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 A2A70C46467 for ; Tue, 22 Nov 2022 20:41:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234995AbiKVUlj (ORCPT ); Tue, 22 Nov 2022 15:41:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234569AbiKVUlB (ORCPT ); Tue, 22 Nov 2022 15:41:01 -0500 Received: from smtpout.efficios.com (unknown [IPv6:2607:5300:203:b2ee::31e5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDBFB716E3; Tue, 22 Nov 2022 12:39:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1669149597; bh=O1N2y3vjljIZnKe9A0DWaJyuaE+DJOz1zqwzlJQB/j4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FH7kxxsZPNpCeWLHljPWd50s3fK1CsH4OXiUxDH0jqtzGiw0TUUBVWGDNuR+tQpct rroSkpWJfrMBtTt8xT9zKWR/lqefUTomiiG+stVJdiEQvrX3bJI6RsfRWx7T2aZhSD m/Jhj69J2E4Nkv7benyo6QmJxAk43hcbZaRUw1iSmeKuhvUZcMW1ckZrTFuZaZC6kA iUMIk0m2QCc0mqNZths82FXge0o/YMfl5Cj6dU2olLZuXPIGPqS31M7w5wD4h3ntKX XQORaOj+SPbuY1DXGDyub5sJAIhj6RZodCmsIkL6QlfX+h9iOF2udmmPFapgNLVpW1 /10GtKzySEgEQ== Received: from localhost.localdomain (192-222-180-24.qc.cable.ebox.net [192.222.180.24]) by smtpout.efficios.com (Postfix) with ESMTPSA id 4NGx2h5jgJzXLV; Tue, 22 Nov 2022 15:39:56 -0500 (EST) From: Mathieu Desnoyers To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , "Paul E . McKenney" , Boqun Feng , "H . Peter Anvin" , Paul Turner , linux-api@vger.kernel.org, Christian Brauner , Florian Weimer , David.Laight@ACULAB.COM, carlos@redhat.com, Peter Oskolkov , Alexander Mikhalitsyn , Chris Kennelly , Mathieu Desnoyers Subject: [PATCH 30/30] tracing/rseq: Add mm_numa_cid field to rseq_update Date: Tue, 22 Nov 2022 15:39:32 -0500 Message-Id: <20221122203932.231377-31-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221122203932.231377-1-mathieu.desnoyers@efficios.com> References: <20221122203932.231377-1-mathieu.desnoyers@efficios.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org Add the mm_numa_cid field to the rseq_update event, allowing tracers to follow which mm_numa_cid is observed by user-space, and whether negative mm_numa_cid values are visible in case of internal scheduler implementation issues. Signed-off-by: Mathieu Desnoyers --- include/trace/events/rseq.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/trace/events/rseq.h b/include/trace/events/rseq.h index 823b47d1ba1e..95f33d2c0714 100644 --- a/include/trace/events/rseq.h +++ b/include/trace/events/rseq.h @@ -18,16 +18,18 @@ TRACE_EVENT(rseq_update, __field(s32, cpu_id) __field(s32, node_id) __field(s32, mm_cid) + __field(s32, mm_numa_cid) ), TP_fast_assign( __entry->cpu_id = raw_smp_processor_id(); __entry->node_id = cpu_to_node(__entry->cpu_id); __entry->mm_cid = task_mm_cid(t); + __entry->mm_numa_cid = task_mm_numa_cid(t); ), - TP_printk("cpu_id=%d node_id=%d mm_cid=%d", __entry->cpu_id, - __entry->node_id, __entry->mm_cid) + TP_printk("cpu_id=%d node_id=%d mm_cid=%d mm_numa_cid=%d", __entry->cpu_id, + __entry->node_id, __entry->mm_cid, __entry->mm_numa_cid) ); TRACE_EVENT(rseq_ip_fixup, -- 2.25.1