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#/usr/bin/python3
# Make sure to run this as root!!!!!
import os
import sys
import re
import csv
import time
import subprocess
# Single tasks:
# 0, binary_name, task_name, iterations, my_core, runID, save?, period, criticality, phase
# Paired tasks:
# 1, binary_name, task_name, iterations, my_core, runID, save?, period, criticality, phase, other_binary_name, other_task_name
binary_path = "./SD-VBS/dag_binaries/"
stderr_file = open("./deadline_misses", 'w+')
BINARY_NAME = 1
TASK_NAME = 2
NUM_ITERS = 3
CORE_NUM = 4
RUN_ID = 5
SAVE_RESULT = 6
PERIOD = 7
CRT_LEVEL = 8
PHASE= 9
OTHER_BINARY_NAME = 10
OTHER_TASK_NAME = 11
# OTHER_CORE_NUM = 12
# PAIR_ID = 12
all_pids=[]
def run(command):
print(command)
os.system(command)
def addpid(pid):
with open("./pids.txt", "a") as f:
f.write(str(pid) + "\n")
def ID2PID(lookupID):
res = None
# Find benchmark PID (avoid getting shell or numactl PID)
try:
res = subprocess.check_output("pgrep -af ' " + lookupID + " ' | grep -v numactl", shell=True)
except:
res = None
if res:
# Ignore the newline
return res.decode("utf-8").split(" ")[0].strip()
else:
return None
def main(pathName):
with open("./pids.txt", "w") as f:
f.write("")
tacle_pairs_path = "./all_pairs"
tacle_baseline_path = "./baseline"
dis_path = "./dis"
# List of lists
# Each list represents the parameters for a task as:
# [id, suite, binary name, criticality level (0-base), pet us (unused), period ms, wss (unused)]
all_tasks = []
input_cmd = {}
# Load input command for each binary
with open("SD-VBS/sd-vbsNames.txt") as f:
for line in f:
name, cmd = line.split(maxsplit=1)
input_cmd[name.replace("./", "")] = cmd.replace("./", "./SD-VBS/").strip()
# for k in input_cmd:
# print(k, input_cmd[k])
# return 1
task_launches = []
max_core = 0
# Load task specifications
with open(pathName, "r") as file:
for line in file:
parameters = line.split(",")
task_launches.append(parameters)
core_num = int(parameters[CORE_NUM]) % 16
if max_core < core_num:
max_core = core_num
# if parameters[0] == '1':
# other_core_num = int(parameters[OTHER_CORE_NUM]) % 16
# if other_core_num > max_core:
# max_core = other_core_num
core_count = max_core+1
# print(parameters)
### Allocate Cache Ways ###
run('mount -t resctrl resctrl /sys/fs/resctrl')
# run('echo "L3:0=0000,1=0000,2=0000,3=0000" > /sys/fs/resctrl/schemata')
# for core in range(16):
# run("mkdir -p /sys/fs/resctrl/core-{}".format(core))
# ccx = core // 4
# in_ccx = core % 4
# mask = "0000"
# mask = mask[:in_ccx] +'f'+ mask[in_ccx+1:]
# if ccx == 0:
# run('echo "L3:0=' + mask + ';1=0000;2=0000;3=0000" > /sys/fs/resctrl/core-{}/schemata'.format(core))
# if ccx == 1:
# run('echo "L3:0=0000;1=' + mask + ';2=0000;3=0000" > /sys/fs/resctrl/core-{}/schemata'.format(core))
# if ccx == 2:
# run('echo "L3:0=0000;1=0000;2='+ mask +';3=0000" > /sys/fs/resctrl/core-{}/schemata'.format(core))
# if ccx == 3:
# run('echo "L3:0=0000;1=0000;2=0000;3=' + mask + '" > /sys/fs/resctrl/core-{}/schemata'.format(core))
# return 1
run("rm -rf /dev/shm/*")
pairID = 0
### Dispatch tasks
for launch in task_launches:
binary_name = launch[BINARY_NAME].strip()
task_name = launch[TASK_NAME].strip()
num_iters = launch[NUM_ITERS].strip()
core_num =launch[CORE_NUM].strip()
run_id = launch[RUN_ID].strip()
