From: David Hunt <david.hunt@intel.com>
To: dev@dpdk.org
Cc: konstantin.ananyev@intel.com, jingjing.wu@intel.com,
santosh.shukla@caviumnetworks.com,
David Hunt <david.hunt@intel.com>,
Nemanja Marjanovic <nemanja.marjanovic@intel.com>,
Rory Sexton <rory.sexton@intel.com>
Subject: [dpdk-dev] [PATCH v6 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping
Date: Thu, 5 Oct 2017 13:25:44 +0100 [thread overview]
Message-ID: <1507206350-215367-4-git-send-email-david.hunt@intel.com> (raw)
In-Reply-To: <1507206350-215367-1-git-send-email-david.hunt@intel.com>
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 | 67 +++++++++++++++++++++++++++++
examples/vm_power_manager/channel_manager.h | 25 +++++++++++
2 files changed, 92 insertions(+)
diff --git a/examples/vm_power_manager/channel_manager.c b/examples/vm_power_manager/channel_manager.c
index e068ae2..ab856bd 100644
--- a/examples/vm_power_manager/channel_manager.c
+++ b/examples/vm_power_manager/channel_manager.c
@@ -574,6 +574,73 @@ set_channel_status(const char *vm_name, unsigned *channel_list,
return num_channels_changed;
}
+void
+get_all_vm(int *num_vm, int *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 domain_flags = VIR_CONNECT_LIST_DOMAINS_RUNNING |
+ VIR_CONNECT_LIST_DOMAINS_PERSISTENT;
+ unsigned int domain_flag = VIR_DOMAIN_VCPU_CONFIG;
+
+
+ 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");
+ return;
+ }
+
+ /* 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,
+ domain_flags);
+ if (*num_vm <= 0) {
+ RTE_LOG(ERR, CHANNEL_MANAGER, "No Active Domains Running\n");
+ return;
+ }
+
+ 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], domain_flag);
+
+ /* Get Number of VCpus & VcpuPinInfo */
+ n_vcpus = virDomainGetVcpuPinInfo(domptr[i],
+ numVcpus[i], global_cpumaps,
+ global_maplen, domain_flag);
+
+ if ((int)n_vcpus > 0) {
+ *num_vcpu = 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..358fb8f 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 num_vm
+ * modified to store number of active VMs
+ *
+ * @param num_vcpu
+ modified to store number of vcpus active
+ *
+ * @return
+ * void
+ */
+void get_all_vm(int *num_vm, int *num_vcpu);
#ifdef __cplusplus
}
#endif
--
2.7.4
next prev parent reply other threads:[~2017-10-05 12:27 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
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 ` David Hunt [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1507206350-215367-4-git-send-email-david.hunt@intel.com \
--to=david.hunt@intel.com \
--cc=dev@dpdk.org \
--cc=jingjing.wu@intel.com \
--cc=konstantin.ananyev@intel.com \
--cc=nemanja.marjanovic@intel.com \
--cc=rory.sexton@intel.com \
--cc=santosh.shukla@caviumnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).