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Subject[tip:perf/core] perf stdio: Separate standard headers output
Commit-ID:  7a72a2e5e6e06172ae26a3c5c8c89a5578f28432
Gitweb: http://git.kernel.org/tip/7a72a2e5e6e06172ae26a3c5c8c89a5578f28432
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Tue, 14 Jun 2016 20:19:16 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 15 Jun 2016 10:46:39 -0300

perf stdio: Separate standard headers output

Introducing hists__fprintf_standard_headers function to separate
standard headers display code.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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/1465928361-2442-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/stdio/hist.c | 38 ++++++++++++++++++++++++--------------
1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 7498ce2..5d00783 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -638,23 +638,16 @@ hists__fprintf_hierarchy_headers(struct hists *hists,
return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp);
}

-static int hists__fprintf_headers(struct hists *hists, FILE *fp)
+static int
+hists__fprintf_standard_headers(struct hists *hists,
+ struct perf_hpp *hpp,
+ FILE *fp)
{
struct perf_hpp_fmt *fmt;
unsigned int width;
const char *sep = symbol_conf.field_sep;
- char bf[96];
- struct perf_hpp dummy_hpp = {
- .buf = bf,
- .size = sizeof(bf),
- };
bool first = true;

- fprintf(fp, "# ");
-
- if (symbol_conf.report_hierarchy)
- return hists__fprintf_hierarchy_headers(hists, &dummy_hpp, fp);
-
hists__for_each_format(hists, fmt) {
if (perf_hpp__should_skip(fmt, hists))
continue;
@@ -664,8 +657,8 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
else
first = false;

- fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists));
- fprintf(fp, "%s", bf);
+ fmt->header(fmt, hpp, hists_to_evsel(hists));
+ fprintf(fp, "%s", hpp->buf);
}

fprintf(fp, "\n");
@@ -688,7 +681,7 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
else
first = false;

- width = fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
+ width = fmt->width(fmt, hpp, hists_to_evsel(hists));
for (i = 0; i < width; i++)
fprintf(fp, ".");
}
@@ -698,6 +691,23 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
return 3;
}

+static int hists__fprintf_headers(struct hists *hists, FILE *fp)
+{
+ char bf[96];
+ struct perf_hpp dummy_hpp = {
+ .buf = bf,
+ .size = sizeof(bf),
+ };
+
+ fprintf(fp, "# ");
+
+ if (symbol_conf.report_hierarchy)
+ return hists__fprintf_hierarchy_headers(hists, &dummy_hpp, fp);
+ else
+ return hists__fprintf_standard_headers(hists, &dummy_hpp, fp);
+
+}
+
size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
int max_cols, float min_pcnt, FILE *fp)
{
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