diff options
Diffstat (limited to 'third_party/tcmalloc/chromium/src/heap-profiler.cc')
| -rw-r--r-- | third_party/tcmalloc/chromium/src/heap-profiler.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/tcmalloc/chromium/src/heap-profiler.cc b/third_party/tcmalloc/chromium/src/heap-profiler.cc index 42a5190..1c88fd6 100644 --- a/third_party/tcmalloc/chromium/src/heap-profiler.cc +++ b/third_party/tcmalloc/chromium/src/heap-profiler.cc @@ -107,6 +107,10 @@ DEFINE_int64(heap_profile_inuse_interval, "If non-zero, dump heap profiling information whenever " "the high-water memory usage mark increases by the specified " "number of bytes."); +DEFINE_int64(heap_profile_time_interval, + EnvToInt64("HEAP_PROFILE_TIME_INTERVAL", 0), + "If non-zero, dump heap profiling information once every " + "specified number of seconds since the last dump."); DEFINE_bool(mmap_log, EnvToBool("HEAP_PROFILE_MMAP_LOG", false), "Should mmap/munmap calls be logged?"); @@ -172,6 +176,7 @@ static int dump_count = 0; // How many dumps so far static int64 last_dump_alloc = 0; // alloc_size when did we last dump static int64 last_dump_free = 0; // free_size when did we last dump static int64 high_water_mark = 0; // In-use-bytes at last high-water dump +static int64 last_dump_time = 0; // The time of the last dump static HeapProfileTable* heap_profile = NULL; // the heap profile table @@ -294,6 +299,7 @@ static void MaybeDumpProfileLocked() { const int64 inuse_bytes = total.alloc_size - total.free_size; bool need_to_dump = false; char buf[128]; + int64 current_time = time(NULL); if (FLAGS_heap_profile_allocation_interval > 0 && total.alloc_size >= last_dump_alloc + FLAGS_heap_profile_allocation_interval) { @@ -314,6 +320,13 @@ static void MaybeDumpProfileLocked() { snprintf(buf, sizeof(buf), "%"PRId64" MB currently in use", inuse_bytes >> 20); need_to_dump = true; + } else if (FLAGS_heap_profile_time_interval > 0 && + current_time - last_dump_time >= + FLAGS_heap_profile_time_interval) { + snprintf(buf, sizeof(buf), "%d sec since the last dump", + current_time - last_dump_time); + need_to_dump = true; + last_dump_time = current_time; } if (need_to_dump) { DumpProfileLocked(buf); @@ -474,6 +487,7 @@ extern "C" void HeapProfilerStart(const char* prefix) { last_dump_alloc = 0; last_dump_free = 0; high_water_mark = 0; + last_dump_time = 0; // We do not reset dump_count so if the user does a sequence of // HeapProfilerStart/HeapProfileStop, we will get a continuous |