Please open a Glitchless category and why haven't you opened it yet?

Thank you all for the great responses, As for my CPU, it is an AMD Phenom II X4 955 (3.2 GHz). I admit, it's not the best CPU in the market but it runs my games pretty well and since my school takes 14 hours of my day ( 10hr school day + 4 hrs commute ) I barely have time to play anyway, so I've decided to not to buy a better CPU. When it comes to the emulator, the rules of the game I'm speedrunning don't say anything about emulators, so I guess it's allowed?? (Disney Princess: Enchanted Journey (And yes, I want that to be my first speedrun) in case you want to check it)

I'm a newbie speedrunner and I wanted my first recorded speedrun to be an old PS2 game that I played as a child, but I don't have a PS2 anymore. PCSX2 is an awesome program that plays my old games in a even better way than my old PS2 and it makes it even easier to record since it is playing it on the PC. However, as soon as I begin recording in OBS - BAM! My FPS drops from 60 to 30-36, dropping the speed of the game in 50% making it impossible to speedrun. I've already changed a bunch of configurations in the program and still, after 12 tries, not a single change happens. Is there any way to fix this? EDIT: My CPU usage when OBS is not recording is 20-30%, when OBS is recording it jumps to 97-100%