linux-kernel - [PATCH v3 0/2] Always show mmap prot even though PROT

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Message-ID: <20240428031008.1535765-1-changbin.du@huawei.com>
Date: Sun, 28 Apr 2024 11:10:06 +0800
From: Changbin Du <changbin.du@...wei.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim
	<namhyung@...nel.org>
CC: Mark Rutland <mark.rutland@....com>, Alexander Shishkin
	<alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Ian
 Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
	<linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Changbin
 Du <changbin.du@...wei.com>
Subject: [PATCH v3 0/2] Always show mmap prot even though PROT_NONE

Before: PROT_NONE is not shown.
$ 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