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tl-serve.py
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tl-serve.py
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#!/usr/bin/env python
# serve toplev csv file as http using dygraph
# toplev.py -I100 -o x.csv -v -x, ...
# tl-serve.py x.csv [host [port]]
from __future__ import print_function
import string
import argparse
import csv
import re
import os
import signal
import sys
try:
import BaseHTTPServer
except ImportError:
import http.server as BaseHTTPServer
import gen_level
import tldata
ap = argparse.ArgumentParser(usage="Serve toplev csv file as http or generate in directory")
ap.add_argument('csvfile', help='toplev csv file to serve')
ap.add_argument('host', nargs='?', default="localhost", help='Hostname to bind to (default localhost)')
ap.add_argument('port', nargs='?', default="9001", type=int, help='Port to bind to (default 9001)')
ap.add_argument('--verbose', '-v', action='store_true', help='Display all metrics, even if below threshold')
ap.add_argument('--gen', help='Generate HTML files in specified directory')
ap.add_argument('--title', help='Title for output')
args = ap.parse_args()
T = string.Template
data = tldata.TLData(args.csvfile, args.verbose)
data.update()
def jsname(n):
return n.replace(".", "_").replace("-", "_")
def comma_strings(l):
return ",".join(['"%s"' % (x) for x in l])
def gen_html_header():
graph = """<html><head><title>Toplev</title>
<link rel="shortcut icon" href="toplev.ico" />
<script type="text/javascript" src="dygraph-combined.js"></script>
</head>
<body>
<script type="text/javascript">
var cpus = ["""
graph += comma_strings(sorted(data.cpus)) + "]\n"
graph += "var nodes = [" + comma_strings(tldata.level_order(data)) + "]"
graph += """
var graphs = []
var goptions = []
var num_graphs = 0
var block_redraw = false
function enable(el) {
for (i = 0; i < cpus.length; i++) {
p = document.getElementById("d_" + cpus[i] + "_" + el.name)
p.style.display = el.checked ? 'block' : 'none';
}
}
function change_all(flag) {
all_displays = document.getElementsByClassName("disp")
for (i = 0; i < all_displays.length; i++) {
p = all_displays[i];
p.style.display = flag ? 'block' : 'none';
}
togs = document.getElementsByClassName("toggles")
for (i = 0; i < togs.length; i++) {
p = togs[i];
p.checked = flag;
}
}
var timer
function toggle_refresh(el) {
p = document.getElementById("refresh_rate")
if (timer) {
clearInterval(timer)
timer = null
}
if (el.checked) {
timer = setInterval(function () {
for (i = 0; i < num_graphs; i++) {
graphs[i].updateOptions(goptions[i])
}
}, Number(p.value))
}
}
function add_node(cpu, nd) {
p = document.getElementById("d_" + cpus[cpu] + "_" + nodes[nd])
p.parentNode.appendChild(p)
}
function toggle_interleave(el) {
if (!el.checked) {
for (cpu = 0; cpu < cpus.length; cpu++) {
for (nd = 0; nd < nodes.length; nd++) {
add_node(cpu, nd)
}
}
} else {
for (nd = 0; nd < nodes.length; nd++) {
for (cpu = 0; cpu < cpus.length; cpu++) {
add_node(cpu, nd)
}
}
}
}
function draw_graph(me, initial) {
if (block_redraw || initial)
return;
block_redraw = true
xrange = me.xAxisRange()
for (i = 0; i < num_graphs; i++) {
if (graphs[i] != me) {
graphs[i].updateOptions({
dateWindow: xrange,
})
}
}
block_redraw = false
}
function hilight_help(e, x, pts, row, help) {
p = document.getElementById("help")
h = ""
for (i = 0; i < pts.length; i++) {
n = pts[i].name
if (n in help && help[n] != "") {
h += "<b>" + n + "</b>: " + help[n] + " <br /> "
} else {
// location.reload(); // XXX
}
}
p.innerHTML = h
}
function unhilight_help(e, x, pts, row) {
p = document.getElementById("help")
p.innerHTML = ""
}
</script>
"""
if args.title:
graph += T("<h1>$title</h1>\n").substitute({"title": args.title})
graph += """
<div><p>
<b>Display:</b>
"""
lev = tldata.level_order(data)
for num, name in enumerate(lev):
graph += T("""\
<input id="$id" class="toggles" type=checkbox name="$name" onClick="enable(this)" checked />
<label for="$id">$name</label>
""").substitute({"id": num, "name": name})
graph += """
<input id="all" type=checkbox name="dall" onClick="change_all(this.checked)" checked />
<label for="all">Toggle all</label>
<input id="enable_refresh" type=checkbox onClick="toggle_refresh(this)" />
