github.com/kaydxh/golang@v0.0.131/pkg/profile/profile.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package profile
    23  
    24  import (
    25  	"path/filepath"
    26  	"strings"
    27  	"time"
    28  
    29  	time_ "github.com/kaydxh/golang/go/time"
    30  
    31  	os_ "github.com/kaydxh/golang/go/os"
    32  	"github.com/pkg/profile"
    33  )
    34  
    35  //no profile
    36  type nop struct {
    37  }
    38  
    39  func (p *nop) Stop() {
    40  }
    41  
    42  func StartWithEnv() interface {
    43  	Stop()
    44  } {
    45  
    46  	profileEnv := os_.GetEnvAsStringOrFallback("PROFILING", "")
    47  	profilePath := os_.GetEnvAsStringOrFallback("PROFILEPATH", "")
    48  	if profilePath != "" {
    49  		profilePath = filepath.Join(profilePath, "profile"+time.Now().Format(time_.TimeMillFormat))
    50  	}
    51  
    52  	return start(profileEnv, profilePath)
    53  	//	profiles := strings.Split(profileEnv, ",")
    54  	/*
    55  		for _, pf := range profiles {
    56  			start(pf)
    57  		}
    58  	*/
    59  }
    60  
    61  func start(pf, dir string) interface {
    62  	Stop()
    63  } {
    64  	switch strings.ToLower(pf) {
    65  	case "cpu":
    66  		return profile.Start(profile.CPUProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    67  	case "mem":
    68  		return profile.Start(profile.MemProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    69  	case "mutex":
    70  		return profile.Start(profile.MutexProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    71  	case "block":
    72  		return profile.Start(profile.BlockProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    73  	case "trace":
    74  		return profile.Start(profile.TraceProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    75  	case "thread_create":
    76  		return profile.Start(profile.ThreadcreationProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    77  	case "goroutine":
    78  		return profile.Start(profile.GoroutineProfile, profile.NoShutdownHook, profile.ProfilePath(dir))
    79  	default:
    80  		//do nothing
    81  		return new(nop)
    82  	}
    83  }