On Fri, Feb 13, 2015 at 09:38:07AM +0800, Cunming Liang wrote: > It returns the socket_id if all cpus in the cpuset belongs > to the same NUMA node, otherwise it will return SOCKET_ID_ANY. > > Signed-off-by: Cunming Liang <cunming.liang at intel.com> > --- > v5 changes: > expose cpu_socket_id as eal_cpu_socket_id for linuxapp > eal_cpuset_socket_id() remove static inline and move to c file > > lib/librte_eal/bsdapp/eal/eal_lcore.c | 7 +++++++ > lib/librte_eal/common/eal_thread.h | 11 +++++++++++ > lib/librte_eal/linuxapp/eal/eal_lcore.c | 7 ++++--- > 3 files changed, 22 insertions(+), 3 deletions(-) > > diff --git a/lib/librte_eal/bsdapp/eal/eal_lcore.c > b/lib/librte_eal/bsdapp/eal/eal_lcore.c > index 72f8ac2..162fb4f 100644 > --- a/lib/librte_eal/bsdapp/eal/eal_lcore.c > +++ b/lib/librte_eal/bsdapp/eal/eal_lcore.c > @@ -41,6 +41,7 @@ > #include <rte_debug.h> > > #include "eal_private.h" > +#include "eal_thread.h" > > /* No topology information available on FreeBSD including NUMA info */ > #define cpu_core_id(X) 0 > @@ -112,3 +113,9 @@ rte_eal_cpu_init(void) > > return 0; > } > + > +unsigned > +eal_cpu_socket_id(__rte_unused unsigned cpu_id) > +{ > + return cpu_socket_id(cpu_id); > +} > diff --git a/lib/librte_eal/common/eal_thread.h > b/lib/librte_eal/common/eal_thread.h > index b53b84d..f1ce0bd 100644 > --- a/lib/librte_eal/common/eal_thread.h > +++ b/lib/librte_eal/common/eal_thread.h > @@ -50,4 +50,15 @@ __attribute__((noreturn)) void *eal_thread_loop(void *arg); > */ > void eal_thread_init_master(unsigned lcore_id); > > +/** > + * Get the NUMA socket id from cpu id. > + * This function is private to EAL. > + * > + * @param cpu_id > + * The logical process id. > + * @return > + * socket_id or SOCKET_ID_ANY > + */ > +unsigned eal_cpu_socket_id(unsigned cpu_id); > + > #endif /* EAL_THREAD_H */ > diff --git a/lib/librte_eal/linuxapp/eal/eal_lcore.c > b/lib/librte_eal/linuxapp/eal/eal_lcore.c > index 29615f8..ef8c433 100644 > --- a/lib/librte_eal/linuxapp/eal/eal_lcore.c > +++ b/lib/librte_eal/linuxapp/eal/eal_lcore.c > @@ -45,6 +45,7 @@ > > #include "eal_private.h" > #include "eal_filesystem.h" > +#include "eal_thread.h" > > #define SYS_CPU_DIR "/sys/devices/system/cpu/cpu%u" > #define CORE_ID_FILE "topology/core_id" > @@ -71,8 +72,8 @@ cpu_detected(unsigned lcore_id) > * Note: physical package id != NUMA node, but we use it as a > * fallback for kernels which don't create a nodeY link > */ > -static unsigned > -cpu_socket_id(unsigned lcore_id) > +unsigned > +eal_cpu_socket_id(unsigned lcore_id) If you want to export this symbol, then you need to add it to the version map.
Neil