perf trace: Don't supress zeroed args when there is an strarray entry for it
Case in hand: 9.682 ( 0.001 ms): Xorg/13079 setitimer(which: REAL, value: 0x7fffede42470) = 0 ITIMER_REAL is zero. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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-6hnoqsjh99t4hxi3xu2nlwep@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -940,8 +940,15 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
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field = field->next, ++arg.idx, bit <<= 1) {
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field = field->next, ++arg.idx, bit <<= 1) {
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if (arg.mask & bit)
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if (arg.mask & bit)
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continue;
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continue;
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/*
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if (args[arg.idx] == 0)
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* Suppress this argument if its value is zero and
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* and we don't have a string associated in an
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* strarray for it.
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*/
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if (args[arg.idx] == 0 &&
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!(sc->arg_scnprintf &&
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sc->arg_scnprintf[arg.idx] == SCA_STRARRAY &&
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sc->arg_parm[arg.idx]))
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continue;
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continue;
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printed += scnprintf(bf + printed, size - printed,
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printed += scnprintf(bf + printed, size - printed,
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