read_plus: Add script for testing the READ_PLUS operation
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Anna Schumaker
parent
a6d46ff0e1
commit
dd97c7079b
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@ -0,0 +1,77 @@
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import sys
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import re
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import termcolor
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SIZE = sys.argv[1]
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FILE = open(sys.argv[2], 'a') if len(sys.argv) >= 3 else None
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COLORS = {"data": "red", "hole": "green", "d": "cyan", "h": "yellow"}
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def write_log(text, color=None, attrs=[], end=""):
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if FILE: FILE.write(text + end)
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termcolor.cprint(text, color=color, attrs=attrs, end=end)
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def print_allocation(prefix, name, filetype, extra):
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write_log(prefix, color="white", attrs=["dark"])
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write_log(name, color=COLORS[filetype], attrs=["bold"])
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write_log(extra, color="white", attrs=["dark"])
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def print_allocation_done(done, time, end):
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write_log(done, color="white", attrs=["dark"])
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write_log(time, color="blue", attrs=["bold"])
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write_log(end, color="white", attrs=["dark"])
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def print_reading(prefix, name, precache, cached, postcache):
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ccolor = "yellow" if cached == "uncached" else "green"
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write_log(prefix, color="white", attrs=["dark"])
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write_log(name, color=COLORS[filetype], attrs=["bold"])
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write_log(precache, color="white", attrs=["dark"])
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write_log(cached, color=ccolor, attrs=["bold"])
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write_log(postcache, color="white", attrs=["dark"])
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write_log(" ...", color="white", attrs=["dark"])
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def print_stats_1(walltime, speed):
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write_log(" ")
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write_log(walltime, color="blue", attrs=["bold"])
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write_log(", ", color="white", attrs=["dark"])
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write_log(speed, color="green", attrs=["bold"])
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write_log(", ", color="white", attrs=["dark"])
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def print_stats_2(kerntime, kernunits, cpu):
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write_log(kerntime, color="cyan", attrs=["bold"], end=" ")
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write_log(kernunits, color="cyan", attrs=["bold"])
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write_log(", ", color="white", attrs=["dark"])
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write_log(cpu, color="red", attrs=["bold"])
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def print_iteration(prefix, cur, sep, total):
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write_log(prefix, color="magenta", attrs=["bold", "underline"])
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write_log(cur, color="green", attrs=["bold", "underline"])
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write_log(sep, color="magenta", attrs=["bold", "underline"])
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write_log(total, color="blue", attrs=["bold", "underline"], end="\n")
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text = ""
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while c := sys.stdin.read(1):
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text += c
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line = text
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text = ""
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if match := re.match(f"(Allocating file: )({SIZE}M-(data|hole|mixed-\d+(d|h)))( ...)", line):
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filetype = match.group(3) if match.group(4) is None else match.group(4)
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print_allocation(match.group(1), match.group(2), filetype, match.group(5))
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elif match := re.match(r"( \[Done: )(\d+\.\d+s)(\]\n)", line):
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print_allocation_done(match.group(1), match.group(2), match.group(3))
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elif match := re.match(f"(Reading: )({SIZE}M-(data|hole|mixed-\d+(d|h)))( \()((un)?cached)( on \w*\))\n", line):
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filetype = match.group(3) if match.group(4) is None else match.group(4)
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print_reading(match.group(1), match.group(2), match.group(5), match.group(6), match.group(8))
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elif match := re.match(r"\d+ bytes \([\w,\. ]*\) copied, (\d+\.\d+ s), ((\d+ MB/s)|(\d\.\d GB/s))\n", line):
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print_stats_1(match.group(1), match.group(2))
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elif match := re.match("(\d+\.\d+)(s kern), (\d+% cpu)", line):
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print_stats_2(match.group(1), match.group(2), match.group(3))
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elif match := re.match(r"\d+\+\d+ records (in|out)\n", line):
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pass
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elif match := re.match("(Iteration )(\d+)( / )(\d+)\n", line):
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print_iteration(match.group(1), match.group(2), match.group(3), match.group(4))
