From: David Hunt <david.hunt@intel.com>
Date: Tue, 8 Jan 2019 15:25:23 +0000 (+0000)
Subject: examples/power: fix for p-state
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=6ff7b996a8a4cf12e0d54110bb2db4c87f72e9f4;p=dpdk.git

examples/power: fix for p-state

The vm_power_manager starts by setting the environment to acpi
using rte_power_set_env(PM_ENV_ACPI_CPUFREQ). This causes a problem
starting vm_power_manager when the system is using the intel_pstate
driver. The env should be set to none, or not called at all, because
the library now auto-detects the environment to be either acpi or
intel_pstate. This patch sets the environment to none so that the
library can successfully auto-detect.

Fixes: e6c6dc0f96c8 ("power: add p-state driver compatibility")

Signed-off-by: David Hunt <david.hunt@intel.com>
---

diff --git a/examples/vm_power_manager/power_manager.c b/examples/vm_power_manager/power_manager.c
index 21dc3a7271..aef832644b 100644
--- a/examples/vm_power_manager/power_manager.c
+++ b/examples/vm_power_manager/power_manager.c
@@ -83,7 +83,7 @@ power_manager_init(void)
 	struct core_info *ci;
 	unsigned int max_core_num;
 
-	rte_power_set_env(PM_ENV_ACPI_CPUFREQ);
+	rte_power_set_env(PM_ENV_NOT_SET);
 
 	ci = get_core_info();
 	if (!ci) {