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perf report: Show inline stack for browser mode

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If the address belongs to an inlined function, the source information
back to the first non-inlined function will be printed.

For example:

1. Show inlined function name
   perf report -g function --inline

-    0.69%     0.00%  inline   ld-2.23.so           [.] dl_main
   - dl_main
        0.56% _dl_relocate_object
         _dl_relocate_object (inline)
         elf_dynamic_do_Rela (inline)

2. Show the file/line information
   perf report -g address --inline

-    0.69%     0.00%  inline   ld-2.23.so           [.] _dl_start
     _dl_start rtld.c:307
      /build/glibc-GKVZIf/glibc-2.23/elf/rtld.c:413 (inline)
   + _dl_sysdep_start dl-sysdep.c:250

Signed-off-by: Yao Jin <yao.jin@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Milian Wolff <milian.wolff@kdab.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Link: http://lkml.kernel.org/r/1490474069-15823-6-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2017-03-26 04:34:29 +08:00 committed by Arnaldo Carvalho de Melo
parent 0db64dd060
commit 0d3eb0b778
3 changed files with 178 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

180
tools/perf/ui/browsers/hists.c
View File

@ -144,9 +144,60 @@ static void callchain_list__set_folding(struct callchain_list *cl, bool unfold)
cl->unfolded = unfold ? cl->has_children : false;
}
static struct inline_node *inline_node__create(struct map *map, u64 ip)
{
struct dso *dso;
struct inline_node *node;
if (map == NULL)
return NULL;
dso = map->dso;
if (dso == NULL)
return NULL;
if (dso->kernel != DSO_TYPE_USER)
return NULL;
node = dso__parse_addr_inlines(dso,
map__rip_2objdump(map, ip));
return node;
}
static int inline__count_rows(struct inline_node *node)
{
struct inline_list *ilist;
int i = 0;
if (node == NULL)
return 0;
list_for_each_entry(ilist, &node->val, list) {
if ((ilist->filename != NULL) || (ilist->funcname != NULL))
i++;
}
return i;
}
static int callchain_list__inline_rows(struct callchain_list *chain)
{
struct inline_node *node;
int rows;
node = inline_node__create(chain->ms.map, chain->ip);
if (node == NULL)
return 0;
rows = inline__count_rows(node);
inline_node__delete(node);
return rows;
}
static int callchain_node__count_rows_rb_tree(struct callchain_node *node)
{
int n = 0;
int n = 0, inline_rows;
struct rb_node *nd;
for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
@ -156,6 +207,13 @@ static int callchain_node__count_rows_rb_tree(struct callchain_node *node)
list_for_each_entry(chain, &child->val, list) {
++n;
if (symbol_conf.inline_name) {
inline_rows =
callchain_list__inline_rows(chain);
n += inline_rows;
}
/* We need this because we may not have children */
folded_sign = callchain_list__folded(chain);
if (folded_sign == '+')
@ -207,7 +265,7 @@ static int callchain_node__count_rows(struct callchain_node *node)
{
struct callchain_list *chain;
bool unfolded = false;
int n = 0;
int n = 0, inline_rows;
if (callchain_param.mode == CHAIN_FLAT)
return callchain_node__count_flat_rows(node);
@ -216,6 +274,11 @@ static int callchain_node__count_rows(struct callchain_node *node)
list_for_each_entry(chain, &node->val, list) {
++n;
if (symbol_conf.inline_name) {
inline_rows = callchain_list__inline_rows(chain);
n += inline_rows;
}
unfolded = chain->unfolded;
}
@ -362,6 +425,19 @@ static void hist_entry__init_have_children(struct hist_entry *he)
he->init_have_children = true;
}
static void hist_entry_init_inline_node(struct hist_entry *he)
{
if (he->inline_node)
return;
he->inline_node = inline_node__create(he->ms.map, he->ip);
if (he->inline_node == NULL)
return;
he->has_children = true;
}
static bool hist_browser__toggle_fold(struct hist_browser *browser)
{
struct hist_entry *he = browser->he_selection;
@ -393,7 +469,12 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser)
if (he->unfolded) {
if (he->leaf)
he->nr_rows = callchain__count_rows(&he->sorted_chain);
if (he->inline_node)
he->nr_rows = inline__count_rows(
he->inline_node);
else
