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perf callchain: Use a common function to resolve symbol or name

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Refactor the duplicated code to resolve the symbol name or
the address of a symbol into a single function.

Used in next patch to add common functionality.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1415844328-4884-6-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2014-11-12 18:05:23 -08:00 committed by Arnaldo Carvalho de Melo
parent 5550171b2a
commit 2989ccaac4
5 changed files with 32 additions and 41 deletions
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17
tools/perf/ui/browsers/hists.c
View File

@ -463,23 +463,6 @@ static int hist_browser__run(struct hist_browser *browser,
return key;
}
static char *callchain_list__sym_name(struct callchain_list *cl,
char *bf, size_t bfsize, bool show_dso)
{
int printed;
if (cl->ms.sym)
printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
else
printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
if (show_dso)
scnprintf(bf + printed, bfsize - printed, " %s",
cl->ms.map ? cl->ms.map->dso->short_name : "unknown");
return bf;
}
struct callchain_print_arg {
/* for hists browser */
off_t row_offset;

11
tools/perf/ui/gtk/hists.c
View File

@ -89,15 +89,6 @@ void perf_gtk__init_hpp(void)
perf_gtk__hpp_color_overhead_acc;
}
static void callchain_list__sym_name(struct callchain_list *cl,
char *bf, size_t bfsize)
{
if (cl->ms.sym)
scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
else
scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
}
static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
@ -128,7 +119,7 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
gtk_tree_store_set(store, &iter, 0, buf, -1);
callchain_list__sym_name(chain, buf, sizeof(buf));
callchain_list__sym_name(chain, buf, sizeof(buf), false);
gtk_tree_store_set(store, &iter, col, buf, -1);
if (need_new_parent) {

23
tools/perf/ui/stdio/hist.c
View File

@ -41,6 +41,7 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
{
int i;
size_t ret = 0;
char bf[1024];
ret += callchain__fprintf_left_margin(fp, left_margin);
for (i = 0; i < depth; i++) {
@ -56,11 +57,8 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
} else
ret += fprintf(fp, "%s", " ");
}
if (chain->ms.sym)
ret += fprintf(fp, "%s\n", chain->ms.sym->name);
else
ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
fputs(callchain_list__sym_name(chain, bf, sizeof(bf), false), fp);
fputc('\n', fp);
return ret;
}
@ -168,6 +166,7 @@ static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
struct rb_node *node;
int i = 0;
int ret = 0;
char bf[1024];
/*
* If have one single callchain root, don't bother printing
@ -196,10 +195,8 @@ static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
} else
ret += callchain__fprintf_left_margin(fp, left_margin);
if (chain->ms.sym)
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
else
ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
ret += fprintf(fp, "%s\n", callchain_list__sym_name(chain, bf, sizeof(bf),
false));
if (++entries_printed == callchain_param.print_limit)
break;
@ -219,6 +216,7 @@ static size_t __callchain__fprintf_flat(FILE *fp, struct callchain_node *node,
{
struct callchain_list *chain;
size_t ret = 0;
char bf[1024];
if (!node)
return 0;
@ -229,11 +227,8 @@ static size_t __callchain__fprintf_flat(FILE *fp, struct callchain_node *node,
list_for_each_entry(chain, &node->val, list) {
if (chain->ip >= PERF_CONTEXT_MAX)
continue;
if (chain->ms.sym)
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
else
ret += fprintf(fp, " %p\n",
(void *)(long)chain->ip);
ret += fprintf(fp, " %s\n", callchain_list__sym_name(chain,
bf, sizeof(bf), false));
}
return ret;

19
tools/perf/util/callchain.c
View File

@ -808,3 +808,22 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *
out:
return 1;
}
char *callchain_list__sym_name(struct callchain_list *cl,
char *bf, size_t bfsize, bool show_dso)
{
int printed;
if (cl->ms.sym) {
printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
} else
printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
if (show_dso)
scnprintf(bf + printed, bfsize - printed, " %s",
cl->ms.map ?
cl->ms.map->dso->short_name :
"unknown");
return bf;
}

3
tools/perf/util/callchain.h
View File

@ -193,4 +193,7 @@ static inline int arch_skip_callchain_idx(struct thread *thread __maybe_unused,
}
#endif
char *callchain_list__sym_name(struct callchain_list *cl,
char *bf, size_t bfsize, bool show_dso);
#endif /* __PERF_CALLCHAIN_H */