save_result = launch[SAVE_RESULT].strip()
period = launch[PERIOD].strip()
crt_level = launch[CRT_LEVEL].strip()
phase = launch[PHASE].strip()
phys_core = int(core_num) % 16
if ID2PID(task_name):
print("ERROR: Task Name {} is already running! Did you end the previous case study?".format(task_name))
return 1
# single tasks
if launch[0] == '0':
binary = binary_path + binary_name + "_single"
# Arg format: <unique name> <num_iters> <core> <NULL runID> <save?> <period> <crit lvl>
arg = " " + task_name + " " + num_iters +" " + core_num +" " + run_id +" " + save_result+" " + period +" " + crt_level + " "+ phase
# print(input_cmd[binary_name] + " | numactl --interleave=all " + binary + arg)
bench_tsk = subprocess.Popen(input_cmd[binary_name] + " | numactl --interleave=all " + binary + arg, shell=True, executable='/bin/bash', stderr=stderr_file)
pid_str = ID2PID(task_name)
if not pid_str:
print("Unable to launch {} as a solo task! Exiting...".format(task_name))
return 1
# run("echo " + pid_str + " > /sys/fs/resctrl/core-" + str(phys_core) + "/tasks")
else:
# Paried tasks
other_binary_name = launch[OTHER_BINARY_NAME].strip()
other_task_name = launch[OTHER_TASK_NAME].strip()
other_core_num = str(int(core_num)+16)
#Check if SMT-paired correctly
# assert(abs(int(core_num)-int(other_core_num)) == 16)
if ID2PID(other_task_name):
print("ERROR: Task Name {} is already running! Did you end the previous case study?".format(other_task_name))
return 1
binary = binary_path + binary_name + "_pair"
other_binary = binary_path + other_binary_name + "_pair"
# Arg format: <unique name> <num iters> <core> <0 other core> <other name> <runID> <save?> <pairID> <period> <crit lvl>
arg1 = " " + task_name + " " + num_iters +" " + core_num +" " + other_core_num+" "+ other_task_name+" "+ run_id +" " + save_result+" " +str(pairID) +" "+ period +" " + crt_level +" "+phase
arg2 = " " + other_task_name + " " + num_iters +" " + other_core_num +" " + core_num+" "+ task_name+" "+ run_id +" " + save_result+" " +str(pairID) +" "+ period +" " + crt_level+" " +phase
# print(input_cmd[binary_name] + " | numactl --membind=0 " + binary + arg1)
# print(input_cmd[other_binary_name] + " | numactl --membind=1 " + other_binary + arg2)
bench_tsk1 = subprocess.Popen(input_cmd[binary_name] + " | numactl --membind=0 " + binary + arg1, shell=True, executable='/bin/bash', stderr=stderr_file)
bench_tsk2 = subprocess.Popen(input_cmd[other_binary_name] + " | numactl --membind=1 " + other_binary + arg2, shell=True, executable='/bin/bash', stderr=stderr_file)
pid1_str = ID2PID(task_name)
pid2_str = ID2PID(other_task_name)
if not pid1_str or not pid2_str:
print("Unable to launch {} and {} in a pair! Exiting...".format(task_name, other_task_name))
return 1
# run("echo " + pid1_str + " > /sys/fs/resctrl/core-" + str(phys_core) + "/tasks")
# run("echo " + pid2_str + " > /sys/fs/resctrl/core-" + str(phys_core) + "/tasks")
pairID += 1
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: " + sys.argv[0] + " <task sets path>")
exit(1)
if os.geteuid() != 0:
print("You must run this script as root to enable cache isolation and access LITMUS-RT.")
exit(1)
pathName = sys.argv[1]
err = main(pathName)
input("Done. Waiting for termination signal...")
exit(err)
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