Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755993Ab3ENCL2 (ORCPT ); Mon, 13 May 2013 22:11:28 -0400 Received: from lgeamrelo01.lge.com ([156.147.1.125]:59853 "EHLO LGEAMRELO01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755760Ab3ENCJK (ORCPT ); Mon, 13 May 2013 22:09:10 -0400 X-AuditID: 9c93017d-b7b62ae000004f69-5e-51919cc46821 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Namhyung Kim , LKML , Jiri Olsa , David Ahern , Stephane Eranian Subject: [PATCH 1/9] perf top: Fix -E option behavior Date: Tue, 14 May 2013 11:08:59 +0900 Message-Id: <1368497347-9628-2-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1368497347-9628-1-git-send-email-namhyung@kernel.org> References: <1368497347-9628-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2507 Lines: 76 From: Namhyung Kim The -E/--entries option controls how many lines to be printed on stdio output but it doesn't work as it should be: If -E option is specified, print that many lines regardless of current window size, if not automatically adjust number of lines printed to fit into the window size. Reported-by: Minchan Kim Signed-off-by: Namhyung Kim --- tools/perf/builtin-top.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index df9e06af89bf..81adcafbac8f 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -70,10 +70,11 @@ static volatile int done; +#define HEADER_LINE_NR 5 + static void perf_top__update_print_entries(struct perf_top *top) { - if (top->print_entries > 9) - top->print_entries -= 9; + top->print_entries = top->winsize.ws_row - HEADER_LINE_NR; } static void perf_top__sig_winch(int sig __maybe_unused, @@ -82,13 +83,6 @@ static void perf_top__sig_winch(int sig __maybe_unused, struct perf_top *top = arg; get_term_dimensions(&top->winsize); - if (!top->print_entries - || (top->print_entries+4) > top->winsize.ws_row) { - top->print_entries = top->winsize.ws_row; - } else { - top->print_entries += 4; - top->winsize.ws_row = top->print_entries; - } perf_top__update_print_entries(top); } @@ -296,10 +290,10 @@ static void perf_top__print_sym_table(struct perf_top *top) top->hide_user_symbols, top->hide_kernel_symbols); hists__output_recalc_col_len(&top->sym_evsel->hists, - top->winsize.ws_row - 3); + top->print_entries - printed); putchar('\n'); hists__fprintf(&top->sym_evsel->hists, false, - top->winsize.ws_row - 4 - printed, win_width, stdout); + top->print_entries - printed, win_width, stdout); } static void prompt_integer(int *target, const char *msg) @@ -477,7 +471,6 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) perf_top__sig_winch(SIGWINCH, NULL, top); sigaction(SIGWINCH, &act, NULL); } else { - perf_top__sig_winch(SIGWINCH, NULL, top); signal(SIGWINCH, SIG_DFL); } break; -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/