mirror of https://gitee.com/openkylin/linux.git
3bc207d2b7
On 1.6GHz Montectio Tiger4, the following performance data is measured with kernel built with defconfig which has NUMA configured: Fastest sys_getcpu: 502 itc counts. Fastest fsys_getcpu: 28 itc counts. fsys_getcpu performance is largly impacted by whether data (node_to_cpu_map etc) is in cache. It can take fsys_getcpu up to ~150 itc counts in cold cache case. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> |
||
|---|---|---|
| .. | ||
| configs | ||
| dig | ||
| hp | ||
| ia32 | ||
| kernel | ||
| lib | ||
| mm | ||
| oprofile | ||
| pci | ||
| scripts | ||
| sn | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| defconfig | ||
| install.sh | ||
| module.lds | ||