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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.value)
- }
- pprof.Do(ctx, pprof.Labels(keyvals...), f)
- }
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