diff options
Diffstat (limited to 'elf/sprof.c')
| -rw-r--r-- | elf/sprof.c | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/elf/sprof.c b/elf/sprof.c index c6a9b30..d2426eb 100644 --- a/elf/sprof.c +++ b/elf/sprof.c @@ -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; + } + } +} |