61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package debug
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import (
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"os"
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"os/user"
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"path/filepath"
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"runtime/pprof"
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"strings"
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"github.com/cosmos/cosmos-sdk/server"
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"github.com/tendermint/tendermint/libs/log"
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)
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// isCPUProfileConfigurationActivated checks if cpuprofile was configured via flag
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func isCPUProfileConfigurationActivated(ctx *server.Context) bool {
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// TODO: use same constants as server/start.go
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// constant declared in start.go cannot be imported (cyclical dependency)
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const flagCPUProfile = "cpu-profile"
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if cpuProfile := ctx.Viper.GetString(flagCPUProfile); cpuProfile != "" {
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return true
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}
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return false
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}
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// ExpandHome expands home directory in file paths.
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// ~someuser/tmp will not be expanded.
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func ExpandHome(p string) (string, error) {
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if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
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usr, err := user.Current()
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if err != nil {
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return p, err
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}
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home := usr.HomeDir
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p = home + p[1:]
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}
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return filepath.Clean(p), nil
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}
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// writeProfile writes the data to a file
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func writeProfile(name, file string, log log.Logger) error {
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p := pprof.Lookup(name)
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log.Info("Writing profile records", "count", p.Count(), "type", name, "dump", file)
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fp, err := ExpandHome(file)
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if err != nil {
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return err
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}
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f, err := os.Create(fp)
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if err != nil {
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return err
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}
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if err := p.WriteTo(f, 0); err != nil {
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if err := f.Close(); err != nil {
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return err
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}
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return err
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}
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return f.Close()
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}
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