From patchwork Wed Mar 5 11:00:25 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 14002461 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B104C19F32 for ; Wed, 5 Mar 2025 11:01:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9591C10E0D2; Wed, 5 Mar 2025 11:01:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="b5A+PoQ9"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6206D10E0D2 for ; Wed, 5 Mar 2025 11:01:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741172491; x=1772708491; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=GpRp9L00DRuTC3CdDytrwHek71bCCrqaSgJl3vTeZ5g=; b=b5A+PoQ9YL/a6S86xbjSfEJFOmzRe+WyDL4mr1wm5jXskIiNJvMW0cOl lOCDFgfxO69+uYDGyZap3AXQBKZn02CM1TfOq4v8BDTKEqW8QkIF2kcfB ERuh1HVpwm7s6kCw5cOD1xVMjwcMnGdLkCbkioi0sV2EZof5iTUR42rOq 6T1VuVDjGHYrNiQqxjzo9Pz50FpebtWVh3DRGiouDJ/CduM19MMKyAUTb lmuqaE0MOeTuAeai5Hm771pysVU50l26cpvTfDBkLv8IYQ9/IQt+HWgnn Yqpc44cx5xp9KYiu961mEpU8cq7baxKFKvMcG0pnI5hgPUQht669rFCZi Q==; X-CSE-ConnectionGUID: TLwVolsOTL6dRP0ssktBsQ== X-CSE-MsgGUID: DWMaTOIFRK6LebPIBHs9Fg== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="42375627" X-IronPort-AV: E=Sophos;i="6.14,222,1736841600"; d="scan'208";a="42375627" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 03:01:30 -0800 X-CSE-ConnectionGUID: D7Vq9gXiSKeOefM5s4LZgg== X-CSE-MsgGUID: 3p2sJt5lSiquD+2kXPAsVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,222,1736841600"; d="scan'208";a="141911060" Received: from black.fi.intel.com ([10.237.72.28]) by fmviesa002.fm.intel.com with ESMTP; 05 Mar 2025 03:01:29 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 5763B21F; Wed, 05 Mar 2025 13:01:28 +0200 (EET) From: Andy Shevchenko To: Ofir Bitton , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Oded Gabbay , Andy Shevchenko Subject: [PATCH v3 1/1] accel/habanalabs: Switch to use %ptTs Date: Wed, 5 Mar 2025 13:00:25 +0200 Message-ID: <20250305110126.2134307-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.47.2 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use %ptTs instead of open-coded variant to print contents of time64_t type in human readable form. This changes N/A output to 1970-01-01 00:00:00 for zero timestamps, but it's used only in the dev_err() output and won't break anything. Signed-off-by: Andy Shevchenko --- v3: explained the difference for N/A cases (Jani) v2: fixed the parameters to be the pointers drivers/accel/habanalabs/common/device.c | 25 +++--------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c index 68eebed3b050..80fa08bf57bd 100644 --- a/drivers/accel/habanalabs/common/device.c +++ b/drivers/accel/habanalabs/common/device.c @@ -1066,28 +1066,11 @@ static bool is_pci_link_healthy(struct hl_device *hdev) return (device_id == hdev->pdev->device); } -static void stringify_time_of_last_heartbeat(struct hl_device *hdev, char *time_str, size_t size, - bool is_pq_hb) -{ - time64_t seconds = is_pq_hb ? hdev->heartbeat_debug_info.last_pq_heartbeat_ts - : hdev->heartbeat_debug_info.last_eq_heartbeat_ts; - struct tm tm; - - if (!seconds) - return; - - time64_to_tm(seconds, 0, &tm); - - snprintf(time_str, size, "%ld-%02d-%02d %02d:%02d:%02d (UTC)", - tm.tm_year + 1900, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); -} - static bool hl_device_eq_heartbeat_received(struct hl_device *hdev) { struct eq_heartbeat_debug_info *heartbeat_debug_info = &hdev->heartbeat_debug_info; u32 cpu_q_id = heartbeat_debug_info->cpu_queue_id, pq_pi_mask = (HL_QUEUE_LENGTH << 1) - 1; struct asic_fixed_properties *prop = &hdev->asic_prop; - char pq_time_str[64] = "N/A", eq_time_str[64] = "N/A"; if (!prop->cpucp_info.eq_health_check_supported) return true; @@ -1095,17 +1078,15 @@ static bool hl_device_eq_heartbeat_received(struct hl_device *hdev) if (!hdev->eq_heartbeat_received) { dev_err(hdev->dev, "EQ heartbeat event was not received!\n"); - stringify_time_of_last_heartbeat(hdev, pq_time_str, sizeof(pq_time_str), true); - stringify_time_of_last_heartbeat(hdev, eq_time_str, sizeof(eq_time_str), false); dev_err(hdev->dev, - "EQ: {CI %u, HB counter %u, last HB time: %s}, PQ: {PI: %u, CI: %u (%u), last HB time: %s}\n", + "EQ: {CI %u, HB counter %u, last HB time: %ptTs}, PQ: {PI: %u, CI: %u (%u), last HB time: %ptTs}\n", hdev->event_queue.ci, heartbeat_debug_info->heartbeat_event_counter, - eq_time_str, + &hdev->heartbeat_debug_info.last_eq_heartbeat_ts, hdev->kernel_queues[cpu_q_id].pi, atomic_read(&hdev->kernel_queues[cpu_q_id].ci), atomic_read(&hdev->kernel_queues[cpu_q_id].ci) & pq_pi_mask, - pq_time_str); + &hdev->heartbeat_debug_info.last_pq_heartbeat_ts); hl_eq_dump(hdev, &hdev->event_queue);