From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Tvrtko Ursulin To: igt-dev@lists.freedesktop.org, Intel-gfx@lists.freedesktop.org Date: Wed, 11 Oct 2023 09:38:44 +0100 Message-Id: <20231011083845.798413-3-tvrtko.ursulin@linux.intel.com> In-Reply-To: <20231011083845.798413-1-tvrtko.ursulin@linux.intel.com> References: <20231011083845.798413-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 3/4] tools/intel_gpu_top: Optimise interactive display a bit List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tvrtko Ursulin Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: From: Tvrtko Ursulin Padding the percentage bars and table columns with spaces happens quite a lot so lets do better than putchar at a time. Have a table of visually empty strings and build the required length out of those chunks. While at it, also move the percentage bar table into its function scope. v2: * Fix checkpatch and use ARRAY_SIZE. (Kamil) Signed-off-by: Tvrtko Ursulin Cc: Kamil Konieczny --- tools/intel_gpu_top.c | 38 +++++++++++++++++++++++++++++++++----- 1 file changed, 33 insertions(+), 5 deletions(-) diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c index b6d1014f00b8..006879c4ae67 100644 --- a/tools/intel_gpu_top.c +++ b/tools/intel_gpu_top.c @@ -926,14 +926,39 @@ static void free_display_clients(struct igt_drm_clients *clients) free(clients); } -static const char *bars[] = { " ", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█" }; - static int n_spaces(const int n) { - int i; + static const char *spaces[] = { + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + " ", + }; + int i, r = n; - for (i = 0; i < n; i++) - putchar(' '); + while (r) { + if (r > ARRAY_SIZE(spaces)) + i = ARRAY_SIZE(spaces) - 1; + else + i = r - 1; + fputs(spaces[i], stdout); + r -= i + 1; + } return n; } @@ -941,6 +966,9 @@ static int n_spaces(const int n) static void print_percentage_bar(double percent, double max, int max_len, bool numeric) { + static const char *bars[] = { + " ", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█" + }; int bar_len, i, len = max_len - 2; const int w = 8; -- 2.39.2