client_golang/prometheus/internal/metric.go

102 lines
3.0 KiB
Go
Raw Normal View History

// Copyright 2018 The Prometheus 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.
package internal
import (
"sort"
dto "github.com/prometheus/client_model/go"
)
Added Transactional Gatherer allowed cached solutions (#989) * Added cached collector. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> update. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Attempt 2 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added blocking registry, with raw collector and transactional handler. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added fast path to normal (empty) registry to save 8 allocs and 3K5B per Gather. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified API, added tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Fix. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified implementation. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added benchmark. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Optimized. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Revert "Optimization attempt." This reverts commit 2fcaf51be9a12b4b95413b6b3e0c13fabfaaf73f. Optimization was not worth it: benchstat v1.txt v2.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 2.64µs ± 0% 4.05µs ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 701ms ± 0% 358ms ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 535µs ± 0% 703934µs ± 0% ~ (p=1.000 n=1+1) name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 40.2MB ± 0% 41.1MB ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 48.6kB ± 0% 84.3kB ± 0% ~ (p=1.000 n=1+1) name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 6.00 ± 0% 4003.00 ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 1.00k ± 0% 2.01k ± 0% ~ (p=1.000 n=1+1) * nit. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Another optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * rename and further optimization. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Hopefully final optimization. benchstat -delta-test=none v6.txt v9.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 13.1ms ± 0% 0.0ms ± 0% -99.81% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 309ms ± 0% 282ms ± 0% -8.77% CachedTGatherer_Update/Gather-12 422ms ± 0% 0ms ± 0% -99.95% name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 2.47kB ± 0% 1.67kB ± 0% -32.56% CachedTGatherer_Update/Gather-12 52.8kB ± 0% 24.6kB ± 0% -53.34% name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 0.00 0.00 0.00% CachedTGatherer_Update/Gather-12 1.00k ± 0% 0.00k ± 0% -99.60% Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed obsolete comment Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Re-add cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2022-02-23 14:22:52 +03:00
// LabelPairSorter implements sort.Interface. It is used to sort a slice of
// dto.LabelPair pointers.
type LabelPairSorter []*dto.LabelPair
Added Transactional Gatherer allowed cached solutions (#989) * Added cached collector. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> update. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Attempt 2 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added blocking registry, with raw collector and transactional handler. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added fast path to normal (empty) registry to save 8 allocs and 3K5B per Gather. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified API, added tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Fix. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified implementation. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added benchmark. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Optimized. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Revert "Optimization attempt." This reverts commit 2fcaf51be9a12b4b95413b6b3e0c13fabfaaf73f. Optimization was not worth it: benchstat v1.txt v2.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 2.64µs ± 0% 4.05µs ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 701ms ± 0% 358ms ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 535µs ± 0% 703934µs ± 0% ~ (p=1.000 n=1+1) name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 40.2MB ± 0% 41.1MB ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 48.6kB ± 0% 84.3kB ± 0% ~ (p=1.000 n=1+1) name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 6.00 ± 0% 4003.00 ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 1.00k ± 0% 2.01k ± 0% ~ (p=1.000 n=1+1) * nit. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Another optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * rename and further optimization. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Hopefully final optimization. benchstat -delta-test=none v6.txt v9.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 13.1ms ± 0% 0.0ms ± 0% -99.81% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 309ms ± 0% 282ms ± 0% -8.77% CachedTGatherer_Update/Gather-12 422ms ± 0% 0ms ± 0% -99.95% name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 2.47kB ± 0% 1.67kB ± 0% -32.56% CachedTGatherer_Update/Gather-12 52.8kB ± 0% 24.6kB ± 0% -53.34% name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 0.00 0.00 0.00% CachedTGatherer_Update/Gather-12 1.00k ± 0% 0.00k ± 0% -99.60% Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed obsolete comment Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Re-add cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2022-02-23 14:22:52 +03:00
func (s LabelPairSorter) Len() int {
return len(s)
}
