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From: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
To: rostedt@goodmis.org, linux-kernel@vger.kernel.org, keescook@chromium.org
Cc: wangnan0@huawei.com, mingo@redhat.com, srikar@linux.vnet.ibm.com,
	oleg@redhat.com, mhiramat@kernel.org, namhyung@kernel.org,
	Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Subject: [PATCH v2 2/2] trace_uprobe: Simplify probes_seq_show()
Date: Thu, 15 Mar 2018 13:57:56 +0530	[thread overview]
Message-ID: <20180315082756.9050-2-ravi.bangoria@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180315082756.9050-1-ravi.bangoria@linux.vnet.ibm.com>

Simplify probes_seq_show() function. No change in output
before and after patch.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
---
 kernel/trace/trace_uprobe.c | 21 +++------------------
 1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 0298bd15be83..544fa10a471b 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -602,24 +602,9 @@ static int probes_seq_show(struct seq_file *m, void *v)
 	char c = is_ret_probe(tu) ? 'r' : 'p';
 	int i;
 
-	seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system,
-			trace_event_name(&tu->tp.call));
-	seq_printf(m, " %s:", tu->filename);
-
-	/* Don't print "0x  (null)" when offset is 0 */
-	if (tu->offset) {
-		seq_printf(m, "0x%0*lx", (int)(sizeof(void *) * 2), tu->offset);
-	} else {
-		switch (sizeof(void *)) {
-		case 4:
-			seq_printf(m, "0x00000000");
-			break;
-		case 8:
-		default:
-			seq_printf(m, "0x0000000000000000");
-			break;
-		}
-	}
+	seq_printf(m, "%c:%s/%s %s:0x%0*lx", c, tu->tp.call.class->system,
+			trace_event_name(&tu->tp.call), tu->filename,
+			(int)(sizeof(void *) * 2), tu->offset);
 
 	for (i = 0; i < tu->tp.nr_args; i++)
 		seq_printf(m, " %s=%s", tu->tp.args[i].name, tu->tp.args[i].comm);
-- 
2.13.6

  reply	other threads:[~2018-03-15  8:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-15  8:27 [PATCH v2 1/2] trace_uprobe: Use %lx to display offset Ravi Bangoria
2018-03-15  8:27 ` Ravi Bangoria [this message]
2018-03-15  9:31   ` [PATCH v2 2/2] trace_uprobe: Simplify probes_seq_show() Masami Hiramatsu
2018-03-15  9:29 ` [PATCH v2 1/2] trace_uprobe: Use %lx to display offset Masami Hiramatsu
2018-04-11  6:12 ` Ravi Bangoria
2018-04-11 12:43   ` Steven Rostedt

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