From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id EEA841A022F for ; Fri, 21 Aug 2015 14:25:35 +1000 (AEST) Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id A057C140AF3 for ; Fri, 21 Aug 2015 14:25:35 +1000 (AEST) Received: from /spool/local by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 21 Aug 2015 14:25:32 +1000 Received: from d23relay08.au.ibm.com (d23relay08.au.ibm.com [9.185.71.33]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 8F2F62BB0052 for ; Fri, 21 Aug 2015 14:25:29 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t7L4PEJa49479878 for ; Fri, 21 Aug 2015 14:25:23 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t7L4OuH9006661 for ; Fri, 21 Aug 2015 14:24:56 +1000 From: Sam Bobroff To: linuxppc-dev@ozlabs.org Cc: mpe@ellerman.id.au, khandual@linux.vnet.ibm.com Subject: [PATCH v2 2/2] powerpc/xmon: Paginate kernel log buffer display Date: Fri, 21 Aug 2015 14:24:28 +1000 Message-Id: In-Reply-To: References: In-Reply-To: References: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The kernel log buffer is often much longer than the size of a terminal so paginate it's output. Signed-off-by: Sam Bobroff --- arch/powerpc/xmon/xmon.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 9ce9e7d..fdd765e 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -248,9 +248,7 @@ Commands:\n\ " u dump TLB\n" #endif " ? help\n" -#ifdef CONFIG_PPC64 -" .# limit output to # lines per page (dump paca only)\n" -#endif +" .# limit output to # lines per page (for dp#, dpa, dl)\n" " zr reboot\n\ zh halt\n" ; @@ -850,6 +848,7 @@ static void paged_set_size(void) paged_size = 0; } } + static void paged_reset(void) { paged_cur_page = 0; @@ -2372,10 +2371,12 @@ dump_log_buf(void) sync(); kmsg_dump_rewind_nolock(&dumper); + paged_start(); while (kmsg_dump_get_line_nolock(&dumper, false, buf, sizeof(buf), &len)) { buf[len] = '\0'; - printf("%s", buf); + XMON_PRINTF("%s", buf); } + paged_end("dl\n"); sync(); /* wait a little while to see if we get a machine check */ -- 2.1.4