From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753158AbdKUGaq (ORCPT ); Tue, 21 Nov 2017 01:30:46 -0500 Received: from mga06.intel.com ([134.134.136.31]:21621 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753023AbdKUGaZ (ORCPT ); Tue, 21 Nov 2017 01:30:25 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,432,1505804400"; d="scan'208";a="1246702020" From: Souvik Kumar Chakravarty To: platform-driver-x86@vger.kernel.org Cc: dvhart@infradead.org, andy@infradead.org, linux-kernel@vger.kernel.org, rajneesh.bhardwaj@intel.com, Souvik Kumar Chakravarty Subject: [PATCH v2 3/4] platform/x86: intel_telemetry: Improve S0ix logs Date: Tue, 21 Nov 2017 20:06:23 +0530 Message-Id: <1511274984-6165-4-git-send-email-souvik.k.chakravarty@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511274984-6165-1-git-send-email-souvik.k.chakravarty@intel.com> References: <1511274984-6165-1-git-send-email-souvik.k.chakravarty@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Suspend with shallow wakes is not a useful parameter since the phenomena does not exist on deployed devices and is only a parameter of use during device power-on phase. The field always reads zero. Additionally there are other easier methods to detect it, e.g., if the S0ix counter increments by more than one during suspend. Hence the field is superfluous and can be removed. This patch also slightly renames the S0ix total field for better viewability. Signed-off-by: Souvik Kumar Chakravarty --- drivers/platform/x86/intel_telemetry_debugfs.c | 45 ++++---------------------- 1 file changed, 7 insertions(+), 38 deletions(-) Changes since v1: * Remove alignment changes from this patch diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c index d7e90fd..ab4a20f 100644 --- a/drivers/platform/x86/intel_telemetry_debugfs.c +++ b/drivers/platform/x86/intel_telemetry_debugfs.c @@ -98,10 +98,6 @@ static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp; static u64 suspend_shlw_res_temp, suspend_deep_res_temp; struct telemetry_susp_stats { - u32 shlw_swake_ctr; - u32 deep_swake_ctr; - u64 shlw_swake_res; - u64 deep_swake_res; u32 shlw_ctr; u32 deep_ctr; u64 shlw_res; @@ -598,19 +594,15 @@ static int telem_soc_states_show(struct seq_file *s, void *unused) seq_printf(s, "S0IX Shallow\t\t\t %10u\t %10llu\n", s0ix_shlw_ctr - - conf->suspend_stats.shlw_ctr - - conf->suspend_stats.shlw_swake_ctr, + conf->suspend_stats.shlw_ctr, (u64)((s0ix_shlw_res - - conf->suspend_stats.shlw_res - - conf->suspend_stats.shlw_swake_res)*10/192)); + conf->suspend_stats.shlw_res)*10/192)); seq_printf(s, "S0IX Deep\t\t\t %10u\t %10llu\n", s0ix_deep_ctr - - conf->suspend_stats.deep_ctr - - conf->suspend_stats.deep_swake_ctr, + conf->suspend_stats.deep_ctr, (u64)((s0ix_deep_res - - conf->suspend_stats.deep_res - - conf->suspend_stats.deep_swake_res)*10/192)); + conf->suspend_stats.deep_res)*10/192)); seq_printf(s, "Suspend(With S0ixShallow)\t %10u\t %10llu\n", conf->suspend_stats.shlw_ctr, @@ -620,13 +612,7 @@ static int telem_soc_states_show(struct seq_file *s, void *unused) conf->suspend_stats.deep_ctr, (u64)(conf->suspend_stats.deep_res*10)/192); - seq_printf(s, "Suspend(With Shallow-Wakes)\t %10u\t %10llu\n", - conf->suspend_stats.shlw_swake_ctr + - conf->suspend_stats.deep_swake_ctr, - (u64)((conf->suspend_stats.shlw_swake_res + - conf->suspend_stats.deep_swake_res)*10/192)); - - seq_printf(s, "S0IX+Suspend Total\t\t %10u\t %10llu\n", s0ix_total_ctr, + seq_printf(s, "TOTAL S0IX\t\t\t %10u\t %10llu\n", s0ix_total_ctr, (u64)(s0ix_total_res*10/192)); seq_puts(s, "\n-------------------------------------------------\n"); seq_puts(s, "\t\tDEVICE STATES\n"); @@ -920,23 +906,15 @@ static int pm_suspend_exit_cb(void) suspend_shlw_res_exit -= suspend_shlw_res_temp; suspend_deep_res_exit -= suspend_deep_res_temp; - if (suspend_shlw_ctr_exit == 1) { + if (suspend_shlw_ctr_exit != 0) { conf->suspend_stats.shlw_ctr += suspend_shlw_ctr_exit; conf->suspend_stats.shlw_res += suspend_shlw_res_exit; } - /* Shallow Wakes Case */ - else if (suspend_shlw_ctr_exit > 1) { - conf->suspend_stats.shlw_swake_ctr += - suspend_shlw_ctr_exit; - - conf->suspend_stats.shlw_swake_res += - suspend_shlw_res_exit; - } - if (suspend_deep_ctr_exit == 1) { + if (suspend_deep_ctr_exit != 0) { conf->suspend_stats.deep_ctr += suspend_deep_ctr_exit; @@ -944,15 +922,6 @@ static int pm_suspend_exit_cb(void) suspend_deep_res_exit; } - /* Shallow Wakes Case */ - else if (suspend_deep_ctr_exit > 1) { - conf->suspend_stats.deep_swake_ctr += - suspend_deep_ctr_exit; - - conf->suspend_stats.deep_swake_res += - suspend_deep_res_exit; - } - out: suspend_prep_ok = 0; return NOTIFY_OK; -- 2.7.4