Esempio n. 1
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def test_stash_envlog0001(mock_platform):
    path = os.path.join(TEST_DIR, "example.krun")
    config = Config(path)

    env = "A=1\nB=2\nC=3\n"
    with NamedTemporaryFile(prefix="kruntest-", delete=False) as fh:
        fh.write(env)
        filename = fh.name

    stash_envlog(filename, config, mock_platform, "bench:vm:variant", 1337)
    stashed_logdir = os.path.join(TEST_DIR, "example_envlogs")
    stashed_logfile = os.path.join(stashed_logdir,
                                   "bench__vm__variant__1337.env")
    with open(stashed_logfile) as fh:
        got = fh.read()

    os.unlink(stashed_logfile)
    os.rmdir(stashed_logdir)
    assert got == env
Esempio n. 2
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def test_stash_envlog0001(mock_platform):
    path = os.path.join(TEST_DIR, "example.krun")
    config = Config(path)

    env = "A=1\nB=2\nC=3\n"
    with NamedTemporaryFile(prefix="kruntest-", delete=False) as fh:
        fh.write(env)
        filename = fh.name

    stash_envlog(filename, config, mock_platform, "bench:vm:variant", 1337)
    stashed_logdir = os.path.join(TEST_DIR, "example_envlogs")
    stashed_logfile = os.path.join(stashed_logdir,
                                   "bench__vm__variant__1337.env")
    with open(stashed_logfile) as fh:
        got = fh.read()

    os.unlink(stashed_logfile)
    os.rmdir(stashed_logdir)
    assert got == env
Esempio n. 3
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    def run(self, mailer, dry_run=False):
        """Runs this job (execution)"""

        flag = None

        entry_point = self.sched.config.VARIANTS[self.variant]
        vm_def = self.vm_info["vm_def"]
        vm_def.dry_run = dry_run

        # Set heap limit
        heap_limit_kb = self.sched.config.HEAP_LIMIT
        stack_limit_kb = self.sched.config.STACK_LIMIT
        in_proc_iters = self.vm_info["n_iterations"]

        if not dry_run:
            self.sched.platform.collect_starting_throttle_counts()

        stdout, stderr, rc, envlog_filename, timed_out = \
            vm_def.run_exec(entry_point, in_proc_iters, self.parameter,
                            heap_limit_kb, stack_limit_kb, self.key,
                            self.key_pexec_idx)

        if timed_out:
            measurements = self.empty_measurements
            instr_data = {}
            flag = "T"
        elif not dry_run:
            try:
                self.sched.platform.check_throttle_counts(self.sched.manifest)
                measurements = util.check_and_parse_execution_results(
                    stdout, stderr, rc, self.sched.config, self.key, instrument=vm_def.instrument)
                flag = "C"
            except util.RerunExecution as e:
                subject = ("Benchmark needs to be re-run: %s (exec_idx=%s)" %
                           (self.key, self.sched.manifest.next_exec_idx))
                util.log_and_mail(mailer, warn, subject,
                                  e.message, manifest=self.sched.manifest,
                                  bypass_limiter=True)
                measurements = self.empty_measurements
                flag = "O"  # i.e. still outstanding
            except util.ExecutionFailed as e:
                util.log_and_mail(mailer, error, "Benchmark failure: %s" %
                                  self.key, e.message,
                                  manifest=self.sched.manifest)
                measurements = self.empty_measurements
                flag = "E"

            # Collect instrumentation data
            if vm_def.instrument and flag == "C":
                instr_data = vm_def.get_instr_data()
                for k, v in instr_data.iteritems():
                    assert len(instr_data[k]) == in_proc_iters
            else:
                # The benchmark either failed, needs to be re-run, or had
                # instrumentation turned off.
                instr_data = {}
        else:
            measurements = self.empty_measurements
            instr_data = {}
            flag = "C"

        # We print the status *after* benchmarking, so that I/O cannot be
        # committed during benchmarking. In production, we will be rebooting
        # before the next execution, so we are grand.
        info("Finished '%s(%d)' (%s variant) under '%s'" %
             (self.benchmark, self.parameter, self.variant, self.vm_name))

        # Move the environment log out of /tmp.
        #
        # We don't do this for re-runs (O) as the log for the re-run pexec is
        # the one we want.
        #
        # We don't do this for timeouts (T) because the wrapper script is
        # killed upon timeout, and thus doesn't get a chance to log the
        # environment.
        if not dry_run and flag not in ("O", "T"):
            key_exec_num = self.sched.manifest.completed_exec_counts[self.key]
            util.stash_envlog(envlog_filename, self.sched.config,
                              self.sched.platform, self.key, key_exec_num)

        assert flag is not None
        return measurements, instr_data, flag