diff options
Diffstat (limited to 'gcc/timevar.c')
| -rw-r--r-- | gcc/timevar.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/gcc/timevar.c b/gcc/timevar.c index ffcd9e0..589b59c 100644 --- a/gcc/timevar.c +++ b/gcc/timevar.c @@ -115,6 +115,15 @@ static double clocks_to_msec; bool timevar_enable; +/* Total amount of memory allocated by garbage collector. */ + +size_t timevar_ggc_mem_total; + +/* The amount of memory that will cause us to report the timevar even + if the time spent is not significant. */ + +#define GGC_MEM_BOUND (1 << 20) + /* See timevar.h for an explanation of timing variables. */ /* A timing variable. */ @@ -183,6 +192,7 @@ get_time (struct timevar_time_def *now) now->user = 0; now->sys = 0; now->wall = 0; + now->ggc_mem = timevar_ggc_mem_total; if (!timevar_enable) return; @@ -216,6 +226,7 @@ timevar_accumulate (struct timevar_time_def *timer, timer->user += stop_time->user - start_time->user; timer->sys += stop_time->sys - start_time->sys; timer->wall += stop_time->wall - start_time->wall; + timer->ggc_mem += stop_time->ggc_mem - start_time->ggc_mem; } /* Initialize timing variables. */ @@ -417,7 +428,8 @@ timevar_print (FILE *fp) zeroes. */ if (tv->elapsed.user < tiny && tv->elapsed.sys < tiny - && tv->elapsed.wall < tiny) + && tv->elapsed.wall < tiny + && tv->elapsed.ggc_mem < GGC_MEM_BOUND) continue; /* The timing variable name. */ @@ -444,6 +456,13 @@ timevar_print (FILE *fp) (total->wall == 0 ? 0 : tv->elapsed.wall / total->wall) * 100); #endif /* HAVE_WALL_TIME */ + /* Print the amount of ggc memory allocated. */ + fprintf (fp, "%8u kB (%2.0f%%) ggc", + (unsigned) (tv->elapsed.ggc_mem >> 10), + (total->ggc_mem == 0 + ? 0 + : (float) tv->elapsed.ggc_mem / total->ggc_mem) * 100); + putc ('\n', fp); } @@ -456,8 +475,9 @@ timevar_print (FILE *fp) fprintf (fp, "%7.2f ", total->sys); #endif #ifdef HAVE_WALL_TIME - fprintf (fp, "%7.2f\n", total->wall); + fprintf (fp, "%7.2f ", total->wall); #endif + fprintf (fp, "%8u kB\n", (unsigned) (total->ggc_mem >> 10)); #ifdef ENABLE_CHECKING fprintf (fp, "Extra diagnostic checks enabled; compiler may run slowly.\n"); |