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elif c == "\n":
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write_log(line)
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else:
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text = line
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@ -0,0 +1,17 @@
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#compdef read_plus.zsh
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function _read_plus.zsh() {
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_arguments \
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{-c,--client}'[the client to test]: : _alternative
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"hosts\:hosts\: _ssh_hosts"
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"domains\:domains\:($(virsh list --all --name))"' \
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{-d,--direct}'[call dd with iflag=direct]' \
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{-f,--file}'[write output to file]: : _files' \
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{-i,--iterations}'[number of times to repeat the test]: :($(seq 100))' \
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{-p,--mountpoint}'[the directory to mount the server]: : _files -/' \
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{-s,--server}'[the server to test against]: : _alternative
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"hosts\:hosts\: _ssh_hosts"
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"domains\:domains\:($(virsh list --all --name))"' \
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{-x,--export}'[the exported directory on the server]: : _files -/' \
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{-z,--size}'[the size of the test files]: :($(seq 5120))'
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}
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@ -2,7 +2,8 @@
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BIN=$HOME/bin
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SCRIPTS=(grub-list.zsh setup-testdirs.zsh \
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setup-xfstests.zsh run-xfstests.zsh)
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setup-xfstests.zsh run-xfstests.zsh \
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setup-read_plus.zsh setup-read_plus-files.py)
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function install_script() {
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ssh $1 mkdir -p bin/
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@ -0,0 +1,75 @@
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#!/bin/zsh -e
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CLIENT=(client)
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SERVER=(server)
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EXPORT=(/srv/test)
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MOUNTPOINT=(/mnt/test)
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SIZE=(2048)
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ITERATIONS=(1)
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zparseopts -F -K \
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c:=CLIENT -client:=CLIENT \
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d=DIRECT -direct=DIRECT \
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f:=FILE -file:=FILE \
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i:=ITERATIONS -iterations:=ITERATIONS \
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p:=MOUNTPOINT -mountpoint:=MOUNTPOINT \
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s:=SERVER -server:=SERVER \
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x:=EXPORT -export:=EXPORT \
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z:=SIZE -size:=SIZE
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BIN=$HOME/bin
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COLOR="python -u $BIN/colors/read_plus.py ${SIZE[-1]} ${FILE[-1]}"
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IFLAG=
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RUN_READ_PLUS="sudo run-read_plus.zsh"
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USER=$(whoami)
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SRV_DIR=${EXPORT[-1]}/$USER/read_plus
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TEST_DIR=${MOUNTPOINT[-1]}/read_plus
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TEST_DEV=${SERVER[-1]}:$SRV_DIR
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TEST_FILES=($(echo ${SIZE[-1]}M-{data,hole,mixed-{1,2,4,8,16}{d,h}}))
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TIME_CMD="sudo /usr/bin/time -f \"%Ss kern, %P cpu\""
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#
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# Prepare to test
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#
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$BIN/vm.zsh boot ${CLIENT[-1]} ${SERVER[-1]}
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$BIN/install-scripts.zsh ${CLIENT[-1]}
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if [ ${#FILE} -gt 1 ]; then
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mkdir -p $(dirname ${FILE[-1]})
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[[ -f ${FILE[-1]} ]] && rm -fv ${FILE[-1]}
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touch ${FILE[-1]}
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fi
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if [ ${#DIRECT} -gt 0 ]; then
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IFLAG="iflag=direct"
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fi
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ssh ${CLIENT[-1]} "sudo setup-read_plus.zsh ${SERVER[-1]} ${EXPORT[-1]} \
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${MOUNTPOINT[-1]} $USER ${SIZE[-1]} 1,2,4,8,16" | eval ${COLOR}
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function dd_file() {
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echo "Reading: $1 ($2 on ${SERVER[-1]})"
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case $2 in
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"uncached") args="eq" ;;
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"cached") args="tq" ;;
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esac
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ssh ${SERVER[-1]} "sudo vmtouch -$args $SRV_DIR/$1"
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ssh ${CLIENT[-1]} "sudo vmtouch -eq $TEST_DIR/$1"
