Author: gnn
Date: Tue Sep 4 20:14:37 2012
New Revision: 240101
URL: http://svn.freebsd.org/changeset/base/240101
Log:
Add a reasonable error message telling the caller to specify a program
to be executed under hwpmc. If there is no program to run then
exit.
Modified:
head/tools/test/hwpmc/pmctest.py
Modified: head/tools/test/hwpmc/pmctest.py
==============================================================================
--- head/tools/test/hwpmc/pmctest.py Tue Sep 4 19:49:37 2012
(r240100)
+++ head/tools/test/hwpmc/pmctest.py Tue Sep 4 20:14:37 2012
(r240101)
@@ -67,6 +67,10 @@ def main():
(options, args) = parser.parse_args()
+ if (options.program == None):
+ print "specify program, such as ls, with -p/--program"
+ sys.exit()
+
p = subprocess.Popen(["pmccontrol", "-L"], stdout=PIPE)
counters = p.communicate()[0]
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