> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Bruce Richardson > Sent: Thursday, 1 July 2021 11.35 > > When multi-process is not wanted and DPDK is run with the "no-shconf" > flag, the telemetry library still needs a runtime directory to place > the > unix socket for telemetry connections. Therefore, rather than not > creating the directory when this flag is set, we can change the code to > attempt the creation anyway, but not error out if it fails. If it > succeeds, then telemetry will be available, but if it fails, the rest > of > DPDK will run without telemetry. This ensures that the "in-memory" flag > will allow DPDK to run even if the whole filesystem is read-only, for > example. > > Signed-off-by: Bruce Richardson <bruce.richard...@intel.com> > --- > lib/eal/linux/eal.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c > index ba19fc6347..1e05ba3847 100644 > --- a/lib/eal/linux/eal.c > +++ b/lib/eal/linux/eal.c > @@ -838,9 +838,8 @@ eal_parse_args(int argc, char **argv) > } > } > > - /* create runtime data directory */ > - if (internal_conf->no_shconf == 0 && > - eal_create_runtime_dir() < 0) { > + /* create runtime data directory. In no_shconf mode, skip any > errors */ > + if (eal_create_runtime_dir() < 0 && internal_conf->no_shconf == > 0) { > RTE_LOG(ERR, EAL, "Cannot create runtime directory\n"); > ret = -1; > goto out;
When internal_conf->no_shconf == 1 and eal_create_runtime_dir() fails, DPDK will run without telemetry. Shouldn't it then be logged that telemetry is unavailable (and why it is unavailable)? > -- > 2.30.2 >