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perf hists browser: Factor out hist_browser__show_callchain_list()

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This function is to print a single callchain list entry.  As this
function will be used by other function, factor out to a separate
function.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1447047946-1691-7-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2015-11-09 14:45:42 +09:00 committed by Arnaldo Carvalho de Melo
parent f2af008695
commit 18bb838129
1 changed files with 45 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
tools/perf/ui/browsers/hists.c
View File

@ -574,6 +574,44 @@ static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_u
#define LEVEL_OFFSET_STEP 3
static int hist_browser__show_callchain_list(struct hist_browser *browser,
struct callchain_node *node,
struct callchain_list *chain,
unsigned short row, u64 total,
bool need_percent, int offset,
print_callchain_entry_fn print,
struct callchain_print_arg *arg)
{
char bf[1024], *alloc_str;
const char *str;
if (arg->row_offset != 0) {
arg->row_offset--;
return 0;
}
alloc_str = NULL;
str = callchain_list__sym_name(chain, bf, sizeof(bf),
browser->show_dso);
if (need_percent) {
char buf[64];
callchain_node__scnprintf_value(node, buf, sizeof(buf),
total);
if (asprintf(&alloc_str, "%s %s", buf, str) < 0)
str = "Not enough memory!";
else
str = alloc_str;
}
print(browser, chain, str, offset, row, arg);
free(alloc_str);
return 1;
}
static int hist_browser__show_callchain(struct hist_browser *browser,
struct rb_root *root, int level,
unsigned short row, u64 total,
@ -598,8 +636,6 @@ static int hist_browser__show_callchain(struct hist_browser *browser,
int extra_offset = 0;
list_for_each_entry(chain, &child->val, list) {
char bf[1024], *alloc_str;
const char *str;
bool was_first = first;
if (first)
@ -608,34 +644,16 @@ static int hist_browser__show_callchain(struct hist_browser *browser,
extra_offset = LEVEL_OFFSET_STEP;
folded_sign = callchain_list__folded(chain);
if (arg->row_offset != 0) {
arg->row_offset--;
goto do_next;
}
alloc_str = NULL;
str = callchain_list__sym_name(chain, bf, sizeof(bf),
browser->show_dso);
row += hist_browser__show_callchain_list(browser, child,
chain, row, total,
was_first && need_percent,
offset + extra_offset,
print, arg);
if (was_first && need_percent) {
char buf[64];
callchain_node__scnprintf_value(child, buf, sizeof(buf),
total);
if (asprintf(&alloc_str, "%s %s", buf, str) < 0)
str = "Not enough memory!";
else
str = alloc_str;
}
print(browser, chain, str, offset + extra_offset, row, arg);
free(alloc_str);
if (is_output_full(browser, ++row))
if (is_output_full(browser, row))
goto out;
do_next:
if (folded_sign == '+')
break;
}