perf tools: Overload pr_stat traceevent print function
The traceevent lib uses pr_stat to display all standard info. It's defined as __weak. Overloading it with perf version plugged into perf output system logic. Displaying the pr_stat stuff under '-v' option. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1386076182-14484-12-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -16,13 +16,11 @@
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int verbose;
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bool dump_trace = false, quiet = false;
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int eprintf(int level, const char *fmt, ...)
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static int _eprintf(int level, const char *fmt, va_list args)
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{
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va_list args;
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int ret = 0;
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if (verbose >= level) {
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va_start(args, fmt);
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if (use_browser >= 1)
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ui_helpline__vshow(fmt, args);
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else
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@ -33,6 +31,32 @@ int eprintf(int level, const char *fmt, ...)
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return ret;
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}
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int eprintf(int level, const char *fmt, ...)
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{
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va_list args;
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int ret;
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va_start(args, fmt);
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ret = _eprintf(level, fmt, args);
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va_end(args);
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return ret;
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}
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/*
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* Overloading libtraceevent standard info print
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* function, display with -v in perf.
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*/
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void pr_stat(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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_eprintf(1, fmt, args);
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va_end(args);
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eprintf(1, "\n");
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}
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int dump_printf(const char *fmt, ...)
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{
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va_list args;
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@ -17,4 +17,6 @@ void trace_event(union perf_event *event);
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int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2)));
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int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2)));
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void pr_stat(const char *fmt, ...);
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#endif /* __PERF_DEBUG_H */
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