linux-kernel - [PATCH v2 2/4] perf docs: substitute CAP_SYS_ADMIN with CAP

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Message-ID: <f1b48de9-e2b7-d20b-3686-3a15b73ef45c@linux.intel.com>
Date:   Wed, 22 Apr 2020 17:44:53 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>
Cc:     Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "selinux@...r.kernel.org" <selinux@...r.kernel.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>
Subject: [PATCH v2 2/4] perf docs: substitute CAP_SYS_ADMIN with CAP_PERFMON
 where needed


Substitute CAP_SYS_ADMIN with CAP_PERFMON in the docs where admin
is mentioned. CAP_SYS_ADMIN still works in keeping with user space
backward compatibility approach.

Signed-off-by: Alexey Budankov <alexey.budankov@...ux.intel.com>
---
 tools/perf/Documentation/perf-intel-pt.txt | 2 +-
 tools/perf/design.txt                      | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/perf/Documentation/perf-intel-pt.txt b/tools/perf/Documentation/perf-intel-pt.txt
index 456fdcbf26ac..176597be0755 100644
--- a/tools/perf/Documentation/perf-intel-pt.txt
+++ b/tools/perf/Documentation/perf-intel-pt.txt
@@ -687,7 +687,7 @@ The v4.2 kernel introduced support for a context switch metadata event,
 PERF_RECORD_SWITCH, which allows unprivileged users to see when their processes
 are scheduled out and in, just not by whom, which is left for the
 PERF_RECORD_SWITCH_CPU_WIDE, that is only accessible in system wide context,
-which in turn requires CAP_SYS_ADMIN.
+which in turn requires CAP_PERFMON.
 
 Please see the 45ac1403f564 ("perf: Add PERF_RECORD_SWITCH to indicate context
 switches") commit, that introduces these metadata events for further info.
diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index a42fab308ff6..6fd879440c40 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -258,8 +258,7 @@ gets schedule to. Per task counters can be created by any user, for
 their own tasks.
 
 A 'pid == -1' and 'cpu == x' counter is a per CPU counter that counts
-all events on CPU-x. Per CPU counters need CAP_PERFMON or CAP_SYS_ADMIN
-privilege.
+all events on CPU-x. Per CPU counters need CAP_PERFMON privilege.
 
 The 'flags' parameter is currently unused and must be zero.
 
-- 
2.24.1