Commit-ID: 91a058ad3856b0a37cb21250eb4c478d0297a1a3 Gitweb: http://git.kernel.org/tip/91a058ad3856b0a37cb21250eb4c478d0297a1a3 Author: Jiri Olsa <jolsa@xxxxxxxxxx> AuthorDate: Tue, 3 Dec 2013 14:09:18 +0100 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Wed, 4 Dec 2013 15:17:58 -0300 tools lib traceevent: Add traceevent_host_bigendian function Adding traceevent_host_bigendian function to get host endianity. It's used in following patches. Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Link: http://lkml.kernel.org/r/1386076182-14484-5-git-send-email-jolsa@xxxxxxxxxx Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/lib/traceevent/event-parse.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index a288860..54273c0 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -23,6 +23,7 @@ #include <stdbool.h> #include <stdarg.h> #include <regex.h> +#include <string.h> #ifndef __maybe_unused #define __maybe_unused __attribute__((unused)) @@ -527,6 +528,15 @@ __data2host8(struct pevent *pevent, unsigned long long data) __data2host8(pevent, __val); \ }) +static inline int traceevent_host_bigendian(void) +{ + unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 }; + unsigned int val; + + memcpy(&val, str, 4); + return val == 0x01020304; +} + /* taken from kernel/trace/trace.h */ enum trace_flag_type { TRACE_FLAG_IRQS_OFF = 0x01, -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html