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Bug 1156885 - num_ctors: post to perfherder, not graphserver. r=bhearsum
MozReview-Commit-ID: JwCgwAR00uw
This commit is contained in:
Joel Maher
parent
e400f9e100
commit
c5bb843592
52
build/util/count_ctors.py
Normal file
52
build/util/count_ctors.py
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@ -0,0 +1,52 @@
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#!/usr/bin/python
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import subprocess
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import re
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import sys
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def count_ctors(filename):
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proc = subprocess.Popen(
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['readelf', '-W', '-S', filename], stdout=subprocess.PIPE)
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# Some versions of ld produce both .init_array and .ctors. So we have
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# to check for both.
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n_init_array_ctors = 0
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have_init_array = False
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n_ctors_ctors = 0
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have_ctors = False
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for line in proc.stdout:
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f = line.split()
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if len(f) != 11:
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continue
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# Don't try to int()-parse the header line for the section summaries.
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if not re.match("\\[\\d+\\]", f[0]):
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continue
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section_name, contents, size, align = f[1], f[2], int(f[5], 16), int(f[10])
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if section_name == ".ctors" and contents == "PROGBITS":
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have_ctors = True
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# Subtract 2 for the uintptr_t(-1) header and the null terminator.
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n_ctors_ctors = size / align - 2
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if section_name == ".init_array" and contents == "INIT_ARRAY":
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have_init_array = True
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n_init_array_ctors = size / align
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if have_init_array:
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# Even if we have .ctors, we shouldn't have any constructors in .ctors.
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# Complain if .ctors does not look how we expect it to.
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if have_ctors and n_ctors_ctors != 0:
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print >>sys.stderr, "Unexpected .ctors contents for", filename
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sys.exit(1)
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return n_init_array_ctors
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if have_ctors:
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return n_ctors_ctors
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# We didn't find anything; somebody switched initialization mechanisms on
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# us, or the binary is completely busted. Complain either way.
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print >>sys.stderr, "Couldn't find .init_array or .ctors in", filename
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sys.exit(1)
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if __name__ == '__main__':
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for f in sys.argv[1:]:
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output = {"framework": {"name": "build_metrics"}, "suites": [{"name": "compiler_metrics", "subtests": [{"name": "num_constructors", "value": count_ctors(f)}] } ]}
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print "PERFHERDER_DATA: %s" % output
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@ -1223,9 +1223,9 @@ or run without that action (ie: --no-{action})"
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def _count_ctors(self):
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"""count num of ctors and set testresults."""
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dirs = self.query_abs_dirs()
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abs_count_ctors_path = os.path.join(dirs['abs_tools_dir'],
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'buildfarm',
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'utils',
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abs_count_ctors_path = os.path.join(dirs['abs_src_dir'],
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'build',
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'util',
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'count_ctors.py')
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abs_libxul_path = os.path.join(dirs['abs_obj_dir'],
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'dist',
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@ -1233,16 +1233,7 @@ or run without that action (ie: --no-{action})"
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'libxul.so')
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cmd = ['python', abs_count_ctors_path, abs_libxul_path]
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output = self.get_output_from_command(cmd, cwd=dirs['abs_src_dir'])
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output = output.split("\t")
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num_ctors = int(output[0])
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testresults = [('num_ctors', 'num_ctors', num_ctors, str(num_ctors))]
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self.set_buildbot_property('num_ctors',
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num_ctors,
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write_to_file=True)
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self.set_buildbot_property('testresults',
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testresults,
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write_to_file=True)
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self.get_output_from_command(cmd, cwd=dirs['abs_src_dir'])
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def _generate_properties_file(self, path):
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# TODO it would be better to grab all the properties that were
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@ -1256,73 +1247,6 @@ or run without that action (ie: --no-{action})"
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graph_props = dict(properties=all_current_props)
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self.dump_config(path, graph_props)
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def _graph_server_post(self):
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"""graph server post results."""
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self._assert_cfg_valid_for_action(
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['base_name', 'graph_server', 'graph_selector'],
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'generate-build-stats'
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)
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c = self.config
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dirs = self.query_abs_dirs()
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# grab any props available from previous run
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self.generate_build_props(console_output=False,
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halt_on_failure=False)
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graph_server_post_path = os.path.join(dirs['abs_tools_dir'],
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'buildfarm',
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'utils',
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'graph_server_post.py')
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graph_server_path = os.path.join(dirs['abs_tools_dir'],
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'lib',
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'python')
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# graph server takes all our build properties we had initially
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# (buildbot_config) and what we updated to since
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# the script ran (buildbot_properties)
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graph_props_path = os.path.join(c['base_work_dir'], "graph_props.json")
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self._generate_properties_file(graph_props_path)
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gs_env = self.query_build_env()
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gs_env.update({'PYTHONPATH': graph_server_path})
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resultsname = c['base_name'] % {'branch': self.branch}
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cmd = ['python', graph_server_post_path]
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cmd.extend(['--server', c['graph_server']])
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cmd.extend(['--selector', c['graph_selector']])
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cmd.extend(['--branch', self._query_graph_server_branch_name()])
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cmd.extend(['--buildid', self.query_buildid()])
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cmd.extend(['--sourcestamp',
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self.query_buildbot_property('sourcestamp')])
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cmd.extend(['--resultsname', resultsname])
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cmd.extend(['--properties-file', graph_props_path])
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cmd.extend(['--timestamp', str(self.epoch_timestamp)])
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self.info("Obtaining graph server post results")
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result_code = self.retry(self.run_command,
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args=(cmd,),
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kwargs={'cwd': dirs['abs_src_dir'],
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'env': gs_env})
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if result_code != 0:
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self.add_summary('Automation Error: failed graph server post',
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level=ERROR)
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self.worst_buildbot_status = self.worst_level(
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TBPL_EXCEPTION, self.worst_buildbot_status,
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TBPL_WORST_LEVEL_TUPLE
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)
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else:
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self.info("graph server post ok")
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def _query_graph_server_branch_name(self):
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c = self.config
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if c.get('graph_server_branch_name'):
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return c['graph_server_branch_name']
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else:
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# capitalize every word in between '-'
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branch_list = self.branch.split('-')
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branch_list = [elem.capitalize() for elem in branch_list]
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return '-'.join(branch_list)
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def _query_props_set_by_mach(self, console_output=True, error_level=FATAL):
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mach_properties_path = os.path.join(
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self.query_abs_dirs()['abs_obj_dir'], 'dist', 'mach_build_properties.json'
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@ -1995,21 +1919,10 @@ or run without that action (ie: --no-{action})"
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"""
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c = self.config
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# grab any props available from this or previous unclobbered runs
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self.generate_build_props(console_output=False,
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halt_on_failure=False)
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if c.get('enable_count_ctors'):
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if c.get('enable_count_ctors'):
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self.info("counting ctors...")
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self._count_ctors()
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num_ctors = self.buildbot_properties.get('num_ctors', 'unknown')
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self.info("TinderboxPrint: num_ctors: %s" % (num_ctors,))
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if not self.query_is_nightly():
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self._graph_server_post()
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else:
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self.info("We are not posting to graph server as this is a "
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"nightly build.")
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else:
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self.info("Nothing to do for this action since ctors "
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"counts are disabled for this build.")
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