These workloads have been recorded from a 128GB Samsung 850 Pro SSD. The format is as follows:

timestamp,type,offset,size,response_time

type is Read,Write,Sync,Trim
timestamp and response time are in seconds
offset and size are in bytes

These traces have been collected by Mojtaba Tarihi.
If you used this data, please cite this paper: 
Quick Generation of SSD Performance Models with Quantitative Workload Features 
by Mojtaba Tarihi, Soheil Azadvar, Arash Tavakkol, Hossein Asadi, and Hamid Sarbazi-Azad