From: Huang Rui <ray.huang@amd.com>
To: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Shuah Khan <skhan@linuxfoundation.org>,
"Borislav Petkov" <bp@suse.de>, Ingo Molnar <mingo@kernel.org>,
<linux-pm@vger.kernel.org>
Cc: Deepak Sharma <deepak.sharma@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Nathan Fontenot <nathan.fontenot@amd.com>,
Jinzhou Su <Jinzhou.Su@amd.com>,
Xiaojian Du <Xiaojian.Du@amd.com>, <linux-kernel@vger.kernel.org>,
<x86@kernel.org>, Huang Rui <ray.huang@amd.com>
Subject: [PATCH 11/19] cpufreq: amd: add amd-pstate performance attributes
Date: Wed, 8 Sep 2021 22:59:53 +0800 [thread overview]
Message-ID: <20210908150001.3702552-12-ray.huang@amd.com> (raw)
In-Reply-To: <20210908150001.3702552-1-ray.huang@amd.com>
Introduce sysfs attributes to get the different level amd-pstate
performances.
Signed-off-by: Huang Rui <ray.huang@amd.com>
---
drivers/cpufreq/amd-pstate.c | 66 ++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 3c727a22cb69..9c60388d45ed 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -647,6 +647,62 @@ static ssize_t show_amd_pstate_min_freq(struct cpufreq_policy *policy, char *buf
return ret;
}
+static ssize_t
+show_amd_pstate_highest_perf(struct cpufreq_policy *policy, char *buf)
+{
+ int ret = 0;
+ u32 perf;
+ struct amd_cpudata *cpudata = policy->driver_data;
+
+ perf = READ_ONCE(cpudata->highest_perf);
+
+ ret += sprintf(&buf[ret], "%u\n", perf);
+
+ return ret;
+}
+
+static ssize_t
+show_amd_pstate_nominal_perf(struct cpufreq_policy *policy, char *buf)
+{
+ int ret = 0;
+ u32 perf;
+ struct amd_cpudata *cpudata = policy->driver_data;
+
+ perf = READ_ONCE(cpudata->nominal_perf);
+
+ ret += sprintf(&buf[ret], "%u\n", perf);
+
+ return ret;
+}
+
+static ssize_t
+show_amd_pstate_lowest_nonlinear_perf(struct cpufreq_policy *policy, char *buf)
+{
+ int ret = 0;
+ u32 perf;
+ struct amd_cpudata *cpudata = policy->driver_data;
+
+ perf = READ_ONCE(cpudata->lowest_nonlinear_perf);
+
+ ret += sprintf(&buf[ret], "%u\n", perf);
+
+ return ret;
+}
+
+static ssize_t
+show_amd_pstate_lowest_perf(struct cpufreq_policy *policy, char *buf)
+{
+ int ret = 0;
+ u32 perf;
+ struct amd_cpudata *cpudata = policy->driver_data;
+
+ perf = READ_ONCE(cpudata->lowest_perf);
+
+ ret += sprintf(&buf[ret], "%u\n", perf);
+
+ return ret;
+}
+
static ssize_t show_is_amd_pstate_enabled(struct cpufreq_policy *policy,
char *buf)
{
@@ -654,17 +710,27 @@ static ssize_t show_is_amd_pstate_enabled(struct cpufreq_policy *policy,
}
cpufreq_freq_attr_ro(is_amd_pstate_enabled);
+
cpufreq_freq_attr_ro(amd_pstate_max_freq);
cpufreq_freq_attr_ro(amd_pstate_nominal_freq);
cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_freq);
cpufreq_freq_attr_ro(amd_pstate_min_freq);
+cpufreq_freq_attr_ro(amd_pstate_highest_perf);
+cpufreq_freq_attr_ro(amd_pstate_nominal_perf);
+cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_perf);
+cpufreq_freq_attr_ro(amd_pstate_lowest_perf);
+
static struct freq_attr *amd_pstate_attr[] = {
&is_amd_pstate_enabled,
&amd_pstate_max_freq,
&amd_pstate_nominal_freq,
&amd_pstate_lowest_nonlinear_freq,
&amd_pstate_min_freq,
+ &amd_pstate_highest_perf,
+ &amd_pstate_nominal_perf,
+ &amd_pstate_lowest_nonlinear_perf,
+ &amd_pstate_lowest_perf,
NULL,
};
--
2.25.1
