> >
> >> Add PM QoS configuration to declease the delay after sleep in case of
> >> entering deeper idle state.
> > I still think it is worth to mention this behavior change somewhere in the
> > docs.
> > Probably release_notes or sample app guides.
> I already added this influence to power_man.rst.
> ok, I will add some comments about this into l3_forward_power_man.rst.
> How about put this comments at the end of "Overview"?
Works for me.
Konstantin
> >> Signed-off-by: Huisong Li <lihuis...@huawei.com>
> >> Acked-by: Morten Brørup <m...@smartsharesystems.com>
> >> ---
> >> examples/l3fwd-power/main.c | 24 ++++++++++++++++++++++++
> >> 1 file changed, 24 insertions(+)
> >>
> >> diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> >> index 2bb6b092c3..b0ddb54ee2 100644
> >> --- a/examples/l3fwd-power/main.c
> >> +++ b/examples/l3fwd-power/main.c
> >> @@ -47,6 +47,7 @@
> >> #include <rte_telemetry.h>
> >> #include <rte_power_pmd_mgmt.h>
> >> #include <rte_power_uncore.h>
> >> +#include <rte_power_qos.h>
> >>
> >> #include "perf_core.h"
> >> #include "main.h"
> >> @@ -2260,6 +2261,22 @@ init_power_library(void)
> >> return -1;
> >> }
> >> }
> >> +
> >> + RTE_LCORE_FOREACH(lcore_id) {
> >> + /*
> >> + * Set the worker lcore's to have strict latency limit to allow
> >> + * the CPU to enter the shallowest idle state.
> >> + */
> >> + ret = rte_power_qos_set_cpu_resume_latency(lcore_id,
> >> + RTE_POWER_QOS_STRICT_LATENCY_VALUE);
> >> + if (ret != 0) {
> >> + RTE_LOG(ERR, L3FWD_POWER,
> >> + "Failed to set strict resume latency on
> >> core%u.\n",
> >> + lcore_id);
> >> + return ret;
> >> + }
> >> + }
> >> +
> >> return ret;
> >> }
> >>
> >> @@ -2299,6 +2316,13 @@ deinit_power_library(void)
> >> }
> >> }
> >> }
> >> +
> >> + RTE_LCORE_FOREACH(lcore_id) {
> >> + /* Restore the original value in kernel. */
> >> + rte_power_qos_set_cpu_resume_latency(lcore_id,
> >> + RTE_POWER_QOS_RESUME_LATENCY_NO_CONSTRAINT);
> >> + }
> >> +
> >> return ret;
> >> }
> >>
> >> --
> >> 2.22.0
