mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2026-06-03 18:35:08 +02:00

T

Joe Schafer 49be00144e trace: optimize id parsing and string functions (#6791 )

With specialized routines, we can avoid the allocation of
hex.DecodeString since we know the structure of the IDs.

We can use `==` instead of bytes.Equal for arrays. From the Go [spec]:

> Array types are comparable if their array element types are
comparable. Two
> array values are equal if their corresponding element values are
equal. The
> elements are compared in ascending index order, and comparison stops
as soon
> as two element values differ (or all elements have been compared).

[spec]: https://go.dev/ref/spec#Comparison_operators

### Benchstat

To generate:
```sh
mkdir private
cd sdk
go test -run=xxxxMatchNothingxxxx -bench=. -count=10 go.opentelemetry.io/otel/sdk/trace -timeout=30m | tee ../private/base.txt
go test -run=xxxxMatchNothingxxxx -bench=. -count=10 go.opentelemetry.io/otel/sdk/trace -timeout=30m | tee ../private/new.txt
benchstat ../private/base.txt ../private/new.txt
```

### Results as of 2025-08-21
```
goos: darwin
goarch: arm64
pkg: go.opentelemetry.io/otel/sdk/trace
cpu: Apple M2 Max
                                              │ ../private/base.txt │          ../private/new.txt           │
                                              │       sec/op        │    sec/op      vs base                │
Truncate/Unlimited-12                                 0.2274n ±  2%   0.2262n ±  1%        ~ (p=0.971 n=10)
Truncate/Zero-12                                      0.3252n ±  1%   0.3267n ±  1%        ~ (p=0.171 n=10)
Truncate/Short-12                                     0.2250n ±  1%   0.2247n ±  1%        ~ (p=0.897 n=10)
Truncate/ASCII-12                                     0.7280n ±  0%   0.7297n ±  0%        ~ (p=0.159 n=10)
Truncate/ValidUTF-8-12                                 1.373n ±  3%    1.376n ±  9%        ~ (p=0.084 n=10)
Truncate/InvalidUTF-8-12                               9.605n ±  4%    9.724n ±  7%        ~ (p=0.289 n=10)
Truncate/MixedUTF-8-12                                 17.54n ±  2%    17.56n ±  1%        ~ (p=0.839 n=10)
RecordingSpanSetAttributes/WithLimit/false-12          2.046µ ±  1%    2.055µ ±  1%        ~ (p=0.383 n=10)
RecordingSpanSetAttributes/WithLimit/true-12           4.329µ ±  0%    4.335µ ±  0%        ~ (p=0.108 n=10)
SpanEnd-12                                             90.10n ± 30%   102.26n ± 20%        ~ (p=0.143 n=10)
TraceStart/with_a_simple_span-12                       300.4n ±  7%    290.1n ±  4%        ~ (p=0.353 n=10)
TraceStart/with_several_links-12                       416.8n ±  3%    407.0n ±  2%   -2.34% (p=0.014 n=10)
TraceStart/with_attributes-12                          460.6n ±  1%    446.5n ±  2%   -3.04% (p=0.000 n=10)
SpanLimits/AttributeValueLengthLimit-12                4.425µ ±  3%    4.254µ ±  1%   -3.86% (p=0.000 n=10)
SpanLimits/AttributeCountLimit-12                      4.138µ ±  1%    3.986µ ±  1%   -3.65% (p=0.000 n=10)
SpanLimits/EventCountLimit-12                          3.926µ ±  1%    3.780µ ±  1%   -3.73% (p=0.000 n=10)
SpanLimits/LinkCountLimit-12                           3.879µ ±  1%    3.738µ ±  1%   -3.64% (p=0.000 n=10)
SpanLimits/AttributePerEventCountLimit-12              4.249µ ±  1%    4.216µ ±  1%        ~ (p=0.066 n=10)
SpanLimits/AttributePerLinkCountLimit-12               4.175µ ±  1%    4.226µ ±  0%   +1.22% (p=0.037 n=10)
SpanSetAttributesOverCapacity-12                       1.648µ ±  0%    1.635µ ±  6%        ~ (p=0.382 n=10)
StartEndSpan/AlwaysSample-12                           305.3n ±  1%    298.9n ±  2%   -2.10% (p=0.045 n=10)
StartEndSpan/NeverSample-12                            137.0n ±  0%    132.9n ±  0%   -3.03% (p=0.000 n=10)
SpanWithAttributes_4/AlwaysSample-12                   516.3n ±  1%    507.6n ±  0%   -1.68% (p=0.000 n=10)
SpanWithAttributes_4/NeverSample-12                    228.7n ±  1%    221.8n ±  1%   -3.00% (p=0.000 n=10)
SpanWithAttributes_8/AlwaysSample-12                   706.6n ±  1%    689.0n ±  0%   -2.50% (p=0.000 n=10)
SpanWithAttributes_8/NeverSample-12                    313.0n ±  1%    307.1n ±  0%   -1.87% (p=0.000 n=10)
SpanWithAttributes_all/AlwaysSample-12                 565.0n ±  1%    560.8n ±  0%   -0.75% (p=0.002 n=10)
