python storperf/main.py

Command line options:

• target=[device or path] Optional The path to either an attached storage device (/dev/vdb, etc) or a directory path (/opt/storperf) that will be used to execute the performance test. In the case of a device, the entire device will be used. If not specified, the current directory will be used.
• workload=[SW, RW, RR, RW, RS] Optional If not specified, the default is to run all workloads. The workload types are:
  • RS: 100% Read, sequential data
  • WS: 100% Write, sequential data
  • RR: 100% Read, random access
  • WR: 100% Write, random access
  • MR: 70% Read / 30% write, random access
• nossd optional Do not perform SSD style preconditioning.
• nowarm optional Do not perform a warmup prior to measurements.
• verbose optional Emit periodic output describing the current read and write latency, and measured IOPS.