Add power management feature support to eventdev_pipeline sample app.
A new command option "--pmd-mgmt" was added to select power management
mode on worker cores. Options currently supported are "pause/monitor".
Default, no power management features are enabled on the worker ports.
Signed-off-by: Sivaprasad Tummala <sivaprasad.tumm...@amd.com>
---
.../sample_app_ug/eventdev_pipeline.rst | 3 +-
examples/eventdev_pipeline/main.c | 64 ++++++++++++++++++-
examples/eventdev_pipeline/pipeline_common.h | 1 +
.../pipeline_worker_generic.c | 1 +
4 files changed, 66 insertions(+), 3 deletions(-)
diff --git a/doc/guides/sample_app_ug/eventdev_pipeline.rst
b/doc/guides/sample_app_ug/eventdev_pipeline.rst
index 19ff53803e..1186d0af3d 100644
--- a/doc/guides/sample_app_ug/eventdev_pipeline.rst
+++ b/doc/guides/sample_app_ug/eventdev_pipeline.rst
@@ -44,11 +44,12 @@ these settings is shown below:
* ``-c32``: worker dequeue depth of 32
* ``-W1000``: do 1000 cycles of work per packet in each stage
* ``-D``: dump statistics on exit
+ * ``--pmd-mgmt=pause``: worker core power management using pause;
.. code-block:: console
./<build_dir>/examples/dpdk-eventdev_pipeline -l 0,2,8-15 --vdev event_sw0
\
- -- -r1 -t1 -e4 -w FF00 -s4 -n0 -c32 -W1000 -D
+ -- -r1 -t1 -e4 -w FF00 -s4 -n0 -c32 -W1000 -D --pmd-mgmt=pause
The application has some sanity checking built-in, so if there is a function
(e.g.; the RX core) which doesn't have a cpu core mask assigned, the
application
diff --git a/examples/eventdev_pipeline/main.c
b/examples/eventdev_pipeline/main.c
index 0c995d1a70..3bb55054ce 100644
--- a/examples/eventdev_pipeline/main.c
+++ b/examples/eventdev_pipeline/main.c
@@ -24,6 +24,9 @@ struct config_data cdata = {
.worker_cq_depth = 16
};
+static enum rte_power_pmd_mgmt_type pmgmt_mode;
+bool pmgmt_enabled;
+
static void
dump_core_info(unsigned int lcore_id, struct worker_data *data,
unsigned int worker_idx)
@@ -122,6 +125,8 @@ parse_coremask(const char *coremask)
return mask;
}
+#define CMD_LINE_OPT_PMD_MGMT "pmd-mgmt"
+
static struct option long_options[] = {
{"workers", required_argument, 0, 'w'},
{"packets", required_argument, 0, 'n'},
@@ -139,6 +144,7 @@ static struct option long_options[] = {
{"quiet", no_argument, 0, 'q'},
{"use-atq", no_argument, 0, 'a'},
{"dump", no_argument, 0, 'D'},
+ {CMD_LINE_OPT_PMD_MGMT, 1, 0, 0},
{0, 0, 0, 0}
};
@@ -163,12 +169,38 @@ usage(void)
" -q, --quiet Minimize printed output\n"
" -a, --use-atq Use all type queues\n"
" -m, --mempool-size=N Dictate the mempool size\n"
- " -D, --dump Print detailed statistics
before exit"
+ " -D, --dump Print detailed statistics
before exit\n"
+ " --pmd-mgmt MODE enable PMD power management
mode."
"\n";
fprintf(stderr, "%s", usage_str);
exit(1);
}
+static int
+parse_pmd_mgmt_config(const char *name)
+{
+#define PMD_MGMT_MONITOR "monitor"
+#define PMD_MGMT_PAUSE "pause"
+#define PMD_MGMT_SCALE "scale"
+
+ if (strncmp(PMD_MGMT_MONITOR, name, sizeof(PMD_MGMT_MONITOR)) == 0) {
+ pmgmt_mode = RTE_POWER_MGMT_TYPE_MONITOR;
+ return 0;
+ }
+
+ if (strncmp(PMD_MGMT_PAUSE, name, sizeof(PMD_MGMT_PAUSE)) == 0) {
+ pmgmt_mode = RTE_POWER_MGMT_TYPE_PAUSE;
+ return 0;
+ }
+
+ if (strncmp(PMD_MGMT_SCALE, name, sizeof(PMD_MGMT_SCALE)) == 0) {
+ pmgmt_mode = RTE_POWER_MGMT_TYPE_SCALE;
+ return 0;
+ }
+ /* unknown PMD power management mode */
+ return -1;
+}
+
static void
parse_app_args(int argc, char **argv)
{
@@ -246,6 +278,21 @@ parse_app_args(int argc, char **argv)
case 'm':
cdata.num_mbuf = (uint64_t)atol(optarg);
break;
+ /* long options */
+ case 0:
+ if (!strncmp(long_options[option_index].name,
+ CMD_LINE_OPT_PMD_MGMT,
+ sizeof(CMD_LINE_OPT_PMD_MGMT))) {
+ if (parse_pmd_mgmt_config(optarg) < 0) {
+ printf(" Invalid power mgmt mode: %s\n",
+ optarg);
+ return;
+ }
+ pmgmt_enabled = true;
+ printf("PMD power mgmt mode is enabled\n");
+ }
+ break;
+
default:
usage();
}
@@ -430,7 +477,20 @@ main(int argc, char **argv)
continue;
dump_core_info(lcore_id, worker_data, worker_idx);
-
+ if (pmgmt_enabled) {
+ if (fdata->worker_core[lcore_id]) {
+ err = rte_power_eventdev_pmgmt_port_enable(
+ lcore_id,
worker_data[worker_idx].dev_id,
+
worker_data[worker_idx].port_id,
+ pmgmt_mode);
+ if (err) {
+ RTE_LOG(ERR, POWER,
+ "Power Management enabled
failed on core %u\n",
+ lcore_id);
+ continue;
+ }
+ }
+ }
err = rte_eal_remote_launch(fdata->cap.worker,
&worker_data[worker_idx], lcore_id);
if (err) {
diff --git a/examples/eventdev_pipeline/pipeline_common.h
b/examples/eventdev_pipeline/pipeline_common.h
index 28b6ab85ff..b33162adfb 100644
--- a/examples/eventdev_pipeline/pipeline_common.h
+++ b/examples/eventdev_pipeline/pipeline_common.h
@@ -19,6 +19,7 @@
#include <rte_event_eth_tx_adapter.h>
#include <rte_service.h>
#include <rte_service_component.h>
+#include <rte_power_pmd_mgmt.h>
#define MAX_NUM_STAGES 8
#define BATCH_SIZE 16
diff --git a/examples/eventdev_pipeline/pipeline_worker_generic.c
b/examples/eventdev_pipeline/pipeline_worker_generic.c
index 783f68c91e..22d644bd51 100644
--- a/examples/eventdev_pipeline/pipeline_worker_generic.c
+++ b/examples/eventdev_pipeline/pipeline_worker_generic.c
@@ -6,6 +6,7 @@
#include <stdlib.h>
+#include <rte_power_pmd_mgmt.h>
#include "pipeline_common.h"
static __rte_always_inline int
--
2.34.1
