benchmark/tools/libpfm.BUILD.bazel

"""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",
        "-Wno-use-after-free",
    ],
    visibility = [
        "//visibility:public",
    ],
)
ci: Update pre-commit hooks (#1905) As a fix, also turn the comment in libpfm's build file into a proper Starlark docstring. Co-authored-by: dominic <510002+dmah42@users.noreply.github.com> 2025-01-13 21:38:59 +08:00			`"""Build rule for libpfm, which is required to collect performance counters for BENCHMARK_ENABLE_LIBPFM builds."""`
[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 19:03:59 +08:00
			`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 18:16:23 +08:00			`"-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 19:03:59 +08:00			`],`
			`visibility = [`
			`"//visibility:public",`
			`],`
			`)`