SpanWithAttributes_all/NeverSample-12                  251.2n ±  1%    247.5n ±  4%   -1.45% (p=0.034 n=10)
SpanWithAttributes_all_2x/AlwaysSample-12              823.4n ±  1%    812.0n ±  1%   -1.39% (p=0.028 n=10)
SpanWithAttributes_all_2x/NeverSample-12               368.8n ±  1%    360.6n ±  0%   -2.22% (p=0.000 n=10)
SpanWithEvents_4/AlwaysSample-12                       709.3n ±  0%    699.6n ±  0%   -1.37% (p=0.000 n=10)
SpanWithEvents_4/NeverSample-12                        139.4n ±  0%    137.0n ±  0%   -1.72% (p=0.000 n=10)
SpanWithEvents_8/AlwaysSample-12                       1.091µ ±  1%    1.073µ ±  0%   -1.60% (p=0.000 n=10)
SpanWithEvents_8/NeverSample-12                        142.1n ±  0%    140.1n ±  0%   -1.41% (p=0.000 n=10)
SpanWithEvents_WithStackTrace/AlwaysSample-12          424.6n ±  0%    417.9n ±  0%   -1.57% (p=0.000 n=10)
SpanWithEvents_WithStackTrace/NeverSample-12           151.3n ±  0%    148.1n ±  0%   -2.15% (p=0.000 n=10)
SpanWithEvents_WithTimestamp/AlwaysSample-12           412.6n ±  0%    407.6n ±  0%   -1.19% (p=0.000 n=10)
SpanWithEvents_WithTimestamp/NeverSample-12            174.5n ±  0%    172.7n ±  0%   -1.03% (p=0.000 n=10)
TraceIDFromHex-12                                      57.22n ±  0%    15.88n ±  0%  -72.25% (p=0.000 n=10)
SpanIDFromHex-12                                      35.000n ±  0%    8.676n ±  0%  -75.21% (p=0.000 n=10)
TraceID_DotString-12                                   42.39n ±  0%    24.22n ±  0%  -42.85% (p=0.000 n=10)
SpanID_DotString-12                                    31.41n ±  0%    16.98n ±  0%  -45.94% (p=0.000 n=10)
SpanProcessorOnEnd/batch:_10,_spans:_10-12             164.0n ±  0%    163.8n ±  0%   -0.12% (p=0.021 n=10)
SpanProcessorOnEnd/batch:_10,_spans:_100-12            1.640µ ±  0%    1.637µ ±  0%   -0.18% (p=0.016 n=10)
SpanProcessorOnEnd/batch:_100,_spans:_10-12            164.0n ±  0%    163.7n ±  0%   -0.18% (p=0.000 n=10)
SpanProcessorOnEnd/batch:_100,_spans:_100-12           1.641µ ±  0%    1.636µ ±  0%   -0.30% (p=0.000 n=10)
SpanProcessorVerboseLogging-12                         6.413µ ±  2%    6.444µ ±  5%        ~ (p=0.424 n=10)
geomean                                                204.9n          187.0n         -8.69%

                                              │ ../private/base.txt │            ../private/new.txt             │
                                              │        B/op         │     B/op      vs base                     │
Truncate/Unlimited-12                                  0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/Zero-12                                       0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/Short-12                                      0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/ASCII-12                                      0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/ValidUTF-8-12                                 0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/InvalidUTF-8-12                               16.00 ± 0%       16.00 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/MixedUTF-8-12                                 32.00 ± 0%       32.00 ± 0%         ~ (p=1.000 n=10) ¹
RecordingSpanSetAttributes/WithLimit/false-12        6.891Ki ± 0%     6.891Ki ± 0%         ~ (p=1.000 n=10) ¹
RecordingSpanSetAttributes/WithLimit/true-12         7.023Ki ± 0%     7.023Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanEnd-12                                             0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_a_simple_span-12                       528.0 ± 0%       528.0 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_several_links-12                       704.0 ± 0%       704.0 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_attributes-12                          784.0 ± 0%       784.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributeValueLengthLimit-12              10.56Ki ± 0%     10.56Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributeCountLimit-12                    9.844Ki ± 0%     9.844Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/EventCountLimit-12                        9.422Ki ± 0%     9.422Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/LinkCountLimit-12                         9.031Ki ± 0%     9.031Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributePerEventCountLimit-12            10.47Ki ± 0%     10.47Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributePerLinkCountLimit-12             10.47Ki ± 0%     10.47Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanSetAttributesOverCapacity-12                       592.0 ± 0%       592.0 ± 0%         ~ (p=1.000 n=10) ¹