Added Transactional Gatherer allowed cached solutions (#989) * Added cached collector. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> update. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Attempt 2 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added blocking registry, with raw collector and transactional handler. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added fast path to normal (empty) registry to save 8 allocs and 3K5B per Gather. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified API, added tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Fix. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified implementation. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added benchmark. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Optimized. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Revert "Optimization attempt." This reverts commit 2fcaf51be9a12b4b95413b6b3e0c13fabfaaf73f. Optimization was not worth it: benchstat v1.txt v2.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 2.64µs ± 0% 4.05µs ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 701ms ± 0% 358ms ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 535µs ± 0% 703934µs ± 0% ~ (p=1.000 n=1+1) name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 40.2MB ± 0% 41.1MB ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 48.6kB ± 0% 84.3kB ± 0% ~ (p=1.000 n=1+1) name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 6.00 ± 0% 4003.00 ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 1.00k ± 0% 2.01k ± 0% ~ (p=1.000 n=1+1) * nit. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Another optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * rename and further optimization. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Hopefully final optimization. benchstat -delta-test=none v6.txt v9.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 13.1ms ± 0% 0.0ms ± 0% -99.81% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 309ms ± 0% 282ms ± 0% -8.77% CachedTGatherer_Update/Gather-12 422ms ± 0% 0ms ± 0% -99.95% name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 2.47kB ± 0% 1.67kB ± 0% -32.56% CachedTGatherer_Update/Gather-12 52.8kB ± 0% 24.6kB ± 0% -53.34% name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 0.00 0.00 0.00% CachedTGatherer_Update/Gather-12 1.00k ± 0% 0.00k ± 0% -99.60% Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed obsolete comment Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Re-add cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2022-02-23 14:22:52 +03:00
func (s LabelPairSorter) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
Added Transactional Gatherer allowed cached solutions (#989) * Added cached collector. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> update. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Attempt 2 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added blocking registry, with raw collector and transactional handler. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added fast path to normal (empty) registry to save 8 allocs and 3K5B per Gather. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified API, added tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Fix. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified implementation. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added benchmark. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Optimized. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Revert "Optimization attempt." This reverts commit 2fcaf51be9a12b4b95413b6b3e0c13fabfaaf73f. Optimization was not worth it: benchstat v1.txt v2.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 2.64µs ± 0% 4.05µs ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 701ms ± 0% 358ms ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 535µs ± 0% 703934µs ± 0% ~ (p=1.000 n=1+1) name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 40.2MB ± 0% 41.1MB ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 48.6kB ± 0% 84.3kB ± 0% ~ (p=1.000 n=1+1) name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 6.00 ± 0% 4003.00 ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 1.00k ± 0% 2.01k ± 0% ~ (p=1.000 n=1+1) * nit. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Another optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * rename and further optimization. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Hopefully final optimization. benchstat -delta-test=none v6.txt v9.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 13.1ms ± 0% 0.0ms ± 0% -99.81% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 309ms ± 0% 282ms ± 0% -8.77% CachedTGatherer_Update/Gather-12 422ms ± 0% 0ms ± 0% -99.95% name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 2.47kB ± 0% 1.67kB ± 0% -32.56% CachedTGatherer_Update/Gather-12 52.8kB ± 0% 24.6kB ± 0% -53.34% name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 0.00 0.00 0.00% CachedTGatherer_Update/Gather-12 1.00k ± 0% 0.00k ± 0% -99.60% Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed obsolete comment Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Re-add cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2022-02-23 14:22:52 +03:00
func (s LabelPairSorter) Less(i, j int) bool {
return s[i].GetName() < s[j].GetName()
}
// MetricSorter is a sortable slice of *dto.Metric.
type MetricSorter []*dto.Metric
func (s MetricSorter) Len() int {
return len(s)
}
func (s MetricSorter) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s MetricSorter) Less(i, j int) bool {
if len(s[i].Label) != len(s[j].Label) {
// This should not happen. The metrics are
// inconsistent. However, we have to deal with the fact, as
// people might use custom collectors or metric family injection
// to create inconsistent metrics. So let's simply compare the
// number of labels in this case. That will still yield
// reproducible sorting.
