xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[IA64] - SGI SN hwperf enhancements -

Browse Source 
Add a new exported function for determining the nearest node
with CPUs for I/O nodes and fix a bug where the hwperf dynamic
misc device was being registered before misc_init(). 

Signed-off-by: Mark Goodwin <markgw@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Mark Goodwin
2005-08-17 15:17:00 -07:00
committed by Tony Luck
parent ecc3c30ae3
commit 60a3ba0bb4
2 changed files with 256 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/asm-ia64/sn/sn2/sn_hwperf.h
View File

@@ -43,6 +43,7 @@ struct sn_hwperf_object_info {
/* macros for object classification */
#define SN_HWPERF_IS_NODE(x) ((x) && strstr((x)->name, "SHub"))
#define SN_HWPERF_IS_NODE_SHUB2(x) ((x) && strstr((x)->name, "SHub 2."))
#define SN_HWPERF_IS_IONODE(x) ((x) && strstr((x)->name, "TIO"))
#define SN_HWPERF_IS_ROUTER(x) ((x) && strstr((x)->name, "Router"))
#define SN_HWPERF_IS_NL3ROUTER(x) ((x) && strstr((x)->name, "NL3Router"))
@@ -214,6 +215,15 @@ struct sn_hwperf_ioctl_args {
*/
#define SN_HWPERF_GET_NODE_NASID (102|SN_HWPERF_OP_MEM_COPYOUT)
/*
* Given a node id, determine the id of the nearest node with CPUs
* and the id of the nearest node that has memory. The argument
* node would normally be a "headless" node, e.g. an "IO node".
* Return 0 on success.
*/
extern int sn_hwperf_get_nearest_node(cnodeid_t node,
cnodeid_t *near_mem, cnodeid_t *near_cpu);
/* return codes */
#define SN_HWPERF_OP_OK 0
#define SN_HWPERF_OP_NOMEM 1