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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
A_SUITE = 1
A_BIN = 2
A_CRIT = 3
A_PERIOD = 5
P_CORE = 0
P_CRIT = 1
P_T1_ID = 2
P_T2_ID = 5
T_ID = 0
T_BIN = 1
T_PERIOD = 2
T_CCX = 3
CRIT_LEVEL_C = 2
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 = []
# List of lists
# Each list represents the parameters for a pairing as:
# [core, criticality level (0-base), task 1 ID, task 1 name (unused), task 1 period, task 2 ID, task 2 name, task 2 period]
# if task 1 ID = task 2 ID, it's not actually a pair at all
levelAB = []
levelC = []
levelC_s = []
input_cmd = {}
# Load input command for each binary
with open("baseline/tacleNames.txt") as f:
for benchName in f:
# TACLeBench doesn't need inputs
input_cmd[benchName.strip()] = "echo ' '"
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()
with open("dis/dis2MbInNames.txt") as f:
for line in f:
name, cmd = line.split(maxsplit=1)
input_cmd[name.replace("./", "")] = cmd.replace("./", "./dis/").strip()
# Load task specifications
with open(pathName+"/all_tasks.csv", "r") as csv_file:
csv_reader = csv.reader(csv_file, delimiter = ',')
line = 0
for row in csv_reader:
if line > 0:
all_tasks.append(row)
line += 1
with open(pathName+"/levelAB_pairs.csv", "r") as csv_file:
csv_reader = csv.reader(csv_file, delimiter = ',')
line = 0
for row in csv_reader:
if line > 0:
levelAB.append(row)
line += 1
with open(pathName+"/levelC_threads.csv", "r") as csv_file:
csv_reader = csv.reader(csv_file, delimiter = ',')
line = 0
ccx = "0"
threaded = True
for row in csv_reader:
if(len(row) < 3):
continue
# Start of a cluster - read definition
if(row[0] == "threaded" or row[0] == "solo"):
threaded = row[0] == "threaded"
if(row[1] == "4"):
ccx = "1"
else:
ccx = "0"
continue
# Start of a thread speficication
if(row[0] != "task id" and row[0] != ""):
row.append(ccx)
if(threaded):
row.append("t")
else:
row.append("s")
levelC.append(row)
line += 1
### 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')
with open(pathName+"/l3alloc.csv", "r") as csv_file:
csv_reader = csv.reader(csv_file, delimiter = ',')
line = 0
ccx = 0
for row in csv_reader:
if line > 0:
core = int(row[0])
way_AB = int(row[1])
way_C = int(row[3])
# Level C allocation
if(core == 1):
run("mkdir -p /sys/fs/resctrl/level-c-ccx-0")
run('echo "L3:0=' + ("%0.4x" % (int("1"*way_C, 2))) + ';1=0000;2=0000;3=0000" > /sys/fs/resctrl/level-c-ccx-0/schemata')
if(core == 4):
run("mkdir -p /sys/fs/resctrl/level-c-ccx-1")
run('echo "L3:0=0000;1=' + ("%0.4x" % (int("1"*way_C, 2))) + ';2=0000;3=0000" > /sys/fs/resctrl/level-c-ccx-1/schemata')
run('mkdir -p /sys/fs/resctrl/level-ab-core-' + str(core))
if(core < 4):
run('echo "L3:0=' + ("%0.4x" % (int("1"*way_AB + "0"*(16-way_AB), 2))) + ';1=0000;2=0000;3=0000" > /sys/fs/resctrl/level-ab-core-' + str(core) + '/schemata')
else:
run('echo "L3:0=0000;1=' + ("%0.4x" % (int("1"*way_AB + "0"*(16-way_AB), 2))) + ';2=0000;3=0000" > /sys/fs/resctrl/level-ab-core-' + str(core) + '/schemata')
line += 1
### Cleanup Old State ###
run("rm -rf /dev/shm/*")
pairID = 0
### Dispatch all the Level-A and -B paired and unpaired tasks ###
for pairing in levelAB:
task1 = int(pairing[P_T1_ID])
task2 = int(pairing[P_T2_ID])
# Lookup periods and binary location
name1 = all_tasks[task1][A_BIN]
name2 = all_tasks[task2][A_BIN]
period1 = all_tasks[task1][A_PERIOD]
period2 = all_tasks[task2][A_PERIOD]
suite1 = all_tasks[task1][A_SUITE]
suite2 = all_tasks[task2][A_SUITE]
core = pairing[P_CORE]
criticality = pairing[P_CRIT]
binary = ""
binary1 = ""
binary2 = ""
arg = ""
# If the IDs match, this isn't a pair at all
if task1 == task2:
if suite1 == "TACLe":
binary = "./baseline/bin/" + name1
elif suite1 == "SD-VBS":
binary = "./SD-VBS/" + name1 + "_qcif"
elif suite1 == "DIS":
binary = "./dis/" + name1
else:
print("Invalid suite name " + suite1 + " in Level-A/-B tasks! Exiting...")