StartEndSpan/AlwaysSample-12                           528.0 ± 0%       528.0 ± 0%         ~ (p=1.000 n=10) ¹
StartEndSpan/NeverSample-12                            144.0 ± 0%       144.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_4/AlwaysSample-12                 1.016Ki ± 0%     1.016Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_4/NeverSample-12                    400.0 ± 0%       400.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_8/AlwaysSample-12                 1.516Ki ± 0%     1.516Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_8/NeverSample-12                    656.0 ± 0%       656.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all/AlwaysSample-12               1.141Ki ± 0%     1.141Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all/NeverSample-12                  464.0 ± 0%       464.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all_2x/AlwaysSample-12            1.891Ki ± 0%     1.891Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all_2x/NeverSample-12               848.0 ± 0%       848.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_4/AlwaysSample-12                     1.016Ki ± 0%     1.016Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_4/NeverSample-12                        144.0 ± 0%       144.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_8/AlwaysSample-12                     1.641Ki ± 0%     1.641Ki ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_8/NeverSample-12                        144.0 ± 0%       144.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithStackTrace/AlwaysSample-12          624.0 ± 0%       624.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithStackTrace/NeverSample-12           160.0 ± 0%       160.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithTimestamp/AlwaysSample-12           648.0 ± 0%       648.0 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithTimestamp/NeverSample-12            184.0 ± 0%       184.0 ± 0%         ~ (p=1.000 n=10) ¹
TraceIDFromHex-12                                      16.00 ± 0%        0.00 ± 0%  -100.00% (p=0.000 n=10)
SpanIDFromHex-12                                       8.000 ± 0%       0.000 ± 0%  -100.00% (p=0.000 n=10)
SpanProcessorOnEnd/batch:_10,_spans:_10-12             0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_10,_spans:_100-12            0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_100,_spans:_10-12            0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_100,_spans:_100-12           0.000 ± 0%       0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorVerboseLogging-12                       9.562Ki ± 0%     9.562Ki ± 0%         ~ (p=1.000 n=10) ¹
geomean                                                           ²                 ?                       ² ³
¹ all samples are equal
² summaries must be >0 to compute geomean
³ ratios must be >0 to compute geomean

                                              │ ../private/base.txt │           ../private/new.txt            │
                                              │      allocs/op      │ allocs/op   vs base                     │
Truncate/Unlimited-12                                  0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/Zero-12                                       0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/Short-12                                      0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/ASCII-12                                      0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/ValidUTF-8-12                                 0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/InvalidUTF-8-12                               1.000 ± 0%     1.000 ± 0%         ~ (p=1.000 n=10) ¹
