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benchmark/tools/libpfm.BUILD.bazel

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[bazel] Build libpfm as a dependency to allow collection of perf counters (#1408) * 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>
2022-10-31 11:03:59 +00:00
# Build rule for libpfm, which is required to collect performance counters for
# BENCHMARK_ENABLE_LIBPFM builds.
load("@rules_foreign_cc//foreign_cc:defs.bzl", "make")
filegroup(
name = "pfm_srcs",
srcs = glob(["**"]),
)
make(
name = "libpfm",
lib_source = ":pfm_srcs",
lib_name = "libpfm",
copts = [
"-Wno-format-truncation",
make libpfm dep work for integrators
2023-03-16 10:16:23 +00:00
"-Wno-use-after-free",
[bazel] Build libpfm as a dependency to allow collection of perf counters (#1408) * 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>
2022-10-31 11:03:59 +00:00
],
visibility = [
"//visibility:public",
],
)