linux-kernel - [PATCH 4/4] perf trace beauty: Always show mprotect prot even though PROT

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Message-ID: <20240418131304.3188385-5-changbin.du@huawei.com>
Date: Thu, 18 Apr 2024 21:13:04 +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 4/4] perf trace beauty: Always show mprotect prot even though PROT_NONE

Do not omit the flags even though it is PROT_NONE.

Signed-off-by: Changbin Du <changbin.du@...wei.com>
---
 tools/perf/builtin-trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 349550b02f79..7f936f1b5519 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1042,7 +1042,7 @@ static const struct syscall_fmt syscall_fmts[] = {
 		   [4] = { .scnprintf = SCA_MOVE_MOUNT_FLAGS, /* flags */ }, }, },
 	{ .name	    = "mprotect",
 	  .arg = { [0] = { .scnprintf = SCA_HEX,	/* start */ },
-		   [2] = { .scnprintf = SCA_MMAP_PROT,	/* prot */ }, }, },
+		   [2] = { .scnprintf = SCA_MMAP_PROT, .show_zero = true, /* prot */ }, }, },
 	{ .name	    = "mq_unlink",
 	  .arg = { [0] = { .scnprintf = SCA_FILENAME, /* u_name */ }, }, },
 	{ .name	    = "mremap",	    .hexret = true,
-- 
2.34.1