Re: [PATCH] Make client behavior configurable: drop_caches

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Will this code actually work on a standalone client job? I'm not sure
we've ever used global_config stuff outside of the server (despite the
fact that the code lives in the common_lib).

-- John

On Thu, Nov 5, 2009 at 12:23 PM, Lucas Meneghel Rodrigues
<lmr@xxxxxxxxxx> wrote:
> Right now autotest will drop caches between:
>  * Test executions
>  * Same test iterations
>
> This change turns those into configurable options on
> global_config.ini. Default configuration:
>
> [CLIENT]
> drop_caches: True
> drop_caches_between_iterations: True
>
> Signed-off-by: Lucas Meneghel Rodrigues <lmr@xxxxxxxxxx>
> ---
>  client/bin/autotest |    7 ++++++-
>  client/bin/job.py   |   11 ++++++++---
>  global_config.ini   |    7 ++++++-
>  3 files changed, 20 insertions(+), 5 deletions(-)
>
> diff --git a/client/bin/autotest b/client/bin/autotest
> index fe8f2c7..2d47843 100755
> --- a/client/bin/autotest
> +++ b/client/bin/autotest
> @@ -6,6 +6,7 @@ import os, sys, shutil
>  import common
>  from optparse import OptionParser
>  from autotest_lib.client.bin import job
> +from autotest_lib.client.common_lib import global_config
>
>
>  # Use the name of the binary to find the real installation directory
> @@ -58,5 +59,9 @@ options, args = parser.parse_args()
>  if len(args) != 1:
>     usage()
>
> +drop_caches = global_config.global_config.get_config_value('CLIENT',
> +                                                           'drop_caches',
> +                                                           type=bool)
> +
>  # JOB: run the specified job control file.
> -job.runjob(os.path.realpath(args[0]), options)
> +job.runjob(os.path.realpath(args[0]), drop_caches, options)
> diff --git a/client/bin/job.py b/client/bin/job.py
> index ebfb3a3..6099188 100755
> --- a/client/bin/job.py
> +++ b/client/bin/job.py
> @@ -15,6 +15,8 @@ from autotest_lib.client.bin import config, sysinfo, test, local_host
>  from autotest_lib.client.bin import partition as partition_lib
>  from autotest_lib.client.common_lib import error, barrier, log, logging_manager
>  from autotest_lib.client.common_lib import base_packages, packages
> +from autotest_lib.client.common_lib import global_config
> +
>
>  LAST_BOOT_TAG = object()
>  NO_DEFAULT = object()
> @@ -251,7 +253,10 @@ class base_job(object):
>         """
>         Perform the drop caches initialization.
>         """
> -        self.drop_caches_between_iterations = True
> +        self.drop_caches_between_iterations = (
> +                       global_config.global_config.get_config_value('CLIENT',
> +                                            'drop_caches_between_iterations',
> +                                            type=bool))
>         self.drop_caches = drop_caches
>         if self.drop_caches:
>             logging.debug("Dropping caches")
> @@ -1339,7 +1344,7 @@ class disk_usage_monitor:
>         return decorator
>
>
> -def runjob(control, options):
> +def runjob(control, drop_caches, options):
>     """
>     Run a job using the given control file.
>
> @@ -1367,7 +1372,7 @@ def runjob(control, options):
>         if options.cont and not os.path.exists(state):
>             raise error.JobComplete("all done")
>
> -        myjob = job(control, options)
> +        myjob = job(control=control, drop_caches=drop_caches, options=options)
>
>         # Load in the users control file, may do any one of:
>         #  1) execute in toto
> diff --git a/global_config.ini b/global_config.ini
> index cc20a96..d018374 100644
> --- a/global_config.ini
> +++ b/global_config.ini
> @@ -28,7 +28,6 @@ parse_failed_repair_default: 0
>  # Autotest potential install paths
>  client_autodir_paths: /usr/local/autotest,/home/autotest
>
> -
>  [SERVER]
>  hostname: autotest
>  # Turn on RPC Logging
> @@ -48,6 +47,12 @@ smtp_port:
>  smtp_user:
>  smtp_password:
>
> +[CLIENT]
> +# Drop test client caches between every test execution
> +drop_caches: True
> +# Drop test client caches between every test iteration execution
> +drop_caches_between_iterations: True
> +
>  [SCHEDULER]
>  die_on_orphans: False
>  enable_scheduler: True
> --
> 1.6.2.5
>
>
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