diff options
Diffstat (limited to 'gmon')
| -rw-r--r-- | gmon/gmon.c | 53 |
1 files changed, 24 insertions, 29 deletions
diff --git a/gmon/gmon.c b/gmon/gmon.c index f1ecb9e..e8ad327 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); } |