54ca545dce
Make all the DPDK Python apps work with Python 2 or 3 to allow them to work with whatever is the system default. Signed-off-by: John McNamara <john.mcnamara@intel.com>
429 lines
14 KiB
Python
429 lines
14 KiB
Python
# BSD LICENSE
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#
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# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# The main logic behind running autotests in parallel
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import StringIO
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import csv
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import multiprocessing
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import pexpect
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import re
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import subprocess
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import sys
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import time
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# wait for prompt
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def wait_prompt(child):
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try:
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child.sendline()
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result = child.expect(["RTE>>", pexpect.TIMEOUT, pexpect.EOF],
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timeout=120)
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except:
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return False
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if result == 0:
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return True
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else:
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return False
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# run a test group
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# each result tuple in results list consists of:
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# result value (0 or -1)
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# result string
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# test name
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# total test run time (double)
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# raw test log
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# test report (if not available, should be None)
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#
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# this function needs to be outside AutotestRunner class
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# because otherwise Pool won't work (or rather it will require
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# quite a bit of effort to make it work).
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def run_test_group(cmdline, test_group):
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results = []
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child = None
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start_time = time.time()
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startuplog = None
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# run test app
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try:
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# prepare logging of init
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startuplog = StringIO.StringIO()
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print >>startuplog, "\n%s %s\n" % ("=" * 20, test_group["Prefix"])
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print >>startuplog, "\ncmdline=%s" % cmdline
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child = pexpect.spawn(cmdline, logfile=startuplog)
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# wait for target to boot
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if not wait_prompt(child):
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child.close()
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results.append((-1,
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"Fail [No prompt]",
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"Start %s" % test_group["Prefix"],
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time.time() - start_time,
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startuplog.getvalue(),
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None))
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# mark all tests as failed
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for test in test_group["Tests"]:
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results.append((-1, "Fail [No prompt]", test["Name"],
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time.time() - start_time, "", None))
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# exit test
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return results
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except:
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results.append((-1,
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"Fail [Can't run]",
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"Start %s" % test_group["Prefix"],
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time.time() - start_time,
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startuplog.getvalue(),
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None))
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# mark all tests as failed
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for t in test_group["Tests"]:
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results.append((-1, "Fail [Can't run]", t["Name"],
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time.time() - start_time, "", None))
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# exit test
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return results
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# startup was successful
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results.append((0, "Success", "Start %s" % test_group["Prefix"],
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time.time() - start_time, startuplog.getvalue(), None))
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# parse the binary for available test commands
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binary = cmdline.split()[0]
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stripped = 'not stripped' not in subprocess.check_output(['file', binary])
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if not stripped:
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symbols = subprocess.check_output(['nm', binary]).decode('utf-8')
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avail_cmds = re.findall('test_register_(\w+)', symbols)
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# run all tests in test group
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for test in test_group["Tests"]:
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# create log buffer for each test
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# in multiprocessing environment, the logging would be
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# interleaved and will create a mess, hence the buffering
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logfile = StringIO.StringIO()
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child.logfile = logfile
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result = ()
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# make a note when the test started
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start_time = time.time()
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try:
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# print test name to log buffer
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print >>logfile, "\n%s %s\n" % ("-" * 20, test["Name"])
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# run test function associated with the test
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if stripped or test["Command"] in avail_cmds:
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result = test["Func"](child, test["Command"])
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else:
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result = (0, "Skipped [Not Available]")
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# make a note when the test was finished
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end_time = time.time()
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# append test data to the result tuple
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result += (test["Name"], end_time - start_time,
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logfile.getvalue())
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# call report function, if any defined, and supply it with
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# target and complete log for test run
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if test["Report"]:
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report = test["Report"](self.target, log)
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# append report to results tuple
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result += (report,)
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else:
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# report is None
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result += (None,)
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except:
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# make a note when the test crashed
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end_time = time.time()
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# mark test as failed
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result = (-1, "Fail [Crash]", test["Name"],
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end_time - start_time, logfile.getvalue(), None)
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finally:
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# append the results to the results list
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results.append(result)
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# regardless of whether test has crashed, try quitting it
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try:
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child.sendline("quit")
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child.close()
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# if the test crashed, just do nothing instead
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except:
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# nop
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pass
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# return test results
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return results
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# class representing an instance of autotests run
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class AutotestRunner:
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cmdline = ""
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parallel_test_groups = []
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non_parallel_test_groups = []
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logfile = None
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csvwriter = None
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target = ""
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start = None
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n_tests = 0
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fails = 0
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log_buffers = []
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blacklist = []
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whitelist = []
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def __init__(self, cmdline, target, blacklist, whitelist):
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self.cmdline = cmdline
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self.target = target
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self.blacklist = blacklist
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self.whitelist = whitelist
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# log file filename
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logfile = "%s.log" % target
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csvfile = "%s.csv" % target
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self.logfile = open(logfile, "w")
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csvfile = open(csvfile, "w")
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self.csvwriter = csv.writer(csvfile)
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# prepare results table
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self.csvwriter.writerow(["test_name", "test_result", "result_str"])
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# set up cmdline string
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def __get_cmdline(self, test):
