From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939019AbcJTPIn (ORCPT ); Thu, 20 Oct 2016 11:08:43 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:34209 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758695AbcJTPEy (ORCPT ); Thu, 20 Oct 2016 11:04:54 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Linux Weekly News , Jiri Olsa , Andi Kleen , David Ahern , Don Zickus , Joe Mario , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 37/52] perf c2c report: Add TUI cacheline browser Date: Thu, 20 Oct 2016 12:04:21 -0300 Message-Id: <1476975876-2522-38-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476975876-2522-1-git-send-email-acme@kernel.org> References: <1476975876-2522-1-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 Adding simple TUI cacheline browser. It triggers when you press 'd' in the main browser on the specific cacheline. It allows to navigate through cacheline's offsets and display callchains (implemented in following patches). Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: David Ahern Cc: Don Zickus Cc: Joe Mario Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-fovjwgyusv3rz5qxk3hnahtl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-c2c.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index c42991664703..2b99d1273024 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -1829,6 +1829,84 @@ static void c2c_browser__update_nr_entries(struct hist_browser *hb) hb->nr_non_filtered_entries = nr_entries; } +struct c2c_cacheline_browser { + struct hist_browser hb; + struct hist_entry *he; +}; + +static int +perf_c2c_cacheline_browser__title(struct hist_browser *browser, + char *bf, size_t size) +{ + struct c2c_cacheline_browser *cl_browser; + struct hist_entry *he; + uint64_t addr = 0; + + cl_browser = container_of(browser, struct c2c_cacheline_browser, hb); + he = cl_browser->he; + + if (he->mem_info) + addr = cl_address(he->mem_info->daddr.addr); + + scnprintf(bf, size, "Cacheline 0x%lx", addr); + return 0; +} + +static struct c2c_cacheline_browser* +c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he) +{ + struct c2c_cacheline_browser *browser; + + browser = zalloc(sizeof(*browser)); + if (browser) { + hist_browser__init(&browser->hb, hists); + browser->hb.c2c_filter = true; + browser->hb.title = perf_c2c_cacheline_browser__title; + browser->he = he; + } + + return browser; +} + +static int perf_c2c__browse_cacheline(struct hist_entry *he) +{ + struct c2c_hist_entry *c2c_he; + struct c2c_hists *c2c_hists; + struct c2c_cacheline_browser *cl_browser; + struct hist_browser *browser; + int key = -1; + + c2c_he = container_of(he, struct c2c_hist_entry, he); + c2c_hists = c2c_he->hists; + + cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he); + if (cl_browser == NULL) + return -1; + + browser = &cl_browser->hb; + + /* reset abort key so that it can get Ctrl-C as a key */ + SLang_reset_tty(); + SLang_init_tty(0, 0, 0); + + c2c_browser__update_nr_entries(browser); + + while (1) { + key = hist_browser__run(browser, "help"); + + switch (key) { + case 'q': + goto out; + default: + break; + } + } + +out: + free(cl_browser); + return 0; +} + static int perf_c2c_browser__title(struct hist_browser *browser, char *bf, size_t size) { @@ -1872,6 +1950,9 @@ static int perf_c2c__hists_browse(struct hists *hists) switch (key) { case 'q': goto out; + case 'd': + perf_c2c__browse_cacheline(browser->he_selection); + break; default: break; } -- 2.7.4