3af6e33867
To do that we needed to stop using newtForm, as we don't want libnewt to catch the xterm resize signal. Remove some more newt calls and instead use the underlying libslang directly. In time tools/perf will use just libslang. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-h1824yjiru5n2ivz4bseizwj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
189 lines
4.5 KiB
C
189 lines
4.5 KiB
C
#ifndef _PERF_PERF_H
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#define _PERF_PERF_H
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struct winsize;
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void get_term_dimensions(struct winsize *ws);
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#if defined(__i386__)
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#include "../../arch/x86/include/asm/unistd.h"
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#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#define CPUINFO_PROC "model name"
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#endif
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#if defined(__x86_64__)
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#include "../../arch/x86/include/asm/unistd.h"
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#define rmb() asm volatile("lfence" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#define CPUINFO_PROC "model name"
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#endif
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#ifdef __powerpc__
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#include "../../arch/powerpc/include/asm/unistd.h"
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#define rmb() asm volatile ("sync" ::: "memory")
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#define cpu_relax() asm volatile ("" ::: "memory");
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#define CPUINFO_PROC "cpu"
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#endif
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#ifdef __s390__
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#include "../../arch/s390/include/asm/unistd.h"
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#define rmb() asm volatile("bcr 15,0" ::: "memory")
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#define cpu_relax() asm volatile("" ::: "memory");
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#endif
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#ifdef __sh__
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#include "../../arch/sh/include/asm/unistd.h"
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#if defined(__SH4A__) || defined(__SH5__)
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# define rmb() asm volatile("synco" ::: "memory")
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#else
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# define rmb() asm volatile("" ::: "memory")
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#endif
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#define cpu_relax() asm volatile("" ::: "memory")
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#define CPUINFO_PROC "cpu type"
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#endif
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#ifdef __hppa__
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#include "../../arch/parisc/include/asm/unistd.h"
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#define rmb() asm volatile("" ::: "memory")
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#define cpu_relax() asm volatile("" ::: "memory");
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#define CPUINFO_PROC "cpu"
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#endif
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#ifdef __sparc__
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#include "../../arch/sparc/include/asm/unistd.h"
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#define rmb() asm volatile("":::"memory")
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#define cpu_relax() asm volatile("":::"memory")
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#define CPUINFO_PROC "cpu"
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#endif
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#ifdef __alpha__
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#include "../../arch/alpha/include/asm/unistd.h"
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#define rmb() asm volatile("mb" ::: "memory")
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#define cpu_relax() asm volatile("" ::: "memory")
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#define CPUINFO_PROC "cpu model"
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#endif
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#ifdef __ia64__
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#include "../../arch/ia64/include/asm/unistd.h"
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#define rmb() asm volatile ("mf" ::: "memory")
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#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
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#define CPUINFO_PROC "model name"
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#endif
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#ifdef __arm__
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#include "../../arch/arm/include/asm/unistd.h"
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/*
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* Use the __kuser_memory_barrier helper in the CPU helper page. See
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* arch/arm/kernel/entry-armv.S in the kernel source for details.
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*/
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#define rmb() ((void(*)(void))0xffff0fa0)()
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#define cpu_relax() asm volatile("":::"memory")
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#define CPUINFO_PROC "Processor"
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#endif
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#ifdef __mips__
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#include "../../arch/mips/include/asm/unistd.h"
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#define rmb() asm volatile( \
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".set mips2\n\t" \
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"sync\n\t" \
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".set mips0" \
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: /* no output */ \
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: /* no input */ \
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: "memory")
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#define cpu_relax() asm volatile("" ::: "memory")
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#define CPUINFO_PROC "cpu model"
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#endif
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#include <time.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include "../../include/linux/perf_event.h"
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#include "util/types.h"
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#include <stdbool.h>
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struct perf_mmap {
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void *base;
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int mask;
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unsigned int prev;
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};
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static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm)
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{
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struct perf_event_mmap_page *pc = mm->base;
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int head = pc->data_head;
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rmb();
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return head;
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}
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static inline void perf_mmap__write_tail(struct perf_mmap *md,
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unsigned long tail)
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{
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struct perf_event_mmap_page *pc = md->base;
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/*
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* ensure all reads are done before we write the tail out.
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*/
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/* mb(); */
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pc->data_tail = tail;
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}
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/*
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* prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all
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* counters in the current task.
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*/
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#define PR_TASK_PERF_EVENTS_DISABLE 31
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#define PR_TASK_PERF_EVENTS_ENABLE 32
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#ifndef NSEC_PER_SEC
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# define NSEC_PER_SEC 1000000000ULL
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#endif
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static inline unsigned long long rdclock(void)
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
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}
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/*
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* Pick up some kernel type conventions:
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*/
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#define __user
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#define asmlinkage
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#define min(x, y) ({ \
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typeof(x) _min1 = (x); \
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typeof(y) _min2 = (y); \
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(void) (&_min1 == &_min2); \
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_min1 < _min2 ? _min1 : _min2; })
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static inline int
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sys_perf_event_open(struct perf_event_attr *attr,
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pid_t pid, int cpu, int group_fd,
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unsigned long flags)
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{
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attr->size = sizeof(*attr);
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return syscall(__NR_perf_event_open, attr, pid, cpu,
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group_fd, flags);
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}
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#define MAX_COUNTERS 256
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#define MAX_NR_CPUS 256
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struct ip_callchain {
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u64 nr;
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u64 ips[0];
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};
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extern bool perf_host, perf_guest;
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extern const char perf_version_string[];
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void pthread__unblock_sigwinch(void);
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#endif
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