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* elf/sprof.c: Implement -c/--call-pairs option to emit list with
	caller/callee and the number of calls.
This commit is contained in:
Ulrich Drepper 1998-07-29 23:35:28 +00:00
parent e3e0315c6d
commit ccd17b3265
2 changed files with 52 additions and 3 deletions
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3
ChangeLog
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@ -5,6 +5,9 @@
* elf/elf.h: Add DT_FLAGS_1 and the DF_1_* flag definitions.
* elf/sprof.c: Implement -c/--call-pairs option to emit list with
caller/callee and the number of calls.
1998-07-29 Mark Kettenis <kettenis@phys.uva.nl>
* sysdeps/mach/hurd/dl-sysdep.c (__lseek): New function.

52
elf/sprof.c
View File

@ -74,6 +74,8 @@ void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
static const struct argp_option options[] =
{
{ NULL, 0, NULL, 0, N_("Output selection:") },
{ "call-pairs", 'c', NULL, 0,
N_("print list of count paths and their number of use") },
{ "flat-profile", 'p', NULL, 0,
N_("generate flat profile with counts and ticks") },
{ "graph", 'q', NULL, 0, N_("generate call graph") },
@ -104,6 +106,7 @@ static enum
NONE = 0,
FLAT_MODE = 1 << 0,
CALL_GRAPH_MODE = 1 << 1,
CALL_PAIRS = 1 << 2,
DEFAULT_MODE = FLAT_MODE | CALL_GRAPH_MODE
} mode;
@ -218,6 +221,7 @@ static void read_symbols (struct shobj *shobj);
static void add_arcs (struct profdata *profdata);
static void generate_flat_profile (struct profdata *profdata);
static void generate_call_graph (struct profdata *profdata);
static void generate_call_pair_list (struct profdata *profdata);
int
@ -311,6 +315,9 @@ no filename for profiling data given and shared object `%s' has no soname"),
if (mode & CALL_GRAPH_MODE)
generate_call_graph (profdata_handle);
if (mode & CALL_PAIRS)
generate_call_pair_list (profdata_handle);
/* Free the resources. */
unload_shobj (shobj_handle);
unload_profdata (profdata_handle);
@ -325,6 +332,9 @@ parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'c':
mode |= CALL_PAIRS;
break;
case 'p':
mode |= FLAT_MODE;
break;
@ -1184,7 +1194,7 @@ generate_call_graph (struct profdata *profdata)
printf (" %8.2f%8.2f%9" PRIdMAX "/%-9" PRIdMAX " %s",
(runp->idx != (size_t) -1l
? sortsym[runp->idx]->ticks * tick_unit : 0.0),
0.0, /* FIXME: what's time for the childern, recursive */
0.0, /* FIXME: what's time for the children, recursive */
runp->count, sortsym[cnt]->calls,
(runp->idx != (size_t) -1l ?
sortsym[runp->idx]->name : "<UNKNOWN>"));
@ -1202,7 +1212,7 @@ generate_call_graph (struct profdata *profdata)
7 - n, " ",
total_ticks ? (100.0 * sortsym[cnt]->ticks) / total_ticks : 0,
sortsym[cnt]->ticks * tick_unit,
0.0, /* FIXME: what's time for the childern, recursive */
0.0, /* FIXME: what's time for the children, recursive */
sortsym[cnt]->calls,
sortsym[cnt]->name, cnt);
@ -1213,7 +1223,7 @@ generate_call_graph (struct profdata *profdata)
printf (" %8.2f%8.2f%9" PRIdMAX "/",
(runp->idx != (size_t) -1l
? sortsym[runp->idx]->ticks * tick_unit : 0.0),
0.0, /* FIXME: what's time for the childern, recursive */
0.0, /* FIXME: what's time for the children, recursive */
runp->count);
if (runp->idx != (size_t) -1l)
@ -1230,3 +1240,39 @@ generate_call_graph (struct profdata *profdata)
fputs ("-----------------------------------------------\n", stdout);
}
}
static void
generate_call_pair_list (struct profdata *profdata)
{
size_t cnt;
for (cnt = 0; cnt < symidx; ++cnt)
if (sortsym[cnt]->froms != NULL || sortsym[cnt]->tos != NULL)
{
struct arc_list *runp;
/* First print the incoming arcs. */
runp = sortsym[cnt]->froms;
while (runp != NULL)
{
if (runp->idx == (size_t) -1l)
printf ("\
<UNKNOWN> %-34s %9" PRIdMAX "\n",
sortsym[cnt]->name, runp->count);
runp = runp->next;
}
/* Next the outgoing arcs. */
runp = sortsym[cnt]->tos;
while (runp != NULL)
{
printf ("%-34s %-34s %9" PRIdMAX "\n",
sortsym[cnt]->name,
(runp->idx != (size_t) -1l
? sortsym[runp->idx]->name : "<UNKNOWN>"),
runp->count);
runp = runp->next;
}
}
}