From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757117Ab3CULQl (ORCPT ); Thu, 21 Mar 2013 07:16:41 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56382 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755481Ab3CULQk (ORCPT ); Thu, 21 Mar 2013 07:16:40 -0400 Date: Thu, 21 Mar 2013 04:15:06 -0700 From: tip-bot for Namhyung Kim Message-ID: Cc: acme@redhat.com, linux-kernel@vger.kernel.org, paulus@samba.org, hpa@zytor.com, mingo@kernel.org, andi@firstfloor.org, a.p.zijlstra@chello.nl, penberg@kernel.org, namhyung.kim@lge.com, namhyung@kernel.org, jolsa@redhat.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, paulus@samba.org, linux-kernel@vger.kernel.org, acme@redhat.com, andi@firstfloor.org, a.p.zijlstra@chello.nl, penberg@kernel.org, namhyung.kim@lge.com, tglx@linutronix.de, namhyung@kernel.org, jolsa@redhat.com In-Reply-To: <1362462812-30885-4-git-send-email-namhyung@kernel.org> References: <1362462812-30885-4-git-send-email-namhyung@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf annotate: Factor out disasm__calc_percent() Git-Commit-ID: e5ccf9f45d8bff6bfeafa561d2238b0e4beb415e X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Thu, 21 Mar 2013 04:15:16 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e5ccf9f45d8bff6bfeafa561d2238b0e4beb415e Gitweb: http://git.kernel.org/tip/e5ccf9f45d8bff6bfeafa561d2238b0e4beb415e Author: Namhyung Kim AuthorDate: Tue, 5 Mar 2013 14:53:23 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 15 Mar 2013 13:06:04 -0300 perf annotate: Factor out disasm__calc_percent() Factor out calculation of histogram of a symbol into disasm__calc_percent. It'll be used for later changes. Signed-off-by: Namhyung Kim Cc: Andi Kleen Cc: Ingo Molnar Cc: Jiri Olsa Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1362462812-30885-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 49 ++++++++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 19 deletions(-) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index fa347b1..a91d7b1 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -603,6 +603,33 @@ struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disa return NULL; } +static double disasm__calc_percent(struct disasm_line *next, + struct annotation *notes, int evidx, + s64 offset, u64 len, const char **path) +{ + struct source_line *src_line = notes->src->lines; + struct sym_hist *h = annotation__histogram(notes, evidx); + unsigned int hits = 0; + double percent = 0.0; + + while (offset < (s64)len && + (next == NULL || offset < next->offset)) { + if (src_line) { + if (*path == NULL) + *path = src_line[offset].path; + percent += src_line[offset].percent; + } else + hits += h->addr[offset]; + + ++offset; + } + + if (src_line == NULL && h->sum) + percent = 100.0 * hits / h->sum; + + return percent; +} + static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, int max_lines, struct disasm_line *queue) @@ -612,33 +639,17 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st if (dl->offset != -1) { const char *path = NULL; - unsigned int hits = 0; - double percent = 0.0; + double percent; const char *color; struct annotation *notes = symbol__annotation(sym); - struct source_line *src_line = notes->src->lines; - struct sym_hist *h = annotation__histogram(notes, evsel->idx); s64 offset = dl->offset; const u64 addr = start + offset; struct disasm_line *next; next = disasm__get_next_ip_line(¬es->src->source, dl); - while (offset < (s64)len && - (next == NULL || offset < next->offset)) { - if (src_line) { - if (path == NULL) - path = src_line[offset].path; - percent += src_line[offset].percent; - } else - hits += h->addr[offset]; - - ++offset; - } - - if (src_line == NULL && h->sum) - percent = 100.0 * hits / h->sum; - + percent = disasm__calc_percent(next, notes, evsel->idx, + offset, len, &path); if (percent < min_pcnt) return -1;