return 1
lookupID = name1 + str(task1)
if ID2PID(lookupID):
print("ERROR: Task ID {} is already running! Did you end the previous case study?".format(lookupID))
return 1
# Arg format: <unique name> <infinite loops> <core> <NULL runID> <no output> <period> <crit lvl>
arg = " " + lookupID + " -1 " + core + " NULL 0 " + period1 + " " + criticality
bench_tsk = subprocess.Popen(input_cmd[name1] + " | numactl --interleave=all " + binary + arg, shell=True, executable='/bin/bash')
pid_str = ID2PID(lookupID)
if not pid_str:
print("Unable to launch {} as a solo task! Exiting...".format(name1))
return 1
# Add this task to the appropriate cache partition (Class of Service in Intel CAT terms)
run("echo " + pid_str + " > /sys/fs/resctrl/level-ab-core-" + core + "/tasks")
addpid(pid_str)
else:
if suite1 == "TACLe":
binary1 = "./baseline/bin/" + name1
binary2 = "./baseline/bin/" + name2
elif suite1 == "SD-VBS":
binary1 = "./SD-VBS/" + name1 + "_qcif_all"
binary2 = "./SD-VBS/" + name2 + "_qcif_all"
elif suite1 == "DIS":
binary1 = "./dis/" + name1 + "_all"
binary2 = "./dis/" + name2 + "_all"
else:
print("Invalid suite name " + suite1 + " in Level-A/-B tasks! Exiting...")
return 1
pairID += 1 # Used for sem/shm identification in the pair task
thread = str(int(core) + 16) # How Linux numbers SMT threads on the 3950X
lookupID1 = name1 + str(task1)
lookupID2 = name2 + str(task2)
if ID2PID(lookupID1) or ID2PID(lookupID2):
print("ERROR: Part of the pair containing task IDs {} and {} is already running! Did you end the previous case study?".format(lookupID1, lookupID2))
return 1
# Arg format: <unique name> <infinite loops> <core> <0 other core> <NULL other name> <NULL runID> <no output> <pairID> <period> <crit lvl>
# XXX XXX XXX: FIXME when LITMUS is fixed
arg1 = " " + lookupID1 + " -1 " + core + " NULL 0 " + period1 + " " + criticality
arg2 = " " + lookupID2 + " -1 " + thread + " NULL 0 " + period2 + " " + criticality
bench_tsk1 = subprocess.Popen(input_cmd[name1] + " | numactl --membind=0 " + binary1 + arg1, shell=True, executable='/bin/bash')
bench_tsk2 = subprocess.Popen(input_cmd[name2] + " | numactl --membind=1 " + binary2 + arg2, shell=True, executable='/bin/bash')
# Find benchmark PID (avoid getting shell or numactl PID)
pid1_str = ID2PID(lookupID1)
pid2_str = ID2PID(lookupID2)
if not pid1_str or not pid2_str:
print("Unable to launch {} and {} in a pair! Exiting...".format(name1, name2))
return 1
# Add this task to the appropriate cache partition (Class of Service in Intel CAT terms)
run("echo " + pid1_str + " > /sys/fs/resctrl/level-ab-core-" + core + "/tasks")
run("echo " + pid2_str + " > /sys/fs/resctrl/level-ab-core-" + core + "/tasks")
addpid(pid1_str)
addpid(pid2_str)
### Dispatch all the Level-C tasks ###
for task in levelC:
tid = int(task[T_ID])
name = all_tasks[tid][A_BIN]
period = all_tasks[tid][A_PERIOD]
suite = all_tasks[tid][A_SUITE]
ccx = task[T_CCX]
if suite == "TACLe":
binary = "./baseline/bin/" + name
elif suite == "SD-VBS":
name += "_qcif"
binary = "./SD-VBS/" + name
elif suite == "DIS":
binary = "./dis/" + name
else:
print("Invalid suite name " + suite + " in Level-C tasks! Exiting...")
return 1
# XXX XXX XXX: FIXME when LITMUS is fixed
core = str(int(ccx)*4 + 1);
lookupID = name + str(tid)
if ID2PID(lookupID):
print("ERROR: Task ID {} is already running! Did you end the previous case study?".format(lookupID))
return 1
# Arg format: <unique name> <infinite loops> <core> <NULL runID> <no output> <period> <crit lvl>
arg = " " + lookupID + " -1 " + core + " NULL 0 " + period + " " + str(CRIT_LEVEL_C)
bench_tsk = subprocess.Popen(input_cmd[name] + " | numactl --interleave=all " + binary + arg, shell=True, executable='/bin/bash')
# Find benchmark PID (avoid getting shell or numactl PID)
pid_str = ID2PID(lookupID)
if not pid_str:
print("Unable to launch {} as a Level-C thread! Exiting...".format(name))
return 1
# Add this task to the appropriate cache partition (Class of Service in Intel CAT terms)
run("echo " + pid_str + " > /sys/fs/resctrl/level-c-ccx-" + ccx + "/tasks")
addpid(pid_str)
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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