From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CB443F4831; Fri, 24 Jul 2026 09:52:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784886727; cv=none; b=IGlBFjiWdc6iaI3Cwru53bf27innevIOu9n5TQyEj3LbboUNQEXidoxtFpgifu/sm3RnpU0k7Ai2j1XGc4zz2eLrWZn9AFER6BAPahAsOpdEen7wrmFTcEw4zz1CP3vhzUPHFcAe4a81nBBkvvc12M4A+FsMxdZrzPudK8IZTLc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784886727; c=relaxed/simple; bh=ATGHRjit6QlTuDdIZ41LbqZvG2hh+QDuLrI/HLK7JlA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gW/nWQVuexyfVgCzWyUG8uAvJepwG0TMts+f0JwMG11MQAn5Sh8pA9dBFcrlDZ60ntyaVMG3dl1y2YUluFUfLyxFApFRsaT/B0KY/xIF6OItt+RBrARS5/1r1gwppI8KeFB7T1optAHsGZZJkqOYeO4uxMEzNVFnTWhdm+bglQ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=L5cY4ywl; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="L5cY4ywl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784886726; x=1816422726; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ATGHRjit6QlTuDdIZ41LbqZvG2hh+QDuLrI/HLK7JlA=; b=L5cY4ywl5fzTV7Of/nKgUyP81Z4cusoqKmCs79WuJgz9NRvJYHO7DaVQ wOJTnkjQo1ID1W093GnDB3y88xKuvv5n4YgEZGzoFd0UpA4yAHJBm+WL1 ZHK6FJB/zcN8oULiOEztgaVfaAIKrq6Et4HibMR29Yo0awe7uXO5I530g PpiudybTNIt4o67mSJFFUdXKtRNM1famAqieGeDF2uIDG3UHVqwqsyh4A Lpon1vmfIwmx1cRqh+yTyEpFS+vT+Gd8jpC15UpZLizYBrF+Ij7/fEYNx buUIxzUcmWrTDOlsZnOy1z1TJvO/16DCJaNfiFI8OG+TZaTXsTwe6TE7o A==; X-CSE-ConnectionGUID: 4A4x62CwRYazdc1CI4U/5g== X-CSE-MsgGUID: c/U+Q+38Qgaecc56htkIjg== X-IronPort-AV: E=McAfee;i="6800,10657,11854"; a="95907566" X-IronPort-AV: E=Sophos;i="6.25,182,1779174000"; d="scan'208";a="95907566" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2026 02:52:06 -0700 X-CSE-ConnectionGUID: 1k4sLbvZQUWvr8kilsf6OQ== X-CSE-MsgGUID: X4zwbx/1RVqsmrP7O3H+LQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,182,1779174000"; d="scan'208";a="256018429" Received: from linux-pnp-gnr-1.sh.intel.com ([10.239.83.186]) by fmviesa008.fm.intel.com with ESMTP; 24 Jul 2026 02:52:00 -0700 From: Jiebin Sun To: Namhyung Kim , acme@kernel.org, mingo@redhat.com, peterz@infradead.org Cc: adrian.hunter@intel.com, alexander.shishkin@linux.intel.com, irogers@google.com, james.clark@linaro.org, jolsa@kernel.org, mark.rutland@arm.com, dapeng1.mi@linux.intel.com, thomas.falcon@intel.com, tianyou.li@intel.com, wangyang.guo@intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Jiebin Sun Subject: [PATCH v4 1/9] perf c2c: extract shared data structures into c2c.h Date: Fri, 24 Jul 2026 17:58:34 +0800 Message-ID: <20260724095842.995920-2-jiebin.sun@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260724095842.995920-1-jiebin.sun@intel.com> References: <20260717020530.1645123-1-jiebin.sun@intel.com> <20260724095842.995920-1-jiebin.sun@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Move c2c_hists, compute_stats, c2c_hist_entry, and perf_c2c structure definitions from builtin-c2c.c into a new shared header c2c.h. This allows the upcoming function view browser (c2c-function.c) to reuse these types. Make the global perf_c2c instance 'c2c' non-static and export perf_c2c__browse_cacheline() so they can be accessed from the new function view module. No functional change. Signed-off-by: Jiebin Sun Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Arnaldo Carvalho de Melo Cc: Dapeng Mi Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Falcon Reviewed-by: Tianyou Li Reviewed-by: Wangyang Guo --- tools/perf/builtin-c2c.c | 128 ++------------------------------ tools/perf/c2c.h | 153 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 161 insertions(+), 120 deletions(-) create mode 100644 tools/perf/c2c.h diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index c9584dbedf77..f1dd9d8699cb 