perfcounter tools: move common defines ... to local header file

No change, move of duplicated stuff only.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 64 insertions, 0 deletions

diff --git a/Documentation/perf_counter/perf.h b/Documentation/perf_counter/perf.h
new file mode 100644
index 000000000000..391fcc73148a
--- /dev/null
+++ b/Documentation/perf_counter/perf.h
@@ -0,0 +1,64 @@
+#ifndef _PERF_PERF_H
+#define _PERF_PERF_H
+
+/*
+ * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
+ * counters in the current task.
+ */
+#define PR_TASK_PERF_COUNTERS_DISABLE   31
+#define PR_TASK_PERF_COUNTERS_ENABLE    32
+
+#define rdclock()                                       \
+({                                                      \
+        struct timespec ts;                             \
+                                                        \
+        clock_gettime(CLOCK_MONOTONIC, &ts);            \
+        ts.tv_sec * 1000000000ULL + ts.tv_nsec;         \
+})
+
+/*
+ * Pick up some kernel type conventions:
+ */
+#define __user
+#define asmlinkage
+
+#ifdef __x86_64__
+#define __NR_perf_counter_open 298
+#define rmb()           asm volatile("lfence" ::: "memory")
+#define cpu_relax()     asm volatile("rep; nop" ::: "memory");
+#endif
+
+#ifdef __i386__
+#define __NR_perf_counter_open 336
+#define rmb()           asm volatile("lfence" ::: "memory")
+#define cpu_relax()     asm volatile("rep; nop" ::: "memory");
+#endif
+
+#ifdef __powerpc__
+#define __NR_perf_counter_open 319
+#define rmb()           asm volatile ("sync" ::: "memory")
+#define cpu_relax()     asm volatile ("" ::: "memory");
+#endif
+
+#define unlikely(x)     __builtin_expect(!!(x), 0)
+#define min(x, y) ({                            \
+        typeof(x) _min1 = (x);                  \
+        typeof(y) _min2 = (y);                  \
+        (void) (&_min1 == &_min2);              \
+        _min1 < _min2 ? _min1 : _min2; })
+
+static inline int
+sys_perf_counter_open(struct perf_counter_hw_event *hw_event_uptr,
+                      pid_t pid, int cpu, int group_fd,
+                      unsigned long flags)
+{
+        return syscall(__NR_perf_counter_open, hw_event_uptr, pid, cpu,
+                       group_fd, flags);
+}
+
+#define MAX_COUNTERS                    64
+#define MAX_NR_CPUS                     256
+
+#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))
+
+#endif