-----Original Message-----
> Date: Fri, 13 Oct 2017 02:02:43 +0200
> From: Thomas Monjalon <tho...@monjalon.net>
> To: gowrishanka...@linux.vnet.ibm.com, jerin.ja...@caviumnetworks.com,
> jianbo....@linaro.org, sergio.gonzalez.mon...@intel.com,
> bruce.richard...@intel.com
> Cc: dev@dpdk.org
> Subject: [PATCH 0/4] improve tsc frequency calibration
> X-Mailer: git-send-email 2.14.1
>
> v3 changes:
> - implement in .c files instead of exporting an inline arch function
> - rename arch function from rte_rdtsc_arch_hz to get_tsc_freq_arch
> - integrate x86 implementation in the series
> - fix private EAL include in PPC implementation (not tested)
Thanks Thomas.
Tested on a arm64 machine.
Tested-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
>
>
> From: Gowrishankar Muthukrishnan <gowrishanka...@linux.vnet.ibm.com>
>
> Some architecture like armv8 provides an architecture specific function
> to get the rdtsc frequency. The existing rdtsc calibration scheme uses
> OS serivce like sleep(1) to calibrate the frequency which may not
> produce the accurate result. Introducing an architecture specific hook
> to get the rdtsc frequency if architecture provides it. If not, use the
> exiting the calibrate scheme to get the rdtsc frequency.
>
> Jerin Jacob (3):
> timer: honor arch-specific TSC frequency query
> eal/armv8: implement arch-specific TSC freq query
> eal/ppc64: implement arch-specific TSC freq query
>
> Sergio Gonzalez Monroy (1):
> eal/x86: implement arch-specific TSC freq query
>
> lib/librte_eal/bsdapp/eal/Makefile | 1 +
> lib/librte_eal/common/arch/arm/rte_cycles.c | 45 +++++++
> .../ppc_64/rte_cycles.c} | 78 ++---------
> .../{eal_common_timer.c => arch/x86/rte_cycles.c} | 143
> ++++++++++++++-------
> lib/librte_eal/common/eal_common_timer.c | 5 +-
> lib/librte_eal/common/eal_private.h | 11 ++
> lib/librte_eal/linuxapp/eal/Makefile | 1 +
> 7 files changed, 170 insertions(+), 114 deletions(-)
> create mode 100644 lib/librte_eal/common/arch/arm/rte_cycles.c
> copy lib/librte_eal/common/{eal_common_timer.c => arch/ppc_64/rte_cycles.c}
> (50%)
> copy lib/librte_eal/common/{eal_common_timer.c => arch/x86/rte_cycles.c}
> (50%)
>
> --
> 2.14.1
>
