[dpdk-dev] [PATCH v4 5/9] examples/vm_power: add thread for oob core monitor
David Hunt
david.hunt at intel.com
Fri Jul 13 16:22:58 CEST 2018
Change the app to now require three cores, as the third core
will be used to run the oob montoring thread.
Signed-off-by: David Hunt <david.hunt at intel.com>
Acked-by: Radu Nicolau <radu.nicolau at intel.com>
---
examples/vm_power_manager/main.c | 37 +++++++++++++++++++++++++++++---
1 file changed, 34 insertions(+), 3 deletions(-)
diff --git a/examples/vm_power_manager/main.c b/examples/vm_power_manager/main.c
index 613a40af0..aef97b9ae 100644
--- a/examples/vm_power_manager/main.c
+++ b/examples/vm_power_manager/main.c
@@ -29,6 +29,7 @@
#include "channel_monitor.h"
#include "power_manager.h"
#include "vm_power_cli.h"
+#include "oob_monitor.h"
#include "parse.h"
#include <rte_pmd_ixgbe.h>
#include <rte_pmd_i40e.h>
@@ -267,6 +268,17 @@ run_monitor(__attribute__((unused)) void *arg)
return 0;
}
+static int
+run_core_monitor(__attribute__((unused)) void *arg)
+{
+ if (branch_monitor_init() < 0) {
+ printf("Unable to initialize core monitor\n");
+ return -1;
+ }
+ run_branch_monitor();
+ return 0;
+}
+
static void
sig_handler(int signo)
{
@@ -285,12 +297,15 @@ main(int argc, char **argv)
unsigned int nb_ports;
struct rte_mempool *mbuf_pool;
uint16_t portid;
+ struct core_info *ci;
ret = core_info_init();
if (ret < 0)
rte_panic("Cannot allocate core info\n");
+ ci = get_core_info();
+
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
@@ -365,16 +380,23 @@ main(int argc, char **argv)
}
}
+ check_all_ports_link_status(enabled_port_mask);
+
lcore_id = rte_get_next_lcore(-1, 1, 0);
if (lcore_id == RTE_MAX_LCORE) {
- RTE_LOG(ERR, EAL, "A minimum of two cores are required to run "
+ RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
"application\n");
return 0;
}
-
- check_all_ports_link_status(enabled_port_mask);
+ printf("Running channel monitor on lcore id %d\n", lcore_id);
rte_eal_remote_launch(run_monitor, NULL, lcore_id);
+ lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
+ if (lcore_id == RTE_MAX_LCORE) {
+ RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
+ "application\n");
+ return 0;
+ }
if (power_manager_init() < 0) {
printf("Unable to initialize power manager\n");
return -1;
@@ -383,8 +405,17 @@ main(int argc, char **argv)
printf("Unable to initialize channel manager\n");
return -1;
}
+
+ printf("Running core monitor on lcore id %d\n", lcore_id);
+ rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
+
run_cli(NULL);
+ branch_monitor_exit();
+
rte_eal_mp_wait_lcore();
+
+ free(ci->cd);
+
return 0;
}
--
2.17.1
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