k3s/pkg/profile/profile.go

39 lines
1.1 KiB
Go

package profile
import (
"context"
"errors"
"net/http/pprof"
"github.com/gorilla/mux"
"github.com/k3s-io/k3s/pkg/agent/https"
"github.com/k3s-io/k3s/pkg/daemons/config"
)
// DefaultProfiler the default instance of a performance profiling server
var DefaultProfiler = &Config{
Router: func(context.Context, *config.Node) (*mux.Router, error) {
return nil, errors.New("not implemented")
},
}
// Config holds fields for the pprof listener
type Config struct {
// Router will be called to add the pprof API handler to an existing router.
Router https.RouterFunc
}
// Start starts binds the pprof API to an existing HTTP router.
func (c *Config) Start(ctx context.Context, nodeConfig *config.Node) error {
mRouter, err := c.Router(ctx, nodeConfig)
if err != nil {
return err
}
mRouter.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
mRouter.HandleFunc("/debug/pprof/profile", pprof.Profile)
mRouter.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
mRouter.HandleFunc("/debug/pprof/trace", pprof.Trace)
mRouter.PathPrefix("/debug/pprof/").HandlerFunc(pprof.Index)
return nil
}