linux-kernel - [tip: perf/urgent] perf config: Introduce perf_config

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Date:   Sat, 29 Feb 2020 09:16:49 -0000
From:   "tip-bot2 for Ravi Bangoria" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Changbin Du <changbin.du@...el.com>,
        Ian Rogers <irogers@...gle.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>, Leo Yan <leo.yan@...aro.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Song Liu <songliubraving@...com>,
        Taeung Song <treeze.taeung@...il.com>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Yisheng Xie <xieyisheng1@...wei.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: perf/urgent] perf config: Introduce perf_config_u8()

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     7b43b6970474757da68e89efb76e892219dea9d8
Gitweb:        https://git.kernel.org/tip/7b43b6970474757da68e89efb76e892219dea9d8
Author:        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
AuthorDate:    Thu, 13 Feb 2020 12:13:02 +05:30
Committer:     Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Thu, 27 Feb 2020 10:44:54 -03:00

perf config: Introduce perf_config_u8()

Introduce perf_config_u8() utility function to convert char * input into
u8 destination. We will utilize it in followup patch.

Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Changbin Du <changbin.du@...el.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Song Liu <songliubraving@...com>
Cc: Taeung Song <treeze.taeung@...il.com>
Cc: Thomas Richter <tmricht@...ux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@...wei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-5-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/config.c | 12 ++++++++++++
 tools/perf/util/config.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 0bc9c4d..ef38eba 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -374,6 +374,18 @@ int perf_config_int(int *dest, const char *name, const char *value)
 	return 0;
 }
 
+int perf_config_u8(u8 *dest, const char *name, const char *value)
+{
+	long ret = 0;
+
+	if (!perf_parse_long(value, &ret)) {
+		bad_config(name);
+		return -1;
+	}
+	*dest = ret;
+	return 0;
+}
+
 static int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
 {
 	int ret;
diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
index bd0a589..c10b66d 100644
--- a/tools/perf/util/config.h
+++ b/tools/perf/util/config.h
@@ -29,6 +29,7 @@ typedef int (*config_fn_t)(const char *, const char *, void *);
 int perf_default_config(const char *, const char *, void *);
 int perf_config(config_fn_t fn, void *);
 int perf_config_int(int *dest, const char *, const char *);
+int perf_config_u8(u8 *dest, const char *name, const char *value);
 int perf_config_u64(u64 *dest, const char *, const char *);
 int perf_config_bool(const char *, const char *);
 int config_error_nonbool(const char *);