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-rw-r--r--gmon/gmon.c53
1 files changed, 24 insertions, 29 deletions
diff --git a/gmon/gmon.c b/gmon/gmon.c
index f1ecb9e459..e8ad327937 100644
--- a/gmon/gmon.c
+++ b/gmon/gmon.c
@@ -125,7 +125,7 @@ monstartup (lowpc, highpc)
cp = malloc (p->kcountsize + p->fromssize + p->tossize);
if (! cp)
{
- ERR("monstartup: out of memory\n");
+ ERR(_("monstartup: out of memory\n"));
return;
}
bzero(cp, p->kcountsize + p->fromssize + p->tossize);
@@ -194,25 +194,25 @@ static void
write_call_graph (fd)
int fd;
{
+#define NARCS_PER_WRITEV 32
u_char tag = GMON_TAG_CG_ARC;
- struct gmon_cg_arc_record raw_arc[4]
+ struct gmon_cg_arc_record raw_arc[NARCS_PER_WRITEV]
__attribute__ ((aligned (__alignof__ (char*))));
int from_index, to_index, from_len;
u_long frompc;
+ struct iovec iov[2 * NARCS_PER_WRITEV];
+ int nfilled;
- struct iovec iov[8] =
+ for (nfilled = 0; nfilled < NARCS_PER_WRITEV; ++nfilled)
{
- { &tag, sizeof (tag) },
- { &raw_arc[0], sizeof (struct gmon_cg_arc_record) },
- { &tag, sizeof (tag) },
- { &raw_arc[1], sizeof (struct gmon_cg_arc_record) },
- { &tag, sizeof (tag) },
- { &raw_arc[2], sizeof (struct gmon_cg_arc_record) },
- { &tag, sizeof (tag) },
- { &raw_arc[3], sizeof (struct gmon_cg_arc_record) },
- };
- int nfilled = 0;
+ iov[2 * nfilled].iov_base = &tag;
+ iov[2 * nfilled].iov_len = sizeof (tag);
+ iov[2 * nfilled + 1].iov_base = &raw_arc[nfilled];
+ iov[2 * nfilled + 1].iov_len = sizeof (struct gmon_cg_arc_record);
+ }
+
+ nfilled = 0;
from_len = _gmonparam.fromssize / sizeof (*_gmonparam.froms);
for (from_index = 0; from_index < from_len; ++from_index)
{
@@ -226,19 +226,20 @@ write_call_graph (fd)
to_index != 0;
to_index = _gmonparam.tos[to_index].link)
{
- if (nfilled > 3)
+ *(char **) raw_arc[nfilled].from_pc = (char *) frompc;
+ *(char **) raw_arc[nfilled].self_pc =
+ (char *)_gmonparam.tos[to_index].selfpc;
+ *(int *) raw_arc[nfilled].count = _gmonparam.tos[to_index].count;
+
+ if (++nfilled == NARCS_PER_WRITEV)
{
__writev (fd, iov, 2 * nfilled);
nfilled = 0;
}
- *(char **) raw_arc[nfilled].from_pc = (char *)frompc;
- *(char **) raw_arc[nfilled].self_pc =
- (char *)_gmonparam.tos[to_index].selfpc;
- *(int *) raw_arc[nfilled].count = _gmonparam.tos[to_index].count;
- ++nfilled;
}
}
- __writev (fd, iov, 2 * nfilled);
+ if (nfilled > 0)
+ __writev (fd, iov, 2 * nfilled);
}
@@ -268,17 +269,11 @@ write_bb_counts (fd)
/* Write each group of basic-block info (all basic-blocks in a
compilation unit form a single group). */
- nfilled = 0;
for (grp = __bb_head; grp; grp = grp->next)
{
ncounts = grp->ncounts;
- if (nfilled > 0)
- {
- __writev (fd, bbbody, nfilled);
- nfilled = 0;
- }
__writev (fd, bbhead, 2);
- for (i = 0; i < ncounts; ++i)
+ for (nfilled = i = 0; i < ncounts; ++i)
{
if (nfilled > (sizeof (bbbody) / sizeof (bbbody[0])) - 2)
{
@@ -289,9 +284,9 @@ write_bb_counts (fd)
bbbody[nfilled++].iov_base = (char *) &grp->addresses[i];
bbbody[nfilled++].iov_base = &grp->counts[i];
}
+ if (nfilled > 0)
+ __writev (fd, bbbody, nfilled);
}
- if (nfilled > 0)
- __writev (fd, bbbody, nfilled);
}