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[144.49.247.15]) by smtp-relay.gmail.com with ESMTPS id 586e51a60fabf-423dda061f5sm126463fac.10.2026.04.09.15.14.44 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Apr 2026 15:14:45 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-8abd6e281c0so27883336d6.1 for ; Thu, 09 Apr 2026 15:14:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1775772884; x=1776377684; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HOqEOVa/VITh1xF/avB48BwSmGbagcoSGHiOUBS/gqU=; b=gyBrg/MLlmZ0IZND+ZR8KlftCSsopN8HqUmWY8yE2VMN7BAbWZkd2V8p8ihITV0Jek +xZpEKscGYFBIQUap8VPQEWel4S9ewCzUhhDBqA5qsXEyqViZPXcs7uz9ybMq1dLUa68 pGPk5jQl3GhQcdxJ72o4FyHaK0DhXVS5JlL2w= X-Forwarded-Encrypted: i=1; AJvYcCWYabZtTdgu8NodEOD5zYmU8Ke8a/JbXZR9mQUyFjCG9q4p3ko/wV1y8LewgJe4H2F9N4H5Psuq2uelTDoVhWVT@vger.kernel.org X-Received: by 2002:ad4:5749:0:b0:8a5:fb34:c9fd with SMTP id 6a1803df08f44-8ac8628aa69mr10315486d6.25.1775772884164; Thu, 09 Apr 2026 15:14:44 -0700 (PDT) X-Received: by 2002:ad4:5749:0:b0:8a5:fb34:c9fd with SMTP id 6a1803df08f44-8ac8628aa69mr10314836d6.25.1775772883540; Thu, 09 Apr 2026 15:14:43 -0700 (PDT) Received: from lbrmn-mmayer.ric.broadcom.net ([192.19.161.248]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8ac84a4355esm7228076d6.19.2026.04.09.15.14.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2026 15:14:42 -0700 (PDT) Received: by lbrmn-mmayer.ric.broadcom.net (Postfix, from userid 1000) id 7E946D8A; Thu, 9 Apr 2026 15:14:41 -0700 (PDT) From: Markus Mayer To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Cc: Markus Mayer , Perf Mailing List , Linux Kernel Mailing List Subject: [PATCH 1/1] perf build: fix "argument list too long" in second location Date: Thu, 9 Apr 2026 15:14:17 -0700 Message-ID: <20260409221418.185343-2-mmayer@broadcom.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260409221418.185343-1-mmayer@broadcom.com> References: <20260409221418.185343-1-mmayer@broadcom.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Turns out that displaying "RM $^" via quiet_cmd_rm can also upset the shell and cause it to display "argument list too long". Trying to quote $^ doesn't help. In the end, *not* displaying the (potentially long) list of files is probably the right thing to do for a "quiet" message, anyway. Instead, let's display a count of how many files were removed. There is always V=1 if more detail is required. TEST linux/tools/perf/pmu-events/metric_test.log RM ...634 orphan file(s)... LD linux/tools/perf/util/perf-util-in.o Also move the comment regarding xargs before the rule, so it doesn't show up in the build output. Signed-off-by: Markus Mayer --- tools/perf/pmu-events/Build | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build index dc5f94862a3b..dc1df2d57ddc 100644 --- a/tools/perf/pmu-events/Build +++ b/tools/perf/pmu-events/Build @@ -211,10 +211,10 @@ ifneq ($(strip $(ORPHAN_FILES)),) # Message for $(call echo-cmd,rm). Generally cleaning files isn't part # of a build step. -quiet_cmd_rm = RM $^ +quiet_cmd_rm = RM ...$(words $^) orphan file(s)... +# The list of files can be long. Use xargs to prevent issues. prune_orphans: $(ORPHAN_FILES) - # The list of files can be long. Use xargs to prevent issues. $(Q)$(call echo-cmd,rm)echo "$^" | xargs rm -f JEVENTS_DEPS += prune_orphans -- 2.53.0