Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
new file mode 100644
index 0000000000..79d5e2955f
--- /dev/null
+++ b/tools/perf/util/setup.py
@@ -0,0 +1,114 @@
+from os import getenv, path
+from subprocess import Popen, PIPE
+from re import sub
+
+cc = getenv("CC")
+
+# Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."
+cc_tokens = cc.split()
+if len(cc_tokens) > 1:
+    cc = cc_tokens[0]
+    cc_options = " ".join([str(e) for e in cc_tokens[1:]]) + " "
+else:
+    cc_options = ""
+
+cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
+src_feature_tests  = getenv('srctree') + '/tools/build/feature'
+
+def clang_has_option(option):
+    cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
+    return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
+
+if cc_is_clang:
+    from sysconfig import get_config_vars
+    vars = get_config_vars()
+    for var in ('CFLAGS', 'OPT'):
+        vars[var] = sub("-specs=[^ ]+", "", vars[var])
+        if not clang_has_option("-mcet"):
+            vars[var] = sub("-mcet", "", vars[var])
+        if not clang_has_option("-fcf-protection"):
+            vars[var] = sub("-fcf-protection", "", vars[var])
+        if not clang_has_option("-fstack-clash-protection"):
+            vars[var] = sub("-fstack-clash-protection", "", vars[var])
+        if not clang_has_option("-fstack-protector-strong"):
+            vars[var] = sub("-fstack-protector-strong", "", vars[var])
+        if not clang_has_option("-fno-semantic-interposition"):
+            vars[var] = sub("-fno-semantic-interposition", "", vars[var])
+        if not clang_has_option("-ffat-lto-objects"):
+            vars[var] = sub("-ffat-lto-objects", "", vars[var])
+        if not clang_has_option("-ftree-loop-distribute-patterns"):
+            vars[var] = sub("-ftree-loop-distribute-patterns", "", vars[var])
+        if not clang_has_option("-gno-variable-location-views"):
+            vars[var] = sub("-gno-variable-location-views", "", vars[var])
+
+from setuptools import setup, Extension
+
+from setuptools.command.build_ext   import build_ext   as _build_ext
+from setuptools.command.install_lib import install_lib as _install_lib
+
+class build_ext(_build_ext):
+    def finalize_options(self):
+        _build_ext.finalize_options(self)
+        self.build_lib  = build_lib
+        self.build_temp = build_tmp
+
+class install_lib(_install_lib):
+    def finalize_options(self):
+        _install_lib.finalize_options(self)
+        self.build_dir = build_lib
+
+
+cflags = getenv('CFLAGS', '').split()
+# switch off several checks (need to be at the end of cflags list)
+cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls', '-DPYTHON_PERF' ]
+if cc_is_clang:
+    cflags += ["-Wno-unused-command-line-argument" ]
+else:
+    cflags += ['-Wno-cast-function-type' ]
+
+# The python headers have mixed code with declarations (decls after asserts, for instance)
+cflags += [ "-Wno-declaration-after-statement" ]
+
+src_perf  = getenv('srctree') + '/tools/perf'
+build_lib = getenv('PYTHON_EXTBUILD_LIB')
+build_tmp = getenv('PYTHON_EXTBUILD_TMP')
+libtraceevent = getenv('LIBTRACEEVENT')
+libapikfs = getenv('LIBAPI')
+libperf = getenv('LIBPERF')
+
+ext_sources = [f.strip() for f in open('util/python-ext-sources')
+				if len(f.strip()) > 0 and f[0] != '#']
+
+extra_libraries = []
+
+if '-DHAVE_LIBTRACEEVENT' in cflags:
+    extra_libraries += [ 'traceevent' ]
+else:
+    ext_sources.remove('util/trace-event.c')
+
+# use full paths with source files
+ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
+
+if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
+    extra_libraries += [ 'numa' ]
+if '-DHAVE_LIBCAP_SUPPORT' in cflags:
+    extra_libraries += [ 'cap' ]
+
+perf = Extension('perf',
+		  sources = ext_sources,
+		  include_dirs = ['util/include'],
+		  libraries = extra_libraries,
+		  extra_compile_args = cflags,
+		  extra_objects = [ x for x in [libtraceevent, libapikfs, libperf]
+                                    if x is not None],
+                 )
+
+setup(name='perf',
+      version='0.1',
+      description='Interface with the Linux profiling infrastructure',
+      author='Arnaldo Carvalho de Melo',
+      author_email='acme@redhat.com',
+      license='GPLv2',
+      url='http://perf.wiki.kernel.org',
+      ext_modules=[perf],
+      cmdclass={'build_ext': build_ext, 'install_lib': install_lib})