diff options
| author | Alex Snast <asnast@gmail.com> | 2014-08-13 11:42:40 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-13 14:55:26 -0400 |
| commit | 86998dda5d244f4b1b994dfe34a677f3b70cfdd3 (patch) | |
| tree | ed00ab171797ef1ff813844b8ff9e84b25cdc3a7 /tools/perf/builtin-trace.c | |
| parent | 467ec08567483e3868f240b1ee03808970e06388 (diff) | |
perf trace: Add beautifier for mremap flags param
~/devel/kernel/tools/perf(branch:master*) ยป sudo ./perf trace ~/mremap_test
0.543 ( 0.003 ms): mprotect(start: 0x600000, len: 4096, prot: READ ) = 0
0.550 ( 0.003 ms): mprotect(start: 0x7f441260d000, len: 4096, prot: READ) = 0
0.561 ( 0.010 ms): munmap(addr: 0x7f44125e2000, len: 165572 ) = 0
0.595 ( 0.012 ms): mmap(len: 12288, prot: READ|WRITE, flags: SHARED|ANONYMOUS|LOCKED, fd: -1) = 0x12608000
0.603 ( 0.006 ms): mremap(addr: 0x7f4412608000, old_len: 4096, new_len: 4096, flags: MAYMOVE|FIXED, new_addr: 0x7f16da295000) = 0xda295000
0.608 ( 0.003 ms): mremap(addr: 0x7f441260a000, old_len: 4096, new_len: 4096, flags: MAYMOVE|FIXED, new_addr: 0x7f16da297000) = 0xda297000
0.612 ( 0.003 ms): mremap(addr: 0x7f4412609000, old_len: 4096, new_len: 4096, flags: MAYMOVE|FIXED, new_addr: 0x7f16da296000) = 0xda296000
0.619 ( 0.000 ms): exit_group(
Signed-off-by: Alex Snast <asnast@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1407944560-26924-1-git-send-email-asnast@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 36ae51d61be2..20fac5083771 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c | |||
| @@ -402,6 +402,31 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, | |||
| 402 | 402 | ||
| 403 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | 403 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags |
| 404 | 404 | ||
| 405 | static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, | ||
| 406 | struct syscall_arg *arg) | ||
| 407 | { | ||
| 408 | int printed = 0, flags = arg->val; | ||
| 409 | |||
| 410 | #define P_MREMAP_FLAG(n) \ | ||
| 411 | if (flags & MREMAP_##n) { \ | ||
| 412 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | ||
| 413 | flags &= ~MREMAP_##n; \ | ||
| 414 | } | ||
| 415 | |||
| 416 | P_MREMAP_FLAG(MAYMOVE); | ||
| 417 | #ifdef MREMAP_FIXED | ||
| 418 | P_MREMAP_FLAG(FIXED); | ||
| 419 | #endif | ||
| 420 | #undef P_MREMAP_FLAG | ||
| 421 | |||
| 422 | if (flags) | ||
| 423 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | ||
| 424 | |||
| 425 | return printed; | ||
| 426 | } | ||
| 427 | |||
| 428 | #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags | ||
| 429 | |||
| 405 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, | 430 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
| 406 | struct syscall_arg *arg) | 431 | struct syscall_arg *arg) |
| 407 | { | 432 | { |
| @@ -1004,6 +1029,7 @@ static struct syscall_fmt { | |||
| 1004 | [2] = SCA_MMAP_PROT, /* prot */ }, }, | 1029 | [2] = SCA_MMAP_PROT, /* prot */ }, }, |
| 1005 | { .name = "mremap", .hexret = true, | 1030 | { .name = "mremap", .hexret = true, |
| 1006 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ | 1031 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ |
| 1032 | [3] = SCA_MREMAP_FLAGS, /* flags */ | ||
| 1007 | [4] = SCA_HEX, /* new_addr */ }, }, | 1033 | [4] = SCA_HEX, /* new_addr */ }, }, |
| 1008 | { .name = "munlock", .errmsg = true, | 1034 | { .name = "munlock", .errmsg = true, |
| 1009 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, | 1035 | .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, |