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authorChristian Poessinger <christian@poessinger.com>2020-11-21 00:32:21 +0100
committerChristian Poessinger <christian@poessinger.com>2020-11-21 00:35:55 +0100
commit5f5b2808c0a647cd20fb4c94bdb3dc36d634e3f2 (patch)
treee4241d32cf8f5ca00cf730b53343183b56c3d486 /src/migration-scripts
parent8bc6775a692e07b085a1a8e51edbf25f0c1f735c (diff)
downloadvyos-1x-5f5b2808c0a647cd20fb4c94bdb3dc36d634e3f2.tar.gz
vyos-1x-5f5b2808c0a647cd20fb4c94bdb3dc36d634e3f2.zip
ethernet: T3048: drop static smp-affinity for dynamic performance tuning
After migrating the ethernet interfaces from the good old Perl days the smp-affinity node yet has no effect anymore as the code is still missing (my bad, sorry). Drop the smp-affinity node and rather use tuned instead with the network-throughput or network-latency profile. - network-throughput: Profile for throughput network tuning. It is based on the throughput-performance profile. It additionaly increases kernel network buffers. - network-latency: Profile for low latency network tuning. It is based on the latency-performance profile. It additionaly disables transparent hugepages, NUMA balancing and tunes several other network related sysctl parameters. I'd set network-throughput as the default on a new set system option performance <throughput | latency> CLI node which is present in the default configuration. https://access.redhat.com/sites/default/files/attachments/201501-perf-brief-low-latency-tuning-rhel7-v2.1.pdf
Diffstat (limited to 'src/migration-scripts')
-rwxr-xr-xsrc/migration-scripts/interfaces/14-to-1554
1 files changed, 54 insertions, 0 deletions
diff --git a/src/migration-scripts/interfaces/14-to-15 b/src/migration-scripts/interfaces/14-to-15
new file mode 100755
index 000000000..b170f7e4d
--- /dev/null
+++ b/src/migration-scripts/interfaces/14-to-15
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# T3048: remove smp-affinity node from ethernet and use tuned instead
+
+import os
+
+from sys import exit, argv
+from vyos.configtree import ConfigTree
+
+if __name__ == '__main__':
+ if (len(argv) < 1):
+ print("Must specify file name!")
+ exit(1)
+
+ file_name = argv[1]
+ with open(file_name, 'r') as f:
+ config_file = f.read()
+
+ config = ConfigTree(config_file)
+ base = ['interfaces', 'ethernet']
+
+ migrate = False
+ for interface in config.list_nodes(base):
+ smp_base = base + [interface, 'smp-affinity']
+ # if any one interface had smp-affinity configured manually, we will
+ # configure "system option performance"
+ if config.exists(smp_base):
+ if config.return_value(smp_base) != 'auto':
+ migrate = True
+ config.delete(smp_base)
+
+ if migrate:
+ config.set(['system', 'options', 'performance'], value='throughput')
+
+ try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+ except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ exit(1)