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authorVaibhav Nagarnaik <vnagarnaik@google.com>2012-04-06 00:48:03 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2012-04-25 13:35:38 +0200
commitb48285980de2070948c8ac73629c605ad9202589 (patch)
treec2414ffe485d927abca7b3b73b3acae332114857 /tools/lib
parenta2525a0852d81b1cf1155d75d1e3db9682fee191 (diff)
parse-events: Support '+' opcode in print format
The '+' opcode is not supported in the arguments for the print format. This patch adds support for it. Cc: Michael Rubin <mrubin@google.com> Cc: David Sharp <dhsharp@google.com> Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com> Link: http://lkml.kernel.org/r/1310785241-3799-4-git-send-email-vnagarnaik@google.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Arun Sharma <asharma@fb.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/traceevent/event-parse.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 4d5092f6716..476626af731 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2047,6 +2047,18 @@ 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;