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authorMarkus Lehtonen <markus.lehtonen@linux.intel.com>2016-06-23 15:48:11 (GMT)
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-07-01 15:22:47 (GMT)
commitc3ee14ef38f73c3a782b0fc8333ce437d165e4ff (patch)
tree86c9232aafb2aebf87696bdf69b1f19f2711d54a /scripts/oe-build-perf-test
parenteb36f0000205230e78ab326d8ae6a504939af9c8 (diff)
downloadpoky-c3ee14ef38f73c3a782b0fc8333ce437d165e4ff.tar.gz
oe-build-perf-test: enable locking
Makes it possible to guard that multiple tests are not run in parallel. (From OE-Core rev: 181e92e7a1bccf678b3eb1bf547608a142784f97) Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts/oe-build-perf-test')
-rwxr-xr-xscripts/oe-build-perf-test23
1 files changed, 23 insertions, 0 deletions
diff --git a/scripts/oe-build-perf-test b/scripts/oe-build-perf-test
index 9dd073c..64873c9 100755
--- a/scripts/oe-build-perf-test
+++ b/scripts/oe-build-perf-test
@@ -15,6 +15,8 @@
15# 15#
16"""Build performance test script""" 16"""Build performance test script"""
17import argparse 17import argparse
18import errno
19import fcntl
18import logging 20import logging
19import os 21import os
20import sys 22import sys
@@ -33,6 +35,19 @@ logging.basicConfig(level=logging.INFO, format=LOG_FORMAT)
33log = logging.getLogger() 35log = logging.getLogger()
34 36
35 37
38def acquire_lock(lock_f):
39 """Acquire flock on file"""
40 log.debug("Acquiring lock %s", os.path.abspath(lock_f.name))
41 try:
42 fcntl.flock(lock_f, fcntl.LOCK_EX | fcntl.LOCK_NB)
43 except IOError as err:
44 if err.errno == errno.EAGAIN:
45 return False
46 raise
47 log.debug("Lock acquired")
48 return True
49
50
36def pre_run_sanity_check(): 51def pre_run_sanity_check():
37 """Sanity check of build environment""" 52 """Sanity check of build environment"""
38 build_dir = os.environ.get("BUILDDIR") 53 build_dir = os.environ.get("BUILDDIR")
@@ -72,6 +87,9 @@ def parse_args(argv):
72 help='Enable debug level logging') 87 help='Enable debug level logging')
73 parser.add_argument('--globalres-file', 88 parser.add_argument('--globalres-file',
74 help="Append results to 'globalres' csv file") 89 help="Append results to 'globalres' csv file")
90 parser.add_argument('--lock-file', default='./oe-build-perf.lock',
91 metavar='FILENAME',
92 help="Lock file to use")
75 93
76 return parser.parse_args(argv) 94 return parser.parse_args(argv)
77 95
@@ -83,6 +101,11 @@ def main(argv=None):
83 if args.debug: 101 if args.debug:
84 log.setLevel(logging.DEBUG) 102 log.setLevel(logging.DEBUG)
85 103
104 lock_f = open(args.lock_file, 'w')
105 if not acquire_lock(lock_f):
106 log.error("Another instance of this script is running, exiting...")
107 return 1
108
86 if not pre_run_sanity_check(): 109 if not pre_run_sanity_check():
87 return 1 110 return 1
88 111