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Perform 15 seconds, 20 seconds, then 30 seconds of each exercise in the following sequence, resting 60 seconds between rounds:
Goblet squats
Push-ups on a single kettlebell
2-arm swings

For the first round, do 15 seconds of goblet squats, then 15 seconds of push-ups, then 15 seconds of one-arm swings, then rest 60 seconds. Use this methodology for the 20 second and 30 second rounds.

From: http://breakingmuscle.com/kettlebells/kettlebell-circuits-for-mma-bjj-and-martial-arts