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -38,6 +38,7 @@ #include "mem-events.h" #include "mem-info.h" #include "mem2node.h" +#include "c2c.h" #include "pmus.h" #include "session.h" #include "sort.h" @@ -52,75 +53,9 @@ #include "util/symbol.h" #include "util/util.h" -struct c2c_hists { - struct hists hists; - struct perf_hpp_list list; - struct c2c_stats stats; -}; - -struct compute_stats { - struct stats lcl_hitm; - struct stats rmt_hitm; - struct stats lcl_peer; - struct stats rmt_peer; - struct stats load; -}; - -struct c2c_hist_entry { - struct c2c_hists *hists; - struct evsel *evsel; - struct c2c_stats stats; - unsigned long *cpuset; - unsigned long *nodeset; - struct c2c_stats *node_stats; - unsigned int cacheline_idx; - - struct compute_stats cstats; - - unsigned long paddr; - unsigned long paddr_cnt; - bool paddr_zero; - char *nodestr; - - /* - * must be at the end, - * because of its callchain dynamic entry - */ - struct hist_entry he; -}; static char const *coalesce_default = "iaddr"; -struct perf_c2c { - struct perf_tool tool; - struct c2c_hists hists; - struct mem2node mem2node; - - unsigned long **nodes; - int nodes_cnt; - int cpus_cnt; - int *cpu2node; - int node_info; - - bool show_src; - bool show_all; - bool use_stdio; - bool stats_only; - bool symbol_full; - bool stitch_lbr; - - /* Shared cache line stats */ - struct c2c_stats shared_clines_stats; - int shared_clines; - - int display; - - const char *coalesce; - char *cl_sort; - char *cl_resort; - char *cl_output; -}; - enum { DISPLAY_LCL_HITM, DISPLAY_RMT_HITM, @@ -141,9 +76,9 @@ static const struct option c2c_options[] = { OPT_END() }; -static struct perf_c2c c2c; +struct perf_c2c c2c; -static void *c2c_he_zalloc(size_t size) +void *c2c_he_zalloc(size_t size) { struct c2c_hist_entry *c2c_he; @@ -458,36 +393,6 @@ static const char * const __usage_report[] = { static const char * const *report_c2c_usage = __usage_report; -#define C2C_HEADER_MAX 2 - -struct c2c_header { - struct { - const char *text; - int span; - } line[C2C_HEADER_MAX]; -}; - -struct c2c_dimension { - struct c2c_header header; - const char *name; - int width; - struct sort_entry *se; - - int64_t (*cmp)(struct perf_hpp_fmt *fmt, - struct hist_entry *, struct hist_entry *); - int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct hist_entry *he); - int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct hist_entry *he); -}; - -struct c2c_fmt { - struct perf_hpp_fmt fmt; - struct c2c_dimension *dim; -}; - -#define SYMBOL_WIDTH 30 - static struct c2c_dimension dim_symbol; static struct c2c_dimension dim_srcline; @@ -1389,23 +1294,6 @@ cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, return scnprintf(hpp->buf, hpp->size, "%*s", width, ""); } -#define HEADER_LOW(__h) \ - { \ - .line[1] = { \ - .text = __h, \ - }, \ - } - -#define HEADER_BOTH(__h0, __h1) \ - { \ - .line[0] = { \ - .text = __h0, \ - }, \ - .line[1] = { \ - .text = __h1, \ - }, \ - } - #define HEADER_SPAN(__h0, __h1, __s) \ { \ .line[0] = { \ @@ -1928,7 +1816,7 @@ static struct c2c_dimension *dimensions[] = { NULL, }; -static void fmt_free(struct perf_hpp_fmt *fmt) +void c2c_fmt_free(struct perf_hpp_fmt *fmt) { struct c2c_fmt *c2c_fmt; @@ -1936,7 +1824,7 @@ static void fmt_free(struct perf_hpp_fmt *fmt) free(c2c_fmt); } -static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) +bool c2c_fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) { struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt); struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt); @@ -2021,8 +1909,8 @@ static struct c2c_fmt *get_format(const char *name) fmt->header = c2c_header; fmt->width = c2c_width; fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp; - fmt->equal = fmt_equal; - fmt->free = fmt_free; + fmt->equal = c2c_fmt_equal; + fmt->free = c2c_fmt_free; return c2c_fmt; } @@ -2710,7 +2598,7 @@ c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he) return browser; } -static int perf_c2c__browse_cacheline(struct hist_entry *he) +int perf_c2c__browse_cacheline(struct hist_entry *he) { struct c2c_hist_entry *c2c_he; struct c2c_hists *c2c_hists; diff --git a/tools/perf/c2c.h b/tools/perf/c2c.h new file mode 100644 index 000000000000..432d5f0b28f1 --- /dev/null +++ b/tools/perf/c2c.h @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _PERF_C2C_H_ +#define _PERF_C2C_H_ 1 + +#include +#include +#include +#include "util/stat.h" +#include "util/hist.h" +#include "util/mem-events.h" +#include "util/mem2node.h" +#include "util/tool.h" + +struct sort_entry; + +struct compute_stats { + struct stats lcl_hitm; + struct stats rmt_hitm; + struct stats lcl_peer; + struct stats rmt_peer; + struct stats load; +}; + +struct c2c_hists { + struct hists hists; + struct perf_hpp_list list; + struct c2c_stats stats; +}; + +struct c2c_hist_entry { + struct c2c_hists *hists; + struct evsel *evsel; + struct c2c_stats stats; + unsigned long *cpuset; + unsigned long *nodeset; + struct c2c_stats *node_stats; + unsigned int cacheline_idx; + + struct compute_stats cstats; + + unsigned long paddr; + unsigned long paddr_cnt; + bool paddr_zero; + char *nodestr; + + /* + * Function view only: cached sum of the level-2 children's store + * counts, accumulated while the hierarchy is built. Lets the + * total-stores column and its sort comparator avoid an O(children) + * walk on every access. Unused by the cacheline view. + */ + u64 child_stores; + + /* + * must be at the end, + * because of its callchain dynamic entry + */ + struct hist_entry he; +}; + +struct perf_c2c { + struct perf_tool tool; + struct c2c_hists hists; + struct mem2node mem2node; + + unsigned long **nodes; + int nodes_cnt; + int cpus_cnt; + int *cpu2node; + int node_info; + + bool show_src; + bool show_all; + bool use_stdio; + bool stats_only; + bool symbol_full; + bool stitch_lbr; + + /* Shared cache line stats */ + struct c2c_stats shared_clines_stats; + int shared_clines; + + int display; + + const char *coalesce; + char *cl_sort; + char *cl_resort; + char *cl_output; +}; + +extern struct perf_c2c c2c; + +#define C2C_HEADER_MAX 2 +#define SYMBOL_WIDTH 30 + +#define HEADER_LOW(__h) \ + { \ + .line[1] = { \ + .text = __h, \ + }, \ + } + +#define HEADER_BOTH(__h0, __h1) \ + { \ + .line[0] = { \ + .text = __h0, \ + }, \ + .line[1] = { \ + .text = __h1, \ + }, \ + } + +struct c2c_header { + struct { + const char *text; + int span; + } line[C2C_HEADER_MAX]; +}; + +struct c2c_dimension { + struct c2c_header header; + const char *name; + int width; + struct sort_entry *se; + + int64_t (*cmp)(struct perf_hpp_fmt *fmt, + struct hist_entry *left, struct hist_entry *right); + int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he); + int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he); +}; + +struct c2c_fmt { + struct perf_hpp_fmt fmt; + struct c2c_dimension *dim; +}; + +void *c2c_he_zalloc(size_t size); +void c2c_fmt_free(struct perf_hpp_fmt *fmt); +bool c2c_fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b); + +/* + * The TUI browsers are only built with SLANG support. Their sole callers + * live inside HAVE_SLANG_SUPPORT-guarded code in builtin-c2c.c (stdio mode + * forces use_browser=0), so no #else stub is needed -- matching the rest of + * perf's TUI entry points. + */ +#ifdef HAVE_SLANG_SUPPORT +int perf_c2c__browse_cacheline(struct hist_entry *he); +#endif + +#endif /* _PERF_C2C_H_ */ -- 2.52.0