From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 11/44] tools lib traceevent: Handle trace_printk() "%px" Date: Tue, 2 Apr 2019 13:05:16 -0300 Message-ID: <20190402160549.13544-12-acme@kernel.org> References: <20190402160549.13544-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190402160549.13544-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, "Steven Rostedt (VMware)" , Andrew Morton , Jiri Olsa , Tzvetomir Stoyanov , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: "Steven Rostedt (VMware)" With security updates, %p in the kernel is hashed to protect true kernel locations. But trace_printk() is not allowed in production systems, and when a pointer is used, there are many times that the actual address is needed. "%px" produces the real address. But libtraceevent does not know how to handle that extension. Add it. Signed-off-by: Steven Rostedt (VMware) Cc: Andrew Morton Cc: Jiri Olsa Cc: Namhyung Kim Cc: Tzvetomir Stoyanov Link: http://lkml.kernel.org/r/20190401164342.837312153@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/traceevent/event-parse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 87494c7c619d..2ebb257ce7ba 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4338,6 +4338,7 @@ static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, s case 'S': case 'f': case 'F': + case 'x': break; default: /* -- 2.20.1