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X-CSE-ConnectionGUID: 8H4YBsnuQTmOxsCHe5gzfA== X-CSE-MsgGUID: Zet7kLnkQxyl0rHjX3LuLQ== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="84390807" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="84390807" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2026 01:42:47 -0700 X-CSE-ConnectionGUID: iTYJQ43STIOCBgKdamcSZw== X-CSE-MsgGUID: kczTEktATPOdHIdgyMpRVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="258435328" Received: from linux-pnp-gnr-1.sh.intel.com ([10.239.83.186]) by orviesa003.jf.intel.com with ESMTP; 10 Jul 2026 01:42:43 -0700 From: Jiebin Sun To: Namhyung Kim , Arnaldo Carvalho de Melo , Ingo Molnar , Peter Zijlstra Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Jiebin Sun , Adrian Hunter , Alexander Shishkin , Dapeng Mi , Ian Rogers , James Clark , Jiri Olsa , Mark Rutland , Thomas Falcon , Tianyou Li , Wangyang Guo Subject: [PATCH v2 03/14] perf c2c: add function view type definitions and helpers Date: Fri, 10 Jul 2026 16:42:36 +0800 Message-ID: <20260710084247.3576706-4-jiebin.sun@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260710084247.3576706-1-jiebin.sun@intel.com> References: <20260626070355.1556721-1-jiebin.sun@intel.com> <20260710084247.3576706-1-jiebin.sun@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the foundational type definitions and helper functions for the function view browser: - perf_c2c_ext: extended context holding function-grouped histograms - c2c_function_browser: browser state wrapping hist_browser - symbol_name_equal(): symbol comparison by name - hist_entry__iaddr(): instruction address extraction helper - c2c_hitm_count(): inline accessor for a c2c_stats HITM total 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/ui/browsers/c2c-function.c | 29 +++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/perf/ui/browsers/c2c-function.c b/tools/perf/ui/browsers/c2c-function.c index 040266288be3..dbc912a4a242 100644 --- a/tools/perf/ui/browsers/c2c-function.c +++ b/tools/perf/ui/browsers/c2c-function.c @@ -37,6 +37,35 @@ #include "../../c2c.h" #include "hists.h" +struct perf_c2c_ext { + struct c2c_hists function_hists; + /* Cached across all level-1 entries; 0 means "not yet computed". */ + u64 total_cycles; +}; + +static struct perf_c2c_ext c2c_ext __maybe_unused; + +struct c2c_function_browser { + struct hist_browser hb; +}; + +static __maybe_unused inline u64 c2c_hitm_count(const struct c2c_stats *stats) +{ + return stats->tot_hitm; +} + +static __maybe_unused inline bool symbol_name_equal(struct symbol *a, struct symbol *b) +{ + return a && b && arch__compare_symbol_names(a->name, b->name) == 0; +} + +static __maybe_unused inline u64 hist_entry__iaddr(struct hist_entry *he) +{ + if (he->mem_info) + return mem_info__iaddr(he->mem_info)->addr; + return he->ip; +} + int perf_c2c__browse_function_view(struct hists *hists __maybe_unused) { ui__warning("C2C function view is not implemented yet.\n"); -- 2.52.0