From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D53893D34AB; Thu, 9 Jul 2026 22:17:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783635471; cv=none; b=Hxg9zXUVYkbB/cOH2aTXMu1kgrkswh7nUwnu9YQKt9ev22FudZjZHUEHmqTPebZDmf5d8Sr+9PesIDtbQQOPnHn5PGnHSgqFtUmq4GgvO0zbKTRoc5mqEtUyNfoPL4IRuEVT+NSqB0mU009aPX2nZrronTg9RVPjdgqdXS4z2ys= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783635471; c=relaxed/simple; bh=7K+mVOAfd7O7mBrvuCC+ocZBM74EZhw605+3UoxF3Sg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RqJeVy2Zp43146e2nJNpZalxvQ9Hgias7cGh/98MEO8YSUX2NLFfGvv3RHMrFDkyLtAkayp2LezwCzifm+DiKgM0gVn5P2HwQ+QgdNx7fUblX95Z6rSqTw7dpa0UGB6hyTLNY5RaX7EYNhAQUdtEq3AeZjcQHRvsaFLiSejv1j0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=fnLjyAcv; arc=none smtp.client-ip=192.198.163.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="fnLjyAcv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783635470; x=1815171470; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7K+mVOAfd7O7mBrvuCC+ocZBM74EZhw605+3UoxF3Sg=; b=fnLjyAcv9XkhiejJvvClygrGEQ/IHW6U+mq6XM2ilEh7TH/ZJT/d7nq9 3Oy2+pJyPcdpyAHMKJ8a7jHU9qQr/6hdgosOngQka8dpoAqu1W5X6FlOm tjTTXfzXYiDQrBOBQ8h9UY+gLmQhp6uH5wexNCSy6mOKbJvppWHBabVkk cCsG5tAtqPDrDIai7MgDlDE+ofm08yTtWubZ4SDkYce+9BsiKh9bfyK0L zTs/Z1jStGjxw/6/vmUn7k40VomfhK51wvdlar0bvKZp49KugVPnXK+W6 fkpvRPaLqcVykh46UVSHF5lIyVirypMPvDdENxik1ALspGuTMU8d9XAoz w==; X-CSE-ConnectionGUID: kulhTw4gRhi6KuB4J1oe+w== X-CSE-MsgGUID: NSncNk5jQziX1MnymursDQ== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="88163366" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="88163366" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2026 15:17:49 -0700 X-CSE-ConnectionGUID: nMtNcN1BRziGrTy6/l5pnA== X-CSE-MsgGUID: p1FPGW+pSCWWG5nbJP56cg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="259620880" Received: from khuang2-desk.gar.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.223.97]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2026 15:17:47 -0700 From: Thomas Falcon To: linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Dapeng Mi Subject: [PATCH 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Thu, 9 Jul 2026 17:17:31 -0500 Message-ID: <20260709221736.33446-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260709221736.33446-1-thomas.falcon@intel.com> References: <20260709221736.33446-1-thomas.falcon@intel.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 When printing memory info in perf script, the entire size of the buffer is passed to perf_mem__lvl_scnprintf() instead of the remaining size. Pass the remaining buffer size instead. This issue was detected by sashiko during an internal code review. Assisted-by: Sashiko:gemini-3.1-pro-preview Fixes: fdefc3750e847 ("perf mem: Print memory operation type") Signed-off-by: Thomas Falcon --- tools/perf/util/mem-events.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 0b49fce251fc..4e490f9cd348 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -610,7 +610,7 @@ int perf_script__meminfo_scnprintf(char *out, size_t sz, const struct mem_info * i += scnprintf(out, sz, "|OP "); i += perf_mem__op_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|LVL "); - i += perf_mem__lvl_scnprintf(out + i, sz, mem_info); + i += perf_mem__lvl_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|SNP "); i += perf_mem__snp_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|TLB "); -- 2.43.0