korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-18 17:54:13 +08:00
Code Issues Packages Projects Releases Wiki Activity
96355f2cfb
linux/tools/perf/perf-sys.h
Alexander Yarygin f8d9ccde2b perf tools: Allow to use cpuinfo on s390 
This patch defines CPUINFO_PROC for s390 and implements get_cpuid().

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/87ioneo7qh.wl%yarygin@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2014-07-07 16:55:24 -03:00

192 lines
5.0 KiB
C
Raw Blame History

#ifndef _PERF_SYS_H
#define _PERF_SYS_H
#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <linux/types.h>
#include <linux/perf_event.h>
#include <asm/unistd.h>
#if defined(__i386__)
#define mb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define wmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
#ifndef __NR_perf_event_open
# define __NR_perf_event_open 336
#endif
#ifndef __NR_futex
# define __NR_futex 240
#endif
#ifndef __NR_gettid
# define __NR_gettid 224
#endif
#endif
#if defined(__x86_64__)
#define mb() asm volatile("mfence" ::: "memory")
#define wmb() asm volatile("sfence" ::: "memory")
#define rmb() asm volatile("lfence" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
#ifndef __NR_perf_event_open
# define __NR_perf_event_open 298
#endif
#ifndef __NR_futex
# define __NR_futex 202
#endif
#ifndef __NR_gettid
# define __NR_gettid 186
#endif
#endif
#ifdef __powerpc__
#include "../../arch/powerpc/include/uapi/asm/unistd.h"
#define mb() asm volatile ("sync" ::: "memory")
#define wmb() asm volatile ("sync" ::: "memory")
#define rmb() asm volatile ("sync" ::: "memory")
#define CPUINFO_PROC "cpu"
#endif
#ifdef __s390__
#define mb() asm volatile("bcr 15,0" ::: "memory")
#define wmb() asm volatile("bcr 15,0" ::: "memory")
#define rmb() asm volatile("bcr 15,0" ::: "memory")
#define CPUINFO_PROC "vendor_id"
#endif
#ifdef __sh__
#if defined(__SH4A__) || defined(__SH5__)
# define mb() asm volatile("synco" ::: "memory")
# define wmb() asm volatile("synco" ::: "memory")
# define rmb() asm volatile("synco" ::: "memory")
#else
# define mb() asm volatile("" ::: "memory")
# define wmb() asm volatile("" ::: "memory")
# define rmb() asm volatile("" ::: "memory")
#endif
#define CPUINFO_PROC "cpu type"
#endif
#ifdef __hppa__
#define mb() asm volatile("" ::: "memory")
#define wmb() asm volatile("" ::: "memory")
#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC "cpu"
#endif
#ifdef __sparc__
#ifdef __LP64__
#define mb() asm volatile("ba,pt %%xcc, 1f\n" \
"membar #StoreLoad\n" \
"1:\n":::"memory")
#else
#define mb() asm volatile("":::"memory")
#endif
#define wmb() asm volatile("":::"memory")
#define rmb() asm volatile("":::"memory")
#define CPUINFO_PROC "cpu"
#endif
#ifdef __alpha__
#define mb() asm volatile("mb" ::: "memory")
#define wmb() asm volatile("wmb" ::: "memory")
#define rmb() asm volatile("mb" ::: "memory")
#define CPUINFO_PROC "cpu model"
#endif
#ifdef __ia64__
#define mb() asm volatile ("mf" ::: "memory")
#define wmb() asm volatile ("mf" ::: "memory")
#define rmb() asm volatile ("mf" ::: "memory")
#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
#define CPUINFO_PROC "model name"
#endif
#ifdef __arm__
/*
* Use the __kuser_memory_barrier helper in the CPU helper page. See
* arch/arm/kernel/entry-armv.S in the kernel source for details.
*/
#define mb() ((void(*)(void))0xffff0fa0)()
#define wmb() ((void(*)(void))0xffff0fa0)()
#define rmb() ((void(*)(void))0xffff0fa0)()
#define CPUINFO_PROC "Processor"
#endif
#ifdef __aarch64__
#define mb() asm volatile("dmb ish" ::: "memory")
#define wmb() asm volatile("dmb ishst" ::: "memory")
#define rmb() asm volatile("dmb ishld" ::: "memory")
#define cpu_relax() asm volatile("yield" ::: "memory")
#endif
#ifdef __mips__
#define mb() asm volatile( \
".set mips2\n\t" \
"sync\n\t" \
".set mips0" \
: /* no output */ \
: /* no input */ \
: "memory")
#define wmb() mb()
#define rmb() mb()
#define CPUINFO_PROC "cpu model"
#endif
#ifdef __arc__
#define mb() asm volatile("" ::: "memory")
#define wmb() asm volatile("" ::: "memory")
#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC "Processor"
#endif
#ifdef __metag__
#define mb() asm volatile("" ::: "memory")
#define wmb() asm volatile("" ::: "memory")
#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC "CPU"
#endif
#ifdef __xtensa__
#define mb() asm volatile("memw" ::: "memory")
#define wmb() asm volatile("memw" ::: "memory")
#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC "core ID"
#endif
#ifdef __tile__
#define mb() asm volatile ("mf" ::: "memory")
#define wmb() asm volatile ("mf" ::: "memory")
#define rmb() asm volatile ("mf" ::: "memory")
#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
#define CPUINFO_PROC "model name"
#endif
#define barrier() asm volatile ("" ::: "memory")
#ifndef cpu_relax
#define cpu_relax() barrier()
#endif
static inline int
sys_perf_event_open(struct perf_event_attr *attr,
pid_t pid, int cpu, int group_fd,
unsigned long flags)
{
int fd;
fd = syscall(__NR_perf_event_open, attr, pid, cpu,
group_fd, flags);
#ifdef HAVE_ATTR_TEST
if (unlikely(test_attr__enabled))
test_attr__open(attr, pid, cpu, fd, group_fd, flags);
#endif
return fd;
}
#endif /* _PERF_SYS_H */
Reference in New Issue View Git Blame Copy Permalink