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added function to get system cache line size

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This commit is contained in:
Steffen Vogel 2016-06-08 22:30:30 +02:00
parent 90ae32058a
commit ac61a8498e
2 changed files with 7 additions and 0 deletions
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3
include/linux.h
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@ -48,4 +48,7 @@ int kernel_module_load(const char *module);
/** Set parameter of loaded kernel module */
int kernel_module_set_param(const char *module, const char *param, const char *value);
/** Get cacheline size in bytes */
int kernel_get_cacheline_size();
#endif /* _LINUX_H_ */

4
lib/linux.c
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@ -123,4 +123,8 @@ int kernel_has_cmdline(const char *substr)
return -1;
return strstr(cmd, substr) ? 0 : -1;
}
int kernel_get_cacheline_size()
{
return sysconf(_SC_LEVEL1_ICACHE_LINESIZE);
}