perf trace: Add beautifier for madvise behaviour/advice parm
[root@zoo ~]# perf trace -e madvise -a 35299.631 ( 0.019 ms): 19553 madvise(start: 0x7f5b101d4000, len_in: 4063232, behavior: DONTNEED ) = 0 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.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-a3twa1ia5sxt0hsxqika4efq@git.kernel.org [ ifdef DO(NT)?DUMP to fix build on f16, from David Ahern ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -88,6 +88,43 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned
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#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
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static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg)
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{
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int behavior = arg;
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switch (behavior) {
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#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
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P_MADV_BHV(NORMAL);
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P_MADV_BHV(RANDOM);
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P_MADV_BHV(SEQUENTIAL);
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P_MADV_BHV(WILLNEED);
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P_MADV_BHV(DONTNEED);
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P_MADV_BHV(REMOVE);
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P_MADV_BHV(DONTFORK);
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P_MADV_BHV(DOFORK);
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P_MADV_BHV(HWPOISON);
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#ifdef MADV_SOFT_OFFLINE
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P_MADV_BHV(SOFT_OFFLINE);
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#endif
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P_MADV_BHV(MERGEABLE);
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P_MADV_BHV(UNMERGEABLE);
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P_MADV_BHV(HUGEPAGE);
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P_MADV_BHV(NOHUGEPAGE);
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#ifdef MADV_DONTDUMP
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P_MADV_BHV(DONTDUMP);
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#endif
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#ifdef MADV_DODUMP
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P_MADV_BHV(DODUMP);
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#endif
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#undef P_MADV_PHV
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default: break;
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}
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return scnprintf(bf, size, "%#x", behavior);
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}
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#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
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static struct syscall_fmt {
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const char *name;
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const char *alias;
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@ -108,6 +145,9 @@ static struct syscall_fmt {
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{ .name = "ioctl", .errmsg = true,
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.arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, },
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{ .name = "lstat", .errmsg = true, .alias = "newlstat", },
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{ .name = "madvise", .errmsg = true,
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.arg_scnprintf = { [0] = SCA_HEX, /* start */
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[2] = SCA_MADV_BHV, /* behavior */ }, },
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{ .name = "mmap", .hexret = true,
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.arg_scnprintf = { [0] = SCA_HEX, /* addr */
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[2] = SCA_MMAP_PROT, /* prot */
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