1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
# perf.py - performance test routines
'''helper extension to measure performance'''
from mercurial import cmdutil, scmutil, match, commands
import time, os, sys
def timer(func, title=None):
results = []
begin = time.time()
count = 0
while True:
ostart = os.times()
cstart = time.time()
r = func()
cstop = time.time()
ostop = os.times()
count += 1
a, b = ostart, ostop
results.append((cstop - cstart, b[0] - a[0], b[1]-a[1]))
if cstop - begin > 3 and count >= 100:
break
if cstop - begin > 10 and count >= 3:
break
if title:
sys.stderr.write("! %s\n" % title)
if r:
sys.stderr.write("! result: %s\n" % r)
m = min(results)
sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n"
% (m[0], m[1] + m[2], m[1], m[2], count))
def perfwalk(ui, repo, *pats):
try:
m = scmutil.match(repo[None], pats, {})
timer(lambda: len(list(repo.dirstate.walk(m, [], True, False))))
except:
try:
m = scmutil.match(repo[None], pats, {})
timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)]))
except:
timer(lambda: len(list(cmdutil.walk(repo, pats, {}))))
def perfstatus(ui, repo, *pats):
#m = match.always(repo.root, repo.getcwd())
#timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False, False))))
timer(lambda: sum(map(len, repo.status())))
def perfheads(ui, repo):
timer(lambda: len(repo.changelog.heads()))
def perftags(ui, repo):
import mercurial.changelog, mercurial.manifest
def t():
repo.changelog = mercurial.changelog.changelog(repo.sopener)
repo.manifest = mercurial.manifest.manifest(repo.sopener)
repo._tags = None
return len(repo.tags())
timer(t)
def perfdirstate(ui, repo):
"a" in repo.dirstate
def d():
repo.dirstate.invalidate()
"a" in repo.dirstate
timer(d)
def perfdirstatedirs(ui, repo):
"a" in repo.dirstate
def d():
"a" in repo.dirstate._dirs
del repo.dirstate._dirs
timer(d)
def perfmanifest(ui, repo):
def d():
t = repo.manifest.tip()
m = repo.manifest.read(t)
repo.manifest.mapcache = None
repo.manifest._cache = None
timer(d)
def perfindex(ui, repo):
import mercurial.revlog
mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
n = repo["tip"].node()
def d():
repo.invalidate()
repo[n]
timer(d)
def perfstartup(ui, repo):
cmd = sys.argv[0]
def d():
os.system("HGRCPATH= %s version -q > /dev/null" % cmd)
timer(d)
def perfparents(ui, repo):
nl = [repo.changelog.node(i) for i in xrange(1000)]
def d():
for n in nl:
repo.changelog.parents(n)
timer(d)
def perflookup(ui, repo, rev):
timer(lambda: len(repo.lookup(rev)))
def perflog(ui, repo, **opts):
ui.pushbuffer()
timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
copies=opts.get('rename')))
ui.popbuffer()
def perftemplating(ui, repo):
ui.pushbuffer()
timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
template='{date|shortdate} [{rev}:{node|short}]'
' {author|person}: {desc|firstline}\n'))
ui.popbuffer()
def perfdiffwd(ui, repo):
"""Profile diff of working directory changes"""
options = {
'w': 'ignore_all_space',
'b': 'ignore_space_change',
'B': 'ignore_blank_lines',
}
for diffopt in ('', 'w', 'b', 'B', 'wB'):
opts = dict((options[c], '1') for c in diffopt)
def d():
ui.pushbuffer()
commands.diff(ui, repo, **opts)
ui.popbuffer()
title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none')
timer(d, title)
def perfrevlog(ui, repo, file_, **opts):
from mercurial import revlog
dist = opts['dist']
def d():
r = revlog.revlog(lambda fn: open(fn, 'rb'), file_)
for x in xrange(0, len(r), dist):
r.revision(r.node(x))
timer(d)
cmdtable = {
'perflookup': (perflookup, []),
'perfparents': (perfparents, []),
'perfstartup': (perfstartup, []),
'perfstatus': (perfstatus, []),
'perfwalk': (perfwalk, []),
'perfmanifest': (perfmanifest, []),
'perfindex': (perfindex, []),
'perfheads': (perfheads, []),
'perftags': (perftags, []),
'perfdirstate': (perfdirstate, []),
'perfdirstatedirs': (perfdirstate, []),
'perflog': (perflog,
[('', 'rename', False, 'ask log to follow renames')]),
'perftemplating': (perftemplating, []),
'perfdiffwd': (perfdiffwd, []),
'perfrevlog': (perfrevlog,
[('d', 'dist', 100, 'distance between the revisions')],
"[INDEXFILE]"),
}
|
