From nobody Wed Feb 11 23:48:33 2026 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 1A9DAC77B7F for ; Wed, 3 May 2023 08:04:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229923AbjECIEG (ORCPT ); Wed, 3 May 2023 04:04:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229730AbjECIDT (ORCPT ); Wed, 3 May 2023 04:03:19 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A733646AE; Wed, 3 May 2023 01:03:16 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 3D6B4223FE; Wed, 3 May 2023 08:03:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1683100995; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e2pq1wjnhWpzpAUzywg7yjYCKpUJJXlcUeZCAZuKjeQ=; b=ajMzP1vczLO7G7jIFOc9NiidYl3WFlbFEYBsoWk5mT4U81vaYTbjZr9pcOOAfYA5/Wnv8n gF9mfH3QzZ7eqmT/3/XLXcCx9W5GVaars2uGz/GGATDQq6hjZmjYuzdhQ3Je48S7Eq3jCT uDZ5XBFtdofwoW/HsWrSRNr3T6fr1CE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1683100995; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e2pq1wjnhWpzpAUzywg7yjYCKpUJJXlcUeZCAZuKjeQ=; b=Fdy1nUpx1DqPaJ5pDiwa7wy5yJ4yRGpqmlpU+rtEVOjvLbIo3wBU/xMLMqZWOjUkcxeUOP 6NKxwyuyAGhxFrBQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 2F66A1331F; Wed, 3 May 2023 08:03:15 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id bwWbC0MVUmRDYgAAMHmgww (envelope-from ); Wed, 03 May 2023 08:03:15 +0000 From: Daniel Wagner To: linux-nvme@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Chaitanya Kulkarni , Shin'ichiro Kawasaki , Hannes Reinecke , Daniel Wagner Subject: [PATCH blktests v3 09/12] common/fio: Limit number of random jobs Date: Wed, 3 May 2023 10:02:55 +0200 Message-Id: <20230503080258.14525-10-dwagner@suse.de> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230503080258.14525-1-dwagner@suse.de> References: <20230503080258.14525-1-dwagner@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Limit the number of random threads to 32 for big machines. This still gives enough randomness but limits the resource usage. Signed-off-by: Daniel Wagner --- common/fio | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/common/fio b/common/fio index 1db6128be632..06659d7d1d84 100644 --- a/common/fio +++ b/common/fio @@ -189,7 +189,8 @@ _run_fio() { # Wrapper around _run_fio used if you need some I/O but don't really care = much # about the details _run_fio_rand_io() { - _run_fio --bs=3D4k --rw=3Drandread --norandommap --numjobs=3D"$(nproc)" \ + _run_fio --bs=3D4k --rw=3Drandread --norandommap \ + --numjobs=3D"$(OMP_THREAD_LIMIT=3D32 nproc)" \ --name=3Dreads --direct=3D1 "$@" } =20 --=20 2.40.0