining a
 592          * copy of this software and associated documentation files (the "Software"),
 593          * to deal in the Software without restriction, including without limitation
 594          * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 595          * and/or sell copies of the Software, and to permit persons to whom the
 596          * Software is furnished to do so, subject to the following conditions:
 597          *
 598          * The above copyright notice and this permission notice (including the next
 599          * paragraph) shall be included in all copies or substantial portions of the
 600          * Software.
 601          *
 602          * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 603          * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 604          * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 605          * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 606          * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 607          * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 608          * DEALINGS IN THE SOFTWARE.
 609          */
 610
 611         """).format(os.path.basename(__file__))
 612
 613     h(copyright)
 614     h(textwrap.dedent("""\
 615         #pragma once
 616
 617         struct gen_perf_config;
 618
 619         """))
 620
 621     c(copyright)
 622     c(textwrap.dedent("""\
 623         #include <stdint.h>
 624         #include <stdbool.h>
 625
 626         #include <drm-uapi/i915_drm.h>
 627
 628         #include "util/hash_table.h"
 629
 630         """))
 631
 632     c("#include \"" + os.path.basename(args.header) + "\"")
 633
 634     c(textwrap.dedent("""\
 635         #include "perf/gen_perf.h"
 636
 637
 638         #define MIN(a, b) ((a < b) ? (a) : (b))
 639         #define MAX(a, b) ((a > b) ? (a) : (b))
 640
 641
 642         """))
 643
 644     # Print out all equation functions.
 645     for gen in gens:
 646         for set in gen.sets:
 647             for counter in set.counters:
 648                 output_counter_read(gen, set, counter)
 649                 output_counter_max(gen, set, counter)
 650
 651     # Print out all metric sets registration functions for each set in each
 652     # generation.
 653     for gen in gens:
 654         for set in gen.sets:
 655             counters = set.counters
 656
 657             c("\n")
 658             register_lengths = compute_register_lengths(set);
 659             for reg_type, reg_length in register_lengths.items():
 660                 c("static struct gen_perf_query_register_prog {0}_{1}_{2}[{3}];".format(gen.chipset,
 661                                                                                         set.underscore_name,
 662                                                                                         reg_type, reg_length))
 663
 664             c("\nstatic struct gen_perf_query_counter {0}_{1}_query_counters[{2}];\n".format(gen.chipset, set.underscore_name, len(counters)))
 665             c("static struct gen_perf_query_info " + gen.chipset + "_" + set.underscore_name + "_query = {\n")
 666             c_indent(3)
 667
 668             c(".kind = GEN_PERF_QUERY_TYPE_OA,\n")
 669             c(".name = \"" + set.name + "\",\n")
 670             c(".guid = \"" + set.hw_config_guid + "\",\n")
 671
 672             c(".counters = {0}_{1}_query_counters,".format(gen.chipset, set.underscore_name))
 673             c(".n_counters = 0,")
 674             c(".oa_metrics_set_id = 0, /* determined at runtime, via sysfs */")
 675
 676             if gen.chipset == "hsw":
 677                 c(textwrap.dedent("""\
 678                     .oa_format = I915_OA_FORMAT_A45_B8_C8,
 679
 680                     /* Accumulation buffer offsets... */
 681                     .gpu_time_offset = 0,
 682                     .a_offset = 1,
 683                     .b_offset = 46,
 684                     .c_offset = 54,
 685                 """))
 686             else:
 687                 c(textwrap.dedent("""\
 688                     .oa_format = I915_OA_FORMAT_A32u40_A4u32_B8_C8,
 689
 690                     /* Accumulation buffer offsets... */
 691                     .gpu_time_offset = 0,
 692                     .gpu_clock_offset = 1,
 693                     .a_offset = 2,
 694                     .b_offset = 38,
 695                     .c_offset = 46,
 696                 """))
 697
 698             c(".config = {")
 699             c_indent(3)
 700             for reg_type, reg_length in register_lengths.items():
 701                 c(".{0} = {1}_{2}_{3},".format(reg_type, gen.chipset, set.underscore_name, reg_type))
 702                 c(".n_{0} = 0, /* Determined at runtime */".format(reg_type))
 703             c_outdent(3)
 704             c("},")
 705
 706             c_outdent(3)
 707             c("};\n")
 708
 709             c("\nstatic void\n")
 710             c("{0}_register_{1}_counter_query(struct gen_perf_config *perf)\n".format(gen.chipset, set.underscore_name))
 711             c("{\n")
 712             c_indent(3)
 713
 714             c("static struct gen_perf_query_info *query = &" + gen.chipset + "_" + set.underscore_name + "_query;\n")
 715             c("struct gen_perf_query_counter *counter;\n")
 716
 717             c("\n")
 718             c("/* Note: we're assuming there can't be any variation in the definition ")
 719             c(" * of a query between contexts so it's ok to describe a query within a ")
 720             c(" * global variable which only needs to be initialized once... */")
 721             c("\nif (!query->data_size) {")
 722             c_indent(3)
 723
 724             generate_register_configs(set)
 725
 726             offset = 0
 727             for counter in counters:
 728                 offset = output_counter_report(set, counter, offset)
 729
 730
 731             c("\nquery->data_size = counter->offset + gen_perf_query_counter_get_size(counter);\n")
 732
 733             c_outdent(3)
 734             c("}");
 735
 736             c("\n_mesa_hash_table_insert(perf->oa_metrics_table, query->guid, query);")
 737
 738             c_outdent(3)
 739             c("}\n")
 740
 741         h("void gen_oa_register_queries_" + gen.chipset + "(struct gen_perf_config *perf);\n")
 742
 743         c("\nvoid")
 744         c("gen_oa_register_queries_" + gen.chipset + "(struct gen_perf_config *perf)")
 745         c("{")
 746         c_indent(3)
 747
 748         for set in gen.sets:
 749             c("{0}_register_{1}_counter_query(perf);".format(gen.chipset, set.underscore_name))
 750
 751         c_outdent(3)
 752         c("}")
 753
 754
 755 if __name__ == '__main__':
 756     main()