[v3] Always show mmap prot even though PROT_NONE

[RESEND PATCH v3 0/2] Always show mmap prot even though PROT_NONE

Posted by Changbin Du 1 year, 7 months ago

Before: PROT_NONE is not shown for prot 0.
$ sudo perf trace -e syscalls:sys_enter_mmap --filter prot==0  -- ls
     0.000 ls/2979231 syscalls:sys_enter_mmap(len: 4220888, flags: PRIVATE|ANONYMOUS)

After: PROT_NONE is displayed.
$ sudo perf trace -e syscalls:sys_enter_mmap --filter prot==0  -- ls
     0.000 ls/2975708 syscalls:sys_enter_mmap(len: 4220888, prot: NONE, flags: PRIVATE|ANONYMOUS)

Changbin Du (2):
  perf trace beauty: Always show param if show_zero is set
  perf trace beauty: Always show mmap prot even though PROT_NONE

 tools/perf/builtin-trace.c | 35 ++++++++++-------------------------
 1 file changed, 10 insertions(+), 25 deletions(-)

-- 
2.34.1

Re: [RESEND PATCH v3 0/2] Always show mmap prot even though PROT_NONE

Posted by Namhyung Kim 1 year, 6 months ago

On Wed, 22 May 2024 11:35:40 +0800, Changbin Du wrote:
> Before: PROT_NONE is not shown for prot 0.
> $ sudo perf trace -e syscalls:sys_enter_mmap --filter prot==0  -- ls
>      0.000 ls/2979231 syscalls:sys_enter_mmap(len: 4220888, flags: PRIVATE|ANONYMOUS)
> 
> After: PROT_NONE is displayed.
> $ sudo perf trace -e syscalls:sys_enter_mmap --filter prot==0  -- ls
>      0.000 ls/2975708 syscalls:sys_enter_mmap(len: 4220888, prot: NONE, flags: PRIVATE|ANONYMOUS)
> 
> [...]

Applied to perf-tools-next, thanks!

[1/2] perf trace beauty: Always show param if show_zero is set
      commit: 92968dcc037fed045dab5c8e52b51255d77f5432
[2/2] perf trace beauty: Always show mmap prot even though PROT_NONE
      commit: f975c13d2a34a335fc559aeff76dcaba456cced0

Best regards,
-- 
Namhyung Kim <namhyung@kernel.org>