return len(s[i].Label) < len(s[j].Label)
}
for n, lp := range s[i].Label {
vi := lp.GetValue()
vj := s[j].Label[n].GetValue()
if vi != vj {
return vi < vj
}
}
// We should never arrive here. Multiple metrics with the same
// label set in the same scrape will lead to undefined ingestion
// behavior. However, as above, we have to provide stable sorting
// here, even for inconsistent metrics. So sort equal metrics
// by their timestamp, with missing timestamps (implying "now")
// coming last.
if s[i].TimestampMs == nil {
return false
}
if s[j].TimestampMs == nil {
return true
}
return s[i].GetTimestampMs() < s[j].GetTimestampMs()
}
// NormalizeMetricFamilies returns a MetricFamily slice with empty
// MetricFamilies pruned and the remaining MetricFamilies sorted by name within
// the slice, with the contained Metrics sorted within each MetricFamily.
func NormalizeMetricFamilies(metricFamiliesByName map[string]*dto.MetricFamily) []*dto.MetricFamily {
for _, mf := range metricFamiliesByName {
Added Transactional Gatherer allowed cached solutions (#989) * Added cached collector. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> update. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Attempt 2 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added blocking registry, with raw collector and transactional handler. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added fast path to normal (empty) registry to save 8 allocs and 3K5B per Gather. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified API, added tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Fix. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Simplified implementation. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Added benchmark. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> Optimized. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Revert "Optimization attempt." This reverts commit 2fcaf51be9a12b4b95413b6b3e0c13fabfaaf73f. Optimization was not worth it: benchstat v1.txt v2.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 2.64µs ± 0% 4.05µs ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 701ms ± 0% 358ms ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 535µs ± 0% 703934µs ± 0% ~ (p=1.000 n=1+1) name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 40.2MB ± 0% 41.1MB ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 48.6kB ± 0% 84.3kB ± 0% ~ (p=1.000 n=1+1) name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% ~ (all equal) CachedTGatherer_Update/Update_of_all_elements_with_reset-12 6.00 ± 0% 4003.00 ± 0% ~ (p=1.000 n=1+1) CachedTGatherer_Update/Gather-12 1.00k ± 0% 2.01k ± 0% ~ (p=1.000 n=1+1) * nit. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Another optimization attempt. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * rename and further optimization. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Hopefully final optimization. benchstat -delta-test=none v6.txt v9.txt name old time/op new time/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 13.1ms ± 0% 0.0ms ± 0% -99.81% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 309ms ± 0% 282ms ± 0% -8.77% CachedTGatherer_Update/Gather-12 422ms ± 0% 0ms ± 0% -99.95% name old alloc/op new alloc/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 208B ± 0% 208B ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 2.47kB ± 0% 1.67kB ± 0% -32.56% CachedTGatherer_Update/Gather-12 52.8kB ± 0% 24.6kB ± 0% -53.34% name old allocs/op new allocs/op delta CachedTGatherer_Update/Update_of_one_element_without_reset-12 3.00 ± 0% 3.00 ± 0% 0.00% CachedTGatherer_Update/Update_of_all_elements_with_reset-12 0.00 0.00 0.00% CachedTGatherer_Update/Gather-12 1.00k ± 0% 0.00k ± 0% -99.60% Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed obsolete comment Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Fixed tests. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Re-add cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed cache. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2022-02-23 14:22:52 +03:00
sort.Sort(MetricSorter(mf.Metric))
}
names := make([]string, 0, len(metricFamiliesByName))
for name, mf := range metricFamiliesByName {
if len(mf.Metric) > 0 {
names = append(names, name)
}
}
sort.Strings(names)
result := make([]*dto.MetricFamily, 0, len(names))
for _, name := range names {
result = append(result, metricFamiliesByName[name])
}
return result
}