From mboxrd@z Thu Jan 1 00:00:00 1970 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 13067C77B7C for ; Thu, 3 Jul 2025 15:04:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BC9B310E869; Thu, 3 Jul 2025 15:04:23 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="gOfYZXqF"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3F56510E869 for ; Thu, 3 Jul 2025 15:04:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751555063; x=1783091063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NAhY9tLCTvmbf6Z8s+XF6C03LSK9agtxXVkQazoN46k=; b=gOfYZXqF1pfPVW97ujL2GUjn/XNzRRoFV7gMhFUrJHOnOZdqUsFPa7BW Fu5j2Hb1sH0/u5sKeAzu8NdzYt6E3dX5YG0u7FFU0MRAiEseBZlZ+pzyE bbtjC5MJMMdXy+kup+QJ8RfuTAYlOqUFWZfNsEO/UYEdmlw3KibqR9VaM 2Mau203UY7y9PCU7WBCtuxwjLWelhyQMsvy4RgCQHudVAa6jcQ366EQ32 YBkk7ESkI6O/mR7tt2nxt1kjTtO80sAnuaLcQm8F/KdyAzxCS/Ykm61lX 6ecx3v11kx1f/j8I/WezTJFkR3sXFhGwhu80L2njfxRxz61/Bv3ov+lLM w==; X-CSE-ConnectionGUID: fXGqXqppSwigReXIb751Fg== X-CSE-MsgGUID: KYBRtX43SCyp1bT7xQ+YRQ== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="53603465" X-IronPort-AV: E=Sophos;i="6.16,284,1744095600"; d="scan'208";a="53603465" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 08:04:23 -0700 X-CSE-ConnectionGUID: af6QY00rTyWWZQML89vTng== X-CSE-MsgGUID: slmCobQuQi+TBkp6STorzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,284,1744095600"; d="scan'208";a="158952511" Received: from jmkrefta-mobl2.ger.corp.intel.com (HELO friendship7-home.clients.intel.com) ([10.245.255.250]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 08:04:21 -0700 From: Peter Senna Tschudin To: igt-dev@lists.freedesktop.org Cc: Peter Senna Tschudin , Gustavo Souza Subject: [PATCH i-g-t 2/2] lib/igt_kmod: Add IGT_HOOK_POST_GPUKMOD_UNBIND Date: Thu, 3 Jul 2025 17:03:04 +0200 Message-ID: <20250703150304.101208-3-peter.senna@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250703150304.101208-1-peter.senna@linux.intel.com> References: <20250703150304.101208-1-peter.senna@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Adds an igt_hook after the unbind operation of the GPU kmod intended as a strategice entry point for kmemleak scans. Can be used with --hook 'post-gpukmod-unbind:...' Cc: Gustavo Souza Signed-off-by: Peter Senna Tschudin --- lib/igt_hook.c | 5 +++++ lib/igt_hook.h | 1 + lib/igt_kmod.c | 7 +++++++ 3 files changed, 13 insertions(+) diff --git a/lib/igt_hook.c b/lib/igt_hook.c index 8932d118d..a3f92acd4 100644 --- a/lib/igt_hook.c +++ b/lib/igt_hook.c @@ -74,6 +74,8 @@ static const char *igt_hook_evt_type_to_name(enum igt_hook_evt_type evt_type) return "post-subtest"; case IGT_HOOK_POST_TEST: return "post-test"; + case IGT_HOOK_POST_GPUKMOD_UNBIND: + return "post-gpukmod-unbind"; case IGT_HOOK_NUM_EVENTS: break; /* No "default:" case, to force a warning from -Wswitch in case we miss @@ -470,6 +472,9 @@ below:\n\ case IGT_HOOK_POST_TEST: desc = "Occurs after a test case has finished."; break; + case IGT_HOOK_POST_GPUKMOD_UNBIND: + desc = "Occurs after the GPU kernel module is unbound from the device."; + break; default: desc = "MISSING DESCRIPTION"; } diff --git a/lib/igt_hook.h b/lib/igt_hook.h index e9f97b79b..92d3986e8 100644 --- a/lib/igt_hook.h +++ b/lib/igt_hook.h @@ -39,6 +39,7 @@ enum igt_hook_evt_type { IGT_HOOK_POST_DYN_SUBTEST, IGT_HOOK_POST_SUBTEST, IGT_HOOK_POST_TEST, + IGT_HOOK_POST_GPUKMOD_UNBIND, IGT_HOOK_NUM_EVENTS /* This must always be the last one. */ }; diff --git a/lib/igt_kmod.c b/lib/igt_kmod.c index 6d7f5705c..e300b743a 100644 --- a/lib/igt_kmod.c +++ b/lib/igt_kmod.c @@ -41,6 +41,7 @@ #include "igt_aux.h" #include "igt_core.h" #include "igt_debugfs.h" +#include "igt_hook.h" #include "igt_kmod.h" #include "igt_ktap.h" #include "igt_sysfs.h" @@ -604,6 +605,7 @@ int __igt_intel_driver_unload(char **who, const char *driver) */ int igt_kmod_unbind(const char *mod_name, const char *pci_device) { + struct igt_hook *igt_hook = NULL; char path[PATH_MAX]; struct dirent *de; int dirlen; @@ -633,6 +635,11 @@ int igt_kmod_unbind(const char *mod_name, const char *pci_device) } closedir(dir); + igt_hook = igt_hook_get_pointer(); + igt_hook_event_notify(igt_hook, &(struct igt_hook_evt){ + .evt_type = IGT_HOOK_POST_GPUKMOD_UNBIND, + .target_name = mod_name, + }); return 0; } -- 2.43.0