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Message-Id: <1310785241-3799-4-git-send-email-vnagarnaik@google.com>
Date: Fri, 15 Jul 2011 20:00:41 -0700
From: Vaibhav Nagarnaik <vnagarnaik@...gle.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Michael Rubin <mrubin@...gle.com>,
David Sharp <dhsharp@...gle.com>, linux-kernel@...r.kernel.org,
Vaibhav Nagarnaik <vnagarnaik@...gle.com>
Subject: [PATCH 4/4] trace-cmd: Support '+' opcode in print format
The '+' opcode is not supported in the arguments for the print format.
This patch adds support for it.
Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@...gle.com>
---
parse-events.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/parse-events.c b/parse-events.c
index 068c77f..2e39415 100644
--- a/parse-events.c
+++ b/parse-events.c
@@ -2033,6 +2033,18 @@ static int arg_num_eval(struct print_arg *arg, long long *val)
break;
*val = left - right;
break;
+ case '+':
+ if (arg->op.left->type == PRINT_NULL)
+ left = 0;
+ else
+ ret = arg_num_eval(arg->op.left, &left);
+ if (!ret)
+ break;
+ ret = arg_num_eval(arg->op.right, &right);
+ if (!ret)
+ break;
+ *val = left + right;
+ break;
default:
do_warning("unknown op '%s'", arg->op.op);
ret = 0;
--
1.7.3.1
--
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