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cmdline = self.cmdline
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# append memory limitations for each test
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# otherwise tests won't run in parallel
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if "i686" not in self.target:
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cmdline += " --socket-mem=%s" % test["Memory"]
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else:
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# affinitize startup so that tests don't fail on i686
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cmdline = "taskset 1 " + cmdline
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cmdline += " -m " + str(sum(map(int, test["Memory"].split(","))))
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# set group prefix for autotest group
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# otherwise they won't run in parallel
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cmdline += " --file-prefix=%s" % test["Prefix"]
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return cmdline
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def add_parallel_test_group(self, test_group):
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self.parallel_test_groups.append(test_group)
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def add_non_parallel_test_group(self, test_group):
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self.non_parallel_test_groups.append(test_group)
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def __process_results(self, results):
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# this iterates over individual test results
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for i, result in enumerate(results):
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# increase total number of tests that were run
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# do not include "start" test
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if i > 0:
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self.n_tests += 1
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# unpack result tuple
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test_result, result_str, test_name, \
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test_time, log, report = result
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# get total run time
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cur_time = time.time()
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total_time = int(cur_time - self.start)
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# print results, test run time and total time since start
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result = ("%s:" % test_name).ljust(30)
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result += result_str.ljust(29)
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result += "[%02dm %02ds]" % (test_time / 60, test_time % 60)
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# don't print out total time every line, it's the same anyway
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if i == len(results) - 1:
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print(result,
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"[%02dm %02ds]" % (total_time / 60, total_time % 60))
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else:
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print(result)
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# if test failed and it wasn't a "start" test
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if test_result < 0 and not i == 0:
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self.fails += 1
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# collect logs
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self.log_buffers.append(log)
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# create report if it exists
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if report:
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try:
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f = open("%s_%s_report.rst" %
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(self.target, test_name), "w")
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except IOError:
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print("Report for %s could not be created!" % test_name)
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else:
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with f:
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f.write(report)
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# write test result to CSV file
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if i != 0:
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self.csvwriter.writerow([test_name, test_result, result_str])
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# this function iterates over test groups and removes each
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# test that is not in whitelist/blacklist
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def __filter_groups(self, test_groups):
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groups_to_remove = []
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# filter out tests from parallel test groups
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for i, test_group in enumerate(test_groups):
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# iterate over a copy so that we could safely delete individual
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# tests
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for test in test_group["Tests"][:]:
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test_id = test["Command"]
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# dump tests are specified in full e.g. "Dump_mempool"
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if "_autotest" in test_id:
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test_id = test_id[:-len("_autotest")]
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# filter out blacklisted/whitelisted tests
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if self.blacklist and test_id in self.blacklist:
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test_group["Tests"].remove(test)
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continue
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if self.whitelist and test_id not in self.whitelist:
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test_group["Tests"].remove(test)
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continue
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# modify or remove original group
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if len(test_group["Tests"]) > 0:
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test_groups[i] = test_group
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else:
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# remember which groups should be deleted
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# put the numbers backwards so that we start
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# deleting from the end, not from the beginning
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groups_to_remove.insert(0, i)
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# remove test groups that need to be removed
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for i in groups_to_remove:
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del test_groups[i]
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return test_groups
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# iterate over test groups and run tests associated with them
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def run_all_tests(self):
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# filter groups
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self.parallel_test_groups = \
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self.__filter_groups(self.parallel_test_groups)
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self.non_parallel_test_groups = \
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self.__filter_groups(self.non_parallel_test_groups)
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# create a pool of worker threads
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pool = multiprocessing.Pool(processes=1)
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results = []
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# whatever happens, try to save as much logs as possible
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try:
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# create table header
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print("")
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print("Test name".ljust(30), "Test result".ljust(29),
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"Test".center(9), "Total".center(9))
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print("=" * 80)
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# make a note of tests start time
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self.start = time.time()
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# assign worker threads to run test groups
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for test_group in self.parallel_test_groups:
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result = pool.apply_async(run_test_group,
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[self.__get_cmdline(test_group),
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test_group])
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results.append(result)
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# iterate while we have group execution results to get
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while len(results) > 0:
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# iterate over a copy to be able to safely delete results
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# this iterates over a list of group results
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for group_result in results[:]:
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# if the thread hasn't finished yet, continue
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if not group_result.ready():
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continue
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res = group_result.get()
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self.__process_results(res)
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# remove result from results list once we're done with it
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results.remove(group_result)
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# run non_parallel tests. they are run one by one, synchronously
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for test_group in self.non_parallel_test_groups:
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group_result = run_test_group(
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self.__get_cmdline(test_group), test_group)
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self.__process_results(group_result)
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# get total run time
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cur_time = time.time()
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total_time = int(cur_time - self.start)
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# print out summary
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print("=" * 80)
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print("Total run time: %02dm %02ds" % (total_time / 60,
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total_time % 60))
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if self.fails != 0:
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print("Number of failed tests: %s" % str(self.fails))
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# write summary to logfile
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self.logfile.write("Summary\n")
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self.logfile.write("Target: ".ljust(15) + "%s\n" % self.target)
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self.logfile.write("Tests: ".ljust(15) + "%i\n" % self.n_tests)
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self.logfile.write("Failed tests: ".ljust(
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15) + "%i\n" % self.fails)
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except:
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print("Exception occurred")
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print(sys.exc_info())
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self.fails = 1
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# drop logs from all executions to a logfile
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for buf in self.log_buffers:
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self.logfile.write(buf.replace("\r", ""))
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return self.fails
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