<label for="enable_refresh">Auto-refresh</label>
<input id="refresh_rate" type="text" size=4 value="1000" name="refresh" />
<label for="refresh_rate">Refresh rate (ms)</label>
<input id="interleave" type=checkbox onClick="toggle_interleave(this)" />
<label for="interleave">Interleave CPUs</label>
</p></div>
Drag to zoom. Double click to zoom out again<br />
<div id="help" style="position:fixed; right:0; width:300px; font-size: 11"> </div>
"""
for j in lev:
graph += T("""
<script type="text/javascript">
help_$name = {
""").substitute({"name": jsname(j)})
for i in data.levels[j]:
if i not in data.helptxt:
#print(i,"not found in",data.helptxt.keys())
continue
graph += T("""
"$name": "$help",
""").substitute({"name": get_postfix(i), "help": data.helptxt[i]})
graph += """
}
</script>
"""
return graph
def gen_html_cpu(cpu):
lev = tldata.level_order(data)
graph = ""
for name in lev:
opts = {
"title": name + " " + cpu,
"width": 1000,
"height": 180,
#"xlabel": "time",
}
if name in data.metrics:
unit = gen_level.get_unit(list(data.levels[name])[0])
if unit:
opts["ylabel"] = unit
else:
opts["stackedGraph"] = 1
opts["stackedGraphNaNFill"] = "none"
opts["ylabel"] = "% CPU time"
unit = '%'
if unit == '%':
opts["valueRange"] = [-5, 110]
graph += T("""
<div id="d_${cpu}_$name" class="disp"></div>
<script type="text/javascript">
i = num_graphs++
goptions[i] = $opts
goptions[i].highlightCallback = function(e, x, pts, row) {
hilight_help(e, x, pts, row, help_$jname)
}
goptions[i].unhighlightCallback = unhilight_help
goptions[i].drawCallback = draw_graph
graphs[i] = new Dygraph(document.getElementById("d_${cpu}_$name"), "$cpu.$file.csv", goptions[i])
goptions[i]["file"] = "$cpu.$file.csv"
</script>
""").substitute({"name": name, "jname": jsname(name), "file": name, "cpu": cpu, "opts": opts})
return graph
def gen_html():
graph = gen_html_header()
for cpu in sorted(data.cpus):
graph += gen_html_cpu(cpu)
graph += """
</body>
</html>"""
return graph
def get_postfix(s):
m = re.match(r'.*\.(.*)', s)
if m:
return m.group(1)
return s
def gencsv(wfile, l, cpu):
hdr = sorted(data.levels[l])
wr = csv.writer(wfile, lineterminator='\n')
wr.writerow(["Timestamp"] + map(get_postfix, hdr))
for val, ts in zip(data.vals, data.times):
wr.writerow([ts] + [val[(x, cpu)] if (x, cpu) in val else "" for x in hdr])
class TLHandler(BaseHTTPServer.BaseHTTPRequestHandler):
def header(self, typ):
self.send_response(200)
self.send_header('Content-Type', typ)
self.end_headers()
def bad(self):
self.send_response(401)
self.send_header('Content-Type', 'text/html')
self.end_headers()
self.wfile.write("%s not found" % (self.path))
def serve_file(self, fn, mime):
with open(fn, "r") as f:
self.header(mime)
self.wfile.write(f.read())
def do_GET(self):
if self.path == "/":
self.header("text/html")
self.wfile.write(gen_html().encode())
elif self.path == "/dygraph-combined.js":
self.serve_file("dygraph-combined.js", "text/javascript")
elif self.path == "/toplev.ico":
self.serve_file("toplev.ico", "image/x-icon")
elif self.path.endswith(".csv"):
data.update()
m = re.match(r"/(cpu|C\d+|S\d+-C\d+|C\d+-T\d+)\.(.*?)\.csv", self.path)
if not m:
self.bad()
return
cpu = m.group(1)
l = m.group(2)
if l not in data.levels:
self.bad()
return
self.header("text/csv")
gencsv(self.wfile, l, cpu)
else:
self.bad()
def copyfile(a, b):
with open(a, "rb") as af:
with open(b, "wb") as bf:
bf.write(af.read())
def term(signal, frame):
print("sigterm")
sys.exit(0)
if args.gen:
if not os.path.isdir(args.gen):
os.makedirs(args.gen)
genfn = os.path.join
with open(genfn(args.gen, "index.html"), 'wb') as f:
f.write(gen_html().encode())
copyfile('dygraph-combined.js', genfn(args.gen, 'dygraph-combined.js'))
copyfile('toplev.ico', genfn(args.gen, 'favicon.ico'))
for cpu in data.cpus:
for l in data.levels:
with open(genfn(args.gen, cpu + "." + l + ".csv"), 'w') as f:
gencsv(f, l, cpu)
print("Please browse", args.gen, "through a web server, not through file:")
else:
signal.signal(signal.SIGTERM, term)
httpd = BaseHTTPServer.HTTPServer((args.host, args.port), TLHandler)
print("serving at",args.host,"port",args.port,"until Ctrl-C")
try:
httpd.serve_forever()
except KeyboardInterrupt:
httpd.socket.close()