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perf hists: Add support for header span 

Add span argument for header callback function.

The handling of this argument is completely in the hands of the
callback. The only thing the caller ensures is it's zeroed on the
beginning.

Omitting span skipping in hierarchy headers and gtk code.

The c2c code use this to span header lines based on the entries span
configuration.

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/1470583710-1649-6-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 17:28:30 +02:00 committed by Arnaldo Carvalho de Melo
parent f3705b062e
commit 29659ab4e7
7 changed files with 25 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
tools/perf/builtin-diff.c
View File

@ -1034,7 +1034,8 @@ static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp,
static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists __maybe_unused,
int line __maybe_unused)
int line __maybe_unused,
int *span __maybe_unused)
{
struct diff_hpp_fmt *dfmt =
container_of(fmt, struct diff_hpp_fmt, fmt);

10
tools/perf/ui/browsers/hists.c
View File

@ -1514,6 +1514,7 @@ hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf,
struct perf_hpp_fmt *fmt;
size_t ret = 0;
int column = 0;
int span = 0;
if (symbol_conf.use_callchain) {
ret = scnprintf(buf, size, " ");
@ -1525,10 +1526,13 @@ hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf,
if (perf_hpp__should_skip(fmt, hists) || column++ < browser->b.horiz_scroll)
continue;
ret = fmt->header(fmt, &dummy_hpp, hists, line);
ret = fmt->header(fmt, &dummy_hpp, hists, line, &span);
if (advance_hpp_check(&dummy_hpp, ret))
break;
if (span)
continue;
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " ");
if (advance_hpp_check(&dummy_hpp, ret))
break;
@ -1562,7 +1566,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
if (column++ < browser->b.horiz_scroll)
continue;
ret = fmt->header(fmt, &dummy_hpp, hists, 0);
ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
if (advance_hpp_check(&dummy_hpp, ret))
break;
@ -1599,7 +1603,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
}
first_col = false;
ret = fmt->header(fmt, &dummy_hpp, hists, 0);
ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
dummy_hpp.buf[ret] = '\0';
start = trim(dummy_hpp.buf);

2
tools/perf/ui/gtk/hists.c
View File

@ -549,7 +549,7 @@ static void perf_gtk__show_hierarchy(GtkWidget *window, struct hists *hists,
strcat(buf, "+");
first_col = false;
fmt->header(fmt, &hpp, hists, 0);
fmt->header(fmt, &hpp, hists, 0, NULL);
strcat(buf, ltrim(rtrim(hpp.buf)));
}
}

3
tools/perf/ui/hist.c
View File

@ -230,7 +230,8 @@ static int hpp__width_fn(struct perf_hpp_fmt *fmt,
}
static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists, int line __maybe_unused)
struct hists *hists, int line __maybe_unused,
int *span __maybe_unused)
{
int len = hpp__width_fn(fmt, hpp, hists);
return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);

13
tools/perf/ui/stdio/hist.c
View File

@ -549,7 +549,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
struct perf_hpp_list_node, list);
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
fmt->header(fmt, hpp, hists, 0);
fmt->header(fmt, hpp, hists, 0, NULL);
fprintf(fp, "%s%s", hpp->buf, sep ?: " ");
}
@ -569,7 +569,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
header_width += fprintf(fp, "+");
first_col = false;
fmt->header(fmt, hpp, hists, 0);
fmt->header(fmt, hpp, hists, 0, NULL);
header_width += fprintf(fp, "%s", trim(hpp->buf));
}
@ -645,18 +645,21 @@ static void fprintf_line(struct hists *hists, struct perf_hpp *hpp,
struct perf_hpp_fmt *fmt;
const char *sep = symbol_conf.field_sep;
bool first = true;
int span = 0;
hists__for_each_format(hists, fmt) {
if (perf_hpp__should_skip(fmt, hists))
continue;
if (!first)
if (!first && !span)
fprintf(fp, "%s", sep ?: " ");
else
first = false;
fmt->header(fmt, hpp, hists, line);
fprintf(fp, "%s", hpp->buf);
fmt->header(fmt, hpp, hists, line, &span);
if (!span)
fprintf(fp, "%s", hpp->buf);
}
}

2
tools/perf/util/hist.h
View File

@ -230,7 +230,7 @@ struct perf_hpp {
struct perf_hpp_fmt {
const char *name;
int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists, int line);
struct hists *hists, int line, int *span);
int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists);
int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,

6
tools/perf/util/sort.c
View File

@ -1492,7 +1492,8 @@ void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
}
static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists, int line __maybe_unused)
struct hists *hists, int line __maybe_unused,
int *span __maybe_unused)
{
struct hpp_sort_entry *hse;
size_t len = fmt->user_len;
@ -1798,7 +1799,8 @@ static void update_dynamic_len(struct hpp_dynamic_entry *hde,
static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists __maybe_unused,
int line __maybe_unused)
int line __maybe_unused,
int *span __maybe_unused)
{
struct hpp_dynamic_entry *hde;
size_t len = fmt->user_len;