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 B7D673806CC for ; Mon, 11 May 2026 07:34:57 +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=1778484899; cv=none; b=fdPHo6h3Oa30dU56nivX7/mQIDVKQvZH59OphIPwNpJzNZ6kdJ/4vZjw7QC8X4Iq+iqLdqizXm6NGw4VrXR1rZ7ph/w5btFA4hrlEHWEi56LyMGUMBPKnD2aLHW5JqbaDiMm2LdWHsfauJ6qqFIij2rAufyv6/gsbKFEXA3d+pw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778484899; c=relaxed/simple; bh=V/FqnKuLf5ly7IGnIqtIrW8gjqh4B9YtBRmcrjcAOKg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=e2GhX4Y9tWATC+WDSTGwGqqOdY9zNVAzv0ShHP4vEDP+wMaMIRyfmuLGalRgvpNFx9QY04lFNKoDrH8PMZ1/S5IYxKwzUoGRmQJtORbIYRxfvShc0i1jaWNLpDwIwFzfIdVzpRoA0fyX4IHhcsVS1L/lv4fTRlqnO5KYMSUeY/4= 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=lI8EAFcD; 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="lI8EAFcD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778484898; x=1810020898; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=V/FqnKuLf5ly7IGnIqtIrW8gjqh4B9YtBRmcrjcAOKg=; b=lI8EAFcDD918fQJu9pgIWA7bAH3lv1ko7wvP+m8mepqvVlOpEZ8VMYgc VBOuSWAfWLycZBR/HfQdAYPLihiWsA3DVktcdAgxXLwCm1xkdf+IB07EH 1/fDoPlDCzPjtEdaQK6QaWAvj7hhqv3cKQoGx31x5jxInGCMqNiDJ1rPK 3Cb5waMgyCHfydvBgNFlKCHrl5Grz0krg51RY667MpmREZTY5Zmhts2xk 3jdzQViq+a5Ch35n93dhTLSKS86eEzBfhShOvHr4rl1eNmVnRqiN2Z9wW 9EKHPE/QNeyiaRtHGJ/HixErp0L88OB5VD1m5QHRXcd6fVeIoK661fFdX Q==; X-CSE-ConnectionGUID: 2cVyJ0AjQxyokut/cIxfoQ== X-CSE-MsgGUID: lJ8o2EB3QeK02r7heFJO4g== X-IronPort-AV: E=McAfee;i="6800,10657,11782"; a="102030053" X-IronPort-AV: E=Sophos;i="6.23,228,1770624000"; d="scan'208";a="102030053" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2026 00:34:57 -0700 X-CSE-ConnectionGUID: zn7NNtibSluMa6GYVt0IrQ== X-CSE-MsgGUID: sE7shOsJSwi1A6usA1va/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,228,1770624000"; d="scan'208";a="241735131" Received: from pae-d-dell-r7525-263.igk.intel.com ([172.28.191.240]) by orviesa004.jf.intel.com with ESMTP; 11 May 2026 00:34:56 -0700 From: Przemyslaw Korba To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, aleksandr.loktionov@intel.com, arkadiusz.kubalewski@intel.com, Przemyslaw Korba Subject: [PATCH iwl-next] ice: add rx timestamp tracepoint for debugging Date: Mon, 11 May 2026 09:36:34 +0200 Message-ID: <20260511073657.1073780-1-przemyslaw.korba@intel.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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 691f05c62d4e..07e621813ff5 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2333,6 +2333,8 @@ 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), base-commit: 5c0d2ac5900d689d422a31cd45073175150c0a39 -- 2.43.0