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perf hists: Introduce nr_header_lines into struct perf_hpp_list

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Currently we support just single line headers, this is first step to
allow more.

Store the number of header lines in perf_hpp_list, which encompasses all
the display/sort entries and is thus suitable to hold this value.

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/1470583710-1649-2-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 17:28:26 +02:00 committed by Arnaldo Carvalho de Melo
parent b9c4b0f40d
commit f8e6710de8
3 changed files with 14 additions and 3 deletions
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15
tools/perf/ui/browsers/hists.c
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@ -69,8 +69,11 @@ static u32 hist_browser__nr_entries(struct hist_browser *hb)
static void hist_browser__update_rows(struct hist_browser *hb)
{
struct ui_browser *browser = &hb->b;
u16 header_offset = hb->show_headers ? 1 : 0, index_row;
struct hists *hists = hb->hists;
struct perf_hpp_list *hpp_list = hists->hpp_list;
u16 header_offset, index_row;
header_offset = hb->show_headers ? hpp_list->nr_header_lines : 0;
browser->rows = browser->height - header_offset;
/*
* Verify if we were at the last line and that line isn't
@ -99,8 +102,11 @@ static void hist_browser__refresh_dimensions(struct ui_browser *browser)
static void hist_browser__gotorc(struct hist_browser *browser, int row, int column)
{
u16 header_offset = browser->show_headers ? 1 : 0;
struct hists *hists = browser->hists;
struct perf_hpp_list *hpp_list = hists->hpp_list;
u16 header_offset;
header_offset = browser->show_headers ? hpp_list->nr_header_lines : 0;
ui_browser__gotorc(&browser->b, row + header_offset, column);
}
@ -1656,10 +1662,13 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
u16 header_offset = 0;
struct rb_node *nd;
struct hist_browser *hb = container_of(browser, struct hist_browser, b);
struct hists *hists = hb->hists;
if (hb->show_headers) {
struct perf_hpp_list *hpp_list = hists->hpp_list;
hist_browser__show_headers(hb);
header_offset = 1;
header_offset = hpp_list->nr_header_lines;
}
ui_browser__hists_init_top(browser);

1
tools/perf/ui/hist.c
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@ -441,6 +441,7 @@ struct perf_hpp_fmt perf_hpp__format[] = {
struct perf_hpp_list perf_hpp_list = {
.fields = LIST_HEAD_INIT(perf_hpp_list.fields),
.sorts = LIST_HEAD_INIT(perf_hpp_list.sorts),
.nr_header_lines = 1,
};
#undef HPP__COLOR_PRINT_FNS

1
tools/perf/util/hist.h
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@ -259,6 +259,7 @@ struct perf_hpp_list {
struct list_head fields;
struct list_head sorts;
int nr_header_lines;
int need_collapse;
int parent;
int sym;