Truncate/MixedUTF-8-12                                 1.000 ± 0%     1.000 ± 0%         ~ (p=1.000 n=10) ¹
RecordingSpanSetAttributes/WithLimit/false-12          3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
RecordingSpanSetAttributes/WithLimit/true-12           10.00 ± 0%     10.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanEnd-12                                             0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_a_simple_span-12                       2.000 ± 0%     2.000 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_several_links-12                       3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
TraceStart/with_attributes-12                          4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributeValueLengthLimit-12                41.00 ± 0%     41.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributeCountLimit-12                      38.00 ± 0%     38.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/EventCountLimit-12                          35.00 ± 0%     35.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/LinkCountLimit-12                           35.00 ± 0%     35.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributePerEventCountLimit-12              38.00 ± 0%     38.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanLimits/AttributePerLinkCountLimit-12               38.00 ± 0%     38.00 ± 0%         ~ (p=1.000 n=10) ¹
SpanSetAttributesOverCapacity-12                       3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
StartEndSpan/AlwaysSample-12                           2.000 ± 0%     2.000 ± 0%         ~ (p=1.000 n=10) ¹
StartEndSpan/NeverSample-12                            2.000 ± 0%     2.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_4/AlwaysSample-12                   4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_4/NeverSample-12                    3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_8/AlwaysSample-12                   4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_8/NeverSample-12                    3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all/AlwaysSample-12                 4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all/NeverSample-12                  3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all_2x/AlwaysSample-12              4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithAttributes_all_2x/NeverSample-12               3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_4/AlwaysSample-12                       5.000 ± 0%     5.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_4/NeverSample-12                        2.000 ± 0%     2.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_8/AlwaysSample-12                       6.000 ± 0%     6.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_8/NeverSample-12                        2.000 ± 0%     2.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithStackTrace/AlwaysSample-12          4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithStackTrace/NeverSample-12           3.000 ± 0%     3.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithTimestamp/AlwaysSample-12           5.000 ± 0%     5.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanWithEvents_WithTimestamp/NeverSample-12            4.000 ± 0%     4.000 ± 0%         ~ (p=1.000 n=10) ¹
TraceIDFromHex-12                                      1.000 ± 0%     0.000 ± 0%  -100.00% (p=0.000 n=10)
SpanIDFromHex-12                                       1.000 ± 0%     0.000 ± 0%  -100.00% (p=0.000 n=10)
SpanProcessorOnEnd/batch:_10,_spans:_10-12             0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_10,_spans:_100-12            0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_100,_spans:_10-12            0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorOnEnd/batch:_100,_spans:_100-12           0.000 ± 0%     0.000 ± 0%         ~ (p=1.000 n=10) ¹
SpanProcessorVerboseLogging-12                         36.00 ± 0%     36.00 ± 0%         ~ (p=1.000 n=10) ¹
geomean                                                           ²               ?                       ² ³
¹ all samples are equal
² summaries must be >0 to compute geomean
³ ratios must be >0 to compute geomean
```

