perso/syncthing-arm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Configurable heap profiling rate

Browse Source
This commit is contained in:
Jakob Borg 2015-02-10 19:45:32 +01:00
parent ee000dabfd
commit c482c13dcb
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cmd/syncthing/heapprof.go
View File

@ -20,19 +20,24 @@ import (
"os" "os"
"runtime" "runtime"
"runtime/pprof" "runtime/pprof"
"strconv"
"syscall" "syscall"
"time" "time"
) )
func init() { func init() {
if innerProcess && os.Getenv("STHEAPPROFILE") != "" { if innerProcess && os.Getenv("STHEAPPROFILE") != "" {
rate := 1
if i, err := strconv.Atoi(os.Getenv("STHEAPPROFILE")); err == nil {
rate = i
}
l.Debugln("Starting heap profiling") l.Debugln("Starting heap profiling")
go saveHeapProfiles() go saveHeapProfiles(rate)
} }
} }
func saveHeapProfiles() { func saveHeapProfiles(rate int) {
runtime.MemProfileRate = 1 runtime.MemProfileRate = rate
var memstats, prevMemstats runtime.MemStats var memstats, prevMemstats runtime.MemStats
t0 := time.Now() t0 := time.Now()