collector: Support for collectd as one of the collectors.

The changes include:
1. Configuration in 05_collector.conf. User can specify the
metrics that are of their interest and also fine tune the same.
2. collectd_bucky.py: This is derived from python_bucky library.
Formal approval for reuse is obtained.
3. collectd.py: This is the main file that receives the samples,
stores the required ones, plots the values and saves the values in
a data-file in results folder.
4. Fixed some pylint errors
5. Added required libraries to requirements.txt. hashlib is supported by
default. However, matplotlib and numpy required
6. added __init__.py to overcome import errors.
7. Crypto needs pycrypto module
8. Builtin filter function usage return bad-builtin pylint warning.
Rewrite to remove filter function.
9. Added support for reporting the ovs processes statistics.
10. Import order corrected according to pylint
11. Fixed copyright issues, removed python-3 checking, enhance to
include VPP and qemu processes.
12. Removed pylint disables.
13. Added documentaion to describe sample information
14. Added @staticmethod to remove disable-no-self-use.
15. Fixed year in Copyright.
16. Updated print_results function to print the process values.
17. Removed example values form INTELRDT_XKEYS in conf file
18. Removed use of len(SEQUENCE) in loop and renamed data to pdata to
avoid name clashes
19. Fixed issue with requirements.txt
Note: A separate documentation covering all external tools will be
provided.

JIRA: VSPERF-505

Change-Id: Ieedcbe7b92e8933263d34df12b1e24be8447b524
Signed-off-by: Sridhar K. N. Rao <sridhar.rao@spirent.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/tools/collectors/collectd/__init__.py b/tools/collectors/collectd/__init__.py
new file mode 100755
index 00000000..25e2c3c2
--- /dev/null
+++ b/tools/collectors/collectd/__init__.py
@@ -0,0 +1,17 @@
+# Copyright 2017 Spirent Communications.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Wrapper for Collectd as a collector
+"""