Issue: #6721

2025-08-26 14:54:11 +02:00

.github

chore(deps): update lycheeverse/lychee-action action to v2.6.1 (#7243 )

2025-08-25 14:54:48 +02:00

attribute

Fix minor grammatical error in Distinct docs (#7203 )

2025-08-18 12:24:26 +02:00

baggage

chore: enable gocritic linter (#7095 )

2025-07-29 09:20:32 -07:00

bridge

fix(deps): update google.golang.org/genproto/googleapis/rpc digest to c5933d9 (#7246 )

2025-08-25 18:48:10 +02:00

codes

Modernize (#7089 )

2025-07-29 10:19:11 +02:00

exporters

chore(deps): update google.golang.org/genproto/googleapis/api digest to c5933d9 (#7250 )

2025-08-25 16:05:18 -07:00

internal

fix: correct package import paths (#7244 )

2025-08-25 17:51:06 +02:00

log

fix(deps): update module github.com/stretchr/testify to v1.11.0 (#7242 )

2025-08-25 14:38:44 +02:00

metric

[chore] Upgrade semconv pkg use to v1.36.0 (#7237 )

2025-08-25 16:33:34 +02:00

propagation

chore: enable unused-receiver rule from revive (#7130 )

2025-08-08 15:38:22 -07:00

schema

fix(deps): update module github.com/stretchr/testify to v1.11.0 (#7242 )

2025-08-25 14:38:44 +02:00

sdk

trace: optimize id parsing and string functions (#6791 )

2025-08-26 14:54:11 +02:00

semconv

Add copyright header to generated semconv packages (#7248 )

2025-08-26 08:20:56 +02:00

trace

trace: optimize id parsing and string functions (#6791 )

2025-08-26 14:54:11 +02:00

.clomonitor.yml

Add a CLO monitor exemption for Artifact Hub (#6853 )

2025-05-30 08:53:57 +02:00

.codespellignore

…

.codespellrc

…

.gitattributes

…

.gitignore

Update codespell target (#6223 )

2025-01-29 14:20:03 -08:00

.golangci.yml

chore: enable unused-receiver rule from revive (#7130 )

2025-08-08 15:38:22 -07:00

.lycheeignore

fix: add mock server URL to .lycheeignore (#7090 )

2025-07-28 10:02:26 +02:00

.markdownlint.yaml

…

CHANGELOG.md

trace: optimize id parsing and string functions (#6791 )

2025-08-26 14:54:11 +02:00

CODEOWNERS

Add Flc as an approver (#7053 )

2025-07-23 17:51:03 -07:00

CONTRIBUTING.md

Add security insights document to repository (#7129 )

2025-08-06 14:30:59 -07:00

dependencies.Dockerfile

chore(deps): update otel/weaver docker tag to v0.17.1 (#7207 )

2025-08-15 12:22:46 -07:00

doc.go

Add entry for logs in go.opentelemetry.io/otel package documentation (#5621 )

2024-07-16 08:20:52 +02:00

error_handler.go

…

go.mod

fix(deps): update module github.com/stretchr/testify to v1.11.0 (#7242 )

2025-08-25 14:38:44 +02:00

go.sum

fix(deps): update module github.com/stretchr/testify to v1.11.0 (#7242 )

2025-08-25 14:38:44 +02:00

handler_test.go

…

handler.go

…

internal_logging_test.go

…

internal_logging.go

…

LICENSE

Add contents of the Go license (#6955 )

2025-07-02 09:38:02 +02:00

Makefile

chore(semconv): follow weaver folder structure (#6998 )

2025-07-14 07:24:33 -07:00

metric_test.go

chore: enable unused-parameter rule from revive (#7122 )

2025-08-04 12:48:04 -07:00

metric.go

…

propagation.go

…

README.md

Support Go 1.25 (#7187 )

2025-08-14 10:06:00 +02:00

RELEASING.md

Add release artifacts signing to the release process (#6855 )

2025-06-16 19:30:30 +02:00

renovate.json

Pin GitHub action digest with semver (#6724 )

2025-05-05 16:15:19 +02:00

requirements.txt

chore(deps): update dependency codespell to v2.4.1 (#6221 )

