diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/tests/attr.py | 77 |
1 files changed, 69 insertions, 8 deletions
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py index cb39ac46bc73..e890c261ad26 100644 --- a/tools/perf/tests/attr.py +++ b/tools/perf/tests/attr.py @@ -6,9 +6,12 @@ import os import sys import glob import optparse +import platform import tempfile import logging +import re import shutil +import subprocess try: import configparser @@ -123,23 +126,33 @@ class Event(dict): if not data_equal(self[t], other[t]): log.warning("expected %s=%s, got %s" % (t, self[t], other[t])) +def parse_version(version): + if not version: + return None + return [int(v) for v in version.split(".")[0:2]] + # Test file description needs to have following sections: # [config] # - just single instance in file # - needs to specify: # 'command' - perf command name # 'args' - special command arguments -# 'ret' - expected command return value (0 by default) +# 'ret' - Skip test if Perf doesn't exit with this value (0 by default) +# 'test_ret'- If set to 'true', fail test instead of skipping for 'ret' argument # 'arch' - architecture specific test (optional) # comma separated list, ! at the beginning # negates it. -# +# 'auxv' - Truthy statement that is evaled in the scope of the auxv map. When false, +# the test is skipped. For example 'auxv["AT_HWCAP"] == 10'. (optional) +# 'kernel_since' - Inclusive kernel version from which the test will start running. Only the +# first two values are supported, for example "6.1" (optional) +# 'kernel_until' - Exclusive kernel version from which the test will stop running. (optional) # [eventX:base] # - one or multiple instances in file # - expected values assignments class Test(object): def __init__(self, path, options): - parser = configparser.SafeConfigParser() + parser = configparser.ConfigParser() parser.read(path) log.warning("running '%s'" % path) @@ -155,12 +168,17 @@ class Test(object): except: self.ret = 0 + self.test_ret = parser.getboolean('config', 'test_ret', fallback=False) + try: self.arch = parser.get('config', 'arch') log.warning("test limitation '%s'" % self.arch) except: self.arch = '' + self.auxv = parser.get('config', 'auxv', fallback=None) + self.kernel_since = parse_version(parser.get('config', 'kernel_since', fallback=None)) + self.kernel_until = parse_version(parser.get('config', 'kernel_until', fallback=None)) self.expect = {} self.result = {} log.debug(" loading expected events"); @@ -172,7 +190,38 @@ class Test(object): else: return True - def skip_test(self, myarch): + def skip_test_kernel_since(self): + if not self.kernel_since: + return False + return not self.kernel_since <= parse_version(platform.release()) + + def skip_test_kernel_until(self): + if not self.kernel_until: + return False + return not parse_version(platform.release()) < self.kernel_until + + def skip_test_auxv(self): + def new_auxv(a, pattern): + items = list(filter(None, pattern.split(a))) + # AT_HWCAP is hex but doesn't have a prefix, so special case it + if items[0] == "AT_HWCAP": + value = int(items[-1], 16) + else: + try: + value = int(items[-1], 0) + except: + value = items[-1] + return (items[0], value) + + if not self.auxv: + return False + auxv = subprocess.check_output("LD_SHOW_AUXV=1 sleep 0", shell=True) \ + .decode(sys.stdout.encoding) + pattern = re.compile(r"[: ]+") + auxv = dict([new_auxv(a, pattern) for a in auxv.splitlines()]) + return not eval(self.auxv) + + def skip_test_arch(self, myarch): # If architecture not set always run test if self.arch == '': # log.warning("test for arch %s is ok" % myarch) @@ -198,7 +247,7 @@ class Test(object): return True def load_events(self, path, events): - parser_event = configparser.SafeConfigParser() + parser_event = configparser.ConfigParser() parser_event.read(path) # The event record section header contains 'event' word, @@ -212,7 +261,7 @@ class Test(object): # Read parent event if there's any if (':' in section): base = section[section.index(':') + 1:] - parser_base = configparser.SafeConfigParser() + parser_base = configparser.ConfigParser() parser_base.read(self.test_dir + '/' + base) base_items = parser_base.items('event') @@ -222,9 +271,18 @@ class Test(object): def run_cmd(self, tempdir): junk1, junk2, junk3, junk4, myarch = (os.uname()) - if self.skip_test(myarch): + if self.skip_test_arch(myarch): raise Notest(self, myarch) + if self.skip_test_auxv(): + raise Notest(self, "auxv skip") + + if self.skip_test_kernel_since(): + raise Notest(self, "old kernel skip") + + if self.skip_test_kernel_until(): + raise Notest(self, "new kernel skip") + cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir, self.perf, self.command, tempdir, self.args) ret = os.WEXITSTATUS(os.system(cmd)) @@ -232,7 +290,10 @@ class Test(object): log.info(" '%s' ret '%s', expected '%s'" % (cmd, str(ret), str(self.ret))) if not data_equal(str(ret), str(self.ret)): - raise Unsup(self) + if self.test_ret: + raise Fail(self, "Perf exit code failure") + else: + raise Unsup(self) def compare(self, expect, result): match = {} |