diff options
Diffstat (limited to 'third_party/tcmalloc/chromium/src/sampler.cc')
| -rw-r--r-- | third_party/tcmalloc/chromium/src/sampler.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/third_party/tcmalloc/chromium/src/sampler.cc b/third_party/tcmalloc/chromium/src/sampler.cc index bdf8779..0ea6df1 100644 --- a/third_party/tcmalloc/chromium/src/sampler.cc +++ b/third_party/tcmalloc/chromium/src/sampler.cc @@ -35,14 +35,15 @@ #include "sampler.h" #include <algorithm> // For min() -#include <cmath> +#include <math.h> +#include "base/commandlineflags.h" using std::min; // The approximate gap in bytes between sampling actions. // I.e., we take one sample approximately once every // tcmalloc_sample_parameter bytes of allocation -// i.e. about once every 512KB. +// i.e. about once every 512KB if value is 1<<19. #ifdef NO_TCMALLOC_SAMPLES DEFINE_int64(tcmalloc_sample_parameter, 0, "Unused: code is compiled with NO_TCMALLOC_SAMPLES"); @@ -50,8 +51,7 @@ DEFINE_int64(tcmalloc_sample_parameter, 0, DEFINE_int64(tcmalloc_sample_parameter, EnvToInt64("TCMALLOC_SAMPLE_PARAMETER", 0), "The approximate gap in bytes between sampling actions. " - "This must be between 1 and 1<<58."); -// Note: there are other places in this file where the number 19 occurs. + "This must be between 1 and 2^58."); #endif namespace tcmalloc { |