Fix a bug in PosixClock (#9695)

Summary:
Multiplier here should be 1e6 to get microseconds.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9695

Reviewed By: ajkr

Differential Revision: D34897086

Pulled By: jay-zhuang

fbshipit-source-id: 9c1d0811ea740ba0a007edc2da199edbd000b88b
main
KNOEEE 3 years ago committed by Facebook GitHub Bot
parent cbe303c19b
commit cb4d188a34
  1. 4
      db/compaction/compaction_job.cc
  2. 8
      db/flush_job.cc
  3. 2
      env/env_posix.cc

@ -1315,7 +1315,7 @@ void CompactionJob::ProcessKeyValueCompaction(SubcompactionState* sub_compact) {
}
#endif // !ROCKSDB_LITE
uint64_t prev_cpu_micros = db_options_.clock->CPUNanos() / 1000;
uint64_t prev_cpu_micros = db_options_.clock->CPUMicros();
ColumnFamilyData* cfd = sub_compact->compaction->column_family_data();
@ -1669,7 +1669,7 @@ void CompactionJob::ProcessKeyValueCompaction(SubcompactionState* sub_compact) {
}
sub_compact->compaction_job_stats.cpu_micros =
db_options_.clock->CPUNanos() / 1000 - prev_cpu_micros;
db_options_.clock->CPUMicros() - prev_cpu_micros;
if (measure_io_stats_) {
sub_compact->compaction_job_stats.file_write_nanos +=

@ -361,7 +361,7 @@ Status FlushJob::MemPurge() {
// Measure purging time.
const uint64_t start_micros = clock_->NowMicros();
const uint64_t start_cpu_micros = clock_->CPUNanos() / 1000;
const uint64_t start_cpu_micros = clock_->CPUMicros();
MemTable* new_mem = nullptr;
// For performance/log investigation purposes:
@ -614,7 +614,7 @@ Status FlushJob::MemPurge() {
TEST_SYNC_POINT("DBImpl::FlushJob:MemPurgeUnsuccessful");
}
const uint64_t micros = clock_->NowMicros() - start_micros;
const uint64_t cpu_micros = clock_->CPUNanos() / 1000 - start_cpu_micros;
const uint64_t cpu_micros = clock_->CPUMicros() - start_cpu_micros;
ROCKS_LOG_INFO(db_options_.info_log,
"[%s] [JOB %d] Mempurge lasted %" PRIu64
" microseconds, and %" PRIu64
@ -800,7 +800,7 @@ Status FlushJob::WriteLevel0Table() {
ThreadStatus::STAGE_FLUSH_WRITE_L0);
db_mutex_->AssertHeld();
const uint64_t start_micros = clock_->NowMicros();
const uint64_t start_cpu_micros = clock_->CPUNanos() / 1000;
const uint64_t start_cpu_micros = clock_->CPUMicros();
Status s;
std::vector<BlobFileAddition> blob_file_additions;
@ -993,7 +993,7 @@ Status FlushJob::WriteLevel0Table() {
// Note that here we treat flush as level 0 compaction in internal stats
InternalStats::CompactionStats stats(CompactionReason::kFlush, 1);
const uint64_t micros = clock_->NowMicros() - start_micros;
const uint64_t cpu_micros = clock_->CPUNanos() / 1000 - start_cpu_micros;
const uint64_t cpu_micros = clock_->CPUMicros() - start_cpu_micros;
stats.micros = micros;
stats.cpu_micros = cpu_micros;

2
env/env_posix.cc vendored

@ -166,7 +166,7 @@ class PosixClock : public SystemClock {
defined(OS_AIX) || (defined(__MACH__) && defined(__MAC_10_12))
struct timespec ts;
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
return static_cast<uint64_t>(ts.tv_sec) * 1000000000;
return (static_cast<uint64_t>(ts.tv_sec) * 1000000000 + ts.tv_nsec) / 1000;
#endif
return 0;
}

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