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db_bench_tool: basic sys infos for FreeBSD. (#8169)

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Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8169

Reviewed By: riversand963

Differential Revision: D27672457

Pulled By: ajkr

fbshipit-source-id: b40a7ad5d09a754154f28c2574ef9f77c8a131bb
This commit is contained in:
David Carlier 2021-04-09 10:34:01 -07:00 committed by Facebook GitHub Bot
parent 48cd7a3aae
commit 728e5f5750
1 changed files with 17 additions and 1 deletions
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18
tools/db_bench_tool.cc
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@ -23,6 +23,9 @@
#include <mach/mach_host.h>
#include <sys/sysctl.h>
#endif
#ifdef __FreeBSD__
#include <sys/sysctl.h>
#endif
#include <atomic>
#include <cinttypes>
#include <condition_variable>
@ -2638,7 +2641,7 @@ class Benchmark {
fprintf(stderr, "RocksDB: version %d.%d\n",
kMajorVersion, kMinorVersion);
#if defined(__linux) || defined(__APPLE__)
#if defined(__linux) || defined(__APPLE__) || defined(__FreeBSD__)
time_t now = time(nullptr);
char buf[52];
// Lint complains about ctime() usage, so replace it with ctime_r(). The
@ -2696,6 +2699,19 @@ class Benchmark {
fprintf(stderr, "CPU: %d * %s\n", h.max_cpus, cpu_type.c_str());
fprintf(stderr, "CPUCache: %s\n", cache_size.c_str());
}
#elif defined(__FreeBSD__)
int ncpus;
size_t len = sizeof(ncpus);
int mib[2] = {CTL_HW, HW_NCPU};
if (sysctl(mib, 2, &ncpus, &len, nullptr, 0) == 0) {
char cpu_type[16];
len = sizeof(cpu_type) - 1;
mib[1] = HW_MACHINE;
if (sysctl(mib, 2, cpu_type, &len, nullptr, 0) == 0) cpu_type[len] = 0;
fprintf(stderr, "CPU: %d * %s\n", ncpus, cpu_type);
// no programmatic way to get the cache line size except on PPC
}
#endif
#endif
}