cerc-io/plugeth
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cmd/geth: add memory stat collection too

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This commit is contained in:
Péter Szilágyi 2015-06-25 13:47:06 +03:00
parent c6e2af14c0
commit c0343c8f17
1 changed files with 24 additions and 0 deletions
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24
cmd/geth/main.go
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@ -30,6 +30,7 @@ import (
"runtime"
"strconv"
"strings"
"time"
"github.com/codegangsta/cli"
"github.com/ethereum/ethash"
@ -42,6 +43,7 @@ import (
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/mattn/go-colorable"
"github.com/mattn/go-isatty"
"github.com/rcrowley/go-metrics"
)
const (
@ -285,6 +287,28 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
}
return nil
}
// Start system runtime metrics collection
go func() {
used := metrics.GetOrRegisterMeter("system/memory/used", metrics.DefaultRegistry)
total := metrics.GetOrRegisterMeter("system/memory/total", metrics.DefaultRegistry)
mallocs := metrics.GetOrRegisterMeter("system/memory/mallocs", metrics.DefaultRegistry)
frees := metrics.GetOrRegisterMeter("system/memory/frees", metrics.DefaultRegistry)
stats := make([]*runtime.MemStats, 2)
for i := 0; i < len(stats); i++ {
stats[i] = new(runtime.MemStats)
}
for i := 1; ; i++ {
runtime.ReadMemStats(stats[i%2])
used.Mark(int64(stats[i%2].Alloc - stats[(i-1)%2].Alloc))
total.Mark(int64(stats[i%2].TotalAlloc - stats[(i-1)%2].TotalAlloc))
mallocs.Mark(int64(stats[i%2].Mallocs - stats[(i-1)%2].Mallocs))
frees.Mark(int64(stats[i%2].Frees - stats[(i-1)%2].Frees))
time.Sleep(3 * time.Second)
}
}()
}
func main() {