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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3158C433E0 for ; Mon, 6 Jul 2020 05:13:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDFEA2074F for ; Mon, 6 Jul 2020 05:13:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594012393; bh=NMfbm3tD/jlMh+rbwO32nIfh6SNp9Qec71BKYvnl79I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=DDK2nh0TYgNcDPFOGugLrmXF1UDtY4nQ0mUMZiXVWKQED/B2iuqeq61A2DD475BB5 X2R40IFc0Emu/uEJkEzLXfz0RLtHyN9T5UtWK79nfLApbG9+FFdmlPx7O+VObRNNT9 ifiuxNB7behU1/uw7w3DeNwmAFeQY0vaOA69lQgc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728362AbgGFFNN (ORCPT ); Mon, 6 Jul 2020 01:13:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:49480 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726879AbgGFFNN (ORCPT ); Mon, 6 Jul 2020 01:13:13 -0400 Received: from localhost (unknown [122.182.251.219]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1A57620715; Mon, 6 Jul 2020 05:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594012393; bh=NMfbm3tD/jlMh+rbwO32nIfh6SNp9Qec71BKYvnl79I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=V05t8v+MTDFNvNZsgRXt4cffqxSwel6BCwTMZd8UJYtlRtuZn2SXX5VhKqh5E6zV1 Kl1EGYV/LIV1nbICu0KxS5zV1ftRLnMnHyj/Wlmcxgp/XNU7aW2dXHtlYdNSdk72lu ou7O5fnIskYYMA07+2fY4qR57yMhWYAfuCi7IRyY= Date: Mon, 6 Jul 2020 10:43:09 +0530 From: Vinod Koul To: Peter Ujfalusi Cc: dmaengine@vger.kernel.org, dan.j.williams@intel.com, grygorii.strashko@ti.com, vladimir.murzin@arm.com Subject: Re: [PATCH] dmaengine: dmatest: stop completed threads when running without set channel Message-ID: <20200706051309.GF633187@vkoul-mobl> References: <20200701101225.8607-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200701101225.8607-1-peter.ujfalusi@ti.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 01-07-20, 13:12, Peter Ujfalusi wrote: > The completed threads were not cleared and consequent run would result > threads accumulating: > > echo 800000 > /sys/module/dmatest/parameters/test_buf_size > echo 2000 > /sys/module/dmatest/parameters/timeout > echo 50 > /sys/module/dmatest/parameters/iterations > echo 1 > /sys/module/dmatest/parameters/max_channels > echo "" > /sys/module/dmatest/parameters/channel > [ 237.507265] dmatest: Added 1 threads using dma1chan2 > echo 1 > /sys/module/dmatest/parameters/run > [ 244.713360] dmatest: Started 1 threads using dma1chan2 > [ 246.117680] dmatest: dma1chan2-copy0: summary 50 tests, 0 failures 2437.47 iops 977623 KB/s (0) > > echo 1 > /sys/module/dmatest/parameters/run > [ 292.381471] dmatest: No channels configured, continue with any > [ 292.389307] dmatest: Added 1 threads using dma1chan3 > [ 292.394302] dmatest: Started 1 threads using dma1chan2 > [ 292.399454] dmatest: Started 1 threads using dma1chan3 > [ 293.800835] dmatest: dma1chan3-copy0: summary 50 tests, 0 failures 2624.53 iops 975014 KB/s (0) > > echo 1 > /sys/module/dmatest/parameters/run > [ 307.301429] dmatest: No channels configured, continue with any > [ 307.309212] dmatest: Added 1 threads using dma1chan4 > [ 307.314197] dmatest: Started 1 threads using dma1chan2 > [ 307.319343] dmatest: Started 1 threads using dma1chan3 > [ 307.324492] dmatest: Started 1 threads using dma1chan4 > [ 308.730773] dmatest: dma1chan4-copy0: summary 50 tests, 0 failures 2390.28 iops 965436 KB/s (0) Applied, thanks -- ~Vinod