perf trace beauty: Use the mmap flags table generated from headers
Instead of requiring us to go on and edit sources to add new flag. # perf trace -e *mmap sleep 0.1 0.025 ( 0.005 ms): sleep/29876 mmap(len: 163746, prot: READ, flags: PRIVATE, fd: 3) = 0x7faa68ad1000 0.059 ( 0.004 ms): sleep/29876 mmap(len: 8192, prot: READ|WRITE, flags: PRIVATE|ANONYMOUS) = 0x7faa68acf000 0.069 ( 0.006 ms): sleep/29876 mmap(len: 3889792, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3) = 0x7faa6851f000 0.086 ( 0.009 ms): sleep/29876 mmap(addr: 0x7faa688cb000, len: 24576, prot: READ|WRITE, flags: PRIVATE|FIXED|DENYWRITE, fd: 3, off: 1753088) = 0x7faa688cb000 0.101 ( 0.005 ms): sleep/29876 mmap(addr: 0x7faa688d1000, len: 14976, prot: READ|WRITE, flags: PRIVATE|FIXED|ANONYMOUS) = 0x7faa688d1000 0.348 ( 0.005 ms): sleep/29876 mmap(len: 111950656, prot: READ, flags: PRIVATE, fd: 3) = 0x7faa61a5b000 # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-ggmoy6vxoygh5yim890ht0kf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -1,5 +1,6 @@
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// SPDX-License-Identifier: LGPL-2.1
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#include <uapi/linux/mman.h>
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#include <linux/log2.h>
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static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
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struct syscall_arg *arg)
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#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
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static size_t mmap__scnprintf_flags(unsigned long flags, char *bf, size_t size)
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{
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#include "trace/beauty/generated/mmap_flags_array.c"
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static DEFINE_STRARRAY(mmap_flags);
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return strarray__scnprintf_flags(&strarray__mmap_flags, bf, size, flags);
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}
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static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, flags = arg->val;
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unsigned long flags = arg->val;
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if (flags & MAP_ANONYMOUS)
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arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
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#define P_MMAP_FLAG(n) \
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if (flags & MAP_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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flags &= ~MAP_##n; \
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}
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P_MMAP_FLAG(SHARED);
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P_MMAP_FLAG(PRIVATE);
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#ifdef MAP_32BIT
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P_MMAP_FLAG(32BIT);
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#endif
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P_MMAP_FLAG(ANONYMOUS);
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P_MMAP_FLAG(DENYWRITE);
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P_MMAP_FLAG(EXECUTABLE);
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P_MMAP_FLAG(FILE);
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P_MMAP_FLAG(FIXED);
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#ifdef MAP_FIXED_NOREPLACE
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P_MMAP_FLAG(FIXED_NOREPLACE);
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#endif
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P_MMAP_FLAG(GROWSDOWN);
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P_MMAP_FLAG(HUGETLB);
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P_MMAP_FLAG(LOCKED);
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P_MMAP_FLAG(NONBLOCK);
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P_MMAP_FLAG(NORESERVE);
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P_MMAP_FLAG(POPULATE);
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P_MMAP_FLAG(STACK);
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P_MMAP_FLAG(UNINITIALIZED);
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#ifdef MAP_SYNC
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P_MMAP_FLAG(SYNC);
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#endif
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#undef P_MMAP_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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return mmap__scnprintf_flags(flags, bf, size);
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}
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#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
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