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ssh ${CLIENT[-1]} "$TIME_CMD dd if=$TEST_DIR/$1 $IFLAG of=/dev/null bs=$3"
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}
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for i in $(seq ${ITERATIONS[-1]}); do
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echo
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[[ ${#FILE} -gt 1 ]] && echo >> ${FILE[-1]}
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ssh ${CLIENT[-1]} "sudo mount -o sec=sys,v4.2 $TEST_DEV $TEST_DIR"
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bsize=$(ssh ${CLIENT[-1]} "mount | grep $TEST_DEV" | awk -F rsize= '{print $2}' | awk -F, '{print $1}')
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if [[ ${ITERATIONS[-1]} -gt 1 ]]; then
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echo "Iteration $i / ${ITERATIONS[-1]}" | eval ${COLOR}
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fi
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for f in $TEST_FILES; do
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for cache in uncached cached; do
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dd_file $f $cache $bsize 2>&1 | eval ${COLOR}
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done
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done
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ssh ${CLIENT[-1]} "sudo umount $TEST_DIR"
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done
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@ -0,0 +1,48 @@
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#!/usr/bin/python -u
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import datetime
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import pathlib
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import os
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import string
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import sys
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PAGE_SIZE = 4096
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PAGE_HEADER = "<<<Start Of Page>>>\n"
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PAGE_FOOTER = "\n<<<End Of Page>>>\n"
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line = string.ascii_letters + string.digits + "\n"
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data_len = PAGE_SIZE - len(PAGE_HEADER + PAGE_FOOTER)
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(n_lines, n_chars) = divmod(data_len, len(line))
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page_data = PAGE_HEADER + (line * n_lines) + line[:n_chars] + PAGE_FOOTER
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PAGE_DATA = page_data.encode()
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FILE_BASE = pathlib.Path(sys.argv[1])
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FILE_SIZE = int(sys.argv[2])
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FILE_SIZE_BYTES = FILE_SIZE * 1024 * 1024
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FILE_N_PAGES = FILE_SIZE_BYTES // PAGE_SIZE
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def allocate_testfile(name, n_pages, hole):
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file = FILE_BASE / f"{FILE_SIZE}M-{name}"
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if file.exists():
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return
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print(f"Allocating file: {file.stem} ...", end="")
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start = datetime.datetime.now()
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with open(file, 'wb') as f:
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f.truncate(FILE_SIZE_BYTES)
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for chunk in range(FILE_N_PAGES // n_pages):
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if hole:
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f.seek(PAGE_SIZE * n_pages, os.SEEK_CUR)
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else:
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f.write(PAGE_DATA * n_pages)
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hole = not hole
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os.fsync(f)
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tdelta = datetime.datetime.now() - start
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time = float(f"{tdelta.seconds}.{tdelta.microseconds}")
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print(f" [Done: {round(time, 2):.2f}s]")
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allocate_testfile("data", FILE_N_PAGES, False)
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allocate_testfile("hole", FILE_N_PAGES, True)
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for chunk in [int(c) for c in sys.argv[3].split(",")]:
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allocate_testfile(f"mixed-{chunk}d", chunk, False)
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allocate_testfile(f"mixed-{chunk}h", chunk, True)
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@ -0,0 +1,22 @@
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#!/bin/zsh
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SERVER=$1
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EXPORT=$2
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MOUNTPOINT=$3/read_plus
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USER=$4
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SIZE=$5
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CHUNKS=$6
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if [ "$#" -ne 6 ]; then
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echo "Usage: $0 {server} {export} {mountpoint} {user} {size} {chunks}"
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exit 1
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fi
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mkdir -p $MOUNTPOINT
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mount -o sec=sys $SERVER:$EXPORT $MOUNTPOINT
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TRAPEXIT() {
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sudo umount -f $MOUNTPOINT
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}
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mkdir -p -m 777 $MOUNTPOINT/$USER/read_plus
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setup-read_plus-files.py $MOUNTPOINT/$USER/read_plus $SIZE $CHUNKS
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sync
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