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perf hists: Add support for header span

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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
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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);
}
}