From patchwork Thu Feb 15 11:32:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13558224 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (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 14ED312C55B; Thu, 15 Feb 2024 11:33:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707996830; cv=none; b=Lbgo40UAsnB10ALfH6ReKGQum6DjTz6RSJ6xp00YZI3U+ZuY9XeASO9lbW9BYpgRm4Ly43Uf5mbdyPALircd3CewgRXEVXWuIfbnAZkM1iFExC+PABIFbWNKI6lHjNXA1JU8GMlELmruGA5Xw1PP1sXWE6ONwhtPX6TjzPyZi7c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707996830; c=relaxed/simple; bh=WBMuGaFByOBizSHSc9nVwDXvzMsp2kRr0IrhOv/Us1o=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kdnHltZO0wEeAjuBS04U6gsx1m8sEDZma6nUwYEaxIx4HH1rPo6Pfb8XLfgBWtsZkDo+qlZFLrQ+h+C2i1FLhi6QYMuAQqIDlS4B06hagYcB+OVFKJMkI6Y2EULpyKB0UbFmSGMaEa4aqpa8SbDgJrsFHDgkg824jcUAdBfrZmI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4TbCXq3f5Kz6K8wt; Thu, 15 Feb 2024 19:30:19 +0800 (CST) Received: from lhrpeml500006.china.huawei.com (unknown [7.191.161.198]) by mail.maildlp.com (Postfix) with ESMTPS id 1AD891400D4; Thu, 15 Feb 2024 19:33:47 +0800 (CST) Received: from SecurePC30232.china.huawei.com (10.122.247.234) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Thu, 15 Feb 2024 11:33:46 +0000 From: To: , , CC: , , , , Subject: [RFC PATCH 5/8] rasdaemon: ras-mc-ctl: Add support for CXL generic trace events Date: Thu, 15 Feb 2024 19:32:32 +0800 Message-ID: <20240215113235.1498-7-shiju.jose@huawei.com> X-Mailer: git-send-email 2.35.1.windows.2 In-Reply-To: <20240215113235.1498-1-shiju.jose@huawei.com> References: <20240215113235.1498-1-shiju.jose@huawei.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To lhrpeml500006.china.huawei.com (7.191.161.198) From: Shiju Jose Add support for CXL generic events to the ras-mc-ctl tool. Signed-off-by: Shiju Jose --- util/ras-mc-ctl.in | 83 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/util/ras-mc-ctl.in b/util/ras-mc-ctl.in index d8c1dec..84cdf2c 100755 --- a/util/ras-mc-ctl.in +++ b/util/ras-mc-ctl.in @@ -1281,6 +1281,34 @@ sub get_cxl_ce_error_status_text return join (", ", @out); } +use constant { + CXL_EVENT_RECORD_FLAG_PERMANENT => 0x0004, + CXL_EVENT_RECORD_FLAG_MAINT_NEEDED => 0x0008, + CXL_EVENT_RECORD_FLAG_PERF_DEGRADED => 0x0010, + CXL_EVENT_RECORD_FLAG_HW_REPLACE => 0x0020, +}; + +sub get_cxl_hdr_flags_text +{ + my $flags = $_[0]; + my @out; + + if ($flags & CXL_EVENT_RECORD_FLAG_PERMANENT) { + push @out, (sprintf "\'PERMANENT_CONDITION\' "); + } + if ($flags & CXL_EVENT_RECORD_FLAG_MAINT_NEEDED) { + push @out, (sprintf "\'MAINTENANCE_NEEDED\' "); + } + if ($flags & CXL_EVENT_RECORD_FLAG_PERF_DEGRADED) { + push @out, (sprintf "\'PERFORMANCE_DEGRADED\' "); + } + if ($flags & CXL_EVENT_RECORD_FLAG_HW_REPLACE) { + push @out, (sprintf "\'HARDWARE_REPLACEMENT_NEEDED\' "); + } + + return join (", ", @out); +} + sub summary { require DBI; @@ -1409,6 +1437,22 @@ sub summary print "No CXL poison errors.