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nexedi
neoppod
Commits
cd2cd093
Commit
cd2cd093
authored
Oct 13, 2017
by
Kirill Smelkov
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X bench_disk: Add std bench format
parent
98c8aaac
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1
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go/neo/t/neotest
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cd2cd093
...
...
@@ -744,8 +744,19 @@ bench_cpu() {
# bench_disk - benchmark direct (uncached) and cached random reads
bench_disk
()
{
# ioping2bench <topic> - converts timings from ioping to std benchmark
ioping2bench
()
{
# XXX normalize all units to µs (benchstat treats time and µs as different - XXX better improve benchstat)
sed
-u
-e
\
"s|^min/avg/max/mdev =
\(
[0-9.]
\+\)
\(
[^ ]
\+\)
/
\(
[0-9.]
\+\)
\(
[^ ]
\+\)
/
\(
[0-9.]
\+\)\+
\(
[^ ]
\+\)
/
\(
[0-9.]
\+\)
\(
[^ ]
\+\)\$
|&
\n\
Benchmark
$1
-min 1
\\
1
\\
2/op
\n\
Benchmark
$1
-avg 1
\\
3
\\
4/op
\
|"
}
echo
-e
"
\n
*** disk: random direct (no kernel cache) 4K-read latency"
nrun ioping
-D
-i
0ms
-s
4k
-S
1024M
-w
3s
-q
-k
.
nrun ioping
-D
-i
0ms
-s
4k
-S
1024M
-w
3s
-q
-k
.
|
\
ioping2bench
"
`
hostname
`
/disk/randread/direct/4K"
echo
-e
"
\n
*** disk: random cached 4K-read latency"
# warmup so kernel puts the file into pagecache
...
...
@@ -753,7 +764,8 @@ bench_disk() {
cat
ioping.tmp
>
/dev/null
done
nrun ioping
-C
-i
0ms
-s
4k
-S
1024M
-w
3s
-q
-k
.
nrun ioping
-C
-i
0ms
-s
4k
-S
1024M
-w
3s
-q
-k
.
|
\
ioping2bench
"
`
hostname
`
/disk/randread/pagecache/4K"
}
#hashfunc=sha1
...
...
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