From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 56B673F58C2 for ; Wed, 5 Aug 2026 21:35:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965762; cv=none; b=IH2Xo6zRVzBJGMhyh+zmIAIlFYIgWLsHW4dsohNBdMZBNjbssrkVNieTW28u/X+JHZpY8VxVpZh1WrAWY7e35v/Hxswth5KfTzNZrCb49LDZbUuVOK0ZcQiMTm4GwQJ3N7dm3xqVB0nfgnHF34Hczt6srfNomzvyH4M35ainS4g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965762; c=relaxed/simple; bh=ypMXXQ5fO86oWHzzDfilD1YSiNAtLjxqebpXXkG4V8M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tIiDri0Eg7mVAl1+3bb/n6JFnsWJNisCZy9Hjx2WK/gww7Y3G44dqrR9zkc6/u/Ir6fhdOj4R4tej/SjihxnL9spwfUrqZuQfSxHNjrzEp9xD17fR+haD5IVRBW3M3cjdl0em069LDKO9jJWRs/iANW87mu9K9mM8SKkMBCag8U= 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=AKaLElte; arc=none smtp.client-ip=198.175.65.9 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="AKaLElte" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785965755; x=1817501755; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ypMXXQ5fO86oWHzzDfilD1YSiNAtLjxqebpXXkG4V8M=; b=AKaLElteBPK4n8clxZjIeqrIimrKHbXNeYzwcgB7dH4sYYraKxaSTzXn E5P6XmJl02FCpuTUjHGDMmpye6ZfXUzIt/Q1LTx/xOzWEWFFkx11V37vp SC1eSS1Xf6Tkwzk3nugCLrvnxFQjzgBgjvMGWeIU2GVYmms9o3kL/hcJz rdEeSsnAw4glLnoxS8FiGkVHAG7NgSLCZlX0SxkJ5rWqiJ5vCwCa7H5hS 7RB/PtBd0jEwYo9ZTYN8GXp/V+eO2/KfFL+HSSLlFbVR0g9dQq9NbxN9f UZQQNyPSiCabUqUBx8QpejAvmc4vl5huWDseiQx8SaPtNVXcd51saGKMT A==; X-CSE-ConnectionGUID: 4AD8+cFJQgCMTpy4JMVxaw== X-CSE-MsgGUID: JTjhJGk1R5ymT4j7A5YXWA== X-IronPort-AV: E=McAfee;i="6800,10657,11866"; a="109343588" X-IronPort-AV: E=Sophos;i="6.25,207,1779174000"; d="scan'208";a="109343588" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2026 14:35:51 -0700 X-CSE-ConnectionGUID: V6+Il8c3RXOKmLCSLWnMCA== X-CSE-MsgGUID: EOsOz7u4QuW6mwEjuz8WCg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,207,1779174000"; d="scan'208";a="286576139" Received: from anguy11-upstream.jf.intel.com ([10.166.9.133]) by fmviesa001.fm.intel.com with ESMTP; 05 Aug 2026 14:35:51 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, andrew+netdev@lunn.ch, netdev@vger.kernel.org Cc: Przemyslaw Korba , anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, richardcochran@gmail.com, Aleksandr Loktionov , Rinitha S Subject: [PATCH net-next 09/15] ice: add rx timestamp tracepoint for debugging Date: Wed, 5 Aug 2026 14:35:34 -0700 Message-ID: <20260805213541.2281287-10-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260805213541.2281287-1-anthony.l.nguyen@intel.com> References: <20260805213541.2281287-1-anthony.l.nguyen@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Przemyslaw Korba Add ice_rx_hwtstamp trace event to help debug PTP rx timestamp issues. The trace captures cached_time, ts_high, and the extended ts_ns value in ice_ptp_get_rx_hwts(). Enable with: echo 1 > /sys/kernel/debug/tracing/events/ice/ice_rx_hwtstamp/enable cat /sys/kernel/debug/tracing/trace_pipe Signed-off-by: Przemyslaw Korba Reviewed-by: Aleksandr Loktionov Tested-by: Rinitha S (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ice/ice_ptp.c | 2 ++ drivers/net/ethernet/intel/ice/ice_trace.h | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index eaec36ab6ae3..e8392ec4f134 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2327,6 +2327,8 @@ u64 ice_ptp_get_rx_hwts(const union ice_32b_rx_flex_desc *rx_desc, ts_high = le32_to_cpu(rx_desc->wb.flex_ts.ts_high); ts_ns = ice_ptp_extend_32b_ts(cached_time, ts_high); + ice_trace(rx_hwtstamp, cached_time, ts_high, ts_ns); + return ts_ns; } diff --git a/drivers/net/ethernet/intel/ice/ice_trace.h b/drivers/net/ethernet/intel/ice/ice_trace.h index 4f35ef8d6b29..3cb8c6ea03cf 100644 --- a/drivers/net/ethernet/intel/ice/ice_trace.h +++ b/drivers/net/ethernet/intel/ice/ice_trace.h @@ -241,6 +241,24 @@ DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_fw_req); DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_fw_done); DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_complete); +/* Trace event for Rx timestamp */ +TRACE_EVENT(ice_rx_hwtstamp, + TP_PROTO(u64 cached_time, u32 ts_high, u64 ts_ns), + + TP_ARGS(cached_time, ts_high, ts_ns), + + TP_STRUCT__entry(__field(u64, cached_time) + __field(u32, ts_high) + __field(u64, ts_ns)), + + TP_fast_assign(__entry->cached_time = cached_time; + __entry->ts_high = ts_high; + __entry->ts_ns = ts_ns;), + + TP_printk("cached_time=%llu ts_high=%u ts_ns=%llu", + __entry->cached_time, __entry->ts_high, __entry->ts_ns) +); + DECLARE_EVENT_CLASS(ice_esw_br_fdb_template, TP_PROTO(struct ice_esw_br_fdb_entry *fdb), TP_ARGS(fdb), -- 2.47.1