he->nr_rows = callchain__count_rows(
&he->sorted_chain);
else
he->nr_rows = hierarchy_count_rows(browser, he, false);
@ -753,6 +834,70 @@ static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_u
#define LEVEL_OFFSET_STEP 3
static int hist_browser__show_inline(struct hist_browser *browser,
struct inline_node *node,
unsigned short row,
int offset)
{
struct inline_list *ilist;
char buf[1024];
int color, width, first_row;
first_row = row;
width = browser->b.width - (LEVEL_OFFSET_STEP + 2);
list_for_each_entry(ilist, &node->val, list) {
if ((ilist->filename != NULL) || (ilist->funcname != NULL)) {
color = HE_COLORSET_NORMAL;
if (ui_browser__is_current_entry(&browser->b, row))
color = HE_COLORSET_SELECTED;
if (callchain_param.key == CCKEY_ADDRESS) {
if (ilist->filename != NULL)
scnprintf(buf, sizeof(buf),
"%s:%d (inline)",
ilist->filename,
ilist->line_nr);
else
scnprintf(buf, sizeof(buf), "??");
} else if (ilist->funcname != NULL)
scnprintf(buf, sizeof(buf), "%s (inline)",
ilist->funcname);
else if (ilist->filename != NULL)
scnprintf(buf, sizeof(buf),
"%s:%d (inline)",
ilist->filename,
ilist->line_nr);
else
scnprintf(buf, sizeof(buf), "??");
ui_browser__set_color(&browser->b, color);
hist_browser__gotorc(browser, row, 0);
ui_browser__write_nstring(&browser->b, " ",
LEVEL_OFFSET_STEP + offset);
ui_browser__write_nstring(&browser->b, buf, width);
row++;
}
}
return row - first_row;
}
static size_t show_inline_list(struct hist_browser *browser, struct map *map,
u64 ip, int row, int offset)
{
struct inline_node *node;
int ret;
node = inline_node__create(map, ip);
if (node == NULL)
return 0;
ret = hist_browser__show_inline(browser, node, row, offset);
inline_node__delete(node);
return ret;
}
static int hist_browser__show_callchain_list(struct hist_browser *browser,
struct callchain_node *node,
struct callchain_list *chain,
@ -764,6 +909,7 @@ static int hist_browser__show_callchain_list(struct hist_browser *browser,
char bf[1024], *alloc_str;
char buf[64], *alloc_str2;
const char *str;
int inline_rows = 0, ret = 1;
if (arg->row_offset != 0) {
arg->row_offset--;
@ -801,10 +947,15 @@ static int hist_browser__show_callchain_list(struct hist_browser *browser,
}
print(browser, chain, str, offset, row, arg);
free(alloc_str);
free(alloc_str2);
return 1;
if (symbol_conf.inline_name) {
inline_rows = show_inline_list(browser, chain->ms.map,
chain->ip, row + 1, offset);
}
return ret + inline_rows;
}
static bool check_percent_display(struct rb_node *node, u64 parent_total)
@ -1228,6 +1379,12 @@ static int hist_browser__show_entry(struct hist_browser *browser,
folded_sign = hist_entry__folded(entry);
}
if (symbol_conf.inline_name &&
(!entry->has_children)) {
hist_entry_init_inline_node(entry);
folded_sign = hist_entry__folded(entry);
}
if (row_offset == 0) {
struct hpp_arg arg = {
.b = &browser->b,
@ -1259,7 +1416,8 @@ static int hist_browser__show_entry(struct hist_browser *browser,
}
if (first) {
if (symbol_conf.use_callchain) {
if (symbol_conf.use_callchain ||
symbol_conf.inline_name) {
ui_browser__printf(&browser->b, "%c ", folded_sign);
width -= 2;
}
@ -1301,8 +1459,14 @@ static int hist_browser__show_entry(struct hist_browser *browser,
.is_current_entry = current_entry,
};
printed += hist_browser__show_callchain(browser, entry, 1, row,
hist_browser__show_callchain_entry, &arg,
if (entry->inline_node)
printed += hist_browser__show_inline(browser,
entry->inline_node, row, 0);
else
printed += hist_browser__show_callchain(browser,
entry, 1, row,
hist_browser__show_callchain_entry,
&arg,
hist_browser__check_output_full);
}

5
tools/perf/util/hist.c
View File

@ -1136,6 +1136,11 @@ void hist_entry__delete(struct hist_entry *he)
zfree(&he->mem_info);
}
if (he->inline_node) {
inline_node__delete(he->inline_node);
he->inline_node = NULL;
}
zfree(&he->stat_acc);
free_srcline(he->srcline);
if (he->srcfile && he->srcfile[0])

1
tools/perf/util/sort.h
View File

@ -128,6 +128,7 @@ struct hist_entry {
};
char *srcline;
char *srcfile;
struct inline_node *inline_node;
struct symbol *parent;
struct branch_info *branch_info;
struct hists *hists;