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Real-time task simulator supporting DVS-HM, DVS-DRAM, HM

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oslab-ewha/simrts

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simrts (SIMulator for Real-time Task Scheduling)

  • This simulator aims to provide a reliable and precise tool to validate various realtime task scheduling policies.
  • Currently supported policies are:
    • with DVS(Dynamic Voltage Scaling)
    • with HM(Hybrid Memory)
    • with DVS and HM
    • with greedy DVS and HM
    • Fixed scheduling via pre-generating tool such as gastask

Build

  • GNU tools(gcc, make) are required
  • $ make
  • simrts will be generated if a build succeeds.

Configuration File

  • Before running simrts, a configuration file is required.
  • Below is a configuration sample:
# wcet_sacle power_active power_idle
*cpufreq
1    10    8
0.8   1.7  1.3

# type max_capacity wcet_scale power_active power_idle
*mem
dram  1000 1   0.1   0.1
nvram 1000 0.7 0.01  0.01

# wcet period memreq mem_active_ratio
*task
10 30   200 0.1
10 20   20  0.05
 1 20   20  0.1

Running

Usage

Usage: simrts <options> <config path>
 <options>
      -h: this message
      -v: verbose mode
      -t <max simulation time>: (default: 1000)
      -p <policy>: dvshm, dvsdram, hm, dram, fixed

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Real-time task simulator supporting DVS-HM, DVS-DRAM, HM

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