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// Copyright 2018, OpenCensus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build go1.9
package tag
import (
"context"
"runtime/pprof"
)
func do(ctx context.Context, f func(ctx context.Context)) {
m := FromContext(ctx)
keyvals := make([]string, 0, 2*len(m.m))
for k, v := range m.m {
keyvals = append(keyvals, k.Name(), v)
}
pprof.Do(ctx, pprof.Labels(keyvals...), f)
}
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