From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFC53C32772 for ; Tue, 23 Aug 2022 21:51:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231737AbiHWVve (ORCPT ); Tue, 23 Aug 2022 17:51:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231363AbiHWVvY (ORCPT ); Tue, 23 Aug 2022 17:51:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DB2760523 for ; Tue, 23 Aug 2022 14:51:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id F08EAB821B4 for ; Tue, 23 Aug 2022 21:51:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3B43C433D7; Tue, 23 Aug 2022 21:51:20 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.96) (envelope-from ) id 1oQboB-009ztU-22; Tue, 23 Aug 2022 17:51:39 -0400 Message-ID: <20220823215139.392645715@goodmis.org> User-Agent: quilt/0.66 Date: Tue, 23 Aug 2022 17:46:07 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Masami Hiramatsu , Tom Zanussi Subject: [PATCH 1/4] tracing: Add numeric delta time to the trace event benchmark References: <20220823214606.344269352@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (Google)" In order to testing filtering and histograms via the trace event benchmark, record the delta time of the last event as a numeric value (currently, it just saves it within the string) so that filters and histograms can use it. Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_benchmark.c | 2 +- kernel/trace/trace_benchmark.h | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace_benchmark.c b/kernel/trace/trace_benchmark.c index 801c2a7f7605..54d5fa35c90a 100644 --- a/kernel/trace/trace_benchmark.c +++ b/kernel/trace/trace_benchmark.c @@ -51,7 +51,7 @@ static void trace_do_benchmark(void) local_irq_disable(); start = trace_clock_local(); - trace_benchmark_event(bm_str); + trace_benchmark_event(bm_str, bm_last); stop = trace_clock_local(); local_irq_enable(); diff --git a/kernel/trace/trace_benchmark.h b/kernel/trace/trace_benchmark.h index 79e6fbe5b365..c3e91060dc94 100644 --- a/kernel/trace/trace_benchmark.h +++ b/kernel/trace/trace_benchmark.h @@ -14,19 +14,21 @@ extern void trace_benchmark_unreg(void); TRACE_EVENT_FN(benchmark_event, - TP_PROTO(const char *str), + TP_PROTO(const char *str, u64 delta), - TP_ARGS(str), + TP_ARGS(str, delta), TP_STRUCT__entry( __array( char, str, BENCHMARK_EVENT_STRLEN ) + __field( u64, delta) ), TP_fast_assign( memcpy(__entry->str, str, BENCHMARK_EVENT_STRLEN); + __entry->delta = delta; ), - TP_printk("%s", __entry->str), + TP_printk("%s delta=%llu", __entry->str, __entry->delta), trace_benchmark_reg, trace_benchmark_unreg ); -- 2.35.1