From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941038AbcISNNO (ORCPT ); Mon, 19 Sep 2016 09:13:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41608 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938994AbcISNMG (ORCPT ); Mon, 19 Sep 2016 09:12:06 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Don Zickus , Joe Mario , Ingo Molnar , Peter Zijlstra , Namhyung Kim , David Ahern , Andi Kleen Subject: [PATCH 47/61] perf c2c report: Add cacheline browser Date: Mon, 19 Sep 2016 15:09:56 +0200 Message-Id: <1474290610-23241-48-git-send-email-jolsa@kernel.org> In-Reply-To: <1474290610-23241-1-git-send-email-jolsa@kernel.org> References: <1474290610-23241-1-git-send-email-jolsa@kernel.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 19 Sep 2016 13:12:05 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding single cacheline TUI 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). Link: http://lkml.kernel.org/n/tip-fovjwgyusv3rz5qxk3hnahtl@git.kernel.org Signed-off-by: Jiri Olsa --- 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 47d5408aeff8..b380cdf0e6aa 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