perprocess ram usage added
diff --git a/sensors/psram_sensors.py b/sensors/psram_sensors.py
new file mode 100644
index 0000000..74bc65e
--- /dev/null
+++ b/sensors/psram_sensors.py
@@ -0,0 +1,44 @@
+import os
+import time
+
+from ps_mem import getMemStats
+
+from discover import provides
+from utils import SensorInfo, get_pid_name, get_pid_list
+
+
+
+@provides("perprocess-ram")
+def psram_stat(disallowed_prefixes=None, allowed_prefixes=None):
+ results = {}
+ pid_list = get_pid_list(disallowed_prefixes, allowed_prefixes)
+ print pid_list
+ for pid in pid_list:
+ try:
+ dev_name = get_pid_name(pid)
+
+ private, shared, _ = getMemStats(pid)
+ total = private + shared
+ sys_total = get_ram_size()
+ usage = float(total) / float(sys_total)
+
+ sensor_name = "{0}.{1}".format(dev_name, pid)
+
+ results[sensor_name + ".private_mem"] = SensorInfo(private, False)
+ results[sensor_name + ".shared_mem"] = SensorInfo(shared, False)
+ results[sensor_name + ".used_mem"] = SensorInfo(total, False)
+ results[sensor_name + ".mem_usage_percent"] = SensorInfo(usage*100, False)
+ except IOError:
+ # permission denied or proc die
+ continue
+ return results
+
+
+def get_ram_size():
+ """ Return RAM size in Kb"""
+ with open("/proc/meminfo") as proc:
+ mem_total = proc.readline().split()
+ return mem_total[1]
+
+if __name__ == '__main__':
+ print psram_stat(allowed_prefixes=["skype"])