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| author |   Jiri Olsa <jolsa@kernel.org> | 2014-05-05 12:58:31 +0200 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-05-05 17:48:51 +0200 |
| commit | 82baa0eb46c15b749723d0c801470fea044657d7 (patch) | |
| tree | 97781ce38bb6eb3496dc49cb62094d097466de60 /tools/perf/perf-sys.h | |
| parent | perf tools: Move syscall and arch specific defines from perf.h (diff) | |
| download | linux-dev-82baa0eb46c15b749723d0c801470fea044657d7.tar.xz linux-dev-82baa0eb46c15b749723d0c801470fea044657d7.zip | |
perf tools: Move sys_perf_event_open function from perf.h
Into perf-sys.h header, as requested by Peter:
http://lkml.kernel.org/r/20140502115201.GI30445@twins.programming.kicks-ass.net
Adding HAVE_ATTR_TEST define to turn off/on the attribute
test code in the sys_perf_event_open function.
Requested-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1399293219-8732-10-git-send-email-jolsa@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/perf/perf-sys.h')
| -rw-r--r-- | tools/perf/perf-sys.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h index 4c22c2a66b6c..5268a1481d23 100644 --- a/tools/perf/perf-sys.h +++ b/tools/perf/perf-sys.h @@ -1,6 +1,11 @@ #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__) @@ -165,4 +170,21 @@ #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 */ |