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perf tools tui: Display multiple header lines 

Display multiple header lines in TUI browser, if it's configured within
struct perf_hpp_list::nr_header_lines.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1470583710-1649-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-08-07 17:28:28 +02:00 committed by Arnaldo Carvalho de Melo
parent 74bb43f29e
commit 69705b3585
1 changed files with 17 additions and 8 deletions
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25
tools/perf/ui/browsers/hists.c
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@ -1502,7 +1502,9 @@ static int advance_hpp_check(struct perf_hpp *hpp, int inc)
return hpp->size <= 0;
}
static int hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf, size_t size)
static int
hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf,
size_t size, int line)
{
struct hists *hists = browser->hists;
struct perf_hpp dummy_hpp = {
@ -1523,7 +1525,7 @@ static int hists_browser__scnprintf_headers(struct hist_browser *browser, char *
if (perf_hpp__should_skip(fmt, hists) || column++ < browser->b.horiz_scroll)
continue;
ret = fmt->header(fmt, &dummy_hpp, hists, 0);
ret = fmt->header(fmt, &dummy_hpp, hists, line);
if (advance_hpp_check(&dummy_hpp, ret))
break;
@ -1628,14 +1630,21 @@ static void hists_browser__hierarchy_headers(struct hist_browser *browser)
static void hists_browser__headers(struct hist_browser *browser)
{
char headers[1024];
struct hists *hists = browser->hists;
struct perf_hpp_list *hpp_list = hists->hpp_list;
hists_browser__scnprintf_headers(browser, headers,
sizeof(headers));
int line;
ui_browser__gotorc(&browser->b, 0, 0);
ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
for (line = 0; line < hpp_list->nr_header_lines; line++) {
char headers[1024];
hists_browser__scnprintf_headers(browser, headers,
sizeof(headers), line);
ui_browser__gotorc(&browser->b, line, 0);
ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
}
}
static void hist_browser__show_headers(struct hist_browser *browser)