linux-kernel - [tip:perf/core] perf python scripting: Append examples to err msg about audit-libs-python

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Message-ID: <tip-b416e204f88dd91d9e99f6deee3d57fbc90aee40@git.kernel.org>
Date:	Mon, 15 Feb 2016 23:52:50 -0800
From:	tip-bot for Taeung Song <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, mingo@...nel.org, jolsa@...nel.org,
	acme@...hat.com, treeze.taeung@...il.com, hpa@...or.com,
	linux-kernel@...r.kernel.org, namhyung@...nel.org
Subject: [tip:perf/core] perf python scripting:
  Append examples to err msg about audit-libs-python

Commit-ID:  b416e204f88dd91d9e99f6deee3d57fbc90aee40
Gitweb:     http://git.kernel.org/tip/b416e204f88dd91d9e99f6deee3d57fbc90aee40
Author:     Taeung Song <treeze.taeung@...il.com>
AuthorDate: Tue, 9 Feb 2016 20:53:10 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 12 Feb 2016 11:30:27 -0300

perf python scripting: Append examples to err msg about audit-libs-python

To print syscall names, the audit-libs-python package is required.. If
not installed, it prints this error string:

    # perf script syscall-counts
    Install the audit-libs-python package to get syscall names.

But the package name is different in Ubuntu, mention that in the error
message, similar to a error message of util/trace-event-scripting.c:

    # perf script syscall-counts
    Install the audit-libs-python package to get syscall names.
    For example:
      # apt-get install python-audit (Ubuntu)
      # yum install audit-libs-python (Fedora)
      etc.

Signed-off-by: Taeung Song <treeze.taeung@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/1455018790-13425-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
index 15c8400..1d95009 100644
--- a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
@@ -71,7 +71,10 @@ try:
 except:
 	if not audit_package_warned:
 		audit_package_warned = True
-		print "Install the audit-libs-python package to get syscall names"
+		print "Install the audit-libs-python package to get syscall names.\n" \
+                    "For example:\n  # apt-get install python-audit (Ubuntu)" \
+                    "\n  # yum install audit-libs-python (Fedora)" \
+                    "\n  etc.\n"
 
 def syscall_name(id):
 	try: