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From: santosh <santosh.shukla@caviumnetworks.com>
To: David Hunt <david.hunt@intel.com>, dev@dpdk.org
Cc: konstantin.ananyev@intel.com, jingjing.wu@intel.com,
	Nemanja Marjanovic <nemanja.marjanovic@intel.com>,
	Rory Sexton <rory.sexton@intel.com>
Subject: Re: [dpdk-dev] [PATCH v5 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping
Date: Wed, 4 Oct 2017 21:28:53 +0530	[thread overview]
Message-ID: <a6715d77-db10-2214-2fc5-35100c6218ad@caviumnetworks.com> (raw)
In-Reply-To: <1507130720-48891-4-git-send-email-david.hunt@intel.com>

Hi David,


On Wednesday 04 October 2017 08:55 PM, David Hunt wrote:
> Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com>
> Signed-off-by: Rory Sexton <rory.sexton@intel.com>
> Signed-off-by: David Hunt <david.hunt@intel.com>
> ---
>  examples/vm_power_manager/channel_manager.c | 62 +++++++++++++++++++++++++++++
>  examples/vm_power_manager/channel_manager.h | 25 ++++++++++++
>  2 files changed, 87 insertions(+)
>
> diff --git a/examples/vm_power_manager/channel_manager.c b/examples/vm_power_manager/channel_manager.c
> index e068ae2..03fa626 100644
> --- a/examples/vm_power_manager/channel_manager.c
> +++ b/examples/vm_power_manager/channel_manager.c
> @@ -574,6 +574,68 @@ set_channel_status(const char *vm_name, unsigned *channel_list,
>  	return num_channels_changed;
>  }
>  
> +void
> +get_all_vm(int *num_vm, int *num_cpu)
> +{

nits:
s/*num_cpu/*num_vcpu

> +
> +	virNodeInfo node_info;
> +	virDomainPtr *domptr;
> +	uint64_t mask;
> +	int i, ii, numVcpus[MAX_VCPUS], cpu, n_vcpus;
> +	unsigned int jj;
> +	const char *vm_name;
> +	unsigned int flags = VIR_CONNECT_LIST_DOMAINS_RUNNING |
> +				VIR_CONNECT_LIST_DOMAINS_PERSISTENT;
> +	unsigned int flag = VIR_DOMAIN_VCPU_CONFIG;
> +

nits:
Perhaps add more clear name example:
s/flags/conn_flags
s/flag/domain_flags

> +
> +	memset(global_cpumaps, 0, CHANNEL_CMDS_MAX_CPUS*global_maplen);
> +	if (virNodeGetInfo(global_vir_conn_ptr, &node_info))
> +		RTE_LOG(ERR, CHANNEL_MANAGER, "Unable to retrieve node Info\n");
> +

Should return from here.. since node info not retrieve ops errored out.

> +	/* Returns number of pcpus */
> +	global_n_host_cpus = (unsigned int)node_info.cpus;
> +
> +	/* Returns number of active domains */
> +	*num_vm = virConnectListAllDomains(global_vir_conn_ptr, &domptr, flags);
> +	if (*num_vm <= 0)
> +		RTE_LOG(ERR, CHANNEL_MANAGER, "No Active Domains Running\n");
> +

ditto..

> +	for (i = 0; i < *num_vm; i++) {
> +
> +		/* Get Domain Names */
> +		vm_name = virDomainGetName(domptr[i]);
> +		lvm_info[i].vm_name = vm_name;
> +
> +		/* Get Number of Vcpus */
> +		numVcpus[i] = virDomainGetVcpusFlags(domptr[i], flag);
> +
> +		/* Get Number of VCpus & VcpuPinInfo */
> +		n_vcpus = virDomainGetVcpuPinInfo(domptr[i],
> +				numVcpus[i], global_cpumaps,
> +				global_maplen, flag);
> +
> +		if ((int)n_vcpus > 0) {
> +			*num_cpu = n_vcpus;
> +			lvm_info[i].num_cpus = n_vcpus;
> +		}
> +
> +		/* Save pcpu in use by libvirt VMs */
> +		for (ii = 0; ii < n_vcpus; ii++) {
> +			mask = 0;
> +			for (jj = 0; jj < global_n_host_cpus; jj++) {
> +				if (VIR_CPU_USABLE(global_cpumaps,
> +						global_maplen, ii, jj) > 0) {
> +					mask |= 1ULL << jj;
> +				}
> +			}
> +			ITERATIVE_BITMASK_CHECK_64(mask, cpu) {
> +				lvm_info[i].pcpus[ii] = cpu;
> +			}
> +		}
> +	}
> +}
> +
>  int
>  get_info_vm(const char *vm_name, struct vm_info *info)
>  {
> diff --git a/examples/vm_power_manager/channel_manager.h b/examples/vm_power_manager/channel_manager.h
> index 47c3b9c..788c1e6 100644
> --- a/examples/vm_power_manager/channel_manager.h
> +++ b/examples/vm_power_manager/channel_manager.h
> @@ -66,6 +66,17 @@ struct sockaddr_un _sockaddr_un;
>  #define UNIX_PATH_MAX sizeof(_sockaddr_un.sun_path)
>  #endif
>  
> +#define MAX_VMS 4
> +#define MAX_VCPUS 20
> +
> +
> +struct libvirt_vm_info {
> +	const char *vm_name;
> +	unsigned int pcpus[MAX_VCPUS];
> +	uint8_t num_cpus;
> +};
> +
> +struct libvirt_vm_info lvm_info[MAX_VMS];
>  /* Communication Channel Status */
>  enum channel_status { CHANNEL_MGR_CHANNEL_DISCONNECTED = 0,
>  	CHANNEL_MGR_CHANNEL_CONNECTED,
> @@ -319,6 +330,20 @@ int set_channel_status(const char *vm_name, unsigned *channel_list,
>   */
>  int get_info_vm(const char *vm_name, struct vm_info *info);
>  
> +/**
> + * Populates a table with all domains running and their physical cpu.
> + * All information is gathered through libvirt api.
> + *
> + * @param noVms
> + *  modified to store number of active VMs
> + *
> + * @param noVcpus
> +    modified to store number of vcpus active
> + *
> + * @return
> + *   void
> + */
> +void get_all_vm(int *noVms, int *noVcpus);

nits: perhaps,
void
get_all_vm(int *num_vm, int *num_vcpu)
Thanks. 

>  #ifdef __cplusplus
>  }
>  #endif

  reply	other threads:[~2017-10-04 15:59 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25 16:02 [dpdk-dev] [PATCH v1 0/10] Policy Based Power Control for Guest David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 01/10] net/i40e: add API to convert VF Id to PF Id David Hunt
2017-09-22  9:56   ` Thomas Monjalon
2017-09-22 12:39     ` Hunt, David
2017-09-25  2:43   ` Wu, Jingjing
2017-09-25  9:57     ` Hunt, David
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 02/10] net/i40e: add API to get received packet count David Hunt
2017-09-25  2:47   ` Wu, Jingjing
2017-09-25  9:59     ` Hunt, David
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 03/10] lib/librte_power: add extra msg type for policies David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 04/10] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 05/10] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 06/10] examples/vm_power_mgr: add policy to channels David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 07/10] examples/vm_power_mgr: add port initialisation David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 08/10] examples/guest_cli: add send policy to host David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 09/10] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 10/10] net/i40e: set register for no drop David Hunt
2017-09-25  2:50   ` Wu, Jingjing
2017-09-25  9:44     ` Hunt, David
2017-08-29 13:03 ` [dpdk-dev] [PATCH v1 0/10] Policy Based Power Control for Guest Ananyev, Konstantin
2017-09-22  9:51   ` Thomas Monjalon
2017-09-22 10:28     ` Hunt, David
2017-09-22 13:03       ` Thomas Monjalon
2017-09-22 13:12         ` Hunt, David
2017-09-25 12:27 ` [dpdk-dev] [PATCH v2] " David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 1/8] net/i40e: add API to convert VF MAC to VSI index David Hunt
2017-09-26 14:04     ` Wu, Jingjing
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 2/8] lib/librte_power: add extra msg type for policies David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 3/8] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 4/8] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 5/8] examples/vm_power_mgr: add policy to channels David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 6/8] examples/vm_power_mgr: add port initialisation David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 7/8] examples/guest_cli: add send policy to host David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 8/8] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-04  9:15   ` [dpdk-dev] [PATCH v4] Policy Based Power Control for Guest David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-04 15:26       ` santosh
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-04 15:36       ` santosh
2017-10-05  8:38         ` Hunt, David
2017-10-05  9:21           ` santosh
2017-10-05  9:51             ` Hunt, David
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 7/9] power: add send channel msg function to map file David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-04 15:25     ` [dpdk-dev] [PATCH v5 0/9] Policy Based Power Control for Guest David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-04 15:41         ` santosh
2017-10-05  8:31           ` Hunt, David
2017-10-05  9:22             ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-04 15:47         ` santosh
2017-10-05  8:41           ` Hunt, David
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-04 15:58         ` santosh [this message]
2017-10-05  8:44           ` Hunt, David
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-04 16:04         ` santosh
2017-10-05  8:47           ` Hunt, David
2017-10-05  9:07             ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 7/9] power: add send channel msg function to map file David Hunt
2017-10-04 16:20         ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 12:25       ` [dpdk-dev] [PATCH v6 0/9] Policy Based Power Control for Guest David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 12:45           ` Ananyev, Konstantin
2017-10-05 12:51             ` Hunt, David
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 13:28         ` [dpdk-dev] [PATCH v7 0/9] Policy Based Power Control for Guest David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 13:54           ` [dpdk-dev] [PATCH v7 0/9] Policy Based Power Control for Guest Ananyev, Konstantin
2017-10-05 14:12           ` santosh
2017-10-05 14:34           ` [dpdk-dev] [PATCH v8 " David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-09 22:34             ` [dpdk-dev] [PATCH v8 0/9] Policy Based Power Control for Guest Ferruh Yigit

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