mirror of
https://github.com/google/benchmark.git
synced 2024-12-01 07:16:07 +00:00
398a8ac2e8
* Build libpfm as a dependency to allow collection of perf counters
This commit builds libpfm using rules_foreign_cc and lets the default
build of the benchmark library support perf counter collection without
needing additional work from users.
Tested with a custom target:
```
bazel run \
--override_repository=com_github_google_benchmark=/home/raghu/benchmark \
-c opt :test-bench -- "--benchmark_perf_counters=INSTRUCTIONS,CYCLES"
Using profile: local
<snip>
----------------------------------------------------------------------
Benchmark Time CPU Iterations UserCounters...
----------------------------------------------------------------------
BM_Test 0.279 ns 0.279 ns 1000000000 CYCLES=1.00888 INSTRUCTIONS=2
```
Signed-off-by: Raghu Raja <raghu@enfabrica.net>
* Adding myself to the CONTRIBUTORS file per CLA guidance
Enfabrica has already signed a corporate CLA.
Signed-off-by: Raghu Raja <raghu@enfabrica.net>
Signed-off-by: Raghu Raja <raghu@enfabrica.net>
78 lines
1.8 KiB
Python
78 lines
1.8 KiB
Python
licenses(["notice"])
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config_setting(
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name = "qnx",
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constraint_values = ["@platforms//os:qnx"],
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values = {
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"cpu": "x64_qnx",
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},
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visibility = [":__subpackages__"],
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)
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config_setting(
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name = "windows",
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constraint_values = ["@platforms//os:windows"],
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values = {
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"cpu": "x64_windows",
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},
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visibility = [":__subpackages__"],
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)
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config_setting(
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name = "perfcounters",
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define_values = {
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"pfm": "1",
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},
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visibility = [":__subpackages__"],
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)
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cc_library(
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name = "benchmark",
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srcs = glob(
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[
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"src/*.cc",
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"src/*.h",
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],
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exclude = ["src/benchmark_main.cc"],
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),
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hdrs = [
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"include/benchmark/benchmark.h",
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"include/benchmark/export.h",
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],
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linkopts = select({
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":windows": ["-DEFAULTLIB:shlwapi.lib"],
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"//conditions:default": ["-pthread"],
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}),
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strip_include_prefix = "include",
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visibility = ["//visibility:public"],
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# Only static linking is allowed; no .so will be produced.
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# Using `defines` (i.e. not `local_defines`) means that no
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# dependent rules need to bother about defining the macro.
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linkstatic = True,
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defines = [
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"BENCHMARK_STATIC_DEFINE",
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] + select({
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":perfcounters": ["HAVE_LIBPFM"],
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"//conditions:default": [],
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}),
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deps = select({
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":perfcounters": ["@libpfm//:libpfm"],
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"//conditions:default": [],
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}),
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)
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cc_library(
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name = "benchmark_main",
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srcs = ["src/benchmark_main.cc"],
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hdrs = ["include/benchmark/benchmark.h", "include/benchmark/export.h"],
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strip_include_prefix = "include",
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visibility = ["//visibility:public"],
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deps = [":benchmark"],
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)
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cc_library(
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name = "benchmark_internal_headers",
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hdrs = glob(["src/*.h"]),
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visibility = ["//test:__pkg__"],
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)
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