2025-01-28 12:19:19 -08:00

SECURITY-INSIGHTS.yml

Add security insights document to repository (#7129 )

2025-08-06 14:30:59 -07:00

trace_test.go

chore: enable unused-parameter rule from revive (#7122 )

2025-08-04 12:48:04 -07:00

trace.go

…

verify_released_changelog.sh

Fix verify_released_changelog.sh (#5616 )

2024-07-12 07:20:17 +02:00

version_test.go

…

version.go

Release 1.37.0/0.59.0/0.13.0 (#6925 )

2025-06-25 08:41:12 +02:00

VERSIONING.md

[chore] Fix VERSIONING.md missing parenthesis (#5984 )

2024-11-18 09:22:25 -08:00

versions.yaml

Release exporters/prometheus/v0.59.1 (#7056 )

2025-07-21 14:05:53 -04:00

README.md

OpenTelemetry-Go

OpenTelemetry-Go is the Go implementation of OpenTelemetry. It provides a set of APIs to directly measure performance and behavior of your software and send this data to observability platforms.

Project Status

Signal	Status
Traces	Stable
Metrics	Stable
Logs	Beta¹

Progress and status specific to this repository is tracked in our project boards and milestones.

Project versioning information and stability guarantees can be found in the versioning documentation.

Compatibility

OpenTelemetry-Go ensures compatibility with the current supported versions of the Go language:

Each major Go release is supported until there are two newer major releases. For example, Go 1.5 was supported until the Go 1.7 release, and Go 1.6 was supported until the Go 1.8 release.

For versions of Go that are no longer supported upstream, opentelemetry-go will stop ensuring compatibility with these versions in the following manner:

A minor release of opentelemetry-go will be made to add support for the new supported release of Go.
The following minor release of opentelemetry-go will remove compatibility testing for the oldest (now archived upstream) version of Go. This, and future, releases of opentelemetry-go may include features only supported by the currently supported versions of Go.

Currently, this project supports the following environments.

OS	Go Version	Architecture
Ubuntu	1.25	amd64
Ubuntu	1.24	amd64
Ubuntu	1.23	amd64
Ubuntu	1.25	386
Ubuntu	1.24	386
Ubuntu	1.23	386
Ubuntu	1.25	arm64
Ubuntu	1.24	arm64
Ubuntu	1.23	arm64
macOS 13	1.25	amd64
macOS 13	1.24	amd64
macOS 13	1.23	amd64
macOS	1.25	arm64
macOS	1.24	arm64
macOS	1.23	arm64
Windows	1.25	amd64
Windows	1.24	amd64
Windows	1.23	amd64
Windows	1.25	386
Windows	1.24	386
Windows	1.23	386

While this project should work for other systems, no compatibility guarantees are made for those systems currently.

Getting Started

You can find a getting started guide on opentelemetry.io.

OpenTelemetry's goal is to provide a single set of APIs to capture distributed traces and metrics from your application and send them to an observability platform. This project allows you to do just that for applications written in Go. There are two steps to this process: instrument your application, and configure an exporter.

Instrumentation

To start capturing distributed traces and metric events from your application it first needs to be instrumented. The easiest way to do this is by using an instrumentation library for your code. Be sure to check out the officially supported instrumentation libraries.

If you need to extend the telemetry an instrumentation library provides or want to build your own instrumentation for your application directly you will need to use the Go otel package. The examples are a good way to see some practical uses of this process.

Export

Now that your application is instrumented to collect telemetry, it needs an export pipeline to send that telemetry to an observability platform.

All officially supported exporters for the OpenTelemetry project are contained in the exporters directory.

Exporter	Logs	Metrics	Traces
OTLP	✓	✓	✓
Prometheus		✓
stdout	✓	✓	✓
Zipkin			✓

Contributing

See the contributing documentation.

https://github.com/orgs/open-telemetry/projects/43 ↩︎