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profile: Add MC_PROFILER env supporting cpu, mem, block profiling. (#1714)

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All profiled outputs are written inside `~/.mc/profile`
This commit is contained in:
Harshavardhana
2016-05-10 19:10:59 -07:00
committed by Anand Babu (AB) Periasamy
parent ac57970229
commit 959fa74ca5
8 changed files with 295 additions and 0 deletions
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18
main.go
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@@ -20,6 +20,7 @@ import (
"bytes"
"fmt"
"os"
"path/filepath"
"runtime"
"sort"
"strconv"
@@ -28,6 +29,7 @@ import (
"github.com/minio/mc/pkg/console"
"github.com/minio/minio/pkg/probe"
"github.com/minio/pb"
"github.com/pkg/profile"
)
var (
@@ -228,7 +230,23 @@ func registerApp() *cli.App {
return app
}
// mustGetProfilePath must get location that the profile will be written to.
func mustGetProfileDir() string {
return filepath.Join(mustGetMcConfigDir(), globalProfileDir)
}
func main() {
// Enable profiling supported modes are [cpu, mem, block].
// ``MC_PROFILER`` supported options are [cpu, mem, block].
switch os.Getenv("MC_PROFILER") {
case "cpu":
defer profile.Start(profile.CPUProfile, profile.ProfilePath(mustGetProfileDir())).Stop()
case "mem":
defer profile.Start(profile.MemProfile, profile.ProfilePath(mustGetProfileDir())).Stop()
case "block":
defer profile.Start(profile.BlockProfile, profile.ProfilePath(mustGetProfileDir())).Stop()
}
probe.Init() // Set project's root source path.
probe.SetAppInfo("Release-Tag", mcReleaseTag)
probe.SetAppInfo("Commit", mcShortCommitID)