diff mbox series

[v3,2/7] l3fwd-power: only allow supported power library envs

Message ID d18a8cbe3ef4763cd6de3c64269fad6e47b37fde.1592563994.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers
Series Add interrupt-only mode to l3fwd-power |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Anatoly Burakov June 19, 2020, 10:53 a.m. UTC 
  Currently, l3fwd-power will attempt to run even if the power env
is set to KVM, which is not supported. Fix this by preventing the
app from initializing unless the env is set to one of the supported
modes.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Yinan Wang <yinan.wang@intel.com>
---
 examples/l3fwd-power/main.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
index 2cc5d7b121..5cee9d5387 100644
--- a/examples/l3fwd-power/main.c
+++ b/examples/l3fwd-power/main.c
@@ -2043,6 +2043,7 @@  static int check_ptype(uint16_t portid)
 static int
 init_power_library(void)
 {
+	enum power_management_env env;
 	unsigned int lcore_id;
 	int ret = 0;
 
@@ -2055,6 +2056,14 @@  init_power_library(void)
 				lcore_id);
 			return ret;
 		}
+		/* we're not supporting the VM channel mode */
+		env = rte_power_get_env();
+		if (env != PM_ENV_ACPI_CPUFREQ &&
+				env != PM_ENV_PSTATE_CPUFREQ) {
+			RTE_LOG(ERR, POWER,
+				"Only ACPI and PSTATE mode are supported\n");
+			return -1;
+		}
 	}
 	return ret;
 }