From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759354AbcBYCFo (ORCPT ); Wed, 24 Feb 2016 21:05:44 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:55014 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758987AbcBYB6h (ORCPT ); Wed, 24 Feb 2016 20:58:37 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jiri Olsa , Andi Kleen , David Ahern , Namhyung Kim , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 10/31] perf tools: Change perf_mem__lck_scnprintf to return nb of displayed bytes Date: Wed, 24 Feb 2016 22:58:05 -0300 Message-Id: <1456365506-5492-11-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1456365506-5492-1-git-send-email-acme@kernel.org> References: <1456365506-5492-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa Moving strncat call into scnprintf to easily track number of displayed bytes. It will be used in following patch. Signed-off-by: Jiri Olsa Cc: Andi Kleen Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1456303616-26926-13-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/mem-events.c | 12 +++++++----- tools/perf/util/mem-events.h | 2 +- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index de981ddcd1d3..eadb83d16367 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -221,18 +221,20 @@ int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info) return l; } -void perf_mem__lck_scnprintf(char *out, size_t sz __maybe_unused, - struct mem_info *mem_info) +int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info) { u64 mask = PERF_MEM_LOCK_NA; + int l; if (mem_info) mask = mem_info->data_src.mem_lock; if (mask & PERF_MEM_LOCK_NA) - strncat(out, "N/A", 3); + l = scnprintf(out, sz, "N/A"); else if (mask & PERF_MEM_LOCK_LOCKED) - strncat(out, "Yes", 3); + l = scnprintf(out, sz, "Yes"); else - strncat(out, "No", 2); + l = scnprintf(out, sz, "No"); + + return l; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index 84c79a452f80..87c44ff75dc8 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -28,6 +28,6 @@ struct mem_info; int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info); int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info); int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info); -void perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info); +int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info); #endif /* __PERF_MEM_EVENTS_H */ -- 2.5.0