Hello, with the last update Steam began to slow my laptop while running torchlight 2. Sorry, I'm rather new to Linux, so I can provide a couple of screenshots and some system info:

-Computer-
Processor : 2x Intel(R) Pentium(R) CPU B960 @ 2.20GHz
Memory : 3993MB (1542MB used)
Operating System : Linux Mint 17.2 Rafaela
User Name : sergei (Sergei Ivantsov)
Date/Time : Fri 18 Mar 2016 10:46:30 AM KRAT
-Display-
Resolution : 1366x768 pixels
OpenGL Renderer : GeForce GT 520M/PCIe/SSE2
X11 Vendor : The X.Org Foundation
-Multimedia-
Audio Adapter : HDA-Intel - HDA Intel PCH

Operating System

-Version-
Kernel : Linux 3.16.0-38-generic (x86_64)
Compiled : #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015
C Library : Unknown
Default C Compiler : GNU C Compiler version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
Distribution : Linux Mint 17.2 Rafaela
-Current Session-
Computer Name : sergei-SWH
User Name : sergei (Sergei Ivantsov)
Home Directory : /home/sergei
Desktop Environment : MATE (mate)
-Misc-
Uptime : 1 hour, 27 minutes
Load Average : 0,00, 0,00, 0,00