linux-kernel - [tip:perf/core] perf trace: Introduce syscall_arg__scnprintf_strarray

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Date:   Thu, 30 May 2019 01:03:14 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     adrian.hunter@...el.com, tglx@...utronix.de, acme@...hat.com,
        linux-kernel@...r.kernel.org, hpa@...or.com, jolsa@...nel.org,
        namhyung@...nel.org, brendan.d.gregg@...il.com, mingo@...nel.org,
        lclaudio@...hat.com
Subject: [tip:perf/core] perf trace: Introduce
 syscall_arg__scnprintf_strarray_flags

Commit-ID:  f5b91dbba1a51d30a3fe78a5c6096392fa99471e
Gitweb:     https://git.kernel.org/tip/f5b91dbba1a51d30a3fe78a5c6096392fa99471e
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 23 May 2019 18:05:03 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 28 May 2019 18:37:43 -0300

perf trace: Introduce syscall_arg__scnprintf_strarray_flags

So that one can just define a strarray and process it as a set of flags,
similar to syscall_arg__scnprintf_strarray() with plain arrays.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Brendan Gregg <brendan.d.gregg@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: https://lkml.kernel.org/n/tip-nnt25wkpkow2w0yefhi6sb7q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-trace.c       | 5 +++++
 tools/perf/trace/beauty/beauty.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 87b6dd3c33f5..16bb8c04c689 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -403,6 +403,11 @@ static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
 
 #define SCA_STRARRAY syscall_arg__scnprintf_strarray
 
+size_t syscall_arg__scnprintf_strarray_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	return strarray__scnprintf_flags(arg->parm, bf, size, arg->show_string_prefix, arg->val);
+}
+
 size_t strarrays__scnprintf(struct strarrays *sas, char *bf, size_t size, const char *intfmt, bool show_prefix, int val)
 {
 	size_t printed;
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index 90c1ee708dc9..ad874e0beba5 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -108,6 +108,9 @@ struct syscall_arg {
 
 unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx);
 
+size_t syscall_arg__scnprintf_strarray_flags(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_STRARRAY_FLAGS syscall_arg__scnprintf_strarray_flags
+
 size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg);
 #define SCA_STRARRAYS syscall_arg__scnprintf_strarrays