\n\n"; } $query_handle->finish; + + # CXL generic errors + $query = "select memdev, count(*) from cxl_generic_event$conf{opt}{since} group by memdev"; + $query_handle = $dbh->prepare($query); + $query_handle->execute(); + $query_handle->bind_columns(\($memdev, $count)); + $out = ""; + while($query_handle->fetch()) { + $out .= "\t$memdev errors: $count\n"; + } + if ($out ne "") { + print "CXL generic events summary:\n$out\n"; + } else { + print "No CXL generic errors.\n\n"; + } + $query_handle->finish; } # extlog errors @@ -1519,6 +1563,7 @@ sub errors my ($memdev, $host, $serial, $error_status, $first_error, $header_log); my ($log_type, $first_ts, $last_ts); my ($trace_type, $region, $region_uuid, $hpa, $dpa, $dpa_length, $source, $flags, $overflow_ts); + my ($hdr_uuid, $hdr_flags, $hdr_handle, $hdr_related_handle, $hdr_ts, $hdr_length, $hdr_maint_op_class, $data); my $dbh = DBI->connect("dbi:SQLite:dbname=$dbname", "", "", {}); @@ -1692,6 +1737,44 @@ sub errors } else { print "No CXL poison errors.\n\n"; } + + # CXL generic errors + use constant CXL_EVENT_RECORD_DATA_LENGTH => 0x50; + $query = "select id, timestamp, memdev, host, serial, log_type, hdr_uuid, hdr_flags, hdr_handle, hdr_related_handle, hdr_ts, hdr_length, hdr_maint_op_class, data from cxl_generic_event$conf{opt}{since} order by id"; + $query_handle = $dbh->prepare($query); + $query_handle->execute(); + $query_handle->bind_columns(\($id, $timestamp, $memdev, $host, $serial, $log_type, $hdr_uuid, $hdr_flags, $hdr_handle, $hdr_related_handle, $hdr_ts, $hdr_length, $hdr_maint_op_class, $data)); + $out = ""; + while($query_handle->fetch()) { + $out .= "$id $timestamp error: "; + $out .= "memdev=$memdev, " if (defined $memdev && length $memdev); + $out .= "host=$host, " if (defined $host && length $host); + $out .= sprintf "serial=0x%llx, ", $serial if (defined $serial && length $serial); + $out .= "log=$log_type, " if (defined $log_type && length $log_type); + $out .= "hdr_uuid=$hdr_uuid, " if (defined $hdr_uuid && length $hdr_uuid); + $out .= sprintf "hdr_flags=0x%llx %s, ", $hdr_flags, get_cxl_hdr_flags_text($hdr_flags) if (defined $hdr_flags && length $hdr_flags); + $out .= sprintf "hdr_handle=0x%x, ", $hdr_handle if (defined $hdr_handle && length $hdr_handle); + $out .= sprintf "hdr_related_handle=0x%x, ", $hdr_related_handle if (defined $hdr_related_handle && length $hdr_related_handle); + $out .= "hdr_timestamp=$hdr_ts, " if (defined $hdr_ts && length $hdr_ts); + $out .= sprintf "hdr_length=%u, ", $hdr_length if (defined $hdr_length && length $hdr_length); + $out .= sprintf "hdr_maint_op_class=%u, ", $hdr_maint_op_class if (defined $hdr_maint_op_class && length $hdr_maint_op_class); + if (defined $data && length $data) { + $out .= sprintf "data:\n"; + my @bytes = unpack "C*", $data; + for (my $i = 0; $i < CXL_EVENT_RECORD_DATA_LENGTH; $i++) { + if (($i > 0) && (($i % 16) == 0)) { + $out .= sprintf "\n %08x: ", $i; + } + $out .= sprintf "%02x%02x%02x%02x ", $bytes[$i], $bytes[$i + 1], $bytes[$i + 2], $bytes[$i + 3]; + } + } + $out .= "\n"; + } + if ($out ne "") { + print "CXL generic events:\n$out\n"; + } else { + print "No CXL generic errors.\n\n"; + } } # Extlog errors