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1# Copyright © 2021 Collabora, Ltd.
2# Author: Antonio Caggiano <antonio.caggiano@collabora.com>
3
4# Permission is hereby granted, free of charge, to any person obtaining a copy
5# of this software and associated documentation files (the "Software"), to deal
6# in the Software without restriction, including without limitation the rights
7# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8# copies of the Software, and to permit persons to whom the Software is
9# furnished to do so, subject to the following conditions:
10
11# The above copyright notice and this permission notice shall be included in
12# all copies or substantial portions of the 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 THE
17# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20# THE SOFTWARE.
21
22import argparse
23import textwrap
24import os
25
26import xml.etree.ElementTree as et
27
28
29class SourceFile:
30   def __init__(self, filename):
31      self.file = open(filename, 'w')
32      self._indent = 0
33
34   def write(self, *args):
35      code = ' '.join(map(str,args))
36      for line in code.splitlines():
37         text = ''.rjust(self._indent) + line
38         self.file.write(text.rstrip() + "\n")
39
40   def indent(self, n):
41      self._indent += n
42
43   def outdent(self, n):
44      self._indent -= n
45
46
47class Counter:
48   # category Category owning the counter
49   # xml XML representation of itself
50   def __init__(self, category, xml):
51      self.category = category
52      self.xml = xml
53      self.name = self.xml.get("name")
54      self.desc = self.xml.get("description")
55      self.units = self.xml.get("units")
56      self.offset = int(self.xml.get("offset"))
57      self.underscore_name = self.xml.get("counter").lower()
58
59
60class Category:
61   # product Product owning the gategory
62   # xml XML representation of itself
63   def __init__(self, product, xml):
64      self.product = product
65      self.xml = xml
66      self.name = self.xml.get("name")
67      self.underscore_name = self.name.lower().replace(' ', '_')
68
69      xml_counters = self.xml.findall("event")
70      self.counters = []
71      for xml_counter in xml_counters:
72         self.counters.append(Counter(self, xml_counter))
73
74
75# Wraps an entire *.xml file.
76class Product:
77   def __init__(self, filename):
78      self.filename = filename
79      self.xml = et.parse(self.filename)
80      self.id = self.xml.getroot().get('id').lower()
81      self.categories = []
82
83      for xml_cat in self.xml.findall(".//category"):
84         self.categories.append(Category(self, xml_cat))
85
86
87def main():
88   parser = argparse.ArgumentParser()
89   parser.add_argument("--header", help="Header file to write", required=True)
90   parser.add_argument("--code", help="C file to write", required=True)
91   parser.add_argument("xml_files", nargs='+', help="List of xml metrics files to process")
92
93   args = parser.parse_args()
94
95   c = SourceFile(args.code)
96   h = SourceFile(args.header)
97
98   prods = []
99   for xml_file in args.xml_files:
100      prods.append(Product(xml_file))
101
102   tab_size = 3
103
104   copyright = textwrap.dedent("""\
105      /* Autogenerated file, DO NOT EDIT manually! generated by {}
106       *
107       * Copyright © 2021 Arm Limited
108       * Copyright © 2021 Collabora Ltd.
109       *
110       * Permission is hereby granted, free of charge, to any person obtaining a
111       * copy of this software and associated documentation files (the "Software"),
112       * to deal in the Software without restriction, including without limitation
113       * the rights to use, copy, modify, merge, publish, distribute, sublicense,
114       * and/or sell copies of the Software, and to permit persons to whom the
115       * Software is furnished to do so, subject to the following conditions:
116       *
117       * The above copyright notice and this permission notice (including the next
118       * paragraph) shall be included in all copies or substantial portions of the
119       * Software.
120       *
121       * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
122       * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
123       * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
124       * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
125       * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
126       * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
127       * DEALINGS IN THE SOFTWARE.
128       */
129
130      """).format(os.path.basename(__file__))
131
132   h.write(copyright)
133   h.write(textwrap.dedent("""\
134      #ifndef PAN_PERF_METRICS_H
135      #define PAN_PERF_METRICS_H
136
137      #include "perf/pan_perf.h"
138
139      """))
140
141   c.write(copyright)
142   c.write("#include \"" + os.path.basename(args.header) + "\"")
143   c.write(textwrap.dedent("""\
144
145      #include <util/macros.h>
146      """))
147
148   for prod in prods:
149      h.write("extern const struct panfrost_perf_config panfrost_perf_config_%s;\n" % prod.id)
150
151   for prod in prods:
152      c.write(textwrap.dedent("""
153      static void UNUSED
154      static_asserts_%s(void)
155      {
156      """ % prod.id))
157      c.indent(tab_size)
158
159      n_categories = len(prod.categories)
160      c.write("STATIC_ASSERT(%u <= PAN_PERF_MAX_CATEGORIES);" % n_categories)
161      n_counters = 0
162      for category in prod.categories:
163         category_counters_count = len(category.counters)
164         c.write("STATIC_ASSERT(%u <= PAN_PERF_MAX_COUNTERS);" % category_counters_count)
165         n_counters += category_counters_count
166
167      c.outdent(tab_size)
168      c.write("}\n")
169
170
171      current_struct_name = "panfrost_perf_config_%s" % prod.id
172      c.write("\nconst struct panfrost_perf_config %s = {" % current_struct_name)
173      c.indent(tab_size)
174
175      c.write(".n_categories = %u," % len(prod.categories))
176
177      c.write(".categories = {")
178      c.indent(tab_size)
179
180      counter_id = 0
181
182      for i in range(0, len(prod.categories)):
183         category = prod.categories[i]
184
185         c.write("{")
186         c.indent(tab_size)
187         c.write(".name = \"%s\"," % (category.name))
188         c.write(".n_counters = %u," % (len(category.counters)))
189         c.write(".counters = {")
190         c.indent(tab_size)
191
192         for j in range(0, len(category.counters)):
193            counter = category.counters[j]
194
195            assert counter_id < n_counters
196            c.write("{")
197            c.indent(tab_size)
198
199            c.write(".name = \"%s\"," % (counter.name))
200            c.write(".desc = \"%s\"," % (counter.desc.replace("\\", "\\\\")))
201            c.write(".symbol_name = \"%s\"," % (counter.underscore_name))
202            c.write(".units = PAN_PERF_COUNTER_UNITS_%s," % (counter.units.upper()))
203            c.write(".offset = %u," % (counter.offset))
204            c.write(".category = &%s.categories[%u]," % (current_struct_name, i))
205
206            c.outdent(tab_size)
207            c.write("}, // counter")
208
209            counter_id += 1
210
211         c.outdent(tab_size)
212         c.write("}, // counters")
213
214         c.outdent(tab_size)
215         c.write("}, // category")
216
217      c.outdent(tab_size)
218      c.write("}, // categories")
219
220      c.outdent(tab_size)
221      c.write("}; // %s\n" % current_struct_name)
222
223   h.write("\n#endif // PAN_PERF_METRICS_H")
224
225
226if __name__ == '__main__':
227   main()
228