[dpdk-dev] [PATCH v2] examples/l3fw-power: do not exit on power lib init failure
Hunt, David
david.hunt at intel.com
Tue Aug 7 15:16:17 CEST 2018
On 27/7/2018 10:53 AM, Radu Nicolau wrote:
> Do not exit the application if power library fails to initialize
> or high performance cores configuration cannot be used.
>
> Signed-off-by: Radu Nicolau <radu.nicolau at intel.com>
> ---
> v2: updated init_power_library to return error code if any core init fails
>
>
> examples/l3fwd-power/main.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> index d15cd52..e73b853 100644
> --- a/examples/l3fwd-power/main.c
> +++ b/examples/l3fwd-power/main.c
> @@ -1638,11 +1638,13 @@ init_power_library(void)
> for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
> if (rte_lcore_is_enabled(lcore_id)) {
> /* init power management library */
> - ret = rte_power_init(lcore_id);
> - if (ret)
> + int cpi_ret = rte_power_init(lcore_id);
> + if (cpi_ret) {
> RTE_LOG(ERR, POWER,
> "Library initialization failed on core %u\n",
> lcore_id);
> + ret = -1;
> + }
> }
> }
> return ret;
> @@ -1683,10 +1685,10 @@ main(int argc, char **argv)
> rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
>
> if (init_power_library())
> - rte_exit(EXIT_FAILURE, "init_power_library failed\n");
> + RTE_LOG(ERR, POWER, "init_power_library failed\n");
>
> if (update_lcore_params() < 0)
> - rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
> + RTE_LOG(ERR, POWER, "update_lcore_params failed\n");
>
> if (check_lcore_params() < 0)
> rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
Hi Radu,
I think this patch needs to be seen as a Fix instead of a patch.
The patch that introduced the API to query the power capabilities of a
core moved around some
functionality that now causes the application to exit earlier than
previously was the case, making
problems for the test framework.
I think if you added some explanation around this, and the following
line, it would be fine:
Fixes: f88e7c175a68 ("examples/l3fwd-power: add high/regular perf cores
options")
Regards,
Dave.
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