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-rwxr-xr-xscripts/kvm/kvm_stat14
1 files changed, 11 insertions, 3 deletions
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index 611f82ad2a..2a1842e33e 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -434,11 +434,19 @@ class TracepointProvider(object):
# The constant is needed as a buffer for python libs, std
# streams and other files that the script opens.
- rlimit = len(cpus) * len(self._fields) + 50
+ newlim = len(cpus) * len(self._fields) + 50
try:
- resource.setrlimit(resource.RLIMIT_NOFILE, (rlimit, rlimit))
+ softlim_, hardlim = resource.getrlimit(resource.RLIMIT_NOFILE)
+
+ if hardlim < newlim:
+ # Now we need CAP_SYS_RESOURCE, to increase the hard limit.
+ resource.setrlimit(resource.RLIMIT_NOFILE, (newlim, newlim))
+ else:
+ # Raising the soft limit is sufficient.
+ resource.setrlimit(resource.RLIMIT_NOFILE, (newlim, hardlim))
+
except ValueError:
- sys.exit("NOFILE rlimit could not be raised to {0}".format(rlimit))
+ sys.exit("NOFILE rlimit could not be raised to {0}".format(newlim))
for cpu in cpus:
group = Group()