Upload the contribution of vstf as bottleneck network framework.

[bottlenecks.git] / vstf / vstf / agent / perf / utils.py

diff --git a/vstf/vstf/agent/perf/utils.py b/vstf/vstf/agent/perf/utils.py
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+++ b/vstf/vstf/agent/perf/utils.py
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+"""
+Created on 2015-8-6
+
+@author: y00228926
+"""
+import logging
+import subprocess
+from vstf.common.utils import check_call, check_output
+
+LOG = logging.getLogger(__name__)
+
+
+def get_pid_by_name(process_name):
+    out = check_output(['ps', '-A'])
+    pids = []
+    for line in out.splitlines():
+        values = line.split()
+        pid, name = values[0], values[3]
+        if process_name == name:
+            pids.append(int(pid))
+    return pids
+
+
+def get_cpu_num():
+    cpu_num = check_output('cat /proc/cpuinfo  | grep processor | wc -l', shell=True).strip()
+    cpu_num = int(cpu_num)
+    return cpu_num
+
+
+def get_default_threads():
+    cpu_num = get_cpu_num()
+    return 2 if cpu_num > 3 * 3 else 1
+
+
+def modprobe_pktgen():
+    check_call('modprobe pktgen', shell=True)
+    return True
+
+
+def iface_up(device):
+    check_call("ifconfig %s up" % device, shell=True)
+    return True