next prev parent reply other threads:[~2021-09-08 15:01 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-08 14:59 [PATCH 00/19] cpufreq: introduce a new AMD CPU frequency control mechanism Huang Rui
2021-09-08 14:59 ` [PATCH 01/19] x86/cpufreatures: add AMD CPPC extension feature flag Huang Rui
2021-09-08 20:00 ` Shuah Khan
2021-09-09 9:45 ` Huang Rui
2021-09-09 17:58 ` Borislav Petkov
2021-09-13 9:48 ` Huang Rui
2021-09-13 13:04 ` Borislav Petkov
2021-09-16 9:30 ` Huang Rui
2021-09-08 14:59 ` [PATCH 02/19] x86/msr: add AMD CPPC MSR definitions Huang Rui
2021-09-08 14:59 ` [PATCH 03/19] ACPI: CPPC: add cppc enable register function Huang Rui
2021-09-08 19:14 ` Fontenot, Nathan
2021-09-09 9:50 ` Huang Rui
2021-09-09 0:21 ` Shuah Khan
2021-09-09 9:58 ` Huang Rui
2021-09-08 14:59 ` [PATCH 04/19] cpufreq: amd: introduce a new amd pstate driver to support future processors Huang Rui
2021-09-09 15:01 ` Peter Zijlstra
2021-09-13 8:11 ` Huang Rui
2021-09-13 8:56 ` Peter Zijlstra
2021-09-13 10:54 ` Huang Rui
2021-09-13 11:56 ` Peter Zijlstra
2021-09-16 10:09 ` Huang Rui
2021-09-16 11:19 ` Rafael J. Wysocki
2021-09-17 3:41 ` Huang Rui
2021-09-09 15:03 ` Peter Zijlstra
2021-09-13 11:55 ` Huang Rui
2021-09-09 19:31 ` Fontenot, Nathan
2021-09-13 11:18 ` Huang Rui
2021-09-08 14:59 ` [PATCH 05/19] cpufreq: amd: add fast switch function for amd-pstate module Huang Rui
2021-09-08 14:59 ` [PATCH 06/19] cpufreq: amd: add acpi cppc function as the backend for legacy processors Huang Rui
2021-09-08 14:59 ` [PATCH 07/19] cpufreq: amd: add trace for amd-pstate module Huang Rui
2021-09-08 14:59 ` [PATCH 08/19] cpufreq: amd: add boost mode support for amd-pstate Huang Rui
2021-09-08 18:24 ` Fontenot, Nathan
2021-09-09 10:12 ` Huang Rui
2021-09-08 14:59 ` [PATCH 09/19] cpufreq: amd: add amd-pstate checking support check attribute Huang Rui
2021-09-08 14:59 ` [PATCH 10/19] cpufreq: amd: add amd-pstate frequencies attributes Huang Rui
2021-09-08 18:13 ` Fontenot, Nathan
2021-09-08 14:59 ` Huang Rui [this message]
2021-09-08 18:20 ` [PATCH 11/19] cpufreq: amd: add amd-pstate performance attributes Fontenot, Nathan
2021-09-08 14:59 ` [PATCH 12/19] cpupower: add AMD P-state capability flag Huang Rui
2021-09-08 14:59 ` [PATCH 13/19] cpupower: add the function to check amd-pstate enabled Huang Rui
2021-09-09 22:16 ` Shuah Khan
2021-09-13 11:29 ` Huang Rui
2021-09-08 14:59 ` [PATCH 14/19] cpupower: initial AMD P-state capability Huang Rui
2021-09-09 22:16 ` Shuah Khan
2021-09-13 12:58 ` Huang Rui
2021-09-08 14:59 ` [PATCH 15/19] cpupower: add amd-pstate sysfs entries into libcpufreq Huang Rui
2021-09-09 22:26 ` Shuah Khan
2021-09-16 8:47 ` Huang Rui
2021-09-08 14:59 ` [PATCH 16/19] cpupower: enable boost state support for amd-pstate module Huang Rui
2021-09-08 17:32 ` Fontenot, Nathan
2021-09-09 9:59 ` Huang Rui
2021-09-09 22:42 ` Shuah Khan
2021-09-16 9:27 ` Huang Rui
2021-09-08 14:59 ` [PATCH 17/19] cpupower: add amd-pstate get data function to query the info Huang Rui
2021-09-09 22:45 ` Shuah Khan
2021-09-08 15:00 ` [PATCH 18/19] cpupower: print amd-pstate information on cpupower Huang Rui
2021-09-09 22:46 ` Shuah Khan
2021-09-16 9:29 ` Huang Rui
2021-09-08 15:00 ` [PATCH 19/19] Documentation: amd-pstate: add amd-pstate driver introduction Huang Rui
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