[dpdk-dev] [PATCH] app/test: fix shared library build failure

[dpdk-dev] [PATCH] app/test: fix shared library build failure

[Reshma Pattan]

Using private api `guest_channel_host_connect()`
will cause shared library build failure.
So revert the changes done.

Fixes: d550a8cc31 ("app/test: enhance power manager unit tests")

Signed-off-by: Jananee Parthasarathy <jananeex.m.parthasarathy@intel.com>
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
---
 test/test/test_power_kvm_vm.c | 47 ++++++++-----------------------------------
 1 file changed, 8 insertions(+), 39 deletions(-)

diff --git a/test/test/test_power_kvm_vm.c b/test/test/test_power_kvm_vm.c
index 2ac74912d..bce706ded 100644
--- a/test/test/test_power_kvm_vm.c
+++ b/test/test/test_power_kvm_vm.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2018 Intel Corporation
  */
 
 #include <stdio.h>
@@ -25,17 +25,12 @@ test_power_kvm_vm(void)
 #define TEST_POWER_VM_LCORE_ID            0U
 #define TEST_POWER_VM_LCORE_OUT_OF_BOUNDS (RTE_MAX_LCORE+1)
 #define TEST_POWER_VM_LCORE_INVALID       1U
-#define TEMP_POWER_MANAGER_FILE_PATH  "/tmp/testpm"
-
-int guest_channel_host_connect(const char *path, unsigned int lcore_id);
 
 static int
 test_power_kvm_vm(void)
 {
 	int ret;
 	enum power_management_env env;
-	char fPath[PATH_MAX];
-	FILE *fPtr = NULL;
 
 	ret = rte_power_set_env(PM_ENV_KVM_VM);
 	if (ret != 0) {
@@ -100,31 +95,13 @@ test_power_kvm_vm(void)
 	/* Test initialisation of a valid lcore */
 	ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
 	if (ret < 0) {
-		printf("rte_power_init failed as expected in host\n");
-		/* This test would be successful when run on VM,
-		 * in order to run in Host itself, temporary file path
-		 * is created and same is used for further communication
-		 */
-
-		snprintf(fPath, PATH_MAX, "%s.%u",
-			TEMP_POWER_MANAGER_FILE_PATH, TEST_POWER_VM_LCORE_ID);
-		fPtr = fopen(fPath, "w");
-		if (fPtr == NULL) {
-			printf(" Unable to create file\n");
-			rte_power_unset_env();
-			return -1;
-		}
-		ret = guest_channel_host_connect(TEMP_POWER_MANAGER_FILE_PATH,
-			TEST_POWER_VM_LCORE_ID);
-		if (ret == 0)
-			printf("guest_channel_host_connect successful\n");
-		else {
-			printf("guest_channel_host_connect failed\n");
-			rte_power_unset_env();
-			fclose(fPtr);
-			remove(fPath);
-			return -1;
-		}
+		printf("Cannot initialise power management for lcore %u, this "
+				"may occur if environment is not configured "
+				"correctly(KVM VM) or operating in another valid "
+				"Power management environment\n",
+				TEST_POWER_VM_LCORE_ID);
+		rte_power_unset_env();
+		return -1;
 	}
 
 	/* Test initialisation of previously initialised lcore */
@@ -314,18 +291,10 @@ test_power_kvm_vm(void)
 		return -1;
 	}
 	rte_power_unset_env();
-	if (fPtr != NULL) {
-		fclose(fPtr);
-		remove(fPath);
-	}
 	return 0;
 fail_all:
 	rte_power_exit(TEST_POWER_VM_LCORE_ID);
 	rte_power_unset_env();
-	if (fPtr != NULL) {
-		fclose(fPtr);
-		remove(fPath);
-	}
 	return -1;
 }
 #endif
-- 
2.14.3

Re: [dpdk-dev] [PATCH] app/test: fix shared library build failure

[Thomas Monjalon]

title changed to "test/power: fix build with shared library"

25/04/2018 00:10, Reshma Pattan:
> Using private api `guest_channel_host_connect()`
> will cause shared library build failure.

Adding the log:
            test_power_kvm_vm.c:(.text+0x2cb):
            undefined reference to `guest_channel_host_connect'

> So revert the changes done.
> 
> Fixes: d550a8cc31 ("app/test: enhance power manager unit tests")

Exact line has a longer id:
Fixes: d550a8cc31f3 ("app/test: enhance power manager unit tests")

> Signed-off-by: Jananee Parthasarathy <jananeex.m.parthasarathy@intel.com>
> Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>

Adding more credits:    
    Reported-by: Bruce Richardson <bruce.richardson@intel.com>
    Suggested-by: David Hunt <david.hunt@intel.com>

Applied, thanks

Re: [dpdk-dev] [PATCH] app/test: fix shared library build failure

[Parthasarathy, JananeeX M]

-----Original Message-----
From: Thomas Monjalon [mailto:thomas@monjalon.net] 
Sent: Wednesday, April 25, 2018 4:21 AM
To: Pattan, Reshma <reshma.pattan@intel.com>
Cc: dev@dpdk.org; Hunt, David <david.hunt@intel.com>; Parthasarathy, JananeeX M <jananeex.m.parthasarathy@intel.com>; Richardson, Bruce <bruce.richardson@intel.com>; Yigit, Ferruh <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [PATCH] app/test: fix shared library build failure

title changed to "test/power: fix build with shared library"

25/04/2018 00:10, Reshma Pattan:
> Using private api `guest_channel_host_connect()` will cause shared 
> library build failure.

Adding the log:
            test_power_kvm_vm.c:(.text+0x2cb):
            undefined reference to `guest_channel_host_connect'

> So revert the changes done.
> 
> Fixes: d550a8cc31 ("app/test: enhance power manager unit tests")

Exact line has a longer id:
Fixes: d550a8cc31f3 ("app/test: enhance power manager unit tests")

> Signed-off-by: Jananee Parthasarathy 
> <jananeex.m.parthasarathy@intel.com>
> Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>

Adding more credits:    
    Reported-by: Bruce Richardson <bruce.richardson@intel.com>
    Suggested-by: David Hunt <david.hunt@intel.com>
    Tested-by: Jananee Parthasarathy <jananeex.m.parthasarathy@intel.com>
Applied, thanks


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