From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 63FE67D089 for ; Tue, 1 Jan 2019 15:47:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728763AbfAAPro (ORCPT ); Tue, 1 Jan 2019 10:47:44 -0500 Received: from mail-pl1-f193.google.com ([209.85.214.193]:46894 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728135AbfAAPro (ORCPT ); Tue, 1 Jan 2019 10:47:44 -0500 Received: by mail-pl1-f193.google.com with SMTP id t13so13557481ply.13; Tue, 01 Jan 2019 07:47:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=L2UqHaQcHB3jJg5m5medN000xUlZ4oCMNEmDX29sj3c=; b=sjeE2ENwjMr9+TeArMw+DqfFRmVbTvdH02DzAKkCsSsF6MlLUZAIlADNCpX3hT4TDj KpnIZ2ARlpDKC2EH1HbgWDYCrgebW3cvi654WWP1PTvTolFRxa4fkivhvtPd6xTPley1 1zTC+H+vCPmFaITxLFFEFIhA4hvqdhU1enYpkdmrx+txZGl7TM9MOO3dmXZA8Yn5zhAt pK5rd+0en+p+Dyv9IeYTFt39RrfcFFXiKBgJHdMsCfl1DD4hd4K4fmXRq6iiMmH/Jl0a hmdQmunAwwFbkxeWvOccJBJAU25ePEdEOpYBKQYd9Cupq31Ivt9Yqb9P8x+JyHUC93Lx oUEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=L2UqHaQcHB3jJg5m5medN000xUlZ4oCMNEmDX29sj3c=; b=KSZWXqy7UG2sZgU3JJ4tLpWOS7nKOo+GFMAGSJMj/8Z9zHR8z45d6DOEqG0i1gKWmE DR9siWR6yOlLYjYRuLVId/3DrztyQKt3K+/zhOz88fLfwGgb4mhtKrq/A2sRlsr95U1c q7sdWuH7KEpIZRmYvgam3/ikFI6quz2HKQCFkcl+3VGxuQLhxbhDtr+orpLHA+xzE7Fs 7etyKDmtIUOM6JBTNJVGk88K7urTJfUlM3IjEx1eonYYqU0olw+qOX54giaQ7WT/4+wS rGIA+3BbW9hAtH+HHtbnY3pPVMwEjNkxIOlW+X4AGDcs6xYj5+1dfcz0IdXMkNSDK2vF Sm2w== X-Gm-Message-State: AJcUukfeFeeBSI+UIjAzaIjz9qhlsBIkNb3hNtqIwtwJeklmd7+L/Y+V zbw+NqZutyFc/fFE3IX48No= X-Google-Smtp-Source: ALg8bN5N3KiHESm2K3oPkL6yZlXCGXcpRLegf/EomrByuLuvHIIZ3xi/I1pgBfb77efyoAzrObyy6A== X-Received: by 2002:a17:902:aa82:: with SMTP id d2mr40814896plr.153.1546357664195; Tue, 01 Jan 2019 07:47:44 -0800 (PST) Received: from localhost.localdomain ([207.246.99.41]) by smtp.gmail.com with ESMTPSA id m3sm84122386pff.173.2019.01.01.07.47.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Jan 2019 07:47:43 -0800 (PST) From: Changbin Du To: rostedt@goodmis.org Cc: mingo@redhat.com, corbet@lwn.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Changbin Du Subject: [PATCH 2/5] sched/tracing: Show more info for funcgraph wakeup tracers Date: Tue, 1 Jan 2019 23:46:11 +0800 Message-Id: <20190101154614.8887-3-changbin.du@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190101154614.8887-1-changbin.du@gmail.com> References: <20190101154614.8887-1-changbin.du@gmail.com> Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Add these info fields to funcgraph wakeup tracers: o Show CPU info since the waker could be on a different CPU. o Show function duration and overhead. o Show IRQ markers. Signed-off-by: Changbin Du --- kernel/trace/trace_sched_wakeup.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index b6c5fa10347e..da5b6e012840 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -180,8 +180,11 @@ static void wakeup_trace_close(struct trace_iterator *iter) } #define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \ + TRACE_GRAPH_PRINT_CPU | \ TRACE_GRAPH_PRINT_REL_TIME | \ - TRACE_GRAPH_PRINT_DURATION) + TRACE_GRAPH_PRINT_DURATION | \ + TRACE_GRAPH_PRINT_OVERHEAD | \ + TRACE_GRAPH_PRINT_IRQS) static enum print_line_t wakeup_print_line(struct trace_iterator *iter) { -- 2.17.1