linux-kernel - [tip:perf/core] perf tools: Add more hpp helper functions

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Message-ID: <tip-77284de326e6d8c3b8e866cda5b415c86b522e61@git.kernel.org>
Date:	Tue, 3 Jun 2014 11:34:03 -0700
From:	tip-bot for Namhyung Kim <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	jolsa@...nel.org, rodrigo@...g.com.ar, namhyung@...nel.org,
	fweisbec@...il.com, tglx@...utronix.de, asharma@...com
Subject: [tip:perf/core] perf tools: Add more hpp helper functions

Commit-ID:  77284de326e6d8c3b8e866cda5b415c86b522e61
Gitweb:     http://git.kernel.org/tip/77284de326e6d8c3b8e866cda5b415c86b522e61
Author:     Namhyung Kim <namhyung@...nel.org>
AuthorDate: Mon, 16 Dec 2013 16:55:13 +0900
Committer:  Jiri Olsa <jolsa@...nel.org>
CommitDate: Sun, 1 Jun 2014 14:35:03 +0200

perf tools: Add more hpp helper functions

Sometimes it needs to disable some columns at runtime.  Add help
functions to support that.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Tested-by: Arun Sharma <asharma@...com>
Tested-by: Rodrigo Campos <rodrigo@...g.com.ar>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Link: http://lkml.kernel.org/r/1401335910-16832-15-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/ui/hist.c   | 17 +++++++++++++++++
 tools/perf/util/hist.h |  4 ++++
 2 files changed, 21 insertions(+)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 0ce3e79..8ca6387 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -489,6 +489,11 @@ void perf_hpp__column_register(struct perf_hpp_fmt *format)
 	list_add_tail(&format->list, &perf_hpp__list);
 }
 
+void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
+{
+	list_del(&format->list);
+}
+
 void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
 {
 	list_add_tail(&format->sort_list, &perf_hpp__sort_list);
@@ -500,6 +505,18 @@ void perf_hpp__column_enable(unsigned col)
 	perf_hpp__column_register(&perf_hpp__format[col]);
 }
 
+void perf_hpp__column_disable(unsigned col)
+{
+	BUG_ON(col >= PERF_HPP__MAX_INDEX);
+	perf_hpp__column_unregister(&perf_hpp__format[col]);
+}
+
+void perf_hpp__cancel_cumulate(void)
+{
+	perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC);
+	perf_hpp__format[PERF_HPP__OVERHEAD].header = hpp__header_overhead;
+}
+
 void perf_hpp__setup_output_field(void)
 {
 	struct perf_hpp_fmt *fmt;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index efd73e4..99ad3cb 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -237,7 +237,11 @@ enum {
 
 void perf_hpp__init(void);
 void perf_hpp__column_register(struct perf_hpp_fmt *format);
+void perf_hpp__column_unregister(struct perf_hpp_fmt *format);
 void perf_hpp__column_enable(unsigned col);
+void perf_hpp__column_disable(unsigned col);
+void perf_hpp__cancel_cumulate(void);
+
 void perf_hpp__register_sort_field(struct perf_hpp_fmt *format);
 void perf_hpp__setup_output_field(void);
 void perf_hpp__reset_output_field(void);
--
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